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Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02001" Test various aspects of the Vim9 script language.
2
3source check.vim
Bram Moolenaarad304702020-09-06 18:22:53 +02004source term_util.vim
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02005source view_util.vim
Bram Moolenaar62aec932022-01-29 21:45:34 +00006import './vim9.vim' as v9
Bram Moolenaar47e7d702020-07-05 18:18:42 +02007source screendump.vim
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02008
9func Test_def_basic()
10 def SomeFunc(): string
11 return 'yes'
12 enddef
Bram Moolenaarc0c71e92020-09-11 19:09:48 +020013 call SomeFunc()->assert_equal('yes')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +020014endfunc
15
Bram Moolenaar2b9b17e2020-10-13 18:38:11 +020016func Test_compiling_error()
17 " use a terminal to see the whole error message
Bram Moolenaarf4e8cdd2020-10-12 22:07:13 +020018 CheckRunVimInTerminal
19
Bram Moolenaar2b9b17e2020-10-13 18:38:11 +020020 call TestCompilingError()
Bram Moolenaare8c46602021-04-05 22:27:37 +020021 call TestCompilingErrorInTry()
Bram Moolenaar2b9b17e2020-10-13 18:38:11 +020022endfunc
23
24def TestCompilingError()
Bram Moolenaarf4e8cdd2020-10-12 22:07:13 +020025 var lines =<< trim END
26 vim9script
27 def Fails()
28 echo nothing
29 enddef
30 defcompile
31 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +010032 writefile(lines, 'XTest_compile_error', 'D')
Bram Moolenaar62aec932022-01-29 21:45:34 +000033 var buf = g:RunVimInTerminal('-S XTest_compile_error',
Bram Moolenaare0de1712020-12-02 17:36:54 +010034 {rows: 10, wait_for_ruler: 0})
Bram Moolenaar62aec932022-01-29 21:45:34 +000035 g:WaitForAssert(() => assert_match('Error detected while compiling command line.*Fails.*Variable not found: nothing',
36 g:Term_getlines(buf, range(1, 9))))
Bram Moolenaarf4e8cdd2020-10-12 22:07:13 +020037
38 # clean up
Bram Moolenaar62aec932022-01-29 21:45:34 +000039 g:StopVimInTerminal(buf)
Bram Moolenaare8c46602021-04-05 22:27:37 +020040enddef
41
42def TestCompilingErrorInTry()
Bram Moolenaar3b0d70f2022-08-29 22:31:20 +010043 var dir = 'Xcompdir/autoload'
Bram Moolenaarf5fec052022-09-11 11:49:22 +010044 mkdir(dir, 'pR')
Bram Moolenaare8c46602021-04-05 22:27:37 +020045
46 var lines =<< trim END
47 vim9script
Bram Moolenaard8fe6d32022-01-30 18:40:44 +000048 export def OnlyCompiled()
Bram Moolenaare8c46602021-04-05 22:27:37 +020049 g:runtime = 'yes'
50 invalid
51 enddef
52 END
53 writefile(lines, dir .. '/script.vim')
54
55 lines =<< trim END
56 vim9script
57 todo
58 try
59 script#OnlyCompiled()
60 catch /nothing/
61 endtry
62 END
Bram Moolenaar3b0d70f2022-08-29 22:31:20 +010063 lines[1] = 'set rtp=' .. getcwd() .. '/Xcompdir'
Bram Moolenaarf5fec052022-09-11 11:49:22 +010064 writefile(lines, 'XTest_compile_error', 'D')
Bram Moolenaare8c46602021-04-05 22:27:37 +020065
Bram Moolenaar62aec932022-01-29 21:45:34 +000066 var buf = g:RunVimInTerminal('-S XTest_compile_error', {rows: 10, wait_for_ruler: 0})
67 g:WaitForAssert(() => assert_match('Error detected while compiling command line.*function script#OnlyCompiled.*Invalid command: invalid',
68 g:Term_getlines(buf, range(1, 9))))
Bram Moolenaare8c46602021-04-05 22:27:37 +020069
70 # clean up
Bram Moolenaar62aec932022-01-29 21:45:34 +000071 g:StopVimInTerminal(buf)
Bram Moolenaarf4e8cdd2020-10-12 22:07:13 +020072enddef
73
Bram Moolenaarad6d9cc2022-08-08 21:43:11 +010074def Test_comment_error()
75 v9.CheckDefFailure(['#{ comment'], 'E1170:')
76enddef
77
Bram Moolenaarb55d6182021-06-08 22:01:53 +020078def Test_compile_error_in_called_function()
79 var lines =<< trim END
80 vim9script
81 var n: number
82 def Foo()
83 &hls = n
84 enddef
85 def Bar()
86 Foo()
87 enddef
88 silent! Foo()
89 Bar()
90 END
Bram Moolenaar62aec932022-01-29 21:45:34 +000091 v9.CheckScriptFailureList(lines, ['E1012:', 'E1191:'])
Bram Moolenaarb55d6182021-06-08 22:01:53 +020092enddef
93
Bram Moolenaar22f17a22021-06-21 20:48:58 +020094def Test_wrong_function_name()
95 var lines =<< trim END
96 vim9script
97 func _Foo()
98 echo 'foo'
99 endfunc
100 END
Bram Moolenaar3787f262022-02-07 21:54:01 +0000101 v9.CheckScriptFailure(lines, 'E1267:')
Bram Moolenaar22f17a22021-06-21 20:48:58 +0200102
103 lines =<< trim END
104 vim9script
105 def _Foo()
106 echo 'foo'
107 enddef
108 END
Bram Moolenaar3787f262022-02-07 21:54:01 +0000109 v9.CheckScriptFailure(lines, 'E1267:')
Bram Moolenaardea5ab02022-02-23 22:12:02 +0000110
111 lines =<< trim END
112 vim9script
113 var Object = {}
114 function Object.Method()
115 endfunction
116 END
117 v9.CheckScriptFailure(lines, 'E1182:')
118
119 lines =<< trim END
120 vim9script
121 var Object = {}
122 def Object.Method()
123 enddef
124 END
125 v9.CheckScriptFailure(lines, 'E1182:')
126
127 lines =<< trim END
128 vim9script
129 g:Object = {}
130 function g:Object.Method()
131 endfunction
132 END
133 v9.CheckScriptFailure(lines, 'E1182:')
134
135 lines =<< trim END
136 let s:Object = {}
137 def Define()
138 function s:Object.Method()
139 endfunction
140 enddef
141 defcompile
142 END
143 v9.CheckScriptFailure(lines, 'E1182:')
144 delfunc g:Define
145
146 lines =<< trim END
147 let s:Object = {}
148 def Define()
149 def Object.Method()
150 enddef
151 enddef
152 defcompile
153 END
154 v9.CheckScriptFailure(lines, 'E1182:')
155 delfunc g:Define
156
157 lines =<< trim END
158 let g:Object = {}
159 def Define()
160 function g:Object.Method()
161 endfunction
162 enddef
163 defcompile
164 END
165 v9.CheckScriptFailure(lines, 'E1182:')
166 delfunc g:Define
Bram Moolenaar22f17a22021-06-21 20:48:58 +0200167enddef
168
Bram Moolenaarf48b2fa2021-04-12 22:02:36 +0200169def Test_autoload_name_mismatch()
Bram Moolenaar3b0d70f2022-08-29 22:31:20 +0100170 var dir = 'Xnamedir/autoload'
Bram Moolenaarf5fec052022-09-11 11:49:22 +0100171 mkdir(dir, 'pR')
Bram Moolenaarf48b2fa2021-04-12 22:02:36 +0200172
173 var lines =<< trim END
174 vim9script
Bram Moolenaard8fe6d32022-01-30 18:40:44 +0000175 export def NoFunction()
Bram Moolenaarf48b2fa2021-04-12 22:02:36 +0200176 # comment
177 g:runtime = 'yes'
178 enddef
179 END
180 writefile(lines, dir .. '/script.vim')
181
182 var save_rtp = &rtp
Bram Moolenaar3b0d70f2022-08-29 22:31:20 +0100183 exe 'set rtp=' .. getcwd() .. '/Xnamedir'
Bram Moolenaarf48b2fa2021-04-12 22:02:36 +0200184 lines =<< trim END
185 call script#Function()
186 END
Bram Moolenaard8fe6d32022-01-30 18:40:44 +0000187 v9.CheckScriptFailure(lines, 'E117:', 1)
Bram Moolenaarf48b2fa2021-04-12 22:02:36 +0200188
189 &rtp = save_rtp
Bram Moolenaarf48b2fa2021-04-12 22:02:36 +0200190enddef
191
Bram Moolenaarf0a40692021-06-11 22:05:47 +0200192def Test_autoload_names()
Bram Moolenaar3b0d70f2022-08-29 22:31:20 +0100193 var dir = 'Xandir/autoload'
Bram Moolenaarf5fec052022-09-11 11:49:22 +0100194 mkdir(dir, 'pR')
Bram Moolenaarf0a40692021-06-11 22:05:47 +0200195
196 var lines =<< trim END
197 func foobar#function()
198 return 'yes'
199 endfunc
200 let foobar#var = 'no'
201 END
202 writefile(lines, dir .. '/foobar.vim')
203
204 var save_rtp = &rtp
Bram Moolenaar3b0d70f2022-08-29 22:31:20 +0100205 exe 'set rtp=' .. getcwd() .. '/Xandir'
Bram Moolenaarf0a40692021-06-11 22:05:47 +0200206
207 lines =<< trim END
208 assert_equal('yes', foobar#function())
209 var Function = foobar#function
210 assert_equal('yes', Function())
211
212 assert_equal('no', foobar#var)
213 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000214 v9.CheckDefAndScriptSuccess(lines)
Bram Moolenaarf0a40692021-06-11 22:05:47 +0200215
216 &rtp = save_rtp
Bram Moolenaarf0a40692021-06-11 22:05:47 +0200217enddef
218
Bram Moolenaar88c89c72021-08-14 14:01:05 +0200219def Test_autoload_error_in_script()
Bram Moolenaar3b0d70f2022-08-29 22:31:20 +0100220 var dir = 'Xaedir/autoload'
Bram Moolenaarf5fec052022-09-11 11:49:22 +0100221 mkdir(dir, 'pR')
Bram Moolenaar88c89c72021-08-14 14:01:05 +0200222
223 var lines =<< trim END
224 func scripterror#function()
225 let g:called_function = 'yes'
226 endfunc
227 let 0 = 1
228 END
229 writefile(lines, dir .. '/scripterror.vim')
230
231 var save_rtp = &rtp
Bram Moolenaar3b0d70f2022-08-29 22:31:20 +0100232 exe 'set rtp=' .. getcwd() .. '/Xaedir'
Bram Moolenaar88c89c72021-08-14 14:01:05 +0200233
234 g:called_function = 'no'
235 # The error in the autoload script cannot be checked with assert_fails(), use
236 # CheckDefSuccess() instead of CheckDefFailure()
237 try
Bram Moolenaar62aec932022-01-29 21:45:34 +0000238 v9.CheckDefSuccess(['scripterror#function()'])
Bram Moolenaar88c89c72021-08-14 14:01:05 +0200239 catch
240 assert_match('E121: Undefined variable: 0', v:exception)
241 endtry
242 assert_equal('no', g:called_function)
243
244 lines =<< trim END
245 func scriptcaught#function()
246 let g:called_function = 'yes'
247 endfunc
248 try
249 let 0 = 1
250 catch
251 let g:caught = v:exception
252 endtry
253 END
254 writefile(lines, dir .. '/scriptcaught.vim')
255
256 g:called_function = 'no'
Bram Moolenaar62aec932022-01-29 21:45:34 +0000257 v9.CheckDefSuccess(['scriptcaught#function()'])
Bram Moolenaar88c89c72021-08-14 14:01:05 +0200258 assert_match('E121: Undefined variable: 0', g:caught)
259 assert_equal('yes', g:called_function)
260
261 &rtp = save_rtp
Bram Moolenaar88c89c72021-08-14 14:01:05 +0200262enddef
263
Bram Moolenaar62aec932022-01-29 21:45:34 +0000264def s:CallRecursive(n: number): number
Bram Moolenaar0ba48e82020-11-17 18:23:19 +0100265 return CallRecursive(n + 1)
266enddef
267
Bram Moolenaar62aec932022-01-29 21:45:34 +0000268def s:CallMapRecursive(l: list<number>): number
Bram Moolenaar2949cfd2020-12-31 21:28:47 +0100269 return map(l, (_, v) => CallMapRecursive([v]))[0]
Bram Moolenaar0ba48e82020-11-17 18:23:19 +0100270enddef
271
272def Test_funcdepth_error()
273 set maxfuncdepth=10
274
275 var caught = false
276 try
277 CallRecursive(1)
278 catch /E132:/
279 caught = true
280 endtry
281 assert_true(caught)
282
283 caught = false
284 try
285 CallMapRecursive([1])
286 catch /E132:/
287 caught = true
288 endtry
289 assert_true(caught)
290
291 set maxfuncdepth&
292enddef
293
Bram Moolenaar5178b1b2021-01-01 18:43:51 +0100294def Test_endfunc_enddef()
295 var lines =<< trim END
296 def Test()
297 echo 'test'
298 endfunc
299 enddef
300 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000301 v9.CheckScriptFailure(lines, 'E1151:', 3)
Bram Moolenaar5178b1b2021-01-01 18:43:51 +0100302
303 lines =<< trim END
304 def Test()
305 func Nested()
306 echo 'test'
307 enddef
308 enddef
309 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000310 v9.CheckScriptFailure(lines, 'E1152:', 4)
Bram Moolenaar49f1e9e2021-03-22 20:49:02 +0100311
312 lines =<< trim END
313 def Ok()
314 echo 'hello'
315 enddef | echo 'there'
316 def Bad()
317 echo 'hello'
318 enddef there
319 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000320 v9.CheckScriptFailure(lines, 'E1173: Text found after enddef: there', 6)
Bram Moolenaar5178b1b2021-01-01 18:43:51 +0100321enddef
322
Bram Moolenaarb8ba9b92021-01-01 18:54:34 +0100323def Test_missing_endfunc_enddef()
324 var lines =<< trim END
325 vim9script
326 def Test()
327 echo 'test'
328 endef
329 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000330 v9.CheckScriptFailure(lines, 'E1057:', 2)
Bram Moolenaarb8ba9b92021-01-01 18:54:34 +0100331
332 lines =<< trim END
333 vim9script
334 func Some()
335 echo 'test'
336 enfffunc
337 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000338 v9.CheckScriptFailure(lines, 'E126:', 2)
Bram Moolenaarb8ba9b92021-01-01 18:54:34 +0100339enddef
340
Bram Moolenaar4efd9942021-01-24 21:14:20 +0100341def Test_white_space_before_paren()
342 var lines =<< trim END
343 vim9script
344 def Test ()
345 echo 'test'
346 enddef
347 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000348 v9.CheckScriptFailure(lines, 'E1068:', 2)
Bram Moolenaar4efd9942021-01-24 21:14:20 +0100349
350 lines =<< trim END
351 vim9script
352 func Test ()
353 echo 'test'
354 endfunc
355 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000356 v9.CheckScriptFailure(lines, 'E1068:', 2)
Bram Moolenaar4efd9942021-01-24 21:14:20 +0100357
358 lines =<< trim END
359 def Test ()
360 echo 'test'
361 enddef
362 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000363 v9.CheckScriptFailure(lines, 'E1068:', 1)
Bram Moolenaar4efd9942021-01-24 21:14:20 +0100364
365 lines =<< trim END
366 func Test ()
367 echo 'test'
368 endfunc
369 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000370 v9.CheckScriptSuccess(lines)
Bram Moolenaar4efd9942021-01-24 21:14:20 +0100371enddef
372
Bram Moolenaar832ea892021-01-08 21:55:26 +0100373def Test_enddef_dict_key()
374 var d = {
375 enddef: 'x',
376 endfunc: 'y',
377 }
378 assert_equal({enddef: 'x', endfunc: 'y'}, d)
379enddef
380
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200381def ReturnString(): string
382 return 'string'
383enddef
384
385def ReturnNumber(): number
386 return 123
387enddef
388
389let g:notNumber = 'string'
390
391def ReturnGlobal(): number
392 return g:notNumber
393enddef
394
395def Test_return_something()
Bram Moolenaar62aec932022-01-29 21:45:34 +0000396 g:ReturnString()->assert_equal('string')
397 g:ReturnNumber()->assert_equal(123)
Bram Moolenaar848fadd2022-01-30 15:28:30 +0000398 assert_fails('g:ReturnGlobal()', 'E1012: Type mismatch; expected number but got string', '', 1, 'ReturnGlobal')
Bram Moolenaaref7aadb2022-01-18 18:46:07 +0000399
400 var lines =<< trim END
401 vim9script
402
403 def Msg()
404 echomsg 'in Msg()...'
405 enddef
406
407 def Func()
408 return Msg()
409 enddef
410 defcompile
411 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000412 v9.CheckScriptFailure(lines, 'E1096:')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200413enddef
414
Bram Moolenaare32e5162021-01-21 20:21:29 +0100415def Test_check_argument_type()
416 var lines =<< trim END
417 vim9script
418 def Val(a: number, b: number): number
419 return 0
420 enddef
421 def Func()
422 var x: any = true
423 Val(0, x)
424 enddef
425 disass Func
426 Func()
427 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000428 v9.CheckScriptFailure(lines, 'E1013: Argument 2: type mismatch, expected number but got bool', 2)
Bram Moolenaare32e5162021-01-21 20:21:29 +0100429enddef
430
Bram Moolenaarefd88552020-06-18 20:50:10 +0200431def Test_missing_return()
Bram Moolenaar62aec932022-01-29 21:45:34 +0000432 v9.CheckDefFailure(['def Missing(): number',
Bram Moolenaarefd88552020-06-18 20:50:10 +0200433 ' if g:cond',
434 ' echo "no return"',
435 ' else',
436 ' return 0',
Bram Moolenaar2984ed32022-08-20 14:51:17 +0100437 ' endif',
Bram Moolenaarefd88552020-06-18 20:50:10 +0200438 'enddef'], 'E1027:')
Bram Moolenaar62aec932022-01-29 21:45:34 +0000439 v9.CheckDefFailure(['def Missing(): number',
Bram Moolenaarefd88552020-06-18 20:50:10 +0200440 ' if g:cond',
441 ' return 1',
442 ' else',
443 ' echo "no return"',
Bram Moolenaar2984ed32022-08-20 14:51:17 +0100444 ' endif',
Bram Moolenaarefd88552020-06-18 20:50:10 +0200445 'enddef'], 'E1027:')
Bram Moolenaar62aec932022-01-29 21:45:34 +0000446 v9.CheckDefFailure(['def Missing(): number',
Bram Moolenaarefd88552020-06-18 20:50:10 +0200447 ' if g:cond',
448 ' return 1',
449 ' else',
450 ' return 2',
Bram Moolenaar2984ed32022-08-20 14:51:17 +0100451 ' endif',
452 ' return 3',
Bram Moolenaarefd88552020-06-18 20:50:10 +0200453 'enddef'], 'E1095:')
454enddef
455
Bram Moolenaar403dc312020-10-17 19:29:51 +0200456def Test_return_bool()
457 var lines =<< trim END
458 vim9script
459 def MenuFilter(id: number, key: string): bool
460 return popup_filter_menu(id, key)
461 enddef
462 def YesnoFilter(id: number, key: string): bool
463 return popup_filter_yesno(id, key)
464 enddef
465 defcompile
466 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000467 v9.CheckScriptSuccess(lines)
Bram Moolenaar403dc312020-10-17 19:29:51 +0200468enddef
469
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200470let s:nothing = 0
471def ReturnNothing()
472 s:nothing = 1
473 if true
474 return
475 endif
476 s:nothing = 2
477enddef
478
479def Test_return_nothing()
Bram Moolenaar62aec932022-01-29 21:45:34 +0000480 g:ReturnNothing()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +0200481 s:nothing->assert_equal(1)
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200482enddef
483
Bram Moolenaar648ea762021-01-15 19:04:32 +0100484def Test_return_invalid()
485 var lines =<< trim END
486 vim9script
487 def Func(): invalid
488 return xxx
489 enddef
490 defcompile
491 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000492 v9.CheckScriptFailure(lines, 'E1010:', 2)
Bram Moolenaar31842cd2021-02-12 22:10:21 +0100493
494 lines =<< trim END
495 vim9script
496 def Test(Fun: func(number): number): list<number>
497 return map([1, 2, 3], (_, i) => Fun(i))
498 enddef
499 defcompile
500 def Inc(nr: number): nr
501 return nr + 2
502 enddef
503 echo Test(Inc)
504 END
505 # doing this twice was leaking memory
Bram Moolenaar62aec932022-01-29 21:45:34 +0000506 v9.CheckScriptFailure(lines, 'E1010:')
507 v9.CheckScriptFailure(lines, 'E1010:')
Bram Moolenaar648ea762021-01-15 19:04:32 +0100508enddef
509
Bram Moolenaarefc084e2021-09-09 22:30:52 +0200510def Test_return_list_any()
Bram Moolenaar114dbda2022-01-03 12:28:03 +0000511 # This used to fail but now the actual list type is checked, and since it has
512 # an item of type string it can be used as list<string>.
