Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 1 | " Test various aspects of the Vim9 script language. |
| 2 | |
| 3 | source check.vim |
| 4 | source view_util.vim |
| 5 | |
| 6 | " Check that "lines" inside ":def" results in an "error" message. |
| 7 | func CheckDefFailure(lines, error) |
| 8 | call writefile(['def Func()'] + a:lines + ['enddef'], 'Xdef') |
| 9 | call assert_fails('so Xdef', a:error, a:lines) |
| 10 | call delete('Xdef') |
| 11 | endfunc |
| 12 | |
| 13 | func CheckScriptFailure(lines, error) |
| 14 | call writefile(a:lines, 'Xdef') |
| 15 | call assert_fails('so Xdef', a:error, a:lines) |
| 16 | call delete('Xdef') |
| 17 | endfunc |
| 18 | |
| 19 | func Test_def_basic() |
| 20 | def SomeFunc(): string |
| 21 | return 'yes' |
| 22 | enddef |
| 23 | call assert_equal('yes', SomeFunc()) |
| 24 | endfunc |
| 25 | |
| 26 | def ReturnString(): string |
| 27 | return 'string' |
| 28 | enddef |
| 29 | |
| 30 | def ReturnNumber(): number |
| 31 | return 123 |
| 32 | enddef |
| 33 | |
| 34 | let g:notNumber = 'string' |
| 35 | |
| 36 | def ReturnGlobal(): number |
| 37 | return g:notNumber |
| 38 | enddef |
| 39 | |
| 40 | def Test_return_something() |
| 41 | assert_equal('string', ReturnString()) |
| 42 | assert_equal(123, ReturnNumber()) |
| 43 | assert_fails('call ReturnGlobal()', 'E1029: Expected number but got string') |
| 44 | enddef |
| 45 | |
| 46 | let s:nothing = 0 |
| 47 | def ReturnNothing() |
| 48 | s:nothing = 1 |
| 49 | if true |
| 50 | return |
| 51 | endif |
| 52 | s:nothing = 2 |
| 53 | enddef |
| 54 | |
| 55 | def Test_return_nothing() |
| 56 | ReturnNothing() |
| 57 | assert_equal(1, s:nothing) |
| 58 | enddef |
| 59 | |
| 60 | func Increment() |
| 61 | let g:counter += 1 |
| 62 | endfunc |
| 63 | |
| 64 | def Test_call_ufunc_count() |
| 65 | g:counter = 1 |
| 66 | Increment() |
| 67 | Increment() |
| 68 | Increment() |
| 69 | " works with and without :call |
| 70 | assert_equal(4, g:counter) |
| 71 | call assert_equal(4, g:counter) |
| 72 | unlet g:counter |
| 73 | enddef |
| 74 | |
| 75 | def MyVarargs(arg: string, ...rest: list<string>): string |
| 76 | let res = arg |
| 77 | for s in rest |
| 78 | res ..= ',' .. s |
| 79 | endfor |
| 80 | return res |
| 81 | enddef |
| 82 | |
| 83 | def Test_call_varargs() |
| 84 | assert_equal('one', MyVarargs('one')) |
| 85 | assert_equal('one,two', MyVarargs('one', 'two')) |
| 86 | assert_equal('one,two,three', MyVarargs('one', 'two', 'three')) |
| 87 | enddef |
| 88 | |
| 89 | def MyDefaultArgs(name = 'string'): string |
| 90 | return name |
| 91 | enddef |
| 92 | |
| 93 | def Test_call_default_args() |
| 94 | assert_equal('string', MyDefaultArgs()) |
| 95 | assert_equal('one', MyDefaultArgs('one')) |
| 96 | assert_fails('call MyDefaultArgs("one", "two")', 'E118:') |
| 97 | |
| 98 | call CheckScriptFailure(['def Func(arg: number = asdf)', 'enddef'], 'E1001:') |
Bram Moolenaar | 99aaf0c | 2020-04-12 14:39:53 +0200 | [diff] [blame] | 99 | call CheckScriptFailure(['def Func(arg: number = "text")', 'enddef'], 'E1013: argument 1: type mismatch, expected number but got string') |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 100 | enddef |
| 101 | |
| 102 | func Test_call_default_args_from_func() |
| 103 | call assert_equal('string', MyDefaultArgs()) |
| 104 | call assert_equal('one', MyDefaultArgs('one')) |
| 105 | call assert_fails('call MyDefaultArgs("one", "two")', 'E118:') |
| 106 | endfunc |
| 107 | |
| 108 | func TakesOneArg(arg) |
| 109 | echo a:arg |
| 110 | endfunc |
