xref: /vim-8.2.3635/src/testdir/test_expr.vim (revision a06ecab7)
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