Bram Moolenaarefc084e2021-09-09 22:30:52 +0200513 var lines =<< trim END
514 vim9script
515 def Func(): list<string>
516 var l: list<any>
517 l->add('string')
518 return l
519 enddef
520 echo Func()
521 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000522 v9.CheckScriptSuccess(lines)
Bram Moolenaar114dbda2022-01-03 12:28:03 +0000523
Bram Moolenaarefc084e2021-09-09 22:30:52 +0200524 lines =<< trim END
525 vim9script
526 def Func(): list<string>
527 var l: list<any>
528 l += ['string']
529 return l
530 enddef
531 echo Func()
532 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000533 v9.CheckScriptSuccess(lines)
Bram Moolenaarefc084e2021-09-09 22:30:52 +0200534enddef
535
Bram Moolenaar1a572e92022-03-15 12:28:10 +0000536def Test_return_any_two_types()
537 var lines =<< trim END
538 vim9script
539
540 def G(Fn: func(string): any)
541 g:result = Fn("hello")
542 enddef
543
544 def F(a: number, b: string): any
545 echo b
546 if a > 0
547 return 1
548 else
549 return []
550 endif
551 enddef
552
553 G(function(F, [1]))
554 END
555 v9.CheckScriptSuccess(lines)
556 assert_equal(1, g:result)
557 unlet g:result
558enddef
559
Bram Moolenaar62aec932022-01-29 21:45:34 +0000560func s:Increment()
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200561 let g:counter += 1
562endfunc
563
564def Test_call_ufunc_count()
565 g:counter = 1
566 Increment()
567 Increment()
568 Increment()
Bram Moolenaarf5be8cd2020-07-17 20:36:00 +0200569 # works with and without :call
Bram Moolenaarc0c71e92020-09-11 19:09:48 +0200570 g:counter->assert_equal(4)
571 eval g:counter->assert_equal(4)
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200572 unlet g:counter
573enddef
574
Bram Moolenaar1983f1a2022-02-28 20:55:02 +0000575def Test_call_ufunc_failure()
576 var lines =<< trim END
577 vim9script
578 def Tryit()
579 g:Global(1, 2, 3)
580 enddef
581
582 func g:Global(a, b, c)
583 echo a:a a:b a:c
584 endfunc
585
586 defcompile
587
588 func! g:Global(a, b)
589 echo a:a a:b
590 endfunc
591 Tryit()
592 END
593 v9.CheckScriptFailure(lines, 'E118: Too many arguments for function: Global')
594 delfunc g:Global
595
596 lines =<< trim END
597 vim9script
598
599 g:Ref = function('len')
600 def Tryit()
601 g:Ref('x')
602 enddef
603
604 defcompile
605
606 g:Ref = function('add')
607 Tryit()
608 END
609 v9.CheckScriptFailure(lines, 'E119: Not enough arguments for function: add')
610 unlet g:Ref
611enddef
612
Bram Moolenaar62aec932022-01-29 21:45:34 +0000613def s:MyVarargs(arg: string, ...rest: list<string>): string
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +0200614 var res = arg
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200615 for s in rest
616 res ..= ',' .. s
617 endfor
618 return res
619enddef
620
621def Test_call_varargs()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +0200622 MyVarargs('one')->assert_equal('one')
623 MyVarargs('one', 'two')->assert_equal('one,two')
624 MyVarargs('one', 'two', 'three')->assert_equal('one,two,three')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200625enddef
626
Bram Moolenaar01dd6c32021-09-05 16:36:23 +0200627def Test_call_white_space()
Bram Moolenaar62aec932022-01-29 21:45:34 +0000628 v9.CheckDefAndScriptFailure(["call Test ('text')"], ['E476:', 'E1068:'])
Bram Moolenaar01dd6c32021-09-05 16:36:23 +0200629enddef
630
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200631def MyDefaultArgs(name = 'string'): string
632 return name
633enddef
634
Bram Moolenaar62aec932022-01-29 21:45:34 +0000635def s:MyDefaultSecond(name: string, second: bool = true): string
Bram Moolenaare30f64b2020-07-15 19:48:20 +0200636 return second ? name : 'none'
637enddef
638
Bram Moolenaar38a3bfa2021-03-29 22:14:55 +0200639
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200640def Test_call_default_args()
Bram Moolenaar62aec932022-01-29 21:45:34 +0000641 g:MyDefaultArgs()->assert_equal('string')
642 g:MyDefaultArgs(v:none)->assert_equal('string')
643 g:MyDefaultArgs('one')->assert_equal('one')
644 assert_fails('g:MyDefaultArgs("one", "two")', 'E118:', '', 4, 'Test_call_default_args')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200645
Bram Moolenaarc0c71e92020-09-11 19:09:48 +0200646 MyDefaultSecond('test')->assert_equal('test')
647 MyDefaultSecond('test', true)->assert_equal('test')
648 MyDefaultSecond('test', false)->assert_equal('none')
Bram Moolenaare30f64b2020-07-15 19:48:20 +0200649
Bram Moolenaar38a3bfa2021-03-29 22:14:55 +0200650 var lines =<< trim END
651 def MyDefaultThird(name: string, aa = 'aa', bb = 'bb'): string
652 return name .. aa .. bb
653 enddef
654
655 MyDefaultThird('->')->assert_equal('->aabb')
656 MyDefaultThird('->', v:none)->assert_equal('->aabb')
657 MyDefaultThird('->', 'xx')->assert_equal('->xxbb')
658 MyDefaultThird('->', v:none, v:none)->assert_equal('->aabb')
659 MyDefaultThird('->', 'xx', v:none)->assert_equal('->xxbb')
660 MyDefaultThird('->', v:none, 'yy')->assert_equal('->aayy')
661 MyDefaultThird('->', 'xx', 'yy')->assert_equal('->xxyy')
Bram Moolenaare28d9b32021-07-03 18:56:53 +0200662
663 def DefArg(mandatory: any, optional = mandatory): string
664 return mandatory .. optional
665 enddef
666 DefArg(1234)->assert_equal('12341234')
667 DefArg("ok")->assert_equal('okok')
Bram Moolenaar38a3bfa2021-03-29 22:14:55 +0200668 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000669 v9.CheckDefAndScriptSuccess(lines)
Bram Moolenaar38a3bfa2021-03-29 22:14:55 +0200670
Bram Moolenaar62aec932022-01-29 21:45:34 +0000671 v9.CheckScriptFailure(['def Func(arg: number = asdf)', 'enddef', 'defcompile'], 'E1001:')
Bram Moolenaar2d870f82020-12-05 13:41:01 +0100672 delfunc g:Func
Bram Moolenaar62aec932022-01-29 21:45:34 +0000673 v9.CheckScriptFailure(['def Func(arg: number = "text")', 'enddef', 'defcompile'], 'E1013: Argument 1: type mismatch, expected number but got string')
Bram Moolenaar2d870f82020-12-05 13:41:01 +0100674 delfunc g:Func
Bram Moolenaar62aec932022-01-29 21:45:34 +0000675 v9.CheckDefFailure(['def Func(x: number = )', 'enddef'], 'E15:')
Bram Moolenaar12bce952021-03-11 20:04:04 +0100676
Bram Moolenaar38a3bfa2021-03-29 22:14:55 +0200677 lines =<< trim END
Bram Moolenaar12bce952021-03-11 20:04:04 +0100678 vim9script
679 def Func(a = b == 0 ? 1 : 2, b = 0)
680 enddef
681 defcompile
682 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000683 v9.CheckScriptFailure(lines, 'E1001: Variable not found: b')
Bram Moolenaar59618fe2021-12-21 12:32:17 +0000684
Bram Moolenaarfa46ead2021-12-22 13:18:39 +0000685 # using script variable requires matching type or type cast when executed
Bram Moolenaar59618fe2021-12-21 12:32:17 +0000686 lines =<< trim END
687 vim9script
688 var a: any
689 def Func(arg: string = a)
690 echo arg
691 enddef
692 defcompile
693 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000694 v9.CheckScriptSuccess(lines + ['a = "text"', 'Func()'])
695 v9.CheckScriptFailure(lines + ['a = 123', 'Func()'], 'E1013: Argument 1: type mismatch, expected string but got number')
Bram Moolenaar59618fe2021-12-21 12:32:17 +0000696
697 # using global variable does not require type cast
698 lines =<< trim END
699 vim9script
700 def Func(arg: string = g:str)
701 echo arg
702 enddef
703 g:str = 'works'
704 Func()
705 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000706 v9.CheckScriptSuccess(lines)
Bram Moolenaar04b12692020-05-04 23:24:44 +0200707enddef
708
Bram Moolenaar62aec932022-01-29 21:45:34 +0000709def s:FuncWithComment( # comment
Bram Moolenaarcef12702021-01-04 14:09:43 +0100710 a: number, #comment
711 b: bool, # comment
712 c: string) #comment
713 assert_equal(4, a)
714 assert_equal(true, b)
715 assert_equal('yes', c)
716enddef
717
718def Test_func_with_comments()
719 FuncWithComment(4, true, 'yes')
720
721 var lines =<< trim END
722 def Func(# comment
723 arg: string)
724 enddef
725 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000726 v9.CheckScriptFailure(lines, 'E125:', 1)
Bram Moolenaarcef12702021-01-04 14:09:43 +0100727
728 lines =<< trim END
729 def Func(
730 arg: string# comment
731 )
732 enddef
733 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000734 v9.CheckScriptFailure(lines, 'E475:', 2)
Bram Moolenaarcef12702021-01-04 14:09:43 +0100735
736 lines =<< trim END
737 def Func(
738 arg: string
739 )# comment
740 enddef
741 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000742 v9.CheckScriptFailure(lines, 'E488:', 3)
Bram Moolenaarcef12702021-01-04 14:09:43 +0100743enddef
744
Bram Moolenaar04b12692020-05-04 23:24:44 +0200745def Test_nested_function()
Bram Moolenaar38453522021-11-28 22:00:12 +0000746 def NestedDef(arg: string): string
Bram Moolenaar04b12692020-05-04 23:24:44 +0200747 return 'nested ' .. arg
748 enddef
Bram Moolenaar38453522021-11-28 22:00:12 +0000749 NestedDef(':def')->assert_equal('nested :def')
750
751 func NestedFunc(arg)
752 return 'nested ' .. a:arg
753 endfunc
754 NestedFunc(':func')->assert_equal('nested :func')
Bram Moolenaar04b12692020-05-04 23:24:44 +0200755
Bram Moolenaar62aec932022-01-29 21:45:34 +0000756 v9.CheckDefFailure(['def Nested()', 'enddef', 'Nested(66)'], 'E118:')
757 v9.CheckDefFailure(['def Nested(arg: string)', 'enddef', 'Nested()'], 'E119:')
Bram Moolenaar0e65d3d2020-05-05 17:53:16 +0200758
Bram Moolenaar62aec932022-01-29 21:45:34 +0000759 v9.CheckDefFailure(['def s:Nested()', 'enddef'], 'E1075:')
760 v9.CheckDefFailure(['def b:Nested()', 'enddef'], 'E1075:')
Bram Moolenaar8b848ca2020-09-10 22:28:01 +0200761
Bram Moolenaar54021752020-12-06 18:50:36 +0100762 var lines =<< trim END
763 def Outer()
764 def Inner()
765 # comment
766 enddef
767 def Inner()
768 enddef
769 enddef
770 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000771 v9.CheckDefFailure(lines, 'E1073:')
Bram Moolenaar54021752020-12-06 18:50:36 +0100772
773 lines =<< trim END
774 def Outer()
775 def Inner()
776 # comment
777 enddef
778 def! Inner()
779 enddef
780 enddef
781 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000782 v9.CheckDefFailure(lines, 'E1117:')
Bram Moolenaar54021752020-12-06 18:50:36 +0100783
Bram Moolenaardb8e5c22021-12-25 19:58:22 +0000784 lines =<< trim END
785 vim9script
786 def Outer()
787 def Inner()
788 g:result = 'ok'
789 enddef
790 Inner()
791 enddef
792 Outer()
793 Inner()
794 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000795 v9.CheckScriptFailure(lines, 'E117: Unknown function: Inner')
Bram Moolenaardb8e5c22021-12-25 19:58:22 +0000796 assert_equal('ok', g:result)
797 unlet g:result
798
Bram Moolenaarf681cfb2022-02-07 20:30:57 +0000799 lines =<< trim END
800 vim9script
801 def Outer()
802 def _Inner()
803 echo 'bad'
804 enddef
Bram Moolenaar3787f262022-02-07 21:54:01 +0000805 _Inner()
Bram Moolenaarf681cfb2022-02-07 20:30:57 +0000806 enddef
807 defcompile
808 END
Bram Moolenaar3787f262022-02-07 21:54:01 +0000809 v9.CheckScriptFailure(lines, 'E1267:')
Bram Moolenaarf681cfb2022-02-07 20:30:57 +0000810
811 lines =<< trim END
812 vim9script
813 def Outer()
814 def g:inner()
815 echo 'bad'
816 enddef
Bram Moolenaar3787f262022-02-07 21:54:01 +0000817 g:inner()
Bram Moolenaarf681cfb2022-02-07 20:30:57 +0000818 enddef
819 defcompile
820 END
Bram Moolenaar3787f262022-02-07 21:54:01 +0000821 v9.CheckScriptFailure(lines, 'E1267:')
822
823 lines =<< trim END
824 vim9script
825 def g:_Func()
826 echo 'bad'
827 enddef
828 END
829 v9.CheckScriptFailure(lines, 'E1267:')
830
831 lines =<< trim END
832 vim9script
Bram Moolenaara749a422022-02-12 19:52:25 +0000833 def _Func()
Bram Moolenaar3787f262022-02-07 21:54:01 +0000834 echo 'bad'
835 enddef
836 END
837 v9.CheckScriptFailure(lines, 'E1267:')
Bram Moolenaarf681cfb2022-02-07 20:30:57 +0000838
Bram Moolenaar54021752020-12-06 18:50:36 +0100839 # nested function inside conditional
Bram Moolenaar54021752020-12-06 18:50:36 +0100840 lines =<< trim END
841 vim9script
842 var thecount = 0
843 if true
844 def Test(): number
845 def TheFunc(): number
846 thecount += 1
847 return thecount
848 enddef
849 return TheFunc()
850 enddef
851 endif
852 defcompile
853 assert_equal(1, Test())
854 assert_equal(2, Test())
855 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000856 v9.CheckScriptSuccess(lines)
Bram Moolenaar8863bda2021-03-17 18:42:08 +0100857
858 # also works when "thecount" is inside the "if" block
859 lines =<< trim END
860 vim9script
861 if true
862 var thecount = 0
863 def Test(): number
864 def TheFunc(): number
865 thecount += 1
866 return thecount
867 enddef
868 return TheFunc()
869 enddef
870 endif
871 defcompile
872 assert_equal(1, Test())
873 assert_equal(2, Test())
874 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000875 v9.CheckScriptSuccess(lines)
Bram Moolenaar4bba16d2021-08-15 19:28:05 +0200876
Bram Moolenaara915fa02022-03-23 11:29:15 +0000877 # nested function with recursive call
878 lines =<< trim END
879 vim9script
880
881 def MyFunc(): number
882 def Fib(n: number): number
883 if n < 2
884 return 1
885 endif
886 return Fib(n - 2) + Fib(n - 1)
887 enddef
888
889 return Fib(5)
890 enddef
891
892 assert_equal(8, MyFunc())
893 END
894 v9.CheckScriptSuccess(lines)
895
Bram Moolenaar4bba16d2021-08-15 19:28:05 +0200896 lines =<< trim END
897 vim9script
898 def Outer()
899 def Inner()
900 echo 'hello'
901 enddef burp
902 enddef
903 defcompile
904 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000905 v9.CheckScriptFailure(lines, 'E1173: Text found after enddef: burp', 3)
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +0200906enddef
907
Bram Moolenaar1889f492022-08-16 19:34:44 +0100908def Test_nested_function_fails()
909 var lines =<< trim END
910 def T()
911 def Func(g: string):string
912 enddef
913 Func()
914 enddef
915 silent! defcompile
916 END
917 v9.CheckScriptFailure(lines, 'E1069:')
918enddef
919
Bram Moolenaaradc8e442020-12-31 18:28:18 +0100920def Test_not_nested_function()
921 echo printf('%d',
922 function('len')('xxx'))
923enddef
924
Bram Moolenaaraf8edbb2020-08-01 00:03:09 +0200925func Test_call_default_args_from_func()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +0200926 call MyDefaultArgs()->assert_equal('string')
927 call MyDefaultArgs('one')->assert_equal('one')
Bram Moolenaar9bd5d872020-09-06 21:47:48 +0200928 call assert_fails('call MyDefaultArgs("one", "two")', 'E118:', '', 3, 'Test_call_default_args_from_func')
Bram Moolenaaraf8edbb2020-08-01 00:03:09 +0200929endfunc
930
Bram Moolenaar38ddf332020-07-31 22:05:04 +0200931def Test_nested_global_function()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +0200932 var lines =<< trim END
Bram Moolenaar38ddf332020-07-31 22:05:04 +0200933 vim9script
934 def Outer()
935 def g:Inner(): string
936 return 'inner'
937 enddef
938 enddef
Bram Moolenaaraf8edbb2020-08-01 00:03:09 +0200939 defcompile
940 Outer()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +0200941 g:Inner()->assert_equal('inner')
Bram Moolenaaraf8edbb2020-08-01 00:03:09 +0200942 delfunc g:Inner
943 Outer()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +0200944 g:Inner()->assert_equal('inner')
Bram Moolenaaraf8edbb2020-08-01 00:03:09 +0200945 delfunc g:Inner
946 Outer()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +0200947 g:Inner()->assert_equal('inner')
Bram Moolenaaraf8edbb2020-08-01 00:03:09 +0200948 delfunc g:Inner
Bram Moolenaar38ddf332020-07-31 22:05:04 +0200949 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000950 v9.CheckScriptSuccess(lines)
Bram Moolenaar2c79e9d2020-08-01 18:57:52 +0200951
952 lines =<< trim END
953 vim9script
954 def Outer()
Bram Moolenaar38453522021-11-28 22:00:12 +0000955 func g:Inner()
956 return 'inner'
957 endfunc
958 enddef
959 defcompile
960 Outer()
961 g:Inner()->assert_equal('inner')
962 delfunc g:Inner
963 Outer()
964 g:Inner()->assert_equal('inner')
965 delfunc g:Inner
966 Outer()
967 g:Inner()->assert_equal('inner')
968 delfunc g:Inner
969 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000970 v9.CheckScriptSuccess(lines)
Bram Moolenaar38453522021-11-28 22:00:12 +0000971
972 lines =<< trim END
973 vim9script
974 def Outer()
Bram Moolenaar2c79e9d2020-08-01 18:57:52 +0200975 def g:Inner(): string
976 return 'inner'
977 enddef
978 enddef
979 defcompile
980 Outer()
981 Outer()
982 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000983 v9.CheckScriptFailure(lines, "E122:")
Bram Moolenaarcd45ed02020-12-22 17:35:54 +0100984 delfunc g:Inner
Bram Moolenaarad486a02020-08-01 23:22:18 +0200985
986 lines =<< trim END
987 vim9script
Bram Moolenaar58a52f22020-12-22 18:56:55 +0100988 def Outer()
989 def g:Inner()
Bram Moolenaar2949cfd2020-12-31 21:28:47 +0100990 echo map([1, 2, 3], (_, v) => v + 1)
Bram Moolenaar58a52f22020-12-22 18:56:55 +0100991 enddef
992 g:Inner()
993 enddef
994 Outer()
995 END
Bram Moolenaar62aec932022-01-29 21:45:34 +0000996 v9.CheckScriptSuccess(lines)
Bram Moolenaar58a52f22020-12-22 18:56:55 +0100997 delfunc g:Inner
998
999 lines =<< trim END
1000 vim9script
Bram Moolenaarad486a02020-08-01 23:22:18 +02001001 def Func()
1002 echo 'script'
1003 enddef
1004 def Outer()
1005 def Func()
1006 echo 'inner'
1007 enddef
1008 enddef
1009 defcompile
1010 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001011 v9.CheckScriptFailure(lines, "E1073:", 1)
Bram Moolenaard604d782021-11-20 21:46:20 +00001012
1013 lines =<< trim END
1014 vim9script
1015 def Func()
1016 echo 'script'
1017 enddef
1018 def Func()
1019 echo 'script'
1020 enddef
1021 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001022 v9.CheckScriptFailure(lines, "E1073:", 5)
Bram Moolenaar38ddf332020-07-31 22:05:04 +02001023enddef
1024
Bram Moolenaar6abdcf82020-11-22 18:15:44 +01001025def DefListAll()
1026 def
1027enddef
1028
1029def DefListOne()
1030 def DefListOne
1031enddef
1032
1033def DefListMatches()
1034 def /DefList
1035enddef
1036
1037def Test_nested_def_list()
1038 var funcs = split(execute('call DefListAll()'), "\n")
1039 assert_true(len(funcs) > 10)
1040 assert_true(funcs->index('def DefListAll()') >= 0)
1041
1042 funcs = split(execute('call DefListOne()'), "\n")
1043 assert_equal([' def DefListOne()', '1 def DefListOne', ' enddef'], funcs)
1044
1045 funcs = split(execute('call DefListMatches()'), "\n")
1046 assert_true(len(funcs) >= 3)
1047 assert_true(funcs->index('def DefListAll()') >= 0)
1048 assert_true(funcs->index('def DefListOne()') >= 0)
1049 assert_true(funcs->index('def DefListMatches()') >= 0)
Bram Moolenaar54021752020-12-06 18:50:36 +01001050
1051 var lines =<< trim END
1052 vim9script
1053 def Func()
1054 def +Func+
1055 enddef
1056 defcompile
1057 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001058 v9.CheckScriptFailure(lines, 'E476:', 1)
Bram Moolenaar6abdcf82020-11-22 18:15:44 +01001059enddef
1060
Bram Moolenaare08be092022-02-17 13:08:26 +00001061def Test_global_function_not_found()
1062 var lines =<< trim END
1063 g:Ref = 123
1064 call g:Ref()
1065 END
1066 v9.CheckDefExecAndScriptFailure(lines, ['E117:', 'E1085:'], 2)
1067enddef
1068
Bram Moolenaar333894b2020-08-01 18:53:07 +02001069def Test_global_local_function()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001070 var lines =<< trim END
Bram Moolenaar333894b2020-08-01 18:53:07 +02001071 vim9script
1072 def g:Func(): string
1073 return 'global'
1074 enddef
1075 def Func(): string
1076 return 'local'
1077 enddef
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001078 g:Func()->assert_equal('global')
1079 Func()->assert_equal('local')
Bram Moolenaar2d870f82020-12-05 13:41:01 +01001080 delfunc g:Func
Bram Moolenaar333894b2020-08-01 18:53:07 +02001081 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001082 v9.CheckScriptSuccess(lines)
Bram Moolenaar035d6e92020-08-11 22:30:42 +02001083
1084 lines =<< trim END
1085 vim9script
1086 def g:Funcy()
1087 echo 'funcy'
1088 enddef
Bram Moolenaara749a422022-02-12 19:52:25 +00001089 Funcy()
Bram Moolenaar035d6e92020-08-11 22:30:42 +02001090 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001091 v9.CheckScriptFailure(lines, 'E117:')
Bram Moolenaar333894b2020-08-01 18:53:07 +02001092enddef
1093
Bram Moolenaar0f769812020-09-12 18:32:34 +02001094def Test_local_function_shadows_global()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001095 var lines =<< trim END
Bram Moolenaar0f769812020-09-12 18:32:34 +02001096 vim9script
1097 def g:Gfunc(): string
1098 return 'global'
1099 enddef
1100 def AnotherFunc(): number
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001101 var Gfunc = function('len')
Bram Moolenaar0f769812020-09-12 18:32:34 +02001102 return Gfunc('testing')
1103 enddef
1104 g:Gfunc()->assert_equal('global')
1105 AnotherFunc()->assert_equal(7)
1106 delfunc g:Gfunc
1107 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001108 v9.CheckScriptSuccess(lines)
Bram Moolenaar0f769812020-09-12 18:32:34 +02001109
1110 lines =<< trim END
1111 vim9script
1112 def g:Func(): string
1113 return 'global'
1114 enddef
1115 def AnotherFunc()
1116 g:Func = function('len')
1117 enddef
1118 AnotherFunc()
1119 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001120 v9.CheckScriptFailure(lines, 'E705:')
Bram Moolenaar0f769812020-09-12 18:32:34 +02001121 delfunc g:Func
Bram Moolenaar0865b152021-04-05 15:38:51 +02001122
Bram Moolenaar62aec932022-01-29 21:45:34 +00001123 # global function is not found with g: prefix
Bram Moolenaar0865b152021-04-05 15:38:51 +02001124 lines =<< trim END
1125 vim9script
1126 def g:Func(): string
1127 return 'global'
1128 enddef
1129 def AnotherFunc(): string
1130 return Func()
1131 enddef
1132 assert_equal('global', AnotherFunc())
Bram Moolenaar0865b152021-04-05 15:38:51 +02001133 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001134 v9.CheckScriptFailure(lines, 'E117:')
1135 delfunc g:Func
Bram Moolenaar0865b152021-04-05 15:38:51 +02001136
1137 lines =<< trim END
1138 vim9script
1139 def g:Func(): string
1140 return 'global'
1141 enddef
Bram Moolenaar848fadd2022-01-30 15:28:30 +00001142 assert_equal('global', g:Func())
Bram Moolenaar0865b152021-04-05 15:38:51 +02001143 delfunc g:Func
1144 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001145 v9.CheckScriptSuccess(lines)
Bram Moolenaar58493cf2022-01-06 12:23:30 +00001146
1147 # This does not shadow "i" which is visible only inside the for loop
1148 lines =<< trim END
1149 vim9script
1150
1151 def Foo(i: number)
1152 echo i
1153 enddef
1154
1155 for i in range(3)
1156 # Foo() is compiled here
1157 Foo(i)
1158 endfor
1159 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001160 v9.CheckScriptSuccess(lines)
Bram Moolenaar0f769812020-09-12 18:32:34 +02001161enddef
1162
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02001163func TakesOneArg(arg)
1164 echo a:arg
1165endfunc
1166
1167def Test_call_wrong_args()
Bram Moolenaar62aec932022-01-29 21:45:34 +00001168 v9.CheckDefFailure(['g:TakesOneArg()'], 'E119:')
1169 v9.CheckDefFailure(['g:TakesOneArg(11, 22)'], 'E118:')
1170 v9.CheckDefFailure(['bufnr(xxx)'], 'E1001:')
1171 v9.CheckScriptFailure(['def Func(Ref: func(s: string))'], 'E475:')
Bram Moolenaaree8580e2020-08-28 17:19:07 +02001172
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001173 var lines =<< trim END
Bram Moolenaaree8580e2020-08-28 17:19:07 +02001174 vim9script
1175 def Func(s: string)
1176 echo s
1177 enddef
1178 Func([])
1179 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001180 v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch, expected string but got list<unknown>', 5)
Bram Moolenaarb185a402020-09-18 22:42:00 +02001181
Bram Moolenaar9a015112021-12-31 14:06:45 +00001182 # argument name declared earlier is found when declaring a function
Bram Moolenaarb185a402020-09-18 22:42:00 +02001183 lines =<< trim END
1184 vim9script
Bram Moolenaarb4893b82021-02-21 22:20:24 +01001185 var name = 'piet'
1186 def FuncOne(name: string)
Bram Moolenaar3a5988c2022-02-08 19:23:35 +00001187 echo name
Bram Moolenaarb4893b82021-02-21 22:20:24 +01001188 enddef
1189 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001190 v9.CheckScriptFailure(lines, 'E1168:')
Bram Moolenaarb4893b82021-02-21 22:20:24 +01001191
Bram Moolenaar3a5988c2022-02-08 19:23:35 +00001192 # same, inside the same block
1193 lines =<< trim END
1194 vim9script
1195 if true
1196 var name = 'piet'
1197 def FuncOne(name: string)
1198 echo name
1199 enddef
1200 endif
1201 END
1202 v9.CheckScriptFailure(lines, 'E1168:')
1203
1204 # variable in other block is OK
1205 lines =<< trim END
1206 vim9script
1207 if true
1208 var name = 'piet'
1209 endif
1210 def FuncOne(name: string)
1211 echo name
1212 enddef
1213 END
1214 v9.CheckScriptSuccess(lines)
1215
Bram Moolenaardce24412022-02-08 20:35:30 +00001216 # with another variable in another block
1217 lines =<< trim END
1218 vim9script
1219 if true
1220 var name = 'piet'
1221 # define a function so that the variable isn't cleared
1222 def GetItem(): string
1223 return item
1224 enddef
1225 endif
1226 if true
1227 var name = 'peter'
1228 def FuncOne(name: string)
1229 echo name
1230 enddef
1231 endif
1232 END
1233 v9.CheckScriptFailure(lines, 'E1168:')
1234
1235 # only variable in another block is OK
1236 lines =<< trim END
1237 vim9script
1238 if true
1239 var name = 'piet'
1240 # define a function so that the variable isn't cleared