| 111 | |
| 112 | def Test_call_wrong_args() |
| 113 | call CheckDefFailure(['TakesOneArg()'], 'E119:') |
| 114 | call CheckDefFailure(['TakesOneArg(11, 22)'], 'E118:') |
| 115 | call CheckDefFailure(['bufnr(xxx)'], 'E1001:') |
Bram Moolenaar | 1c0d44f | 2020-05-02 19:04:58 +0200 | [diff] [blame] | 116 | call CheckScriptFailure(['def Func(Ref: func(s: string))'], 'E475:') |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 117 | enddef |
| 118 | |
| 119 | " Default arg and varargs |
| 120 | def MyDefVarargs(one: string, two = 'foo', ...rest: list<string>): string |
| 121 | let res = one .. ',' .. two |
| 122 | for s in rest |
| 123 | res ..= ',' .. s |
| 124 | endfor |
| 125 | return res |
| 126 | enddef |
| 127 | |
| 128 | def Test_call_def_varargs() |
| 129 | call assert_fails('call MyDefVarargs()', 'E119:') |
| 130 | assert_equal('one,foo', MyDefVarargs('one')) |
| 131 | assert_equal('one,two', MyDefVarargs('one', 'two')) |
| 132 | assert_equal('one,two,three', MyDefVarargs('one', 'two', 'three')) |
Bram Moolenaar | 49cf7cc | 2020-04-07 22:45:00 +0200 | [diff] [blame] | 133 | call CheckDefFailure(['MyDefVarargs("one", 22)'], 'E1013: argument 2: type mismatch, expected string but got number') |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 134 | enddef |
| 135 | |
Bram Moolenaar | 1378fbc | 2020-04-11 20:50:33 +0200 | [diff] [blame] | 136 | let s:value = '' |
| 137 | |
| 138 | def FuncOneDefArg(opt = 'text') |
| 139 | s:value = opt |
| 140 | enddef |
| 141 | |
| 142 | def FuncTwoDefArg(nr = 123, opt = 'text'): string |
| 143 | return nr .. opt |
| 144 | enddef |
| 145 | |
| 146 | def FuncVarargs(...arg: list<string>): string |
| 147 | return join(arg, ',') |
| 148 | enddef |
| 149 | |
| 150 | def Test_func_type_varargs() |
| 151 | let RefDefArg: func(?string) |
| 152 | RefDefArg = FuncOneDefArg |
| 153 | RefDefArg() |
| 154 | assert_equal('text', s:value) |
| 155 | RefDefArg('some') |
| 156 | assert_equal('some', s:value) |
| 157 | |
| 158 | let RefDef2Arg: func(?number, ?string): string |
| 159 | RefDef2Arg = FuncTwoDefArg |
| 160 | assert_equal('123text', RefDef2Arg()) |
| 161 | assert_equal('99text', RefDef2Arg(99)) |
| 162 | assert_equal('77some', RefDef2Arg(77, 'some')) |
| 163 | |
| 164 | call CheckDefFailure(['let RefWrong: func(string?)'], 'E1010:') |
| 165 | call CheckDefFailure(['let RefWrong: func(?string, string)'], 'E1007:') |
| 166 | |
| 167 | let RefVarargs: func(...list<string>): string |
| 168 | RefVarargs = FuncVarargs |
| 169 | assert_equal('', RefVarargs()) |
| 170 | assert_equal('one', RefVarargs('one')) |
| 171 | assert_equal('one,two', RefVarargs('one', 'two')) |
| 172 | |
| 173 | call CheckDefFailure(['let RefWrong: func(...list<string>, string)'], 'E110:') |
| 174 | call CheckDefFailure(['let RefWrong: func(...list<string>, ?string)'], 'E110:') |
| 175 | enddef |
| 176 | |
Bram Moolenaar | 0b76b42 | 2020-04-07 22:05:08 +0200 | [diff] [blame] | 177 | " Only varargs |
| 178 | def MyVarargsOnly(...args: list<string>): string |
| 179 | return join(args, ',') |
| 180 | enddef |
| 181 | |
| 182 | def Test_call_varargs_only() |
| 183 | assert_equal('', MyVarargsOnly()) |
| 184 | assert_equal('one', MyVarargsOnly('one')) |
| 185 | assert_equal('one,two', MyVarargsOnly('one', 'two')) |
| 186 | call CheckDefFailure(['MyVarargsOnly(1)'], 'E1013: argument 1: type mismatch, expected string but got number') |
| 187 | call CheckDefFailure(['MyVarargsOnly("one", 2)'], 'E1013: argument 2: type mismatch, expected string but got number') |
