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Bram Moolenaare381d3d2016-07-07 14:50:41 +02001" Test behavior of boolean-like values.
2
Bram Moolenaar5feabe02020-01-30 18:24:53 +01003source check.vim
4
Bram Moolenaare381d3d2016-07-07 14:50:41 +02005" Test what is explained at ":help TRUE" and ":help FALSE".
6func Test_if()
7 if v:false
8 call assert_true(false, 'v:false is false')
9 endif
10 if 0
11 call assert_true(false, 'zero is false')
12 endif
13 if "0"
14 call assert_true(false, 'zero string is false')
15 endif
16 if "foo"
17 call assert_true(false, 'foo is false')
18 endif
19 if " "
20 call assert_true(false, 'space is false')
21 endif
22 if empty("foo")
23 call assert_true(false, 'foo is not empty')
24 endif
25
26 if v:true
27 else
28 call assert_true(false, 'v:true is true')
29 endif
30 if 1
31 else
32 call assert_true(false, 'one is true')
33 endif
34 if "1"
35 else
36 call assert_true(false, 'one string is true')
37 endif
38 if "1foo"
39 else
40 call assert_true(false, 'one in string is true')
41 endif
42
43 call assert_fails('if [1]', 'E745')
44 call assert_fails('if {1: 1}', 'E728')
45 call assert_fails('if function("string")', 'E703')
Bram Moolenaar5feabe02020-01-30 18:24:53 +010046 if has('float')
47 call assert_fails('if 1.3")', 'E805')
48 endif
Bram Moolenaare381d3d2016-07-07 14:50:41 +020049endfunc
50
51function Try_arg_true_false(expr, false_val, true_val)
52 for v in ['v:false', '0', '"0"', '"foo"', '" "']
53 let r = eval(substitute(a:expr, '%v%', v, ''))
54 call assert_equal(a:false_val, r, 'result for ' . v . ' is not ' . string(a:false_val) . ' but ' . string(r))
55 endfor
56 for v in ['v:true', '1', '"1"', '"1foo"']
57 let r = eval(substitute(a:expr, '%v%', v, ''))
58 call assert_equal(a:true_val, r, 'result for ' . v . ' is not ' . string(a:true_val) . ' but ' . string(r))
59 endfor
60endfunc
61
62" Test using TRUE or FALSE values for an argument.
63func Test_true_false_arg()
64 call Try_arg_true_false('count(["a", "A"], "a", %v%)', 1, 2)
65
66 set wildignore=*.swp
67 call Try_arg_true_false('expand("foo.swp", %v%)', "", "foo.swp")
68 call Try_arg_true_false('expand("foo.vim", 0, %v%)', "foo.vim", ["foo.vim"])
69
70 call setreg('a', ['x', 'y'])
71 call Try_arg_true_false('getreg("a", 1, %v%)', "x\ny\n", ['x', 'y'])
72
73 set wildignore=*.vim
74 call Try_arg_true_false('glob("runtest.vim", %v%)', "", "runtest.vim")
75 set wildignore=*.swp
76 call Try_arg_true_false('glob("runtest.vim", 0, %v%)', "runtest.vim", ["runtest.vim"])
77 if has('unix')
78 silent !ln -s doesntexit Xlink
79 call Try_arg_true_false('glob("Xlink", 0, 0, %v%)', "", "Xlink")
80 silent !rm Xlink
81 endif
82
83 set wildignore=*.vim
84 call Try_arg_true_false('globpath(".", "runtest.vim", %v%)', "", "./runtest.vim")
85 set wildignore=*.swp
86 call Try_arg_true_false('globpath(".", "runtest.vim", 0, %v%)', "./runtest.vim", ["./runtest.vim"])
87 if has('unix')
88 silent !ln -s doesntexit Xlink
89 call Try_arg_true_false('globpath(".", "Xlink", 0, 0, %v%)', "", "./Xlink")
90 silent !rm Xlink
91 endif
Bram Moolenaar6bb45012016-07-07 15:11:19 +020092
93 abbr asdf asdff
94 call Try_arg_true_false('hasmapto("asdff", "i", %v%)', 0, 1)
95
96 call Try_arg_true_false('index(["a", "A"], "A", 0, %v%)', 1, 0)
97
Bram Moolenaar05e418d2016-07-07 16:35:16 +020098 function FilterMapArg(d)
99 if type(a:d) == type({})
100 return filter(a:d, 'v:key == "rhs"')
101 endif
102 return a:d
103 endfunction
Bram Moolenaar6bb45012016-07-07 15:11:19 +0200104 call Try_arg_true_false('maparg("asdf", "i", %v%)', "", "asdff")
Bram Moolenaar05e418d2016-07-07 16:35:16 +0200105 call Try_arg_true_false('FilterMapArg(maparg("asdf", "i", 1, %v%))', "asdff", {'rhs': 'asdff'})
Bram Moolenaar6bb45012016-07-07 15:11:19 +0200106
Bram Moolenaarf9f24ce2019-08-31 21:17:39 +0200107 call Try_arg_true_false('"asdf"->hasmapto("i", %v%)', 0, 1)
Bram Moolenaar6bb45012016-07-07 15:11:19 +0200108
109 new colored
110 call setline(1, '<here>')
111 syn match brackets "<.*>"
112 syn match here "here" transparent
113 let brackets_id = synID(1, 1, 0)
114 let here_id = synID(1, 3, 0)
115 call Try_arg_true_false('synID(1, 3, %v%)', here_id, brackets_id)
116 bwipe!
Bram Moolenaare381d3d2016-07-07 14:50:41 +0200117endfunc
118
119function Try_arg_non_zero(expr, false_val, true_val)
Bram Moolenaar5feabe02020-01-30 18:24:53 +0100120 CheckFeature float
Bram Moolenaare381d3d2016-07-07 14:50:41 +0200121 for v in ['v:false', '0', '[1]', '{2:3}', '3.4']
122 let r = eval(substitute(a:expr, '%v%', v, ''))
123 call assert_equal(a:false_val, r, 'result for ' . v . ' is not ' . a:false_val . ' but ' . r)
124 endfor
125 for v in ['v:true', '1', '" "', '"0"']
126 let r = eval(substitute(a:expr, '%v%', v, ''))
127 call assert_equal(a:true_val, r, 'result for ' . v . ' is not ' . a:true_val . ' but ' . r)
128 endfor
129endfunc
130
131
132" Test using non-zero-arg for an argument.
133func Test_non_zero_arg()
134 call test_settime(93784)
135 call Try_arg_non_zero("mode(%v%)", 'x', 'x!')
136 call test_settime(0)
137
138 call Try_arg_non_zero("shellescape('foo%', %v%)", "'foo%'", "'foo\\%'")
139
140 " visualmode() needs to be called twice to check
141 for v in [v:false, 0, [1], {2:3}, 3.4]
142 normal vv
143 let r = visualmode(v)
144 call assert_equal('v', r, 'result for ' . string(v) . ' is not "v" but ' . r)
145 let r = visualmode(v)
146 call assert_equal('v', r, 'result for ' . string(v) . ' is not "v" but ' . r)
147 endfor
148 for v in [v:true, 1, " ", "0"]
149 normal vv
150 let r = visualmode(v)
151 call assert_equal('v', r, 'result for ' . v . ' is not "v" but ' . r)
152 let r = visualmode(v)
153 call assert_equal('', r, 'result for ' . v . ' is not "" but ' . r)
154 endfor
155endfunc