1241 def GetItem(): string
1242 return item
1243 enddef
1244 endif
1245 if true
1246 def FuncOne(name: string)
1247 echo name
1248 enddef
1249 endif
1250 END
1251 v9.CheckScriptSuccess(lines)
1252
Bram Moolenaar9a015112021-12-31 14:06:45 +00001253 # argument name declared later is only found when compiling
1254 lines =<< trim END
1255 vim9script
1256 def FuncOne(name: string)
1257 echo nr
1258 enddef
1259 var name = 'piet'
1260 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001261 v9.CheckScriptSuccess(lines)
1262 v9.CheckScriptFailure(lines + ['defcompile'], 'E1168:')
Bram Moolenaar9a015112021-12-31 14:06:45 +00001263
Bram Moolenaarb4893b82021-02-21 22:20:24 +01001264 lines =<< trim END
1265 vim9script
Bram Moolenaarb185a402020-09-18 22:42:00 +02001266 def FuncOne(nr: number)
1267 echo nr
1268 enddef
1269 def FuncTwo()
1270 FuncOne()
1271 enddef
1272 defcompile
1273 END
1274 writefile(lines, 'Xscript')
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001275 var didCatch = false
Bram Moolenaarb185a402020-09-18 22:42:00 +02001276 try
1277 source Xscript
1278 catch
1279 assert_match('E119: Not enough arguments for function: <SNR>\d\+_FuncOne', v:exception)
1280 assert_match('Xscript\[8\]..function <SNR>\d\+_FuncTwo, line 1', v:throwpoint)
1281 didCatch = true
1282 endtry
1283 assert_true(didCatch)
1284
1285 lines =<< trim END
1286 vim9script
1287 def FuncOne(nr: number)
1288 echo nr
1289 enddef
1290 def FuncTwo()
1291 FuncOne(1, 2)
1292 enddef
1293 defcompile
1294 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +01001295 writefile(lines, 'Xscript', 'D')
Bram Moolenaarb185a402020-09-18 22:42:00 +02001296 didCatch = false
1297 try
1298 source Xscript
1299 catch
1300 assert_match('E118: Too many arguments for function: <SNR>\d\+_FuncOne', v:exception)
1301 assert_match('Xscript\[8\]..function <SNR>\d\+_FuncTwo, line 1', v:throwpoint)
1302 didCatch = true
1303 endtry
1304 assert_true(didCatch)
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02001305enddef
1306
Bram Moolenaar50824712020-12-20 21:10:17 +01001307def Test_call_funcref_wrong_args()
1308 var head =<< trim END
1309 vim9script
1310 def Func3(a1: string, a2: number, a3: list<number>)
1311 echo a1 .. a2 .. a3[0]
1312 enddef
1313 def Testme()
1314 var funcMap: dict<func> = {func: Func3}
1315 END
1316 var tail =<< trim END
1317 enddef
1318 Testme()
1319 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001320 v9.CheckScriptSuccess(head + ["funcMap['func']('str', 123, [1, 2, 3])"] + tail)
Bram Moolenaar50824712020-12-20 21:10:17 +01001321
Bram Moolenaar62aec932022-01-29 21:45:34 +00001322 v9.CheckScriptFailure(head + ["funcMap['func']('str', 123)"] + tail, 'E119:')
1323 v9.CheckScriptFailure(head + ["funcMap['func']('str', 123, [1], 4)"] + tail, 'E118:')
Bram Moolenaar32b3f822021-01-06 21:59:39 +01001324
1325 var lines =<< trim END
1326 vim9script
1327 var Ref: func(number): any
1328 Ref = (j) => !j
1329 echo Ref(false)
1330 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001331 v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch, expected number but got bool', 4)
Bram Moolenaar32b3f822021-01-06 21:59:39 +01001332
1333 lines =<< trim END
1334 vim9script
1335 var Ref: func(number): any
1336 Ref = (j) => !j
1337 call Ref(false)
1338 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001339 v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch, expected number but got bool', 4)
Bram Moolenaar50824712020-12-20 21:10:17 +01001340enddef
1341
Bram Moolenaarb4d16cb2020-11-05 18:45:46 +01001342def Test_call_lambda_args()
Bram Moolenaar2a389082021-04-09 20:24:31 +02001343 var lines =<< trim END
1344 var Callback = (..._) => 'anything'
1345 assert_equal('anything', Callback())
1346 assert_equal('anything', Callback(1))
1347 assert_equal('anything', Callback('a', 2))
Bram Moolenaar1088b692021-04-09 22:12:44 +02001348
1349 assert_equal('xyz', ((a: string): string => a)('xyz'))
Bram Moolenaar2a389082021-04-09 20:24:31 +02001350 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001351 v9.CheckDefAndScriptSuccess(lines)
Bram Moolenaar2a389082021-04-09 20:24:31 +02001352
Bram Moolenaar62aec932022-01-29 21:45:34 +00001353 v9.CheckDefFailure(['echo ((i) => 0)()'],
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01001354 'E119: Not enough arguments for function: ((i) => 0)()')
Bram Moolenaarb4d16cb2020-11-05 18:45:46 +01001355
Bram Moolenaar2a389082021-04-09 20:24:31 +02001356 lines =<< trim END
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01001357 var Ref = (x: number, y: number) => x + y
Bram Moolenaarb4d16cb2020-11-05 18:45:46 +01001358 echo Ref(1, 'x')
1359 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001360 v9.CheckDefFailure(lines, 'E1013: Argument 2: type mismatch, expected number but got string')
Bram Moolenaare68b02a2021-01-03 13:09:51 +01001361
1362 lines =<< trim END
1363 var Ref: func(job, string, number)
1364 Ref = (x, y) => 0
1365 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001366 v9.CheckDefAndScriptFailure(lines, 'E1012:')
Bram Moolenaare68b02a2021-01-03 13:09:51 +01001367
1368 lines =<< trim END
1369 var Ref: func(job, string)
1370 Ref = (x, y, z) => 0
1371 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001372 v9.CheckDefAndScriptFailure(lines, 'E1012:')
Bram Moolenaar057e84a2021-02-28 16:55:11 +01001373
1374 lines =<< trim END
1375 var one = 1
1376 var l = [1, 2, 3]
1377 echo map(l, (one) => one)
1378 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001379 v9.CheckDefFailure(lines, 'E1167:')
1380 v9.CheckScriptFailure(['vim9script'] + lines, 'E1168:')
Bram Moolenaar057e84a2021-02-28 16:55:11 +01001381
1382 lines =<< trim END
Bram Moolenaar14ded112021-06-26 19:25:49 +02001383 var Ref: func(any, ?any): bool
1384 Ref = (_, y = 1) => false
1385 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001386 v9.CheckDefAndScriptFailure(lines, 'E1172:')
Bram Moolenaar14ded112021-06-26 19:25:49 +02001387
1388 lines =<< trim END
Bram Moolenaar015cf102021-06-26 21:52:02 +02001389 var a = 0
1390 var b = (a == 0 ? 1 : 2)
1391 assert_equal(1, b)
Bram Moolenaar98f9a5f2021-06-26 22:22:38 +02001392 var txt = 'a'
1393 b = (txt =~ 'x' ? 1 : 2)
1394 assert_equal(2, b)
Bram Moolenaar015cf102021-06-26 21:52:02 +02001395 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001396 v9.CheckDefAndScriptSuccess(lines)
Bram Moolenaar015cf102021-06-26 21:52:02 +02001397
1398 lines =<< trim END
Bram Moolenaar057e84a2021-02-28 16:55:11 +01001399 def ShadowLocal()
1400 var one = 1
1401 var l = [1, 2, 3]
1402 echo map(l, (one) => one)
1403 enddef
1404 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001405 v9.CheckDefFailure(lines, 'E1167:')
Bram Moolenaar057e84a2021-02-28 16:55:11 +01001406
1407 lines =<< trim END
1408 def Shadowarg(one: number)
1409 var l = [1, 2, 3]
1410 echo map(l, (one) => one)
1411 enddef
1412 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001413 v9.CheckDefFailure(lines, 'E1167:')
Bram Moolenaar767034c2021-04-09 17:24:52 +02001414
1415 lines =<< trim END
1416 echo ((a) => a)('aa', 'bb')
1417 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001418 v9.CheckDefAndScriptFailure(lines, 'E118:', 1)
Bram Moolenaarc4c56422021-07-21 20:38:46 +02001419
1420 lines =<< trim END
1421 echo 'aa'->((a) => a)('bb')
1422 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001423 v9.CheckDefFailure(lines, 'E118: Too many arguments for function: ->((a) => a)(''bb'')', 1)
1424 v9.CheckScriptFailure(['vim9script'] + lines, 'E118: Too many arguments for function: <lambda>', 2)
Bram Moolenaarb4d16cb2020-11-05 18:45:46 +01001425enddef
1426
Bram Moolenaara755fdb2021-11-20 21:35:41 +00001427def Test_lambda_line_nr()
1428 var lines =<< trim END
1429 vim9script
1430 # comment
1431 # comment
1432 var id = timer_start(1'000, (_) => 0)
1433 var out = execute('verbose ' .. timer_info(id)[0].callback
1434 ->string()
1435 ->substitute("('\\|')", ' ', 'g'))
1436 assert_match('Last set from .* line 4', out)
1437 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001438 v9.CheckScriptSuccess(lines)
Bram Moolenaara755fdb2021-11-20 21:35:41 +00001439enddef
1440
Bram Moolenaar5f91e742021-03-17 21:29:29 +01001441def FilterWithCond(x: string, Cond: func(string): bool): bool
1442 return Cond(x)
1443enddef
1444
Bram Moolenaar0346b792021-01-31 22:18:29 +01001445def Test_lambda_return_type()
1446 var lines =<< trim END
1447 var Ref = (): => 123
1448 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001449 v9.CheckDefAndScriptFailure(lines, 'E1157:', 1)
Bram Moolenaar5f91e742021-03-17 21:29:29 +01001450
Yegappan Lakshmanan611728f2021-05-24 15:15:47 +02001451 # no space before the return type
1452 lines =<< trim END
1453 var Ref = (x):number => x + 1
1454 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001455 v9.CheckDefAndScriptFailure(lines, 'E1069:', 1)
Yegappan Lakshmanan611728f2021-05-24 15:15:47 +02001456
Bram Moolenaar5f91e742021-03-17 21:29:29 +01001457 # this works
1458 for x in ['foo', 'boo']
Bram Moolenaar62aec932022-01-29 21:45:34 +00001459 echo g:FilterWithCond(x, (v) => v =~ '^b')
Bram Moolenaar5f91e742021-03-17 21:29:29 +01001460 endfor
1461
1462 # this fails
1463 lines =<< trim END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001464 echo g:FilterWithCond('foo', (v) => v .. '^b')
Bram Moolenaar5f91e742021-03-17 21:29:29 +01001465 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001466 v9.CheckDefAndScriptFailure(lines, 'E1013: Argument 2: type mismatch, expected func(string): bool but got func(any): string', 1)
Bram Moolenaara9931532021-06-12 15:58:16 +02001467
1468 lines =<< trim END
1469 var Lambda1 = (x) => {
1470 return x
1471 }
1472 assert_equal('asdf', Lambda1('asdf'))
1473 var Lambda2 = (x): string => {
1474 return x
1475 }
1476 assert_equal('foo', Lambda2('foo'))
1477 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001478 v9.CheckDefAndScriptSuccess(lines)
Bram Moolenaara9931532021-06-12 15:58:16 +02001479
1480 lines =<< trim END
1481 var Lambda = (x): string => {
1482 return x
1483 }
1484 echo Lambda(['foo'])
1485 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001486 v9.CheckDefExecAndScriptFailure(lines, 'E1012:')
Bram Moolenaar0346b792021-01-31 22:18:29 +01001487enddef
1488
Bram Moolenaar709664c2020-12-12 14:33:41 +01001489def Test_lambda_uses_assigned_var()
Bram Moolenaar62aec932022-01-29 21:45:34 +00001490 v9.CheckDefSuccess([
Bram Moolenaar2984ed32022-08-20 14:51:17 +01001491 'var x: any = "aaa"',
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01001492 'x = filter(["bbb"], (_, v) => v =~ x)'])
Bram Moolenaar709664c2020-12-12 14:33:41 +01001493enddef
1494
Bram Moolenaar18062fc2021-03-05 21:35:47 +01001495def Test_pass_legacy_lambda_to_def_func()
1496 var lines =<< trim END
1497 vim9script
1498 func Foo()
1499 eval s:Bar({x -> 0})
1500 endfunc
1501 def Bar(y: any)
1502 enddef
1503 Foo()
1504 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001505 v9.CheckScriptSuccess(lines)
Bram Moolenaar831bdf82021-06-22 19:32:17 +02001506
1507 lines =<< trim END
1508 vim9script
Bram Moolenaar1d9cef72022-03-17 16:30:03 +00001509 def g:TestFunc(F: func)
Bram Moolenaar831bdf82021-06-22 19:32:17 +02001510 enddef
1511 legacy call g:TestFunc({-> 0})
1512 delfunc g:TestFunc
1513
Bram Moolenaar1d9cef72022-03-17 16:30:03 +00001514 def g:TestFunc(F: func(number))
Bram Moolenaar831bdf82021-06-22 19:32:17 +02001515 enddef
1516 legacy call g:TestFunc({nr -> 0})
1517 delfunc g:TestFunc
1518 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001519 v9.CheckScriptSuccess(lines)
Bram Moolenaar18062fc2021-03-05 21:35:47 +01001520enddef
1521
Bram Moolenaar844fb642021-10-23 13:32:30 +01001522def Test_lambda_in_reduce_line_break()
1523 # this was using freed memory
1524 var lines =<< trim END
1525 vim9script
1526 const result: dict<number> =
1527 ['Bob', 'Sam', 'Cat', 'Bob', 'Cat', 'Cat']
1528 ->reduce((acc, val) => {
1529 if has_key(acc, val)
1530 acc[val] += 1
1531 return acc
1532 else
1533 acc[val] = 1
1534 return acc
1535 endif
1536 }, {})
1537 assert_equal({Bob: 2, Sam: 1, Cat: 3}, result)
1538 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001539 v9.CheckScriptSuccess(lines)
Bram Moolenaar844fb642021-10-23 13:32:30 +01001540enddef
1541
Bram Moolenaardcb53be2021-12-09 14:23:43 +00001542def Test_set_opfunc_to_lambda()
1543 var lines =<< trim END
1544 vim9script
1545 nnoremap <expr> <F4> <SID>CountSpaces() .. '_'
1546 def CountSpaces(type = ''): string
1547 if type == ''
1548 &operatorfunc = (t) => CountSpaces(t)
1549 return 'g@'
1550 endif
1551 normal! '[V']y
1552 g:result = getreg('"')->count(' ')
1553 return ''
1554 enddef
1555 new
1556 'a b c d e'->setline(1)
1557 feedkeys("\<F4>", 'x')
1558 assert_equal(4, g:result)
1559 bwipe!
1560 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001561 v9.CheckScriptSuccess(lines)
Bram Moolenaardcb53be2021-12-09 14:23:43 +00001562enddef
1563
Bram Moolenaaref082e12021-12-12 21:02:03 +00001564def Test_set_opfunc_to_global_function()
1565 var lines =<< trim END
1566 vim9script
1567 def g:CountSpaces(type = ''): string
1568 normal! '[V']y
1569 g:result = getreg('"')->count(' ')
1570 return ''
1571 enddef
Bram Moolenaarb15cf442021-12-16 15:49:43 +00001572 # global function works at script level
Bram Moolenaaref082e12021-12-12 21:02:03 +00001573 &operatorfunc = g:CountSpaces
1574 new
1575 'a b c d e'->setline(1)
1576 feedkeys("g@_", 'x')
1577 assert_equal(4, g:result)
Bram Moolenaarb15cf442021-12-16 15:49:43 +00001578
1579 &operatorfunc = ''
1580 g:result = 0
1581 # global function works in :def function
1582 def Func()
1583 &operatorfunc = g:CountSpaces
1584 enddef
1585 Func()
1586 feedkeys("g@_", 'x')
1587 assert_equal(4, g:result)
1588
Bram Moolenaaref082e12021-12-12 21:02:03 +00001589 bwipe!
1590 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001591 v9.CheckScriptSuccess(lines)
Bram Moolenaaref082e12021-12-12 21:02:03 +00001592 &operatorfunc = ''
1593enddef
1594
Bram Moolenaar33b968d2021-12-13 11:31:04 +00001595def Test_use_script_func_name_with_prefix()
1596 var lines =<< trim END
1597 vim9script
Bram Moolenaara749a422022-02-12 19:52:25 +00001598 func g:Getit()
Bram Moolenaar33b968d2021-12-13 11:31:04 +00001599 return 'it'
1600 endfunc
Bram Moolenaara749a422022-02-12 19:52:25 +00001601 var Fn = g:Getit
Bram Moolenaar33b968d2021-12-13 11:31:04 +00001602 assert_equal('it', Fn())
1603 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001604 v9.CheckScriptSuccess(lines)
Bram Moolenaar33b968d2021-12-13 11:31:04 +00001605enddef
1606
Bram Moolenaardd297bc2021-12-10 10:37:38 +00001607def Test_lambda_type_allocated()
1608 # Check that unreferencing a partial using a lambda can use the variable type
1609 # after the lambda has been freed and does not leak memory.
1610 var lines =<< trim END
1611 vim9script
1612
1613 func MyomniFunc1(val, findstart, base)
1614 return a:findstart ? 0 : []
1615 endfunc
1616
1617 var Lambda = (a, b) => MyomniFunc1(19, a, b)
1618 &omnifunc = Lambda
1619 Lambda = (a, b) => MyomniFunc1(20, a, b)
1620 &omnifunc = string(Lambda)
1621 Lambda = (a, b) => strlen(a)
1622 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001623 v9.CheckScriptSuccess(lines)
Bram Moolenaardd297bc2021-12-10 10:37:38 +00001624enddef
1625
Bram Moolenaara7583c42022-05-07 21:14:05 +01001626def Test_define_lambda_in_execute()
1627 var lines =<< trim [CODE]
1628 vim9script
1629
1630 def BuildFuncMultiLine(): func
1631 var x =<< trim END
1632 g:SomeRandomFunc = (d: dict<any>) => {
1633 return d.k1 + d.k2
1634 }
1635 END
1636 execute(x)
1637 return g:SomeRandomFunc
1638 enddef
1639 var ResultPlus = BuildFuncMultiLine()
1640 assert_equal(7, ResultPlus({k1: 3, k2: 4}))
1641 [CODE]
1642 v9.CheckScriptSuccess(lines)
1643 unlet g:SomeRandomFunc
1644enddef
1645
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02001646" Default arg and varargs
1647def MyDefVarargs(one: string, two = 'foo', ...rest: list<string>): string
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001648 var res = one .. ',' .. two
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02001649 for s in rest
1650 res ..= ',' .. s
1651 endfor
1652 return res
1653enddef
1654
1655def Test_call_def_varargs()
Bram Moolenaar62aec932022-01-29 21:45:34 +00001656 assert_fails('g:MyDefVarargs()', 'E119:', '', 1, 'Test_call_def_varargs')
1657 g:MyDefVarargs('one')->assert_equal('one,foo')
1658 g:MyDefVarargs('one', 'two')->assert_equal('one,two')
1659 g:MyDefVarargs('one', 'two', 'three')->assert_equal('one,two,three')
1660 v9.CheckDefFailure(['g:MyDefVarargs("one", 22)'],
Bram Moolenaar77072282020-09-16 17:55:40 +02001661 'E1013: Argument 2: type mismatch, expected string but got number')
Bram Moolenaar62aec932022-01-29 21:45:34 +00001662 v9.CheckDefFailure(['g:MyDefVarargs("one", "two", 123)'],
Bram Moolenaar77072282020-09-16 17:55:40 +02001663 'E1013: Argument 3: type mismatch, expected string but got number')
Bram Moolenaar24aa48b2020-07-25 16:33:02 +02001664
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001665 var lines =<< trim END
Bram Moolenaar24aa48b2020-07-25 16:33:02 +02001666 vim9script
1667 def Func(...l: list<string>)
1668 echo l
1669 enddef
1670 Func('a', 'b', 'c')
1671 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001672 v9.CheckScriptSuccess(lines)
Bram Moolenaar24aa48b2020-07-25 16:33:02 +02001673
1674 lines =<< trim END
1675 vim9script
1676 def Func(...l: list<string>)
1677 echo l
1678 enddef
1679 Func()
1680 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001681 v9.CheckScriptSuccess(lines)
Bram Moolenaar24aa48b2020-07-25 16:33:02 +02001682
1683 lines =<< trim END
1684 vim9script
Bram Moolenaar2a389082021-04-09 20:24:31 +02001685 def Func(...l: list<any>)
Bram Moolenaar2f8cbc42020-09-16 17:22:59 +02001686 echo l
1687 enddef
1688 Func(0)
1689 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001690 v9.CheckScriptSuccess(lines)
Bram Moolenaar2f8cbc42020-09-16 17:22:59 +02001691
1692 lines =<< trim END
1693 vim9script
Bram Moolenaar2a389082021-04-09 20:24:31 +02001694 def Func(...l: any)
1695 echo l
1696 enddef
1697 Func(0)
1698 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001699 v9.CheckScriptFailure(lines, 'E1180:', 2)
Bram Moolenaar2a389082021-04-09 20:24:31 +02001700
1701 lines =<< trim END
1702 vim9script
Bram Moolenaar28022722020-09-21 22:02:49 +02001703 def Func(..._l: list<string>)
1704 echo _l
1705 enddef
1706 Func('a', 'b', 'c')
1707 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001708 v9.CheckScriptSuccess(lines)
Bram Moolenaar28022722020-09-21 22:02:49 +02001709
1710 lines =<< trim END
1711 vim9script
Bram Moolenaar24aa48b2020-07-25 16:33:02 +02001712 def Func(...l: list<string>)
1713 echo l
1714 enddef
1715 Func(1, 2, 3)
1716 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001717 v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch')
Bram Moolenaar24aa48b2020-07-25 16:33:02 +02001718
1719 lines =<< trim END
1720 vim9script
1721 def Func(...l: list<string>)
1722 echo l
1723 enddef
1724 Func('a', 9)
1725 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001726 v9.CheckScriptFailure(lines, 'E1013: Argument 2: type mismatch')
Bram Moolenaar24aa48b2020-07-25 16:33:02 +02001727
1728 lines =<< trim END
1729 vim9script
1730 def Func(...l: list<string>)
1731 echo l
1732 enddef
1733 Func(1, 'a')
1734 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001735 v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch')
Bram Moolenaar4f53b792021-02-07 15:59:49 +01001736
1737 lines =<< trim END
1738 vim9script
1739 def Func( # some comment
1740 ...l = []
1741 )
1742 echo l
1743 enddef
1744 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001745 v9.CheckScriptFailure(lines, 'E1160:')
Bram Moolenaar6ce46b92021-08-07 15:35:36 +02001746
1747 lines =<< trim END
1748 vim9script
1749 def DoIt()
1750 g:Later('')
1751 enddef
1752 defcompile
1753 def g:Later(...l: list<number>)
1754 enddef
1755 DoIt()
1756 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001757 v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch, expected number but got string')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02001758enddef
1759
Bram Moolenaar1378fbc2020-04-11 20:50:33 +02001760let s:value = ''
1761
1762def FuncOneDefArg(opt = 'text')
1763 s:value = opt
1764enddef
1765
1766def FuncTwoDefArg(nr = 123, opt = 'text'): string
1767 return nr .. opt
1768enddef
1769
1770def FuncVarargs(...arg: list<string>): string
1771 return join(arg, ',')
1772enddef
1773
1774def Test_func_type_varargs()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001775 var RefDefArg: func(?string)
Bram Moolenaar848fadd2022-01-30 15:28:30 +00001776 RefDefArg = g:FuncOneDefArg
Bram Moolenaar1378fbc2020-04-11 20:50:33 +02001777 RefDefArg()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001778 s:value->assert_equal('text')
Bram Moolenaar1378fbc2020-04-11 20:50:33 +02001779 RefDefArg('some')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001780 s:value->assert_equal('some')
Bram Moolenaar1378fbc2020-04-11 20:50:33 +02001781
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001782 var RefDef2Arg: func(?number, ?string): string
Bram Moolenaar848fadd2022-01-30 15:28:30 +00001783 RefDef2Arg = g:FuncTwoDefArg
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001784 RefDef2Arg()->assert_equal('123text')
1785 RefDef2Arg(99)->assert_equal('99text')
1786 RefDef2Arg(77, 'some')->assert_equal('77some')
Bram Moolenaar1378fbc2020-04-11 20:50:33 +02001787
Bram Moolenaar62aec932022-01-29 21:45:34 +00001788 v9.CheckDefFailure(['var RefWrong: func(string?)'], 'E1010:')
1789 v9.CheckDefFailure(['var RefWrong: func(?string, string)'], 'E1007:')
Bram Moolenaar1378fbc2020-04-11 20:50:33 +02001790
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001791 var RefVarargs: func(...list<string>): string
Bram Moolenaar848fadd2022-01-30 15:28:30 +00001792 RefVarargs = g:FuncVarargs
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001793 RefVarargs()->assert_equal('')
1794 RefVarargs('one')->assert_equal('one')
1795 RefVarargs('one', 'two')->assert_equal('one,two')
Bram Moolenaar1378fbc2020-04-11 20:50:33 +02001796
Bram Moolenaar62aec932022-01-29 21:45:34 +00001797 v9.CheckDefFailure(['var RefWrong: func(...list<string>, string)'], 'E110:')
1798 v9.CheckDefFailure(['var RefWrong: func(...list<string>, ?string)'], 'E110:')
Bram Moolenaar1378fbc2020-04-11 20:50:33 +02001799enddef
1800
Bram Moolenaar0b76b422020-04-07 22:05:08 +02001801" Only varargs
1802def MyVarargsOnly(...args: list<string>): string
1803 return join(args, ',')
1804enddef
1805
1806def Test_call_varargs_only()
Bram Moolenaar62aec932022-01-29 21:45:34 +00001807 g:MyVarargsOnly()->assert_equal('')
1808 g:MyVarargsOnly('one')->assert_equal('one')
1809 g:MyVarargsOnly('one', 'two')->assert_equal('one,two')
1810 v9.CheckDefFailure(['g:MyVarargsOnly(1)'], 'E1013: Argument 1: type mismatch, expected string but got number')
1811 v9.CheckDefFailure(['g:MyVarargsOnly("one", 2)'], 'E1013: Argument 2: type mismatch, expected string but got number')
Bram Moolenaar0b76b422020-04-07 22:05:08 +02001812enddef
1813
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02001814def Test_using_var_as_arg()
Bram Moolenaard2939812021-12-30 17:09:05 +00001815 var lines =<< trim END
1816 def Func(x: number)
1817 var x = 234
1818 enddef
1819 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001820 v9.CheckDefFailure(lines, 'E1006:')
Bram Moolenaard2939812021-12-30 17:09:05 +00001821
1822 lines =<< trim END
1823 def Func(Ref: number)
1824 def Ref()
1825 enddef
1826 enddef
1827 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001828 v9.CheckDefFailure(lines, 'E1073:')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02001829enddef
1830
Bram Moolenaar62aec932022-01-29 21:45:34 +00001831def s:DictArg(arg: dict<string>)
Bram Moolenaarcb2bdb12020-05-10 22:53:56 +02001832 arg['key'] = 'value'
1833enddef
1834
Bram Moolenaar62aec932022-01-29 21:45:34 +00001835def s:ListArg(arg: list<string>)
Bram Moolenaarcb2bdb12020-05-10 22:53:56 +02001836 arg[0] = 'value'
1837enddef
1838
1839def Test_assign_to_argument()
Bram Moolenaarf5be8cd2020-07-17 20:36:00 +02001840 # works for dict and list
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001841 var d: dict<string> = {}
Bram Moolenaarcb2bdb12020-05-10 22:53:56 +02001842 DictArg(d)
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001843 d['key']->assert_equal('value')
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001844 var l: list<string> = []
Bram Moolenaarcb2bdb12020-05-10 22:53:56 +02001845 ListArg(l)
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001846 l[0]->assert_equal('value')
Bram Moolenaarcb2bdb12020-05-10 22:53:56 +02001847
Bram Moolenaar62aec932022-01-29 21:45:34 +00001848 v9.CheckScriptFailure(['def Func(arg: number)', 'arg = 3', 'enddef', 'defcompile'], 'E1090:')
Bram Moolenaar2d870f82020-12-05 13:41:01 +01001849 delfunc! g:Func
Bram Moolenaarcb2bdb12020-05-10 22:53:56 +02001850enddef
1851
Bram Moolenaarb816dae2020-09-20 22:04:00 +02001852" These argument names are reserved in legacy functions.