| 188 | enddef |
| 189 | |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 190 | def Test_using_var_as_arg() |
| 191 | call writefile(['def Func(x: number)', 'let x = 234', 'enddef'], 'Xdef') |
| 192 | call assert_fails('so Xdef', 'E1006:') |
| 193 | call delete('Xdef') |
| 194 | enddef |
| 195 | |
| 196 | def Test_call_func_defined_later() |
Bram Moolenaar | 1df8b3f | 2020-04-23 18:13:23 +0200 | [diff] [blame] | 197 | call assert_equal('one', g:DefinedLater('one')) |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 198 | call assert_fails('call NotDefined("one")', 'E117:') |
| 199 | enddef |
| 200 | |
Bram Moolenaar | 1df8b3f | 2020-04-23 18:13:23 +0200 | [diff] [blame] | 201 | func DefinedLater(arg) |
| 202 | return a:arg |
| 203 | endfunc |
| 204 | |
| 205 | def Test_call_funcref() |
| 206 | assert_equal(3, g:SomeFunc('abc')) |
| 207 | assert_fails('NotAFunc()', 'E117:') |
| 208 | assert_fails('g:NotAFunc()', 'E117:') |
| 209 | enddef |
| 210 | |
| 211 | let SomeFunc = function('len') |
| 212 | let NotAFunc = 'text' |
| 213 | |
Bram Moolenaar | 99aaf0c | 2020-04-12 14:39:53 +0200 | [diff] [blame] | 214 | def CombineFuncrefTypes() |
| 215 | " same arguments, different return type |
| 216 | let Ref1: func(bool): string |
| 217 | let Ref2: func(bool): number |
| 218 | let Ref3: func(bool): any |
| 219 | Ref3 = g:cond ? Ref1 : Ref2 |
| 220 | |
| 221 | " different number of arguments |
| 222 | let Refa1: func(bool): number |
| 223 | let Refa2: func(bool, number): number |
| 224 | let Refa3: func: number |
| 225 | Refa3 = g:cond ? Refa1 : Refa2 |
| 226 | |
| 227 | " different argument types |
| 228 | let Refb1: func(bool, string): number |
| 229 | let Refb2: func(string, number): number |
| 230 | let Refb3: func(any, any): number |
| 231 | Refb3 = g:cond ? Refb1 : Refb2 |
| 232 | enddef |
| 233 | |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 234 | def FuncWithForwardCall() |
Bram Moolenaar | 1df8b3f | 2020-04-23 18:13:23 +0200 | [diff] [blame] | 235 | return g:DefinedEvenLater("yes") |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 236 | enddef |
| 237 | |
| 238 | def DefinedEvenLater(arg: string): string |
| 239 | return arg |
| 240 | enddef |
| 241 | |
| 242 | def Test_error_in_nested_function() |
| 243 | " Error in called function requires unwinding the call stack. |
| 244 | assert_fails('call FuncWithForwardCall()', 'E1029') |
| 245 | enddef |
| 246 | |
| 247 | def Test_return_type_wrong() |
| 248 | CheckScriptFailure(['def Func(): number', 'return "a"', 'enddef'], 'expected number but got string') |
| 249 | CheckScriptFailure(['def Func(): string', 'return 1', 'enddef'], 'expected string but got number') |
| 250 | CheckScriptFailure(['def Func(): void', 'return "a"', 'enddef'], 'expected void but got string') |
| 251 | CheckScriptFailure(['def Func()', 'return "a"', 'enddef'], 'expected void but got string') |
| 252 | |
| 253 | CheckScriptFailure(['def Func(): number', 'return', 'enddef'], 'E1003:') |
| 254 | |
| 255 | CheckScriptFailure(['def Func(): list', 'return []', 'enddef'], 'E1008:') |
| 256 | CheckScriptFailure(['def Func(): dict', 'return {}', 'enddef'], 'E1008:') |
Bram Moolenaar | ee4e0c1 | 2020-04-06 21:35:05 +0200 | [diff] [blame] | 257 | CheckScriptFailure(['def Func()', 'return 1'], 'E1057:') |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 258 | enddef |
| 259 | |
| 260 | def Test_arg_type_wrong() |
| 261 | CheckScriptFailure(['def Func3(items: list)', 'echo "a"', 'enddef'], 'E1008: Missing <type>') |
