xref: /vim-8.2.3635/src/testdir/test_expr.vim (revision e4a3bcf2)
1" Tests for expressions.
2
3func Test_equal()
4  let base = {}
5  func base.method()
6    return 1
7  endfunc
8  func base.other() dict
9    return 1
10  endfunc
11  let instance = copy(base)
12  call assert_true(base.method == instance.method)
13  call assert_true([base.method] == [instance.method])
14  call assert_true(base.other == instance.other)
15  call assert_true([base.other] == [instance.other])
16
17  call assert_false(base.method == base.other)
18  call assert_false([base.method] == [base.other])
19  call assert_false(base.method == instance.other)
20  call assert_false([base.method] == [instance.other])
21
22  call assert_fails('echo base.method > instance.method')
23endfunc
24
25func Test_version()
26  call assert_true(has('patch-7.4.001'))
27  call assert_true(has('patch-7.4.01'))
28  call assert_true(has('patch-7.4.1'))
29  call assert_true(has('patch-6.9.999'))
30  call assert_true(has('patch-7.1.999'))
31  call assert_true(has('patch-7.4.123'))
32
33  call assert_false(has('patch-7'))
34  call assert_false(has('patch-7.4'))
35  call assert_false(has('patch-7.4.'))
36  call assert_false(has('patch-9.1.0'))
37  call assert_false(has('patch-9.9.1'))
38endfunc
39
40func Test_dict()
41  let d = {'': 'empty', 'a': 'a', 0: 'zero'}
42  call assert_equal('empty', d[''])
43  call assert_equal('a', d['a'])
44  call assert_equal('zero', d[0])
45  call assert_true(has_key(d, ''))
46  call assert_true(has_key(d, 'a'))
47
48  let d[''] = 'none'
49  let d['a'] = 'aaa'
50  call assert_equal('none', d[''])
51  call assert_equal('aaa', d['a'])
52endfunc
53
54func Test_strgetchar()
55  call assert_equal(char2nr('a'), strgetchar('axb', 0))
56  call assert_equal(char2nr('x'), strgetchar('axb', 1))
57  call assert_equal(char2nr('b'), strgetchar('axb', 2))
58
59  call assert_equal(-1, strgetchar('axb', -1))
60  call assert_equal(-1, strgetchar('axb', 3))
61  call assert_equal(-1, strgetchar('', 0))
62endfunc
63
64func Test_strcharpart()
65  call assert_equal('a', strcharpart('axb', 0, 1))
66  call assert_equal('x', strcharpart('axb', 1, 1))
67  call assert_equal('b', strcharpart('axb', 2, 1))
68  call assert_equal('xb', strcharpart('axb', 1))
69
70  call assert_equal('', strcharpart('axb', 1, 0))
71  call assert_equal('', strcharpart('axb', 1, -1))
72  call assert_equal('', strcharpart('axb', -1, 1))
73  call assert_equal('', strcharpart('axb', -2, 2))
74
75  call assert_equal('a', strcharpart('axb', -1, 2))
76endfunc
77
78func Test_getreg_empty_list()
79  call assert_equal('', getreg('x'))
80  call assert_equal([], getreg('x', 1, 1))
81  let x = getreg('x', 1, 1)
82  let y = x
83  call add(x, 'foo')
84  call assert_equal(['foo'], y)
85endfunc
86
87func Test_loop_over_null_list()
88  let null_list = test_null_list()
89  for i in null_list
90    call assert_true(0, 'should not get here')
91  endfor
92endfunc
93
94func Test_compare_null_dict()
95  call assert_fails('let x = test_null_dict()[10]')
96  call assert_equal({}, {})
97  call assert_equal(test_null_dict(), test_null_dict())
98  call assert_notequal({}, test_null_dict())
99endfunc
100
101func Test_set_reg_null_list()
102  call setreg('x', test_null_list())
103endfunc
104
105func Test_special_char()
106  " The failure is only visible using valgrind.
