1" Tests for various functions.
2
3source shared.vim
4source check.vim
5source term_util.vim
6source screendump.vim
7source vim9.vim
8
9" Must be done first, since the alternate buffer must be unset.
10func Test_00_bufexists()
11  call assert_equal(0, bufexists('does_not_exist'))
12  call assert_equal(1, bufexists(bufnr('%')))
13  call assert_equal(0, bufexists(0))
14  new Xfoo
15  let bn = bufnr('%')
16  call assert_equal(1, bufexists(bn))
17  call assert_equal(1, bufexists('Xfoo'))
18  call assert_equal(1, bufexists(getcwd() . '/Xfoo'))
19  call assert_equal(1, bufexists(0))
20  bw
21  call assert_equal(0, bufexists(bn))
22  call assert_equal(0, bufexists('Xfoo'))
23endfunc
24
25func Test_has()
26  call assert_equal(1, has('eval'))
27  call assert_equal(1, has('eval', 1))
28
29  if has('unix')
30    call assert_equal(1, or(has('ttyin'), 1))
31    call assert_equal(0, and(has('ttyout'), 0))
32    call assert_equal(1, has('multi_byte_encoding'))
33  endif
34  call assert_equal(1, has('vcon', 1))
35  call assert_equal(1, has('mouse_gpm_enabled', 1))
36
37  call assert_equal(0, has('nonexistent'))
38  call assert_equal(0, has('nonexistent', 1))
39
40  " Will we ever have patch 9999?
41  let ver = 'patch-' .. v:version / 100 .. '.' .. v:version % 100 .. '.9999'
42  call assert_equal(0, has(ver))
43endfunc
44
45func Test_empty()
46  call assert_equal(1, empty(''))
47  call assert_equal(0, empty('a'))
48
49  call assert_equal(1, empty(0))
50  call assert_equal(1, empty(-0))
51  call assert_equal(0, empty(1))
52  call assert_equal(0, empty(-1))
53
54  if has('float')
55    call assert_equal(1, empty(0.0))
56    call assert_equal(1, empty(-0.0))
57    call assert_equal(0, empty(1.0))
58    call assert_equal(0, empty(-1.0))
59    call assert_equal(0, empty(1.0/0.0))
60    call assert_equal(0, empty(0.0/0.0))
61  endif
62
63  call assert_equal(1, empty([]))
64  call assert_equal(0, empty(['a']))
65
66  call assert_equal(1, empty({}))
67  call assert_equal(0, empty({'a':1}))
68
69  call assert_equal(1, empty(v:null))
70  call assert_equal(1, empty(v:none))
71  call assert_equal(1, empty(v:false))
72  call assert_equal(0, empty(v:true))
73
74  if has('channel')
75    call assert_equal(1, empty(test_null_channel()))
76  endif
77  if has('job')
78    call assert_equal(1, empty(test_null_job()))
79  endif
80
81  call assert_equal(0, empty(function('Test_empty')))
82  call assert_equal(0, empty(function('Test_empty', [0])))
83
84  call assert_fails("call empty(test_void())", 'E685:')
85  call assert_fails("call empty(test_unknown())", 'E685:')
86endfunc
87
88func Test_test_void()
89  call assert_fails('echo 1 == test_void()', 'E1031:')
90  if has('float')
91    call assert_fails('echo 1.0 == test_void()', 'E1031:')
92  endif
93  call assert_fails('let x = json_encode(test_void())', 'E685:')
94  call assert_fails('let x = copy(test_void())', 'E685:')
95  call assert_fails('let x = copy([test_void()])', 'E1031:')
96endfunc
97
98func Test_islocked()
99  call assert_fails('call islocked(99)', 'E475:')
100  call assert_fails('call islocked("s: x")', 'E488:')
101endfunc
102
103func Test_len()
104  call assert_equal(1, len(0))
105  call assert_equal(2, len(12))
106
107  call assert_equal(0, len(''))
108  call assert_equal(2, len('ab'))
109
110  call assert_equal(0, len([]))
111  call assert_equal(0, len(test_null_list()))
112  call assert_equal(2, len([2, 1]))
113
114  call assert_equal(0, len({}))
115  call assert_equal(0, len(test_null_dict()))
116  call assert_equal(2, len({'a': 1, 'b': 2}))
117
118  call assert_fails('call len(v:none)', 'E701:')
119  call assert_fails('call len({-> 0})', 'E701:')
120endfunc
121
122func Test_max()
123  call assert_equal(0, max([]))
124  call assert_equal(2, max([2]))
125  call assert_equal(2, max([1, 2]))
126  call assert_equal(2, max([1, 2, v:null]))
127
128  call assert_equal(0, max({}))
129  call assert_equal(2, max({'a':1, 'b':2}))
130
131  call assert_fails('call max(1)', 'E712:')
132  call assert_fails('call max(v:none)', 'E712:')
133
134  " check we only get one error
135  call assert_fails('call max([#{}, [1]])', ['E728:', 'E728:'])
136  call assert_fails('call max(#{a: {}, b: [1]})', ['E728:', 'E728:'])
137endfunc
138
139func Test_min()
140  call assert_equal(0, min([]))
141  call assert_equal(2, min([2]))
142  call assert_equal(1, min([1, 2]))
143  call assert_equal(0, min([1, 2, v:null]))
144
145  call assert_equal(0, min({}))
146  call assert_equal(1, min({'a':1, 'b':2}))
147
148  call assert_fails('call min(1)', 'E712:')
149  call assert_fails('call min(v:none)', 'E712:')
150  call assert_fails('call min([1, {}])', 'E728:')
151
152  " check we only get one error
153  call assert_fails('call min([[1], #{}])', ['E745:', 'E745:'])
154  call assert_fails('call min(#{a: [1], b: #{}})', ['E745:', 'E745:'])
155endfunc
156
157func Test_strwidth()
158  for aw in ['single', 'double']
159    exe 'set ambiwidth=' . aw
160    call assert_equal(0, strwidth(''))
161    call assert_equal(1, strwidth("\t"))
162    call assert_equal(3, strwidth('Vim'))
163    call assert_equal(4, strwidth(1234))
164    call assert_equal(5, strwidth(-1234))
165
166    call assert_equal(2, strwidth('��'))
167    call assert_equal(17, strwidth('Eĥoŝanĝo ĉiuĵaŭde'))
168    call assert_equal((aw == 'single') ? 6 : 7, strwidth('Straße'))
169
170    call assert_fails('call strwidth({->0})', 'E729:')
171    call assert_fails('call strwidth([])', 'E730:')
172    call assert_fails('call strwidth({})', 'E731:')
173  endfor
174
175  if has('float')
176    call assert_equal(3, strwidth(1.2))
177    call CheckDefFailure(['echo strwidth(1.2)'], 'E1013:')
178    call CheckScriptFailure(['vim9script', 'echo strwidth(1.2)'], 'E806:')
179  endif
180
181  set ambiwidth&
182endfunc
183
184func Test_str2nr()
185  call assert_equal(0, str2nr(''))
186  call assert_equal(1, str2nr('1'))
187  call assert_equal(1, str2nr(' 1 '))
188
189  call assert_equal(1, str2nr('+1'))
190  call assert_equal(1, str2nr('+ 1'))
191  call assert_equal(1, str2nr(' + 1 '))
192
193  call assert_equal(-1, str2nr('-1'))
194  call assert_equal(-1, str2nr('- 1'))
195  call assert_equal(-1, str2nr(' - 1 '))
196
197  call assert_equal(123456789, str2nr('123456789'))
198  call assert_equal(-123456789, str2nr('-123456789'))
199
200  call assert_equal(5, str2nr('101', 2))
201  call assert_equal(5, '0b101'->str2nr(2))
202  call assert_equal(5, str2nr('0B101', 2))
203  call assert_equal(-5, str2nr('-101', 2))
204  call assert_equal(-5, str2nr('-0b101', 2))
205  call assert_equal(-5, str2nr('-0B101', 2))
206
207  call assert_equal(65, str2nr('101', 8))
208  call assert_equal(65, str2nr('0101', 8))
209  call assert_equal(-65, str2nr('-101', 8))
210  call assert_equal(-65, str2nr('-0101', 8))
211  call assert_equal(65, str2nr('0o101', 8))
212  call assert_equal(65, str2nr('0O0101', 8))
213  call assert_equal(-65, str2nr('-0O101', 8))
214  call assert_equal(-65, str2nr('-0o0101', 8))
215
216  call assert_equal(11259375, str2nr('abcdef', 16))
217  call assert_equal(11259375, str2nr('ABCDEF', 16))
218  call assert_equal(-11259375, str2nr('-ABCDEF', 16))
219  call assert_equal(11259375, str2nr('0xabcdef', 16))
220  call assert_equal(11259375, str2nr('0Xabcdef', 16))
221  call assert_equal(11259375, str2nr('0XABCDEF', 16))
222  call assert_equal(-11259375, str2nr('-0xABCDEF', 16))
223
224  call assert_equal(1, str2nr("1'000'000", 10, 0))
225  call assert_equal(256, str2nr("1'0000'0000", 2, 1))
226  call assert_equal(262144, str2nr("1'000'000", 8, 1))
227  call assert_equal(1000000, str2nr("1'000'000", 10, 1))
228  call assert_equal(1000, str2nr("1'000''000", 10, 1))
229  call assert_equal(65536, str2nr("1'00'00", 16, 1))
230
231  call assert_equal(0, str2nr('0x10'))
232  call assert_equal(0, str2nr('0b10'))
233  call assert_equal(0, str2nr('0o10'))
234  call assert_equal(1, str2nr('12', 2))
235  call assert_equal(1, str2nr('18', 8))
236  call assert_equal(1, str2nr('1g', 16))
237
238  call assert_equal(0, str2nr(v:null))
239  call assert_equal(0, str2nr(v:none))
240
241  call assert_fails('call str2nr([])', 'E730:')
242  call assert_fails('call str2nr({->2})', 'E729:')
243  if has('float')
244    call assert_equal(1, str2nr(1.2))
245    call CheckDefFailure(['echo str2nr(1.2)'], 'E1013:')
246    call CheckScriptFailure(['vim9script', 'echo str2nr(1.2)'], 'E806:')
247  endif
248  call assert_fails('call str2nr(10, [])', 'E745:')
249endfunc
250
251func Test_strftime()
252  CheckFunction strftime
253
254  " Format of strftime() depends on system. We assume
255  " that basic formats tested here are available and
256  " identical on all systems which support strftime().
257  "
258  " The 2nd parameter of strftime() is a local time, so the output day
259  " of strftime() can be 17 or 18, depending on timezone.
260  call assert_match('^2017-01-1[78]$', strftime('%Y-%m-%d', 1484695512))
261  "
262  call assert_match('^\d\d\d\d-\(0\d\|1[012]\)-\([012]\d\|3[01]\) \([01]\d\|2[0-3]\):[0-5]\d:\([0-5]\d\|60\)$', '%Y-%m-%d %H:%M:%S'->strftime())
263
264  call assert_fails('call strftime([])', 'E730:')
265  call assert_fails('call strftime("%Y", [])', 'E745:')
266
267  " Check that the time changes after we change the timezone
268  " Save previous timezone value, if any
269  if exists('$TZ')
270    let tz = $TZ
271  endif
272
273  " Force EST and then UTC, save the current hour (24-hour clock) for each
274  let $TZ = 'EST' | let est = strftime('%H')
275  let $TZ = 'UTC' | let utc = strftime('%H')
276
277  " Those hours should be two bytes long, and should not be the same; if they
278  " are, a tzset(3) call may have failed somewhere
279  call assert_equal(strlen(est), 2)
280  call assert_equal(strlen(utc), 2)
281  " TODO: this fails on MS-Windows
282  if has('unix')
283    call assert_notequal(est, utc)
284  endif
285
286  " If we cached a timezone value, put it back, otherwise clear it
287  if exists('tz')
288    let $TZ = tz
289  else
290    unlet $TZ
291  endif
292endfunc
293
294func Test_strptime()
295  CheckFunction strptime
296
297  if exists('$TZ')
298    let tz = $TZ
299  endif
300  let $TZ = 'UTC'
301
302  call assert_equal(1484653763, strptime('%Y-%m-%d %T', '2017-01-17 11:49:23'))
303
304  " Force DST and check that it's considered
305  let $TZ = 'WINTER0SUMMER,J1,J365'
306  call assert_equal(1484653763 - 3600, strptime('%Y-%m-%d %T', '2017-01-17 11:49:23'))
307
308  call assert_fails('call strptime()', 'E119:')
309  call assert_fails('call strptime("xxx")', 'E119:')
310  call assert_equal(0, strptime("%Y", ''))
311  call assert_equal(0, strptime("%Y", "xxx"))
312
313  if exists('tz')
314    let $TZ = tz
315  else
316    unlet $TZ
317  endif
318endfunc
319
320func Test_resolve_unix()
321  CheckUnix
322
323  " Xlink1 -> Xlink2
324  " Xlink2 -> Xlink3
325  silent !ln -s -f Xlink2 Xlink1
326  silent !ln -s -f Xlink3 Xlink2
327  call assert_equal('Xlink3', resolve('Xlink1'))
328  call assert_equal('./Xlink3', resolve('./Xlink1'))
329  call assert_equal('Xlink3/', resolve('Xlink2/'))
330  " FIXME: these tests result in things like "Xlink2/" instead of "Xlink3/"?!
331  "call assert_equal('Xlink3/', resolve('Xlink1/'))
332  "call assert_equal('./Xlink3/', resolve('./Xlink1/'))
333  "call assert_equal(getcwd() . '/Xlink3/', resolve(getcwd() . '/Xlink1/'))
334  call assert_equal(getcwd() . '/Xlink3', resolve(getcwd() . '/Xlink1'))
335
336  " Test resolve() with a symlink cycle.