Bram Moolenaar | ee4e0c1 | 2020-04-06 21:35:05 +0200 | [diff] [blame] | 262 | CheckScriptFailure(['def Func4(...)', 'echo "a"', 'enddef'], 'E1055: Missing name after ...') |
Bram Moolenaar | f93c7fe | 2020-04-23 22:16:53 +0200 | [diff] [blame] | 263 | CheckScriptFailure(['def Func5(items:string)', 'echo "a"'], 'E1069:') |
Bram Moolenaar | 6e94978 | 2020-04-13 17:21:00 +0200 | [diff] [blame] | 264 | CheckScriptFailure(['def Func5(items)', 'echo "a"'], 'E1077:') |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 265 | enddef |
| 266 | |
| 267 | def Test_vim9script_call() |
| 268 | let lines =<< trim END |
| 269 | vim9script |
| 270 | let var = '' |
| 271 | def MyFunc(arg: string) |
| 272 | var = arg |
| 273 | enddef |
| 274 | MyFunc('foobar') |
| 275 | assert_equal('foobar', var) |
| 276 | |
| 277 | let str = 'barfoo' |
| 278 | str->MyFunc() |
| 279 | assert_equal('barfoo', var) |
| 280 | |
| 281 | let g:value = 'value' |
| 282 | g:value->MyFunc() |
| 283 | assert_equal('value', var) |
| 284 | |
| 285 | let listvar = [] |
| 286 | def ListFunc(arg: list<number>) |
| 287 | listvar = arg |
| 288 | enddef |
| 289 | [1, 2, 3]->ListFunc() |
| 290 | assert_equal([1, 2, 3], listvar) |
| 291 | |
| 292 | let dictvar = {} |
| 293 | def DictFunc(arg: dict<number>) |
| 294 | dictvar = arg |
| 295 | enddef |
| 296 | {'a': 1, 'b': 2}->DictFunc() |
| 297 | assert_equal(#{a: 1, b: 2}, dictvar) |
| 298 | def CompiledDict() |
| 299 | {'a': 3, 'b': 4}->DictFunc() |
| 300 | enddef |
| 301 | CompiledDict() |
| 302 | assert_equal(#{a: 3, b: 4}, dictvar) |
| 303 | |
| 304 | #{a: 3, b: 4}->DictFunc() |
| 305 | assert_equal(#{a: 3, b: 4}, dictvar) |
| 306 | |
| 307 | ('text')->MyFunc() |
| 308 | assert_equal('text', var) |
| 309 | ("some")->MyFunc() |
| 310 | assert_equal('some', var) |
| 311 | END |
| 312 | writefile(lines, 'Xcall.vim') |
| 313 | source Xcall.vim |
| 314 | delete('Xcall.vim') |
| 315 | enddef |
| 316 | |
| 317 | def Test_vim9script_call_fail_decl() |
| 318 | let lines =<< trim END |
| 319 | vim9script |
| 320 | let var = '' |
| 321 | def MyFunc(arg: string) |
| 322 | let var = 123 |
| 323 | enddef |
| 324 | END |
| 325 | writefile(lines, 'Xcall_decl.vim') |
| 326 | assert_fails('source Xcall_decl.vim', 'E1054:') |
| 327 | delete('Xcall_decl.vim') |
| 328 | enddef |
| 329 | |
| 330 | def Test_vim9script_call_fail_const() |
| 331 | let lines =<< trim END |
| 332 | vim9script |
| 333 | const var = '' |
| 334 | def MyFunc(arg: string) |
| 335 | var = 'asdf' |
| 336 | enddef |
| 337 | END |
| 338 | writefile(lines, 'Xcall_const.vim') |
| 339 | assert_fails('source Xcall_const.vim', 'E46:') |
| 340 | delete('Xcall_const.vim') |
| 341 | enddef |
| 342 | |
| 343 | " Test that inside :function a Python function can be defined, :def is not |
| 344 | " recognized. |
| 345 | func Test_function_python() |
| 346 | CheckFeature python3 |
| 347 | let py = 'python3' |
| 348 | execute py "<< EOF" |
| 349 | def do_something(): |
| 350 | return 1 |
| 351 | EOF |
| 352 | endfunc |
| 353 | |
| 354 | def Test_delfunc() |
| 355 | let lines =<< trim END |
| 356 | vim9script |
Bram Moolenaar | 4c17ad9 | 2020-04-27 22:47:51 +0200 | [diff] [blame] | 357 | def g:GoneSoon() |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 358 | echo 'hello' |
| 359 | enddef |
| 360 | |
| 361 | def CallGoneSoon() |
| 362 | GoneSoon() |
| 363 | enddef |
| 364 | |
Bram Moolenaar | 4c17ad9 | 2020-04-27 22:47:51 +0200 | [diff] [blame] | 365 | delfunc g:GoneSoon |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 366 | CallGoneSoon() |