Bram Moolenaar62aec932022-01-29 21:45:34 +00001853def s:WithReservedNames(firstline: string, lastline: string): string
Bram Moolenaarb816dae2020-09-20 22:04:00 +02001854 return firstline .. lastline
1855enddef
1856
1857def Test_argument_names()
1858 assert_equal('OK', WithReservedNames('O', 'K'))
1859enddef
1860
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02001861def Test_call_func_defined_later()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001862 g:DefinedLater('one')->assert_equal('one')
Bram Moolenaar9bd5d872020-09-06 21:47:48 +02001863 assert_fails('NotDefined("one")', 'E117:', '', 2, 'Test_call_func_defined_later')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02001864enddef
1865
Bram Moolenaar1df8b3f2020-04-23 18:13:23 +02001866func DefinedLater(arg)
1867 return a:arg
1868endfunc
1869
1870def Test_call_funcref()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001871 g:SomeFunc('abc')->assert_equal(3)
Bram Moolenaar9bd5d872020-09-06 21:47:48 +02001872 assert_fails('NotAFunc()', 'E117:', '', 2, 'Test_call_funcref') # comment after call
Bram Moolenaar2ef91562021-12-11 16:14:07 +00001873 assert_fails('g:NotAFunc()', 'E1085:', '', 3, 'Test_call_funcref')
Bram Moolenaar2f1980f2020-07-22 19:30:06 +02001874
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001875 var lines =<< trim END
Bram Moolenaar2f1980f2020-07-22 19:30:06 +02001876 vim9script
1877 def RetNumber(): number
1878 return 123
1879 enddef
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001880 var Funcref: func: number = function('RetNumber')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001881 Funcref()->assert_equal(123)
Bram Moolenaar2f1980f2020-07-22 19:30:06 +02001882 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001883 v9.CheckScriptSuccess(lines)
Bram Moolenaar0f60e802020-07-22 20:16:11 +02001884
1885 lines =<< trim END
1886 vim9script
1887 def RetNumber(): number
1888 return 123
1889 enddef
1890 def Bar(F: func: number): number
1891 return F()
1892 enddef
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001893 var Funcref = function('RetNumber')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001894 Bar(Funcref)->assert_equal(123)
Bram Moolenaar0f60e802020-07-22 20:16:11 +02001895 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001896 v9.CheckScriptSuccess(lines)
Bram Moolenaarbfba8652020-07-23 20:09:10 +02001897
1898 lines =<< trim END
1899 vim9script
1900 def UseNumber(nr: number)
1901 echo nr
1902 enddef
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001903 var Funcref: func(number) = function('UseNumber')
Bram Moolenaarbfba8652020-07-23 20:09:10 +02001904 Funcref(123)
1905 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001906 v9.CheckScriptSuccess(lines)
Bram Moolenaarb8070e32020-07-23 20:56:04 +02001907
1908 lines =<< trim END
1909 vim9script
1910 def UseNumber(nr: number)
1911 echo nr
1912 enddef
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001913 var Funcref: func(string) = function('UseNumber')
Bram Moolenaarb8070e32020-07-23 20:56:04 +02001914 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001915 v9.CheckScriptFailure(lines, 'E1012: Type mismatch; expected func(string) but got func(number)')
Bram Moolenaar4fc224c2020-07-26 17:56:25 +02001916
1917 lines =<< trim END
1918 vim9script
1919 def EchoNr(nr = 34)
1920 g:echo = nr
1921 enddef
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001922 var Funcref: func(?number) = function('EchoNr')
Bram Moolenaar4fc224c2020-07-26 17:56:25 +02001923 Funcref()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001924 g:echo->assert_equal(34)
Bram Moolenaar4fc224c2020-07-26 17:56:25 +02001925 Funcref(123)
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001926 g:echo->assert_equal(123)
Bram Moolenaar4fc224c2020-07-26 17:56:25 +02001927 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001928 v9.CheckScriptSuccess(lines)
Bram Moolenaarace61322020-07-26 18:16:58 +02001929
1930 lines =<< trim END
1931 vim9script
1932 def EchoList(...l: list<number>)
1933 g:echo = l
1934 enddef
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001935 var Funcref: func(...list<number>) = function('EchoList')
Bram Moolenaarace61322020-07-26 18:16:58 +02001936 Funcref()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001937 g:echo->assert_equal([])
Bram Moolenaarace61322020-07-26 18:16:58 +02001938 Funcref(1, 2, 3)
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001939 g:echo->assert_equal([1, 2, 3])
Bram Moolenaarace61322020-07-26 18:16:58 +02001940 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001941 v9.CheckScriptSuccess(lines)
Bram Moolenaar01865ad2020-07-26 18:33:09 +02001942
1943 lines =<< trim END
1944 vim9script
1945 def OptAndVar(nr: number, opt = 12, ...l: list<number>): number
1946 g:optarg = opt
1947 g:listarg = l
1948 return nr
1949 enddef
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02001950 var Funcref: func(number, ?number, ...list<number>): number = function('OptAndVar')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001951 Funcref(10)->assert_equal(10)
1952 g:optarg->assert_equal(12)
1953 g:listarg->assert_equal([])
Bram Moolenaar01865ad2020-07-26 18:33:09 +02001954
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001955 Funcref(11, 22)->assert_equal(11)
1956 g:optarg->assert_equal(22)
1957 g:listarg->assert_equal([])
Bram Moolenaar01865ad2020-07-26 18:33:09 +02001958
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02001959 Funcref(17, 18, 1, 2, 3)->assert_equal(17)
1960 g:optarg->assert_equal(18)
1961 g:listarg->assert_equal([1, 2, 3])
Bram Moolenaar01865ad2020-07-26 18:33:09 +02001962 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00001963 v9.CheckScriptSuccess(lines)
Kota Kato948a3892022-08-16 16:09:59 +01001964
1965 lines =<< trim END
1966 function s:func(num)
1967 return a:num * 2
1968 endfunction
1969
1970 def s:CallFuncref()
1971 var Funcref = function('s:func')
1972 Funcref(3)->assert_equal(6)
1973 enddef
1974 call s:CallFuncref()
1975 END
1976 v9.CheckScriptSuccess(lines)
1977
1978 lines =<< trim END
1979 function s:func(num)
1980 return a:num * 2
1981 endfunction
1982
1983 def s:CallFuncref()
1984 var Funcref = function(s:func)
1985 Funcref(3)->assert_equal(6)
1986 enddef
1987 call s:CallFuncref()
1988 END
1989 v9.CheckScriptSuccess(lines)
1990
1991 lines =<< trim END
1992 function s:func(num)
1993 return a:num * 2
1994 endfunction
1995
1996 def s:CallFuncref()
1997 var Funcref = s:func
1998 Funcref(3)->assert_equal(6)
1999 enddef
2000 call s:CallFuncref()
2001 END
2002 v9.CheckScriptSuccess(lines)
Bram Moolenaar1df8b3f2020-04-23 18:13:23 +02002003enddef
2004
2005let SomeFunc = function('len')
2006let NotAFunc = 'text'
2007
Bram Moolenaar99aaf0c2020-04-12 14:39:53 +02002008def CombineFuncrefTypes()
Bram Moolenaarf5be8cd2020-07-17 20:36:00 +02002009 # same arguments, different return type
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002010 var Ref1: func(bool): string
2011 var Ref2: func(bool): number
2012 var Ref3: func(bool): any
Bram Moolenaar99aaf0c2020-04-12 14:39:53 +02002013 Ref3 = g:cond ? Ref1 : Ref2
2014
Bram Moolenaarf5be8cd2020-07-17 20:36:00 +02002015 # different number of arguments
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002016 var Refa1: func(bool): number
2017 var Refa2: func(bool, number): number
2018 var Refa3: func: number
Bram Moolenaar99aaf0c2020-04-12 14:39:53 +02002019 Refa3 = g:cond ? Refa1 : Refa2
2020
Bram Moolenaarf5be8cd2020-07-17 20:36:00 +02002021 # different argument types
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002022 var Refb1: func(bool, string): number
2023 var Refb2: func(string, number): number
2024 var Refb3: func(any, any): number
Bram Moolenaar99aaf0c2020-04-12 14:39:53 +02002025 Refb3 = g:cond ? Refb1 : Refb2
2026enddef
2027
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002028def FuncWithForwardCall()
Bram Moolenaar1df8b3f2020-04-23 18:13:23 +02002029 return g:DefinedEvenLater("yes")
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002030enddef
2031
2032def DefinedEvenLater(arg: string): string
2033 return arg
2034enddef
2035
2036def Test_error_in_nested_function()
Bram Moolenaarf5be8cd2020-07-17 20:36:00 +02002037 # Error in called function requires unwinding the call stack.
Bram Moolenaar848fadd2022-01-30 15:28:30 +00002038 assert_fails('g:FuncWithForwardCall()', 'E1096:', '', 1, 'FuncWithForwardCall')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002039enddef
2040
Bram Moolenaar4bf10062021-12-28 17:23:12 +00002041def Test_nested_function_with_nextcmd()
Bram Moolenaar9c23f9b2021-12-26 14:23:22 +00002042 var lines =<< trim END
2043 vim9script
2044 # Define an outer function
2045 def FirstFunction()
2046 # Define an inner function
2047 def SecondFunction()
2048 # the function has a body, a double free is detected.
2049 AAAAA
2050
2051 # enddef followed by | or } followed by # one or more characters
2052 enddef|BBBB
2053 enddef
2054
2055 # Compile all functions
2056 defcompile
2057 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002058 v9.CheckScriptFailure(lines, 'E1173: Text found after enddef: BBBB')
Bram Moolenaar9c23f9b2021-12-26 14:23:22 +00002059enddef
2060
Bram Moolenaar4bf10062021-12-28 17:23:12 +00002061def Test_nested_function_with_args_split()
2062 var lines =<< trim END
2063 vim9script
2064 def FirstFunction()
2065 def SecondFunction(
2066 )
2067 # had a double free if the right parenthesis of the nested function is
2068 # on the next line
2069
2070 enddef|BBBB
2071 enddef
2072 # Compile all functions
2073 defcompile
2074 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002075 v9.CheckScriptFailure(lines, 'E1173: Text found after enddef: BBBB')
Bram Moolenaar7473a842021-12-28 17:55:26 +00002076
2077 lines =<< trim END
2078 vim9script
2079 def FirstFunction()
2080 func SecondFunction()
2081 endfunc|BBBB
2082 enddef
2083 defcompile
2084 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002085 v9.CheckScriptFailure(lines, 'E1173: Text found after endfunction: BBBB')
Bram Moolenaar4bf10062021-12-28 17:23:12 +00002086enddef
2087
Bram Moolenaar9f1a39a2022-01-08 15:39:39 +00002088def Test_error_in_function_args()
2089 var lines =<< trim END
2090 def FirstFunction()
2091 def SecondFunction(J =
2092 # Nois
2093 # one
2094
2095 enddef|BBBB
2096 enddef
2097 # Compile all functions
2098 defcompile
2099 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002100 v9.CheckScriptFailure(lines, 'E488:')
Bram Moolenaar9f1a39a2022-01-08 15:39:39 +00002101enddef
2102
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002103def Test_return_type_wrong()
Bram Moolenaar62aec932022-01-29 21:45:34 +00002104 v9.CheckScriptFailure([
Bram Moolenaar5a849da2020-08-08 16:47:30 +02002105 'def Func(): number',
2106 'return "a"',
2107 'enddef',
2108 'defcompile'], 'expected number but got string')
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002109 delfunc! g:Func
Bram Moolenaar62aec932022-01-29 21:45:34 +00002110 v9.CheckScriptFailure([
Bram Moolenaar5a849da2020-08-08 16:47:30 +02002111 'def Func(): string',
2112 'return 1',
2113 'enddef',
2114 'defcompile'], 'expected string but got number')
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002115 delfunc! g:Func
Bram Moolenaar62aec932022-01-29 21:45:34 +00002116 v9.CheckScriptFailure([
Bram Moolenaar5a849da2020-08-08 16:47:30 +02002117 'def Func(): void',
2118 'return "a"',
2119 'enddef',
2120 'defcompile'],
2121 'E1096: Returning a value in a function without a return type')
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002122 delfunc! g:Func
Bram Moolenaar62aec932022-01-29 21:45:34 +00002123 v9.CheckScriptFailure([
Bram Moolenaar5a849da2020-08-08 16:47:30 +02002124 'def Func()',
2125 'return "a"',
2126 'enddef',
2127 'defcompile'],
2128 'E1096: Returning a value in a function without a return type')
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002129 delfunc! g:Func
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002130
Bram Moolenaar62aec932022-01-29 21:45:34 +00002131 v9.CheckScriptFailure([
Bram Moolenaar5a849da2020-08-08 16:47:30 +02002132 'def Func(): number',
2133 'return',
2134 'enddef',
2135 'defcompile'], 'E1003:')
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002136 delfunc! g:Func
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002137
Bram Moolenaar62aec932022-01-29 21:45:34 +00002138 v9.CheckScriptFailure([
Bram Moolenaar33ea9fd2021-08-08 19:07:37 +02002139 'def Func():number',
2140 'return 123',
2141 'enddef',
2142 'defcompile'], 'E1069:')
2143 delfunc! g:Func
2144
Bram Moolenaar62aec932022-01-29 21:45:34 +00002145 v9.CheckScriptFailure([
Bram Moolenaar33ea9fd2021-08-08 19:07:37 +02002146 'def Func() :number',
2147 'return 123',
2148 'enddef',
2149 'defcompile'], 'E1059:')
2150 delfunc! g:Func
2151
Bram Moolenaar62aec932022-01-29 21:45:34 +00002152 v9.CheckScriptFailure([
Bram Moolenaar33ea9fd2021-08-08 19:07:37 +02002153 'def Func() : number',
2154 'return 123',
2155 'enddef',
2156 'defcompile'], 'E1059:')
2157 delfunc! g:Func
2158
Bram Moolenaar62e0e2e2022-08-20 12:07:58 +01002159 v9.CheckScriptFailure(['def Func(): list', 'return []', 'enddef'], 'E1008: Missing <type> after list')
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002160 delfunc! g:Func
Bram Moolenaar62e0e2e2022-08-20 12:07:58 +01002161 v9.CheckScriptFailure(['def Func(): dict', 'return {}', 'enddef'], 'E1008: Missing <type> after dict')
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002162 delfunc! g:Func
Bram Moolenaar62aec932022-01-29 21:45:34 +00002163 v9.CheckScriptFailure(['def Func()', 'return 1'], 'E1057:')
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002164 delfunc! g:Func
Bram Moolenaar5a849da2020-08-08 16:47:30 +02002165
Bram Moolenaar62aec932022-01-29 21:45:34 +00002166 v9.CheckScriptFailure([
Bram Moolenaar5a849da2020-08-08 16:47:30 +02002167 'vim9script',
2168 'def FuncB()',
2169 ' return 123',
2170 'enddef',
2171 'def FuncA()',
2172 ' FuncB()',
2173 'enddef',
2174 'defcompile'], 'E1096:')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002175enddef
2176
2177def Test_arg_type_wrong()
Bram Moolenaar62e0e2e2022-08-20 12:07:58 +01002178 v9.CheckScriptFailure(['def Func3(items: list)', 'echo "a"', 'enddef'], 'E1008: Missing <type> after list')
Bram Moolenaar62aec932022-01-29 21:45:34 +00002179 v9.CheckScriptFailure(['def Func4(...)', 'echo "a"', 'enddef'], 'E1055: Missing name after ...')
2180 v9.CheckScriptFailure(['def Func5(items:string)', 'echo "a"'], 'E1069:')
2181 v9.CheckScriptFailure(['def Func5(items)', 'echo "a"'], 'E1077:')
2182 v9.CheckScriptFailure(['def Func6(...x:list<number>)', 'echo "a"', 'enddef'], 'E1069:')
2183 v9.CheckScriptFailure(['def Func7(...x: int)', 'echo "a"', 'enddef'], 'E1010:')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002184enddef
2185
Bram Moolenaar86cdb8a2021-04-06 19:01:03 +02002186def Test_white_space_before_comma()
2187 var lines =<< trim END
2188 vim9script
2189 def Func(a: number , b: number)
2190 enddef
2191 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002192 v9.CheckScriptFailure(lines, 'E1068:')
Yegappan Lakshmanan611728f2021-05-24 15:15:47 +02002193 call assert_fails('vim9cmd echo stridx("a" .. "b" , "a")', 'E1068:')
Bram Moolenaar86cdb8a2021-04-06 19:01:03 +02002194enddef
2195
Bram Moolenaar608d78f2021-03-06 22:33:12 +01002196def Test_white_space_after_comma()
2197 var lines =<< trim END
2198 vim9script
2199 def Func(a: number,b: number)
2200 enddef
2201 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002202 v9.CheckScriptFailure(lines, 'E1069:')
Bram Moolenaar608d78f2021-03-06 22:33:12 +01002203
2204 # OK in legacy function
2205 lines =<< trim END
2206 vim9script
2207 func Func(a,b)
2208 endfunc
2209 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002210 v9.CheckScriptSuccess(lines)
Bram Moolenaar608d78f2021-03-06 22:33:12 +01002211enddef
2212
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002213def Test_vim9script_call()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002214 var lines =<< trim END
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002215 vim9script
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002216 var name = ''
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002217 def MyFunc(arg: string)
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002218 name = arg
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002219 enddef
2220 MyFunc('foobar')
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002221 name->assert_equal('foobar')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002222
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002223 var str = 'barfoo'
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002224 str->MyFunc()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002225 name->assert_equal('barfoo')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002226
Bram Moolenaar67979662020-06-20 22:50:47 +02002227 g:value = 'value'
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002228 g:value->MyFunc()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002229 name->assert_equal('value')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002230
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002231 var listvar = []
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002232 def ListFunc(arg: list<number>)
2233 listvar = arg
2234 enddef
2235 [1, 2, 3]->ListFunc()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002236 listvar->assert_equal([1, 2, 3])
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002237
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002238 var dictvar = {}
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002239 def DictFunc(arg: dict<number>)
2240 dictvar = arg
2241 enddef
Bram Moolenaare0de1712020-12-02 17:36:54 +01002242 {a: 1, b: 2}->DictFunc()
2243 dictvar->assert_equal({a: 1, b: 2})
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002244 def CompiledDict()
Bram Moolenaare0de1712020-12-02 17:36:54 +01002245 {a: 3, b: 4}->DictFunc()
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002246 enddef
2247 CompiledDict()
Bram Moolenaare0de1712020-12-02 17:36:54 +01002248 dictvar->assert_equal({a: 3, b: 4})
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002249
Bram Moolenaare0de1712020-12-02 17:36:54 +01002250 {a: 3, b: 4}->DictFunc()
2251 dictvar->assert_equal({a: 3, b: 4})
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002252
2253 ('text')->MyFunc()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002254 name->assert_equal('text')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002255 ("some")->MyFunc()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002256 name->assert_equal('some')
Bram Moolenaare6b53242020-07-01 17:28:33 +02002257
Bram Moolenaar13e12b82020-07-24 18:47:22 +02002258 # line starting with single quote is not a mark
Bram Moolenaar10409562020-07-29 20:00:38 +02002259 # line starting with double quote can be a method call
Bram Moolenaar3d48e252020-07-15 14:15:52 +02002260 'asdfasdf'->MyFunc()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002261 name->assert_equal('asdfasdf')
Bram Moolenaar10409562020-07-29 20:00:38 +02002262 "xyz"->MyFunc()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002263 name->assert_equal('xyz')
Bram Moolenaar3d48e252020-07-15 14:15:52 +02002264
2265 def UseString()
2266 'xyork'->MyFunc()
2267 enddef
2268 UseString()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002269 name->assert_equal('xyork')
Bram Moolenaar3d48e252020-07-15 14:15:52 +02002270
Bram Moolenaar10409562020-07-29 20:00:38 +02002271 def UseString2()
2272 "knife"->MyFunc()
2273 enddef
2274 UseString2()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002275 name->assert_equal('knife')
Bram Moolenaar10409562020-07-29 20:00:38 +02002276
Bram Moolenaar13e12b82020-07-24 18:47:22 +02002277 # prepending a colon makes it a mark
2278 new
2279 setline(1, ['aaa', 'bbb', 'ccc'])
2280 normal! 3Gmt1G
2281 :'t
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002282 getcurpos()[1]->assert_equal(3)
Bram Moolenaar13e12b82020-07-24 18:47:22 +02002283 bwipe!