337  " Xlink1 -> Xlink2
338  " Xlink2 -> Xlink3
339  " Xlink3 -> Xlink1
340  silent !ln -s -f Xlink1 Xlink3
341  call assert_fails('call resolve("Xlink1")',   'E655:')
342  call assert_fails('call resolve("./Xlink1")', 'E655:')
343  call assert_fails('call resolve("Xlink2")',   'E655:')
344  call assert_fails('call resolve("Xlink3")',   'E655:')
345  call delete('Xlink1')
346  call delete('Xlink2')
347  call delete('Xlink3')
348
349  silent !ln -s -f Xdir//Xfile Xlink
350  call assert_equal('Xdir/Xfile', resolve('Xlink'))
351  call delete('Xlink')
352
353  silent !ln -s -f Xlink2/ Xlink1
354  call assert_equal('Xlink2', 'Xlink1'->resolve())
355  call assert_equal('Xlink2/', resolve('Xlink1/'))
356  call delete('Xlink1')
357
358  silent !ln -s -f ./Xlink2 Xlink1
359  call assert_equal('Xlink2', resolve('Xlink1'))
360  call assert_equal('./Xlink2', resolve('./Xlink1'))
361  call delete('Xlink1')
362
363  call assert_equal('/', resolve('/'))
364endfunc
365
366func s:normalize_fname(fname)
367  let ret = substitute(a:fname, '\', '/', 'g')
368  let ret = substitute(ret, '//', '/', 'g')
369  return ret->tolower()
370endfunc
371
372func Test_resolve_win32()
373  CheckMSWindows
374
375  " test for shortcut file
376  if executable('cscript')
377    new Xfile
378    wq
379    let lines =<< trim END
380	Set fs = CreateObject("Scripting.FileSystemObject")
381	Set ws = WScript.CreateObject("WScript.Shell")
382	Set shortcut = ws.CreateShortcut("Xlink.lnk")
383	shortcut.TargetPath = fs.BuildPath(ws.CurrentDirectory, "Xfile")
384	shortcut.Save
385    END
386    call writefile(lines, 'link.vbs')
387    silent !cscript link.vbs
388    call delete('link.vbs')
389    call assert_equal(s:normalize_fname(getcwd() . '\Xfile'), s:normalize_fname(resolve('./Xlink.lnk')))
390    call delete('Xfile')
391
392    call assert_equal(s:normalize_fname(getcwd() . '\Xfile'), s:normalize_fname(resolve('./Xlink.lnk')))
393    call delete('Xlink.lnk')
394  else
395    echomsg 'skipped test for shortcut file'
396  endif
397
398  " remove files
399  call delete('Xlink')
400  call delete('Xdir', 'd')
401  call delete('Xfile')
402
403  " test for symbolic link to a file
404  new Xfile
405  wq
406  call assert_equal('Xfile', resolve('Xfile'))
407  silent !mklink Xlink Xfile
408  if !v:shell_error
409    call assert_equal(s:normalize_fname(getcwd() . '\Xfile'), s:normalize_fname(resolve('./Xlink')))
410    call delete('Xlink')
411  else
412    echomsg 'skipped test for symbolic link to a file'
413  endif
414  call delete('Xfile')
415
416  " test for junction to a directory
417  call mkdir('Xdir')
418  silent !mklink /J Xlink Xdir
419  if !v:shell_error
420    call assert_equal(s:normalize_fname(getcwd() . '\Xdir'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
421
422    call delete('Xdir', 'd')
423
424    " test for junction already removed
425    call assert_equal(s:normalize_fname(getcwd() . '\Xlink'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
426    call delete('Xlink')
427  else
428    echomsg 'skipped test for junction to a directory'
429    call delete('Xdir', 'd')
430  endif
431
432  " test for symbolic link to a directory
433  call mkdir('Xdir')
434  silent !mklink /D Xlink Xdir
435  if !v:shell_error
436    call assert_equal(s:normalize_fname(getcwd() . '\Xdir'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
437
438    call delete('Xdir', 'd')
439
440    " test for symbolic link already removed
441    call assert_equal(s:normalize_fname(getcwd() . '\Xlink'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
442    call delete('Xlink')
443  else
444    echomsg 'skipped test for symbolic link to a directory'
445    call delete('Xdir', 'd')
446  endif
447
448  " test for buffer name
449  new Xfile
450  wq
451  silent !mklink Xlink Xfile
452  if !v:shell_error
453    edit Xlink
454    call assert_equal('Xlink', bufname('%'))
455    call delete('Xlink')
456    bw!
457  else
458    echomsg 'skipped test for buffer name'
459  endif
460  call delete('Xfile')
461
462  " test for reparse point
463  call mkdir('Xdir')
464  call assert_equal('Xdir', resolve('Xdir'))
465  silent !mklink /D Xdirlink Xdir
466  if !v:shell_error
467    w Xdir/text.txt
468    call assert_equal('Xdir/text.txt', resolve('Xdir/text.txt'))
469    call assert_equal(s:normalize_fname(getcwd() . '\Xdir\text.txt'), s:normalize_fname(resolve('Xdirlink\text.txt')))
470    call assert_equal(s:normalize_fname(getcwd() . '\Xdir'), s:normalize_fname(resolve('Xdirlink')))
471    call delete('Xdirlink')
472  else
473    echomsg 'skipped test for reparse point'
474  endif
475
476  call delete('Xdir', 'rf')
477endfunc
478
479func Test_simplify()
480  call assert_equal('',            simplify(''))
481  call assert_equal('/',           simplify('/'))
482  call assert_equal('/',           simplify('/.'))
483  call assert_equal('/',           simplify('/..'))
484  call assert_equal('/...',        simplify('/...'))
485  call assert_equal('//path',      simplify('//path'))
486  if has('unix')
487    call assert_equal('/path',       simplify('///path'))
488    call assert_equal('/path',       simplify('////path'))
489  endif
490
491  call assert_equal('./dir/file',  './dir/file'->simplify())
492  call assert_equal('./dir/file',  simplify('.///dir//file'))
493  call assert_equal('./dir/file',  simplify('./dir/./file'))
494  call assert_equal('./file',      simplify('./dir/../file'))
495  call assert_equal('../dir/file', simplify('dir/../../dir/file'))
496  call assert_equal('./file',      simplify('dir/.././file'))
497  call assert_equal('../dir',      simplify('./../dir'))
498  call assert_equal('..',          simplify('../testdir/..'))
499  call mkdir('Xdir')
500  call assert_equal('.',           simplify('Xdir/../.'))
501  call delete('Xdir', 'd')
502
503  call assert_fails('call simplify({->0})', 'E729:')
504  call assert_fails('call simplify([])', 'E730:')
505  call assert_fails('call simplify({})', 'E731:')
506  if has('float')
507    call assert_equal('1.2', simplify(1.2))
508    call CheckDefFailure(['echo simplify(1.2)'], 'E1013:')
509    call CheckScriptFailure(['vim9script', 'echo simplify(1.2)'], 'E806:')
510  endif
511endfunc
512
513func Test_pathshorten()
514  call assert_equal('', pathshorten(''))
515  call assert_equal('foo', pathshorten('foo'))
516  call assert_equal('/foo', '/foo'->pathshorten())
517  call assert_equal('f/', pathshorten('foo/'))
518  call assert_equal('f/bar', pathshorten('foo/bar'))
519  call assert_equal('f/b/foobar', 'foo/bar/foobar'->pathshorten())
520  call assert_equal('/f/b/foobar', pathshorten('/foo/bar/foobar'))
521  call assert_equal('.f/bar', pathshorten('.foo/bar'))
522  call assert_equal('~f/bar', pathshorten('~foo/bar'))
523  call assert_equal('~.f/bar', pathshorten('~.foo/bar'))
524  call assert_equal('.~f/bar', pathshorten('.~foo/bar'))
525  call assert_equal('~/f/bar', pathshorten('~/foo/bar'))
526  call assert_fails('call pathshorten([])', 'E730:')
527
528  " test pathshorten with optional variable to set preferred size of shortening
529  call assert_equal('', pathshorten('', 2))
530  call assert_equal('foo', pathshorten('foo', 2))
531  call assert_equal('/foo', pathshorten('/foo', 2))
532  call assert_equal('fo/', pathshorten('foo/', 2))
533  call assert_equal('fo/bar', pathshorten('foo/bar', 2))
534  call assert_equal('fo/ba/foobar', pathshorten('foo/bar/foobar', 2))
535  call assert_equal('/fo/ba/foobar', pathshorten('/foo/bar/foobar', 2))
536  call assert_equal('.fo/bar', pathshorten('.foo/bar', 2))
537  call assert_equal('~fo/bar', pathshorten('~foo/bar', 2))
538  call assert_equal('~.fo/bar', pathshorten('~.foo/bar', 2))
539  call assert_equal('.~fo/bar', pathshorten('.~foo/bar', 2))
540  call assert_equal('~/fo/bar', pathshorten('~/foo/bar', 2))
541  call assert_fails('call pathshorten([],2)', 'E730:')
542  call assert_notequal('~/fo/bar', pathshorten('~/foo/bar', 3))
543  call assert_equal('~/foo/bar', pathshorten('~/foo/bar', 3))
544  call assert_equal('~/f/bar', pathshorten('~/foo/bar', 0))
545endfunc
546
547func Test_strpart()
548  call assert_equal('de', strpart('abcdefg', 3, 2))
549  call assert_equal('ab', strpart('abcdefg', -2, 4))
550  call assert_equal('abcdefg', 'abcdefg'->strpart(-2))
551  call assert_equal('fg', strpart('abcdefg', 5, 4))
552  call assert_equal('defg', strpart('abcdefg', 3))
553  call assert_equal('', strpart('abcdefg', 10))
554  call assert_fails("let s=strpart('abcdef', [])", 'E745:')
555
556  call assert_equal('lép', strpart('éléphant', 2, 4))
557  call assert_equal('léphant', strpart('éléphant', 2))
558
559  call assert_equal('é', strpart('éléphant', 0, 1, 1))
560  call assert_equal('ép', strpart('éléphant', 3, 2, v:true))
561  call assert_equal('ó', strpart('cómposed', 1, 1, 1))
562endfunc
563
564func Test_tolower()
565  call assert_equal("", tolower(""))
566
567  " Test with all printable ASCII characters.
568  call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[\]^_`abcdefghijklmnopqrstuvwxyz{|}~',
569          \ tolower(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~'))
570
571  " Test with a few uppercase diacritics.
572  call assert_equal("aàáâãäåāăąǎǟǡả", tolower("AÀÁÂÃÄÅĀĂĄǍǞǠẢ"))
573  call assert_equal("bḃḇ", tolower("BḂḆ"))
574  call assert_equal("cçćĉċč", tolower("CÇĆĈĊČ"))
575  call assert_equal("dďđḋḏḑ", tolower("DĎĐḊḎḐ"))
576  call assert_equal("eèéêëēĕėęěẻẽ", tolower("EÈÉÊËĒĔĖĘĚẺẼ"))
577  call assert_equal("fḟ ", tolower("FḞ "))
578  call assert_equal("gĝğġģǥǧǵḡ", tolower("GĜĞĠĢǤǦǴḠ"))
579  call assert_equal("hĥħḣḧḩ", tolower("HĤĦḢḦḨ"))
580  call assert_equal("iìíîïĩīĭįiǐỉ", tolower("IÌÍÎÏĨĪĬĮİǏỈ"))
581  call assert_equal("jĵ", tolower("JĴ"))
582  call assert_equal("kķǩḱḵ", tolower("KĶǨḰḴ"))
583  call assert_equal("lĺļľŀłḻ", tolower("LĹĻĽĿŁḺ"))
584  call assert_equal("mḿṁ", tolower("MḾṀ"))
585  call assert_equal("nñńņňṅṉ", tolower("NÑŃŅŇṄṈ"))
586  call assert_equal("oòóôõöøōŏőơǒǫǭỏ", tolower("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ"))
587  call assert_equal("pṕṗ", tolower("PṔṖ"))
588  call assert_equal("q", tolower("Q"))
589  call assert_equal("rŕŗřṙṟ", tolower("RŔŖŘṘṞ"))
590  call assert_equal("sśŝşšṡ", tolower("SŚŜŞŠṠ"))
591  call assert_equal("tţťŧṫṯ", tolower("TŢŤŦṪṮ"))
592  call assert_equal("uùúûüũūŭůűųưǔủ", tolower("UÙÚÛÜŨŪŬŮŰŲƯǓỦ"))
593  call assert_equal("vṽ", tolower("VṼ"))
594  call assert_equal("wŵẁẃẅẇ", tolower("WŴẀẂẄẆ"))
595  call assert_equal("xẋẍ", tolower("XẊẌ"))
596  call assert_equal("yýŷÿẏỳỷỹ", tolower("YÝŶŸẎỲỶỸ"))
597  call assert_equal("zźżžƶẑẕ", tolower("ZŹŻŽƵẐẔ"))
598
599  " Test with a few lowercase diacritics, which should remain unchanged.
600  call assert_equal("aàáâãäåāăąǎǟǡả", tolower("aàáâãäåāăąǎǟǡả"))
601  call assert_equal("bḃḇ", tolower("bḃḇ"))
602  call assert_equal("cçćĉċč", tolower("cçćĉċč"))
603  call assert_equal("dďđḋḏḑ", tolower("dďđḋḏḑ"))
604  call assert_equal("eèéêëēĕėęěẻẽ", tolower("eèéêëēĕėęěẻẽ"))
605  call assert_equal("fḟ", tolower("fḟ"))
606  call assert_equal("gĝğġģǥǧǵḡ", tolower("gĝğġģǥǧǵḡ"))
607  call assert_equal("hĥħḣḧḩẖ", tolower("hĥħḣḧḩẖ"))
608  call assert_equal("iìíîïĩīĭįǐỉ", tolower("iìíîïĩīĭįǐỉ"))
609  call assert_equal("jĵǰ", tolower("jĵǰ"))
610  call assert_equal("kķǩḱḵ", tolower("kķǩḱḵ"))
611  call assert_equal("lĺļľŀłḻ", tolower("lĺļľŀłḻ"))
612  call assert_equal("mḿṁ ", tolower("mḿṁ "))
613  call assert_equal("nñńņňʼnṅṉ", tolower("nñńņňʼnṅṉ"))
614  call assert_equal("oòóôõöøōŏőơǒǫǭỏ", tolower("oòóôõöøōŏőơǒǫǭỏ"))
615  call assert_equal("pṕṗ", tolower("pṕṗ"))
616  call assert_equal("q", tolower("q"))
617  call assert_equal("rŕŗřṙṟ", tolower("rŕŗřṙṟ"))
618  call assert_equal("sśŝşšṡ", tolower("sśŝşšṡ"))
619  call assert_equal("tţťŧṫṯẗ", tolower("tţťŧṫṯẗ"))
620  call assert_equal("uùúûüũūŭůűųưǔủ", tolower("uùúûüũūŭůűųưǔủ"))
621  call assert_equal("vṽ", tolower("vṽ"))
622  call assert_equal("wŵẁẃẅẇẘ", tolower("wŵẁẃẅẇẘ"))
623  call assert_equal("ẋẍ", tolower("ẋẍ"))
624  call assert_equal("yýÿŷẏẙỳỷỹ", tolower("yýÿŷẏẙỳỷỹ"))
625  call assert_equal("zźżžƶẑẕ", tolower("zźżžƶẑẕ"))
626
627  " According to https://twitter.com/jifa/status/625776454479970304
628  " Ⱥ (U+023A) and Ⱦ (U+023E) are the *only* code points to increase
629  " in length (2 to 3 bytes) when lowercased. So let's test them.
630  call assert_equal("ⱥ ⱦ", tolower("Ⱥ Ⱦ"))
631
632  " This call to tolower with invalid utf8 sequence used to cause access to
633  " invalid memory.
634  call tolower("\xC0\x80\xC0")
635  call tolower("123\xC0\x80\xC0")
636
637  " Test in latin1 encoding
638  let save_enc = &encoding
639  set encoding=latin1
640  call assert_equal("abc", tolower("ABC"))
641  let &encoding = save_enc
642endfunc
643
644func Test_toupper()
645  call assert_equal("", toupper(""))
646
647  " Test with all printable ASCII characters.
648  call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~',
649          \ toupper(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~'))
650
651  " Test with a few lowercase diacritics.
652  call assert_equal("AÀÁÂÃÄÅĀĂĄǍǞǠẢ", "aàáâãäåāăąǎǟǡả"->toupper())
653  call assert_equal("BḂḆ", toupper("bḃḇ"))
654  call assert_equal("CÇĆĈĊČ", toupper("cçćĉċč"))
655  call assert_equal("DĎĐḊḎḐ", toupper("dďđḋḏḑ"))
656  call assert_equal("EÈÉÊËĒĔĖĘĚẺẼ", toupper("eèéêëēĕėęěẻẽ"))
657  call assert_equal("FḞ", toupper("fḟ"))
658  call assert_equal("GĜĞĠĢǤǦǴḠ", toupper("gĝğġģǥǧǵḡ"))
659  call assert_equal("HĤĦḢḦḨẖ", toupper("hĥħḣḧḩẖ"))
660  call assert_equal("IÌÍÎÏĨĪĬĮǏỈ", toupper("iìíîïĩīĭįǐỉ"))
661  call assert_equal("JĴǰ", toupper("jĵǰ"))
662  call assert_equal("KĶǨḰḴ", toupper("kķǩḱḵ"))
663  call assert_equal("LĹĻĽĿŁḺ", toupper("lĺļľŀłḻ"))
664  call assert_equal("MḾṀ ", toupper("mḿṁ "))
665  call assert_equal("NÑŃŅŇʼnṄṈ", toupper("nñńņňʼnṅṉ"))
666  call assert_equal("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ", toupper("oòóôõöøōŏőơǒǫǭỏ"))
667  call assert_equal("PṔṖ", toupper("pṕṗ"))
668  call assert_equal("Q", toupper("q"))
669  call assert_equal("RŔŖŘṘṞ", toupper("rŕŗřṙṟ"))
670  call assert_equal("SŚŜŞŠṠ", toupper("sśŝşšṡ"))
671  call assert_equal("TŢŤŦṪṮẗ", toupper("tţťŧṫṯẗ"))
672  call assert_equal("UÙÚÛÜŨŪŬŮŰŲƯǓỦ", toupper("uùúûüũūŭůűųưǔủ"))
673  call assert_equal("VṼ", toupper("vṽ"))
674  call assert_equal("WŴẀẂẄẆẘ", toupper("wŵẁẃẅẇẘ"))
675  call assert_equal("ẊẌ", toupper("ẋẍ"))
676  call assert_equal("YÝŸŶẎẙỲỶỸ", toupper("yýÿŷẏẙỳỷỹ"))
677  call assert_equal("ZŹŻŽƵẐẔ", toupper("zźżžƶẑẕ"))
678
679  " Test that uppercase diacritics, which should remain unchanged.
680  call assert_equal("AÀÁÂÃÄÅĀĂĄǍǞǠẢ", toupper("AÀÁÂÃÄÅĀĂĄǍǞǠẢ"))
681  call assert_equal("BḂḆ", toupper("BḂḆ"))
682  call assert_equal("CÇĆĈĊČ", toupper("CÇĆĈĊČ"))
683  call assert_equal("DĎĐḊḎḐ", toupper("DĎĐḊḎḐ"))
684  call assert_equal("EÈÉÊËĒĔĖĘĚẺẼ", toupper("EÈÉÊËĒĔĖĘĚẺẼ"))
685  call assert_equal("FḞ ", toupper("FḞ "))
686  call assert_equal("GĜĞĠĢǤǦǴḠ", toupper("GĜĞĠĢǤǦǴḠ"))
687  call assert_equal("HĤĦḢḦḨ", toupper("HĤĦḢḦḨ"))
688  call assert_equal("IÌÍÎÏĨĪĬĮİǏỈ", toupper("IÌÍÎÏĨĪĬĮİǏỈ"))
689  call assert_equal("JĴ", toupper("JĴ"))
690  call assert_equal("KĶǨḰḴ", toupper("KĶǨḰḴ"))
691  call assert_equal("LĹĻĽĿŁḺ", toupper("LĹĻĽĿŁḺ"))
692  call assert_equal("MḾṀ", toupper("MḾṀ"))
693  call assert_equal("NÑŃŅŇṄṈ", toupper("NÑŃŅŇṄṈ"))
694  call assert_equal("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ", toupper("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ"))
695  call assert_equal("PṔṖ", toupper("PṔṖ"))
696  call assert_equal("Q", toupper("Q"))
697  call assert_equal("RŔŖŘṘṞ", toupper("RŔŖŘṘṞ"))
698  call assert_equal("SŚŜŞŠṠ", toupper("SŚŜŞŠṠ"))
699  call assert_equal("TŢŤŦṪṮ", toupper("TŢŤŦṪṮ"))
700  call assert_equal("UÙÚÛÜŨŪŬŮŰŲƯǓỦ", toupper("UÙÚÛÜŨŪŬŮŰŲƯǓỦ"))
701  call assert_equal("VṼ", toupper("VṼ"))
702  call assert_equal("WŴẀẂẄẆ", toupper("WŴẀẂẄẆ"))
703  call assert_equal("XẊẌ", toupper("XẊẌ"))
704  call assert_equal("YÝŶŸẎỲỶỸ", toupper("YÝŶŸẎỲỶỸ"))
705  call assert_equal("ZŹŻŽƵẐẔ", toupper("ZŹŻŽƵẐẔ"))
706
707  call assert_equal("Ⱥ Ⱦ", toupper("ⱥ ⱦ"))
708
709  " This call to toupper with invalid utf8 sequence used to cause access to
710  " invalid memory.
711  call toupper("\xC0\x80\xC0")
712  call toupper("123\xC0\x80\xC0")
713
714  " Test in latin1 encoding
715  let save_enc = &encoding
716  set encoding=latin1
717  call assert_equal("ABC", toupper("abc"))
718  let &encoding = save_enc
719endfunc
720
721func Test_tr()
722  call assert_equal('foo', tr('bar', 'bar', 'foo'))
723  call assert_equal('zxy', 'cab'->tr('abc', 'xyz'))
724  call assert_fails("let s=tr([], 'abc', 'def')", 'E730:')
725  call assert_fails("let s=tr('abc', [], 'def')", 'E730:')
726  call assert_fails("let s=tr('abc', 'abc', [])", 'E730:')
727  call assert_fails("let s=tr('abcd', 'abcd', 'def')", 'E475:')
728  set encoding=latin1
729  call assert_fails("let s=tr('abcd', 'abcd', 'def')", 'E475:')
730  call assert_equal('hEllO', tr('hello', 'eo', 'EO'))
731  call assert_equal('hello', tr('hello', 'xy', 'ab'))
732  call assert_fails('call tr("abc", "123", "₁₂")', 'E475:')
733  set encoding=utf8
734endfunc
735
736" Tests for the mode() function
737let current_modes = ''
738func Save_mode()
739  let g:current_modes = mode(0) . '-' . mode(1)
740  return ''
741endfunc
742
743" Test for the mode() function
744func Test_mode()
745  new
746  call append(0, ["Blue Ball Black", "Brown Band Bowl", ""])
747
748  " Only complete from the current buffer.
749  set complete=.
750
751  inoremap <F2> <C-R>=Save_mode()<CR>
752
753  normal! 3G
754  exe "normal i\<F2>\<Esc>"
755  call assert_equal('i-i', g:current_modes)
756  " i_CTRL-P: Multiple matches
757  exe "normal i\<C-G>uBa\<C-P>\<F2>\<Esc>u"
758  call assert_equal('i-ic', g:current_modes)
759  " i_CTRL-P: Single match
760  exe "normal iBro\<C-P>\<F2>\<Esc>u"
761  call assert_equal('i-ic', g:current_modes)
762  " i_CTRL-X
763  exe "normal iBa\<C-X>\<F2>\<Esc>u"
764  call assert_equal('i-ix', g:current_modes)
765  " i_CTRL-X CTRL-P: Multiple matches
766  exe "normal iBa\<C-X>\<C-P>\<F2>\<Esc>u"
767  call assert_equal('i-ic', g:current_modes)
768  " i_CTRL-X CTRL-P: Single match
769  exe "normal iBro\<C-X>\<C-P>\<F2>\<Esc>u"
770  call assert_equal('i-ic', g:current_modes)
771  " i_CTRL-X CTRL-P + CTRL-P: Single match
772  exe "normal iBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u"
773  call assert_equal('i-ic', g:current_modes)
774  " i_CTRL-X CTRL-L: Multiple matches
775  exe "normal i\<C-X>\<C-L>\<F2>\<Esc>u"
776  call assert_equal('i-ic', g:current_modes)
777  " i_CTRL-X CTRL-L: Single match
778  exe "normal iBlu\<C-X>\<C-L>\<F2>\<Esc>u"
779  call assert_equal('i-ic', g:current_modes)
780  " i_CTRL-P: No match
781  exe "normal iCom\<C-P>\<F2>\<Esc>u"
782  call assert_equal('i-ic', g:current_modes)
783  " i_CTRL-X CTRL-P: No match
784  exe "normal iCom\<C-X>\<C-P>\<F2>\<Esc>u"
785  call assert_equal('i-ic', g:current_modes)
786  " i_CTRL-X CTRL-L: No match
787  exe "normal iabc\<C-X>\<C-L>\<F2>\<Esc>u"
788  call assert_equal('i-ic', g:current_modes)
789
790  " R_CTRL-P: Multiple matches
791  exe "normal RBa\<C-P>\<F2>\<Esc>u"
792  call assert_equal('R-Rc', g:current_modes)
793  " R_CTRL-P: Single match
794  exe "normal RBro\<C-P>\<F2>\<Esc>u"
795  call assert_equal('R-Rc', g:current_modes)
796  " R_CTRL-X
797  exe "normal RBa\<C-X>\<F2>\<Esc>u"
798  call assert_equal('R-Rx', g:current_modes)
799  " R_CTRL-X CTRL-P: Multiple matches
800  exe "normal RBa\<C-X>\<C-P>\<F2>\<Esc>u"
801  call assert_equal('R-Rc', g:current_modes)
802  " R_CTRL-X CTRL-P: Single match
803  exe "normal RBro\<C-X>\<C-P>\<F2>\<Esc>u"
804  call assert_equal('R-Rc', g:current_modes)
805  " R_CTRL-X CTRL-P + CTRL-P: Single match
806  exe "normal RBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u"
807  call assert_equal('R-Rc', g:current_modes)
808  " R_CTRL-X CTRL-L: Multiple matches
809  exe "normal R\<C-X>\<C-L>\<F2>\<Esc>u"
810  call assert_equal('R-Rc', g:current_modes)
811  " R_CTRL-X CTRL-L: Single match
812  exe "normal RBlu\<C-X>\<C-L>\<F2>\<Esc>u"
813  call assert_equal('R-Rc', g:current_modes)
814  " R_CTRL-P: No match
815  exe "normal RCom\<C-P>\<F2>\<Esc>u"
816  call assert_equal('R-Rc', g:current_modes)
817  " R_CTRL-X CTRL-P: No match
818  exe "normal RCom\<C-X>\<C-P>\<F2>\<Esc>u"
819  call assert_equal('R-Rc', g:current_modes)
820  " R_CTRL-X CTRL-L: No match
821  exe "normal Rabc\<C-X>\<C-L>\<F2>\<Esc>u"
822  call assert_equal('R-Rc', g:current_modes)
823
824  call assert_equal('n', 0->mode())
825  call assert_equal('n', 1->mode())
826
827  " i_CTRL-O
828  exe "normal i\<C-O>:call Save_mode()\<Cr>\<Esc>"
829  call assert_equal("n-niI", g:current_modes)
830
831  " R_CTRL-O
832  exe "normal R\<C-O>:call Save_mode()\<Cr>\<Esc>"
833  call assert_equal("n-niR", g:current_modes)
834
835  " gR_CTRL-O
836  exe "normal gR\<C-O>:call Save_mode()\<Cr>\<Esc>"
837  call assert_equal("n-niV", g:current_modes)
838
839  " How to test operator-pending mode?
840
841  call feedkeys("v", 'xt')
842  call assert_equal('v', mode())
843  call assert_equal('v', mode(1))
844  call feedkeys("\<Esc>V", 'xt')
845  call assert_equal('V', mode())
846  call assert_equal('V', mode(1))
847  call feedkeys("\<Esc>\<C-V>", 'xt')
848  call assert_equal("\<C-V>", mode())
849  call assert_equal("\<C-V>", mode(1))
850  call feedkeys("\<Esc>", 'xt')
851
852  call feedkeys("gh", 'xt')
853  call assert_equal('s', mode())
854  call assert_equal('s', mode(1))
855  call feedkeys("\<Esc>gH", 'xt')
856  call assert_equal('S', mode())
857  call assert_equal('S', mode(1))
858  call feedkeys("\<Esc>g\<C-H>", 'xt')
859  call assert_equal("\<C-S>", mode())
860  call assert_equal("\<C-S>", mode(1))
861  call feedkeys("\<Esc>", 'xt')
862
863  call feedkeys(":echo \<C-R>=Save_mode()\<C-U>\<CR>", 'xt')
864  call assert_equal('c-c', g:current_modes)
865  call feedkeys("gQecho \<C-R>=Save_mode()\<CR>\<CR>vi\<CR>", 'xt')
866  call assert_equal('c-cv', g:current_modes)
867  call feedkeys("Qcall Save_mode()\<CR>vi\<CR>", 'xt')
868  call assert_equal('c-ce', g:current_modes)
869  " How to test Ex mode?
870
871  bwipe!
872  iunmap <F2>
873  set complete&
874endfunc
875
876" Test for append()
877func Test_append()
878  enew!
879  split
880  call append(0, ["foo"])
881  call append(1, [])
882  call append(1, test_null_list())
883  call assert_equal(['foo', ''], getline(1, '$'))
884  split
885  only
886  undo
887  undo
888
889  " Using $ instead of '$' must give an error
890  call assert_fails("call append($, 'foobar')", 'E116:')
891endfunc
892
893" Test for setline()
894func Test_setline()
895  new
896  call setline(0, ["foo"])
897  call setline(0, [])
898  call setline(0, test_null_list())
899  call setline(1, ["bar"])
900  call setline(1, [])
901  call setline(1, test_null_list())
902  call setline(2, [])
903  call setline(2, test_null_list())
904  call setline(3, [])
905  call setline(3, test_null_list())
906  call setline(2, ["baz"])
907  call assert_equal(['bar', 'baz'], getline(1, '$'))
908  close!
909endfunc
910
911func Test_getbufvar()
912  let bnr = bufnr('%')
913  let b:var_num = '1234'
914  let def_num = '5678'
915  call assert_equal('1234', getbufvar(bnr, 'var_num'))
916  call assert_equal('1234', getbufvar(bnr, 'var_num', def_num))
917
918  let bd = getbufvar(bnr, '')
919  call assert_equal('1234', bd['var_num'])
920  call assert_true(exists("bd['changedtick']"))
921  call assert_equal(2, len(bd))
922
923  let bd2 = getbufvar(bnr, '', def_num)
924  call assert_equal(bd, bd2)
925
926  unlet b:var_num
927  call assert_equal(def_num, getbufvar(bnr, 'var_num', def_num))
928  call assert_equal('', getbufvar(bnr, 'var_num'))
929
930  let bd = getbufvar(bnr, '')
931  call assert_equal(1, len(bd))
932  let bd = getbufvar(bnr, '',def_num)
933  call assert_equal(1, len(bd))
934
935  call assert_equal('', getbufvar(9999, ''))
936  call assert_equal(def_num, getbufvar(9999, '', def_num))
937  unlet def_num
938
939  call assert_equal(0, getbufvar(bnr, '&autoindent'))
940  call assert_equal(0, getbufvar(bnr, '&autoindent', 1))
941
942  " Set and get a buffer-local variable
943  call setbufvar(bnr, 'bufvar_test', ['one', 'two'])
944  call assert_equal(['one', 'two'], getbufvar(bnr, 'bufvar_test'))
945
946  " Open new window with forced option values
947  set fileformats=unix,dos
948  new ++ff=dos ++bin ++enc=iso-8859-2
949  call assert_equal('dos', getbufvar(bufnr('%'), '&fileformat'))
950  call assert_equal(1, getbufvar(bufnr('%'), '&bin'))
951  call assert_equal('iso-8859-2', getbufvar(bufnr('%'), '&fenc'))
952  close
953
954  " Get the b: dict.
955  let b:testvar = 'one'
956  new
957  let b:testvar = 'two'
958  let thebuf = bufnr()
959  wincmd w
960  call assert_equal('two', getbufvar(thebuf, 'testvar'))
961  call assert_equal('two', getbufvar(thebuf, '').testvar)
962  bwipe!
963
964  set fileformats&
965endfunc
966
967func Test_last_buffer_nr()
968  call assert_equal(bufnr('$'), last_buffer_nr())
969endfunc
970
971func Test_stridx()
972  call assert_equal(-1, stridx('', 'l'))
973  call assert_equal(0,  stridx('', ''))
974  call assert_equal(0,  'hello'->stridx(''))
975  call assert_equal(-1, stridx('hello', 'L'))
976  call assert_equal(2,  stridx('hello', 'l', -1))
977  call assert_equal(2,  stridx('hello', 'l', 0))
978  call assert_equal(2,  'hello'->stridx('l', 1))
979  call assert_equal(3,  stridx('hello', 'l', 3))
980  call assert_equal(-1, stridx('hello', 'l', 4))
981  call assert_equal(-1, stridx('hello', 'l', 10))
982  call assert_equal(2,  stridx('hello', 'll'))
983  call assert_equal(-1, stridx('hello', 'hello world'))
984  call assert_fails("let n=stridx('hello', [])", 'E730:')
985  call assert_fails("let n=stridx([], 'l')", 'E730:')
986endfunc
987
988func Test_strridx()
989  call assert_equal(-1, strridx('', 'l'))
990  call assert_equal(0,  strridx('', ''))
991  call assert_equal(5,  strridx('hello', ''))
992  call assert_equal(-1, strridx('hello', 'L'))
993  call assert_equal(3,  'hello'->strridx('l'))
994  call assert_equal(3,  strridx('hello', 'l', 10))
995  call assert_equal(3,  strridx('hello', 'l', 3))
996  call assert_equal(2,  strridx('hello', 'l', 2))
997  call assert_equal(-1, strridx('hello', 'l', 1))
998  call assert_equal(-1, strridx('hello', 'l', 0))
999  call assert_equal(-1, strridx('hello', 'l', -1))
1000  call assert_equal(2,  strridx('hello', 'll'))
1001  call assert_equal(-1, strridx('hello', 'hello world'))
1002  call assert_fails("let n=strridx('hello', [])", 'E730:')
1003  call assert_fails("let n=strridx([], 'l')", 'E730:')
1004endfunc
1005
1006func Test_match_func()
1007  call assert_equal(4,  match('testing', 'ing'))
1008  call assert_equal(4,  'testing'->match('ing', 2))
1009  call assert_equal(-1, match('testing', 'ing', 5))
1010  call assert_equal(-1, match('testing', 'ing', 8))
1011  call assert_equal(1, match(['vim', 'testing', 'execute'], 'ing'))
1012  call assert_equal(-1, match(['vim', 'testing', 'execute'], 'img'))
1013  call assert_fails("let x=match('vim', [])", 'E730:')
1014  call assert_equal(3, match(['a', 'b', 'c', 'a'], 'a', 1))
1015  call assert_equal(-1, match(['a', 'b', 'c', 'a'], 'a', 5))
1016  call assert_equal(4,  match('testing', 'ing', -1))
1017  call assert_fails("let x=match('testing', 'ing', 0, [])", 'E745:')
1018  call assert_equal(-1, match(test_null_list(), 2))
1019  call assert_equal(-1, match('abc', '\\%('))
1020endfunc
1021
1022func Test_matchend()
1023  call assert_equal(7,  matchend('testing', 'ing'))
1024  call assert_equal(7,  'testing'->matchend('ing', 2))
1025  call assert_equal(-1, matchend('testing', 'ing', 5))
1026  call assert_equal(-1, matchend('testing', 'ing', 8))
1027  call assert_equal(match(['vim', 'testing', 'execute'], 'ing'), matchend(['vim', 'testing', 'execute'], 'ing'))
1028  call assert_equal(match(['vim', 'testing', 'execute'], 'img'), matchend(['vim', 'testing', 'execute'], 'img'))
1029endfunc
1030
1031func Test_matchlist()
1032  call assert_equal(['acd', 'a', '', 'c', 'd', '', '', '', '', ''],  matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)'))
1033  call assert_equal(['d', '', '', '', 'd', '', '', '', '', ''],  'acd'->matchlist('\(a\)\?\(b\)\?\(c\)\?\(.*\)', 2))
1034  call assert_equal([],  matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)', 4))
1035endfunc
1036
1037func Test_matchstr()
1038  call assert_equal('ing',  matchstr('testing', 'ing'))
1039  call assert_equal('ing',  'testing'->matchstr('ing', 2))
1040  call assert_equal('', matchstr('testing', 'ing', 5))
1041  call assert_equal('', matchstr('testing', 'ing', 8))
1042  call assert_equal('testing', matchstr(['vim', 'testing', 'execute'], 'ing'))
1043  call assert_equal('', matchstr(['vim', 'testing', 'execute'], 'img'))
1044endfunc
1045
1046func Test_matchstrpos()
1047  call assert_equal(['ing', 4, 7], matchstrpos('testing', 'ing'))
1048  call assert_equal(['ing', 4, 7], 'testing'->matchstrpos('ing', 2))
1049  call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 5))
1050  call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 8))
1051  call assert_equal(['ing', 1, 4, 7], matchstrpos(['vim', 'testing', 'execute'], 'ing'))
1052  call assert_equal(['', -1, -1, -1], matchstrpos(['vim', 'testing', 'execute'], 'img'))
1053  call assert_equal(['', -1, -1], matchstrpos(test_null_list(), '\a'))
1054endfunc
1055
1056func Test_nextnonblank_prevnonblank()
1057  new
1058insert
1059This
1060
1061
1062is
1063
1064a
1065Test
1066.
1067  call assert_equal(0, nextnonblank(-1))
1068  call assert_equal(0, nextnonblank(0))
1069  call assert_equal(1, nextnonblank(1))
1070  call assert_equal(4, 2->nextnonblank())
1071  call assert_equal(4, nextnonblank(3))
1072  call assert_equal(4, nextnonblank(4))
1073  call assert_equal(6, nextnonblank(5))
1074  call assert_equal(6, nextnonblank(6))
1075  call assert_equal(7, nextnonblank(7))
1076  call assert_equal(0, 8->nextnonblank())
1077
1078  call assert_equal(0, prevnonblank(-1))
1079  call assert_equal(0, prevnonblank(0))
1080  call assert_equal(1, 1->prevnonblank())
1081  call assert_equal(1, prevnonblank(2))
1082  call assert_equal(1, prevnonblank(3))
1083  call assert_equal(4, prevnonblank(4))
1084  call assert_equal(4, 5->prevnonblank())
1085  call assert_equal(6, prevnonblank(6))
1086  call assert_equal(7, prevnonblank(7))
1087  call assert_equal(0, prevnonblank(8))
1088  bw!
1089endfunc
1090
1091func Test_byte2line_line2byte()
1092  new
1093  set endofline
1094  call setline(1, ['a', 'bc', 'd'])
1095
1096  set fileformat=unix
1097  call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1],
1098  \                 map(range(-1, 8), 'byte2line(v:val)'))
1099  call assert_equal([-1, -1, 1, 3, 6, 8, -1],
1100  \                 map(range(-1, 5), 'line2byte(v:val)'))
1101
1102  set fileformat=mac
1103  call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1],
1104  \                 map(range(-1, 8), 'v:val->byte2line()'))
1105  call assert_equal([-1, -1, 1, 3, 6, 8, -1],
1106  \                 map(range(-1, 5), 'v:val->line2byte()'))
1107
1108  set fileformat=dos
1109  call assert_equal([-1, -1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, -1],
1110  \                 map(range(-1, 11), 'byte2line(v:val)'))
1111  call assert_equal([-1, -1, 1, 4, 8, 11, -1],
1112  \                 map(range(-1, 5), 'line2byte(v:val)'))
1113
1114  bw!
1115  set noendofline nofixendofline
1116  normal a-
1117  for ff in ["unix", "mac", "dos"]
1118    let &fileformat = ff
1119    call assert_equal(1, line2byte(1))
1120    call assert_equal(2, line2byte(2))  " line2byte(line("$") + 1) is the buffer size plus one (as per :help line2byte).
1121  endfor
1122
1123  set endofline& fixendofline& fileformat&
1124  bw!
1125endfunc
1126
1127" Test for byteidx() and byteidxcomp() functions
1128func Test_byteidx()
1129  let a = '.é.' " one char of two bytes
1130  call assert_equal(0, byteidx(a, 0))
1131  call assert_equal(0, byteidxcomp(a, 0))
1132  call assert_equal(1, byteidx(a, 1))
1133  call assert_equal(1, byteidxcomp(a, 1))
1134  call assert_equal(3, byteidx(a, 2))
1135  call assert_equal(3, byteidxcomp(a, 2))
1136  call assert_equal(4, byteidx(a, 3))
1137  call assert_equal(4, byteidxcomp(a, 3))
1138  call assert_equal(-1, byteidx(a, 4))
1139  call assert_equal(-1, byteidxcomp(a, 4))
1140
1141  let b = '.é.' " normal e with composing char
1142  call assert_equal(0, b->byteidx(0))
1143  call assert_equal(1, b->byteidx(1))
1144  call assert_equal(4, b->byteidx(2))
1145  call assert_equal(5, b->byteidx(3))
1146  call assert_equal(-1, b->byteidx(4))
1147  call assert_fails("call byteidx([], 0)", 'E730:')
1148
1149  call assert_equal(0, b->byteidxcomp(0))
1150  call assert_equal(1, b->byteidxcomp(1))
1151  call assert_equal(2, b->byteidxcomp(2))
1152  call assert_equal(4, b->byteidxcomp(3))
1153  call assert_equal(5, b->byteidxcomp(4))
1154  call assert_equal(-1, b->byteidxcomp(5))
1155  call assert_fails("call byteidxcomp([], 0)", 'E730:')
1156endfunc
1157
1158" Test for charidx()
1159func Test_charidx()
1160  let a = 'xáb́y'
1161  call assert_equal(0, charidx(a, 0))
1162  call assert_equal(1, charidx(a, 3))
1163  call assert_equal(2, charidx(a, 4))
1164  call assert_equal(3, charidx(a, 7))
1165  call assert_equal(-1, charidx(a, 8))
1166  call assert_equal(-1, charidx(a, -1))
1167  call assert_equal(-1, charidx('', 0))
1168  call assert_equal(-1, charidx(test_null_string(), 0))
1169
1170  " count composing characters
1171  call assert_equal(0, charidx(a, 0, 1))
1172  call assert_equal(2, charidx(a, 2, 1))
1173  call assert_equal(3, charidx(a, 4, 1))
1174  call assert_equal(5, charidx(a, 7, 1))
1175  call assert_equal(-1, charidx(a, 8, 1))
1176  call assert_equal(-1, charidx('', 0, 1))
1177
1178  call assert_fails('let x = charidx([], 1)', 'E474:')
1179  call assert_fails('let x = charidx("abc", [])', 'E474:')
1180  call assert_fails('let x = charidx("abc", 1, [])', 'E474:')
1181  call assert_fails('let x = charidx("abc", 1, -1)', 'E1023:')
1182  call assert_fails('let x = charidx("abc", 1, 2)', 'E1023:')
1183endfunc
1184
1185func Test_count()
1186  let l = ['a', 'a', 'A', 'b']
1187  call assert_equal(2, count(l, 'a'))
1188  call assert_equal(1, count(l, 'A'))
1189  call assert_equal(1, count(l, 'b'))
1190  call assert_equal(0, count(l, 'B'))
1191
1192  call assert_equal(2, count(l, 'a', 0))
1193  call assert_equal(1, count(l, 'A', 0))
1194  call assert_equal(1, count(l, 'b', 0))
1195  call assert_equal(0, count(l, 'B', 0))
1196
1197  call assert_equal(3, count(l, 'a', 1))
1198  call assert_equal(3, count(l, 'A', 1))
1199  call assert_equal(1, count(l, 'b', 1))
1200  call assert_equal(1, count(l, 'B', 1))
1201  call assert_equal(0, count(l, 'c', 1))
1202
1203  call assert_equal(1, count(l, 'a', 0, 1))
1204  call assert_equal(2, count(l, 'a', 1, 1))
1205  call assert_fails('call count(l, "a", 0, 10)', 'E684:')
1206  call assert_fails('call count(l, "a", [])', 'E745:')
1207
1208  let d = {1: 'a', 2: 'a', 3: 'A', 4: 'b'}
1209  call assert_equal(2, count(d, 'a'))
1210  call assert_equal(1, count(d, 'A'))
1211  call assert_equal(1, count(d, 'b'))
1212  call assert_equal(0, count(d, 'B'))
1213
1214  call assert_equal(2, count(d, 'a', 0))
1215  call assert_equal(1, count(d, 'A', 0))
1216  call assert_equal(1, count(d, 'b', 0))
1217  call assert_equal(0, count(d, 'B', 0))
1218
1219  call assert_equal(3, count(d, 'a', 1))
1220  call assert_equal(3, count(d, 'A', 1))
1221  call assert_equal(1, count(d, 'b', 1))
1222  call assert_equal(1, count(d, 'B', 1))
1223  call assert_equal(0, count(d, 'c', 1))
1224
1225  call assert_fails('call count(d, "a", 0, 1)', 'E474:')
1226
1227  call assert_equal(0, count("foo", "bar"))
1228  call assert_equal(1, count("foo", "oo"))
1229  call assert_equal(2, count("foo", "o"))
1230  call assert_equal(0, count("foo", "O"))
1231  call assert_equal(2, count("foo", "O", 1))
1232  call assert_equal(2, count("fooooo", "oo"))
1233  call assert_equal(0, count("foo", ""))
1234
1235  call assert_fails('call count(0, 0)', 'E712:')
1236endfunc
1237
1238func Test_changenr()
1239  new Xchangenr
1240  call assert_equal(0, changenr())
1241  norm ifoo
1242  call assert_equal(1, changenr())
1243  set undolevels=10
1244  norm Sbar
1245  call assert_equal(2, changenr())
1246  undo
1247  call assert_equal(1, changenr())
1248  redo
1249  call assert_equal(2, changenr())
1250  bw!
1251  set undolevels&
1252endfunc
1253
1254func Test_filewritable()
1255  new Xfilewritable
1256  write!
1257  call assert_equal(1, filewritable('Xfilewritable'))
1258
1259  call assert_notequal(0, setfperm('Xfilewritable', 'r--r-----'))
1260  call assert_equal(0, filewritable('Xfilewritable'))
1261
1262  call assert_notequal(0, setfperm('Xfilewritable', 'rw-r-----'))
1263  call assert_equal(1, 'Xfilewritable'->filewritable())
1264
1265  call assert_equal(0, filewritable('doesnotexist'))
1266
1267  call mkdir('Xdir')
1268  call assert_equal(2, filewritable('Xdir'))
1269  call delete('Xdir', 'd')
1270
1271  call delete('Xfilewritable')
1272  bw!
1273endfunc
1274
1275func Test_Executable()
1276  if has('win32')
1277    call assert_equal(1, executable('notepad'))
1278    call assert_equal(1, 'notepad.exe'->executable())
1279    call assert_equal(0, executable('notepad.exe.exe'))
1280    call assert_equal(0, executable('shell32.dll'))
1281    call assert_equal(0, executable('win.ini'))
1282
1283    " get "notepad" path and remove the leading drive and sep. (ex. 'C:\')
1284    let notepadcmd = exepath('notepad.exe')
1285    let driveroot = notepadcmd[:2]
1286    let notepadcmd = notepadcmd[3:]
1287    new
1288    " check that the relative path works in /
1289    execute 'lcd' driveroot
1290    call assert_equal(1, executable(notepadcmd))
1291    call assert_equal(driveroot .. notepadcmd, notepadcmd->exepath())
1292    bwipe
1293
1294    " create "notepad.bat"
1295    call mkdir('Xdir')
1296    let notepadbat = fnamemodify('Xdir/notepad.bat', ':p')
1297    call writefile([], notepadbat)
1298    new
1299    " check that the path and the pathext order is valid
1300    lcd Xdir
1301    let [pathext, $PATHEXT] = [$PATHEXT, '.com;.exe;.bat;.cmd']
1302    call assert_equal(notepadbat, exepath('notepad'))
1303    let $PATHEXT = pathext
1304    bwipe
1305    eval 'Xdir'->delete('rf')
1306  elseif has('unix')
1307    call assert_equal(1, 'cat'->executable())
1308    call assert_equal(0, executable('nodogshere'))
1309
1310    " get "cat" path and remove the leading /
1311    let catcmd = exepath('cat')[1:]
1312    new
1313    " check that the relative path works in /
1314    lcd /
1315    call assert_equal(1, executable(catcmd))
1316    let result = catcmd->exepath()
1317    " when using chroot looking for sbin/cat can return bin/cat, that is OK
1318    if catcmd =~ '\<sbin\>' && result =~ '\<bin\>'
1319      call assert_equal('/' .. substitute(catcmd, '\<sbin\>', 'bin', ''), result)
1320    else
1321      call assert_equal('/' .. catcmd, result)
1322    endif
1323    bwipe
1324  else
1325    throw 'Skipped: does not work on this platform'
1326  endif
1327endfunc
1328
1329func Test_executable_longname()
1330  CheckMSWindows
1331
1332  " Create a temporary .bat file with 205 characters in the name.
1333  " Maximum length of a filename (including the path) on MS-Windows is 259
1334  " characters.
1335  " See https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation
1336  let len = 259 - getcwd()->len() - 6
1337  if len > 200
1338    let len = 200
1339  endif
1340
1341  let fname = 'X' . repeat('あ', len) . '.bat'
1342  call writefile([], fname)
1343  call assert_equal(1, executable(fname))
1344  call delete(fname)
1345endfunc
1346
1347func Test_hostname()
1348  let hostname_vim = hostname()
1349  if has('unix')
1350    let hostname_system = systemlist('uname -n')[0]
1351    call assert_equal(hostname_vim, hostname_system)
1352  endif
1353endfunc
1354
1355func Test_getpid()
1356  " getpid() always returns the same value within a vim instance.
1357  call assert_equal(getpid(), getpid())
1358  if has('unix')
1359    call assert_equal(systemlist('echo $PPID')[0], string(getpid()))
1360  endif
1361endfunc
1362
1363func Test_hlexists()
1364  call assert_equal(0, hlexists('does_not_exist'))
1365  call assert_equal(0, 'Number'->hlexists())
1366  call assert_equal(0, highlight_exists('does_not_exist'))
1367  call assert_equal(0, highlight_exists('Number'))
1368  syntax on
1369  call assert_equal(0, hlexists('does_not_exist'))
1370  call assert_equal(1, hlexists('Number'))
1371  call assert_equal(0, highlight_exists('does_not_exist'))
1372  call assert_equal(1, highlight_exists('Number'))
1373  syntax off
1374endfunc
1375
1376" Test for the col() function
1377func Test_col()
1378  new
1379  call setline(1, 'abcdef')
1380  norm gg4|mx6|mY2|
1381  call assert_equal(2, col('.'))
1382  call assert_equal(7, col('$'))
1383  call assert_equal(2, col('v'))
1384  call assert_equal(4, col("'x"))
1385  call assert_equal(6, col("'Y"))
1386  call assert_equal(2, [1, 2]->col())
1387  call assert_equal(7, col([1, '$']))
1388
1389  call assert_equal(0, col(''))
1390  call assert_equal(0, col('x'))
1391  call assert_equal(0, col([2, '$']))
1392  call assert_equal(0, col([1, 100]))
1393  call assert_equal(0, col([1]))
1394  call assert_equal(0, col(test_null_list()))
1395  call assert_fails('let c = col({})', 'E731:')
1396
1397  " test for getting the visual start column
1398  func T()
1399    let g:Vcol = col('v')
1400    return ''
1401  endfunc
1402  let g:Vcol = 0
1403  xmap <expr> <F2> T()
1404  exe "normal gg3|ve\<F2>"
1405  call assert_equal(3, g:Vcol)
1406  xunmap <F2>
1407  delfunc T
1408
1409  " Test for the visual line start and end marks '< and '>
1410  call setline(1, ['one', 'one two', 'one two three'])
1411  "normal! ggVG
1412  call feedkeys("ggVG\<Esc>", 'xt')
1413  call assert_equal(1, col("'<"))
1414  call assert_equal(14, col("'>"))
1415  " Delete the last line of the visually selected region
1416  $d
1417  call assert_notequal(14, col("'>"))
1418
1419  " Test with 'virtualedit'
1420  set virtualedit=all
1421  call cursor(1, 10)
1422  call assert_equal(4, col('.'))
1423  set virtualedit&
1424
1425  bw!
1426endfunc
1427
1428" Test for input()
1429func Test_input_func()
1430  " Test for prompt with multiple lines
1431  redir => v
1432  call feedkeys(":let c = input(\"A\\nB\\nC\\n? \")\<CR>B\<CR>", 'xt')
1433  redir END
1434  call assert_equal("B", c)
1435  call assert_equal(['A', 'B', 'C'], split(v, "\n"))
1436
1437  " Test for default value
1438  call feedkeys(":let c = input('color? ', 'red')\<CR>\<CR>", 'xt')
1439  call assert_equal('red', c)
1440
1441  " Test for completion at the input prompt
1442  func! Tcomplete(arglead, cmdline, pos)
1443    return "item1\nitem2\nitem3"
1444  endfunc
1445  call feedkeys(":let c = input('Q? ', '', 'custom,Tcomplete')\<CR>"
1446        \ .. "\<C-A>\<CR>", 'xt')
1447  delfunc Tcomplete
1448  call assert_equal('item1 item2 item3', c)
1449
1450  " Test for using special characters as default input
1451  call feedkeys(":let c = input('name? ', \"x\\<BS>y\")\<CR>\<CR>", 'xt')
1452  call assert_equal('y', c)
1453
1454  " Test for using <CR> as default input
1455  call feedkeys(":let c = input('name? ', \"\\<CR>\")\<CR>x\<CR>", 'xt')
1456  call assert_equal(' x', c)
1457
1458  call assert_fails("call input('F:', '', 'invalid')", 'E180:')
1459  call assert_fails("call input('F:', '', [])", 'E730:')
1460endfunc
1461
1462" Test for the inputdialog() function
1463func Test_inputdialog()
1464  set timeout timeoutlen=10
1465  if has('gui_running')
1466    call assert_fails('let v=inputdialog([], "xx")', 'E730:')
1467    call assert_fails('let v=inputdialog("Q", [])', 'E730:')
1468  else
1469    call feedkeys(":let v=inputdialog('Q:', 'xx', 'yy')\<CR>\<CR>", 'xt')
1470    call assert_equal('xx', v)
1471    call feedkeys(":let v=inputdialog('Q:', 'xx', 'yy')\<CR>\<Esc>", 'xt')
1472    call assert_equal('yy', v)
1473  endif
1474  set timeout& timeoutlen&
1475endfunc
1476
1477" Test for inputlist()
1478func Test_inputlist()
1479  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>1\<cr>", 'tx')
1480  call assert_equal(1, c)
1481  call feedkeys(":let c = ['Select color:', '1. red', '2. green', '3. blue']->inputlist()\<cr>2\<cr>", 'tx')
1482  call assert_equal(2, c)
1483  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>3\<cr>", 'tx')
1484  call assert_equal(3, c)
1485
1486  " CR to cancel
1487  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<cr>", 'tx')
1488  call assert_equal(0, c)
1489
1490  " Esc to cancel
1491  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<Esc>", 'tx')
1492  call assert_equal(0, c)
1493
1494  " q to cancel
1495  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>q", 'tx')
1496  call assert_equal(0, c)
1497
1498  " Cancel after inputting a number
1499  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>5q", 'tx')
1500  call assert_equal(0, c)
1501
1502  " Use backspace to delete characters in the prompt
1503  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>1\<BS>3\<BS>2\<cr>", 'tx')
1504  call assert_equal(2, c)
1505
1506  " Use mouse to make a selection
1507  call test_setmouse(&lines - 3, 2)
1508  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<LeftMouse>", 'tx')
1509  call assert_equal(1, c)
1510  " Mouse click outside of the list
1511  call test_setmouse(&lines - 6, 2)
1512  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<LeftMouse>", 'tx')
1513  call assert_equal(-2, c)
1514
1515  call assert_fails('call inputlist("")', 'E686:')
1516  call assert_fails('call inputlist(test_null_list())', 'E686:')
1517endfunc
1518
1519func Test_balloon_show()
1520  CheckFeature balloon_eval
1521
1522  " This won't do anything but must not crash either.
1523  call balloon_show('hi!')
1524  if !has('gui_running')
1525    call balloon_show(range(3))
1526    call balloon_show([])
1527  endif
1528endfunc
1529
1530func Test_setbufvar_options()
1531  " This tests that aucmd_prepbuf() and aucmd_restbuf() properly restore the
1532  " window layout.
1533  call assert_equal(1, winnr('$'))
1534  split dummy_preview
1535  resize 2
1536  set winfixheight winfixwidth
1537  let prev_id = win_getid()
1538
1539  wincmd j
1540  let wh = winheight(0)
1541  let dummy_buf = bufnr('dummy_buf1', v:true)
1542  call setbufvar(dummy_buf, '&buftype', 'nofile')
1543  execute 'belowright vertical split #' . dummy_buf
1544  call assert_equal(wh, winheight(0))
1545  let dum1_id = win_getid()
1546
1547  wincmd h
1548  let wh = winheight(0)
1549  let dummy_buf = bufnr('dummy_buf2', v:true)
1550  eval 'nofile'->setbufvar(dummy_buf, '&buftype')
1551  execute 'belowright vertical split #' . dummy_buf
1552  call assert_equal(wh, winheight(0))
1553
1554  bwipe!
1555  call win_gotoid(prev_id)
1556  bwipe!
1557  call win_gotoid(dum1_id)
1558  bwipe!
1559endfunc
1560
1561func Test_redo_in_nested_functions()
1562  nnoremap g. :set opfunc=Operator<CR>g@
1563  function Operator( type, ... )
1564     let @x = 'XXX'
1565     execute 'normal! g`[' . (a:type ==# 'line' ? 'V' : 'v') . 'g`]' . '"xp'
1566  endfunction
1567
1568  function! Apply()
1569      5,6normal! .
1570  endfunction
1571
1572  new
1573  call setline(1, repeat(['some "quoted" text', 'more "quoted" text'], 3))
1574  1normal g.i"
1575  call assert_equal('some "XXX" text', getline(1))
1576  3,4normal .
1577  call assert_equal('some "XXX" text', getline(3))
1578  call assert_equal('more "XXX" text', getline(4))
1579  call Apply()
1580  call assert_equal('some "XXX" text', getline(5))
1581  call assert_equal('more "XXX" text', getline(6))
1582  bwipe!
1583
1584  nunmap g.
1585  delfunc Operator
1586  delfunc Apply
1587endfunc
1588
1589func Test_trim()
1590  call assert_equal("Testing", trim("  \t\r\r\x0BTesting  \t\n\r\n\t\x0B\x0B"))
1591  call assert_equal("Testing", "  \t  \r\r\n\n\x0BTesting  \t\n\r\n\t\x0B\x0B"->trim())
1592  call assert_equal("RESERVE", trim("xyz \twwRESERVEzyww \t\t", " wxyz\t"))
1593  call assert_equal("wRE    \tSERVEzyww", trim("wRE    \tSERVEzyww"))
1594  call assert_equal("abcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail"))
1595  call assert_equal("\tabcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail", " "))
1596  call assert_equal(" \tabcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail", "abx"))
1597  call assert_equal("RESERVE", trim("你RESERVE好", "你好"))
1598  call assert_equal("您R E SER V E早", trim("你好您R E SER V E早好你你", "你好"))
1599  call assert_equal("你好您R E SER V E早好你你", trim(" \n\r\r   你好您R E SER V E早好你你    \t  \x0B", ))
1600  call assert_equal("您R E SER V E早好你你    \t  \x0B", trim("    你好您R E SER V E早好你你    \t  \x0B", " 你好"))
1601  call assert_equal("您R E SER V E早好你你    \t  \x0B", trim("    tteesstttt你好您R E SER V E早好你你    \t  \x0B ttestt", " 你好tes"))
1602  call assert_equal("您R E SER V E早好你你    \t  \x0B", trim("    tteesstttt你好您R E SER V E早好你你    \t  \x0B ttestt", "   你你你好好好tttsses"))
1603  call assert_equal("留下", trim("这些些不要这些留下这些", "这些不要"))
1604  call assert_equal("", trim("", ""))
1605  call assert_equal("a", trim("a", ""))
1606  call assert_equal("", trim("", "a"))
1607
1608  call assert_equal("vim", trim("  vim  ", " ", 0))
1609  call assert_equal("vim  ", trim("  vim  ", " ", 1))
1610  call assert_equal("  vim", trim("  vim  ", " ", 2))
1611  call assert_fails('eval trim("  vim  ", " ", [])', 'E745:')
1612  call assert_fails('eval trim("  vim  ", " ", -1)', 'E475:')
1613  call assert_fails('eval trim("  vim  ", " ", 3)', 'E475:')
1614
1615  let chars = join(map(range(1, 0x20) + [0xa0], {n -> n->nr2char()}), '')
1616  call assert_equal("x", trim(chars . "x" . chars))
1617
1618  call assert_fails('let c=trim([])', 'E730:')
1619endfunc
1620
1621" Test for reg_recording() and reg_executing()
1622func Test_reg_executing_and_recording()
1623  let s:reg_stat = ''
1624  func s:save_reg_stat()
1625    let s:reg_stat = reg_recording() . ':' . reg_executing()
1626    return ''
1627  endfunc
1628
1629  new
1630  call s:save_reg_stat()
1631  call assert_equal(':', s:reg_stat)
1632  call feedkeys("qa\"=s:save_reg_stat()\<CR>pq", 'xt')
1633  call assert_equal('a:', s:reg_stat)
1634  call feedkeys("@a", 'xt')
1635  call assert_equal(':a', s:reg_stat)
1636  call feedkeys("qb@aq", 'xt')
1637  call assert_equal('b:a', s:reg_stat)
1638  call feedkeys("q\"\"=s:save_reg_stat()\<CR>pq", 'xt')
1639  call assert_equal('":', s:reg_stat)
1640
1641  " :normal command saves and restores reg_executing
1642  let s:reg_stat = ''
1643  let @q = ":call TestFunc()\<CR>:call s:save_reg_stat()\<CR>"
1644  func TestFunc() abort
1645    normal! ia
1646  endfunc
1647  call feedkeys("@q", 'xt')
1648  call assert_equal(':q', s:reg_stat)
1649  delfunc TestFunc
1650
1651  " getchar() command saves and restores reg_executing
1652  map W :call TestFunc()<CR>
1653  let @q = "W"
1654  let g:typed = ''
1655  let g:regs = []
1656  func TestFunc() abort
1657    let g:regs += [reg_executing()]
1658    let g:typed = getchar(0)
1659    let g:regs += [reg_executing()]
1660  endfunc
1661  call feedkeys("@qy", 'xt')
1662  call assert_equal(char2nr("y"), g:typed)
1663  call assert_equal(['q', 'q'], g:regs)
1664  delfunc TestFunc
1665  unmap W
1666  unlet g:typed
1667  unlet g:regs
1668
1669  " input() command saves and restores reg_executing
1670  map W :call TestFunc()<CR>
1671  let @q = "W"
1672  let g:typed = ''
1673  let g:regs = []
1674  func TestFunc() abort
1675    let g:regs += [reg_executing()]
1676    let g:typed = '?'->input()
1677    let g:regs += [reg_executing()]
1678  endfunc
1679  call feedkeys("@qy\<CR>", 'xt')
1680  call assert_equal("y", g:typed)
1681  call assert_equal(['q', 'q'], g:regs)
1682  delfunc TestFunc
1683  unmap W
1684  unlet g:typed
1685  unlet g:regs
1686
1687  bwipe!
1688  delfunc s:save_reg_stat
1689  unlet s:reg_stat
1690endfunc
1691
1692func Test_inputsecret()
1693  map W :call TestFunc()<CR>
1694  let @q = "W"
1695  let g:typed1 = ''
1696  let g:typed2 = ''
1697  let g:regs = []
1698  func TestFunc() abort
1699    let g:typed1 = '?'->inputsecret()
1700    let g:typed2 = inputsecret('password: ')
1701  endfunc
1702  call feedkeys("@qsomething\<CR>else\<CR>", 'xt')
1703  call assert_equal("something", g:typed1)
1704  call assert_equal("else", g:typed2)
1705  delfunc TestFunc
1706  unmap W
1707  unlet g:typed1
1708  unlet g:typed2
1709endfunc
1710
1711func Test_getchar()
1712  call feedkeys('a', '')
1713  call assert_equal(char2nr('a'), getchar())
1714  call assert_equal(0, getchar(0))
1715  call assert_equal(0, getchar(1))
1716
1717  call feedkeys('a', '')
1718  call assert_equal('a', getcharstr())
1719  call assert_equal('', getcharstr(0))
1720  call assert_equal('', getcharstr(1))
1721
1722  call setline(1, 'xxxx')
1723  call test_setmouse(1, 3)
1724  let v:mouse_win = 9
1725  let v:mouse_winid = 9
1726  let v:mouse_lnum = 9
1727  let v:mouse_col = 9
1728  call feedkeys("\<S-LeftMouse>", '')
1729  call assert_equal("\<S-LeftMouse>", getchar())
1730  call assert_equal(1, v:mouse_win)
1731  call assert_equal(win_getid(1), v:mouse_winid)
1732  call assert_equal(1, v:mouse_lnum)
1733  call assert_equal(3, v:mouse_col)
1734  enew!
1735endfunc
1736
1737func Test_libcall_libcallnr()
1738  CheckFeature libcall
1739
1740  if has('win32')
1741    let libc = 'msvcrt.dll'
1742  elseif has('mac')
1743    let libc = 'libSystem.B.dylib'
1744  elseif executable('ldd')
1745    let libc = matchstr(split(system('ldd ' . GetVimProg())), '/libc\.so\>')
1746  endif
1747  if get(l:, 'libc', '') ==# ''
1748    " On Unix, libc.so can be in various places.
1749    if has('linux')
1750      " There is not documented but regarding the 1st argument of glibc's
1751      " dlopen an empty string and nullptr are equivalent, so using an empty
1752      " string for the 1st argument of libcall allows to call functions.
1753      let libc = ''
1754    elseif has('sun')
1755      " Set the path to libc.so according to the architecture.
1756      let test_bits = system('file ' . GetVimProg())
1757      let test_arch = system('uname -p')
1758      if test_bits =~ '64-bit' && test_arch =~ 'sparc'
1759        let libc = '/usr/lib/sparcv9/libc.so'
1760      elseif test_bits =~ '64-bit' && test_arch =~ 'i386'
1761        let libc = '/usr/lib/amd64/libc.so'
1762      else
1763        let libc = '/usr/lib/libc.so'
1764      endif
1765    else
1766      " Unfortunately skip this test until a good way is found.
1767      return
1768    endif
1769  endif
1770
1771  if has('win32')
1772    call assert_equal($USERPROFILE, 'USERPROFILE'->libcall(libc, 'getenv'))
1773  else
1774    call assert_equal($HOME, 'HOME'->libcall(libc, 'getenv'))
1775  endif
1776
1777  " If function returns NULL, libcall() should return an empty string.
1778  call assert_equal('', libcall(libc, 'getenv', 'X_ENV_DOES_NOT_EXIT'))
1779
1780  " Test libcallnr() with string and integer argument.
1781  call assert_equal(4, 'abcd'->libcallnr(libc, 'strlen'))
1782  call assert_equal(char2nr('A'), char2nr('a')->libcallnr(libc, 'toupper'))
1783
1784  call assert_fails("call libcall(libc, 'Xdoesnotexist_', '')", ['', 'E364:'])
1785  call assert_fails("call libcallnr(libc, 'Xdoesnotexist_', '')", ['', 'E364:'])
1786
1787  call assert_fails("call libcall('Xdoesnotexist_', 'getenv', 'HOME')", ['', 'E364:'])
1788  call assert_fails("call libcallnr('Xdoesnotexist_', 'strlen', 'abcd')", ['', 'E364:'])
1789endfunc
1790
1791sandbox function Fsandbox()
1792  normal ix
1793endfunc
1794
1795func Test_func_sandbox()
1796  sandbox let F = {-> 'hello'}
1797  call assert_equal('hello', F())
1798
1799  sandbox let F = {-> "normal ix\<Esc>"->execute()}
1800  call assert_fails('call F()', 'E48:')
1801  unlet F
1802
1803  call assert_fails('call Fsandbox()', 'E48:')
1804  delfunc Fsandbox
1805
1806  " From a sandbox try to set a predefined variable (which cannot be modified
1807  " from a sandbox)
1808  call assert_fails('sandbox let v:lnum = 10', 'E794:')
1809endfunc
1810
1811func EditAnotherFile()
1812  let word = expand('<cword>')
1813  edit Xfuncrange2
1814endfunc
1815
1816func Test_func_range_with_edit()
1817  " Define a function that edits another buffer, then call it with a range that
1818  " is invalid in that buffer.
1819  call writefile(['just one line'], 'Xfuncrange2')
1820  new
1821  eval 10->range()->setline(1)
1822  write Xfuncrange1
1823  call assert_fails('5,8call EditAnotherFile()', 'E16:')
1824
1825  call delete('Xfuncrange1')
1826  call delete('Xfuncrange2')
1827  bwipe!
1828endfunc
1829
1830func Test_func_exists_on_reload()
1831  call writefile(['func ExistingFunction()', 'echo "yes"', 'endfunc'], 'Xfuncexists')
1832  call assert_equal(0, exists('*ExistingFunction'))
1833  source Xfuncexists
1834  call assert_equal(1, '*ExistingFunction'->exists())
1835  " Redefining a function when reloading a script is OK.
1836  source Xfuncexists
1837  call assert_equal(1, exists('*ExistingFunction'))
1838
1839  " But redefining in another script is not OK.
1840  call writefile(['func ExistingFunction()', 'echo "yes"', 'endfunc'], 'Xfuncexists2')
1841  call assert_fails('source Xfuncexists2', 'E122:')
1842
1843  " Defining a new function from the cmdline should fail if the function is
1844  " already defined
1845  call assert_fails('call feedkeys(":func ExistingFunction()\<CR>", "xt")', 'E122:')
1846
1847  delfunc ExistingFunction
1848  call assert_equal(0, exists('*ExistingFunction'))
1849  call writefile([
1850	\ 'func ExistingFunction()', 'echo "yes"', 'endfunc',
1851	\ 'func ExistingFunction()', 'echo "no"', 'endfunc',
1852	\ ], 'Xfuncexists')
1853  call assert_fails('source Xfuncexists', 'E122:')
1854  call assert_equal(1, exists('*ExistingFunction'))
1855
1856  call delete('Xfuncexists2')
1857  call delete('Xfuncexists')
1858  delfunc ExistingFunction
1859endfunc
1860
1861" Test confirm({msg} [, {choices} [, {default} [, {type}]]])
1862func Test_confirm()
1863  CheckUnix
1864  CheckNotGui
1865
1866  call feedkeys('o', 'L')
1867  let a = confirm('Press O to proceed')
1868  call assert_equal(1, a)
1869
1870  call feedkeys('y', 'L')
1871  let a = 'Are you sure?'->confirm("&Yes\n&No")
1872  call assert_equal(1, a)
1873
1874  call feedkeys('n', 'L')
1875  let a = confirm('Are you sure?', "&Yes\n&No")
1876  call assert_equal(2, a)
1877
1878  " confirm() should return 0 when pressing CTRL-C.
1879  call feedkeys("\<C-C>", 'L')
1880  let a = confirm('Are you sure?', "&Yes\n&No")
1881  call assert_equal(0, a)
1882
1883  " <Esc> requires another character to avoid it being seen as the start of an
1884  " escape sequence.  Zero should be harmless.
1885  eval "\<Esc>0"->feedkeys('L')
1886  let a = confirm('Are you sure?', "&Yes\n&No")
1887  call assert_equal(0, a)
1888
1889  " Default choice is returned when pressing <CR>.
1890  call feedkeys("\<CR>", 'L')
1891  let a = confirm('Are you sure?', "&Yes\n&No")
1892  call assert_equal(1, a)
1893
1894  call feedkeys("\<CR>", 'L')
1895  let a = confirm('Are you sure?', "&Yes\n&No", 2)
1896  call assert_equal(2, a)
1897
1898  call feedkeys("\<CR>", 'L')
1899  let a = confirm('Are you sure?', "&Yes\n&No", 0)
1900  call assert_equal(0, a)
1901
1902  " Test with the {type} 4th argument
1903  for type in ['Error', 'Question', 'Info', 'Warning', 'Generic']
1904    call feedkeys('y', 'L')
1905    let a = confirm('Are you sure?', "&Yes\n&No\n", 1, type)
1906    call assert_equal(1, a)
1907  endfor
1908
1909  call assert_fails('call confirm([])', 'E730:')
1910  call assert_fails('call confirm("Are you sure?", [])', 'E730:')
1911  call assert_fails('call confirm("Are you sure?", "&Yes\n&No\n", [])', 'E745:')
1912  call assert_fails('call confirm("Are you sure?", "&Yes\n&No\n", 0, [])', 'E730:')
1913endfunc
1914
1915func Test_platform_name()
1916  " The system matches at most only one name.
1917  let names = ['amiga', 'bsd', 'hpux', 'linux', 'mac', 'qnx', 'sun', 'vms', 'win32', 'win32unix']
1918  call assert_inrange(0, 1, len(filter(copy(names), 'has(v:val)')))
1919
1920  " Is Unix?
1921  call assert_equal(has('bsd'), has('bsd') && has('unix'))
1922  call assert_equal(has('hpux'), has('hpux') && has('unix'))
1923  call assert_equal(has('linux'), has('linux') && has('unix'))
1924  call assert_equal(has('mac'), has('mac') && has('unix'))
1925  call assert_equal(has('qnx'), has('qnx') && has('unix'))
1926  call assert_equal(has('sun'), has('sun') && has('unix'))
1927  call assert_equal(has('win32'), has('win32') && !has('unix'))
1928  call assert_equal(has('win32unix'), has('win32unix') && has('unix'))
1929
1930  if has('unix') && executable('uname')
1931    let uname = system('uname')
1932    " GNU userland on BSD kernels (e.g., GNU/kFreeBSD) don't have BSD defined
1933    call assert_equal(uname =~? '\%(GNU/k\w\+\)\@<!BSD\|DragonFly', has('bsd'))
1934    call assert_equal(uname =~? 'HP-UX', has('hpux'))
1935    call assert_equal(uname =~? 'Linux', has('linux'))
1936    call assert_equal(uname =~? 'Darwin', has('mac'))
1937    call assert_equal(uname =~? 'QNX', has('qnx'))
1938    call assert_equal(uname =~? 'SunOS', has('sun'))
1939    call assert_equal(uname =~? 'CYGWIN\|MSYS', has('win32unix'))
1940  endif
1941endfunc
1942
1943func Test_readdir()
1944  call mkdir('Xdir')
1945  call writefile([], 'Xdir/foo.txt')
1946  call writefile([], 'Xdir/bar.txt')
1947  call mkdir('Xdir/dir')
1948
1949  " All results
1950  let files = readdir('Xdir')
1951  call assert_equal(['bar.txt', 'dir', 'foo.txt'], sort(files))
1952
1953  " Only results containing "f"
1954  let files = 'Xdir'->readdir({ x -> stridx(x, 'f') != -1 })
1955  call assert_equal(['foo.txt'], sort(files))
1956
1957  " Only .txt files
1958  let files = readdir('Xdir', { x -> x =~ '.txt$' })
1959  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
1960
1961  " Only .txt files with string
1962  let files = readdir('Xdir', 'v:val =~ ".txt$"')
1963  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
1964
1965  " Limit to 1 result.
1966  let l = []
1967  let files = readdir('Xdir', {x -> len(add(l, x)) == 2 ? -1 : 1})
1968  call assert_equal(1, len(files))
1969
1970  " Nested readdir() must not crash
1971  let files = readdir('Xdir', 'readdir("Xdir", "1") != []')
1972  call sort(files)->assert_equal(['bar.txt', 'dir', 'foo.txt'])
1973
1974  eval 'Xdir'->delete('rf')
1975endfunc
1976
1977func Test_readdirex()
1978  call mkdir('Xdir')
1979  call writefile(['foo'], 'Xdir/foo.txt')
1980  call writefile(['barbar'], 'Xdir/bar.txt')
1981  call mkdir('Xdir/dir')
1982
1983  " All results
1984  let files = readdirex('Xdir')->map({-> v:val.name})
1985  call assert_equal(['bar.txt', 'dir', 'foo.txt'], sort(files))
1986  let sizes = readdirex('Xdir')->map({-> v:val.size})
1987  call assert_equal([0, 4, 7], sort(sizes))
1988
1989  " Only results containing "f"
1990  let files = 'Xdir'->readdirex({ e -> stridx(e.name, 'f') != -1 })
1991			  \ ->map({-> v:val.name})
1992  call assert_equal(['foo.txt'], sort(files))
1993
1994  " Only .txt files
1995  let files = readdirex('Xdir', { e -> e.name =~ '.txt$' })
1996			  \ ->map({-> v:val.name})
1997  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
1998
1999  " Only .txt files with string
2000  let files = readdirex('Xdir', 'v:val.name =~ ".txt$"')
2001			  \ ->map({-> v:val.name})
2002  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
2003
2004  " Limit to 1 result.
2005  let l = []
2006  let files = readdirex('Xdir', {e -> len(add(l, e.name)) == 2 ? -1 : 1})
2007			  \ ->map({-> v:val.name})
2008  call assert_equal(1, len(files))
2009
2010  " Nested readdirex() must not crash
2011  let files = readdirex('Xdir', 'readdirex("Xdir", "1") != []')
2012			  \ ->map({-> v:val.name})
2013  call sort(files)->assert_equal(['bar.txt', 'dir', 'foo.txt'])
2014
2015  " report broken link correctly
2016  if has("unix")
2017    call writefile([], 'Xdir/abc.txt')
2018    call system("ln -s Xdir/abc.txt Xdir/link")
2019    call delete('Xdir/abc.txt')
2020    let files = readdirex('Xdir', 'readdirex("Xdir", "1") != []')
2021			  \ ->map({-> v:val.name .. '_' .. v:val.type})
2022    call sort(files)->assert_equal(
2023        \ ['bar.txt_file', 'dir_dir', 'foo.txt_file', 'link_link'])
2024  endif
2025  eval 'Xdir'->delete('rf')
2026
2027  call assert_fails('call readdirex("doesnotexist")', 'E484:')
2028endfunc
2029
2030func Test_readdirex_sort()
2031  CheckUnix
2032  " Skip tests on Mac OS X and Cygwin (does not allow several files with different casing)
2033  if has("osxdarwin") || has("osx") || has("macunix") || has("win32unix")
2034    throw 'Skipped: Test_readdirex_sort on systems that do not allow this using the default filesystem'
2035  endif
2036  let _collate = v:collate
2037  call mkdir('Xdir2')
2038  call writefile(['1'], 'Xdir2/README.txt')
2039  call writefile(['2'], 'Xdir2/Readme.txt')
2040  call writefile(['3'], 'Xdir2/readme.txt')
2041
2042  " 1) default
2043  let files = readdirex('Xdir2')->map({-> v:val.name})
2044  let default = copy(files)
2045  call assert_equal(['README.txt', 'Readme.txt', 'readme.txt'], files, 'sort using default')
2046
2047  " 2) no sorting
2048  let files = readdirex('Xdir2', 1, #{sort: 'none'})->map({-> v:val.name})
2049  let unsorted = copy(files)
2050  call assert_equal(['README.txt', 'Readme.txt', 'readme.txt'], sort(files), 'unsorted')
2051  call assert_fails("call readdirex('Xdir2', 1, #{slort: 'none'})", 'E857: Dictionary key "sort" required')
2052
2053  " 3) sort by case (same as default)
2054  let files = readdirex('Xdir2', 1, #{sort: 'case'})->map({-> v:val.name})
2055  call assert_equal(default, files, 'sort by case')
2056
2057  " 4) sort by ignoring case
2058  let files = readdirex('Xdir2', 1, #{sort: 'icase'})->map({-> v:val.name})
2059  call assert_equal(unsorted->sort('i'), files, 'sort by icase')
2060
2061  " 5) Default Collation
2062  let collate = v:collate
2063  lang collate C
2064  let files = readdirex('Xdir2', 1, #{sort: 'collate'})->map({-> v:val.name})
2065  call assert_equal(['README.txt', 'Readme.txt', 'readme.txt'], files, 'sort by C collation')
2066
2067  " 6) Collation de_DE
2068  " Switch locale, this may not work on the CI system, if the locale isn't
2069  " available
2070  try
2071    lang collate de_DE
2072    let files = readdirex('Xdir2', 1, #{sort: 'collate'})->map({-> v:val.name})
2073    call assert_equal(['readme.txt', 'Readme.txt', 'README.txt'], files, 'sort by de_DE collation')
2074  catch
2075    throw 'Skipped: de_DE collation is not available'
2076
2077  finally
2078    exe 'lang collate' collate
2079    eval 'Xdir2'->delete('rf')
2080  endtry
2081endfunc
2082
2083func Test_readdir_sort()
2084  " some more cases for testing sorting for readdirex
2085  let dir = 'Xdir3'
2086  call mkdir(dir)
2087  call writefile(['1'], dir .. '/README.txt')
2088  call writefile(['2'], dir .. '/Readm.txt')
2089  call writefile(['3'], dir .. '/read.txt')
2090  call writefile(['4'], dir .. '/Z.txt')
2091  call writefile(['5'], dir .. '/a.txt')
2092  call writefile(['6'], dir .. '/b.txt')
2093
2094  " 1) default
2095  let files = readdir(dir)
2096  let default = copy(files)
2097  call assert_equal(default->sort(), files, 'sort using default')
2098
2099  " 2) sort by case (same as default)
2100  let files = readdir(dir, '1', #{sort: 'case'})
2101  call assert_equal(default, files, 'sort using default')
2102
2103  " 3) sort by ignoring case
2104  let files = readdir(dir, '1', #{sort: 'icase'})
2105  call assert_equal(default->sort('i'), files, 'sort by ignoring case')
2106
2107  " 4) collation
2108  let collate = v:collate
2109  lang collate C
2110  let files = readdir(dir, 1, #{sort: 'collate'})
2111  call assert_equal(default->sort(), files, 'sort by C collation')
2112  exe "lang collate" collate
2113
2114  " 5) Errors
2115  call assert_fails('call readdir(dir, 1, 1)', 'E715:')
2116  call assert_fails('call readdir(dir, 1, #{sorta: 1})')
2117  call assert_fails('call readdirex(dir, 1, #{sorta: 1})')
2118
2119  " 6) ignore other values in dict
2120  let files = readdir(dir, '1', #{sort: 'c'})
2121  call assert_equal(default, files, 'sort using default2')
2122
2123  " Cleanup
2124  exe "lang collate" collate
2125
2126  eval dir->delete('rf')
2127endfunc
2128
2129func Test_delete_rf()
2130  call mkdir('Xdir')
2131  call writefile([], 'Xdir/foo.txt')
2132  call writefile([], 'Xdir/bar.txt')
2133  call mkdir('Xdir/[a-1]')  " issue #696
2134  call writefile([], 'Xdir/[a-1]/foo.txt')
2135  call writefile([], 'Xdir/[a-1]/bar.txt')
2136  call assert_true(filereadable('Xdir/foo.txt'))
2137  call assert_true('Xdir/[a-1]/foo.txt'->filereadable())
2138
2139  call assert_equal(0, delete('Xdir', 'rf'))
2140  call assert_false(filereadable('Xdir/foo.txt'))
2141  call assert_false(filereadable('Xdir/[a-1]/foo.txt'))
2142endfunc
2143
2144func Test_call()
2145  call assert_equal(3, call('len', [123]))
2146  call assert_equal(3, 'len'->call([123]))
2147  call assert_fails("call call('len', 123)", 'E714:')
2148  call assert_equal(0, call('', []))
2149  call assert_equal(0, call('len', test_null_list()))
2150
2151  function Mylen() dict
2152     return len(self.data)
2153  endfunction
2154  let mydict = {'data': [0, 1, 2, 3], 'len': function("Mylen")}
2155  eval mydict.len->call([], mydict)->assert_equal(4)
2156  call assert_fails("call call('Mylen', [], 0)", 'E715:')
2157  call assert_fails('call foo', 'E107:')
2158
2159  " These once caused a crash.
2160  call call(test_null_function(), [])
2161  call call(test_null_partial(), [])
2162  call assert_fails('call test_null_function()()', 'E1192:')
2163  call assert_fails('call test_null_partial()()', 'E117:')
2164endfunc
2165
2166func Test_char2nr()
2167  call assert_equal(12354, char2nr('あ', 1))
2168  call assert_equal(120, 'x'->char2nr())
2169  set encoding=latin1
2170  call assert_equal(120, 'x'->char2nr())
2171  set encoding=utf-8
2172endfunc
2173
2174func Test_charclass()
2175  call assert_equal(0, charclass(' '))
2176  call assert_equal(1, charclass('.'))
2177  call assert_equal(2, charclass('x'))
2178  call assert_equal(3, charclass("\u203c"))
2179  " this used to crash vim
2180  call assert_equal(0, "xxx"[-1]->charclass())
2181endfunc
2182
2183func Test_eventhandler()
2184  call assert_equal(0, eventhandler())
2185endfunc
2186
2187func Test_bufadd_bufload()
2188  call assert_equal(0, bufexists('someName'))
2189  let buf = bufadd('someName')
2190  call assert_notequal(0, buf)
2191  call assert_equal(1, bufexists('someName'))
2192  call assert_equal(0, getbufvar(buf, '&buflisted'))
2193  call assert_equal(0, bufloaded(buf))
2194  call bufload(buf)
2195  call assert_equal(1, bufloaded(buf))
2196  call assert_equal([''], getbufline(buf, 1, '$'))
2197
2198  let curbuf = bufnr('')
2199  eval ['some', 'text']->writefile('XotherName')
2200  let buf = 'XotherName'->bufadd()
2201  call assert_notequal(0, buf)
2202  eval 'XotherName'->bufexists()->assert_equal(1)
2203  call assert_equal(0, getbufvar(buf, '&buflisted'))
2204  call assert_equal(0, bufloaded(buf))
2205  eval buf->bufload()
2206  call assert_equal(1, bufloaded(buf))
2207  call assert_equal(['some', 'text'], getbufline(buf, 1, '$'))
2208  call assert_equal(curbuf, bufnr(''))
2209
2210  let buf1 = bufadd('')
2211  let buf2 = bufadd('')
2212  call assert_notequal(0, buf1)
2213  call assert_notequal(0, buf2)
2214  call assert_notequal(buf1, buf2)
2215  call assert_equal(1, bufexists(buf1))
2216  call assert_equal(1, bufexists(buf2))
2217  call assert_equal(0, bufloaded(buf1))
2218  exe 'bwipe ' .. buf1
2219  call assert_equal(0, bufexists(buf1))
2220  call assert_equal(1, bufexists(buf2))
2221  exe 'bwipe ' .. buf2
2222  call assert_equal(0, bufexists(buf2))
2223
2224  bwipe someName
2225  bwipe XotherName
2226  call assert_equal(0, bufexists('someName'))
2227  call delete('XotherName')
2228endfunc
2229
2230func Test_state()
2231  CheckRunVimInTerminal
2232
2233  let getstate = ":echo 'state: ' .. g:state .. '; mode: ' .. g:mode\<CR>"
2234
2235  let lines =<< trim END
2236	call setline(1, ['one', 'two', 'three'])
2237	map ;; gg
2238	set complete=.
2239	func RunTimer()
2240	  call timer_start(10, {id -> execute('let g:state = state()') .. execute('let g:mode = mode()')})
2241	endfunc
2242	au Filetype foobar let g:state = state()|let g:mode = mode()
2243  END
2244  call writefile(lines, 'XState')
2245  let buf = RunVimInTerminal('-S XState', #{rows: 6})
2246
2247  " Using a ":" command Vim is busy, thus "S" is returned
2248  call term_sendkeys(buf, ":echo 'state: ' .. state() .. '; mode: ' .. mode()\<CR>")
2249  call WaitForAssert({-> assert_match('state: S; mode: n', term_getline(buf, 6))}, 1000)
2250  call term_sendkeys(buf, ":\<CR>")
2251
2252  " Using a timer callback
2253  call term_sendkeys(buf, ":call RunTimer()\<CR>")
2254  call TermWait(buf, 25)
2255  call term_sendkeys(buf, getstate)
2256  call WaitForAssert({-> assert_match('state: c; mode: n', term_getline(buf, 6))}, 1000)
2257
2258  " Halfway a mapping
2259  call term_sendkeys(buf, ":call RunTimer()\<CR>;")
2260  call TermWait(buf, 25)
2261  call term_sendkeys(buf, ";")
2262  call term_sendkeys(buf, getstate)
2263  call WaitForAssert({-> assert_match('state: mSc; mode: n', term_getline(buf, 6))}, 1000)
2264
2265  " Insert mode completion (bit slower on Mac)
2266  call term_sendkeys(buf, ":call RunTimer()\<CR>Got\<C-N>")
2267  call TermWait(buf, 25)
2268  call term_sendkeys(buf, "\<Esc>")
2269  call term_sendkeys(buf, getstate)
2270  call WaitForAssert({-> assert_match('state: aSc; mode: i', term_getline(buf, 6))}, 1000)
2271
2272  " Autocommand executing
2273  call term_sendkeys(buf, ":set filetype=foobar\<CR>")
2274  call TermWait(buf, 25)
2275  call term_sendkeys(buf, getstate)
2276  call WaitForAssert({-> assert_match('state: xS; mode: n', term_getline(buf, 6))}, 1000)
2277
2278  " Todo: "w" - waiting for ch_evalexpr()
2279
2280  " messages scrolled
2281  call term_sendkeys(buf, ":call RunTimer()\<CR>:echo \"one\\ntwo\\nthree\"\<CR>")
2282  call TermWait(buf, 25)
2283  call term_sendkeys(buf, "\<CR>")
2284  call term_sendkeys(buf, getstate)
2285  call WaitForAssert({-> assert_match('state: Scs; mode: r', term_getline(buf, 6))}, 1000)
2286
2287  call StopVimInTerminal(buf)
2288  call delete('XState')
2289endfunc
2290
2291func Test_range()
2292  " destructuring
2293  let [x, y] = range(2)
2294  call assert_equal([0, 1], [x, y])
2295
2296  " index
2297  call assert_equal(4, range(1, 10)[3])
2298
2299  " add()
2300  call assert_equal([0, 1, 2, 3], add(range(3), 3))
2301  call assert_equal([0, 1, 2, [0, 1, 2]], add([0, 1, 2], range(3)))
2302  call assert_equal([0, 1, 2, [0, 1, 2]], add(range(3), range(3)))
2303
2304  " append()
2305  new
2306  call append('.', range(5))
2307  call assert_equal(['', '0', '1', '2', '3', '4'], getline(1, '$'))
2308  bwipe!
2309
2310  " appendbufline()
2311  new
2312  call appendbufline(bufnr(''), '.', range(5))
2313  call assert_equal(['0', '1', '2', '3', '4', ''], getline(1, '$'))
2314  bwipe!
2315
2316  " call()
2317  func TwoArgs(a, b)
2318    return [a:a, a:b]
2319  endfunc
2320  call assert_equal([0, 1], call('TwoArgs', range(2)))
2321
2322  " col()
2323  new
2324  call setline(1, ['foo', 'bar'])
2325  call assert_equal(2, col(range(1, 2)))
2326  bwipe!
2327
2328  " complete()
2329  execute "normal! a\<C-r>=[complete(col('.'), range(10)), ''][1]\<CR>"
2330  " complete_info()
2331  execute "normal! a\<C-r>=[complete(col('.'), range(10)), ''][1]\<CR>\<C-r>=[complete_info(range(5)), ''][1]\<CR>"
2332
2333  " copy()
2334  call assert_equal([1, 2, 3], copy(range(1, 3)))
2335
2336  " count()
2337  call assert_equal(0, count(range(0), 3))
2338  call assert_equal(0, count(range(2), 3))
2339  call assert_equal(1, count(range(5), 3))
2340
2341  " cursor()
2342  new
2343  call setline(1, ['aaa', 'bbb', 'ccc'])
2344  call cursor(range(1, 2))
2345  call assert_equal([2, 1], [col('.'), line('.')])
2346  bwipe!
2347
2348  " deepcopy()
2349  call assert_equal([1, 2, 3], deepcopy(range(1, 3)))
2350
2351  " empty()
2352  call assert_true(empty(range(0)))
2353  call assert_false(empty(range(2)))
2354
2355  " execute()
2356  new
2357  call setline(1, ['aaa', 'bbb', 'ccc'])
2358  call execute(range(3))
2359  call assert_equal(2, line('.'))
2360  bwipe!
2361
2362  " extend()
2363  call assert_equal([1, 2, 3, 4], extend([1], range(2, 4)))
2364  call assert_equal([1, 2, 3, 4], extend(range(1, 1), range(2, 4)))
2365  call assert_equal([1, 2, 3, 4], extend(range(1, 1), [2, 3, 4]))
2366
2367  " filter()
2368  call assert_equal([1, 3], filter(range(5), 'v:val % 2'))
2369  call assert_equal([1, 5, 7, 11, 13], filter(filter(range(15), 'v:val % 2'), 'v:val % 3'))
2370
2371  " funcref()
2372  call assert_equal([0, 1], funcref('TwoArgs', range(2))())
2373
2374  " function()
2375  call assert_equal([0, 1], function('TwoArgs', range(2))())
2376
2377  " garbagecollect()
2378  let thelist = [1, range(2), 3]
2379  let otherlist = range(3)
2380  call test_garbagecollect_now()
2381
2382  " get()
2383  call assert_equal(4, get(range(1, 10), 3))
2384  call assert_equal(-1, get(range(1, 10), 42, -1))
2385
2386  " index()
2387  call assert_equal(1, index(range(1, 5), 2))
2388  call assert_fails("echo index([1, 2], 1, [])", 'E745:')
2389
2390  " inputlist()
2391  call feedkeys(":let result = inputlist(range(10))\<CR>1\<CR>", 'x')
2392  call assert_equal(1, result)
2393  call feedkeys(":let result = inputlist(range(3, 10))\<CR>1\<CR>", 'x')
2394  call assert_equal(1, result)
2395
2396  " insert()
2397  call assert_equal([42, 1, 2, 3, 4, 5], insert(range(1, 5), 42))
2398  call assert_equal([42, 1, 2, 3, 4, 5], insert(range(1, 5), 42, 0))
2399  call assert_equal([1, 42, 2, 3, 4, 5], insert(range(1, 5), 42, 1))
2400  call assert_equal([1, 2, 3, 4, 42, 5], insert(range(1, 5), 42, 4))
2401  call assert_equal([1, 2, 3, 4, 42, 5], insert(range(1, 5), 42, -1))
2402  call assert_equal([1, 2, 3, 4, 5, 42], insert(range(1, 5), 42, 5))
2403
2404  " join()
2405  call assert_equal('0 1 2 3 4', join(range(5)))
2406
2407  " json_encode()
2408  call assert_equal('[0,1,2,3]', json_encode(range(4)))
2409
2410  " len()
2411  call assert_equal(0, len(range(0)))
2412  call assert_equal(2, len(range(2)))
2413  call assert_equal(5, len(range(0, 12, 3)))
2414  call assert_equal(4, len(range(3, 0, -1)))
2415
2416  " list2str()
2417  call assert_equal('ABC', list2str(range(65, 67)))
2418  call assert_fails('let s = list2str(5)', 'E474:')
2419
2420  " lock()
2421  let thelist = range(5)
2422  lockvar thelist
2423
2424  " map()
2425  call assert_equal([0, 2, 4, 6, 8], map(range(5), 'v:val * 2'))
2426  call assert_equal([3, 5, 7, 9, 11], map(map(range(5), 'v:val * 2'), 'v:val + 3'))
2427  call assert_equal([2, 6], map(filter(range(5), 'v:val % 2'), 'v:val * 2'))
2428  call assert_equal([2, 4, 8], filter(map(range(5), 'v:val * 2'), 'v:val % 3'))
2429
2430  " match()
2431  call assert_equal(3, match(range(5), 3))
2432
2433  " matchaddpos()
2434  highlight MyGreenGroup ctermbg=green guibg=green
2435  call matchaddpos('MyGreenGroup', range(line('.'), line('.')))
2436
2437  " matchend()
2438  call assert_equal(4, matchend(range(5), '4'))
2439  call assert_equal(3, matchend(range(1, 5), '4'))
2440  call assert_equal(-1, matchend(range(1, 5), '42'))
2441
2442  " matchstrpos()
2443  call assert_equal(['4', 4, 0, 1], matchstrpos(range(5), '4'))
2444  call assert_equal(['4', 3, 0, 1], matchstrpos(range(1, 5), '4'))
2445  call assert_equal(['', -1, -1, -1], matchstrpos(range(1, 5), '42'))
2446
2447  " max() reverse()
2448  call assert_equal(0, max(range(0)))
2449  call assert_equal(0, max(range(10, 9)))
2450  call assert_equal(9, max(range(10)))
2451  call assert_equal(18, max(range(0, 20, 3)))
2452  call assert_equal(20, max(range(20, 0, -3)))
2453  call assert_equal(99999, max(range(100000)))
2454  call assert_equal(99999, max(range(99999, 0, -1)))
2455  call assert_equal(99999, max(reverse(range(100000))))
2456  call assert_equal(99999, max(reverse(range(99999, 0, -1))))
2457
2458  " min() reverse()
2459  call assert_equal(0, min(range(0)))
2460  call assert_equal(0, min(range(10, 9)))
2461  call assert_equal(5, min(range(5, 10)))
2462  call assert_equal(5, min(range(5, 10, 3)))
2463  call assert_equal(2, min(range(20, 0, -3)))
2464  call assert_equal(0, min(range(100000)))
2465  call assert_equal(0, min(range(99999, 0, -1)))
2466  call assert_equal(0, min(reverse(range(100000))))
2467  call assert_equal(0, min(reverse(range(99999, 0, -1))))
2468
2469  " remove()
2470  call assert_equal(1, remove(range(1, 10), 0))
2471  call assert_equal(2, remove(range(1, 10), 1))
2472  call assert_equal(9, remove(range(1, 10), 8))
2473  call assert_equal(10, remove(range(1, 10), 9))
2474  call assert_equal(10, remove(range(1, 10), -1))
2475  call assert_equal([3, 4, 5], remove(range(1, 10), 2, 4))
2476
2477  " repeat()
2478  call assert_equal([0, 1, 2, 0, 1, 2], repeat(range(3), 2))
2479  call assert_equal([0, 1, 2], repeat(range(3), 1))
2480  call assert_equal([], repeat(range(3), 0))
2481  call assert_equal([], repeat(range(5, 4), 2))
2482  call assert_equal([], repeat(range(5, 4), 0))
2483
2484  " reverse()
2485  call assert_equal([2, 1, 0], reverse(range(3)))
2486  call assert_equal([0, 1, 2, 3], reverse(range(3, 0, -1)))
2487  call assert_equal([9, 8, 7, 6, 5, 4, 3, 2, 1, 0], reverse(range(10)))
2488  call assert_equal([20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10], reverse(range(10, 20)))
2489  call assert_equal([16, 13, 10], reverse(range(10, 18, 3)))
2490  call assert_equal([19, 16, 13, 10], reverse(range(10, 19, 3)))
2491  call assert_equal([19, 16, 13, 10], reverse(range(10, 20, 3)))
2492  call assert_equal([11, 14, 17, 20], reverse(range(20, 10, -3)))
2493  call assert_equal([], reverse(range(0)))
2494
2495  " TODO: setpos()
2496  " new
2497  " call setline(1, repeat([''], bufnr('')))
2498  " call setline(bufnr('') + 1, repeat('x', bufnr('') * 2 + 6))
2499  " call setpos('x', range(bufnr(''), bufnr('') + 3))
2500  " bwipe!
2501
2502  " setreg()
2503  call setreg('a', range(3))
2504  call assert_equal("0\n1\n2\n", getreg('a'))
2505
2506  " settagstack()
2507  call settagstack(1, #{items : range(4)})
2508
2509  " sign_define()
2510  call assert_fails("call sign_define(range(5))", "E715:")
2511  call assert_fails("call sign_placelist(range(5))", "E715:")
2512
2513  " sign_undefine()
2514  call assert_fails("call sign_undefine(range(5))", "E908:")
2515
2516  " sign_unplacelist()
2517  call assert_fails("call sign_unplacelist(range(5))", "E715:")
2518
2519  " sort()
2520  call assert_equal([0, 1, 2, 3, 4, 5], sort(range(5, 0, -1)))
2521
2522  " string()
2523  call assert_equal('[0, 1, 2, 3, 4]', string(range(5)))
2524
2525  " taglist() with 'tagfunc'
2526  func TagFunc(pattern, flags, info)
2527    return range(10)
2528  endfunc
2529  set tagfunc=TagFunc
2530  call assert_fails("call taglist('asdf')", 'E987:')
2531  set tagfunc=
2532
2533  " term_start()
2534  if has('terminal') && has('termguicolors')
2535    call assert_fails('call term_start(range(3, 4))', 'E474:')
2536    let g:terminal_ansi_colors = range(16)
2537    if has('win32')
2538      let cmd = "cmd /c dir"
2539    else
2540      let cmd = "ls"
2541    endif
2542    call assert_fails('call term_start("' .. cmd .. '", #{term_finish: "close"})', 'E475:')
2543    unlet g:terminal_ansi_colors
2544  endif
2545
2546  " type()
2547  call assert_equal(v:t_list, type(range(5)))
2548
2549  " uniq()
2550  call assert_equal([0, 1, 2, 3, 4], uniq(range(5)))
2551
2552  " errors
2553  call assert_fails('let x=range(2, 8, 0)', 'E726:')
2554  call assert_fails('let x=range(3, 1)', 'E727:')
2555  call assert_fails('let x=range(1, 3, -2)', 'E727:')
2556  call assert_fails('let x=range([])', 'E745:')
2557  call assert_fails('let x=range(1, [])', 'E745:')
2558  call assert_fails('let x=range(1, 4, [])', 'E745:')
2559endfunc
2560
2561func Test_echoraw()
2562  CheckScreendump
2563
2564  " Normally used for escape codes, but let's test with a CR.
2565  let lines =<< trim END
2566    call echoraw("hello\<CR>x")
2567  END
2568  call writefile(lines, 'XTest_echoraw')
2569  let buf = RunVimInTerminal('-S XTest_echoraw', {'rows': 5, 'cols': 40})
2570  call VerifyScreenDump(buf, 'Test_functions_echoraw', {})
2571
2572  " clean up
2573  call StopVimInTerminal(buf)
2574  call delete('XTest_echoraw')
2575endfunc
2576
2577" Test for echo highlighting
2578func Test_echohl()
2579  echohl Search
2580  echo 'Vim'
2581  call assert_equal('Vim', Screenline(&lines))
2582  " TODO: How to check the highlight group used by echohl?
2583  " ScreenAttrs() returns all zeros.
2584  echohl None
2585endfunc
2586
2587" Test for the eval() function
2588func Test_eval()
2589  call assert_fails("call eval('5 a')", 'E488:')
2590endfunc
2591
2592" Test for the nr2char() function
2593func Test_nr2char()
2594  set encoding=latin1
2595  call assert_equal('@', nr2char(64))
2596  set encoding=utf8
2597  call assert_equal('a', nr2char(97, 1))
2598  call assert_equal('a', nr2char(97, 0))
2599
2600  call assert_equal("\x80\xfc\b\xf4\x80\xfeX\x80\xfeX\x80\xfeX", eval('"\<M-' .. nr2char(0x100000) .. '>"'))
2601  call assert_equal("\x80\xfc\b\xfd\x80\xfeX\x80\xfeX\x80\xfeX\x80\xfeX\x80\xfeX", eval('"\<M-' .. nr2char(0x40000000) .. '>"'))
2602endfunc
2603
2604" Test for screenattr(), screenchar() and screenchars() functions
2605func Test_screen_functions()
2606  call assert_equal(-1, screenattr(-1, -1))
2607  call assert_equal(-1, screenchar(-1, -1))
2608  call assert_equal([], screenchars(-1, -1))
2609endfunc
2610
2611" Test for getcurpos() and setpos()
2612func Test_getcurpos_setpos()
2613  new
2614  call setline(1, ['012345678', '012345678'])
2615  normal gg6l
2616  let sp = getcurpos()
2617  normal 0
2618  call setpos('.', sp)
2619  normal jyl
2620  call assert_equal('6', @")
2621  call assert_equal(-1, setpos('.', test_null_list()))
2622  call assert_equal(-1, setpos('.', {}))
2623
2624  let winid = win_getid()
2625  normal G$
2626  let pos = getcurpos()
2627  wincmd w
2628  call assert_equal(pos, getcurpos(winid))
2629
2630  wincmd w
2631  close!
2632
2633  call assert_equal(getcurpos(), getcurpos(0))
2634  call assert_equal([0, 0, 0, 0, 0], getcurpos(-1))
2635  call assert_equal([0, 0, 0, 0, 0], getcurpos(1999))
2636endfunc
2637
2638" Test for glob()
2639func Test_glob()
2640  call assert_equal('', glob(test_null_string()))
2641  call assert_equal('', globpath(test_null_string(), test_null_string()))
2642  call assert_fails("let x = globpath(&rtp, 'syntax/c.vim', [])", 'E745:')
2643
2644  call writefile([], 'Xglob1')
2645  call writefile([], 'XGLOB2')
2646  set wildignorecase
2647  " Sort output of glob() otherwise we end up with different
2648  " ordering depending on whether file system is case-sensitive.
2649  call assert_equal(['XGLOB2', 'Xglob1'], sort(glob('Xglob[12]', 0, 1)))
2650  set wildignorecase&
2651
2652  call delete('Xglob1')
2653  call delete('XGLOB2')
2654
2655  call assert_fails("call glob('*', 0, {})", 'E728:')
2656endfunc
2657
2658" Test for browse()
2659func Test_browse()
2660  CheckFeature browse
2661  call assert_fails('call browse([], "open", "x", "a.c")', 'E745:')
2662endfunc
2663
2664" Test for browsedir()
2665func Test_browsedir()
2666  CheckFeature browse
2667  call assert_fails('call browsedir("open", [])', 'E730:')
2668endfunc
2669
2670func HasDefault(msg = 'msg')
2671  return a:msg
2672endfunc
2673
2674func Test_default_arg_value()
2675  call assert_equal('msg', HasDefault())
2676endfunc
2677
2678" Test for gettext()
2679func Test_gettext()
2680  call assert_fails('call gettext(1)', 'E475:')
2681endfunc
2682
2683func Test_builtin_check()
2684  call assert_fails('let g:["trim"] = {x -> " " .. x}', 'E704:')
2685  call assert_fails('let g:.trim = {x -> " " .. x}', 'E704:')
2686  call assert_fails('let l:["trim"] = {x -> " " .. x}', 'E704:')
2687  call assert_fails('let l:.trim = {x -> " " .. x}', 'E704:')
2688  let lines =<< trim END
2689    vim9script
2690    var s:trim = (x) => " " .. x
2691  END
2692  call CheckScriptFailure(lines, 'E704:')
2693
2694  call assert_fails('call extend(g:, #{foo: { -> "foo" }})', 'E704:')
2695  let g:bar = 123
2696  call extend(g:, #{bar: { -> "foo" }}, "keep")
2697  call assert_fails('call extend(g:, #{bar: { -> "foo" }}, "force")', 'E704:')
2698endfunc
2699
2700
2701" vim: shiftwidth=2 sts=2 expandtab
2702