| 367 | END |
| 368 | writefile(lines, 'XToDelFunc') |
| 369 | assert_fails('so XToDelFunc', 'E933') |
| 370 | assert_fails('so XToDelFunc', 'E933') |
| 371 | |
| 372 | delete('XToDelFunc') |
| 373 | enddef |
| 374 | |
| 375 | def Test_redef_failure() |
| 376 | call writefile(['def Func0(): string', 'return "Func0"', 'enddef'], 'Xdef') |
| 377 | so Xdef |
| 378 | call writefile(['def Func1(): string', 'return "Func1"', 'enddef'], 'Xdef') |
| 379 | so Xdef |
| 380 | call writefile(['def! Func0(): string', 'enddef'], 'Xdef') |
| 381 | call assert_fails('so Xdef', 'E1027:') |
| 382 | call writefile(['def Func2(): string', 'return "Func2"', 'enddef'], 'Xdef') |
| 383 | so Xdef |
| 384 | call delete('Xdef') |
| 385 | |
Bram Moolenaar | 1df8b3f | 2020-04-23 18:13:23 +0200 | [diff] [blame] | 386 | call assert_equal(0, g:Func0()) |
| 387 | call assert_equal('Func1', g:Func1()) |
| 388 | call assert_equal('Func2', g:Func2()) |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 389 | |
| 390 | delfunc! Func0 |
| 391 | delfunc! Func1 |
| 392 | delfunc! Func2 |
| 393 | enddef |
| 394 | |
Bram Moolenaar | f93c7fe | 2020-04-23 22:16:53 +0200 | [diff] [blame] | 395 | def Test_vim9script_func() |
| 396 | let lines =<< trim END |
| 397 | vim9script |
| 398 | func Func(arg) |
| 399 | echo a:arg |
| 400 | endfunc |
| 401 | Func('text') |
| 402 | END |
| 403 | writefile(lines, 'XVim9Func') |
| 404 | so XVim9Func |
| 405 | |
| 406 | delete('XVim9Func') |
| 407 | enddef |
| 408 | |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 409 | " Test for internal functions returning different types |
| 410 | func Test_InternalFuncRetType() |
| 411 | let lines =<< trim END |
| 412 | def RetFloat(): float |
| 413 | return ceil(1.456) |
| 414 | enddef |
| 415 | |
| 416 | def RetListAny(): list<any> |
| 417 | return items({'k' : 'v'}) |
| 418 | enddef |
| 419 | |
| 420 | def RetListString(): list<string> |
| 421 | return split('a:b:c', ':') |
| 422 | enddef |
| 423 | |
| 424 | def RetListDictAny(): list<dict<any>> |
| 425 | return getbufinfo() |
| 426 | enddef |
| 427 | |
| 428 | def RetDictNumber(): dict<number> |
| 429 | return wordcount() |
| 430 | enddef |
| 431 | |
| 432 | def RetDictString(): dict<string> |
| 433 | return environ() |
| 434 | enddef |
| 435 | END |
| 436 | call writefile(lines, 'Xscript') |
| 437 | source Xscript |
| 438 | |
| 439 | call assert_equal(2.0, RetFloat()) |
| 440 | call assert_equal([['k', 'v']], RetListAny()) |
| 441 | call assert_equal(['a', 'b', 'c'], RetListString()) |
| 442 | call assert_notequal([], RetListDictAny()) |
| 443 | call assert_notequal({}, RetDictNumber()) |
| 444 | call assert_notequal({}, RetDictString()) |
| 445 | call delete('Xscript') |
| 446 | endfunc |
| 447 | |
| 448 | " Test for passing too many or too few arguments to internal functions |
| 449 | func Test_internalfunc_arg_error() |
| 450 | let l =<< trim END |
| 451 | def! FArgErr(): float |
| 452 | return ceil(1.1, 2) |
| 453 | enddef |
| 454 | END |
| 455 | call writefile(l, 'Xinvalidarg') |
| 456 | call assert_fails('so Xinvalidarg', 'E118:') |
| 457 | let l =<< trim END |
| 458 | def! FArgErr(): float |
| 459 | return ceil() |
| 460 | enddef |
| 461 | END |
| 462 | call writefile(l, 'Xinvalidarg') |
| 463 | call assert_fails('so Xinvalidarg', 'E119:') |
| 464 | call delete('Xinvalidarg') |
| 465 | endfunc |
| 466 | |
| 467 | let s:funcResult = 0 |
| 468 | |
| 469 | def FuncNoArgNoRet() |
| 470 | funcResult = 11 |