2284
Bram Moolenaare6b53242020-07-01 17:28:33 +02002285 MyFunc(
2286 'continued'
2287 )
2288 assert_equal('continued',
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002289 name
Bram Moolenaare6b53242020-07-01 17:28:33 +02002290 )
2291
2292 call MyFunc(
2293 'more'
2294 ..
2295 'lines'
2296 )
2297 assert_equal(
2298 'morelines',
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002299 name)
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002300 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +01002301 writefile(lines, 'Xcall.vim', 'D')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002302 source Xcall.vim
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002303enddef
2304
2305def Test_vim9script_call_fail_decl()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002306 var lines =<< trim END
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002307 vim9script
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002308 var name = ''
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002309 def MyFunc(arg: string)
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002310 var name = 123
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002311 enddef
Bram Moolenaar822ba242020-05-24 23:00:18 +02002312 defcompile
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002313 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002314 v9.CheckScriptFailure(lines, 'E1054:')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002315enddef
2316
Bram Moolenaar65b95452020-07-19 14:03:09 +02002317def Test_vim9script_call_fail_type()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002318 var lines =<< trim END
Bram Moolenaar65b95452020-07-19 14:03:09 +02002319 vim9script
2320 def MyFunc(arg: string)
2321 echo arg
2322 enddef
2323 MyFunc(1234)
2324 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002325 v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch, expected string but got number')
Bram Moolenaar65b95452020-07-19 14:03:09 +02002326enddef
2327
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002328def Test_vim9script_call_fail_const()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002329 var lines =<< trim END
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002330 vim9script
2331 const var = ''
2332 def MyFunc(arg: string)
2333 var = 'asdf'
2334 enddef
Bram Moolenaar822ba242020-05-24 23:00:18 +02002335 defcompile
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002336 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +01002337 writefile(lines, 'Xcall_const.vim', 'D')
Bram Moolenaar9bd5d872020-09-06 21:47:48 +02002338 assert_fails('source Xcall_const.vim', 'E46:', '', 1, 'MyFunc')
Bram Moolenaar3bdc90b2020-12-22 20:35:40 +01002339
2340 lines =<< trim END
2341 const g:Aconst = 77
2342 def Change()
2343 # comment
2344 g:Aconst = 99
2345 enddef
2346 call Change()
2347 unlet g:Aconst
2348 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002349 v9.CheckScriptFailure(lines, 'E741: Value is locked: Aconst', 2)
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002350enddef
2351
2352" Test that inside :function a Python function can be defined, :def is not
2353" recognized.
2354func Test_function_python()
2355 CheckFeature python3
Bram Moolenaar727345e2020-09-27 23:33:59 +02002356 let py = 'python3'
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002357 execute py "<< EOF"
2358def do_something():
2359 return 1
2360EOF
2361endfunc
2362
2363def Test_delfunc()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002364 var lines =<< trim END
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002365 vim9script
Bram Moolenaar4c17ad92020-04-27 22:47:51 +02002366 def g:GoneSoon()
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002367 echo 'hello'
2368 enddef
2369
2370 def CallGoneSoon()
Bram Moolenaar62aec932022-01-29 21:45:34 +00002371 g:GoneSoon()
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002372 enddef
Bram Moolenaar822ba242020-05-24 23:00:18 +02002373 defcompile
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002374
Bram Moolenaar4c17ad92020-04-27 22:47:51 +02002375 delfunc g:GoneSoon
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002376 CallGoneSoon()
2377 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +01002378 writefile(lines, 'XToDelFunc', 'D')
Bram Moolenaar9bd5d872020-09-06 21:47:48 +02002379 assert_fails('so XToDelFunc', 'E933:', '', 1, 'CallGoneSoon')
2380 assert_fails('so XToDelFunc', 'E933:', '', 1, 'CallGoneSoon')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002381enddef
2382
Bram Moolenaar7509ad82021-12-14 18:14:37 +00002383func Test_free_dict_while_in_funcstack()
2384 " relies on the sleep command
2385 CheckUnix
2386 call Run_Test_free_dict_while_in_funcstack()
2387endfunc
2388
2389def Run_Test_free_dict_while_in_funcstack()
Bram Moolenaar7509ad82021-12-14 18:14:37 +00002390 # this was freeing the TermRun() default argument dictionary while it was
2391 # still referenced in a funcstack_T
2392 var lines =<< trim END
2393 vim9script
2394
2395 &updatetime = 400
2396 def TermRun(_ = {})
2397 def Post()
2398 enddef
2399 def Exec()
2400 term_start('sleep 1', {
2401 term_finish: 'close',
2402 exit_cb: (_, _) => Post(),
2403 })
2404 enddef
2405 Exec()
2406 enddef
2407 nnoremap <F4> <Cmd>call <SID>TermRun()<CR>
2408 timer_start(100, (_) => feedkeys("\<F4>"))
2409 timer_start(1000, (_) => feedkeys("\<F4>"))
2410 sleep 1500m
2411 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002412 v9.CheckScriptSuccess(lines)
Bram Moolenaar7509ad82021-12-14 18:14:37 +00002413 nunmap <F4>
2414 set updatetime&
2415enddef
2416
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002417def Test_redef_failure()
Bram Moolenaard2c61702020-09-06 15:58:36 +02002418 writefile(['def Func0(): string', 'return "Func0"', 'enddef'], 'Xdef')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002419 so Xdef
Bram Moolenaard2c61702020-09-06 15:58:36 +02002420 writefile(['def Func1(): string', 'return "Func1"', 'enddef'], 'Xdef')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002421 so Xdef
Bram Moolenaard2c61702020-09-06 15:58:36 +02002422 writefile(['def! Func0(): string', 'enddef', 'defcompile'], 'Xdef')
Bram Moolenaar9bd5d872020-09-06 21:47:48 +02002423 assert_fails('so Xdef', 'E1027:', '', 1, 'Func0')
Bram Moolenaard2c61702020-09-06 15:58:36 +02002424 writefile(['def Func2(): string', 'return "Func2"', 'enddef'], 'Xdef')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002425 so Xdef
Bram Moolenaard2c61702020-09-06 15:58:36 +02002426 delete('Xdef')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002427
Bram Moolenaar701cc6c2021-04-10 13:33:48 +02002428 assert_fails('g:Func0()', 'E1091:')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002429 g:Func1()->assert_equal('Func1')
2430 g:Func2()->assert_equal('Func2')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002431
2432 delfunc! Func0
2433 delfunc! Func1
2434 delfunc! Func2
2435enddef
2436
Bram Moolenaarf93c7fe2020-04-23 22:16:53 +02002437def Test_vim9script_func()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002438 var lines =<< trim END
Bram Moolenaarf93c7fe2020-04-23 22:16:53 +02002439 vim9script
2440 func Func(arg)
2441 echo a:arg
2442 endfunc
2443 Func('text')
2444 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +01002445 writefile(lines, 'XVim9Func', 'D')
Bram Moolenaarf93c7fe2020-04-23 22:16:53 +02002446 so XVim9Func
Bram Moolenaarf93c7fe2020-04-23 22:16:53 +02002447enddef
2448
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002449let s:funcResult = 0
2450
2451def FuncNoArgNoRet()
Bram Moolenaar53900992020-08-22 19:02:02 +02002452 s:funcResult = 11
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002453enddef
2454
2455def FuncNoArgRetNumber(): number
Bram Moolenaar53900992020-08-22 19:02:02 +02002456 s:funcResult = 22
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002457 return 1234
2458enddef
2459
Bram Moolenaarec5929d2020-04-07 20:53:39 +02002460def FuncNoArgRetString(): string
Bram Moolenaar53900992020-08-22 19:02:02 +02002461 s:funcResult = 45
Bram Moolenaarec5929d2020-04-07 20:53:39 +02002462 return 'text'
2463enddef
2464
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002465def FuncOneArgNoRet(arg: number)
Bram Moolenaar53900992020-08-22 19:02:02 +02002466 s:funcResult = arg
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002467enddef
2468
2469def FuncOneArgRetNumber(arg: number): number
Bram Moolenaar53900992020-08-22 19:02:02 +02002470 s:funcResult = arg
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002471 return arg
2472enddef
2473
Bram Moolenaar08938ee2020-04-11 23:17:17 +02002474def FuncTwoArgNoRet(one: bool, two: number)
Bram Moolenaar53900992020-08-22 19:02:02 +02002475 s:funcResult = two
Bram Moolenaar08938ee2020-04-11 23:17:17 +02002476enddef
2477
Bram Moolenaar62aec932022-01-29 21:45:34 +00002478def s:FuncOneArgRetString(arg: string): string
Bram Moolenaarec5929d2020-04-07 20:53:39 +02002479 return arg
2480enddef
2481
Bram Moolenaar62aec932022-01-29 21:45:34 +00002482def s:FuncOneArgRetAny(arg: any): any
Bram Moolenaar89228602020-04-05 22:14:54 +02002483 return arg
2484enddef
2485
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002486def Test_func_type()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002487 var Ref1: func()
Bram Moolenaar53900992020-08-22 19:02:02 +02002488 s:funcResult = 0
Bram Moolenaar62aec932022-01-29 21:45:34 +00002489 Ref1 = g:FuncNoArgNoRet
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002490 Ref1()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002491 s:funcResult->assert_equal(11)
Bram Moolenaar4c683752020-04-05 21:38:23 +02002492
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002493 var Ref2: func
Bram Moolenaar53900992020-08-22 19:02:02 +02002494 s:funcResult = 0
Bram Moolenaar62aec932022-01-29 21:45:34 +00002495 Ref2 = g:FuncNoArgNoRet
Bram Moolenaar4c683752020-04-05 21:38:23 +02002496 Ref2()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002497 s:funcResult->assert_equal(11)
Bram Moolenaar4c683752020-04-05 21:38:23 +02002498
Bram Moolenaar53900992020-08-22 19:02:02 +02002499 s:funcResult = 0
Bram Moolenaar62aec932022-01-29 21:45:34 +00002500 Ref2 = g:FuncOneArgNoRet
Bram Moolenaar4c683752020-04-05 21:38:23 +02002501 Ref2(12)
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002502 s:funcResult->assert_equal(12)
Bram Moolenaar4c683752020-04-05 21:38:23 +02002503
Bram Moolenaar53900992020-08-22 19:02:02 +02002504 s:funcResult = 0
Bram Moolenaar62aec932022-01-29 21:45:34 +00002505 Ref2 = g:FuncNoArgRetNumber
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002506 Ref2()->assert_equal(1234)
2507 s:funcResult->assert_equal(22)
Bram Moolenaar4c683752020-04-05 21:38:23 +02002508
Bram Moolenaar53900992020-08-22 19:02:02 +02002509 s:funcResult = 0
Bram Moolenaar848fadd2022-01-30 15:28:30 +00002510 Ref2 = g:FuncOneArgRetNumber
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002511 Ref2(13)->assert_equal(13)
2512 s:funcResult->assert_equal(13)
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002513enddef
2514
Bram Moolenaar9978d472020-07-05 16:01:56 +02002515def Test_repeat_return_type()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002516 var res = 0
Bram Moolenaar9978d472020-07-05 16:01:56 +02002517 for n in repeat([1], 3)
2518 res += n
2519 endfor
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002520 res->assert_equal(3)
Bram Moolenaarfce82b32020-07-05 16:07:21 +02002521
2522 res = 0
Bakudankun375141e2022-09-09 18:46:47 +01002523 for n in repeat(0z01, 3)->blob2list()
2524 res += n
2525 endfor
2526 res->assert_equal(3)
2527
2528 res = 0
Bram Moolenaarfce82b32020-07-05 16:07:21 +02002529 for n in add([1, 2], 3)
2530 res += n
2531 endfor
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002532 res->assert_equal(6)
Bram Moolenaar9978d472020-07-05 16:01:56 +02002533enddef
2534
Bram Moolenaar846178a2020-07-05 17:04:13 +02002535def Test_argv_return_type()
2536 next fileone filetwo
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002537 var res = ''
Bram Moolenaar846178a2020-07-05 17:04:13 +02002538 for name in argv()
2539 res ..= name
2540 endfor
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002541 res->assert_equal('fileonefiletwo')
Bram Moolenaar846178a2020-07-05 17:04:13 +02002542enddef
2543
Bram Moolenaarec5929d2020-04-07 20:53:39 +02002544def Test_func_type_part()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002545 var RefVoid: func: void
Bram Moolenaar62aec932022-01-29 21:45:34 +00002546 RefVoid = g:FuncNoArgNoRet
2547 RefVoid = g:FuncOneArgNoRet
2548 v9.CheckDefFailure(['var RefVoid: func: void', 'RefVoid = g:FuncNoArgRetNumber'], 'E1012: Type mismatch; expected func(...) but got func(): number')
Bram Moolenaar848fadd2022-01-30 15:28:30 +00002549 v9.CheckDefFailure(['var RefVoid: func: void', 'RefVoid = g:FuncNoArgRetString'], 'E1012: Type mismatch; expected func(...) but got func(): string')
Bram Moolenaarec5929d2020-04-07 20:53:39 +02002550
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002551 var RefAny: func(): any
Bram Moolenaar62aec932022-01-29 21:45:34 +00002552 RefAny = g:FuncNoArgRetNumber
Bram Moolenaar848fadd2022-01-30 15:28:30 +00002553 RefAny = g:FuncNoArgRetString
Bram Moolenaar62aec932022-01-29 21:45:34 +00002554 v9.CheckDefFailure(['var RefAny: func(): any', 'RefAny = g:FuncNoArgNoRet'], 'E1012: Type mismatch; expected func(): any but got func()')
2555 v9.CheckDefFailure(['var RefAny: func(): any', 'RefAny = g:FuncOneArgNoRet'], 'E1012: Type mismatch; expected func(): any but got func(number)')
Bram Moolenaarec5929d2020-04-07 20:53:39 +02002556
Bram Moolenaar6abd3dc2020-10-04 14:17:32 +02002557 var RefAnyNoArgs: func: any = RefAny
2558
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002559 var RefNr: func: number
Bram Moolenaar62aec932022-01-29 21:45:34 +00002560 RefNr = g:FuncNoArgRetNumber
Bram Moolenaar848fadd2022-01-30 15:28:30 +00002561 RefNr = g:FuncOneArgRetNumber
Bram Moolenaar62aec932022-01-29 21:45:34 +00002562 v9.CheckDefFailure(['var RefNr: func: number', 'RefNr = g:FuncNoArgNoRet'], 'E1012: Type mismatch; expected func(...): number but got func()')
Bram Moolenaar848fadd2022-01-30 15:28:30 +00002563 v9.CheckDefFailure(['var RefNr: func: number', 'RefNr = g:FuncNoArgRetString'], 'E1012: Type mismatch; expected func(...): number but got func(): string')
Bram Moolenaarec5929d2020-04-07 20:53:39 +02002564
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002565 var RefStr: func: string
Bram Moolenaar848fadd2022-01-30 15:28:30 +00002566 RefStr = g:FuncNoArgRetString
Bram Moolenaarec5929d2020-04-07 20:53:39 +02002567 RefStr = FuncOneArgRetString
Bram Moolenaar62aec932022-01-29 21:45:34 +00002568 v9.CheckDefFailure(['var RefStr: func: string', 'RefStr = g:FuncNoArgNoRet'], 'E1012: Type mismatch; expected func(...): string but got func()')
2569 v9.CheckDefFailure(['var RefStr: func: string', 'RefStr = g:FuncNoArgRetNumber'], 'E1012: Type mismatch; expected func(...): string but got func(): number')
Bram Moolenaarec5929d2020-04-07 20:53:39 +02002570enddef
2571
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002572def Test_func_type_fails()
Bram Moolenaar62aec932022-01-29 21:45:34 +00002573 v9.CheckDefFailure(['var ref1: func()'], 'E704:')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002574
Bram Moolenaar62aec932022-01-29 21:45:34 +00002575 v9.CheckDefFailure(['var Ref1: func()', 'Ref1 = g:FuncNoArgRetNumber'], 'E1012: Type mismatch; expected func() but got func(): number')
2576 v9.CheckDefFailure(['var Ref1: func()', 'Ref1 = g:FuncOneArgNoRet'], 'E1012: Type mismatch; expected func() but got func(number)')
Bram Moolenaar848fadd2022-01-30 15:28:30 +00002577 v9.CheckDefFailure(['var Ref1: func()', 'Ref1 = g:FuncOneArgRetNumber'], 'E1012: Type mismatch; expected func() but got func(number): number')
Bram Moolenaar62aec932022-01-29 21:45:34 +00002578 v9.CheckDefFailure(['var Ref1: func(bool)', 'Ref1 = g:FuncTwoArgNoRet'], 'E1012: Type mismatch; expected func(bool) but got func(bool, number)')
2579 v9.CheckDefFailure(['var Ref1: func(?bool)', 'Ref1 = g:FuncTwoArgNoRet'], 'E1012: Type mismatch; expected func(?bool) but got func(bool, number)')
2580 v9.CheckDefFailure(['var Ref1: func(...bool)', 'Ref1 = g:FuncTwoArgNoRet'], 'E1012: Type mismatch; expected func(...bool) but got func(bool, number)')
Bram Moolenaar08938ee2020-04-11 23:17:17 +02002581
Bram Moolenaar62aec932022-01-29 21:45:34 +00002582 v9.CheckDefFailure(['var RefWrong: func(string ,number)'], 'E1068:')
2583 v9.CheckDefFailure(['var RefWrong: func(string,number)'], 'E1069:')
2584 v9.CheckDefFailure(['var RefWrong: func(bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool)'], 'E1005:')
2585 v9.CheckDefFailure(['var RefWrong: func(bool):string'], 'E1069:')
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002586enddef
2587
Bram Moolenaar89228602020-04-05 22:14:54 +02002588def Test_func_return_type()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002589 var nr: number
Bram Moolenaar62aec932022-01-29 21:45:34 +00002590 nr = g:FuncNoArgRetNumber()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002591 nr->assert_equal(1234)
Bram Moolenaar89228602020-04-05 22:14:54 +02002592
2593 nr = FuncOneArgRetAny(122)
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002594 nr->assert_equal(122)
Bram Moolenaar89228602020-04-05 22:14:54 +02002595
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002596 var str: string
Bram Moolenaar89228602020-04-05 22:14:54 +02002597 str = FuncOneArgRetAny('yes')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002598 str->assert_equal('yes')
Bram Moolenaar89228602020-04-05 22:14:54 +02002599
Bram Moolenaar62aec932022-01-29 21:45:34 +00002600 v9.CheckDefFailure(['var str: string', 'str = g:FuncNoArgRetNumber()'], 'E1012: Type mismatch; expected string but got number')
Bram Moolenaar89228602020-04-05 22:14:54 +02002601enddef
2602
Bram Moolenaar6abd3dc2020-10-04 14:17:32 +02002603def Test_func_common_type()
2604 def FuncOne(n: number): number
2605 return n
2606 enddef
2607 def FuncTwo(s: string): number
2608 return len(s)
2609 enddef
2610 def FuncThree(n: number, s: string): number
2611 return n + len(s)
2612 enddef
2613 var list = [FuncOne, FuncTwo, FuncThree]
2614 assert_equal(8, list[0](8))
2615 assert_equal(4, list[1]('word'))
2616 assert_equal(7, list[2](3, 'word'))
2617enddef
2618
Bram Moolenaar62aec932022-01-29 21:45:34 +00002619def s:MultiLine(
Bram Moolenaar5e774c72020-04-12 21:53:00 +02002620 arg1: string,
2621 arg2 = 1234,
2622 ...rest: list<string>
2623 ): string
2624 return arg1 .. arg2 .. join(rest, '-')
2625enddef
2626
Bram Moolenaar2c330432020-04-13 14:41:35 +02002627def MultiLineComment(
2628 arg1: string, # comment
2629 arg2 = 1234, # comment
2630 ...rest: list<string> # comment
2631 ): string # comment
2632 return arg1 .. arg2 .. join(rest, '-')
2633enddef
2634
Bram Moolenaar5e774c72020-04-12 21:53:00 +02002635def Test_multiline()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002636 MultiLine('text')->assert_equal('text1234')
2637 MultiLine('text', 777)->assert_equal('text777')
2638 MultiLine('text', 777, 'one')->assert_equal('text777one')
2639 MultiLine('text', 777, 'one', 'two')->assert_equal('text777one-two')
Bram Moolenaar5e774c72020-04-12 21:53:00 +02002640enddef
2641
Bram Moolenaar23e03252020-04-12 22:22:31 +02002642func Test_multiline_not_vim9()
Bram Moolenaar62aec932022-01-29 21:45:34 +00002643 call s:MultiLine('text')->assert_equal('text1234')
2644 call s:MultiLine('text', 777)->assert_equal('text777')
2645 call s:MultiLine('text', 777, 'one')->assert_equal('text777one')
2646 call s:MultiLine('text', 777, 'one', 'two')->assert_equal('text777one-two')
Bram Moolenaar23e03252020-04-12 22:22:31 +02002647endfunc
2648
Bram Moolenaar5e774c72020-04-12 21:53:00 +02002649
Bram Moolenaaree4e0c12020-04-06 21:35:05 +02002650" When using CheckScriptFailure() for the below test, E1010 is generated instead
2651" of E1056.
