1" Tests for various eval things.
2
3function s:foo() abort
4  try
5    return [] == 0
6  catch
7    return 1
8  endtry
9endfunction
10
11func Test_catch_return_with_error()
12  call assert_equal(1, s:foo())
13endfunc
14
15func Test_nocatch_restore_silent_emsg()
16  silent! try
17    throw 1
18  catch
19  endtry
20  echoerr 'wrong'
21  let c1 = nr2char(screenchar(&lines, 1))
22  let c2 = nr2char(screenchar(&lines, 2))
23  let c3 = nr2char(screenchar(&lines, 3))
24  let c4 = nr2char(screenchar(&lines, 4))
25  let c5 = nr2char(screenchar(&lines, 5))
26  call assert_equal('wrong', c1 . c2 . c3 . c4 . c5)
27endfunc
28
29func Test_mkdir_p()
30  call mkdir('Xmkdir/nested', 'p')
31  call assert_true(isdirectory('Xmkdir/nested'))
32  try
33    " Trying to make existing directories doesn't error
34    call mkdir('Xmkdir', 'p')
35    call mkdir('Xmkdir/nested', 'p')
36  catch /E739:/
37    call assert_report('mkdir(..., "p") failed for an existing directory')
38  endtry
39  " 'p' doesn't suppress real errors
40  call writefile([], 'Xfile')
41  call assert_fails('call mkdir("Xfile", "p")', 'E739')
42  call delete('Xfile')
43  call delete('Xmkdir', 'rf')
44endfunc
45
46func Test_line_continuation()
47  let array = [5,
48	"\ ignore this
49	\ 6,
50	"\ more to ignore
51	"\ more moreto ignore
52	\ ]
53	"\ and some more
54  call assert_equal([5, 6], array)
55endfunc
56
57func Test_E963()
58  " These commands used to cause an internal error prior to vim 8.1.0563
59  let v_e = v:errors
60  let v_o = v:oldfiles
61  call assert_fails("let v:errors=''", 'E963:')
62  call assert_equal(v_e, v:errors)
63  call assert_fails("let v:oldfiles=''", 'E963:')
64  call assert_equal(v_o, v:oldfiles)
65endfunc
66
67func Test_for_invalid()
68  call assert_fails("for x in 99", 'E714:')
69  call assert_fails("for x in 'asdf'", 'E714:')
70  call assert_fails("for x in {'a': 9}", 'E714:')
71endfunc
72
73func Test_readfile_binary()
74  new
75  call setline(1, ['one', 'two', 'three'])
76  setlocal ff=dos
77  write XReadfile
78  let lines = readfile('XReadfile')
79  call assert_equal(['one', 'two', 'three'], lines)
80  let lines = readfile('XReadfile', '', 2)
81  call assert_equal(['one', 'two'], lines)
82  let lines = readfile('XReadfile', 'b')
83  call assert_equal(["one\r", "two\r", "three\r", ""], lines)
84  let lines = readfile('XReadfile', 'b', 2)
85  call assert_equal(["one\r", "two\r"], lines)
86
87  bwipe!
88  call delete('XReadfile')
89endfunc
90
91func Test_let_errmsg()
92  call assert_fails('let v:errmsg = []', 'E730:')
93  let v:errmsg = ''
94  call assert_fails('let v:errmsg = []', 'E730:')
95  let v:errmsg = ''
96endfunc
97
98func Test_string_concatenation()
99  call assert_equal('ab', 'a'.'b')
100  call assert_equal('ab', 'a' .'b')
101  call assert_equal('ab', 'a'. 'b')
102  call assert_equal('ab', 'a' . 'b')
103
104  call assert_equal('ab', 'a'..'b')
105  call assert_equal('ab', 'a' ..'b')
106  call assert_equal('ab', 'a'.. 'b')
107  call assert_equal('ab', 'a' .. 'b')
108
109  let a = 'a'
110  let b = 'b'
111  let a .= b
112  call assert_equal('ab', a)
113
114  let a = 'a'
115  let a.=b
116  call assert_equal('ab', a)
117
118  let a = 'a'
119  let a ..= b
120  call assert_equal('ab', a)
121
122  let a = 'a'
123  let a..=b
124  call assert_equal('ab', a)
125endfunc
126
127scriptversion 2
128func Test_string_concat_scriptversion2()
129  call assert_true(has('vimscript-2'))
130  let a = 'a'
131  let b = 'b'
132
133  call assert_fails('echo a . b', 'E15:')
134  call assert_fails('let a .= b', 'E985:')
135  call assert_fails('let vers = 1.2.3', 'E15:')
136
137  if has('float')
138    let f = .5
139    call assert_equal(0.5, f)
140  endif
141endfunc
142
143scriptversion 1
144func Test_string_concat_scriptversion1()
145  call assert_true(has('vimscript-1'))
146  let a = 'a'
147  let b = 'b'
148
149  echo a . b
150  let a .= b
151  let vers = 1.2.3
152  call assert_equal('123', vers)
153
154  if has('float')
155    call assert_fails('let f = .5', 'E15:')
156  endif
157endfunc
158
159scriptversion 3
160func Test_vvar_scriptversion3()
161  call assert_true(has('vimscript-3'))
162  call assert_fails('echo version', 'E121:')
163  call assert_false(exists('version'))
164  let version = 1
165  call assert_equal(1, version)
166endfunc
167
168scriptversion 2
169func Test_vvar_scriptversion2()
170  call assert_true(exists('version'))
171  echo version
172  call assert_fails('let version = 1', 'E46:')
173  call assert_equal(v:version, version)
174endfunc
175
176func Test_scriptversion()
177  call writefile(['scriptversion 9'], 'Xversionscript')
178  call assert_fails('source Xversionscript', 'E999:')
179  call delete('Xversionscript')
180endfunc
181