| 471 | enddef |
| 472 | |
| 473 | def FuncNoArgRetNumber(): number |
| 474 | funcResult = 22 |
| 475 | return 1234 |
| 476 | enddef |
| 477 | |
Bram Moolenaar | ec5929d | 2020-04-07 20:53:39 +0200 | [diff] [blame] | 478 | def FuncNoArgRetString(): string |
| 479 | funcResult = 45 |
| 480 | return 'text' |
| 481 | enddef |
| 482 | |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 483 | def FuncOneArgNoRet(arg: number) |
| 484 | funcResult = arg |
| 485 | enddef |
| 486 | |
| 487 | def FuncOneArgRetNumber(arg: number): number |
| 488 | funcResult = arg |
| 489 | return arg |
| 490 | enddef |
| 491 | |
Bram Moolenaar | 08938ee | 2020-04-11 23:17:17 +0200 | [diff] [blame] | 492 | def FuncTwoArgNoRet(one: bool, two: number) |
| 493 | funcResult = two |
| 494 | enddef |
| 495 | |
Bram Moolenaar | ec5929d | 2020-04-07 20:53:39 +0200 | [diff] [blame] | 496 | def FuncOneArgRetString(arg: string): string |
| 497 | return arg |
| 498 | enddef |
| 499 | |
Bram Moolenaar | 8922860 | 2020-04-05 22:14:54 +0200 | [diff] [blame] | 500 | def FuncOneArgRetAny(arg: any): any |
| 501 | return arg |
| 502 | enddef |
| 503 | |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 504 | def Test_func_type() |
| 505 | let Ref1: func() |
| 506 | funcResult = 0 |
| 507 | Ref1 = FuncNoArgNoRet |
| 508 | Ref1() |
| 509 | assert_equal(11, funcResult) |
Bram Moolenaar | 4c68375 | 2020-04-05 21:38:23 +0200 | [diff] [blame] | 510 | |
| 511 | let Ref2: func |
| 512 | funcResult = 0 |
| 513 | Ref2 = FuncNoArgNoRet |
| 514 | Ref2() |
| 515 | assert_equal(11, funcResult) |
| 516 | |
| 517 | funcResult = 0 |
| 518 | Ref2 = FuncOneArgNoRet |
| 519 | Ref2(12) |
| 520 | assert_equal(12, funcResult) |
| 521 | |
| 522 | funcResult = 0 |
| 523 | Ref2 = FuncNoArgRetNumber |
| 524 | assert_equal(1234, Ref2()) |
| 525 | assert_equal(22, funcResult) |
| 526 | |
| 527 | funcResult = 0 |
| 528 | Ref2 = FuncOneArgRetNumber |
| 529 | assert_equal(13, Ref2(13)) |
| 530 | assert_equal(13, funcResult) |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 531 | enddef |
| 532 | |
Bram Moolenaar | ec5929d | 2020-04-07 20:53:39 +0200 | [diff] [blame] | 533 | def Test_func_type_part() |
| 534 | let RefVoid: func: void |
| 535 | RefVoid = FuncNoArgNoRet |
| 536 | RefVoid = FuncOneArgNoRet |
| 537 | CheckDefFailure(['let RefVoid: func: void', 'RefVoid = FuncNoArgRetNumber'], 'E1013: type mismatch, expected func() but got func(): number') |
| 538 | CheckDefFailure(['let RefVoid: func: void', 'RefVoid = FuncNoArgRetString'], 'E1013: type mismatch, expected func() but got func(): string') |
| 539 | |
| 540 | let RefAny: func(): any |
| 541 | RefAny = FuncNoArgRetNumber |
| 542 | RefAny = FuncNoArgRetString |
| 543 | CheckDefFailure(['let RefAny: func(): any', 'RefAny = FuncNoArgNoRet'], 'E1013: type mismatch, expected func(): any but got func()') |
| 544 | CheckDefFailure(['let RefAny: func(): any', 'RefAny = FuncOneArgNoRet'], 'E1013: type mismatch, expected func(): any but got func(number)') |
| 545 | |
| 546 | let RefNr: func: number |
| 547 | RefNr = FuncNoArgRetNumber |
| 548 | RefNr = FuncOneArgRetNumber |
| 549 | CheckDefFailure(['let RefNr: func: number', 'RefNr = FuncNoArgNoRet'], 'E1013: type mismatch, expected func(): number but got func()') |
| 550 | CheckDefFailure(['let RefNr: func: number', 'RefNr = FuncNoArgRetString'], 'E1013: type mismatch, expected func(): number but got func(): string') |
| 551 | |
| 552 | let RefStr: func: string |
| 553 | RefStr = FuncNoArgRetString |
| 554 | RefStr = FuncOneArgRetString |
| 555 | CheckDefFailure(['let RefStr: func: string', 'RefStr = FuncNoArgNoRet'], 'E1013: type mismatch, expected func(): string but got func()') |
| 556 | CheckDefFailure(['let RefStr: func: string', 'RefStr = FuncNoArgRetNumber'], 'E1013: type mismatch, expected func(): string but got func(): number') |
| 557 | enddef |
| 558 | |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 559 | def Test_func_type_fails() |
| 560 | CheckDefFailure(['let ref1: func()'], 'E704:') |
| 561 | |
| 562 | CheckDefFailure(['let Ref1: func()', 'Ref1 = FuncNoArgRetNumber'], 'E1013: type mismatch, expected func() but got func(): number') |
| 563 | CheckDefFailure(['let Ref1: func()', 'Ref1 = FuncOneArgNoRet'], 'E1013: type mismatch, expected func() but got func(number)') |
| 564 | CheckDefFailure(['let Ref1: func()', 'Ref1 = FuncOneArgRetNumber'], 'E1013: type mismatch, expected func() but got func(number): number') |
Bram Moolenaar | 08938ee | 2020-04-11 23:17:17 +0200 | [diff] [blame] | 565 | CheckDefFailure(['let Ref1: func(bool)', 'Ref1 = FuncTwoArgNoRet'], 'E1013: type mismatch, expected func(bool) but got func(bool, number)') |
| 566 | CheckDefFailure(['let Ref1: func(?bool)', 'Ref1 = FuncTwoArgNoRet'], 'E1013: type mismatch, expected func(?bool) but got func(bool, number)') |
| 567 | CheckDefFailure(['let Ref1: func(...bool)', 'Ref1 = FuncTwoArgNoRet'], 'E1013: type mismatch, expected func(...bool) but got func(bool, number)') |
| 568 | |
| 569 | call CheckDefFailure(['let RefWrong: func(string ,number)'], 'E1068:') |
| 570 | call CheckDefFailure(['let RefWrong: func(string,number)'], 'E1069:') |
| 571 | call CheckDefFailure(['let RefWrong: func(bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool, bool)'], 'E740:') |
| 572 | call CheckDefFailure(['let RefWrong: func(bool):string'], 'E1069:') |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 573 | enddef |
| 574 | |
Bram Moolenaar | 8922860 | 2020-04-05 22:14:54 +0200 | [diff] [blame] | 575 | def Test_func_return_type() |
| 576 | let nr: number |
| 577 | nr = FuncNoArgRetNumber() |
| 578 | assert_equal(1234, nr) |
| 579 | |
| 580 | nr = FuncOneArgRetAny(122) |
| 581 | assert_equal(122, nr) |
| 582 | |
| 583 | let str: string |
| 584 | str = FuncOneArgRetAny('yes') |
| 585 | assert_equal('yes', str) |
| 586 | |
| 587 | CheckDefFailure(['let str: string', 'str = FuncNoArgRetNumber()'], 'E1013: type mismatch, expected string but got number') |
| 588 | enddef |
| 589 | |
Bram Moolenaar | 5e774c7 | 2020-04-12 21:53:00 +0200 | [diff] [blame] | 590 | def MultiLine( |
| 591 | arg1: string, |
| 592 | arg2 = 1234, |
| 593 | ...rest: list<string> |
| 594 | ): string |
| 595 | return arg1 .. arg2 .. join(rest, '-') |
| 596 | enddef |
| 597 | |
Bram Moolenaar | 2c33043 | 2020-04-13 14:41:35 +0200 | [diff] [blame] | 598 | def MultiLineComment( |
| 599 | arg1: string, # comment |
| 600 | arg2 = 1234, # comment |
| 601 | ...rest: list<string> # comment |
| 602 | ): string # comment |
| 603 | return arg1 .. arg2 .. join(rest, '-') |
| 604 | enddef |
| 605 | |
Bram Moolenaar | 5e774c7 | 2020-04-12 21:53:00 +0200 | [diff] [blame] | 606 | def Test_multiline() |
| 607 | assert_equal('text1234', MultiLine('text')) |
| 608 | assert_equal('text777', MultiLine('text', 777)) |
| 609 | assert_equal('text777one', MultiLine('text', 777, 'one')) |
| 610 | assert_equal('text777one-two', MultiLine('text', 777, 'one', 'two')) |
| 611 | enddef |
| 612 | |
Bram Moolenaar | 23e0325 | 2020-04-12 22:22:31 +0200 | [diff] [blame] | 613 | func Test_multiline_not_vim9() |