107  call assert_fails('echo "\<C-">')
108endfunc
109
110func Test_option_value()
111  " boolean
112  set bri
113  call assert_equal(1, &bri)
114  set nobri
115  call assert_equal(0, &bri)
116
117  " number
118  set ts=1
119  call assert_equal(1, &ts)
120  set ts=8
121  call assert_equal(8, &ts)
122
123  " string
124  exe "set cedit=\<Esc>"
125  call assert_equal("\<Esc>", &cedit)
126  set cpo=
127  call assert_equal("", &cpo)
128  set cpo=abcdefgi
129  call assert_equal("abcdefgi", &cpo)
130  set cpo&vim
131endfunc
132
133function Test_printf_64bit()
134  if has('num64')
135    call assert_equal("123456789012345", printf('%d', 123456789012345))
136  endif
137endfunc
138
139function Test_printf_spec_s()
140  " number
141  call assert_equal("1234567890", printf('%s', 1234567890))
142
143  " string
144  call assert_equal("abcdefgi", printf('%s', "abcdefgi"))
145
146  " float
147  if has('float')
148    call assert_equal("1.23", printf('%s', 1.23))
149  endif
150
151  " list
152  let value = [1, 'two', ['three', 4]]
153  call assert_equal(string(value), printf('%s', value))
154
155  " dict
156  let value = {'key1' : 'value1', 'key2' : ['list', 'value'], 'key3' : {'dict' : 'value'}}
157  call assert_equal(string(value), printf('%s', value))
158
159  " funcref
160  call assert_equal('printf', printf('%s', function('printf')))
161
162  " partial
163  call assert_equal(string(function('printf', ['%s'])), printf('%s', function('printf', ['%s'])))
164endfunc
165
166function Test_printf_spec_b()
167  call assert_equal("0", printf('%b', 0))
168  call assert_equal("00001100", printf('%08b', 12))
169  call assert_equal("11111111", printf('%08b', 0xff))
170  call assert_equal("   1111011", printf('%10b', 123))
171  call assert_equal("0001111011", printf('%010b', 123))
172  call assert_equal(" 0b1111011", printf('%#10b', 123))
173  call assert_equal("0B01111011", printf('%#010B', 123))
174  call assert_equal("1001001100101100000001011010010", printf('%b', 1234567890))
175  if has('num64')
176    call assert_equal("11100000100100010000110000011011101111101111001", printf('%b', 123456789012345))
177    call assert_equal("1111111111111111111111111111111111111111111111111111111111111111", printf('%b', -1))
178  else
179    call assert_equal("11111111111111111111111111111111", printf('%b', -1))
180  endif
181endfunc
182
183func Test_substitute_expr()
184  let g:val = 'XXX'
185  call assert_equal('XXX', substitute('yyy', 'y*', '\=g:val', ''))
186  call assert_equal('XXX', substitute('yyy', 'y*', {-> g:val}, ''))
187  call assert_equal("-\u1b \uf2-", substitute("-%1b %f2-", '%\(\x\x\)',
188			   \ '\=nr2char("0x" . submatch(1))', 'g'))
189  call assert_equal("-\u1b \uf2-", substitute("-%1b %f2-", '%\(\x\x\)',
190			   \ {-> nr2char("0x" . submatch(1))}, 'g'))
191
192  call assert_equal('231', substitute('123', '\(.\)\(.\)\(.\)',
193	\ {-> submatch(2) . submatch(3) . submatch(1)}, ''))
194
195  func Recurse()
196    return substitute('yyy', 'y*', {-> g:val}, '')
197  endfunc
198  call assert_equal('--', substitute('xxx', 'x*', {-> '-' . Recurse() . '-'}, ''))
199endfunc
200
201func Test_invalid_submatch()
202  " This was causing invalid memory access in Vim-7.4.2232 and older
203  call assert_fails("call substitute('x', '.', {-> submatch(10)}, '')", 'E935:')
204endfunc
205
206func Test_substitute_expr_arg()
207  call assert_equal('123456789-123456789=', substitute('123456789',
208	\ '\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)',
209	\ {m -> m[0] . '-' . m[1] . m[2] . m[3] . m[4] . m[5] . m[6] . m[7] . m[8] . m[9] . '='}, ''))
210
211  call assert_equal('123456-123456=789', substitute('123456789',
212	\ '\(.\)\(.\)\(.\)\(a*\)\(n*\)\(.\)\(.\)\(.\)\(x*\)',
213	\ {m -> m[0] . '-' . m[1] . m[2] . m[3] . m[4] . m[5] . m[6] . m[7] . m[8] . m[9] . '='}, ''))
214
215  call assert_equal('123456789-123456789x=', substitute('123456789',
216	\ '\(.\)\(.\)\(.*\)',
217	\ {m -> m[0] . '-' . m[1] . m[2] . m[3] . 'x' . m[4] . m[5] . m[6] . m[7] . m[8] . m[9] . '='}, ''))
218
219  call assert_fails("call substitute('xxx', '.', {m -> string(add(m, 'x'))}, '')", 'E742:')
220  call assert_fails("call substitute('xxx', '.', {m -> string(insert(m, 'x'))}, '')", 'E742:')
221  call assert_fails("call substitute('xxx', '.', {m -> string(extend(m, ['x']))}, '')", 'E742:')
222  call assert_fails("call substitute('xxx', '.', {m -> string(remove(m, 1))}, '')", 'E742:')
223endfunc
224
225func Test_function_with_funcref()
226  let s:f = function('type')
227  let s:fref = function(s:f)
228  call assert_equal(v:t_string, s:fref('x'))
229  call assert_fails("call function('s:f')", 'E700:')
230endfunc
231
232func Test_funcref()
233  func! One()
234    return 1
235  endfunc
236  let OneByName = function('One')
237  let OneByRef = funcref('One')
238  func! One()
239    return 2
240  endfunc
241  call assert_equal(2, OneByName())
242  call assert_equal(1, OneByRef())
243  let OneByRef = funcref('One')
244  call assert_equal(2, OneByRef())
245  call assert_fails('echo funcref("{")', 'E475:')
246endfunc
247
248func Test_setmatches()
249  hi def link 1 Comment
250  hi def link 2 PreProc
251  let set = [{"group": 1, "pattern": 2, "id": 3, "priority": 4}]
252  let exp = [{"group": '1', "pattern": '2', "id": 3, "priority": 4}]
253  if has('conceal')
254    let set[0]['conceal'] = 5
255    let exp[0]['conceal'] = '5'
256  endif
257  call setmatches(set)
258  call assert_equal(exp, getmatches())
259endfunc
260