2652func Test_E1056_1059()
2653 let caught_1056 = 0
2654 try
2655 def F():
2656 return 1
2657 enddef
2658 catch /E1056:/
2659 let caught_1056 = 1
2660 endtry
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002661 eval caught_1056->assert_equal(1)
Bram Moolenaaree4e0c12020-04-06 21:35:05 +02002662
2663 let caught_1059 = 0
2664 try
2665 def F5(items : list)
2666 echo 'a'
2667 enddef
2668 catch /E1059:/
2669 let caught_1059 = 1
2670 endtry
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002671 eval caught_1059->assert_equal(1)
Bram Moolenaaree4e0c12020-04-06 21:35:05 +02002672endfunc
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02002673
Bram Moolenaar015f4262020-05-05 21:25:22 +02002674func DelMe()
2675 echo 'DelMe'
2676endfunc
2677
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002678def Test_error_reporting()
2679 # comment lines at the start of the function
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002680 var lines =<< trim END
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002681 " comment
2682 def Func()
2683 # comment
2684 # comment
2685 invalid
2686 enddef
2687 defcompile
2688 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +01002689 writefile(lines, 'Xdef', 'D')
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002690 try
2691 source Xdef
Bram Moolenaar7517ffd2020-08-14 18:35:07 +02002692 assert_report('should have failed')
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002693 catch /E476:/
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002694 v:exception->assert_match('Invalid command: invalid')
2695 v:throwpoint->assert_match(', line 3$')
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002696 endtry
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002697 delfunc! g:Func
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002698
2699 # comment lines after the start of the function
2700 lines =<< trim END
2701 " comment
2702 def Func()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002703 var x = 1234
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002704 # comment
2705 # comment
2706 invalid
2707 enddef
2708 defcompile
2709 END
Bram Moolenaar08052222020-09-14 17:04:31 +02002710 writefile(lines, 'Xdef')
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002711 try
2712 source Xdef
Bram Moolenaar7517ffd2020-08-14 18:35:07 +02002713 assert_report('should have failed')
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002714 catch /E476:/
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002715 v:exception->assert_match('Invalid command: invalid')
2716 v:throwpoint->assert_match(', line 4$')
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002717 endtry
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002718 delfunc! g:Func
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002719
Bram Moolenaar7517ffd2020-08-14 18:35:07 +02002720 lines =<< trim END
2721 vim9script
2722 def Func()
Bram Moolenaare0de1712020-12-02 17:36:54 +01002723 var db = {foo: 1, bar: 2}
Bram Moolenaar7517ffd2020-08-14 18:35:07 +02002724 # comment
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002725 var x = db.asdf
Bram Moolenaar7517ffd2020-08-14 18:35:07 +02002726 enddef
2727 defcompile
2728 Func()
2729 END
Bram Moolenaar08052222020-09-14 17:04:31 +02002730 writefile(lines, 'Xdef')
Bram Moolenaar7517ffd2020-08-14 18:35:07 +02002731 try
2732 source Xdef
2733 assert_report('should have failed')
2734 catch /E716:/
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002735 v:throwpoint->assert_match('_Func, line 3$')
Bram Moolenaar7517ffd2020-08-14 18:35:07 +02002736 endtry
Bram Moolenaar2d870f82020-12-05 13:41:01 +01002737 delfunc! g:Func
Bram Moolenaarbf8feb52020-08-08 14:26:31 +02002738enddef
2739
Bram Moolenaar015f4262020-05-05 21:25:22 +02002740def Test_deleted_function()
Bram Moolenaar62aec932022-01-29 21:45:34 +00002741 v9.CheckDefExecFailure([
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002742 'var RefMe: func = function("g:DelMe")',
Bram Moolenaar015f4262020-05-05 21:25:22 +02002743 'delfunc g:DelMe',
2744 'echo RefMe()'], 'E117:')
2745enddef
2746
2747def Test_unknown_function()
Bram Moolenaar62aec932022-01-29 21:45:34 +00002748 v9.CheckDefExecFailure([
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002749 'var Ref: func = function("NotExist")',
Bram Moolenaar9b7bf9e2020-07-11 22:14:59 +02002750 'delfunc g:NotExist'], 'E700:')
Bram Moolenaar015f4262020-05-05 21:25:22 +02002751enddef
2752
Bram Moolenaar62aec932022-01-29 21:45:34 +00002753def s:RefFunc(Ref: func(any): any): string
Bram Moolenaarc8cd2b32020-05-01 19:29:08 +02002754 return Ref('more')
2755enddef
2756
2757def Test_closure_simple()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002758 var local = 'some '
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01002759 RefFunc((s) => local .. s)->assert_equal('some more')
Bram Moolenaarc8cd2b32020-05-01 19:29:08 +02002760enddef
2761
Bram Moolenaar62aec932022-01-29 21:45:34 +00002762def s:MakeRef()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002763 var local = 'some '
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01002764 g:Ref = (s) => local .. s
Bram Moolenaarbf67ea12020-05-02 17:52:42 +02002765enddef
2766
2767def Test_closure_ref_after_return()
2768 MakeRef()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002769 g:Ref('thing')->assert_equal('some thing')
Bram Moolenaarbf67ea12020-05-02 17:52:42 +02002770 unlet g:Ref
2771enddef
2772
Bram Moolenaar62aec932022-01-29 21:45:34 +00002773def s:MakeTwoRefs()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002774 var local = ['some']
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01002775 g:Extend = (s) => local->add(s)
2776 g:Read = () => local
Bram Moolenaar5adc55c2020-05-02 23:12:58 +02002777enddef
2778
2779def Test_closure_two_refs()
2780 MakeTwoRefs()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002781 join(g:Read(), ' ')->assert_equal('some')
Bram Moolenaar5adc55c2020-05-02 23:12:58 +02002782 g:Extend('more')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002783 join(g:Read(), ' ')->assert_equal('some more')
Bram Moolenaar5adc55c2020-05-02 23:12:58 +02002784 g:Extend('even')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002785 join(g:Read(), ' ')->assert_equal('some more even')
Bram Moolenaar5adc55c2020-05-02 23:12:58 +02002786
2787 unlet g:Extend
2788 unlet g:Read
2789enddef
2790
Bram Moolenaar62aec932022-01-29 21:45:34 +00002791def s:ReadRef(Ref: func(): list<string>): string
Bram Moolenaar5adc55c2020-05-02 23:12:58 +02002792 return join(Ref(), ' ')
2793enddef
2794
Bram Moolenaar62aec932022-01-29 21:45:34 +00002795def s:ExtendRef(Ref: func(string): list<string>, add: string)
Bram Moolenaar5adc55c2020-05-02 23:12:58 +02002796 Ref(add)
2797enddef
2798
2799def Test_closure_two_indirect_refs()
Bram Moolenaarf7779c62020-05-03 15:38:16 +02002800 MakeTwoRefs()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002801 ReadRef(g:Read)->assert_equal('some')
Bram Moolenaar5adc55c2020-05-02 23:12:58 +02002802 ExtendRef(g:Extend, 'more')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002803 ReadRef(g:Read)->assert_equal('some more')
Bram Moolenaar5adc55c2020-05-02 23:12:58 +02002804 ExtendRef(g:Extend, 'even')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002805 ReadRef(g:Read)->assert_equal('some more even')
Bram Moolenaar5adc55c2020-05-02 23:12:58 +02002806
2807 unlet g:Extend
2808 unlet g:Read
2809enddef
Bram Moolenaarbf67ea12020-05-02 17:52:42 +02002810
Bram Moolenaar62aec932022-01-29 21:45:34 +00002811def s:MakeArgRefs(theArg: string)
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002812 var local = 'loc_val'
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01002813 g:UseArg = (s) => theArg .. '/' .. local .. '/' .. s
Bram Moolenaar2fd4cd72020-05-03 22:30:49 +02002814enddef
2815
Bram Moolenaar62aec932022-01-29 21:45:34 +00002816def s:MakeArgRefsVarargs(theArg: string, ...rest: list<string>)
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002817 var local = 'the_loc'
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01002818 g:UseVararg = (s) => theArg .. '/' .. local .. '/' .. s .. '/' .. join(rest)
Bram Moolenaar2fd4cd72020-05-03 22:30:49 +02002819enddef
2820
2821def Test_closure_using_argument()
2822 MakeArgRefs('arg_val')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002823 g:UseArg('call_val')->assert_equal('arg_val/loc_val/call_val')
Bram Moolenaar2fd4cd72020-05-03 22:30:49 +02002824
2825 MakeArgRefsVarargs('arg_val', 'one', 'two')
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002826 g:UseVararg('call_val')->assert_equal('arg_val/the_loc/call_val/one two')
Bram Moolenaar2fd4cd72020-05-03 22:30:49 +02002827
2828 unlet g:UseArg
2829 unlet g:UseVararg
Bram Moolenaar44ec21c2021-02-12 21:50:57 +01002830
2831 var lines =<< trim END
2832 vim9script
2833 def Test(Fun: func(number): number): list<number>
2834 return map([1, 2, 3], (_, i) => Fun(i))
2835 enddef
2836 def Inc(nr: number): number
2837 return nr + 2
2838 enddef
2839 assert_equal([3, 4, 5], Test(Inc))
2840 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002841 v9.CheckScriptSuccess(lines)
Bram Moolenaar2fd4cd72020-05-03 22:30:49 +02002842enddef
2843
Bram Moolenaar62aec932022-01-29 21:45:34 +00002844def s:MakeGetAndAppendRefs()
Bram Moolenaar85d5e2b2020-10-10 14:13:01 +02002845 var local = 'a'
2846
2847 def Append(arg: string)
2848 local ..= arg
2849 enddef
2850 g:Append = Append
2851
2852 def Get(): string
2853 return local
2854 enddef
2855 g:Get = Get
2856enddef
2857
2858def Test_closure_append_get()
2859 MakeGetAndAppendRefs()
2860 g:Get()->assert_equal('a')
2861 g:Append('-b')
2862 g:Get()->assert_equal('a-b')
2863 g:Append('-c')
2864 g:Get()->assert_equal('a-b-c')
2865
2866 unlet g:Append
2867 unlet g:Get
2868enddef
Bram Moolenaarb68b3462020-05-06 21:06:30 +02002869
Bram Moolenaar04b12692020-05-04 23:24:44 +02002870def Test_nested_closure()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002871 var local = 'text'
Bram Moolenaar04b12692020-05-04 23:24:44 +02002872 def Closure(arg: string): string
2873 return local .. arg
2874 enddef
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002875 Closure('!!!')->assert_equal('text!!!')
Bram Moolenaar04b12692020-05-04 23:24:44 +02002876enddef
2877
Bram Moolenaar62aec932022-01-29 21:45:34 +00002878func s:GetResult(Ref)
Bram Moolenaar6f5b6df2020-05-16 21:20:12 +02002879 return a:Ref('some')
2880endfunc
2881
2882def Test_call_closure_not_compiled()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002883 var text = 'text'
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01002884 g:Ref = (s) => s .. text
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02002885 GetResult(g:Ref)->assert_equal('sometext')
Bram Moolenaar6f5b6df2020-05-16 21:20:12 +02002886enddef
2887
Bram Moolenaar7cbfaa52020-09-18 21:25:32 +02002888def Test_double_closure_fails()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002889 var lines =<< trim END
Bram Moolenaar7cbfaa52020-09-18 21:25:32 +02002890 vim9script
2891 def Func()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002892 var name = 0
2893 for i in range(2)
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01002894 timer_start(0, () => name)
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002895 endfor
Bram Moolenaar7cbfaa52020-09-18 21:25:32 +02002896 enddef
2897 Func()
2898 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002899 v9.CheckScriptSuccess(lines)
Bram Moolenaar7cbfaa52020-09-18 21:25:32 +02002900enddef
2901
Bram Moolenaar85d5e2b2020-10-10 14:13:01 +02002902def Test_nested_closure_used()
2903 var lines =<< trim END
2904 vim9script
2905 def Func()
2906 var x = 'hello'
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01002907 var Closure = () => x
2908 g:Myclosure = () => Closure()
Bram Moolenaar85d5e2b2020-10-10 14:13:01 +02002909 enddef
2910 Func()
2911 assert_equal('hello', g:Myclosure())
2912 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002913 v9.CheckScriptSuccess(lines)
Bram Moolenaar85d5e2b2020-10-10 14:13:01 +02002914enddef
Bram Moolenaar0876c782020-10-07 19:08:04 +02002915
Bram Moolenaarc70bdab2020-09-26 19:59:38 +02002916def Test_nested_closure_fails()
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02002917 var lines =<< trim END
Bram Moolenaarc70bdab2020-09-26 19:59:38 +02002918 vim9script
2919 def FuncA()
2920 FuncB(0)
2921 enddef
2922 def FuncB(n: number): list<string>
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01002923 return map([0], (_, v) => n)
Bram Moolenaarc70bdab2020-09-26 19:59:38 +02002924 enddef
2925 FuncA()
2926 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002927 v9.CheckScriptFailure(lines, 'E1012:')
Bram Moolenaarc70bdab2020-09-26 19:59:38 +02002928enddef
2929
Bram Moolenaar6de22962022-09-09 21:35:36 +01002930def Run_Test_closure_in_for_loop_fails()
2931 var lines =<< trim END
2932 vim9script
2933 for n in [0]
2934 timer_start(10, (_) => {
2935 echo n
2936 })
2937 endfor
2938 END
2939 writefile(lines, 'XTest_closure_fails', 'D')
2940
2941 # Check that an error shows
Bram Moolenaarc069ede2022-09-11 12:01:04 +01002942 var buf = g:RunVimInTerminal('-S XTest_closure_fails', {rows: 6, wait_for_ruler: 0})
Bram Moolenaar6de22962022-09-09 21:35:36 +01002943 g:VerifyScreenDump(buf, 'Test_vim9_closure_fails', {})
2944
2945 # clean up
2946 g:StopVimInTerminal(buf)
2947enddef
2948
2949func Test_closure_in_for_loop_fails()
2950 CheckScreendump
2951 call Run_Test_closure_in_for_loop_fails()
2952endfunc
2953
Bram Moolenaarf112f302020-12-20 17:47:52 +01002954def Test_global_closure()
2955 var lines =<< trim END
2956 vim9script
2957 def ReverseEveryNLines(n: number, line1: number, line2: number)
2958 var mods = 'sil keepj keepp lockm '
2959 var range = ':' .. line1 .. ',' .. line2
2960 def g:Offset(): number
2961 var offset = (line('.') - line1 + 1) % n
2962 return offset != 0 ? offset : n
2963 enddef
2964 exe mods .. range .. 'g/^/exe "m .-" .. g:Offset()'
2965 enddef
2966
2967 new
2968 repeat(['aaa', 'bbb', 'ccc'], 3)->setline(1)
2969 ReverseEveryNLines(3, 1, 9)
2970 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002971 v9.CheckScriptSuccess(lines)
Bram Moolenaarf112f302020-12-20 17:47:52 +01002972 var expected = repeat(['ccc', 'bbb', 'aaa'], 3)
2973 assert_equal(expected, getline(1, 9))
2974 bwipe!
2975enddef
2976
Bram Moolenaarcd45ed02020-12-22 17:35:54 +01002977def Test_global_closure_called_directly()
2978 var lines =<< trim END
2979 vim9script
2980 def Outer()
2981 var x = 1
2982 def g:Inner()
2983 var y = x
2984 x += 1
2985 assert_equal(1, y)
2986 enddef
2987 g:Inner()
2988 assert_equal(2, x)
2989 enddef
2990 Outer()
2991 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00002992 v9.CheckScriptSuccess(lines)
Bram Moolenaarcd45ed02020-12-22 17:35:54 +01002993 delfunc g:Inner
2994enddef
2995
Bram Moolenaar69c76172021-12-02 16:38:52 +00002996def Test_closure_called_from_legacy()
2997 var lines =<< trim END
2998 vim9script
2999 def Func()
3000 var outer = 'foo'
3001 var F = () => {
3002 outer = 'bar'
3003 }
3004 execute printf('call %s()', string(F))
3005 enddef
3006 Func()
3007 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003008 v9.CheckScriptFailure(lines, 'E1248')
Bram Moolenaar69c76172021-12-02 16:38:52 +00003009enddef
3010
Bram Moolenaar34c54eb2020-11-25 19:15:19 +01003011def Test_failure_in_called_function()
3012 # this was using the frame index as the return value
3013 var lines =<< trim END
3014 vim9script
3015 au TerminalWinOpen * eval [][0]
3016 def PopupTerm(a: any)
3017 # make sure typvals on stack are string
3018 ['a', 'b', 'c', 'd', 'e', 'f', 'g']->join()
3019 FireEvent()
3020 enddef
3021 def FireEvent()
3022 do TerminalWinOpen
3023 enddef
3024 # use try/catch to make eval fail
3025 try
3026 call PopupTerm(0)
3027 catch
3028 endtry
3029 au! TerminalWinOpen
3030 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003031 v9.CheckScriptSuccess(lines)
Bram Moolenaar34c54eb2020-11-25 19:15:19 +01003032enddef
3033
Bram Moolenaar5366e1a2020-10-01 13:01:34 +02003034def Test_nested_lambda()
3035 var lines =<< trim END
3036 vim9script
3037 def Func()
3038 var x = 4
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01003039 var Lambda1 = () => 7
3040 var Lambda2 = () => [Lambda1(), x]
Bram Moolenaar5366e1a2020-10-01 13:01:34 +02003041 var res = Lambda2()
3042 assert_equal([7, 4], res)
3043 enddef
3044 Func()
3045 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003046 v9.CheckScriptSuccess(lines)
Bram Moolenaar5366e1a2020-10-01 13:01:34 +02003047enddef
3048
Bram Moolenaarc04f2a42021-06-09 19:30:03 +02003049def Test_double_nested_lambda()
3050 var lines =<< trim END
3051 vim9script
3052 def F(head: string): func(string): func(string): string
3053 return (sep: string): func(string): string => ((tail: string): string => {
3054 return head .. sep .. tail
3055 })
3056 enddef
3057 assert_equal('hello-there', F('hello')('-')('there'))
3058 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003059 v9.CheckScriptSuccess(lines)
Bram Moolenaarc04f2a42021-06-09 19:30:03 +02003060enddef
3061
Bram Moolenaar074f84c2021-05-18 11:47:44 +02003062def Test_nested_inline_lambda()
Bram Moolenaar074f84c2021-05-18 11:47:44 +02003063 var lines =<< trim END
3064 vim9script
3065 def F(text: string): func(string): func(string): string
3066 return (arg: string): func(string): string => ((sep: string): string => {
Bram Moolenaar23e2e112021-08-03 21:16:18 +02003067 return sep .. arg .. text
Bram Moolenaar074f84c2021-05-18 11:47:44 +02003068 })
3069 enddef
Bram Moolenaar23e2e112021-08-03 21:16:18 +02003070 assert_equal('--there++', F('++')('there')('--'))
Bram Moolenaar074f84c2021-05-18 11:47:44 +02003071 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003072 v9.CheckScriptSuccess(lines)
Bram Moolenaar5245beb2021-07-15 22:03:50 +02003073
3074 lines =<< trim END
3075 vim9script
3076 echo range(4)->mapnew((_, v) => {
3077 return range(v) ->mapnew((_, s) => {
3078 return string(s)
3079 })
3080 })
3081 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003082 v9.CheckScriptSuccess(lines)
Bram Moolenaarc6ba2f92021-07-18 13:42:29 +02003083
3084 lines =<< trim END
3085 vim9script
3086
Bram Moolenaara749a422022-02-12 19:52:25 +00003087 def Func()
Bram Moolenaarc6ba2f92021-07-18 13:42:29 +02003088 range(10)
3089 ->mapnew((_, _) => ({
3090 key: range(10)->mapnew((_, _) => {
3091 return ' '
3092 }),
3093 }))
3094 enddef
3095
3096 defcomp
3097 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003098 v9.CheckScriptSuccess(lines)
Bram Moolenaar074f84c2021-05-18 11:47:44 +02003099enddef
3100
Bram Moolenaar52bf81c2020-11-17 18:50:44 +01003101def Shadowed(): list<number>
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01003102 var FuncList: list<func: number> = [() => 42]
Bram Moolenaar75ab91f2021-01-10 22:42:50 +01003103 return FuncList->mapnew((_, Shadowed) => Shadowed())
Bram Moolenaar52bf81c2020-11-17 18:50:44 +01003104enddef
3105
3106def Test_lambda_arg_shadows_func()
Bram Moolenaar62aec932022-01-29 21:45:34 +00003107 assert_equal([42], g:Shadowed())
Bram Moolenaar52bf81c2020-11-17 18:50:44 +01003108enddef
3109
Bram Moolenaar21dc8f12022-03-16 17:54:17 +00003110def Test_compiling_referenced_func_no_shadow()
3111 var lines =<< trim END
3112 vim9script
3113
3114 def InitializeReply(lspserver: dict<any>)
3115 enddef
3116
3117 def ProcessReply(lspserver: dict<any>)
3118 var lsp_reply_handlers: dict<func> =
3119 { 'initialize': InitializeReply }
3120 lsp_reply_handlers['initialize'](lspserver)
3121 enddef
3122
3123 call ProcessReply({})
3124 END
3125 v9.CheckScriptSuccess(lines)
3126enddef
3127
Bram Moolenaar62aec932022-01-29 21:45:34 +00003128def s:Line_continuation_in_def(dir: string = ''): string
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02003129 var path: string = empty(dir)
3130 \ ? 'empty'
3131 \ : 'full'
3132 return path
Bram Moolenaaracd4c5e2020-06-22 19:39:03 +02003133enddef
3134
3135def Test_line_continuation_in_def()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02003136 Line_continuation_in_def('.')->assert_equal('full')
Bram Moolenaaracd4c5e2020-06-22 19:39:03 +02003137enddef
3138
Bram Moolenaar2ea95b62020-11-19 21:47:56 +01003139def Test_script_var_in_lambda()
3140 var lines =<< trim END
3141 vim9script
3142 var script = 'test'
Bram Moolenaarbb8a7ce2021-04-10 20:10:26 +02003143 assert_equal(['test'], map(['one'], (_, _) => script))
Bram Moolenaar2ea95b62020-11-19 21:47:56 +01003144 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003145 v9.CheckScriptSuccess(lines)
Bram Moolenaar2ea95b62020-11-19 21:47:56 +01003146enddef
3147
Bram Moolenaar62aec932022-01-29 21:45:34 +00003148def s:Line_continuation_in_lambda(): list<string>
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02003149 var x = range(97, 100)
Bram Moolenaar75ab91f2021-01-10 22:42:50 +01003150 ->mapnew((_, v) => nr2char(v)
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01003151 ->toupper())
Bram Moolenaar7a4b8982020-07-08 17:36:21 +02003152 ->reverse()
3153 return x
3154enddef
3155
3156def Test_line_continuation_in_lambda()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02003157 Line_continuation_in_lambda()->assert_equal(['D', 'C', 'B', 'A'])
Bram Moolenaarf898f7c2021-01-16 18:09:52 +01003158
3159 var lines =<< trim END
3160 vim9script
3161 var res = [{n: 1, m: 2, s: 'xxx'}]
3162 ->mapnew((_, v: dict<any>): string => printf('%d:%d:%s',
3163 v.n,
3164 v.m,
3165 substitute(v.s, '.*', 'yyy', '')
3166 ))
3167 assert_equal(['1:2:yyy'], res)
3168 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003169 v9.CheckScriptSuccess(lines)
Bram Moolenaar7a4b8982020-07-08 17:36:21 +02003170enddef
3171
Bram Moolenaarb6571982021-01-08 22:24:19 +01003172def Test_list_lambda()
3173 timer_start(1000, (_) => 0)
3174 var body = execute(timer_info()[0].callback
3175 ->string()
3176 ->substitute("('", ' ', '')
3177 ->substitute("')", '', '')
3178 ->substitute('function\zs', ' ', ''))
Bram Moolenaar767034c2021-04-09 17:24:52 +02003179 assert_match('def <lambda>\d\+(_: any): number\n1 return 0\n enddef', body)
Bram Moolenaarb6571982021-01-08 22:24:19 +01003180enddef
3181
Bram Moolenaar3c77b6a2021-07-25 18:07:00 +02003182def Test_lambda_block_variable()
Bram Moolenaar88421d62021-07-24 14:14:52 +02003183 var lines =<< trim END
3184 vim9script
3185 var flist: list<func>
3186 for i in range(10)
3187 var inloop = i
3188 flist[i] = () => inloop
3189 endfor
3190 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003191 v9.CheckScriptSuccess(lines)
Bram Moolenaar88421d62021-07-24 14:14:52 +02003192
3193 lines =<< trim END
3194 vim9script
3195 if true
3196 var outloop = 5
3197 var flist: list<func>
3198 for i in range(10)
3199 flist[i] = () => outloop
3200 endfor
3201 endif
3202 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003203 v9.CheckScriptSuccess(lines)
Bram Moolenaar88421d62021-07-24 14:14:52 +02003204
3205 lines =<< trim END
3206 vim9script
3207 if true
3208 var outloop = 5
3209 endif
3210 var flist: list<func>
3211 for i in range(10)
3212 flist[i] = () => outloop
3213 endfor
3214 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003215 v9.CheckScriptFailure(lines, 'E1001: Variable not found: outloop', 1)
Bram Moolenaar3c77b6a2021-07-25 18:07:00 +02003216
3217 lines =<< trim END
3218 vim9script
3219 for i in range(10)
3220 var Ref = () => 0
3221 endfor
3222 assert_equal(0, ((i) => 0)(0))
3223 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003224 v9.CheckScriptSuccess(lines)
Bram Moolenaar88421d62021-07-24 14:14:52 +02003225enddef
3226
Bram Moolenaar96cf4ba2021-04-24 14:15:41 +02003227def Test_legacy_lambda()
3228 legacy echo {x -> 'hello ' .. x}('foo')
Bram Moolenaardc4c2302021-04-25 13:54:42 +02003229
Bram Moolenaar96cf4ba2021-04-24 14:15:41 +02003230 var lines =<< trim END
3231 echo {x -> 'hello ' .. x}('foo')
3232 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003233 v9.CheckDefAndScriptFailure(lines, 'E720:')
Bram Moolenaardc4c2302021-04-25 13:54:42 +02003234
3235 lines =<< trim END
3236 vim9script
3237 def Func()
3238 echo (() => 'no error')()
3239 enddef
3240 legacy call s:Func()
3241 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003242 v9.CheckScriptSuccess(lines)
Bram Moolenaar96cf4ba2021-04-24 14:15:41 +02003243enddef
3244
Bram Moolenaarce024c32021-06-26 13:00:49 +02003245def Test_legacy()
3246 var lines =<< trim END
3247 vim9script
3248 func g:LegacyFunction()
3249 let g:legacyvar = 1
3250 endfunc
3251 def Testit()
3252 legacy call g:LegacyFunction()
3253 enddef
3254 Testit()
3255 assert_equal(1, g:legacyvar)
3256 unlet g:legacyvar
3257 delfunc g:LegacyFunction
3258 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003259 v9.CheckScriptSuccess(lines)
Bram Moolenaarce024c32021-06-26 13:00:49 +02003260enddef
3261
Bram Moolenaarc3cb1c92021-06-02 16:47:53 +02003262def Test_legacy_errors()
3263 for cmd in ['if', 'elseif', 'else', 'endif',
3264 'for', 'endfor', 'continue', 'break',
3265 'while', 'endwhile',
3266 'try', 'catch', 'finally', 'endtry']
Bram Moolenaar62aec932022-01-29 21:45:34 +00003267 v9.CheckDefFailure(['legacy ' .. cmd .. ' expr'], 'E1189:')
Bram Moolenaarc3cb1c92021-06-02 16:47:53 +02003268 endfor
3269enddef
3270
Bram Moolenaarb1b6f4d2021-09-13 18:25:54 +02003271def Test_call_legacy_with_dict()
3272 var lines =<< trim END
3273 vim9script
3274 func Legacy() dict
3275 let g:result = self.value
3276 endfunc
3277 def TestDirect()
3278 var d = {value: 'yes', func: Legacy}
3279 d.func()
3280 enddef
3281 TestDirect()
3282 assert_equal('yes', g:result)
3283 unlet g:result
3284
3285 def TestIndirect()
3286 var d = {value: 'foo', func: Legacy}
3287 var Fi = d.func
3288 Fi()
3289 enddef
3290 TestIndirect()
3291 assert_equal('foo', g:result)
3292 unlet g:result
3293
3294 var d = {value: 'bar', func: Legacy}
3295 d.func()
3296 assert_equal('bar', g:result)
3297 unlet g:result
3298 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003299 v9.CheckScriptSuccess(lines)
Bram Moolenaarb1b6f4d2021-09-13 18:25:54 +02003300enddef
3301
Bram Moolenaar62aec932022-01-29 21:45:34 +00003302def s:DoFilterThis(a: string): list<string>
Bram Moolenaarab360522021-01-10 14:02:28 +01003303 # closure nested inside another closure using argument
3304 var Filter = (l) => filter(l, (_, v) => stridx(v, a) == 0)
3305 return ['x', 'y', 'a', 'x2', 'c']->Filter()
3306enddef
3307
3308def Test_nested_closure_using_argument()
3309 assert_equal(['x', 'x2'], DoFilterThis('x'))
3310enddef
3311
Bram Moolenaar0186e582021-01-10 18:33:11 +01003312def Test_triple_nested_closure()
3313 var what = 'x'
3314 var Match = (val: string, cmp: string): bool => stridx(val, cmp) == 0
3315 var Filter = (l) => filter(l, (_, v) => Match(v, what))
3316 assert_equal(['x', 'x2'], ['x', 'y', 'a', 'x2', 'c']->Filter())
3317enddef
3318
Bram Moolenaar8f510af2020-07-05 18:48:23 +02003319func Test_silent_echo()
Bram Moolenaar47e7d702020-07-05 18:18:42 +02003320 CheckScreendump
Bram Moolenaar3b309f12021-12-13 18:19:55 +00003321 call Run_Test_silent_echo()
3322endfunc
Bram Moolenaar47e7d702020-07-05 18:18:42 +02003323
Bram Moolenaar3b309f12021-12-13 18:19:55 +00003324def Run_Test_silent_echo()
3325 var lines =<< trim END
Bram Moolenaar47e7d702020-07-05 18:18:42 +02003326 vim9script
3327 def EchoNothing()
3328 silent echo ''
3329 enddef
3330 defcompile
3331 END
Bram Moolenaar6de22962022-09-09 21:35:36 +01003332 writefile(lines, 'XTest_silent_echo', 'D')
Bram Moolenaar47e7d702020-07-05 18:18:42 +02003333
Bram Moolenaar3b309f12021-12-13 18:19:55 +00003334 # Check that the balloon shows up after a mouse move
Bram Moolenaar62aec932022-01-29 21:45:34 +00003335 var buf = g:RunVimInTerminal('-S XTest_silent_echo', {'rows': 6})
Bram Moolenaar3b309f12021-12-13 18:19:55 +00003336 term_sendkeys(buf, ":abc")
Bram Moolenaar62aec932022-01-29 21:45:34 +00003337 g:VerifyScreenDump(buf, 'Test_vim9_silent_echo', {})
Bram Moolenaar47e7d702020-07-05 18:18:42 +02003338
Bram Moolenaar3b309f12021-12-13 18:19:55 +00003339 # clean up
Bram Moolenaar62aec932022-01-29 21:45:34 +00003340 g:StopVimInTerminal(buf)
Bram Moolenaar3b309f12021-12-13 18:19:55 +00003341enddef
Bram Moolenaar47e7d702020-07-05 18:18:42 +02003342
Bram Moolenaar171fb922020-10-28 16:54:47 +01003343def SilentlyError()
3344 execute('silent! invalid')
3345 g:did_it = 'yes'
3346enddef
3347
Bram Moolenaar62aec932022-01-29 21:45:34 +00003348func s:UserError()
Bram Moolenaar28ee8922020-10-28 20:20:00 +01003349 silent! invalid
3350endfunc
3351
3352def SilentlyUserError()
3353 UserError()
3354 g:did_it = 'yes'
3355enddef
Bram Moolenaar171fb922020-10-28 16:54:47 +01003356
3357" This can't be a :def function, because the assert would not be reached.
Bram Moolenaar171fb922020-10-28 16:54:47 +01003358func Test_ignore_silent_error()
3359 let g:did_it = 'no'
3360 call SilentlyError()
3361 call assert_equal('yes', g:did_it)
3362
Bram Moolenaar28ee8922020-10-28 20:20:00 +01003363 let g:did_it = 'no'
3364 call SilentlyUserError()
3365 call assert_equal('yes', g:did_it)
Bram Moolenaar171fb922020-10-28 16:54:47 +01003366
3367 unlet g:did_it
3368endfunc
3369
Bram Moolenaarcd030c42020-10-30 21:49:40 +01003370def Test_ignore_silent_error_in_filter()
3371 var lines =<< trim END
3372 vim9script
3373 def Filter(winid: number, key: string): bool
3374 if key == 'o'
3375 silent! eval [][0]
3376 return true
3377 endif
3378 return popup_filter_menu(winid, key)
3379 enddef
3380
Bram Moolenaare0de1712020-12-02 17:36:54 +01003381 popup_create('popup', {filter: Filter})
Bram Moolenaarcd030c42020-10-30 21:49:40 +01003382 feedkeys("o\r", 'xnt')
3383 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003384 v9.CheckScriptSuccess(lines)
Bram Moolenaarcd030c42020-10-30 21:49:40 +01003385enddef
3386
Bram Moolenaar62aec932022-01-29 21:45:34 +00003387def s:Fibonacci(n: number): number
Bram Moolenaar4b9bd692020-09-05 21:57:53 +02003388 if n < 2
3389 return n
3390 else
3391 return Fibonacci(n - 1) + Fibonacci(n - 2)
3392 endif
3393enddef
3394
Bram Moolenaar985116a2020-07-12 17:31:09 +02003395def Test_recursive_call()
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02003396 Fibonacci(20)->assert_equal(6765)
Bram Moolenaar985116a2020-07-12 17:31:09 +02003397enddef
3398
Bram Moolenaar62aec932022-01-29 21:45:34 +00003399def s:TreeWalk(dir: string): list<any>
Bram Moolenaar75ab91f2021-01-10 22:42:50 +01003400 return readdir(dir)->mapnew((_, val) =>
Bram Moolenaar08f7a412020-07-13 20:41:08 +02003401 fnamemodify(dir .. '/' .. val, ':p')->isdirectory()
Bram Moolenaar2bede172020-11-19 18:53:18 +01003402 ? {[val]: TreeWalk(dir .. '/' .. val)}
Bram Moolenaar08f7a412020-07-13 20:41:08 +02003403 : val
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01003404 )
Bram Moolenaar08f7a412020-07-13 20:41:08 +02003405enddef
3406
3407def Test_closure_in_map()
Bram Moolenaarf5fec052022-09-11 11:49:22 +01003408 mkdir('XclosureDir/tdir', 'pR')
Bram Moolenaar08f7a412020-07-13 20:41:08 +02003409 writefile(['111'], 'XclosureDir/file1')
3410 writefile(['222'], 'XclosureDir/file2')
3411 writefile(['333'], 'XclosureDir/tdir/file3')
3412
Bram Moolenaare0de1712020-12-02 17:36:54 +01003413 TreeWalk('XclosureDir')->assert_equal(['file1', 'file2', {tdir: ['file3']}])
Bram Moolenaar08f7a412020-07-13 20:41:08 +02003414enddef
3415
Bram Moolenaar7b5d5442020-10-04 13:42:34 +02003416def Test_invalid_function_name()
3417 var lines =<< trim END
3418 vim9script
3419 def s: list<string>
3420 END
Bram Moolenaara749a422022-02-12 19:52:25 +00003421 v9.CheckScriptFailure(lines, 'E1268:')
Bram Moolenaar7b5d5442020-10-04 13:42:34 +02003422
3423 lines =<< trim END
3424 vim9script
3425 def g: list<string>
3426 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003427 v9.CheckScriptFailure(lines, 'E129:')
Bram Moolenaar7b5d5442020-10-04 13:42:34 +02003428
3429 lines =<< trim END
3430 vim9script
3431 def <SID>: list<string>
3432 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003433 v9.CheckScriptFailure(lines, 'E884:')
Bram Moolenaar7b5d5442020-10-04 13:42:34 +02003434
3435 lines =<< trim END
3436 vim9script
3437 def F list<string>
3438 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003439 v9.CheckScriptFailure(lines, 'E488:')
Bram Moolenaar7b5d5442020-10-04 13:42:34 +02003440enddef
3441
Bram Moolenaara90afb92020-07-15 22:38:56 +02003442def Test_partial_call()
Bram Moolenaarf78da4f2021-08-01 15:40:31 +02003443 var lines =<< trim END
3444 var Xsetlist: func
3445 Xsetlist = function('setloclist', [0])
3446 Xsetlist([], ' ', {title: 'test'})
3447 getloclist(0, {title: 1})->assert_equal({title: 'test'})
Bram Moolenaara90afb92020-07-15 22:38:56 +02003448
Bram Moolenaarf78da4f2021-08-01 15:40:31 +02003449 Xsetlist = function('setloclist', [0, [], ' '])
3450 Xsetlist({title: 'test'})
3451 getloclist(0, {title: 1})->assert_equal({title: 'test'})
Bram Moolenaara90afb92020-07-15 22:38:56 +02003452
Bram Moolenaarf78da4f2021-08-01 15:40:31 +02003453 Xsetlist = function('setqflist')
3454 Xsetlist([], ' ', {title: 'test'})
3455 getqflist({title: 1})->assert_equal({title: 'test'})
Bram Moolenaara90afb92020-07-15 22:38:56 +02003456
Bram Moolenaarf78da4f2021-08-01 15:40:31 +02003457 Xsetlist = function('setqflist', [[], ' '])
3458 Xsetlist({title: 'test'})
3459 getqflist({title: 1})->assert_equal({title: 'test'})
Bram Moolenaar6abd3dc2020-10-04 14:17:32 +02003460
Bram Moolenaarf78da4f2021-08-01 15:40:31 +02003461 var Len: func: number = function('len', ['word'])
3462 assert_equal(4, Len())
3463
3464 var RepeatFunc = function('repeat', ['o'])
3465 assert_equal('ooooo', RepeatFunc(5))
3466 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003467 v9.CheckDefAndScriptSuccess(lines)
Bram Moolenaarc66f6452021-08-19 21:08:30 +02003468
3469 lines =<< trim END
3470 vim9script
3471 def Foo(Parser: any)
3472 enddef
3473 var Expr: func(dict<any>): dict<any>
3474 const Call = Foo(Expr)
3475 END
Bram Moolenaar8acb9cc2022-03-08 13:18:55 +00003476 v9.CheckScriptFailure(lines, 'E1031:')
Bram Moolenaara90afb92020-07-15 22:38:56 +02003477enddef
3478
Bram Moolenaarcd1cda22022-02-16 21:48:25 +00003479def Test_partial_double_nested()
3480 var idx = 123
3481 var Get = () => idx
3482 var Ref = function(Get, [])
3483 var RefRef = function(Ref, [])
3484 assert_equal(123, RefRef())
3485enddef
3486
Bram Moolenaar673bcb12022-03-08 16:52:24 +00003487def Test_partial_null_function()
3488 var lines =<< trim END
3489 var d: dict<func> = {f: null_function}
3490 var Ref = d.f
Bram Moolenaared0c62e2022-03-08 19:43:55 +00003491 assert_equal('func(...): unknown', typename(Ref))
Bram Moolenaar673bcb12022-03-08 16:52:24 +00003492 END
3493 v9.CheckDefAndScriptSuccess(lines)
3494enddef
3495
Bram Moolenaarfe1bfc92022-02-06 13:55:03 +00003496" Using "idx" from a legacy global function does not work.
3497" This caused a crash when called from legacy context.
3498func Test_partial_call_fails()
3499 let lines =<< trim END
3500 vim9script
3501
3502 var l = ['a', 'b', 'c']
3503 def Iter(container: any): any
3504 var idx = -1
3505 var obj = {state: container}
Bram Moolenaarf681cfb2022-02-07 20:30:57 +00003506 def g:NextItem__(self: dict<any>): any
Bram Moolenaarfe1bfc92022-02-06 13:55:03 +00003507 ++idx
3508 return self.state[idx]
3509 enddef
Bram Moolenaarf681cfb2022-02-07 20:30:57 +00003510 obj.__next__ = function('g:NextItem__', [obj])
Bram Moolenaarfe1bfc92022-02-06 13:55:03 +00003511 return obj
3512 enddef
3513
3514 var it = Iter(l)
3515 echo it.__next__()
3516 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +01003517 call writefile(lines, 'XpartialCall', 'D')
Bram Moolenaarfe1bfc92022-02-06 13:55:03 +00003518 try
3519 source XpartialCall
3520 catch /E1248:/
3521 endtry
Bram Moolenaarfe1bfc92022-02-06 13:55:03 +00003522endfunc
3523
Bram Moolenaar2dd0a2c2020-08-08 15:10:27 +02003524def Test_cmd_modifier()
3525 tab echo '0'
Bram Moolenaar62aec932022-01-29 21:45:34 +00003526 v9.CheckDefFailure(['5tab echo 3'], 'E16:')
Bram Moolenaar2dd0a2c2020-08-08 15:10:27 +02003527enddef
3528
3529def Test_restore_modifiers()
3530 # check that when compiling a :def function command modifiers are not messed
3531 # up.
Bram Moolenaar7a9cbca2020-09-27 22:47:05 +02003532 var lines =<< trim END
Bram Moolenaar2dd0a2c2020-08-08 15:10:27 +02003533 vim9script
3534 set eventignore=
3535 autocmd QuickFixCmdPost * copen
3536 def AutocmdsDisabled()
Bram Moolenaarc3235272021-07-10 19:42:03 +02003537 eval 1 + 2
Bram Moolenaar2dd0a2c2020-08-08 15:10:27 +02003538 enddef
3539 func Func()
3540 noautocmd call s:AutocmdsDisabled()
3541 let g:ei_after = &eventignore
3542 endfunc
3543 Func()
3544 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003545 v9.CheckScriptSuccess(lines)
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02003546 g:ei_after->assert_equal('')
Bram Moolenaar2dd0a2c2020-08-08 15:10:27 +02003547enddef
3548
Bram Moolenaardfa3d552020-09-10 22:05:08 +02003549def StackTop()
Bram Moolenaarc3235272021-07-10 19:42:03 +02003550 eval 1 + 2
3551 eval 2 + 3
Bram Moolenaardfa3d552020-09-10 22:05:08 +02003552 # call not on fourth line
Bram Moolenaar62aec932022-01-29 21:45:34 +00003553 g:StackBot()
Bram Moolenaardfa3d552020-09-10 22:05:08 +02003554enddef
3555
3556def StackBot()
3557 # throw an error
3558 eval [][0]
3559enddef
3560
3561def Test_callstack_def()
3562 try
Bram Moolenaar62aec932022-01-29 21:45:34 +00003563 g:StackTop()
Bram Moolenaardfa3d552020-09-10 22:05:08 +02003564 catch
Bram Moolenaarc0c71e92020-09-11 19:09:48 +02003565 v:throwpoint->assert_match('Test_callstack_def\[2\]..StackTop\[4\]..StackBot, line 2')
Bram Moolenaardfa3d552020-09-10 22:05:08 +02003566 endtry
3567enddef
3568
Bram Moolenaare8211a32020-10-09 22:04:29 +02003569" Re-using spot for variable used in block
3570def Test_block_scoped_var()
3571 var lines =<< trim END
3572 vim9script
3573 def Func()
3574 var x = ['a', 'b', 'c']
3575 if 1
3576 var y = 'x'
Bram Moolenaarbb8a7ce2021-04-10 20:10:26 +02003577 map(x, (_, _) => y)
Bram Moolenaare8211a32020-10-09 22:04:29 +02003578 endif
3579 var z = x
3580 assert_equal(['x', 'x', 'x'], z)
3581 enddef
3582 Func()
3583 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003584 v9.CheckScriptSuccess(lines)
Bram Moolenaare8211a32020-10-09 22:04:29 +02003585enddef
3586
Bram Moolenaareeece9e2020-11-20 19:26:48 +01003587def Test_reset_did_emsg()
3588 var lines =<< trim END
3589 @s = 'blah'
3590 au BufWinLeave * #
3591 def Func()
3592 var winid = popup_create('popup', {})
3593 exe '*s'
3594 popup_close(winid)
3595 enddef
3596 Func()
3597 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003598 v9.CheckScriptFailure(lines, 'E492:', 8)
Bram Moolenaar2d870f82020-12-05 13:41:01 +01003599 delfunc! g:Func
Bram Moolenaareeece9e2020-11-20 19:26:48 +01003600enddef
3601
Bram Moolenaar57f799e2020-12-12 20:42:19 +01003602def Test_did_emsg_reset()
3603 # executing an autocommand resets did_emsg, this should not result in a
3604 # builtin function considered failing
3605 var lines =<< trim END
3606 vim9script
3607 au BufWinLeave * #
3608 def Func()
Bram Moolenaar767034c2021-04-09 17:24:52 +02003609 popup_menu('', {callback: (a, b) => popup_create('', {})->popup_close()})
Bram Moolenaar57f799e2020-12-12 20:42:19 +01003610 eval [][0]
3611 enddef
3612 nno <F3> <cmd>call <sid>Func()<cr>
3613 feedkeys("\<F3>\e", 'xt')
3614 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +01003615 writefile(lines, 'XemsgReset', 'D')
Bram Moolenaar57f799e2020-12-12 20:42:19 +01003616 assert_fails('so XemsgReset', ['E684:', 'E684:'], lines, 2)
Bram Moolenaarf5fec052022-09-11 11:49:22 +01003617
Bram Moolenaar57f799e2020-12-12 20:42:19 +01003618 nunmap <F3>
3619 au! BufWinLeave
3620enddef
3621
Bram Moolenaar56602ba2020-12-05 21:22:08 +01003622def Test_abort_with_silent_call()
3623 var lines =<< trim END
3624 vim9script
3625 g:result = 'none'
3626 def Func()
3627 g:result += 3
3628 g:result = 'yes'
3629 enddef
3630 # error is silenced, but function aborts on error
3631 silent! Func()
3632 assert_equal('none', g:result)
3633 unlet g:result
3634 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003635 v9.CheckScriptSuccess(lines)
Bram Moolenaar56602ba2020-12-05 21:22:08 +01003636enddef
3637
Bram Moolenaarf665e972020-12-05 19:17:16 +01003638def Test_continues_with_silent_error()
3639 var lines =<< trim END
3640 vim9script
3641 g:result = 'none'
3642 def Func()
3643 silent! g:result += 3
3644 g:result = 'yes'
3645 enddef
3646 # error is silenced, function does not abort
3647 Func()
3648 assert_equal('yes', g:result)
3649 unlet g:result
3650 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003651 v9.CheckScriptSuccess(lines)
Bram Moolenaarf665e972020-12-05 19:17:16 +01003652enddef
3653
Bram Moolenaaraf0df472020-12-02 20:51:22 +01003654def Test_abort_even_with_silent()
3655 var lines =<< trim END
3656 vim9script
3657 g:result = 'none'
3658 def Func()
3659 eval {-> ''}() .. '' .. {}['X']
3660 g:result = 'yes'
3661 enddef
Bram Moolenaarf665e972020-12-05 19:17:16 +01003662 silent! Func()
Bram Moolenaaraf0df472020-12-02 20:51:22 +01003663 assert_equal('none', g:result)
Bram Moolenaar4029cab2020-12-05 18:13:27 +01003664 unlet g:result
3665 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003666 v9.CheckScriptSuccess(lines)
Bram Moolenaar4029cab2020-12-05 18:13:27 +01003667enddef
3668
Bram Moolenaarf665e972020-12-05 19:17:16 +01003669def Test_cmdmod_silent_restored()
3670 var lines =<< trim END
3671 vim9script
3672 def Func()
3673 g:result = 'none'
3674 silent! g:result += 3
3675 g:result = 'none'
3676 g:result += 3
3677 enddef
3678 Func()
3679 END
3680 # can't use CheckScriptFailure, it ignores the :silent!
3681 var fname = 'Xdefsilent'
Bram Moolenaarf5fec052022-09-11 11:49:22 +01003682 writefile(lines, fname, 'D')
Bram Moolenaarf665e972020-12-05 19:17:16 +01003683 var caught = 'no'
3684 try
3685 exe 'source ' .. fname
3686 catch /E1030:/
3687 caught = 'yes'
3688 assert_match('Func, line 4', v:throwpoint)
3689 endtry
3690 assert_equal('yes', caught)
Bram Moolenaarf665e972020-12-05 19:17:16 +01003691enddef
3692
Bram Moolenaar2fecb532021-03-24 22:00:56 +01003693def Test_cmdmod_silent_nested()
3694 var lines =<< trim END
3695 vim9script
3696 var result = ''
3697
3698 def Error()
3699 result ..= 'Eb'
3700 eval [][0]
3701 result ..= 'Ea'
3702 enddef
3703
3704 def Crash()
3705 result ..= 'Cb'
3706 sil! Error()
3707 result ..= 'Ca'
3708 enddef
3709
3710 Crash()
3711 assert_equal('CbEbEaCa', result)
3712 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003713 v9.CheckScriptSuccess(lines)
Bram Moolenaar2fecb532021-03-24 22:00:56 +01003714enddef
3715
Bram Moolenaar4029cab2020-12-05 18:13:27 +01003716def Test_dict_member_with_silent()
3717 var lines =<< trim END
3718 vim9script
3719 g:result = 'none'
3720 var d: dict<any>
3721 def Func()
3722 try
Bram Moolenaar2949cfd2020-12-31 21:28:47 +01003723 g:result = map([], (_, v) => ({}[v]))->join() .. d['']
Bram Moolenaar4029cab2020-12-05 18:13:27 +01003724 catch
3725 endtry
3726 enddef
3727 silent! Func()
3728 assert_equal('0', g:result)
3729 unlet g:result
Bram Moolenaaraf0df472020-12-02 20:51:22 +01003730 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003731 v9.CheckScriptSuccess(lines)
Bram Moolenaaraf0df472020-12-02 20:51:22 +01003732enddef
3733
Bram Moolenaarf9041332021-01-21 19:41:16 +01003734def Test_skip_cmds_with_silent()
3735 var lines =<< trim END
3736 vim9script
3737
3738 def Func(b: bool)
3739 Crash()
3740 enddef
3741
3742 def Crash()
3743 sil! :/not found/d _
3744 sil! :/not found/put _
3745 enddef
3746
3747 Func(true)
3748 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003749 v9.CheckScriptSuccess(lines)
Bram Moolenaarf9041332021-01-21 19:41:16 +01003750enddef
3751
Bram Moolenaar5b3d1bb2020-12-22 12:20:08 +01003752def Test_opfunc()
Bram Moolenaar848fadd2022-01-30 15:28:30 +00003753 nnoremap <F3> <cmd>set opfunc=g:Opfunc<cr>g@
Bram Moolenaar5b3d1bb2020-12-22 12:20:08 +01003754 def g:Opfunc(_: any): string
3755 setline(1, 'ASDF')
3756 return ''
3757 enddef
3758 new
3759 setline(1, 'asdf')
3760 feedkeys("\<F3>$", 'x')
3761 assert_equal('ASDF', getline(1))
3762
3763 bwipe!
3764 nunmap <F3>
3765enddef
3766
Bram Moolenaar3b309f12021-12-13 18:19:55 +00003767func Test_opfunc_error()
3768 CheckScreendump
3769 call Run_Test_opfunc_error()
3770endfunc
3771
3772def Run_Test_opfunc_error()
3773 # test that the error from Opfunc() is displayed right away
3774 var lines =<< trim END
3775 vim9script
3776
3777 def Opfunc(type: string)
3778 try
3779 eval [][0]
3780 catch /nothing/ # error not caught
3781 endtry
3782 enddef
3783 &operatorfunc = Opfunc
3784 nnoremap <expr> l <SID>L()
3785 def L(): string
3786 return 'l'
3787 enddef
3788 'x'->repeat(10)->setline(1)
3789 feedkeys('g@l', 'n')
3790 feedkeys('llll')
3791 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +01003792 call writefile(lines, 'XTest_opfunc_error', 'D')
Bram Moolenaar3b309f12021-12-13 18:19:55 +00003793
Bram Moolenaar62aec932022-01-29 21:45:34 +00003794 var buf = g:RunVimInTerminal('-S XTest_opfunc_error', {rows: 6, wait_for_ruler: 0})
3795 g:WaitForAssert(() => assert_match('Press ENTER', term_getline(buf, 6)))
Bram Moolenaarec892232022-05-06 17:53:06 +01003796 g:WaitForAssert(() => assert_match('E684: List index out of range: 0', term_getline(buf, 5)))
Bram Moolenaar3b309f12021-12-13 18:19:55 +00003797
3798 # clean up
Bram Moolenaar62aec932022-01-29 21:45:34 +00003799 g:StopVimInTerminal(buf)
Bram Moolenaar3b309f12021-12-13 18:19:55 +00003800enddef
3801
Bram Moolenaar077a4232020-12-22 18:33:27 +01003802" this was crashing on exit
3803def Test_nested_lambda_in_closure()
3804 var lines =<< trim END
3805 vim9script
Bram Moolenaar227c58a2021-04-28 20:40:44 +02003806 command WriteDone writefile(['Done'], 'XnestedDone')
Bram Moolenaar077a4232020-12-22 18:33:27 +01003807 def Outer()
3808 def g:Inner()
3809 echo map([1, 2, 3], {_, v -> v + 1})
3810 enddef
3811 g:Inner()
3812 enddef
3813 defcompile
Bram Moolenaar227c58a2021-04-28 20:40:44 +02003814 # not reached
Bram Moolenaar077a4232020-12-22 18:33:27 +01003815 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00003816 if !g:RunVim([], lines, '--clean -c WriteDone -c quit')
Bram Moolenaar077a4232020-12-22 18:33:27 +01003817 return
3818 endif
3819 assert_equal(['Done'], readfile('XnestedDone'))
3820 delete('XnestedDone')
3821enddef
3822
Bram Moolenaar92368aa2022-02-07 17:50:39 +00003823def Test_nested_closure_funcref()
3824 var lines =<< trim END
3825 vim9script
3826 def Func()
3827 var n: number
3828 def Nested()
3829 ++n
3830 enddef
3831 Nested()
3832 g:result_one = n
3833 var Ref = function(Nested)
3834 Ref()
3835 g:result_two = n
3836 enddef
3837 Func()
3838 END
3839 v9.CheckScriptSuccess(lines)
3840 assert_equal(1, g:result_one)
3841 assert_equal(2, g:result_two)
3842 unlet g:result_one g:result_two
3843enddef
3844
Bram Moolenaar7aca5ca2022-02-07 19:56:43 +00003845def Test_nested_closure_in_dict()
3846 var lines =<< trim END
3847 vim9script
3848 def Func(): dict<any>
3849 var n: number
3850 def Inc(): number
3851 ++n
3852 return n
3853 enddef
3854 return {inc: function(Inc)}
3855 enddef
3856 disas Func
3857 var d = Func()
3858 assert_equal(1, d.inc())
3859 assert_equal(2, d.inc())
3860 END
3861 v9.CheckScriptSuccess(lines)
3862enddef
3863
Bram Moolenaarfb43cfc2022-03-11 18:54:17 +00003864def Test_script_local_other_script()
3865 var lines =<< trim END
3866 function LegacyJob()
3867 let FuncRef = function('s:close_cb')
3868 endfunction
3869 function s:close_cb(...)
3870 endfunction
3871 END
Bram Moolenaarf5fec052022-09-11 11:49:22 +01003872 lines->writefile('Xlegacy.vim', 'D')
Bram Moolenaarfb43cfc2022-03-11 18:54:17 +00003873 source Xlegacy.vim
3874 g:LegacyJob()
3875 g:LegacyJob()
3876 g:LegacyJob()
3877
3878 delfunc g:LegacyJob
Bram Moolenaarfb43cfc2022-03-11 18:54:17 +00003879enddef
3880
Bram Moolenaar04947cc2021-03-06 19:26:46 +01003881def Test_check_func_arg_types()
3882 var lines =<< trim END
3883 vim9script
3884 def F1(x: string): string
3885 return x
3886 enddef
3887
3888 def F2(x: number): number
3889 return x + 1
3890 enddef
3891
Bram Moolenaar1d9cef72022-03-17 16:30:03 +00003892 def G(Fg: func): dict<func>
3893 return {f: Fg}
Bram Moolenaar04947cc2021-03-06 19:26:46 +01003894 enddef
3895
3896 def H(d: dict<func>): string
3897 return d.f('a')
3898 enddef
3899 END
3900
Bram Moolenaar62aec932022-01-29 21:45:34 +00003901 v9.CheckScriptSuccess(lines + ['echo H(G(F1))'])
3902 v9.CheckScriptFailure(lines + ['echo H(G(F2))'], 'E1013:')
Bram Moolenaar1d9cef72022-03-17 16:30:03 +00003903
3904 v9.CheckScriptFailure(lines + ['def SomeFunc(ff: func)', 'enddef'], 'E704:')
Bram Moolenaar04947cc2021-03-06 19:26:46 +01003905enddef
3906
Bram Moolenaarbadf04f2022-03-12 21:28:22 +00003907def Test_call_func_with_null()
3908 var lines =<< trim END
3909 def Fstring(v: string)
3910 assert_equal(null_string, v)
3911 enddef
3912 Fstring(null_string)
3913 def Fblob(v: blob)
3914 assert_equal(null_blob, v)
3915 enddef
3916 Fblob(null_blob)
3917 def Flist(v: list<number>)
3918 assert_equal(null_list, v)
3919 enddef
3920 Flist(null_list)
3921 def Fdict(v: dict<number>)
3922 assert_equal(null_dict, v)
3923 enddef
3924 Fdict(null_dict)
3925 def Ffunc(Fv: func(number): number)
3926 assert_equal(null_function, Fv)
3927 enddef
3928 Ffunc(null_function)
3929 if has('channel')
3930 def Fchannel(v: channel)
3931 assert_equal(null_channel, v)
3932 enddef
3933 Fchannel(null_channel)
3934 def Fjob(v: job)
3935 assert_equal(null_job, v)
3936 enddef
3937 Fjob(null_job)
3938 endif
3939 END
3940 v9.CheckDefAndScriptSuccess(lines)
3941enddef
3942
3943def Test_null_default_argument()
3944 var lines =<< trim END
3945 def Fstring(v: string = null_string)
3946 assert_equal(null_string, v)
3947 enddef
3948 Fstring()
3949 def Fblob(v: blob = null_blob)
3950 assert_equal(null_blob, v)
3951 enddef
3952 Fblob()
3953 def Flist(v: list<number> = null_list)
3954 assert_equal(null_list, v)
3955 enddef
3956 Flist()
3957 def Fdict(v: dict<number> = null_dict)
3958 assert_equal(null_dict, v)
3959 enddef
3960 Fdict()
3961 def Ffunc(Fv: func(number): number = null_function)
3962 assert_equal(null_function, Fv)
3963 enddef
3964 Ffunc()
3965 if has('channel')
3966 def Fchannel(v: channel = null_channel)
3967 assert_equal(null_channel, v)
3968 enddef
3969 Fchannel()
3970 def Fjob(v: job = null_job)
3971 assert_equal(null_job, v)
3972 enddef
3973 Fjob()
3974 endif
3975 END
3976 v9.CheckDefAndScriptSuccess(lines)
3977enddef
3978
3979def Test_null_return()
3980 var lines =<< trim END
3981 def Fstring(): string
3982 return null_string
3983 enddef
3984 assert_equal(null_string, Fstring())
3985 def Fblob(): blob
3986 return null_blob
3987 enddef
3988 assert_equal(null_blob, Fblob())
3989 def Flist(): list<number>
3990 return null_list
3991 enddef
3992 assert_equal(null_list, Flist())
3993 def Fdict(): dict<number>
3994 return null_dict
3995 enddef
3996 assert_equal(null_dict, Fdict())
3997 def Ffunc(): func(number): number
3998 return null_function
3999 enddef
4000 assert_equal(null_function, Ffunc())
4001 if has('channel')
4002 def Fchannel(): channel
4003 return null_channel
4004 enddef
4005 assert_equal(null_channel, Fchannel())
4006 def Fjob(): job
4007 return null_job
4008 enddef
4009 assert_equal(null_job, Fjob())
4010 endif
4011 END
4012 v9.CheckDefAndScriptSuccess(lines)
4013enddef
4014
Bram Moolenaar6e48b842021-08-10 22:52:02 +02004015def Test_list_any_type_checked()
4016 var lines =<< trim END
4017 vim9script
4018 def Foo()
4019 --decl--
4020 Bar(l)
4021 enddef
4022 def Bar(ll: list<dict<any>>)
4023 enddef
4024 Foo()
4025 END
Bram Moolenaar2d3ac2e2022-02-03 12:34:05 +00004026 # "any" could be "dict<any>", thus OK
Bram Moolenaar6e48b842021-08-10 22:52:02 +02004027 lines[2] = 'var l: list<any>'
Bram Moolenaar2d3ac2e2022-02-03 12:34:05 +00004028 v9.CheckScriptSuccess(lines)
Bram Moolenaar6e48b842021-08-10 22:52:02 +02004029 lines[2] = 'var l: list<any> = []'
Bram Moolenaar2d3ac2e2022-02-03 12:34:05 +00004030 v9.CheckScriptSuccess(lines)
Bram Moolenaar6e48b842021-08-10 22:52:02 +02004031
4032 lines[2] = 'var l: list<any> = [11]'
Bram Moolenaar62aec932022-01-29 21:45:34 +00004033 v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch, expected list<dict<any>> but got list<number>', 2)
Bram Moolenaar6e48b842021-08-10 22:52:02 +02004034enddef
4035
Bram Moolenaar701cc6c2021-04-10 13:33:48 +02004036def Test_compile_error()
4037 var lines =<< trim END
4038 def g:Broken()
4039 echo 'a' + {}
4040 enddef
4041 call g:Broken()
4042 END
4043 # First call: compilation error
Bram Moolenaar62aec932022-01-29 21:45:34 +00004044 v9.CheckScriptFailure(lines, 'E1051: Wrong argument type for +')
Bram Moolenaar701cc6c2021-04-10 13:33:48 +02004045
4046 # Second call won't try compiling again
4047 assert_fails('call g:Broken()', 'E1091: Function is not compiled: Broken')
Bram Moolenaar599410c2021-04-10 14:03:43 +02004048 delfunc g:Broken
4049
4050 # No error when compiling with :silent!
4051 lines =<< trim END
4052 def g:Broken()
4053 echo 'a' + []
4054 enddef
4055 silent! defcompile
4056 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00004057 v9.CheckScriptSuccess(lines)
Bram Moolenaar599410c2021-04-10 14:03:43 +02004058
4059 # Calling the function won't try compiling again
4060 assert_fails('call g:Broken()', 'E1091: Function is not compiled: Broken')
4061 delfunc g:Broken
Bram Moolenaar701cc6c2021-04-10 13:33:48 +02004062enddef
4063
Bram Moolenaar962c43b2021-04-10 17:18:09 +02004064def Test_ignored_argument()
4065 var lines =<< trim END
4066 vim9script
4067 def Ignore(_, _): string
4068 return 'yes'
4069 enddef
4070 assert_equal('yes', Ignore(1, 2))
4071
4072 func Ok(_)
4073 return a:_
4074 endfunc
4075 assert_equal('ok', Ok('ok'))
4076
4077 func Oktoo()
4078 let _ = 'too'
4079 return _
4080 endfunc
4081 assert_equal('too', Oktoo())
Bram Moolenaarda479c72021-04-10 21:01:38 +02004082
4083 assert_equal([[1], [2], [3]], range(3)->mapnew((_, v) => [v]->map((_, w) => w + 1)))
Bram Moolenaar962c43b2021-04-10 17:18:09 +02004084 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00004085 v9.CheckScriptSuccess(lines)
Bram Moolenaar962c43b2021-04-10 17:18:09 +02004086
4087 lines =<< trim END
4088 def Ignore(_: string): string
4089 return _
4090 enddef
4091 defcompile
4092 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00004093 v9.CheckScriptFailure(lines, 'E1181:', 1)
Bram Moolenaar962c43b2021-04-10 17:18:09 +02004094
4095 lines =<< trim END
4096 var _ = 1
4097 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00004098 v9.CheckDefAndScriptFailure(lines, 'E1181:', 1)
Yegappan Lakshmanan34fcb692021-05-25 20:14:00 +02004099
4100 lines =<< trim END
4101 var x = _
4102 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00004103 v9.CheckDefAndScriptFailure(lines, 'E1181:', 1)
Bram Moolenaar962c43b2021-04-10 17:18:09 +02004104enddef
4105
Bram Moolenaarbb8a7ce2021-04-10 20:10:26 +02004106def Test_too_many_arguments()
4107 var lines =<< trim END
4108 echo [0, 1, 2]->map(() => 123)
4109 END
Bram Moolenaareddd4fc2022-02-20 15:52:28 +00004110 v9.CheckDefAndScriptFailure(lines, ['E176:', 'E1106: 2 arguments too many'], 1)
Bram Moolenaarbb8a7ce2021-04-10 20:10:26 +02004111
4112 lines =<< trim END
4113 echo [0, 1, 2]->map((_) => 123)
4114 END
Bram Moolenaareddd4fc2022-02-20 15:52:28 +00004115 v9.CheckDefAndScriptFailure(lines, ['E176', 'E1106: One argument too many'], 1)
Bram Moolenaar31d99482022-05-26 22:24:43 +01004116
4117 lines =<< trim END
4118 vim9script
4119 def OneArgument(arg: string)
4120 echo arg
4121 enddef
4122 var Ref = OneArgument
4123 Ref('a', 'b')
4124 END
4125 v9.CheckScriptFailure(lines, 'E118:')
4126enddef
4127
4128def Test_funcref_with_base()
4129 var lines =<< trim END
4130 vim9script
4131 def TwoArguments(str: string, nr: number)
4132 echo str nr
4133 enddef
4134 var Ref = TwoArguments
4135 Ref('a', 12)
4136 'b'->Ref(34)
4137 END
4138 v9.CheckScriptSuccess(lines)
4139
4140 lines =<< trim END
4141 vim9script
4142 def TwoArguments(str: string, nr: number)
4143 echo str nr
4144 enddef
4145 var Ref = TwoArguments
4146 'a'->Ref('b')
4147 END
4148 v9.CheckScriptFailure(lines, 'E1013: Argument 2: type mismatch, expected number but got string', 6)
4149
4150 lines =<< trim END
4151 vim9script
4152 def TwoArguments(str: string, nr: number)
4153 echo str nr
4154 enddef
4155 var Ref = TwoArguments
4156 123->Ref(456)
4157 END
4158 v9.CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch, expected string but got number')
4159
4160 lines =<< trim END
4161 vim9script
4162 def TwoArguments(nr: number, str: string)
4163 echo str nr
4164 enddef
4165 var Ref = TwoArguments
4166 123->Ref('b')
4167 def AndNowCompiled()
4168 456->Ref('x')
4169 enddef
4170 AndNowCompiled()
4171 END
4172 v9.CheckScriptSuccess(lines)
Bram Moolenaarbb8a7ce2021-04-10 20:10:26 +02004173enddef
Bram Moolenaar077a4232020-12-22 18:33:27 +01004174
Bram Moolenaara6aa1642021-04-23 19:32:23 +02004175def Test_closing_brace_at_start_of_line()
4176 var lines =<< trim END
4177 def Func()
4178 enddef
4179 Func(
4180 )
4181 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00004182 v9.CheckDefAndScriptSuccess(lines)
Bram Moolenaara6aa1642021-04-23 19:32:23 +02004183enddef
4184
Bram Moolenaar62aec932022-01-29 21:45:34 +00004185func s:CreateMydict()
Bram Moolenaarb033ee22021-08-15 16:08:36 +02004186 let g:mydict = {}
4187 func g:mydict.afunc()
4188 let g:result = self.key
4189 endfunc
4190endfunc
4191
4192def Test_numbered_function_reference()
4193 CreateMydict()
4194 var output = execute('legacy func g:mydict.afunc')
4195 var funcName = 'g:' .. substitute(output, '.*function \(\d\+\).*', '\1', '')
4196 execute 'function(' .. funcName .. ', [], {key: 42})()'
4197 # check that the function still exists
4198 assert_equal(output, execute('legacy func g:mydict.afunc'))
4199 unlet g:mydict
4200enddef
4201
Bram Moolenaard3a11782022-01-05 16:50:40 +00004202def Test_go_beyond_end_of_cmd()
4203 # this was reading the byte after the end of the line
4204 var lines =<< trim END
4205 def F()
4206 cal
4207 enddef
4208 defcompile
4209 END
Bram Moolenaar62aec932022-01-29 21:45:34 +00004210 v9.CheckScriptFailure(lines, 'E476:')
Bram Moolenaard3a11782022-01-05 16:50:40 +00004211enddef
4212
Yegappan Lakshmanan7c7e19c2022-04-09 11:09:07 +01004213" Test for memory allocation failure when defining a new lambda
4214func Test_lambda_allocation_failure()
4215 new
4216 let lines =<< trim END
4217 vim9script
4218 g:Xlambda = (x): number => {
4219 return x + 1
4220 }
4221 END
4222 call setline(1, lines)
4223 call test_alloc_fail(GetAllocId('get_func'), 0, 0)
4224 call assert_fails('source', 'E342:')
4225 call assert_false(exists('g:Xlambda'))
4226 bw!
4227endfunc
4228
Bram Moolenaarbce69d62022-05-22 13:45:52 +01004229def Test_multiple_funcref()
4230 # This was using a NULL pointer
4231 var lines =<< trim END
4232 vim9script
4233 def A(F: func, ...args: list<any>): func
4234 return funcref(F, args)
4235 enddef
4236
4237 def B(F: func): func
4238 return funcref(A, [F])
4239 enddef
4240
4241 def Test(n: number)
4242 enddef
4243
4244 const X = B(Test)
4245 X(1)
4246 END
4247 v9.CheckScriptSuccess(lines)
4248
4249 # slightly different case
4250 lines =<< trim END
4251 vim9script
4252
4253 def A(F: func, ...args: list<any>): any
4254 return call(F, args)
4255 enddef
4256
4257 def B(F: func): func
4258 return funcref(A, [F])
4259 enddef
4260
4261 def Test(n: number)
4262 enddef
4263
4264 const X = B(Test)
4265 X(1)
4266 END
4267 v9.CheckScriptSuccess(lines)
4268enddef
4269
Bram Moolenaarbd683e32022-07-18 17:49:03 +01004270def Test_cexpr_errmsg_line_number()
4271 var lines =<< trim END
4272 vim9script
4273 def Func()
4274 var qfl = {}
4275 cexpr qfl
4276 enddef
4277 Func()
4278 END
4279 v9.CheckScriptFailure(lines, 'E777', 2)
4280enddef
4281
Bram Moolenaar1d84f762022-09-03 21:35:53 +01004282def AddDefer(s: string)
4283 g:deferred->extend([s])
4284enddef
4285
4286def DeferTwo()
4287 g:deferred->extend(['in Two'])
4288 for n in range(3)
4289 defer g:AddDefer('two' .. n)
4290 endfor
4291 g:deferred->extend(['end Two'])
4292enddef
4293
4294def DeferOne()
4295 g:deferred->extend(['in One'])
4296 defer g:AddDefer('one')
4297 g:DeferTwo()
4298 g:deferred->extend(['end One'])
4299
4300 writefile(['text'], 'XdeferFile')
4301 defer delete('XdeferFile')
4302enddef
4303
4304def Test_defer()
4305 g:deferred = []
4306 g:DeferOne()
4307 assert_equal(['in One', 'in Two', 'end Two', 'two2', 'two1', 'two0', 'end One', 'one'], g:deferred)
4308 unlet g:deferred
4309 assert_equal('', glob('XdeferFile'))
4310enddef
4311
Bram Moolenaar8b716f52022-02-15 21:17:56 +00004312" The following messes up syntax highlight, keep near the end.
Bram Moolenaar20677332021-06-06 17:02:53 +02004313if has('python3')
Bram Moolenaar8b716f52022-02-15 21:17:56 +00004314 def Test_python3_command()
4315 py3 import vim
Bram Moolenaarf5288c52022-02-15 21:33:29 +00004316 py3 vim.command("g:done = 'yes'")
Bram Moolenaar8b716f52022-02-15 21:17:56 +00004317 assert_equal('yes', g:done)
4318 unlet g:done
4319 enddef
4320
Bram Moolenaar20677332021-06-06 17:02:53 +02004321 def Test_python3_heredoc()
4322 py3 << trim EOF
4323 import vim
4324 vim.vars['didit'] = 'yes'
4325 EOF
4326 assert_equal('yes', g:didit)
4327
4328 python3 << trim EOF
4329 import vim
4330 vim.vars['didit'] = 'again'
4331 EOF
4332 assert_equal('again', g:didit)
4333 enddef
4334endif
4335
Bram Moolenaar20677332021-06-06 17:02:53 +02004336if has('lua')
4337 def Test_lua_heredoc()
4338 g:d = {}
4339 lua << trim EOF
4340 x = vim.eval('g:d')
4341 x['key'] = 'val'
4342 EOF
4343 assert_equal('val', g:d.key)
4344 enddef
Bram Moolenaarefd73ae2022-03-20 18:51:00 +00004345
4346 def Test_lua_heredoc_fails()
4347 var lines = [
4348 'vim9script',
4349 'def ExeLua()',
4350 'lua << trim EOLUA',
4351 "x = vim.eval('g:nodict')",
4352 'EOLUA',
4353 'enddef',
4354 'ExeLua()',
4355 ]
4356 v9.CheckScriptFailure(lines, 'E121: Undefined variable: g:nodict')
4357 enddef
Bram Moolenaar20677332021-06-06 17:02:53 +02004358endif
4359
Bram Moolenaard881d152022-05-13 13:50:36 +01004360if has('perl')
4361 def Test_perl_heredoc_nested()
4362 var lines =<< trim END
4363 vim9script
4364 def F(): string
4365 def G(): string
4366 perl << EOF
4367 EOF
4368 return 'done'
4369 enddef
4370 return G()
4371 enddef
4372 assert_equal('done', F())
4373 END
4374 v9.CheckScriptSuccess(lines)
4375 enddef
4376endif
4377
Bram Moolenaarf7779c62020-05-03 15:38:16 +02004378
Bram Moolenaar5deeb3f2020-04-05 17:08:17 +02004379" vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker