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 CheckDefAndScriptFailure2(['echo strwidth(1.2)'], 'E1013: Argument 1: type mismatch, expected string but got float', 'E1174: String required for argument 1')
178  endif
179
180  set ambiwidth&
181endfunc
182
183func Test_str2nr()
184  call assert_equal(0, str2nr(''))
185  call assert_equal(1, str2nr('1'))
186  call assert_equal(1, str2nr(' 1 '))
187
188  call assert_equal(1, str2nr('+1'))
189  call assert_equal(1, str2nr('+ 1'))
190  call assert_equal(1, str2nr(' + 1 '))
191
192  call assert_equal(-1, str2nr('-1'))
193  call assert_equal(-1, str2nr('- 1'))
194  call assert_equal(-1, str2nr(' - 1 '))
195
196  call assert_equal(123456789, str2nr('123456789'))
197  call assert_equal(-123456789, str2nr('-123456789'))
198
199  call assert_equal(5, str2nr('101', 2))
200  call assert_equal(5, '0b101'->str2nr(2))
201  call assert_equal(5, str2nr('0B101', 2))
202  call assert_equal(-5, str2nr('-101', 2))
203  call assert_equal(-5, str2nr('-0b101', 2))
204  call assert_equal(-5, str2nr('-0B101', 2))
205
206  call assert_equal(65, str2nr('101', 8))
207  call assert_equal(65, str2nr('0101', 8))
208  call assert_equal(-65, str2nr('-101', 8))
209  call assert_equal(-65, str2nr('-0101', 8))
210  call assert_equal(65, str2nr('0o101', 8))
211  call assert_equal(65, str2nr('0O0101', 8))
212  call assert_equal(-65, str2nr('-0O101', 8))
213  call assert_equal(-65, str2nr('-0o0101', 8))
214
215  call assert_equal(11259375, str2nr('abcdef', 16))
216  call assert_equal(11259375, str2nr('ABCDEF', 16))
217  call assert_equal(-11259375, str2nr('-ABCDEF', 16))
218  call assert_equal(11259375, str2nr('0xabcdef', 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
223  call assert_equal(1, str2nr("1'000'000", 10, 0))
224  call assert_equal(256, str2nr("1'0000'0000", 2, 1))
225  call assert_equal(262144, str2nr("1'000'000", 8, 1))
226  call assert_equal(1000000, str2nr("1'000'000", 10, 1))
227  call assert_equal(1000, str2nr("1'000''000", 10, 1))
228  call assert_equal(65536, str2nr("1'00'00", 16, 1))
229
230  call assert_equal(0, str2nr('0x10'))
231  call assert_equal(0, str2nr('0b10'))
232  call assert_equal(0, str2nr('0o10'))
233  call assert_equal(1, str2nr('12', 2))
234  call assert_equal(1, str2nr('18', 8))
235  call assert_equal(1, str2nr('1g', 16))
236
237  call assert_equal(0, str2nr(v:null))
238  call assert_equal(0, str2nr(v:none))
239
240  call assert_fails('call str2nr([])', 'E730:')
241  call assert_fails('call str2nr({->2})', 'E729:')
242  if has('float')
243    call assert_equal(1, str2nr(1.2))
244    call CheckDefAndScriptFailure2(['echo str2nr(1.2)'], 'E1013: Argument 1: type mismatch, expected string but got float', 'E1174: String required for argument 1')
245  endif
246  call assert_fails('call str2nr(10, [])', 'E745:')
247endfunc
248
249func Test_strftime()
250  CheckFunction strftime
251
252  " Format of strftime() depends on system. We assume
253  " that basic formats tested here are available and
254  " identical on all systems which support strftime().
255  "
256  " The 2nd parameter of strftime() is a local time, so the output day
257  " of strftime() can be 17 or 18, depending on timezone.
258  call assert_match('^2017-01-1[78]$', strftime('%Y-%m-%d', 1484695512))
259  "
260  call assert_match('^\d\d\d\d-\(0\d\|1[012]\)-\([012]\d\|3[01]\) \([01]\d\|2[0-3]\):[0-5]\d:\([0-5]\d\|60\)$', '%Y-%m-%d %H:%M:%S'->strftime())
261
262  call assert_fails('call strftime([])', 'E730:')
263  call assert_fails('call strftime("%Y", [])', 'E745:')
264
265  " Check that the time changes after we change the timezone
266  " Save previous timezone value, if any
267  if exists('$TZ')
268    let tz = $TZ
269  endif
270
271  " Force EST and then UTC, save the current hour (24-hour clock) for each
272  let $TZ = 'EST' | let est = strftime('%H')
273  let $TZ = 'UTC' | let utc = strftime('%H')
274
275  " Those hours should be two bytes long, and should not be the same; if they
276  " are, a tzset(3) call may have failed somewhere
277  call assert_equal(strlen(est), 2)
278  call assert_equal(strlen(utc), 2)
279  " TODO: this fails on MS-Windows
280  if has('unix')
281    call assert_notequal(est, utc)
282  endif
283
284  " If we cached a timezone value, put it back, otherwise clear it
285  if exists('tz')
286    let $TZ = tz
287  else
288    unlet $TZ
289  endif
290endfunc
291
292func Test_strptime()
293  CheckFunction strptime
294
295  if exists('$TZ')
296    let tz = $TZ
297  endif
298  let $TZ = 'UTC'
299
300  call assert_equal(1484653763, strptime('%Y-%m-%d %T', '2017-01-17 11:49:23'))
301
302  " Force DST and check that it's considered
303  let $TZ = 'WINTER0SUMMER,J1,J365'
304  call assert_equal(1484653763 - 3600, strptime('%Y-%m-%d %T', '2017-01-17 11:49:23'))
305
306  call assert_fails('call strptime()', 'E119:')
307  call assert_fails('call strptime("xxx")', 'E119:')
308  call assert_equal(0, strptime("%Y", ''))
309  call assert_equal(0, strptime("%Y", "xxx"))
310
311  if exists('tz')
312    let $TZ = tz
313  else
314    unlet $TZ
315  endif
316endfunc
317
318func Test_resolve_unix()
319  CheckUnix
320
321  " Xlink1 -> Xlink2
322  " Xlink2 -> Xlink3
323  silent !ln -s -f Xlink2 Xlink1
324  silent !ln -s -f Xlink3 Xlink2
325  call assert_equal('Xlink3', resolve('Xlink1'))
326  call assert_equal('./Xlink3', resolve('./Xlink1'))
327  call assert_equal('Xlink3/', resolve('Xlink2/'))
328  " FIXME: these tests result in things like "Xlink2/" instead of "Xlink3/"?!
329  "call assert_equal('Xlink3/', resolve('Xlink1/'))
330  "call assert_equal('./Xlink3/', resolve('./Xlink1/'))
331  "call assert_equal(getcwd() . '/Xlink3/', resolve(getcwd() . '/Xlink1/'))
332  call assert_equal(getcwd() . '/Xlink3', resolve(getcwd() . '/Xlink1'))
333
334  " Test resolve() with a symlink cycle.
335  " Xlink1 -> Xlink2
336  " Xlink2 -> Xlink3
337  " Xlink3 -> Xlink1
338  silent !ln -s -f Xlink1 Xlink3
339  call assert_fails('call resolve("Xlink1")',   'E655:')
340  call assert_fails('call resolve("./Xlink1")', 'E655:')
341  call assert_fails('call resolve("Xlink2")',   'E655:')
342  call assert_fails('call resolve("Xlink3")',   'E655:')
343  call delete('Xlink1')
344  call delete('Xlink2')
345  call delete('Xlink3')
346
347  silent !ln -s -f Xdir//Xfile Xlink
348  call assert_equal('Xdir/Xfile', resolve('Xlink'))
349  call delete('Xlink')
350
351  silent !ln -s -f Xlink2/ Xlink1
352  call assert_equal('Xlink2', 'Xlink1'->resolve())
353  call assert_equal('Xlink2/', resolve('Xlink1/'))
354  call delete('Xlink1')
355
356  silent !ln -s -f ./Xlink2 Xlink1
357  call assert_equal('Xlink2', resolve('Xlink1'))
358  call assert_equal('./Xlink2', resolve('./Xlink1'))
359  call delete('Xlink1')
360
361  call assert_equal('/', resolve('/'))
362endfunc
363
364func s:normalize_fname(fname)
365  let ret = substitute(a:fname, '\', '/', 'g')
366  let ret = substitute(ret, '//', '/', 'g')
367  return ret->tolower()
368endfunc
369
370func Test_resolve_win32()
371  CheckMSWindows
372
373  " test for shortcut file
374  if executable('cscript')
375    new Xfile
376    wq
377    let lines =<< trim END
378	Set fs = CreateObject("Scripting.FileSystemObject")
379	Set ws = WScript.CreateObject("WScript.Shell")
380	Set shortcut = ws.CreateShortcut("Xlink.lnk")
381	shortcut.TargetPath = fs.BuildPath(ws.CurrentDirectory, "Xfile")
382	shortcut.Save
383    END
384    call writefile(lines, 'link.vbs')
385    silent !cscript link.vbs
386    call delete('link.vbs')
387    call assert_equal(s:normalize_fname(getcwd() . '\Xfile'), s:normalize_fname(resolve('./Xlink.lnk')))
388    call delete('Xfile')
389
390    call assert_equal(s:normalize_fname(getcwd() . '\Xfile'), s:normalize_fname(resolve('./Xlink.lnk')))
391    call delete('Xlink.lnk')
392  else
393    echomsg 'skipped test for shortcut file'
394  endif
395
396  " remove files
397  call delete('Xlink')
398  call delete('Xdir', 'd')
399  call delete('Xfile')
400
401  " test for symbolic link to a file
402  new Xfile
403  wq
404  call assert_equal('Xfile', resolve('Xfile'))
405  silent !mklink Xlink Xfile
406  if !v:shell_error
407    call assert_equal(s:normalize_fname(getcwd() . '\Xfile'), s:normalize_fname(resolve('./Xlink')))
408    call delete('Xlink')
409  else
410    echomsg 'skipped test for symbolic link to a file'
411  endif
412  call delete('Xfile')
413
414  " test for junction to a directory
415  call mkdir('Xdir')
416  silent !mklink /J Xlink Xdir
417  if !v:shell_error
418    call assert_equal(s:normalize_fname(getcwd() . '\Xdir'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
419
420    call delete('Xdir', 'd')
421
422    " test for junction already removed
423    call assert_equal(s:normalize_fname(getcwd() . '\Xlink'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
424    call delete('Xlink')
425  else
426    echomsg 'skipped test for junction to a directory'
427    call delete('Xdir', 'd')
428  endif
429
430  " test for symbolic link to a directory
431  call mkdir('Xdir')
432  silent !mklink /D Xlink Xdir
433  if !v:shell_error
434    call assert_equal(s:normalize_fname(getcwd() . '\Xdir'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
435
436    call delete('Xdir', 'd')
437
438    " test for symbolic link already removed
439    call assert_equal(s:normalize_fname(getcwd() . '\Xlink'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
440    call delete('Xlink')
441  else
442    echomsg 'skipped test for symbolic link to a directory'
443    call delete('Xdir', 'd')
444  endif
445
446  " test for buffer name
447  new Xfile
448  wq
449  silent !mklink Xlink Xfile
450  if !v:shell_error
451    edit Xlink
452    call assert_equal('Xlink', bufname('%'))
453    call delete('Xlink')
454    bw!
455  else
456    echomsg 'skipped test for buffer name'
457  endif
458  call delete('Xfile')
459
460  " test for reparse point
461  call mkdir('Xdir')
462  call assert_equal('Xdir', resolve('Xdir'))
463  silent !mklink /D Xdirlink Xdir
464  if !v:shell_error
465    w Xdir/text.txt
466    call assert_equal('Xdir/text.txt', resolve('Xdir/text.txt'))
467    call assert_equal(s:normalize_fname(getcwd() . '\Xdir\text.txt'), s:normalize_fname(resolve('Xdirlink\text.txt')))
468    call assert_equal(s:normalize_fname(getcwd() . '\Xdir'), s:normalize_fname(resolve('Xdirlink')))
469    call delete('Xdirlink')
470  else
471    echomsg 'skipped test for reparse point'
472  endif
473
474  call delete('Xdir', 'rf')
475endfunc
476
477func Test_simplify()
478  call assert_equal('',            simplify(''))
479  call assert_equal('/',           simplify('/'))
480  call assert_equal('/',           simplify('/.'))
481  call assert_equal('/',           simplify('/..'))
482  call assert_equal('/...',        simplify('/...'))
483  call assert_equal('//path',      simplify('//path'))
484  if has('unix')
485    call assert_equal('/path',       simplify('///path'))
486    call assert_equal('/path',       simplify('////path'))
487  endif
488
489  call assert_equal('./dir/file',  './dir/file'->simplify())
490  call assert_equal('./dir/file',  simplify('.///dir//file'))
491  call assert_equal('./dir/file',  simplify('./dir/./file'))
492  call assert_equal('./file',      simplify('./dir/../file'))
493  call assert_equal('../dir/file', simplify('dir/../../dir/file'))
494  call assert_equal('./file',      simplify('dir/.././file'))
495  call assert_equal('../dir',      simplify('./../dir'))
496  call assert_equal('..',          simplify('../testdir/..'))
497  call mkdir('Xdir')
498  call assert_equal('.',           simplify('Xdir/../.'))
499  call delete('Xdir', 'd')
500
501  call assert_fails('call simplify({->0})', 'E729:')
502  call assert_fails('call simplify([])', 'E730:')
503  call assert_fails('call simplify({})', 'E731:')
504  if has('float')
505    call assert_equal('1.2', simplify(1.2))
506    call CheckDefAndScriptFailure2(['echo simplify(1.2)'], 'E1013: Argument 1: type mismatch, expected string but got float', 'E1174: String required for argument 1')
507  endif
508endfunc
509
510func Test_pathshorten()
511  call assert_equal('', pathshorten(''))
512  call assert_equal('foo', pathshorten('foo'))
513  call assert_equal('/foo', '/foo'->pathshorten())
514  call assert_equal('f/', pathshorten('foo/'))
515  call assert_equal('f/bar', pathshorten('foo/bar'))
516  call assert_equal('f/b/foobar', 'foo/bar/foobar'->pathshorten())
517  call assert_equal('/f/b/foobar', pathshorten('/foo/bar/foobar'))
518  call assert_equal('.f/bar', pathshorten('.foo/bar'))
519  call assert_equal('~f/bar', pathshorten('~foo/bar'))
520  call assert_equal('~.f/bar', pathshorten('~.foo/bar'))
521  call assert_equal('.~f/bar', pathshorten('.~foo/bar'))
522  call assert_equal('~/f/bar', pathshorten('~/foo/bar'))
523  call assert_fails('call pathshorten([])', 'E730:')
524
525  " test pathshorten with optional variable to set preferred size of shortening
526  call assert_equal('', pathshorten('', 2))
527  call assert_equal('foo', pathshorten('foo', 2))
528  call assert_equal('/foo', pathshorten('/foo', 2))
529  call assert_equal('fo/', pathshorten('foo/', 2))
530  call assert_equal('fo/bar', pathshorten('foo/bar', 2))
531  call assert_equal('fo/ba/foobar', pathshorten('foo/bar/foobar', 2))
532  call assert_equal('/fo/ba/foobar', pathshorten('/foo/bar/foobar', 2))
533  call assert_equal('.fo/bar', pathshorten('.foo/bar', 2))
534  call assert_equal('~fo/bar', pathshorten('~foo/bar', 2))
535  call assert_equal('~.fo/bar', pathshorten('~.foo/bar', 2))
536  call assert_equal('.~fo/bar', pathshorten('.~foo/bar', 2))
537  call assert_equal('~/fo/bar', pathshorten('~/foo/bar', 2))
538  call assert_fails('call pathshorten([],2)', 'E730:')
539  call assert_notequal('~/fo/bar', pathshorten('~/foo/bar', 3))
540  call assert_equal('~/foo/bar', pathshorten('~/foo/bar', 3))
541  call assert_equal('~/f/bar', pathshorten('~/foo/bar', 0))
542endfunc
543
544func Test_strpart()
545  call assert_equal('de', strpart('abcdefg', 3, 2))
546  call assert_equal('ab', strpart('abcdefg', -2, 4))
547  call assert_equal('abcdefg', 'abcdefg'->strpart(-2))
548  call assert_equal('fg', strpart('abcdefg', 5, 4))
549  call assert_equal('defg', strpart('abcdefg', 3))
550  call assert_equal('', strpart('abcdefg', 10))
551  call assert_fails("let s=strpart('abcdef', [])", 'E745:')
552
553  call assert_equal('lép', strpart('éléphant', 2, 4))
554  call assert_equal('léphant', strpart('éléphant', 2))
555
556  call assert_equal('é', strpart('éléphant', 0, 1, 1))
557  call assert_equal('ép', strpart('éléphant', 3, 2, v:true))
558  call assert_equal('ó', strpart('cómposed', 1, 1, 1))
559endfunc
560
561func Test_tolower()
562  call assert_equal("", tolower(""))
563
564  " Test with all printable ASCII characters.
565  call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[\]^_`abcdefghijklmnopqrstuvwxyz{|}~',
566          \ tolower(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~'))
567
568  " Test with a few uppercase diacritics.
569  call assert_equal("aàáâãäåāăąǎǟǡả", tolower("AÀÁÂÃÄÅĀĂĄǍǞǠẢ"))
570  call assert_equal("bḃḇ", tolower("BḂḆ"))
571  call assert_equal("cçćĉċč", tolower("CÇĆĈĊČ"))
572  call assert_equal("dďđḋḏḑ", tolower("DĎĐḊḎḐ"))
573  call assert_equal("eèéêëēĕėęěẻẽ", tolower("EÈÉÊËĒĔĖĘĚẺẼ"))
574  call assert_equal("fḟ ", tolower("FḞ "))
575  call assert_equal("gĝğġģǥǧǵḡ", tolower("GĜĞĠĢǤǦǴḠ"))
576  call assert_equal("hĥħḣḧḩ", tolower("HĤĦḢḦḨ"))
577  call assert_equal("iìíîïĩīĭįiǐỉ", tolower("IÌÍÎÏĨĪĬĮİǏỈ"))
578  call assert_equal("jĵ", tolower("JĴ"))
579  call assert_equal("kķǩḱḵ", tolower("KĶǨḰḴ"))
580  call assert_equal("lĺļľŀłḻ", tolower("LĹĻĽĿŁḺ"))
581  call assert_equal("mḿṁ", tolower("MḾṀ"))
582  call assert_equal("nñńņňṅṉ", tolower("NÑŃŅŇṄṈ"))
583  call assert_equal("oòóôõöøōŏőơǒǫǭỏ", tolower("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ"))
584  call assert_equal("pṕṗ", tolower("PṔṖ"))
585  call assert_equal("q", tolower("Q"))
586  call assert_equal("rŕŗřṙṟ", tolower("RŔŖŘṘṞ"))
587  call assert_equal("sśŝşšṡ", tolower("SŚŜŞŠṠ"))
588  call assert_equal("tţťŧṫṯ", tolower("TŢŤŦṪṮ"))
589  call assert_equal("uùúûüũūŭůűųưǔủ", tolower("UÙÚÛÜŨŪŬŮŰŲƯǓỦ"))
590  call assert_equal("vṽ", tolower("VṼ"))
591  call assert_equal("wŵẁẃẅẇ", tolower("WŴẀẂẄẆ"))
592  call assert_equal("xẋẍ", tolower("XẊẌ"))
593  call assert_equal("yýŷÿẏỳỷỹ", tolower("YÝŶŸẎỲỶỸ"))
594  call assert_equal("zźżžƶẑẕ", tolower("ZŹŻŽƵẐẔ"))
595
596  " Test with a few lowercase diacritics, which should remain unchanged.
597  call assert_equal("aàáâãäåāăąǎǟǡả", tolower("aàáâãäåāăąǎǟǡả"))
598  call assert_equal("bḃḇ", tolower("bḃḇ"))
599  call assert_equal("cçćĉċč", tolower("cçćĉċč"))
600  call assert_equal("dďđḋḏḑ", tolower("dďđḋḏḑ"))
601  call assert_equal("eèéêëēĕėęěẻẽ", tolower("eèéêëēĕėęěẻẽ"))
602  call assert_equal("fḟ", tolower("fḟ"))
603  call assert_equal("gĝğġģǥǧǵḡ", tolower("gĝğġģǥǧǵḡ"))
604  call assert_equal("hĥħḣḧḩẖ", tolower("hĥħḣḧḩẖ"))
605  call assert_equal("iìíîïĩīĭįǐỉ", tolower("iìíîïĩīĭįǐỉ"))
606  call assert_equal("jĵǰ", tolower("jĵǰ"))
607  call assert_equal("kķǩḱḵ", tolower("kķǩḱḵ"))
608  call assert_equal("lĺļľŀłḻ", tolower("lĺļľŀłḻ"))
609  call assert_equal("mḿṁ ", tolower("mḿṁ "))
610  call assert_equal("nñńņňʼnṅṉ", tolower("nñńņňʼnṅṉ"))
611  call assert_equal("oòóôõöøōŏőơǒǫǭỏ", tolower("oòóôõöøōŏőơǒǫǭỏ"))
612  call assert_equal("pṕṗ", tolower("pṕṗ"))
613  call assert_equal("q", tolower("q"))
614  call assert_equal("rŕŗřṙṟ", tolower("rŕŗřṙṟ"))
615  call assert_equal("sśŝşšṡ", tolower("sśŝşšṡ"))
616  call assert_equal("tţťŧṫṯẗ", tolower("tţťŧṫṯẗ"))
617  call assert_equal("uùúûüũūŭůűųưǔủ", tolower("uùúûüũūŭůűųưǔủ"))
618  call assert_equal("vṽ", tolower("vṽ"))
619  call assert_equal("wŵẁẃẅẇẘ", tolower("wŵẁẃẅẇẘ"))
620  call assert_equal("ẋẍ", tolower("ẋẍ"))
621  call assert_equal("yýÿŷẏẙỳỷỹ", tolower("yýÿŷẏẙỳỷỹ"))
622  call assert_equal("zźżžƶẑẕ", tolower("zźżžƶẑẕ"))
623
624  " According to https://twitter.com/jifa/status/625776454479970304
625  " Ⱥ (U+023A) and Ⱦ (U+023E) are the *only* code points to increase
626  " in length (2 to 3 bytes) when lowercased. So let's test them.
627  call assert_equal("ⱥ ⱦ", tolower("Ⱥ Ⱦ"))
628
629  " This call to tolower with invalid utf8 sequence used to cause access to
630  " invalid memory.
631  call tolower("\xC0\x80\xC0")
632  call tolower("123\xC0\x80\xC0")
633
634  " Test in latin1 encoding
635  let save_enc = &encoding
636  set encoding=latin1
637  call assert_equal("abc", tolower("ABC"))
638  let &encoding = save_enc
639endfunc
640
641func Test_toupper()
642  call assert_equal("", toupper(""))
643
644  " Test with all printable ASCII characters.
645  call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~',
646          \ toupper(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~'))
647
648  " Test with a few lowercase diacritics.
649  call assert_equal("AÀÁÂÃÄÅĀĂĄǍǞǠẢ", "aàáâãäåāăąǎǟǡả"->toupper())
650  call assert_equal("BḂḆ", toupper("bḃḇ"))
651  call assert_equal("CÇĆĈĊČ", toupper("cçćĉċč"))
652  call assert_equal("DĎĐḊḎḐ", toupper("dďđḋḏḑ"))
653  call assert_equal("EÈÉÊËĒĔĖĘĚẺẼ", toupper("eèéêëēĕėęěẻẽ"))
654  call assert_equal("FḞ", toupper("fḟ"))
655  call assert_equal("GĜĞĠĢǤǦǴḠ", toupper("gĝğġģǥǧǵḡ"))
656  call assert_equal("HĤĦḢḦḨẖ", toupper("hĥħḣḧḩẖ"))
657  call assert_equal("IÌÍÎÏĨĪĬĮǏỈ", toupper("iìíîïĩīĭįǐỉ"))
658  call assert_equal("JĴǰ", toupper("jĵǰ"))
659  call assert_equal("KĶǨḰḴ", toupper("kķǩḱḵ"))
660  call assert_equal("LĹĻĽĿŁḺ", toupper("lĺļľŀłḻ"))
661  call assert_equal("MḾṀ ", toupper("mḿṁ "))
662  call assert_equal("NÑŃŅŇʼnṄṈ", toupper("nñńņňʼnṅṉ"))
663  call assert_equal("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ", toupper("oòóôõöøōŏőơǒǫǭỏ"))
664  call assert_equal("PṔṖ", toupper("pṕṗ"))
665  call assert_equal("Q", toupper("q"))
666  call assert_equal("RŔŖŘṘṞ", toupper("rŕŗřṙṟ"))
667  call assert_equal("SŚŜŞŠṠ", toupper("sśŝşšṡ"))
668  call assert_equal("TŢŤŦṪṮẗ", toupper("tţťŧṫṯẗ"))
669  call assert_equal("UÙÚÛÜŨŪŬŮŰŲƯǓỦ", toupper("uùúûüũūŭůűųưǔủ"))
670  call assert_equal("VṼ", toupper("vṽ"))
671  call assert_equal("WŴẀẂẄẆẘ", toupper("wŵẁẃẅẇẘ"))
672  call assert_equal("ẊẌ", toupper("ẋẍ"))
673  call assert_equal("YÝŸŶẎẙỲỶỸ", toupper("yýÿŷẏẙỳỷỹ"))
674  call assert_equal("ZŹŻŽƵẐẔ", toupper("zźżžƶẑẕ"))
675
676  " Test that uppercase diacritics, which should remain unchanged.
677  call assert_equal("AÀÁÂÃÄÅĀĂĄǍǞǠẢ", toupper("AÀÁÂÃÄÅĀĂĄǍǞǠẢ"))
678  call assert_equal("BḂḆ", toupper("BḂḆ"))
679  call assert_equal("CÇĆĈĊČ", toupper("CÇĆĈĊČ"))
680  call assert_equal("DĎĐḊḎḐ", toupper("DĎĐḊḎḐ"))
681  call assert_equal("EÈÉÊËĒĔĖĘĚẺẼ", toupper("EÈÉÊËĒĔĖĘĚẺẼ"))
682  call assert_equal("FḞ ", toupper("FḞ "))
683  call assert_equal("GĜĞĠĢǤǦǴḠ", toupper("GĜĞĠĢǤǦǴḠ"))
684  call assert_equal("HĤĦḢḦḨ", toupper("HĤĦḢḦḨ"))
685  call assert_equal("IÌÍÎÏĨĪĬĮİǏỈ", toupper("IÌÍÎÏĨĪĬĮİǏỈ"))
686  call assert_equal("JĴ", toupper("JĴ"))
687  call assert_equal("KĶǨḰḴ", toupper("KĶǨḰḴ"))
688  call assert_equal("LĹĻĽĿŁḺ", toupper("LĹĻĽĿŁḺ"))
689  call assert_equal("MḾṀ", toupper("MḾṀ"))
690  call assert_equal("NÑŃŅŇṄṈ", toupper("NÑŃŅŇṄṈ"))
691  call assert_equal("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ", toupper("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ"))
692  call assert_equal("PṔṖ", toupper("PṔṖ"))
693  call assert_equal("Q", toupper("Q"))
694  call assert_equal("RŔŖŘṘṞ", toupper("RŔŖŘṘṞ"))
695  call assert_equal("SŚŜŞŠṠ", toupper("SŚŜŞŠṠ"))
696  call assert_equal("TŢŤŦṪṮ", toupper("TŢŤŦṪṮ"))
697  call assert_equal("UÙÚÛÜŨŪŬŮŰŲƯǓỦ", toupper("UÙÚÛÜŨŪŬŮŰŲƯǓỦ"))
698  call assert_equal("VṼ", toupper("VṼ"))
699  call assert_equal("WŴẀẂẄẆ", toupper("WŴẀẂẄẆ"))
700  call assert_equal("XẊẌ", toupper("XẊẌ"))
701  call assert_equal("YÝŶŸẎỲỶỸ", toupper("YÝŶŸẎỲỶỸ"))
702  call assert_equal("ZŹŻŽƵẐẔ", toupper("ZŹŻŽƵẐẔ"))
703
704  call assert_equal("Ⱥ Ⱦ", toupper("ⱥ ⱦ"))
705
706  " This call to toupper with invalid utf8 sequence used to cause access to
707  " invalid memory.
708  call toupper("\xC0\x80\xC0")
709  call toupper("123\xC0\x80\xC0")
710
711  " Test in latin1 encoding
712  let save_enc = &encoding
713  set encoding=latin1
714  call assert_equal("ABC", toupper("abc"))
715  let &encoding = save_enc
716endfunc
717
718func Test_tr()
719  call assert_equal('foo', tr('bar', 'bar', 'foo'))
720  call assert_equal('zxy', 'cab'->tr('abc', 'xyz'))
721  call assert_fails("let s=tr([], 'abc', 'def')", 'E730:')
722  call assert_fails("let s=tr('abc', [], 'def')", 'E730:')
723  call assert_fails("let s=tr('abc', 'abc', [])", 'E730:')
724  call assert_fails("let s=tr('abcd', 'abcd', 'def')", 'E475:')
725  set encoding=latin1
726  call assert_fails("let s=tr('abcd', 'abcd', 'def')", 'E475:')
727  call assert_equal('hEllO', tr('hello', 'eo', 'EO'))
728  call assert_equal('hello', tr('hello', 'xy', 'ab'))
729  call assert_fails('call tr("abc", "123", "₁₂")', 'E475:')
730  set encoding=utf8
731endfunc
732
733" Tests for the mode() function
734let current_modes = ''
735func Save_mode()
736  let g:current_modes = mode(0) . '-' . mode(1)
737  return ''
738endfunc
739
740" Test for the mode() function
741func Test_mode()
742  new
743  call append(0, ["Blue Ball Black", "Brown Band Bowl", ""])
744
745  " Only complete from the current buffer.
746  set complete=.
747
748  inoremap <F2> <C-R>=Save_mode()<CR>
749
750  normal! 3G
751  exe "normal i\<F2>\<Esc>"
752  call assert_equal('i-i', g:current_modes)
753  " i_CTRL-P: Multiple matches
754  exe "normal i\<C-G>uBa\<C-P>\<F2>\<Esc>u"
755  call assert_equal('i-ic', g:current_modes)
756  " i_CTRL-P: Single match
757  exe "normal iBro\<C-P>\<F2>\<Esc>u"
758  call assert_equal('i-ic', g:current_modes)
759  " i_CTRL-X
760  exe "normal iBa\<C-X>\<F2>\<Esc>u"
761  call assert_equal('i-ix', g:current_modes)
762  " i_CTRL-X CTRL-P: Multiple matches
763  exe "normal iBa\<C-X>\<C-P>\<F2>\<Esc>u"
764  call assert_equal('i-ic', g:current_modes)
765  " i_CTRL-X CTRL-P: Single match
766  exe "normal iBro\<C-X>\<C-P>\<F2>\<Esc>u"
767  call assert_equal('i-ic', g:current_modes)
768  " i_CTRL-X CTRL-P + CTRL-P: Single match
769  exe "normal iBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u"
770  call assert_equal('i-ic', g:current_modes)
771  " i_CTRL-X CTRL-L: Multiple matches
772  exe "normal i\<C-X>\<C-L>\<F2>\<Esc>u"
773  call assert_equal('i-ic', g:current_modes)
774  " i_CTRL-X CTRL-L: Single match
775  exe "normal iBlu\<C-X>\<C-L>\<F2>\<Esc>u"
776  call assert_equal('i-ic', g:current_modes)
777  " i_CTRL-P: No match
778  exe "normal iCom\<C-P>\<F2>\<Esc>u"
779  call assert_equal('i-ic', g:current_modes)
780  " i_CTRL-X CTRL-P: No match
781  exe "normal iCom\<C-X>\<C-P>\<F2>\<Esc>u"
782  call assert_equal('i-ic', g:current_modes)
783  " i_CTRL-X CTRL-L: No match
784  exe "normal iabc\<C-X>\<C-L>\<F2>\<Esc>u"
785  call assert_equal('i-ic', g:current_modes)
786
787  " R_CTRL-P: Multiple matches
788  exe "normal RBa\<C-P>\<F2>\<Esc>u"
789  call assert_equal('R-Rc', g:current_modes)
790  " R_CTRL-P: Single match
791  exe "normal RBro\<C-P>\<F2>\<Esc>u"
792  call assert_equal('R-Rc', g:current_modes)
793  " R_CTRL-X
794  exe "normal RBa\<C-X>\<F2>\<Esc>u"
795  call assert_equal('R-Rx', g:current_modes)
796  " R_CTRL-X CTRL-P: Multiple matches
797  exe "normal RBa\<C-X>\<C-P>\<F2>\<Esc>u"
798  call assert_equal('R-Rc', g:current_modes)
799  " R_CTRL-X CTRL-P: Single match
800  exe "normal RBro\<C-X>\<C-P>\<F2>\<Esc>u"
801  call assert_equal('R-Rc', g:current_modes)
802  " R_CTRL-X CTRL-P + CTRL-P: Single match
803  exe "normal RBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u"
804  call assert_equal('R-Rc', g:current_modes)
805  " R_CTRL-X CTRL-L: Multiple matches
806  exe "normal R\<C-X>\<C-L>\<F2>\<Esc>u"
807  call assert_equal('R-Rc', g:current_modes)
808  " R_CTRL-X CTRL-L: Single match
809  exe "normal RBlu\<C-X>\<C-L>\<F2>\<Esc>u"
810  call assert_equal('R-Rc', g:current_modes)
811  " R_CTRL-P: No match
812  exe "normal RCom\<C-P>\<F2>\<Esc>u"
813  call assert_equal('R-Rc', g:current_modes)
814  " R_CTRL-X CTRL-P: No match
815  exe "normal RCom\<C-X>\<C-P>\<F2>\<Esc>u"
816  call assert_equal('R-Rc', g:current_modes)
817  " R_CTRL-X CTRL-L: No match
818  exe "normal Rabc\<C-X>\<C-L>\<F2>\<Esc>u"
819  call assert_equal('R-Rc', g:current_modes)
820
821  call assert_equal('n', 0->mode())
822  call assert_equal('n', 1->mode())
823
824  " i_CTRL-O
825  exe "normal i\<C-O>:call Save_mode()\<Cr>\<Esc>"
826  call assert_equal("n-niI", g:current_modes)
827
828  " R_CTRL-O
829  exe "normal R\<C-O>:call Save_mode()\<Cr>\<Esc>"
830  call assert_equal("n-niR", g:current_modes)
831
832  " gR_CTRL-O
833  exe "normal gR\<C-O>:call Save_mode()\<Cr>\<Esc>"
834  call assert_equal("n-niV", g:current_modes)
835
836  " How to test operator-pending mode?
837
838  call feedkeys("v", 'xt')
839  call assert_equal('v', mode())
840  call assert_equal('v', mode(1))
841  call feedkeys("\<Esc>V", 'xt')
842  call assert_equal('V', mode())
843  call assert_equal('V', mode(1))
844  call feedkeys("\<Esc>\<C-V>", 'xt')
845  call assert_equal("\<C-V>", mode())
846  call assert_equal("\<C-V>", mode(1))
847  call feedkeys("\<Esc>", 'xt')
848
849  call feedkeys("gh", 'xt')
850  call assert_equal('s', mode())
851  call assert_equal('s', mode(1))
852  call feedkeys("\<Esc>gH", 'xt')
853  call assert_equal('S', mode())
854  call assert_equal('S', mode(1))
855  call feedkeys("\<Esc>g\<C-H>", 'xt')
856  call assert_equal("\<C-S>", mode())
857  call assert_equal("\<C-S>", mode(1))
858  call feedkeys("\<Esc>", 'xt')
859
860  call feedkeys(":echo \<C-R>=Save_mode()\<C-U>\<CR>", 'xt')
861  call assert_equal('c-c', g:current_modes)
862  call feedkeys("gQecho \<C-R>=Save_mode()\<CR>\<CR>vi\<CR>", 'xt')
863  call assert_equal('c-cv', g:current_modes)
864  call feedkeys("Qcall Save_mode()\<CR>vi\<CR>", 'xt')
865  call assert_equal('c-ce', g:current_modes)
866  " How to test Ex mode?
867
868  bwipe!
869  iunmap <F2>
870  set complete&
871endfunc
872
873" Test for append()
874func Test_append()
875  enew!
876  split
877  call append(0, ["foo"])
878  call append(1, [])
879  call append(1, test_null_list())
880  call assert_equal(['foo', ''], getline(1, '$'))
881  split
882  only
883  undo
884  undo
885
886  " Using $ instead of '$' must give an error
887  call assert_fails("call append($, 'foobar')", 'E116:')
888endfunc
889
890" Test for setline()
891func Test_setline()
892  new
893  call setline(0, ["foo"])
894  call setline(0, [])
895  call setline(0, test_null_list())
896  call setline(1, ["bar"])
897  call setline(1, [])
898  call setline(1, test_null_list())
899  call setline(2, [])
900  call setline(2, test_null_list())
901  call setline(3, [])
902  call setline(3, test_null_list())
903  call setline(2, ["baz"])
904  call assert_equal(['bar', 'baz'], getline(1, '$'))
905  close!
906endfunc
907
908func Test_getbufvar()
909  let bnr = bufnr('%')
910  let b:var_num = '1234'
911  let def_num = '5678'
912  call assert_equal('1234', getbufvar(bnr, 'var_num'))
913  call assert_equal('1234', getbufvar(bnr, 'var_num', def_num))
914
915  let bd = getbufvar(bnr, '')
916  call assert_equal('1234', bd['var_num'])
917  call assert_true(exists("bd['changedtick']"))
918  call assert_equal(2, len(bd))
919
920  let bd2 = getbufvar(bnr, '', def_num)
921  call assert_equal(bd, bd2)
922
923  unlet b:var_num
924  call assert_equal(def_num, getbufvar(bnr, 'var_num', def_num))
925  call assert_equal('', getbufvar(bnr, 'var_num'))
926
927  let bd = getbufvar(bnr, '')
928  call assert_equal(1, len(bd))
929  let bd = getbufvar(bnr, '',def_num)
930  call assert_equal(1, len(bd))
931
932  call assert_equal('', getbufvar(9999, ''))
933  call assert_equal(def_num, getbufvar(9999, '', def_num))
934  unlet def_num
935
936  call assert_equal(0, getbufvar(bnr, '&autoindent'))
937  call assert_equal(0, getbufvar(bnr, '&autoindent', 1))
938
939  " Set and get a buffer-local variable
940  call setbufvar(bnr, 'bufvar_test', ['one', 'two'])
941  call assert_equal(['one', 'two'], getbufvar(bnr, 'bufvar_test'))
942
943  " Open new window with forced option values
944  set fileformats=unix,dos
945  new ++ff=dos ++bin ++enc=iso-8859-2
946  call assert_equal('dos', getbufvar(bufnr('%'), '&fileformat'))
947  call assert_equal(1, getbufvar(bufnr('%'), '&bin'))
948  call assert_equal('iso-8859-2', getbufvar(bufnr('%'), '&fenc'))
949  close
950
951  " Get the b: dict.
952  let b:testvar = 'one'
953  new
954  let b:testvar = 'two'
955  let thebuf = bufnr()
956  wincmd w
957  call assert_equal('two', getbufvar(thebuf, 'testvar'))
958  call assert_equal('two', getbufvar(thebuf, '').testvar)
959  bwipe!
960
961  set fileformats&
962endfunc
963
964func Test_last_buffer_nr()
965  call assert_equal(bufnr('$'), last_buffer_nr())
966endfunc
967
968func Test_stridx()
969  call assert_equal(-1, stridx('', 'l'))
970  call assert_equal(0,  stridx('', ''))
971  call assert_equal(0,  'hello'->stridx(''))
972  call assert_equal(-1, stridx('hello', 'L'))
973  call assert_equal(2,  stridx('hello', 'l', -1))
974  call assert_equal(2,  stridx('hello', 'l', 0))
975  call assert_equal(2,  'hello'->stridx('l', 1))
976  call assert_equal(3,  stridx('hello', 'l', 3))
977  call assert_equal(-1, stridx('hello', 'l', 4))
978  call assert_equal(-1, stridx('hello', 'l', 10))
979  call assert_equal(2,  stridx('hello', 'll'))
980  call assert_equal(-1, stridx('hello', 'hello world'))
981  call assert_fails("let n=stridx('hello', [])", 'E730:')
982  call assert_fails("let n=stridx([], 'l')", 'E730:')
983endfunc
984
985func Test_strridx()
986  call assert_equal(-1, strridx('', 'l'))
987  call assert_equal(0,  strridx('', ''))
988  call assert_equal(5,  strridx('hello', ''))
989  call assert_equal(-1, strridx('hello', 'L'))
990  call assert_equal(3,  'hello'->strridx('l'))
991  call assert_equal(3,  strridx('hello', 'l', 10))
992  call assert_equal(3,  strridx('hello', 'l', 3))
993  call assert_equal(2,  strridx('hello', 'l', 2))
994  call assert_equal(-1, strridx('hello', 'l', 1))
995  call assert_equal(-1, strridx('hello', 'l', 0))
996  call assert_equal(-1, strridx('hello', 'l', -1))
997  call assert_equal(2,  strridx('hello', 'll'))
998  call assert_equal(-1, strridx('hello', 'hello world'))
999  call assert_fails("let n=strridx('hello', [])", 'E730:')
1000  call assert_fails("let n=strridx([], 'l')", 'E730:')
1001endfunc
1002
1003func Test_match_func()
1004  call assert_equal(4,  match('testing', 'ing'))
1005  call assert_equal(4,  'testing'->match('ing', 2))
1006  call assert_equal(-1, match('testing', 'ing', 5))
1007  call assert_equal(-1, match('testing', 'ing', 8))
1008  call assert_equal(1, match(['vim', 'testing', 'execute'], 'ing'))
1009  call assert_equal(-1, match(['vim', 'testing', 'execute'], 'img'))
1010  call assert_fails("let x=match('vim', [])", 'E730:')
1011  call assert_equal(3, match(['a', 'b', 'c', 'a'], 'a', 1))
1012  call assert_equal(-1, match(['a', 'b', 'c', 'a'], 'a', 5))
1013  call assert_equal(4,  match('testing', 'ing', -1))
1014  call assert_fails("let x=match('testing', 'ing', 0, [])", 'E745:')
1015  call assert_equal(-1, match(test_null_list(), 2))
1016  call assert_equal(-1, match('abc', '\\%('))
1017endfunc
1018
1019func Test_matchend()
1020  call assert_equal(7,  matchend('testing', 'ing'))
1021  call assert_equal(7,  'testing'->matchend('ing', 2))
1022  call assert_equal(-1, matchend('testing', 'ing', 5))
1023  call assert_equal(-1, matchend('testing', 'ing', 8))
1024  call assert_equal(match(['vim', 'testing', 'execute'], 'ing'), matchend(['vim', 'testing', 'execute'], 'ing'))
1025  call assert_equal(match(['vim', 'testing', 'execute'], 'img'), matchend(['vim', 'testing', 'execute'], 'img'))
1026endfunc
1027
1028func Test_matchlist()
1029  call assert_equal(['acd', 'a', '', 'c', 'd', '', '', '', '', ''],  matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)'))
1030  call assert_equal(['d', '', '', '', 'd', '', '', '', '', ''],  'acd'->matchlist('\(a\)\?\(b\)\?\(c\)\?\(.*\)', 2))
1031  call assert_equal([],  matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)', 4))
1032endfunc
1033
1034func Test_matchstr()
1035  call assert_equal('ing',  matchstr('testing', 'ing'))
1036  call assert_equal('ing',  'testing'->matchstr('ing', 2))
1037  call assert_equal('', matchstr('testing', 'ing', 5))
1038  call assert_equal('', matchstr('testing', 'ing', 8))
1039  call assert_equal('testing', matchstr(['vim', 'testing', 'execute'], 'ing'))
1040  call assert_equal('', matchstr(['vim', 'testing', 'execute'], 'img'))
1041endfunc
1042
1043func Test_matchstrpos()
1044  call assert_equal(['ing', 4, 7], matchstrpos('testing', 'ing'))
1045  call assert_equal(['ing', 4, 7], 'testing'->matchstrpos('ing', 2))
1046  call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 5))
1047  call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 8))
1048  call assert_equal(['ing', 1, 4, 7], matchstrpos(['vim', 'testing', 'execute'], 'ing'))
1049  call assert_equal(['', -1, -1, -1], matchstrpos(['vim', 'testing', 'execute'], 'img'))
1050  call assert_equal(['', -1, -1], matchstrpos(test_null_list(), '\a'))
1051endfunc
1052
1053func Test_nextnonblank_prevnonblank()
1054  new
1055insert
1056This
1057
1058
1059is
1060
1061a
1062Test
1063.
1064  call assert_equal(0, nextnonblank(-1))
1065  call assert_equal(0, nextnonblank(0))
1066  call assert_equal(1, nextnonblank(1))
1067  call assert_equal(4, 2->nextnonblank())
1068  call assert_equal(4, nextnonblank(3))
1069  call assert_equal(4, nextnonblank(4))
1070  call assert_equal(6, nextnonblank(5))
1071  call assert_equal(6, nextnonblank(6))
1072  call assert_equal(7, nextnonblank(7))
1073  call assert_equal(0, 8->nextnonblank())
1074
1075  call assert_equal(0, prevnonblank(-1))
1076  call assert_equal(0, prevnonblank(0))
1077  call assert_equal(1, 1->prevnonblank())
1078  call assert_equal(1, prevnonblank(2))
1079  call assert_equal(1, prevnonblank(3))
1080  call assert_equal(4, prevnonblank(4))
1081  call assert_equal(4, 5->prevnonblank())
1082  call assert_equal(6, prevnonblank(6))
1083  call assert_equal(7, prevnonblank(7))
1084  call assert_equal(0, prevnonblank(8))
1085  bw!
1086endfunc
1087
1088func Test_byte2line_line2byte()
1089  new
1090  set endofline
1091  call setline(1, ['a', 'bc', 'd'])
1092
1093  set fileformat=unix
1094  call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1],
1095  \                 map(range(-1, 8), 'byte2line(v:val)'))
1096  call assert_equal([-1, -1, 1, 3, 6, 8, -1],
1097  \                 map(range(-1, 5), 'line2byte(v:val)'))
1098
1099  set fileformat=mac
1100  call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1],
1101  \                 map(range(-1, 8), 'v:val->byte2line()'))
1102  call assert_equal([-1, -1, 1, 3, 6, 8, -1],
1103  \                 map(range(-1, 5), 'v:val->line2byte()'))
1104
1105  set fileformat=dos
1106  call assert_equal([-1, -1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, -1],
1107  \                 map(range(-1, 11), 'byte2line(v:val)'))
1108  call assert_equal([-1, -1, 1, 4, 8, 11, -1],
1109  \                 map(range(-1, 5), 'line2byte(v:val)'))
1110
1111  bw!
1112  set noendofline nofixendofline
1113  normal a-
1114  for ff in ["unix", "mac", "dos"]
1115    let &fileformat = ff
1116    call assert_equal(1, line2byte(1))
1117    call assert_equal(2, line2byte(2))  " line2byte(line("$") + 1) is the buffer size plus one (as per :help line2byte).
1118  endfor
1119
1120  set endofline& fixendofline& fileformat&
1121  bw!
1122endfunc
1123
1124" Test for byteidx() and byteidxcomp() functions
1125func Test_byteidx()
1126  let a = '.é.' " one char of two bytes
1127  call assert_equal(0, byteidx(a, 0))
1128  call assert_equal(0, byteidxcomp(a, 0))
1129  call assert_equal(1, byteidx(a, 1))
1130  call assert_equal(1, byteidxcomp(a, 1))
1131  call assert_equal(3, byteidx(a, 2))
1132  call assert_equal(3, byteidxcomp(a, 2))
1133  call assert_equal(4, byteidx(a, 3))
1134  call assert_equal(4, byteidxcomp(a, 3))
1135  call assert_equal(-1, byteidx(a, 4))
1136  call assert_equal(-1, byteidxcomp(a, 4))
1137
1138  let b = '.é.' " normal e with composing char
1139  call assert_equal(0, b->byteidx(0))
1140  call assert_equal(1, b->byteidx(1))
1141  call assert_equal(4, b->byteidx(2))
1142  call assert_equal(5, b->byteidx(3))
1143  call assert_equal(-1, b->byteidx(4))
1144  call assert_fails("call byteidx([], 0)", 'E730:')
1145
1146  call assert_equal(0, b->byteidxcomp(0))
1147  call assert_equal(1, b->byteidxcomp(1))
1148  call assert_equal(2, b->byteidxcomp(2))
1149  call assert_equal(4, b->byteidxcomp(3))
1150  call assert_equal(5, b->byteidxcomp(4))
1151  call assert_equal(-1, b->byteidxcomp(5))
1152  call assert_fails("call byteidxcomp([], 0)", 'E730:')
1153endfunc
1154
1155" Test for charidx()
1156func Test_charidx()
1157  let a = 'xáb́y'
1158  call assert_equal(0, charidx(a, 0))
1159  call assert_equal(1, charidx(a, 3))
1160  call assert_equal(2, charidx(a, 4))
1161  call assert_equal(3, charidx(a, 7))
1162  call assert_equal(-1, charidx(a, 8))
1163  call assert_equal(-1, charidx(a, -1))
1164  call assert_equal(-1, charidx('', 0))
1165  call assert_equal(-1, charidx(test_null_string(), 0))
1166
1167  " count composing characters
1168  call assert_equal(0, charidx(a, 0, 1))
1169  call assert_equal(2, charidx(a, 2, 1))
1170  call assert_equal(3, charidx(a, 4, 1))
1171  call assert_equal(5, charidx(a, 7, 1))
1172  call assert_equal(-1, charidx(a, 8, 1))
1173  call assert_equal(-1, charidx('', 0, 1))
1174
1175  call assert_fails('let x = charidx([], 1)', 'E474:')
1176  call assert_fails('let x = charidx("abc", [])', 'E474:')
1177  call assert_fails('let x = charidx("abc", 1, [])', 'E474:')
1178  call assert_fails('let x = charidx("abc", 1, -1)', 'E1023:')
1179  call assert_fails('let x = charidx("abc", 1, 2)', 'E1023:')
1180endfunc
1181
1182func Test_count()
1183  let l = ['a', 'a', 'A', 'b']
1184  call assert_equal(2, count(l, 'a'))
1185  call assert_equal(1, count(l, 'A'))
1186  call assert_equal(1, count(l, 'b'))
1187  call assert_equal(0, count(l, 'B'))
1188
1189  call assert_equal(2, count(l, 'a', 0))
1190  call assert_equal(1, count(l, 'A', 0))
1191  call assert_equal(1, count(l, 'b', 0))
1192  call assert_equal(0, count(l, 'B', 0))
1193
1194  call assert_equal(3, count(l, 'a', 1))
1195  call assert_equal(3, count(l, 'A', 1))
1196  call assert_equal(1, count(l, 'b', 1))
1197  call assert_equal(1, count(l, 'B', 1))
1198  call assert_equal(0, count(l, 'c', 1))
1199
1200  call assert_equal(1, count(l, 'a', 0, 1))
1201  call assert_equal(2, count(l, 'a', 1, 1))
1202  call assert_fails('call count(l, "a", 0, 10)', 'E684:')
1203  call assert_fails('call count(l, "a", [])', 'E745:')
1204
1205  let d = {1: 'a', 2: 'a', 3: 'A', 4: 'b'}
1206  call assert_equal(2, count(d, 'a'))
1207  call assert_equal(1, count(d, 'A'))
1208  call assert_equal(1, count(d, 'b'))
1209  call assert_equal(0, count(d, 'B'))
1210
1211  call assert_equal(2, count(d, 'a', 0))
1212  call assert_equal(1, count(d, 'A', 0))
1213  call assert_equal(1, count(d, 'b', 0))
1214  call assert_equal(0, count(d, 'B', 0))
1215
1216  call assert_equal(3, count(d, 'a', 1))
1217  call assert_equal(3, count(d, 'A', 1))
1218  call assert_equal(1, count(d, 'b', 1))
1219  call assert_equal(1, count(d, 'B', 1))
1220  call assert_equal(0, count(d, 'c', 1))
1221
1222  call assert_fails('call count(d, "a", 0, 1)', 'E474:')
1223
1224  call assert_equal(0, count("foo", "bar"))
1225  call assert_equal(1, count("foo", "oo"))
1226  call assert_equal(2, count("foo", "o"))
1227  call assert_equal(0, count("foo", "O"))
1228  call assert_equal(2, count("foo", "O", 1))
1229  call assert_equal(2, count("fooooo", "oo"))
1230  call assert_equal(0, count("foo", ""))
1231
1232  call assert_fails('call count(0, 0)', 'E712:')
1233endfunc
1234
1235func Test_changenr()
1236  new Xchangenr
1237  call assert_equal(0, changenr())
1238  norm ifoo
1239  call assert_equal(1, changenr())
1240  set undolevels=10
1241  norm Sbar
1242  call assert_equal(2, changenr())
1243  undo
1244  call assert_equal(1, changenr())
1245  redo
1246  call assert_equal(2, changenr())
1247  bw!
1248  set undolevels&
1249endfunc
1250
1251func Test_filewritable()
1252  new Xfilewritable
1253  write!
1254  call assert_equal(1, filewritable('Xfilewritable'))
1255
1256  call assert_notequal(0, setfperm('Xfilewritable', 'r--r-----'))
1257  call assert_equal(0, filewritable('Xfilewritable'))
1258
1259  call assert_notequal(0, setfperm('Xfilewritable', 'rw-r-----'))
1260  call assert_equal(1, 'Xfilewritable'->filewritable())
1261
1262  call assert_equal(0, filewritable('doesnotexist'))
1263
1264  call mkdir('Xdir')
1265  call assert_equal(2, filewritable('Xdir'))
1266  call delete('Xdir', 'd')
1267
1268  call delete('Xfilewritable')
1269  bw!
1270endfunc
1271
1272func Test_Executable()
1273  if has('win32')
1274    call assert_equal(1, executable('notepad'))
1275    call assert_equal(1, 'notepad.exe'->executable())
1276    call assert_equal(0, executable('notepad.exe.exe'))
1277    call assert_equal(0, executable('shell32.dll'))
1278    call assert_equal(0, executable('win.ini'))
1279
1280    " get "notepad" path and remove the leading drive and sep. (ex. 'C:\')
1281    let notepadcmd = exepath('notepad.exe')
1282    let driveroot = notepadcmd[:2]
1283    let notepadcmd = notepadcmd[3:]
1284    new
1285    " check that the relative path works in /
1286    execute 'lcd' driveroot
1287    call assert_equal(1, executable(notepadcmd))
1288    call assert_equal(driveroot .. notepadcmd, notepadcmd->exepath())
1289    bwipe
1290
1291    " create "notepad.bat"
1292    call mkdir('Xdir')
1293    let notepadbat = fnamemodify('Xdir/notepad.bat', ':p')
1294    call writefile([], notepadbat)
1295    new
1296    " check that the path and the pathext order is valid
1297    lcd Xdir
1298    let [pathext, $PATHEXT] = [$PATHEXT, '.com;.exe;.bat;.cmd']
1299    call assert_equal(notepadbat, exepath('notepad'))
1300    let $PATHEXT = pathext
1301    bwipe
1302    eval 'Xdir'->delete('rf')
1303  elseif has('unix')
1304    call assert_equal(1, 'cat'->executable())
1305    call assert_equal(0, executable('nodogshere'))
1306
1307    " get "cat" path and remove the leading /
1308    let catcmd = exepath('cat')[1:]
1309    new
1310    " check that the relative path works in /
1311    lcd /
1312    call assert_equal(1, executable(catcmd))
1313    let result = catcmd->exepath()
1314    " when using chroot looking for sbin/cat can return bin/cat, that is OK
1315    if catcmd =~ '\<sbin\>' && result =~ '\<bin\>'
1316      call assert_equal('/' .. substitute(catcmd, '\<sbin\>', 'bin', ''), result)
1317    else
1318      call assert_equal('/' .. catcmd, result)
1319    endif
1320    bwipe
1321  else
1322    throw 'Skipped: does not work on this platform'
1323  endif
1324endfunc
1325
1326func Test_executable_longname()
1327  CheckMSWindows
1328
1329  " Create a temporary .bat file with 205 characters in the name.
1330  " Maximum length of a filename (including the path) on MS-Windows is 259
1331  " characters.
1332  " See https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation
1333  let len = 259 - getcwd()->len() - 6
1334  if len > 200
1335    let len = 200
1336  endif
1337
1338  let fname = 'X' . repeat('あ', len) . '.bat'
1339  call writefile([], fname)
1340  call assert_equal(1, executable(fname))
1341  call delete(fname)
1342endfunc
1343
1344func Test_hostname()
1345  let hostname_vim = hostname()
1346  if has('unix')
1347    let hostname_system = systemlist('uname -n')[0]
1348    call assert_equal(hostname_vim, hostname_system)
1349  endif
1350endfunc
1351
1352func Test_getpid()
1353  " getpid() always returns the same value within a vim instance.
1354  call assert_equal(getpid(), getpid())
1355  if has('unix')
1356    call assert_equal(systemlist('echo $PPID')[0], string(getpid()))
1357  endif
1358endfunc
1359
1360func Test_hlexists()
1361  call assert_equal(0, hlexists('does_not_exist'))
1362  call assert_equal(0, 'Number'->hlexists())
1363  call assert_equal(0, highlight_exists('does_not_exist'))
1364  call assert_equal(0, highlight_exists('Number'))
1365  syntax on
1366  call assert_equal(0, hlexists('does_not_exist'))
1367  call assert_equal(1, hlexists('Number'))
1368  call assert_equal(0, highlight_exists('does_not_exist'))
1369  call assert_equal(1, highlight_exists('Number'))
1370  syntax off
1371endfunc
1372
1373" Test for the col() function
1374func Test_col()
1375  new
1376  call setline(1, 'abcdef')
1377  norm gg4|mx6|mY2|
1378  call assert_equal(2, col('.'))
1379  call assert_equal(7, col('$'))
1380  call assert_equal(2, col('v'))
1381  call assert_equal(4, col("'x"))
1382  call assert_equal(6, col("'Y"))
1383  call assert_equal(2, [1, 2]->col())
1384  call assert_equal(7, col([1, '$']))
1385
1386  call assert_equal(0, col(''))
1387  call assert_equal(0, col('x'))
1388  call assert_equal(0, col([2, '$']))
1389  call assert_equal(0, col([1, 100]))
1390  call assert_equal(0, col([1]))
1391  call assert_equal(0, col(test_null_list()))
1392  call assert_fails('let c = col({})', 'E731:')
1393
1394  " test for getting the visual start column
1395  func T()
1396    let g:Vcol = col('v')
1397    return ''
1398  endfunc
1399  let g:Vcol = 0
1400  xmap <expr> <F2> T()
1401  exe "normal gg3|ve\<F2>"
1402  call assert_equal(3, g:Vcol)
1403  xunmap <F2>
1404  delfunc T
1405
1406  " Test for the visual line start and end marks '< and '>
1407  call setline(1, ['one', 'one two', 'one two three'])
1408  "normal! ggVG
1409  call feedkeys("ggVG\<Esc>", 'xt')
1410  call assert_equal(1, col("'<"))
1411  call assert_equal(14, col("'>"))
1412  " Delete the last line of the visually selected region
1413  $d
1414  call assert_notequal(14, col("'>"))
1415
1416  " Test with 'virtualedit'
1417  set virtualedit=all
1418  call cursor(1, 10)
1419  call assert_equal(4, col('.'))
1420  set virtualedit&
1421
1422  bw!
1423endfunc
1424
1425" Test for input()
1426func Test_input_func()
1427  " Test for prompt with multiple lines
1428  redir => v
1429  call feedkeys(":let c = input(\"A\\nB\\nC\\n? \")\<CR>B\<CR>", 'xt')
1430  redir END
1431  call assert_equal("B", c)
1432  call assert_equal(['A', 'B', 'C'], split(v, "\n"))
1433
1434  " Test for default value
1435  call feedkeys(":let c = input('color? ', 'red')\<CR>\<CR>", 'xt')
1436  call assert_equal('red', c)
1437
1438  " Test for completion at the input prompt
1439  func! Tcomplete(arglead, cmdline, pos)
1440    return "item1\nitem2\nitem3"
1441  endfunc
1442  call feedkeys(":let c = input('Q? ', '', 'custom,Tcomplete')\<CR>"
1443        \ .. "\<C-A>\<CR>", 'xt')
1444  delfunc Tcomplete
1445  call assert_equal('item1 item2 item3', c)
1446
1447  " Test for using special characters as default input
1448  call feedkeys(":let c = input('name? ', \"x\\<BS>y\")\<CR>\<CR>", 'xt')
1449  call assert_equal('y', c)
1450
1451  " Test for using <CR> as default input
1452  call feedkeys(":let c = input('name? ', \"\\<CR>\")\<CR>x\<CR>", 'xt')
1453  call assert_equal(' x', c)
1454
1455  call assert_fails("call input('F:', '', 'invalid')", 'E180:')
1456  call assert_fails("call input('F:', '', [])", 'E730:')
1457endfunc
1458
1459" Test for the inputdialog() function
1460func Test_inputdialog()
1461  set timeout timeoutlen=10
1462  if has('gui_running')
1463    call assert_fails('let v=inputdialog([], "xx")', 'E730:')
1464    call assert_fails('let v=inputdialog("Q", [])', 'E730:')
1465  else
1466    call feedkeys(":let v=inputdialog('Q:', 'xx', 'yy')\<CR>\<CR>", 'xt')
1467    call assert_equal('xx', v)
1468    call feedkeys(":let v=inputdialog('Q:', 'xx', 'yy')\<CR>\<Esc>", 'xt')
1469    call assert_equal('yy', v)
1470  endif
1471  set timeout& timeoutlen&
1472endfunc
1473
1474" Test for inputlist()
1475func Test_inputlist()
1476  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>1\<cr>", 'tx')
1477  call assert_equal(1, c)
1478  call feedkeys(":let c = ['Select color:', '1. red', '2. green', '3. blue']->inputlist()\<cr>2\<cr>", 'tx')
1479  call assert_equal(2, c)
1480  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>3\<cr>", 'tx')
1481  call assert_equal(3, c)
1482
1483  " CR to cancel
1484  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<cr>", 'tx')
1485  call assert_equal(0, c)
1486
1487  " Esc to cancel
1488  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<Esc>", 'tx')
1489  call assert_equal(0, c)
1490
1491  " q to cancel
1492  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>q", 'tx')
1493  call assert_equal(0, c)
1494
1495  " Cancel after inputting a number
1496  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>5q", 'tx')
1497  call assert_equal(0, c)
1498
1499  " Use backspace to delete characters in the prompt
1500  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>1\<BS>3\<BS>2\<cr>", 'tx')
1501  call assert_equal(2, c)
1502
1503  " Use mouse to make a selection
1504  call test_setmouse(&lines - 3, 2)
1505  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<LeftMouse>", 'tx')
1506  call assert_equal(1, c)
1507  " Mouse click outside of the list
1508  call test_setmouse(&lines - 6, 2)
1509  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<LeftMouse>", 'tx')
1510  call assert_equal(-2, c)
1511
1512  call assert_fails('call inputlist("")', 'E686:')
1513  call assert_fails('call inputlist(test_null_list())', 'E686:')
1514endfunc
1515
1516func Test_balloon_show()
1517  CheckFeature balloon_eval
1518
1519  " This won't do anything but must not crash either.
1520  call balloon_show('hi!')
1521  if !has('gui_running')
1522    call balloon_show(range(3))
1523    call balloon_show([])
1524  endif
1525endfunc
1526
1527func Test_setbufvar_options()
1528  " This tests that aucmd_prepbuf() and aucmd_restbuf() properly restore the
1529  " window layout.
1530  call assert_equal(1, winnr('$'))
1531  split dummy_preview
1532  resize 2
1533  set winfixheight winfixwidth
1534  let prev_id = win_getid()
1535
1536  wincmd j
1537  let wh = winheight(0)
1538  let dummy_buf = bufnr('dummy_buf1', v:true)
1539  call setbufvar(dummy_buf, '&buftype', 'nofile')
1540  execute 'belowright vertical split #' . dummy_buf
1541  call assert_equal(wh, winheight(0))
1542  let dum1_id = win_getid()
1543
1544  wincmd h
1545  let wh = winheight(0)
1546  let dummy_buf = bufnr('dummy_buf2', v:true)
1547  eval 'nofile'->setbufvar(dummy_buf, '&buftype')
1548  execute 'belowright vertical split #' . dummy_buf
1549  call assert_equal(wh, winheight(0))
1550
1551  bwipe!
1552  call win_gotoid(prev_id)
1553  bwipe!
1554  call win_gotoid(dum1_id)
1555  bwipe!
1556endfunc
1557
1558func Test_redo_in_nested_functions()
1559  nnoremap g. :set opfunc=Operator<CR>g@
1560  function Operator( type, ... )
1561     let @x = 'XXX'
1562     execute 'normal! g`[' . (a:type ==# 'line' ? 'V' : 'v') . 'g`]' . '"xp'
1563  endfunction
1564
1565  function! Apply()
1566      5,6normal! .
1567  endfunction
1568
1569  new
1570  call setline(1, repeat(['some "quoted" text', 'more "quoted" text'], 3))
1571  1normal g.i"
1572  call assert_equal('some "XXX" text', getline(1))
1573  3,4normal .
1574  call assert_equal('some "XXX" text', getline(3))
1575  call assert_equal('more "XXX" text', getline(4))
1576  call Apply()
1577  call assert_equal('some "XXX" text', getline(5))
1578  call assert_equal('more "XXX" text', getline(6))
1579  bwipe!
1580
1581  nunmap g.
1582  delfunc Operator
1583  delfunc Apply
1584endfunc
1585
1586func Test_trim()
1587  call assert_equal("Testing", trim("  \t\r\r\x0BTesting  \t\n\r\n\t\x0B\x0B"))
1588  call assert_equal("Testing", "  \t  \r\r\n\n\x0BTesting  \t\n\r\n\t\x0B\x0B"->trim())
1589  call assert_equal("RESERVE", trim("xyz \twwRESERVEzyww \t\t", " wxyz\t"))
1590  call assert_equal("wRE    \tSERVEzyww", trim("wRE    \tSERVEzyww"))
1591  call assert_equal("abcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail"))
1592  call assert_equal("\tabcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail", " "))
1593  call assert_equal(" \tabcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail", "abx"))
1594  call assert_equal("RESERVE", trim("你RESERVE好", "你好"))
1595  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"))
1596  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", ))
1597  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"))
1598  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"))
1599  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"))
1600  call assert_equal("留下", trim("这些些不要这些留下这些", "这些不要"))
1601  call assert_equal("", trim("", ""))
1602  call assert_equal("a", trim("a", ""))
1603  call assert_equal("", trim("", "a"))
1604
1605  call assert_equal("vim", trim("  vim  ", " ", 0))
1606  call assert_equal("vim  ", trim("  vim  ", " ", 1))
1607  call assert_equal("  vim", trim("  vim  ", " ", 2))
1608  call assert_fails('eval trim("  vim  ", " ", [])', 'E745:')
1609  call assert_fails('eval trim("  vim  ", " ", -1)', 'E475:')
1610  call assert_fails('eval trim("  vim  ", " ", 3)', 'E475:')
1611
1612  let chars = join(map(range(1, 0x20) + [0xa0], {n -> n->nr2char()}), '')
1613  call assert_equal("x", trim(chars . "x" . chars))
1614
1615  call assert_fails('let c=trim([])', 'E730:')
1616endfunc
1617
1618" Test for reg_recording() and reg_executing()
1619func Test_reg_executing_and_recording()
1620  let s:reg_stat = ''
1621  func s:save_reg_stat()
1622    let s:reg_stat = reg_recording() . ':' . reg_executing()
1623    return ''
1624  endfunc
1625
1626  new
1627  call s:save_reg_stat()
1628  call assert_equal(':', s:reg_stat)
1629  call feedkeys("qa\"=s:save_reg_stat()\<CR>pq", 'xt')
1630  call assert_equal('a:', s:reg_stat)
1631  call feedkeys("@a", 'xt')
1632  call assert_equal(':a', s:reg_stat)
1633  call feedkeys("qb@aq", 'xt')
1634  call assert_equal('b:a', s:reg_stat)
1635  call feedkeys("q\"\"=s:save_reg_stat()\<CR>pq", 'xt')
1636  call assert_equal('":', s:reg_stat)
1637
1638  " :normal command saves and restores reg_executing
1639  let s:reg_stat = ''
1640  let @q = ":call TestFunc()\<CR>:call s:save_reg_stat()\<CR>"
1641  func TestFunc() abort
1642    normal! ia
1643  endfunc
1644  call feedkeys("@q", 'xt')
1645  call assert_equal(':q', s:reg_stat)
1646  delfunc TestFunc
1647
1648  " getchar() command saves and restores reg_executing
1649  map W :call TestFunc()<CR>
1650  let @q = "W"
1651  let g:typed = ''
1652  let g:regs = []
1653  func TestFunc() abort
1654    let g:regs += [reg_executing()]
1655    let g:typed = getchar(0)
1656    let g:regs += [reg_executing()]
1657  endfunc
1658  call feedkeys("@qy", 'xt')
1659  call assert_equal(char2nr("y"), g:typed)
1660  call assert_equal(['q', 'q'], g:regs)
1661  delfunc TestFunc
1662  unmap W
1663  unlet g:typed
1664  unlet g:regs
1665
1666  " input() command saves and restores reg_executing
1667  map W :call TestFunc()<CR>
1668  let @q = "W"
1669  let g:typed = ''
1670  let g:regs = []
1671  func TestFunc() abort
1672    let g:regs += [reg_executing()]
1673    let g:typed = '?'->input()
1674    let g:regs += [reg_executing()]
1675  endfunc
1676  call feedkeys("@qy\<CR>", 'xt')
1677  call assert_equal("y", g:typed)
1678  call assert_equal(['q', 'q'], g:regs)
1679  delfunc TestFunc
1680  unmap W
1681  unlet g:typed
1682  unlet g:regs
1683
1684  bwipe!
1685  delfunc s:save_reg_stat
1686  unlet s:reg_stat
1687endfunc
1688
1689func Test_inputsecret()
1690  map W :call TestFunc()<CR>
1691  let @q = "W"
1692  let g:typed1 = ''
1693  let g:typed2 = ''
1694  let g:regs = []
1695  func TestFunc() abort
1696    let g:typed1 = '?'->inputsecret()
1697    let g:typed2 = inputsecret('password: ')
1698  endfunc
1699  call feedkeys("@qsomething\<CR>else\<CR>", 'xt')
1700  call assert_equal("something", g:typed1)
1701  call assert_equal("else", g:typed2)
1702  delfunc TestFunc
1703  unmap W
1704  unlet g:typed1
1705  unlet g:typed2
1706endfunc
1707
1708func Test_getchar()
1709  call feedkeys('a', '')
1710  call assert_equal(char2nr('a'), getchar())
1711  call assert_equal(0, getchar(0))
1712  call assert_equal(0, getchar(1))
1713
1714  call feedkeys('a', '')
1715  call assert_equal('a', getcharstr())
1716  call assert_equal('', getcharstr(0))
1717  call assert_equal('', getcharstr(1))
1718
1719  call setline(1, 'xxxx')
1720  call test_setmouse(1, 3)
1721  let v:mouse_win = 9
1722  let v:mouse_winid = 9
1723  let v:mouse_lnum = 9
1724  let v:mouse_col = 9
1725  call feedkeys("\<S-LeftMouse>", '')
1726  call assert_equal("\<S-LeftMouse>", getchar())
1727  call assert_equal(1, v:mouse_win)
1728  call assert_equal(win_getid(1), v:mouse_winid)
1729  call assert_equal(1, v:mouse_lnum)
1730  call assert_equal(3, v:mouse_col)
1731  enew!
1732endfunc
1733
1734func Test_libcall_libcallnr()
1735  CheckFeature libcall
1736
1737  if has('win32')
1738    let libc = 'msvcrt.dll'
1739  elseif has('mac')
1740    let libc = 'libSystem.B.dylib'
1741  elseif executable('ldd')
1742    let libc = matchstr(split(system('ldd ' . GetVimProg())), '/libc\.so\>')
1743  endif
1744  if get(l:, 'libc', '') ==# ''
1745    " On Unix, libc.so can be in various places.
1746    if has('linux')
1747      " There is not documented but regarding the 1st argument of glibc's
1748      " dlopen an empty string and nullptr are equivalent, so using an empty
1749      " string for the 1st argument of libcall allows to call functions.
1750      let libc = ''
1751    elseif has('sun')
1752      " Set the path to libc.so according to the architecture.
1753      let test_bits = system('file ' . GetVimProg())
1754      let test_arch = system('uname -p')
1755      if test_bits =~ '64-bit' && test_arch =~ 'sparc'
1756        let libc = '/usr/lib/sparcv9/libc.so'
1757      elseif test_bits =~ '64-bit' && test_arch =~ 'i386'
1758        let libc = '/usr/lib/amd64/libc.so'
1759      else
1760        let libc = '/usr/lib/libc.so'
1761      endif
1762    else
1763      " Unfortunately skip this test until a good way is found.
1764      return
1765    endif
1766  endif
1767
1768  if has('win32')
1769    call assert_equal($USERPROFILE, 'USERPROFILE'->libcall(libc, 'getenv'))
1770  else
1771    call assert_equal($HOME, 'HOME'->libcall(libc, 'getenv'))
1772  endif
1773
1774  " If function returns NULL, libcall() should return an empty string.
1775  call assert_equal('', libcall(libc, 'getenv', 'X_ENV_DOES_NOT_EXIT'))
1776
1777  " Test libcallnr() with string and integer argument.
1778  call assert_equal(4, 'abcd'->libcallnr(libc, 'strlen'))
1779  call assert_equal(char2nr('A'), char2nr('a')->libcallnr(libc, 'toupper'))
1780
1781  call assert_fails("call libcall(libc, 'Xdoesnotexist_', '')", ['', 'E364:'])
1782  call assert_fails("call libcallnr(libc, 'Xdoesnotexist_', '')", ['', 'E364:'])
1783
1784  call assert_fails("call libcall('Xdoesnotexist_', 'getenv', 'HOME')", ['', 'E364:'])
1785  call assert_fails("call libcallnr('Xdoesnotexist_', 'strlen', 'abcd')", ['', 'E364:'])
1786endfunc
1787
1788sandbox function Fsandbox()
1789  normal ix
1790endfunc
1791
1792func Test_func_sandbox()
1793  sandbox let F = {-> 'hello'}
1794  call assert_equal('hello', F())
1795
1796  sandbox let F = {-> "normal ix\<Esc>"->execute()}
1797  call assert_fails('call F()', 'E48:')
1798  unlet F
1799
1800  call assert_fails('call Fsandbox()', 'E48:')
1801  delfunc Fsandbox
1802
1803  " From a sandbox try to set a predefined variable (which cannot be modified
1804  " from a sandbox)
1805  call assert_fails('sandbox let v:lnum = 10', 'E794:')
1806endfunc
1807
1808func EditAnotherFile()
1809  let word = expand('<cword>')
1810  edit Xfuncrange2
1811endfunc
1812
1813func Test_func_range_with_edit()
1814  " Define a function that edits another buffer, then call it with a range that
1815  " is invalid in that buffer.
1816  call writefile(['just one line'], 'Xfuncrange2')
1817  new
1818  eval 10->range()->setline(1)
1819  write Xfuncrange1
1820  call assert_fails('5,8call EditAnotherFile()', 'E16:')
1821
1822  call delete('Xfuncrange1')
1823  call delete('Xfuncrange2')
1824  bwipe!
1825endfunc
1826
1827func Test_func_exists_on_reload()
1828  call writefile(['func ExistingFunction()', 'echo "yes"', 'endfunc'], 'Xfuncexists')
1829  call assert_equal(0, exists('*ExistingFunction'))
1830  source Xfuncexists
1831  call assert_equal(1, '*ExistingFunction'->exists())
1832  " Redefining a function when reloading a script is OK.
1833  source Xfuncexists
1834  call assert_equal(1, exists('*ExistingFunction'))
1835
1836  " But redefining in another script is not OK.
1837  call writefile(['func ExistingFunction()', 'echo "yes"', 'endfunc'], 'Xfuncexists2')
1838  call assert_fails('source Xfuncexists2', 'E122:')
1839
1840  " Defining a new function from the cmdline should fail if the function is
1841  " already defined
1842  call assert_fails('call feedkeys(":func ExistingFunction()\<CR>", "xt")', 'E122:')
1843
1844  delfunc ExistingFunction
1845  call assert_equal(0, exists('*ExistingFunction'))
1846  call writefile([
1847	\ 'func ExistingFunction()', 'echo "yes"', 'endfunc',
1848	\ 'func ExistingFunction()', 'echo "no"', 'endfunc',
1849	\ ], 'Xfuncexists')
1850  call assert_fails('source Xfuncexists', 'E122:')
1851  call assert_equal(1, exists('*ExistingFunction'))
1852
1853  call delete('Xfuncexists2')
1854  call delete('Xfuncexists')
1855  delfunc ExistingFunction
1856endfunc
1857
1858" Test confirm({msg} [, {choices} [, {default} [, {type}]]])
1859func Test_confirm()
1860  CheckUnix
1861  CheckNotGui
1862
1863  call feedkeys('o', 'L')
1864  let a = confirm('Press O to proceed')
1865  call assert_equal(1, a)
1866
1867  call feedkeys('y', 'L')
1868  let a = 'Are you sure?'->confirm("&Yes\n&No")
1869  call assert_equal(1, a)
1870
1871  call feedkeys('n', 'L')
1872  let a = confirm('Are you sure?', "&Yes\n&No")
1873  call assert_equal(2, a)
1874
1875  " confirm() should return 0 when pressing CTRL-C.
1876  call feedkeys("\<C-C>", 'L')
1877  let a = confirm('Are you sure?', "&Yes\n&No")
1878  call assert_equal(0, a)
1879
1880  " <Esc> requires another character to avoid it being seen as the start of an
1881  " escape sequence.  Zero should be harmless.
1882  eval "\<Esc>0"->feedkeys('L')
1883  let a = confirm('Are you sure?', "&Yes\n&No")
1884  call assert_equal(0, a)
1885
1886  " Default choice is returned when pressing <CR>.
1887  call feedkeys("\<CR>", 'L')
1888  let a = confirm('Are you sure?', "&Yes\n&No")
1889  call assert_equal(1, a)
1890
1891  call feedkeys("\<CR>", 'L')
1892  let a = confirm('Are you sure?', "&Yes\n&No", 2)
1893  call assert_equal(2, a)
1894
1895  call feedkeys("\<CR>", 'L')
1896  let a = confirm('Are you sure?', "&Yes\n&No", 0)
1897  call assert_equal(0, a)
1898
1899  " Test with the {type} 4th argument
1900  for type in ['Error', 'Question', 'Info', 'Warning', 'Generic']
1901    call feedkeys('y', 'L')
1902    let a = confirm('Are you sure?', "&Yes\n&No\n", 1, type)
1903    call assert_equal(1, a)
1904  endfor
1905
1906  call assert_fails('call confirm([])', 'E730:')
1907  call assert_fails('call confirm("Are you sure?", [])', 'E730:')
1908  call assert_fails('call confirm("Are you sure?", "&Yes\n&No\n", [])', 'E745:')
1909  call assert_fails('call confirm("Are you sure?", "&Yes\n&No\n", 0, [])', 'E730:')
1910endfunc
1911
1912func Test_platform_name()
1913  " The system matches at most only one name.
1914  let names = ['amiga', 'bsd', 'hpux', 'linux', 'mac', 'qnx', 'sun', 'vms', 'win32', 'win32unix']
1915  call assert_inrange(0, 1, len(filter(copy(names), 'has(v:val)')))
1916
1917  " Is Unix?
1918  call assert_equal(has('bsd'), has('bsd') && has('unix'))
1919  call assert_equal(has('hpux'), has('hpux') && has('unix'))
1920  call assert_equal(has('linux'), has('linux') && has('unix'))
1921  call assert_equal(has('mac'), has('mac') && has('unix'))
1922  call assert_equal(has('qnx'), has('qnx') && has('unix'))
1923  call assert_equal(has('sun'), has('sun') && has('unix'))
1924  call assert_equal(has('win32'), has('win32') && !has('unix'))
1925  call assert_equal(has('win32unix'), has('win32unix') && has('unix'))
1926
1927  if has('unix') && executable('uname')
1928    let uname = system('uname')
1929    " GNU userland on BSD kernels (e.g., GNU/kFreeBSD) don't have BSD defined
1930    call assert_equal(uname =~? '\%(GNU/k\w\+\)\@<!BSD\|DragonFly', has('bsd'))
1931    call assert_equal(uname =~? 'HP-UX', has('hpux'))
1932    call assert_equal(uname =~? 'Linux', has('linux'))
1933    call assert_equal(uname =~? 'Darwin', has('mac'))
1934    call assert_equal(uname =~? 'QNX', has('qnx'))
1935    call assert_equal(uname =~? 'SunOS', has('sun'))
1936    call assert_equal(uname =~? 'CYGWIN\|MSYS', has('win32unix'))
1937  endif
1938endfunc
1939
1940func Test_readdir()
1941  call mkdir('Xdir')
1942  call writefile([], 'Xdir/foo.txt')
1943  call writefile([], 'Xdir/bar.txt')
1944  call mkdir('Xdir/dir')
1945
1946  " All results
1947  let files = readdir('Xdir')
1948  call assert_equal(['bar.txt', 'dir', 'foo.txt'], sort(files))
1949
1950  " Only results containing "f"
1951  let files = 'Xdir'->readdir({ x -> stridx(x, 'f') != -1 })
1952  call assert_equal(['foo.txt'], sort(files))
1953
1954  " Only .txt files
1955  let files = readdir('Xdir', { x -> x =~ '.txt$' })
1956  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
1957
1958  " Only .txt files with string
1959  let files = readdir('Xdir', 'v:val =~ ".txt$"')
1960  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
1961
1962  " Limit to 1 result.
1963  let l = []
1964  let files = readdir('Xdir', {x -> len(add(l, x)) == 2 ? -1 : 1})
1965  call assert_equal(1, len(files))
1966
1967  " Nested readdir() must not crash
1968  let files = readdir('Xdir', 'readdir("Xdir", "1") != []')
1969  call sort(files)->assert_equal(['bar.txt', 'dir', 'foo.txt'])
1970
1971  eval 'Xdir'->delete('rf')
1972endfunc
1973
1974func Test_readdirex()
1975  call mkdir('Xdir')
1976  call writefile(['foo'], 'Xdir/foo.txt')
1977  call writefile(['barbar'], 'Xdir/bar.txt')
1978  call mkdir('Xdir/dir')
1979
1980  " All results
1981  let files = readdirex('Xdir')->map({-> v:val.name})
1982  call assert_equal(['bar.txt', 'dir', 'foo.txt'], sort(files))
1983  let sizes = readdirex('Xdir')->map({-> v:val.size})
1984  call assert_equal([0, 4, 7], sort(sizes))
1985
1986  " Only results containing "f"
1987  let files = 'Xdir'->readdirex({ e -> stridx(e.name, 'f') != -1 })
1988			  \ ->map({-> v:val.name})
1989  call assert_equal(['foo.txt'], sort(files))
1990
1991  " Only .txt files
1992  let files = readdirex('Xdir', { e -> e.name =~ '.txt$' })
1993			  \ ->map({-> v:val.name})
1994  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
1995
1996  " Only .txt files with string
1997  let files = readdirex('Xdir', 'v:val.name =~ ".txt$"')
1998			  \ ->map({-> v:val.name})
1999  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
2000
2001  " Limit to 1 result.
2002  let l = []
2003  let files = readdirex('Xdir', {e -> len(add(l, e.name)) == 2 ? -1 : 1})
2004			  \ ->map({-> v:val.name})
2005  call assert_equal(1, len(files))
2006
2007  " Nested readdirex() must not crash
2008  let files = readdirex('Xdir', 'readdirex("Xdir", "1") != []')
2009			  \ ->map({-> v:val.name})
2010  call sort(files)->assert_equal(['bar.txt', 'dir', 'foo.txt'])
2011
2012  " report broken link correctly
2013  if has("unix")
2014    call writefile([], 'Xdir/abc.txt')
2015    call system("ln -s Xdir/abc.txt Xdir/link")
2016    call delete('Xdir/abc.txt')
2017    let files = readdirex('Xdir', 'readdirex("Xdir", "1") != []')
2018			  \ ->map({-> v:val.name .. '_' .. v:val.type})
2019    call sort(files)->assert_equal(
2020        \ ['bar.txt_file', 'dir_dir', 'foo.txt_file', 'link_link'])
2021  endif
2022  eval 'Xdir'->delete('rf')
2023
2024  call assert_fails('call readdirex("doesnotexist")', 'E484:')
2025endfunc
2026
2027func Test_readdirex_sort()
2028  CheckUnix
2029  " Skip tests on Mac OS X and Cygwin (does not allow several files with different casing)
2030  if has("osxdarwin") || has("osx") || has("macunix") || has("win32unix")
2031    throw 'Skipped: Test_readdirex_sort on systems that do not allow this using the default filesystem'
2032  endif
2033  let _collate = v:collate
2034  call mkdir('Xdir2')
2035  call writefile(['1'], 'Xdir2/README.txt')
2036  call writefile(['2'], 'Xdir2/Readme.txt')
2037  call writefile(['3'], 'Xdir2/readme.txt')
2038
2039  " 1) default
2040  let files = readdirex('Xdir2')->map({-> v:val.name})
2041  let default = copy(files)
2042  call assert_equal(['README.txt', 'Readme.txt', 'readme.txt'], files, 'sort using default')
2043
2044  " 2) no sorting
2045  let files = readdirex('Xdir2', 1, #{sort: 'none'})->map({-> v:val.name})
2046  let unsorted = copy(files)
2047  call assert_equal(['README.txt', 'Readme.txt', 'readme.txt'], sort(files), 'unsorted')
2048  call assert_fails("call readdirex('Xdir2', 1, #{slort: 'none'})", 'E857: Dictionary key "sort" required')
2049
2050  " 3) sort by case (same as default)
2051  let files = readdirex('Xdir2', 1, #{sort: 'case'})->map({-> v:val.name})
2052  call assert_equal(default, files, 'sort by case')
2053
2054  " 4) sort by ignoring case
2055  let files = readdirex('Xdir2', 1, #{sort: 'icase'})->map({-> v:val.name})
2056  call assert_equal(unsorted->sort('i'), files, 'sort by icase')
2057
2058  " 5) Default Collation
2059  let collate = v:collate
2060  lang collate C
2061  let files = readdirex('Xdir2', 1, #{sort: 'collate'})->map({-> v:val.name})
2062  call assert_equal(['README.txt', 'Readme.txt', 'readme.txt'], files, 'sort by C collation')
2063
2064  " 6) Collation de_DE
2065  " Switch locale, this may not work on the CI system, if the locale isn't
2066  " available
2067  try
2068    lang collate de_DE
2069    let files = readdirex('Xdir2', 1, #{sort: 'collate'})->map({-> v:val.name})
2070    call assert_equal(['readme.txt', 'Readme.txt', 'README.txt'], files, 'sort by de_DE collation')
2071  catch
2072    throw 'Skipped: de_DE collation is not available'
2073
2074  finally
2075    exe 'lang collate' collate
2076    eval 'Xdir2'->delete('rf')
2077  endtry
2078endfunc
2079
2080func Test_readdir_sort()
2081  " some more cases for testing sorting for readdirex
2082  let dir = 'Xdir3'
2083  call mkdir(dir)
2084  call writefile(['1'], dir .. '/README.txt')
2085  call writefile(['2'], dir .. '/Readm.txt')
2086  call writefile(['3'], dir .. '/read.txt')
2087  call writefile(['4'], dir .. '/Z.txt')
2088  call writefile(['5'], dir .. '/a.txt')
2089  call writefile(['6'], dir .. '/b.txt')
2090
2091  " 1) default
2092  let files = readdir(dir)
2093  let default = copy(files)
2094  call assert_equal(default->sort(), files, 'sort using default')
2095
2096  " 2) sort by case (same as default)
2097  let files = readdir(dir, '1', #{sort: 'case'})
2098  call assert_equal(default, files, 'sort using default')
2099
2100  " 3) sort by ignoring case
2101  let files = readdir(dir, '1', #{sort: 'icase'})
2102  call assert_equal(default->sort('i'), files, 'sort by ignoring case')
2103
2104  " 4) collation
2105  let collate = v:collate
2106  lang collate C
2107  let files = readdir(dir, 1, #{sort: 'collate'})
2108  call assert_equal(default->sort(), files, 'sort by C collation')
2109  exe "lang collate" collate
2110
2111  " 5) Errors
2112  call assert_fails('call readdir(dir, 1, 1)', 'E715:')
2113  call assert_fails('call readdir(dir, 1, #{sorta: 1})')
2114  call assert_fails('call readdirex(dir, 1, #{sorta: 1})')
2115
2116  " 6) ignore other values in dict
2117  let files = readdir(dir, '1', #{sort: 'c'})
2118  call assert_equal(default, files, 'sort using default2')
2119
2120  " Cleanup
2121  exe "lang collate" collate
2122
2123  eval dir->delete('rf')
2124endfunc
2125
2126func Test_delete_rf()
2127  call mkdir('Xdir')
2128  call writefile([], 'Xdir/foo.txt')
2129  call writefile([], 'Xdir/bar.txt')
2130  call mkdir('Xdir/[a-1]')  " issue #696
2131  call writefile([], 'Xdir/[a-1]/foo.txt')
2132  call writefile([], 'Xdir/[a-1]/bar.txt')
2133  call assert_true(filereadable('Xdir/foo.txt'))
2134  call assert_true('Xdir/[a-1]/foo.txt'->filereadable())
2135
2136  call assert_equal(0, delete('Xdir', 'rf'))
2137  call assert_false(filereadable('Xdir/foo.txt'))
2138  call assert_false(filereadable('Xdir/[a-1]/foo.txt'))
2139endfunc
2140
2141func Test_call()
2142  call assert_equal(3, call('len', [123]))
2143  call assert_equal(3, 'len'->call([123]))
2144  call assert_fails("call call('len', 123)", 'E714:')
2145  call assert_equal(0, call('', []))
2146  call assert_equal(0, call('len', test_null_list()))
2147
2148  function Mylen() dict
2149     return len(self.data)
2150  endfunction
2151  let mydict = {'data': [0, 1, 2, 3], 'len': function("Mylen")}
2152  eval mydict.len->call([], mydict)->assert_equal(4)
2153  call assert_fails("call call('Mylen', [], 0)", 'E715:')
2154  call assert_fails('call foo', 'E107:')
2155
2156  " These once caused a crash.
2157  call call(test_null_function(), [])
2158  call call(test_null_partial(), [])
2159  call assert_fails('call test_null_function()()', 'E1192:')
2160  call assert_fails('call test_null_partial()()', 'E117:')
2161endfunc
2162
2163func Test_char2nr()
2164  call assert_equal(12354, char2nr('あ', 1))
2165  call assert_equal(120, 'x'->char2nr())
2166  set encoding=latin1
2167  call assert_equal(120, 'x'->char2nr())
2168  set encoding=utf-8
2169endfunc
2170
2171func Test_charclass()
2172  call assert_equal(0, charclass(' '))
2173  call assert_equal(1, charclass('.'))
2174  call assert_equal(2, charclass('x'))
2175  call assert_equal(3, charclass("\u203c"))
2176  " this used to crash vim
2177  call assert_equal(0, "xxx"[-1]->charclass())
2178endfunc
2179
2180func Test_eventhandler()
2181  call assert_equal(0, eventhandler())
2182endfunc
2183
2184func Test_bufadd_bufload()
2185  call assert_equal(0, bufexists('someName'))
2186  let buf = bufadd('someName')
2187  call assert_notequal(0, buf)
2188  call assert_equal(1, bufexists('someName'))
2189  call assert_equal(0, getbufvar(buf, '&buflisted'))
2190  call assert_equal(0, bufloaded(buf))
2191  call bufload(buf)
2192  call assert_equal(1, bufloaded(buf))
2193  call assert_equal([''], getbufline(buf, 1, '$'))
2194
2195  let curbuf = bufnr('')
2196  eval ['some', 'text']->writefile('XotherName')
2197  let buf = 'XotherName'->bufadd()
2198  call assert_notequal(0, buf)
2199  eval 'XotherName'->bufexists()->assert_equal(1)
2200  call assert_equal(0, getbufvar(buf, '&buflisted'))
2201  call assert_equal(0, bufloaded(buf))
2202  eval buf->bufload()
2203  call assert_equal(1, bufloaded(buf))
2204  call assert_equal(['some', 'text'], getbufline(buf, 1, '$'))
2205  call assert_equal(curbuf, bufnr(''))
2206
2207  let buf1 = bufadd('')
2208  let buf2 = bufadd('')
2209  call assert_notequal(0, buf1)
2210  call assert_notequal(0, buf2)
2211  call assert_notequal(buf1, buf2)
2212  call assert_equal(1, bufexists(buf1))
2213  call assert_equal(1, bufexists(buf2))
2214  call assert_equal(0, bufloaded(buf1))
2215  exe 'bwipe ' .. buf1
2216  call assert_equal(0, bufexists(buf1))
2217  call assert_equal(1, bufexists(buf2))
2218  exe 'bwipe ' .. buf2
2219  call assert_equal(0, bufexists(buf2))
2220
2221  bwipe someName
2222  bwipe XotherName
2223  call assert_equal(0, bufexists('someName'))
2224  call delete('XotherName')
2225endfunc
2226
2227func Test_state()
2228  CheckRunVimInTerminal
2229
2230  let getstate = ":echo 'state: ' .. g:state .. '; mode: ' .. g:mode\<CR>"
2231
2232  let lines =<< trim END
2233	call setline(1, ['one', 'two', 'three'])
2234	map ;; gg
2235	set complete=.
2236	func RunTimer()
2237	  call timer_start(10, {id -> execute('let g:state = state()') .. execute('let g:mode = mode()')})
2238	endfunc
2239	au Filetype foobar let g:state = state()|let g:mode = mode()
2240  END
2241  call writefile(lines, 'XState')
2242  let buf = RunVimInTerminal('-S XState', #{rows: 6})
2243
2244  " Using a ":" command Vim is busy, thus "S" is returned
2245  call term_sendkeys(buf, ":echo 'state: ' .. state() .. '; mode: ' .. mode()\<CR>")
2246  call WaitForAssert({-> assert_match('state: S; mode: n', term_getline(buf, 6))}, 1000)
2247  call term_sendkeys(buf, ":\<CR>")
2248
2249  " Using a timer callback
2250  call term_sendkeys(buf, ":call RunTimer()\<CR>")
2251  call TermWait(buf, 25)
2252  call term_sendkeys(buf, getstate)
2253  call WaitForAssert({-> assert_match('state: c; mode: n', term_getline(buf, 6))}, 1000)
2254
2255  " Halfway a mapping
2256  call term_sendkeys(buf, ":call RunTimer()\<CR>;")
2257  call TermWait(buf, 25)
2258  call term_sendkeys(buf, ";")
2259  call term_sendkeys(buf, getstate)
2260  call WaitForAssert({-> assert_match('state: mSc; mode: n', term_getline(buf, 6))}, 1000)
2261
2262  " Insert mode completion (bit slower on Mac)
2263  call term_sendkeys(buf, ":call RunTimer()\<CR>Got\<C-N>")
2264  call TermWait(buf, 25)
2265  call term_sendkeys(buf, "\<Esc>")
2266  call term_sendkeys(buf, getstate)
2267  call WaitForAssert({-> assert_match('state: aSc; mode: i', term_getline(buf, 6))}, 1000)
2268
2269  " Autocommand executing
2270  call term_sendkeys(buf, ":set filetype=foobar\<CR>")
2271  call TermWait(buf, 25)
2272  call term_sendkeys(buf, getstate)
2273  call WaitForAssert({-> assert_match('state: xS; mode: n', term_getline(buf, 6))}, 1000)
2274
2275  " Todo: "w" - waiting for ch_evalexpr()
2276
2277  " messages scrolled
2278  call term_sendkeys(buf, ":call RunTimer()\<CR>:echo \"one\\ntwo\\nthree\"\<CR>")
2279  call TermWait(buf, 25)
2280  call term_sendkeys(buf, "\<CR>")
2281  call term_sendkeys(buf, getstate)
2282  call WaitForAssert({-> assert_match('state: Scs; mode: r', term_getline(buf, 6))}, 1000)
2283
2284  call StopVimInTerminal(buf)
2285  call delete('XState')
2286endfunc
2287
2288func Test_range()
2289  " destructuring
2290  let [x, y] = range(2)
2291  call assert_equal([0, 1], [x, y])
2292
2293  " index
2294  call assert_equal(4, range(1, 10)[3])
2295
2296  " add()
2297  call assert_equal([0, 1, 2, 3], add(range(3), 3))
2298  call assert_equal([0, 1, 2, [0, 1, 2]], add([0, 1, 2], range(3)))
2299  call assert_equal([0, 1, 2, [0, 1, 2]], add(range(3), range(3)))
2300
2301  " append()
2302  new
2303  call append('.', range(5))
2304  call assert_equal(['', '0', '1', '2', '3', '4'], getline(1, '$'))
2305  bwipe!
2306
2307  " appendbufline()
2308  new
2309  call appendbufline(bufnr(''), '.', range(5))
2310  call assert_equal(['0', '1', '2', '3', '4', ''], getline(1, '$'))
2311  bwipe!
2312
2313  " call()
2314  func TwoArgs(a, b)
2315    return [a:a, a:b]
2316  endfunc
2317  call assert_equal([0, 1], call('TwoArgs', range(2)))
2318
2319  " col()
2320  new
2321  call setline(1, ['foo', 'bar'])
2322  call assert_equal(2, col(range(1, 2)))
2323  bwipe!
2324
2325  " complete()
2326  execute "normal! a\<C-r>=[complete(col('.'), range(10)), ''][1]\<CR>"
2327  " complete_info()
2328  execute "normal! a\<C-r>=[complete(col('.'), range(10)), ''][1]\<CR>\<C-r>=[complete_info(range(5)), ''][1]\<CR>"
2329
2330  " copy()
2331  call assert_equal([1, 2, 3], copy(range(1, 3)))
2332
2333  " count()
2334  call assert_equal(0, count(range(0), 3))
2335  call assert_equal(0, count(range(2), 3))
2336  call assert_equal(1, count(range(5), 3))
2337
2338  " cursor()
2339  new
2340  call setline(1, ['aaa', 'bbb', 'ccc'])
2341  call cursor(range(1, 2))
2342  call assert_equal([2, 1], [col('.'), line('.')])
2343  bwipe!
2344
2345  " deepcopy()
2346  call assert_equal([1, 2, 3], deepcopy(range(1, 3)))
2347
2348  " empty()
2349  call assert_true(empty(range(0)))
2350  call assert_false(empty(range(2)))
2351
2352  " execute()
2353  new
2354  call setline(1, ['aaa', 'bbb', 'ccc'])
2355  call execute(range(3))
2356  call assert_equal(2, line('.'))
2357  bwipe!
2358
2359  " extend()
2360  call assert_equal([1, 2, 3, 4], extend([1], range(2, 4)))
2361  call assert_equal([1, 2, 3, 4], extend(range(1, 1), range(2, 4)))
2362  call assert_equal([1, 2, 3, 4], extend(range(1, 1), [2, 3, 4]))
2363
2364  " filter()
2365  call assert_equal([1, 3], filter(range(5), 'v:val % 2'))
2366  call assert_equal([1, 5, 7, 11, 13], filter(filter(range(15), 'v:val % 2'), 'v:val % 3'))
2367
2368  " funcref()
2369  call assert_equal([0, 1], funcref('TwoArgs', range(2))())
2370
2371  " function()
2372  call assert_equal([0, 1], function('TwoArgs', range(2))())
2373
2374  " garbagecollect()
2375  let thelist = [1, range(2), 3]
2376  let otherlist = range(3)
2377  call test_garbagecollect_now()
2378
2379  " get()
2380  call assert_equal(4, get(range(1, 10), 3))
2381  call assert_equal(-1, get(range(1, 10), 42, -1))
2382
2383  " index()
2384  call assert_equal(1, index(range(1, 5), 2))
2385  call assert_fails("echo index([1, 2], 1, [])", 'E745:')
2386
2387  " inputlist()
2388  call feedkeys(":let result = inputlist(range(10))\<CR>1\<CR>", 'x')
2389  call assert_equal(1, result)
2390  call feedkeys(":let result = inputlist(range(3, 10))\<CR>1\<CR>", 'x')
2391  call assert_equal(1, result)
2392
2393  " insert()
2394  call assert_equal([42, 1, 2, 3, 4, 5], insert(range(1, 5), 42))
2395  call assert_equal([42, 1, 2, 3, 4, 5], insert(range(1, 5), 42, 0))
2396  call assert_equal([1, 42, 2, 3, 4, 5], insert(range(1, 5), 42, 1))
2397  call assert_equal([1, 2, 3, 4, 42, 5], insert(range(1, 5), 42, 4))
2398  call assert_equal([1, 2, 3, 4, 42, 5], insert(range(1, 5), 42, -1))
2399  call assert_equal([1, 2, 3, 4, 5, 42], insert(range(1, 5), 42, 5))
2400
2401  " join()
2402  call assert_equal('0 1 2 3 4', join(range(5)))
2403
2404  " json_encode()
2405  call assert_equal('[0,1,2,3]', json_encode(range(4)))
2406
2407  " len()
2408  call assert_equal(0, len(range(0)))
2409  call assert_equal(2, len(range(2)))
2410  call assert_equal(5, len(range(0, 12, 3)))
2411  call assert_equal(4, len(range(3, 0, -1)))
2412
2413  " list2str()
2414  call assert_equal('ABC', list2str(range(65, 67)))
2415  call assert_fails('let s = list2str(5)', 'E474:')
2416
2417  " lock()
2418  let thelist = range(5)
2419  lockvar thelist
2420
2421  " map()
2422  call assert_equal([0, 2, 4, 6, 8], map(range(5), 'v:val * 2'))
2423  call assert_equal([3, 5, 7, 9, 11], map(map(range(5), 'v:val * 2'), 'v:val + 3'))
2424  call assert_equal([2, 6], map(filter(range(5), 'v:val % 2'), 'v:val * 2'))
2425  call assert_equal([2, 4, 8], filter(map(range(5), 'v:val * 2'), 'v:val % 3'))
2426
2427  " match()
2428  call assert_equal(3, match(range(5), 3))
2429
2430  " matchaddpos()
2431  highlight MyGreenGroup ctermbg=green guibg=green
2432  call matchaddpos('MyGreenGroup', range(line('.'), line('.')))
2433
2434  " matchend()
2435  call assert_equal(4, matchend(range(5), '4'))
2436  call assert_equal(3, matchend(range(1, 5), '4'))
2437  call assert_equal(-1, matchend(range(1, 5), '42'))
2438
2439  " matchstrpos()
2440  call assert_equal(['4', 4, 0, 1], matchstrpos(range(5), '4'))
2441  call assert_equal(['4', 3, 0, 1], matchstrpos(range(1, 5), '4'))
2442  call assert_equal(['', -1, -1, -1], matchstrpos(range(1, 5), '42'))
2443
2444  " max() reverse()
2445  call assert_equal(0, max(range(0)))
2446  call assert_equal(0, max(range(10, 9)))
2447  call assert_equal(9, max(range(10)))
2448  call assert_equal(18, max(range(0, 20, 3)))
2449  call assert_equal(20, max(range(20, 0, -3)))
2450  call assert_equal(99999, max(range(100000)))
2451  call assert_equal(99999, max(range(99999, 0, -1)))
2452  call assert_equal(99999, max(reverse(range(100000))))
2453  call assert_equal(99999, max(reverse(range(99999, 0, -1))))
2454
2455  " min() reverse()
2456  call assert_equal(0, min(range(0)))
2457  call assert_equal(0, min(range(10, 9)))
2458  call assert_equal(5, min(range(5, 10)))
2459  call assert_equal(5, min(range(5, 10, 3)))
2460  call assert_equal(2, min(range(20, 0, -3)))
2461  call assert_equal(0, min(range(100000)))
2462  call assert_equal(0, min(range(99999, 0, -1)))
2463  call assert_equal(0, min(reverse(range(100000))))
2464  call assert_equal(0, min(reverse(range(99999, 0, -1))))
2465
2466  " remove()
2467  call assert_equal(1, remove(range(1, 10), 0))
2468  call assert_equal(2, remove(range(1, 10), 1))
2469  call assert_equal(9, remove(range(1, 10), 8))
2470  call assert_equal(10, remove(range(1, 10), 9))
2471  call assert_equal(10, remove(range(1, 10), -1))
2472  call assert_equal([3, 4, 5], remove(range(1, 10), 2, 4))
2473
2474  " repeat()
2475  call assert_equal([0, 1, 2, 0, 1, 2], repeat(range(3), 2))
2476  call assert_equal([0, 1, 2], repeat(range(3), 1))
2477  call assert_equal([], repeat(range(3), 0))
2478  call assert_equal([], repeat(range(5, 4), 2))
2479  call assert_equal([], repeat(range(5, 4), 0))
2480
2481  " reverse()
2482  call assert_equal([2, 1, 0], reverse(range(3)))
2483  call assert_equal([0, 1, 2, 3], reverse(range(3, 0, -1)))
2484  call assert_equal([9, 8, 7, 6, 5, 4, 3, 2, 1, 0], reverse(range(10)))
2485  call assert_equal([20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10], reverse(range(10, 20)))
2486  call assert_equal([16, 13, 10], reverse(range(10, 18, 3)))
2487  call assert_equal([19, 16, 13, 10], reverse(range(10, 19, 3)))
2488  call assert_equal([19, 16, 13, 10], reverse(range(10, 20, 3)))
2489  call assert_equal([11, 14, 17, 20], reverse(range(20, 10, -3)))
2490  call assert_equal([], reverse(range(0)))
2491
2492  " TODO: setpos()
2493  " new
2494  " call setline(1, repeat([''], bufnr('')))
2495  " call setline(bufnr('') + 1, repeat('x', bufnr('') * 2 + 6))
2496  " call setpos('x', range(bufnr(''), bufnr('') + 3))
2497  " bwipe!
2498
2499  " setreg()
2500  call setreg('a', range(3))
2501  call assert_equal("0\n1\n2\n", getreg('a'))
2502
2503  " settagstack()
2504  call settagstack(1, #{items : range(4)})
2505
2506  " sign_define()
2507  call assert_fails("call sign_define(range(5))", "E715:")
2508  call assert_fails("call sign_placelist(range(5))", "E715:")
2509
2510  " sign_undefine()
2511  call assert_fails("call sign_undefine(range(5))", "E908:")
2512
2513  " sign_unplacelist()
2514  call assert_fails("call sign_unplacelist(range(5))", "E715:")
2515
2516  " sort()
2517  call assert_equal([0, 1, 2, 3, 4, 5], sort(range(5, 0, -1)))
2518
2519  " string()
2520  call assert_equal('[0, 1, 2, 3, 4]', string(range(5)))
2521
2522  " taglist() with 'tagfunc'
2523  func TagFunc(pattern, flags, info)
2524    return range(10)
2525  endfunc
2526  set tagfunc=TagFunc
2527  call assert_fails("call taglist('asdf')", 'E987:')
2528  set tagfunc=
2529
2530  " term_start()
2531  if has('terminal') && has('termguicolors')
2532    call assert_fails('call term_start(range(3, 4))', 'E474:')
2533    let g:terminal_ansi_colors = range(16)
2534    if has('win32')
2535      let cmd = "cmd /c dir"
2536    else
2537      let cmd = "ls"
2538    endif
2539    call assert_fails('call term_start("' .. cmd .. '", #{term_finish: "close"})', 'E475:')
2540    unlet g:terminal_ansi_colors
2541  endif
2542
2543  " type()
2544  call assert_equal(v:t_list, type(range(5)))
2545
2546  " uniq()
2547  call assert_equal([0, 1, 2, 3, 4], uniq(range(5)))
2548
2549  " errors
2550  call assert_fails('let x=range(2, 8, 0)', 'E726:')
2551  call assert_fails('let x=range(3, 1)', 'E727:')
2552  call assert_fails('let x=range(1, 3, -2)', 'E727:')
2553  call assert_fails('let x=range([])', 'E745:')
2554  call assert_fails('let x=range(1, [])', 'E745:')
2555  call assert_fails('let x=range(1, 4, [])', 'E745:')
2556endfunc
2557
2558func Test_echoraw()
2559  CheckScreendump
2560
2561  " Normally used for escape codes, but let's test with a CR.
2562  let lines =<< trim END
2563    call echoraw("hello\<CR>x")
2564  END
2565  call writefile(lines, 'XTest_echoraw')
2566  let buf = RunVimInTerminal('-S XTest_echoraw', {'rows': 5, 'cols': 40})
2567  call VerifyScreenDump(buf, 'Test_functions_echoraw', {})
2568
2569  " clean up
2570  call StopVimInTerminal(buf)
2571  call delete('XTest_echoraw')
2572endfunc
2573
2574" Test for echo highlighting
2575func Test_echohl()
2576  echohl Search
2577  echo 'Vim'
2578  call assert_equal('Vim', Screenline(&lines))
2579  " TODO: How to check the highlight group used by echohl?
2580  " ScreenAttrs() returns all zeros.
2581  echohl None
2582endfunc
2583
2584" Test for the eval() function
2585func Test_eval()
2586  call assert_fails("call eval('5 a')", 'E488:')
2587endfunc
2588
2589" Test for the nr2char() function
2590func Test_nr2char()
2591  set encoding=latin1
2592  call assert_equal('@', nr2char(64))
2593  set encoding=utf8
2594  call assert_equal('a', nr2char(97, 1))
2595  call assert_equal('a', nr2char(97, 0))
2596
2597  call assert_equal("\x80\xfc\b\xf4\x80\xfeX\x80\xfeX\x80\xfeX", eval('"\<M-' .. nr2char(0x100000) .. '>"'))
2598  call assert_equal("\x80\xfc\b\xfd\x80\xfeX\x80\xfeX\x80\xfeX\x80\xfeX\x80\xfeX", eval('"\<M-' .. nr2char(0x40000000) .. '>"'))
2599endfunc
2600
2601" Test for screenattr(), screenchar() and screenchars() functions
2602func Test_screen_functions()
2603  call assert_equal(-1, screenattr(-1, -1))
2604  call assert_equal(-1, screenchar(-1, -1))
2605  call assert_equal([], screenchars(-1, -1))
2606endfunc
2607
2608" Test for getcurpos() and setpos()
2609func Test_getcurpos_setpos()
2610  new
2611  call setline(1, ['012345678', '012345678'])
2612  normal gg6l
2613  let sp = getcurpos()
2614  normal 0
2615  call setpos('.', sp)
2616  normal jyl
2617  call assert_equal('6', @")
2618  call assert_equal(-1, setpos('.', test_null_list()))
2619  call assert_equal(-1, setpos('.', {}))
2620
2621  let winid = win_getid()
2622  normal G$
2623  let pos = getcurpos()
2624  wincmd w
2625  call assert_equal(pos, getcurpos(winid))
2626
2627  wincmd w
2628  close!
2629
2630  call assert_equal(getcurpos(), getcurpos(0))
2631  call assert_equal([0, 0, 0, 0, 0], getcurpos(-1))
2632  call assert_equal([0, 0, 0, 0, 0], getcurpos(1999))
2633endfunc
2634
2635" Test for glob()
2636func Test_glob()
2637  call assert_equal('', glob(test_null_string()))
2638  call assert_equal('', globpath(test_null_string(), test_null_string()))
2639  call assert_fails("let x = globpath(&rtp, 'syntax/c.vim', [])", 'E745:')
2640
2641  call writefile([], 'Xglob1')
2642  call writefile([], 'XGLOB2')
2643  set wildignorecase
2644  " Sort output of glob() otherwise we end up with different
2645  " ordering depending on whether file system is case-sensitive.
2646  call assert_equal(['XGLOB2', 'Xglob1'], sort(glob('Xglob[12]', 0, 1)))
2647  set wildignorecase&
2648
2649  call delete('Xglob1')
2650  call delete('XGLOB2')
2651
2652  call assert_fails("call glob('*', 0, {})", 'E728:')
2653endfunc
2654
2655" Test for browse()
2656func Test_browse()
2657  CheckFeature browse
2658  call assert_fails('call browse([], "open", "x", "a.c")', 'E745:')
2659endfunc
2660
2661" Test for browsedir()
2662func Test_browsedir()
2663  CheckFeature browse
2664  call assert_fails('call browsedir("open", [])', 'E730:')
2665endfunc
2666
2667func HasDefault(msg = 'msg')
2668  return a:msg
2669endfunc
2670
2671func Test_default_arg_value()
2672  call assert_equal('msg', HasDefault())
2673endfunc
2674
2675" Test for gettext()
2676func Test_gettext()
2677  call assert_fails('call gettext(1)', 'E475:')
2678endfunc
2679
2680func Test_builtin_check()
2681  call assert_fails('let g:["trim"] = {x -> " " .. x}', 'E704:')
2682  call assert_fails('let g:.trim = {x -> " " .. x}', 'E704:')
2683  call assert_fails('let l:["trim"] = {x -> " " .. x}', 'E704:')
2684  call assert_fails('let l:.trim = {x -> " " .. x}', 'E704:')
2685  let lines =<< trim END
2686    vim9script
2687    var s:trim = (x) => " " .. x
2688  END
2689  call CheckScriptFailure(lines, 'E704:')
2690
2691  call assert_fails('call extend(g:, #{foo: { -> "foo" }})', 'E704:')
2692  let g:bar = 123
2693  call extend(g:, #{bar: { -> "foo" }}, "keep")
2694  call assert_fails('call extend(g:, #{bar: { -> "foo" }}, "force")', 'E704:')
2695endfunc
2696
2697
2698" vim: shiftwidth=2 sts=2 expandtab
2699