| 614 | call assert_equal('text1234', MultiLine('text')) |
| 615 | call assert_equal('text777', MultiLine('text', 777)) |
| 616 | call assert_equal('text777one', MultiLine('text', 777, 'one')) |
| 617 | call assert_equal('text777one-two', MultiLine('text', 777, 'one', 'two')) |
| 618 | endfunc |
| 619 | |
Bram Moolenaar | 5e774c7 | 2020-04-12 21:53:00 +0200 | [diff] [blame] | 620 | |
Bram Moolenaar | ee4e0c1 | 2020-04-06 21:35:05 +0200 | [diff] [blame] | 621 | " When using CheckScriptFailure() for the below test, E1010 is generated instead |
| 622 | " of E1056. |
| 623 | func Test_E1056_1059() |
| 624 | let caught_1056 = 0 |
| 625 | try |
| 626 | def F(): |
| 627 | return 1 |
| 628 | enddef |
| 629 | catch /E1056:/ |
| 630 | let caught_1056 = 1 |
| 631 | endtry |
| 632 | call assert_equal(1, caught_1056) |
| 633 | |
| 634 | let caught_1059 = 0 |
| 635 | try |
| 636 | def F5(items : list) |
| 637 | echo 'a' |
| 638 | enddef |
| 639 | catch /E1059:/ |
| 640 | let caught_1059 = 1 |
| 641 | endtry |
| 642 | call assert_equal(1, caught_1059) |
| 643 | endfunc |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 644 | |
Bram Moolenaar | c8cd2b3 | 2020-05-01 19:29:08 +0200 | [diff] [blame] | 645 | def RefFunc(Ref: func(string): string): string |
| 646 | return Ref('more') |
| 647 | enddef |
| 648 | |
| 649 | def Test_closure_simple() |
| 650 | let local = 'some ' |
| 651 | assert_equal('some more', RefFunc({s -> local .. s})) |
| 652 | enddef |
| 653 | |
Bram Moolenaar | bf67ea1 | 2020-05-02 17:52:42 +0200 | [diff] [blame] | 654 | def MakeRef() |
| 655 | let local = 'some ' |
| 656 | g:Ref = {s -> local .. s} |
| 657 | enddef |
| 658 | |
| 659 | def Test_closure_ref_after_return() |
| 660 | MakeRef() |
| 661 | assert_equal('some thing', g:Ref('thing')) |
| 662 | unlet g:Ref |
| 663 | enddef |
| 664 | |
Bram Moolenaar | 5adc55c | 2020-05-02 23:12:58 +0200 | [diff] [blame^] | 665 | def MakeTwoRefs() |
| 666 | let local = ['some'] |
| 667 | g:Extend = {s -> local->add(s)} |
| 668 | g:Read = {-> local} |
| 669 | enddef |
| 670 | |
| 671 | def Test_closure_two_refs() |
| 672 | MakeTwoRefs() |
| 673 | assert_equal('some', join(g:Read(), ' ')) |
| 674 | g:Extend('more') |
| 675 | assert_equal('some more', join(g:Read(), ' ')) |
| 676 | g:Extend('even') |
| 677 | assert_equal('some more even', join(g:Read(), ' ')) |
| 678 | |
| 679 | unlet g:Extend |
| 680 | unlet g:Read |
| 681 | enddef |
| 682 | |
| 683 | " TODO: fix memory leak when using same function again. |
| 684 | def MakeTwoRefs_2() |
| 685 | let local = ['some'] |
| 686 | g:Extend = {s -> local->add(s)} |
| 687 | g:Read = {-> local} |
| 688 | enddef |
| 689 | |
| 690 | def ReadRef(Ref: func(): list<string>): string |
| 691 | return join(Ref(), ' ') |
| 692 | enddef |
| 693 | |
| 694 | def ExtendRef(Ref: func(string), add: string) |
| 695 | Ref(add) |
| 696 | enddef |
| 697 | |
| 698 | def Test_closure_two_indirect_refs() |
| 699 | MakeTwoRefs_2() |
| 700 | assert_equal('some', ReadRef(g:Read)) |
| 701 | ExtendRef(g:Extend, 'more') |
| 702 | assert_equal('some more', ReadRef(g:Read)) |
| 703 | ExtendRef(g:Extend, 'even') |
| 704 | assert_equal('some more even', ReadRef(g:Read)) |
| 705 | |
| 706 | unlet g:Extend |
| 707 | unlet g:Read |
| 708 | enddef |
Bram Moolenaar | bf67ea1 | 2020-05-02 17:52:42 +0200 | [diff] [blame] | 709 | |
Bram Moolenaar | 5deeb3f | 2020-04-05 17:08:17 +0200 | [diff] [blame] | 710 | " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker |