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  xnoremap <F2> <Cmd>call Save_mode()<CR>
750
751  normal! 3G
752  exe "normal i\<F2>\<Esc>"
753  call assert_equal('i-i', g:current_modes)
754  " i_CTRL-P: Multiple matches
755  exe "normal i\<C-G>uBa\<C-P>\<F2>\<Esc>u"
756  call assert_equal('i-ic', g:current_modes)
757  " i_CTRL-P: Single match
758  exe "normal iBro\<C-P>\<F2>\<Esc>u"
759  call assert_equal('i-ic', g:current_modes)
760  " i_CTRL-X
761  exe "normal iBa\<C-X>\<F2>\<Esc>u"
762  call assert_equal('i-ix', g:current_modes)
763  " i_CTRL-X CTRL-P: Multiple matches
764  exe "normal iBa\<C-X>\<C-P>\<F2>\<Esc>u"
765  call assert_equal('i-ic', g:current_modes)
766  " i_CTRL-X CTRL-P: Single match
767  exe "normal iBro\<C-X>\<C-P>\<F2>\<Esc>u"
768  call assert_equal('i-ic', g:current_modes)
769  " i_CTRL-X CTRL-P + CTRL-P: Single match
770  exe "normal iBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u"
771  call assert_equal('i-ic', g:current_modes)
772  " i_CTRL-X CTRL-L: Multiple matches
773  exe "normal i\<C-X>\<C-L>\<F2>\<Esc>u"
774  call assert_equal('i-ic', g:current_modes)
775  " i_CTRL-X CTRL-L: Single match
776  exe "normal iBlu\<C-X>\<C-L>\<F2>\<Esc>u"
777  call assert_equal('i-ic', g:current_modes)
778  " i_CTRL-P: No match
779  exe "normal iCom\<C-P>\<F2>\<Esc>u"
780  call assert_equal('i-ic', g:current_modes)
781  " i_CTRL-X CTRL-P: No match
782  exe "normal iCom\<C-X>\<C-P>\<F2>\<Esc>u"
783  call assert_equal('i-ic', g:current_modes)
784  " i_CTRL-X CTRL-L: No match
785  exe "normal iabc\<C-X>\<C-L>\<F2>\<Esc>u"
786  call assert_equal('i-ic', g:current_modes)
787
788  " R_CTRL-P: Multiple matches
789  exe "normal RBa\<C-P>\<F2>\<Esc>u"
790  call assert_equal('R-Rc', g:current_modes)
791  " R_CTRL-P: Single match
792  exe "normal RBro\<C-P>\<F2>\<Esc>u"
793  call assert_equal('R-Rc', g:current_modes)
794  " R_CTRL-X
795  exe "normal RBa\<C-X>\<F2>\<Esc>u"
796  call assert_equal('R-Rx', g:current_modes)
797  " R_CTRL-X CTRL-P: Multiple matches
798  exe "normal RBa\<C-X>\<C-P>\<F2>\<Esc>u"
799  call assert_equal('R-Rc', g:current_modes)
800  " R_CTRL-X CTRL-P: Single match
801  exe "normal RBro\<C-X>\<C-P>\<F2>\<Esc>u"
802  call assert_equal('R-Rc', g:current_modes)
803  " R_CTRL-X CTRL-P + CTRL-P: Single match
804  exe "normal RBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u"
805  call assert_equal('R-Rc', g:current_modes)
806  " R_CTRL-X CTRL-L: Multiple matches
807  exe "normal R\<C-X>\<C-L>\<F2>\<Esc>u"
808  call assert_equal('R-Rc', g:current_modes)
809  " R_CTRL-X CTRL-L: Single match
810  exe "normal RBlu\<C-X>\<C-L>\<F2>\<Esc>u"
811  call assert_equal('R-Rc', g:current_modes)
812  " R_CTRL-P: No match
813  exe "normal RCom\<C-P>\<F2>\<Esc>u"
814  call assert_equal('R-Rc', g:current_modes)
815  " R_CTRL-X CTRL-P: No match
816  exe "normal RCom\<C-X>\<C-P>\<F2>\<Esc>u"
817  call assert_equal('R-Rc', g:current_modes)
818  " R_CTRL-X CTRL-L: No match
819  exe "normal Rabc\<C-X>\<C-L>\<F2>\<Esc>u"
820  call assert_equal('R-Rc', g:current_modes)
821
822  call assert_equal('n', 0->mode())
823  call assert_equal('n', 1->mode())
824
825  " i_CTRL-O
826  exe "normal i\<C-O>:call Save_mode()\<Cr>\<Esc>"
827  call assert_equal("n-niI", g:current_modes)
828
829  " R_CTRL-O
830  exe "normal R\<C-O>:call Save_mode()\<Cr>\<Esc>"
831  call assert_equal("n-niR", g:current_modes)
832
833  " gR_CTRL-O
834  exe "normal gR\<C-O>:call Save_mode()\<Cr>\<Esc>"
835  call assert_equal("n-niV", g:current_modes)
836
837  " How to test operator-pending mode?
838
839  call feedkeys("v", 'xt')
840  call assert_equal('v', mode())
841  call assert_equal('v', mode(1))
842  call feedkeys("\<Esc>V", 'xt')
843  call assert_equal('V', mode())
844  call assert_equal('V', mode(1))
845  call feedkeys("\<Esc>\<C-V>", 'xt')
846  call assert_equal("\<C-V>", mode())
847  call assert_equal("\<C-V>", mode(1))
848  call feedkeys("\<Esc>", 'xt')
849
850  call feedkeys("gh", 'xt')
851  call assert_equal('s', mode())
852  call assert_equal('s', mode(1))
853  call feedkeys("\<Esc>gH", 'xt')
854  call assert_equal('S', mode())
855  call assert_equal('S', mode(1))
856  call feedkeys("\<Esc>g\<C-H>", 'xt')
857  call assert_equal("\<C-S>", mode())
858  call assert_equal("\<C-S>", mode(1))
859  call feedkeys("\<Esc>", 'xt')
860
861  " v_CTRL-O
862  exe "normal gh\<C-O>\<F2>\<Esc>"
863  call assert_equal("v-vs", g:current_modes)
864  exe "normal gH\<C-O>\<F2>\<Esc>"
865  call assert_equal("V-Vs", g:current_modes)
866  exe "normal g\<C-H>\<C-O>\<F2>\<Esc>"
867  call assert_equal("\<C-V>-\<C-V>s", g:current_modes)
868
869  call feedkeys(":echo \<C-R>=Save_mode()\<C-U>\<CR>", 'xt')
870  call assert_equal('c-c', g:current_modes)
871  call feedkeys("gQecho \<C-R>=Save_mode()\<CR>\<CR>vi\<CR>", 'xt')
872  call assert_equal('c-cv', g:current_modes)
873  call feedkeys("Qcall Save_mode()\<CR>vi\<CR>", 'xt')
874  call assert_equal('c-ce', g:current_modes)
875  " How to test Ex mode?
876
877  bwipe!
878  iunmap <F2>
879  xunmap <F2>
880  set complete&
881endfunc
882
883" Test for append()
884func Test_append()
885  enew!
886  split
887  call append(0, ["foo"])
888  call append(1, [])
889  call append(1, test_null_list())
890  call assert_equal(['foo', ''], getline(1, '$'))
891  split
892  only
893  undo
894  undo
895
896  " Using $ instead of '$' must give an error
897  call assert_fails("call append($, 'foobar')", 'E116:')
898endfunc
899
900" Test for setline()
901func Test_setline()
902  new
903  call setline(0, ["foo"])
904  call setline(0, [])
905  call setline(0, test_null_list())
906  call setline(1, ["bar"])
907  call setline(1, [])
908  call setline(1, test_null_list())
909  call setline(2, [])
910  call setline(2, test_null_list())
911  call setline(3, [])
912  call setline(3, test_null_list())
913  call setline(2, ["baz"])
914  call assert_equal(['bar', 'baz'], getline(1, '$'))
915  close!
916endfunc
917
918func Test_getbufvar()
919  let bnr = bufnr('%')
920  let b:var_num = '1234'
921  let def_num = '5678'
922  call assert_equal('1234', getbufvar(bnr, 'var_num'))
923  call assert_equal('1234', getbufvar(bnr, 'var_num', def_num))
924
925  let bd = getbufvar(bnr, '')
926  call assert_equal('1234', bd['var_num'])
927  call assert_true(exists("bd['changedtick']"))
928  call assert_equal(2, len(bd))
929
930  let bd2 = getbufvar(bnr, '', def_num)
931  call assert_equal(bd, bd2)
932
933  unlet b:var_num
934  call assert_equal(def_num, getbufvar(bnr, 'var_num', def_num))
935  call assert_equal('', getbufvar(bnr, 'var_num'))
936
937  let bd = getbufvar(bnr, '')
938  call assert_equal(1, len(bd))
939  let bd = getbufvar(bnr, '',def_num)
940  call assert_equal(1, len(bd))
941
942  call assert_equal('', getbufvar(9999, ''))
943  call assert_equal(def_num, getbufvar(9999, '', def_num))
944  unlet def_num
945
946  call assert_equal(0, getbufvar(bnr, '&autoindent'))
947  call assert_equal(0, getbufvar(bnr, '&autoindent', 1))
948
949  " Set and get a buffer-local variable
950  call setbufvar(bnr, 'bufvar_test', ['one', 'two'])
951  call assert_equal(['one', 'two'], getbufvar(bnr, 'bufvar_test'))
952
953  " Open new window with forced option values
954  set fileformats=unix,dos
955  new ++ff=dos ++bin ++enc=iso-8859-2
956  call assert_equal('dos', getbufvar(bufnr('%'), '&fileformat'))
957  call assert_equal(1, getbufvar(bufnr('%'), '&bin'))
958  call assert_equal('iso-8859-2', getbufvar(bufnr('%'), '&fenc'))
959  close
960
961  " Get the b: dict.
962  let b:testvar = 'one'
963  new
964  let b:testvar = 'two'
965  let thebuf = bufnr()
966  wincmd w
967  call assert_equal('two', getbufvar(thebuf, 'testvar'))
968  call assert_equal('two', getbufvar(thebuf, '').testvar)
969  bwipe!
970
971  set fileformats&
972endfunc
973
974func Test_last_buffer_nr()
975  call assert_equal(bufnr('$'), last_buffer_nr())
976endfunc
977
978func Test_stridx()
979  call assert_equal(-1, stridx('', 'l'))
980  call assert_equal(0,  stridx('', ''))
981  call assert_equal(0,  'hello'->stridx(''))
982  call assert_equal(-1, stridx('hello', 'L'))
983  call assert_equal(2,  stridx('hello', 'l', -1))
984  call assert_equal(2,  stridx('hello', 'l', 0))
985  call assert_equal(2,  'hello'->stridx('l', 1))
986  call assert_equal(3,  stridx('hello', 'l', 3))
987  call assert_equal(-1, stridx('hello', 'l', 4))
988  call assert_equal(-1, stridx('hello', 'l', 10))
989  call assert_equal(2,  stridx('hello', 'll'))
990  call assert_equal(-1, stridx('hello', 'hello world'))
991  call assert_fails("let n=stridx('hello', [])", 'E730:')
992  call assert_fails("let n=stridx([], 'l')", 'E730:')
993endfunc
994
995func Test_strridx()
996  call assert_equal(-1, strridx('', 'l'))
997  call assert_equal(0,  strridx('', ''))
998  call assert_equal(5,  strridx('hello', ''))
999  call assert_equal(-1, strridx('hello', 'L'))
1000  call assert_equal(3,  'hello'->strridx('l'))
1001  call assert_equal(3,  strridx('hello', 'l', 10))
1002  call assert_equal(3,  strridx('hello', 'l', 3))
1003  call assert_equal(2,  strridx('hello', 'l', 2))
1004  call assert_equal(-1, strridx('hello', 'l', 1))
1005  call assert_equal(-1, strridx('hello', 'l', 0))
1006  call assert_equal(-1, strridx('hello', 'l', -1))
1007  call assert_equal(2,  strridx('hello', 'll'))
1008  call assert_equal(-1, strridx('hello', 'hello world'))
1009  call assert_fails("let n=strridx('hello', [])", 'E730:')
1010  call assert_fails("let n=strridx([], 'l')", 'E730:')
1011endfunc
1012
1013func Test_match_func()
1014  call assert_equal(4,  match('testing', 'ing'))
1015  call assert_equal(4,  'testing'->match('ing', 2))
1016  call assert_equal(-1, match('testing', 'ing', 5))
1017  call assert_equal(-1, match('testing', 'ing', 8))
1018  call assert_equal(1, match(['vim', 'testing', 'execute'], 'ing'))
1019  call assert_equal(-1, match(['vim', 'testing', 'execute'], 'img'))
1020  call assert_fails("let x=match('vim', [])", 'E730:')
1021  call assert_equal(3, match(['a', 'b', 'c', 'a'], 'a', 1))
1022  call assert_equal(-1, match(['a', 'b', 'c', 'a'], 'a', 5))
1023  call assert_equal(4,  match('testing', 'ing', -1))
1024  call assert_fails("let x=match('testing', 'ing', 0, [])", 'E745:')
1025  call assert_equal(-1, match(test_null_list(), 2))
1026  call assert_equal(-1, match('abc', '\\%('))
1027endfunc
1028
1029func Test_matchend()
1030  call assert_equal(7,  matchend('testing', 'ing'))
1031  call assert_equal(7,  'testing'->matchend('ing', 2))
1032  call assert_equal(-1, matchend('testing', 'ing', 5))
1033  call assert_equal(-1, matchend('testing', 'ing', 8))
1034  call assert_equal(match(['vim', 'testing', 'execute'], 'ing'), matchend(['vim', 'testing', 'execute'], 'ing'))
1035  call assert_equal(match(['vim', 'testing', 'execute'], 'img'), matchend(['vim', 'testing', 'execute'], 'img'))
1036endfunc
1037
1038func Test_matchlist()
1039  call assert_equal(['acd', 'a', '', 'c', 'd', '', '', '', '', ''],  matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)'))
1040  call assert_equal(['d', '', '', '', 'd', '', '', '', '', ''],  'acd'->matchlist('\(a\)\?\(b\)\?\(c\)\?\(.*\)', 2))
1041  call assert_equal([],  matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)', 4))
1042endfunc
1043
1044func Test_matchstr()
1045  call assert_equal('ing',  matchstr('testing', 'ing'))
1046  call assert_equal('ing',  'testing'->matchstr('ing', 2))
1047  call assert_equal('', matchstr('testing', 'ing', 5))
1048  call assert_equal('', matchstr('testing', 'ing', 8))
1049  call assert_equal('testing', matchstr(['vim', 'testing', 'execute'], 'ing'))
1050  call assert_equal('', matchstr(['vim', 'testing', 'execute'], 'img'))
1051endfunc
1052
1053func Test_matchstrpos()
1054  call assert_equal(['ing', 4, 7], matchstrpos('testing', 'ing'))
1055  call assert_equal(['ing', 4, 7], 'testing'->matchstrpos('ing', 2))
1056  call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 5))
1057  call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 8))
1058  call assert_equal(['ing', 1, 4, 7], matchstrpos(['vim', 'testing', 'execute'], 'ing'))
1059  call assert_equal(['', -1, -1, -1], matchstrpos(['vim', 'testing', 'execute'], 'img'))
1060  call assert_equal(['', -1, -1], matchstrpos(test_null_list(), '\a'))
1061endfunc
1062
1063func Test_nextnonblank_prevnonblank()
1064  new
1065insert
1066This
1067
1068
1069is
1070
1071a
1072Test
1073.
1074  call assert_equal(0, nextnonblank(-1))
1075  call assert_equal(0, nextnonblank(0))
1076  call assert_equal(1, nextnonblank(1))
1077  call assert_equal(4, 2->nextnonblank())
1078  call assert_equal(4, nextnonblank(3))
1079  call assert_equal(4, nextnonblank(4))
1080  call assert_equal(6, nextnonblank(5))
1081  call assert_equal(6, nextnonblank(6))
1082  call assert_equal(7, nextnonblank(7))
1083  call assert_equal(0, 8->nextnonblank())
1084
1085  call assert_equal(0, prevnonblank(-1))
1086  call assert_equal(0, prevnonblank(0))
1087  call assert_equal(1, 1->prevnonblank())
1088  call assert_equal(1, prevnonblank(2))
1089  call assert_equal(1, prevnonblank(3))
1090  call assert_equal(4, prevnonblank(4))
1091  call assert_equal(4, 5->prevnonblank())
1092  call assert_equal(6, prevnonblank(6))
1093  call assert_equal(7, prevnonblank(7))
1094  call assert_equal(0, prevnonblank(8))
1095  bw!
1096endfunc
1097
1098func Test_byte2line_line2byte()
1099  new
1100  set endofline
1101  call setline(1, ['a', 'bc', 'd'])
1102
1103  set fileformat=unix
1104  call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1],
1105  \                 map(range(-1, 8), 'byte2line(v:val)'))
1106  call assert_equal([-1, -1, 1, 3, 6, 8, -1],
1107  \                 map(range(-1, 5), 'line2byte(v:val)'))
1108
1109  set fileformat=mac
1110  call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1],
1111  \                 map(range(-1, 8), 'v:val->byte2line()'))
1112  call assert_equal([-1, -1, 1, 3, 6, 8, -1],
1113  \                 map(range(-1, 5), 'v:val->line2byte()'))
1114
1115  set fileformat=dos
1116  call assert_equal([-1, -1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, -1],
1117  \                 map(range(-1, 11), 'byte2line(v:val)'))
1118  call assert_equal([-1, -1, 1, 4, 8, 11, -1],
1119  \                 map(range(-1, 5), 'line2byte(v:val)'))
1120
1121  bw!
1122  set noendofline nofixendofline
1123  normal a-
1124  for ff in ["unix", "mac", "dos"]
1125    let &fileformat = ff
1126    call assert_equal(1, line2byte(1))
1127    call assert_equal(2, line2byte(2))  " line2byte(line("$") + 1) is the buffer size plus one (as per :help line2byte).
1128  endfor
1129
1130  set endofline& fixendofline& fileformat&
1131  bw!
1132endfunc
1133
1134" Test for byteidx() and byteidxcomp() functions
1135func Test_byteidx()
1136  let a = '.é.' " one char of two bytes
1137  call assert_equal(0, byteidx(a, 0))
1138  call assert_equal(0, byteidxcomp(a, 0))
1139  call assert_equal(1, byteidx(a, 1))
1140  call assert_equal(1, byteidxcomp(a, 1))
1141  call assert_equal(3, byteidx(a, 2))
1142  call assert_equal(3, byteidxcomp(a, 2))
1143  call assert_equal(4, byteidx(a, 3))
1144  call assert_equal(4, byteidxcomp(a, 3))
1145  call assert_equal(-1, byteidx(a, 4))
1146  call assert_equal(-1, byteidxcomp(a, 4))
1147
1148  let b = '.é.' " normal e with composing char
1149  call assert_equal(0, b->byteidx(0))
1150  call assert_equal(1, b->byteidx(1))
1151  call assert_equal(4, b->byteidx(2))
1152  call assert_equal(5, b->byteidx(3))
1153  call assert_equal(-1, b->byteidx(4))
1154  call assert_fails("call byteidx([], 0)", 'E730:')
1155
1156  call assert_equal(0, b->byteidxcomp(0))
1157  call assert_equal(1, b->byteidxcomp(1))
1158  call assert_equal(2, b->byteidxcomp(2))
1159  call assert_equal(4, b->byteidxcomp(3))
1160  call assert_equal(5, b->byteidxcomp(4))
1161  call assert_equal(-1, b->byteidxcomp(5))
1162  call assert_fails("call byteidxcomp([], 0)", 'E730:')
1163endfunc
1164
1165" Test for charidx()
1166func Test_charidx()
1167  let a = 'xáb́y'
1168  call assert_equal(0, charidx(a, 0))
1169  call assert_equal(1, charidx(a, 3))
1170  call assert_equal(2, charidx(a, 4))
1171  call assert_equal(3, charidx(a, 7))
1172  call assert_equal(-1, charidx(a, 8))
1173  call assert_equal(-1, charidx(a, -1))
1174  call assert_equal(-1, charidx('', 0))
1175  call assert_equal(-1, charidx(test_null_string(), 0))
1176
1177  " count composing characters
1178  call assert_equal(0, charidx(a, 0, 1))
1179  call assert_equal(2, charidx(a, 2, 1))
1180  call assert_equal(3, charidx(a, 4, 1))
1181  call assert_equal(5, charidx(a, 7, 1))
1182  call assert_equal(-1, charidx(a, 8, 1))
1183  call assert_equal(-1, charidx('', 0, 1))
1184
1185  call assert_fails('let x = charidx([], 1)', 'E474:')
1186  call assert_fails('let x = charidx("abc", [])', 'E474:')
1187  call assert_fails('let x = charidx("abc", 1, [])', 'E474:')
1188  call assert_fails('let x = charidx("abc", 1, -1)', 'E1023:')
1189  call assert_fails('let x = charidx("abc", 1, 2)', 'E1023:')
1190endfunc
1191
1192func Test_count()
1193  let l = ['a', 'a', 'A', 'b']
1194  call assert_equal(2, count(l, 'a'))
1195  call assert_equal(1, count(l, 'A'))
1196  call assert_equal(1, count(l, 'b'))
1197  call assert_equal(0, count(l, 'B'))
1198
1199  call assert_equal(2, count(l, 'a', 0))
1200  call assert_equal(1, count(l, 'A', 0))
1201  call assert_equal(1, count(l, 'b', 0))
1202  call assert_equal(0, count(l, 'B', 0))
1203
1204  call assert_equal(3, count(l, 'a', 1))
1205  call assert_equal(3, count(l, 'A', 1))
1206  call assert_equal(1, count(l, 'b', 1))
1207  call assert_equal(1, count(l, 'B', 1))
1208  call assert_equal(0, count(l, 'c', 1))
1209
1210  call assert_equal(1, count(l, 'a', 0, 1))
1211  call assert_equal(2, count(l, 'a', 1, 1))
1212  call assert_fails('call count(l, "a", 0, 10)', 'E684:')
1213  call assert_fails('call count(l, "a", [])', 'E745:')
1214
1215  let d = {1: 'a', 2: 'a', 3: 'A', 4: 'b'}
1216  call assert_equal(2, count(d, 'a'))
1217  call assert_equal(1, count(d, 'A'))
1218  call assert_equal(1, count(d, 'b'))
1219  call assert_equal(0, count(d, 'B'))
1220
1221  call assert_equal(2, count(d, 'a', 0))
1222  call assert_equal(1, count(d, 'A', 0))
1223  call assert_equal(1, count(d, 'b', 0))
1224  call assert_equal(0, count(d, 'B', 0))
1225
1226  call assert_equal(3, count(d, 'a', 1))
1227  call assert_equal(3, count(d, 'A', 1))
1228  call assert_equal(1, count(d, 'b', 1))
1229  call assert_equal(1, count(d, 'B', 1))
1230  call assert_equal(0, count(d, 'c', 1))
1231
1232  call assert_fails('call count(d, "a", 0, 1)', 'E474:')
1233
1234  call assert_equal(0, count("foo", "bar"))
1235  call assert_equal(1, count("foo", "oo"))
1236  call assert_equal(2, count("foo", "o"))
1237  call assert_equal(0, count("foo", "O"))
1238  call assert_equal(2, count("foo", "O", 1))
1239  call assert_equal(2, count("fooooo", "oo"))
1240  call assert_equal(0, count("foo", ""))
1241
1242  call assert_fails('call count(0, 0)', 'E712:')
1243endfunc
1244
1245func Test_changenr()
1246  new Xchangenr
1247  call assert_equal(0, changenr())
1248  norm ifoo
1249  call assert_equal(1, changenr())
1250  set undolevels=10
1251  norm Sbar
1252  call assert_equal(2, changenr())
1253  undo
1254  call assert_equal(1, changenr())
1255  redo
1256  call assert_equal(2, changenr())
1257  bw!
1258  set undolevels&
1259endfunc
1260
1261func Test_filewritable()
1262  new Xfilewritable
1263  write!
1264  call assert_equal(1, filewritable('Xfilewritable'))
1265
1266  call assert_notequal(0, setfperm('Xfilewritable', 'r--r-----'))
1267  call assert_equal(0, filewritable('Xfilewritable'))
1268
1269  call assert_notequal(0, setfperm('Xfilewritable', 'rw-r-----'))
1270  call assert_equal(1, 'Xfilewritable'->filewritable())
1271
1272  call assert_equal(0, filewritable('doesnotexist'))
1273
1274  call mkdir('Xdir')
1275  call assert_equal(2, filewritable('Xdir'))
1276  call delete('Xdir', 'd')
1277
1278  call delete('Xfilewritable')
1279  bw!
1280endfunc
1281
1282func Test_Executable()
1283  if has('win32')
1284    call assert_equal(1, executable('notepad'))
1285    call assert_equal(1, 'notepad.exe'->executable())
1286    call assert_equal(0, executable('notepad.exe.exe'))
1287    call assert_equal(0, executable('shell32.dll'))
1288    call assert_equal(0, executable('win.ini'))
1289
1290    " get "notepad" path and remove the leading drive and sep. (ex. 'C:\')
1291    let notepadcmd = exepath('notepad.exe')
1292    let driveroot = notepadcmd[:2]
1293    let notepadcmd = notepadcmd[3:]
1294    new
1295    " check that the relative path works in /
1296    execute 'lcd' driveroot
1297    call assert_equal(1, executable(notepadcmd))
1298    call assert_equal(driveroot .. notepadcmd, notepadcmd->exepath())
1299    bwipe
1300
1301    " create "notepad.bat"
1302    call mkdir('Xdir')
1303    let notepadbat = fnamemodify('Xdir/notepad.bat', ':p')
1304    call writefile([], notepadbat)
1305    new
1306    " check that the path and the pathext order is valid
1307    lcd Xdir
1308    let [pathext, $PATHEXT] = [$PATHEXT, '.com;.exe;.bat;.cmd']
1309    call assert_equal(notepadbat, exepath('notepad'))
1310    let $PATHEXT = pathext
1311    bwipe
1312    eval 'Xdir'->delete('rf')
1313  elseif has('unix')
1314    call assert_equal(1, 'cat'->executable())
1315    call assert_equal(0, executable('nodogshere'))
1316
1317    " get "cat" path and remove the leading /
1318    let catcmd = exepath('cat')[1:]
1319    new
1320    " check that the relative path works in /
1321    lcd /
1322    call assert_equal(1, executable(catcmd))
1323    let result = catcmd->exepath()
1324    " when using chroot looking for sbin/cat can return bin/cat, that is OK
1325    if catcmd =~ '\<sbin\>' && result =~ '\<bin\>'
1326      call assert_equal('/' .. substitute(catcmd, '\<sbin\>', 'bin', ''), result)
1327    else
1328      " /bin/cat and /usr/bin/cat may be hard linked, we could get either
1329      let result = substitute(result, '/usr/bin/cat', '/bin/cat', '')
1330      let catcmd = substitute(catcmd, 'usr/bin/cat', 'bin/cat', '')
1331      call assert_equal('/' .. catcmd, result)
1332    endif
1333    bwipe
1334  else
1335    throw 'Skipped: does not work on this platform'
1336  endif
1337endfunc
1338
1339func Test_executable_longname()
1340  CheckMSWindows
1341
1342  " Create a temporary .bat file with 205 characters in the name.
1343  " Maximum length of a filename (including the path) on MS-Windows is 259
1344  " characters.
1345  " See https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation
1346  let len = 259 - getcwd()->len() - 6
1347  if len > 200
1348    let len = 200
1349  endif
1350
1351  let fname = 'X' . repeat('あ', len) . '.bat'
1352  call writefile([], fname)
1353  call assert_equal(1, executable(fname))
1354  call delete(fname)
1355endfunc
1356
1357func Test_hostname()
1358  let hostname_vim = hostname()
1359  if has('unix')
1360    let hostname_system = systemlist('uname -n')[0]
1361    call assert_equal(hostname_vim, hostname_system)
1362  endif
1363endfunc
1364
1365func Test_getpid()
1366  " getpid() always returns the same value within a vim instance.
1367  call assert_equal(getpid(), getpid())
1368  if has('unix')
1369    call assert_equal(systemlist('echo $PPID')[0], string(getpid()))
1370  endif
1371endfunc
1372
1373func Test_hlexists()
1374  call assert_equal(0, hlexists('does_not_exist'))
1375  call assert_equal(0, 'Number'->hlexists())
1376  call assert_equal(0, highlight_exists('does_not_exist'))
1377  call assert_equal(0, highlight_exists('Number'))
1378  syntax on
1379  call assert_equal(0, hlexists('does_not_exist'))
1380  call assert_equal(1, hlexists('Number'))
1381  call assert_equal(0, highlight_exists('does_not_exist'))
1382  call assert_equal(1, highlight_exists('Number'))
1383  syntax off
1384endfunc
1385
1386" Test for the col() function
1387func Test_col()
1388  new
1389  call setline(1, 'abcdef')
1390  norm gg4|mx6|mY2|
1391  call assert_equal(2, col('.'))
1392  call assert_equal(7, col('$'))
1393  call assert_equal(2, col('v'))
1394  call assert_equal(4, col("'x"))
1395  call assert_equal(6, col("'Y"))
1396  call assert_equal(2, [1, 2]->col())
1397  call assert_equal(7, col([1, '$']))
1398
1399  call assert_equal(0, col(''))
1400  call assert_equal(0, col('x'))
1401  call assert_equal(0, col([2, '$']))
1402  call assert_equal(0, col([1, 100]))
1403  call assert_equal(0, col([1]))
1404  call assert_equal(0, col(test_null_list()))
1405  call assert_fails('let c = col({})', 'E731:')
1406
1407  " test for getting the visual start column
1408  func T()
1409    let g:Vcol = col('v')
1410    return ''
1411  endfunc
1412  let g:Vcol = 0
1413  xmap <expr> <F2> T()
1414  exe "normal gg3|ve\<F2>"
1415  call assert_equal(3, g:Vcol)
1416  xunmap <F2>
1417  delfunc T
1418
1419  " Test for the visual line start and end marks '< and '>
1420  call setline(1, ['one', 'one two', 'one two three'])
1421  "normal! ggVG
1422  call feedkeys("ggVG\<Esc>", 'xt')
1423  call assert_equal(1, col("'<"))
1424  call assert_equal(14, col("'>"))
1425  " Delete the last line of the visually selected region
1426  $d
1427  call assert_notequal(14, col("'>"))
1428
1429  " Test with 'virtualedit'
1430  set virtualedit=all
1431  call cursor(1, 10)
1432  call assert_equal(4, col('.'))
1433  set virtualedit&
1434
1435  bw!
1436endfunc
1437
1438" Test for input()
1439func Test_input_func()
1440  " Test for prompt with multiple lines
1441  redir => v
1442  call feedkeys(":let c = input(\"A\\nB\\nC\\n? \")\<CR>B\<CR>", 'xt')
1443  redir END
1444  call assert_equal("B", c)
1445  call assert_equal(['A', 'B', 'C'], split(v, "\n"))
1446
1447  " Test for default value
1448  call feedkeys(":let c = input('color? ', 'red')\<CR>\<CR>", 'xt')
1449  call assert_equal('red', c)
1450
1451  " Test for completion at the input prompt
1452  func! Tcomplete(arglead, cmdline, pos)
1453    return "item1\nitem2\nitem3"
1454  endfunc
1455  call feedkeys(":let c = input('Q? ', '', 'custom,Tcomplete')\<CR>"
1456        \ .. "\<C-A>\<CR>", 'xt')
1457  delfunc Tcomplete
1458  call assert_equal('item1 item2 item3', c)
1459
1460  " Test for using special characters as default input
1461  call feedkeys(":let c = input('name? ', \"x\\<BS>y\")\<CR>\<CR>", 'xt')
1462  call assert_equal('y', c)
1463
1464  " Test for using <CR> as default input
1465  call feedkeys(":let c = input('name? ', \"\\<CR>\")\<CR>x\<CR>", 'xt')
1466  call assert_equal(' x', c)
1467
1468  call assert_fails("call input('F:', '', 'invalid')", 'E180:')
1469  call assert_fails("call input('F:', '', [])", 'E730:')
1470endfunc
1471
1472" Test for the inputdialog() function
1473func Test_inputdialog()
1474  set timeout timeoutlen=10
1475  if has('gui_running')
1476    call assert_fails('let v=inputdialog([], "xx")', 'E730:')
1477    call assert_fails('let v=inputdialog("Q", [])', 'E730:')
1478  else
1479    call feedkeys(":let v=inputdialog('Q:', 'xx', 'yy')\<CR>\<CR>", 'xt')
1480    call assert_equal('xx', v)
1481    call feedkeys(":let v=inputdialog('Q:', 'xx', 'yy')\<CR>\<Esc>", 'xt')
1482    call assert_equal('yy', v)
1483  endif
1484  set timeout& timeoutlen&
1485endfunc
1486
1487" Test for inputlist()
1488func Test_inputlist()
1489  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>1\<cr>", 'tx')
1490  call assert_equal(1, c)
1491  call feedkeys(":let c = ['Select color:', '1. red', '2. green', '3. blue']->inputlist()\<cr>2\<cr>", 'tx')
1492  call assert_equal(2, c)
1493  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>3\<cr>", 'tx')
1494  call assert_equal(3, c)
1495
1496  " CR to cancel
1497  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<cr>", 'tx')
1498  call assert_equal(0, c)
1499
1500  " Esc to cancel
1501  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<Esc>", 'tx')
1502  call assert_equal(0, c)
1503
1504  " q to cancel
1505  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>q", 'tx')
1506  call assert_equal(0, c)
1507
1508  " Cancel after inputting a number
1509  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>5q", 'tx')
1510  call assert_equal(0, c)
1511
1512  " Use backspace to delete characters in the prompt
1513  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>1\<BS>3\<BS>2\<cr>", 'tx')
1514  call assert_equal(2, c)
1515
1516  " Use mouse to make a selection
1517  call test_setmouse(&lines - 3, 2)
1518  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<LeftMouse>", 'tx')
1519  call assert_equal(1, c)
1520  " Mouse click outside of the list
1521  call test_setmouse(&lines - 6, 2)
1522  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>\<LeftMouse>", 'tx')
1523  call assert_equal(-2, c)
1524
1525  call assert_fails('call inputlist("")', 'E686:')
1526  call assert_fails('call inputlist(test_null_list())', 'E686:')
1527endfunc
1528
1529func Test_balloon_show()
1530  CheckFeature balloon_eval
1531
1532  " This won't do anything but must not crash either.
1533  call balloon_show('hi!')
1534  if !has('gui_running')
1535    call balloon_show(range(3))
1536    call balloon_show([])
1537  endif
1538endfunc
1539
1540func Test_setbufvar_options()
1541  " This tests that aucmd_prepbuf() and aucmd_restbuf() properly restore the
1542  " window layout.
1543  call assert_equal(1, winnr('$'))
1544  split dummy_preview
1545  resize 2
1546  set winfixheight winfixwidth
1547  let prev_id = win_getid()
1548
1549  wincmd j
1550  let wh = winheight(0)
1551  let dummy_buf = bufnr('dummy_buf1', v:true)
1552  call setbufvar(dummy_buf, '&buftype', 'nofile')
1553  execute 'belowright vertical split #' . dummy_buf
1554  call assert_equal(wh, winheight(0))
1555  let dum1_id = win_getid()
1556
1557  wincmd h
1558  let wh = winheight(0)
1559  let dummy_buf = bufnr('dummy_buf2', v:true)
1560  eval 'nofile'->setbufvar(dummy_buf, '&buftype')
1561  execute 'belowright vertical split #' . dummy_buf
1562  call assert_equal(wh, winheight(0))
1563
1564  bwipe!
1565  call win_gotoid(prev_id)
1566  bwipe!
1567  call win_gotoid(dum1_id)
1568  bwipe!
1569endfunc
1570
1571func Test_redo_in_nested_functions()
1572  nnoremap g. :set opfunc=Operator<CR>g@
1573  function Operator( type, ... )
1574     let @x = 'XXX'
1575     execute 'normal! g`[' . (a:type ==# 'line' ? 'V' : 'v') . 'g`]' . '"xp'
1576  endfunction
1577
1578  function! Apply()
1579      5,6normal! .
1580  endfunction
1581
1582  new
1583  call setline(1, repeat(['some "quoted" text', 'more "quoted" text'], 3))
1584  1normal g.i"
1585  call assert_equal('some "XXX" text', getline(1))
1586  3,4normal .
1587  call assert_equal('some "XXX" text', getline(3))
1588  call assert_equal('more "XXX" text', getline(4))
1589  call Apply()
1590  call assert_equal('some "XXX" text', getline(5))
1591  call assert_equal('more "XXX" text', getline(6))
1592  bwipe!
1593
1594  nunmap g.
1595  delfunc Operator
1596  delfunc Apply
1597endfunc
1598
1599func Test_trim()
1600  call assert_equal("Testing", trim("  \t\r\r\x0BTesting  \t\n\r\n\t\x0B\x0B"))
1601  call assert_equal("Testing", "  \t  \r\r\n\n\x0BTesting  \t\n\r\n\t\x0B\x0B"->trim())
1602  call assert_equal("RESERVE", trim("xyz \twwRESERVEzyww \t\t", " wxyz\t"))
1603  call assert_equal("wRE    \tSERVEzyww", trim("wRE    \tSERVEzyww"))
1604  call assert_equal("abcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail"))
1605  call assert_equal("\tabcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail", " "))
1606  call assert_equal(" \tabcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail", "abx"))
1607  call assert_equal("RESERVE", trim("你RESERVE好", "你好"))
1608  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"))
1609  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", ))
1610  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"))
1611  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"))
1612  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"))
1613  call assert_equal("留下", trim("这些些不要这些留下这些", "这些不要"))
1614  call assert_equal("", trim("", ""))
1615  call assert_equal("a", trim("a", ""))
1616  call assert_equal("", trim("", "a"))
1617
1618  call assert_equal("vim", trim("  vim  ", " ", 0))
1619  call assert_equal("vim  ", trim("  vim  ", " ", 1))
1620  call assert_equal("  vim", trim("  vim  ", " ", 2))
1621  call assert_fails('eval trim("  vim  ", " ", [])', 'E745:')
1622  call assert_fails('eval trim("  vim  ", " ", -1)', 'E475:')
1623  call assert_fails('eval trim("  vim  ", " ", 3)', 'E475:')
1624
1625  let chars = join(map(range(1, 0x20) + [0xa0], {n -> n->nr2char()}), '')
1626  call assert_equal("x", trim(chars . "x" . chars))
1627
1628  call assert_fails('let c=trim([])', 'E730:')
1629endfunc
1630
1631" Test for reg_recording() and reg_executing()
1632func Test_reg_executing_and_recording()
1633  let s:reg_stat = ''
1634  func s:save_reg_stat()
1635    let s:reg_stat = reg_recording() . ':' . reg_executing()
1636    return ''
1637  endfunc
1638
1639  new
1640  call s:save_reg_stat()
1641  call assert_equal(':', s:reg_stat)
1642  call feedkeys("qa\"=s:save_reg_stat()\<CR>pq", 'xt')
1643  call assert_equal('a:', s:reg_stat)
1644  call feedkeys("@a", 'xt')
1645  call assert_equal(':a', s:reg_stat)
1646  call feedkeys("qb@aq", 'xt')
1647  call assert_equal('b:a', s:reg_stat)
1648  call feedkeys("q\"\"=s:save_reg_stat()\<CR>pq", 'xt')
1649  call assert_equal('":', s:reg_stat)
1650
1651  " :normal command saves and restores reg_executing
1652  let s:reg_stat = ''
1653  let @q = ":call TestFunc()\<CR>:call s:save_reg_stat()\<CR>"
1654  func TestFunc() abort
1655    normal! ia
1656  endfunc
1657  call feedkeys("@q", 'xt')
1658  call assert_equal(':q', s:reg_stat)
1659  delfunc TestFunc
1660
1661  " getchar() command saves and restores reg_executing
1662  map W :call TestFunc()<CR>
1663  let @q = "W"
1664  let g:typed = ''
1665  let g:regs = []
1666  func TestFunc() abort
1667    let g:regs += [reg_executing()]
1668    let g:typed = getchar(0)
1669    let g:regs += [reg_executing()]
1670  endfunc
1671  call feedkeys("@qy", 'xt')
1672  call assert_equal(char2nr("y"), g:typed)
1673  call assert_equal(['q', 'q'], g:regs)
1674  delfunc TestFunc
1675  unmap W
1676  unlet g:typed
1677  unlet g:regs
1678
1679  " input() command saves and restores reg_executing
1680  map W :call TestFunc()<CR>
1681  let @q = "W"
1682  let g:typed = ''
1683  let g:regs = []
1684  func TestFunc() abort
1685    let g:regs += [reg_executing()]
1686    let g:typed = '?'->input()
1687    let g:regs += [reg_executing()]
1688  endfunc
1689  call feedkeys("@qy\<CR>", 'xt')
1690  call assert_equal("y", g:typed)
1691  call assert_equal(['q', 'q'], g:regs)
1692  delfunc TestFunc
1693  unmap W
1694  unlet g:typed
1695  unlet g:regs
1696
1697  bwipe!
1698  delfunc s:save_reg_stat
1699  unlet s:reg_stat
1700endfunc
1701
1702func Test_inputsecret()
1703  map W :call TestFunc()<CR>
1704  let @q = "W"
1705  let g:typed1 = ''
1706  let g:typed2 = ''
1707  let g:regs = []
1708  func TestFunc() abort
1709    let g:typed1 = '?'->inputsecret()
1710    let g:typed2 = inputsecret('password: ')
1711  endfunc
1712  call feedkeys("@qsomething\<CR>else\<CR>", 'xt')
1713  call assert_equal("something", g:typed1)
1714  call assert_equal("else", g:typed2)
1715  delfunc TestFunc
1716  unmap W
1717  unlet g:typed1
1718  unlet g:typed2
1719endfunc
1720
1721func Test_getchar()
1722  call feedkeys('a', '')
1723  call assert_equal(char2nr('a'), getchar())
1724  call assert_equal(0, getchar(0))
1725  call assert_equal(0, getchar(1))
1726
1727  call feedkeys('a', '')
1728  call assert_equal('a', getcharstr())
1729  call assert_equal('', getcharstr(0))
1730  call assert_equal('', getcharstr(1))
1731
1732  call setline(1, 'xxxx')
1733  call test_setmouse(1, 3)
1734  let v:mouse_win = 9
1735  let v:mouse_winid = 9
1736  let v:mouse_lnum = 9
1737  let v:mouse_col = 9
1738  call feedkeys("\<S-LeftMouse>", '')
1739  call assert_equal("\<S-LeftMouse>", getchar())
1740  call assert_equal(1, v:mouse_win)
1741  call assert_equal(win_getid(1), v:mouse_winid)
1742  call assert_equal(1, v:mouse_lnum)
1743  call assert_equal(3, v:mouse_col)
1744  enew!
1745endfunc
1746
1747func Test_libcall_libcallnr()
1748  CheckFeature libcall
1749
1750  if has('win32')
1751    let libc = 'msvcrt.dll'
1752  elseif has('mac')
1753    let libc = 'libSystem.B.dylib'
1754  elseif executable('ldd')
1755    let libc = matchstr(split(system('ldd ' . GetVimProg())), '/libc\.so\>')
1756  endif
1757  if get(l:, 'libc', '') ==# ''
1758    " On Unix, libc.so can be in various places.
1759    if has('linux')
1760      " There is not documented but regarding the 1st argument of glibc's
1761      " dlopen an empty string and nullptr are equivalent, so using an empty
1762      " string for the 1st argument of libcall allows to call functions.
1763      let libc = ''
1764    elseif has('sun')
1765      " Set the path to libc.so according to the architecture.
1766      let test_bits = system('file ' . GetVimProg())
1767      let test_arch = system('uname -p')
1768      if test_bits =~ '64-bit' && test_arch =~ 'sparc'
1769        let libc = '/usr/lib/sparcv9/libc.so'
1770      elseif test_bits =~ '64-bit' && test_arch =~ 'i386'
1771        let libc = '/usr/lib/amd64/libc.so'
1772      else
1773        let libc = '/usr/lib/libc.so'
1774      endif
1775    else
1776      " Unfortunately skip this test until a good way is found.
1777      return
1778    endif
1779  endif
1780
1781  if has('win32')
1782    call assert_equal($USERPROFILE, 'USERPROFILE'->libcall(libc, 'getenv'))
1783  else
1784    call assert_equal($HOME, 'HOME'->libcall(libc, 'getenv'))
1785  endif
1786
1787  " If function returns NULL, libcall() should return an empty string.
1788  call assert_equal('', libcall(libc, 'getenv', 'X_ENV_DOES_NOT_EXIT'))
1789
1790  " Test libcallnr() with string and integer argument.
1791  call assert_equal(4, 'abcd'->libcallnr(libc, 'strlen'))
1792  call assert_equal(char2nr('A'), char2nr('a')->libcallnr(libc, 'toupper'))
1793
1794  call assert_fails("call libcall(libc, 'Xdoesnotexist_', '')", ['', 'E364:'])
1795  call assert_fails("call libcallnr(libc, 'Xdoesnotexist_', '')", ['', 'E364:'])
1796
1797  call assert_fails("call libcall('Xdoesnotexist_', 'getenv', 'HOME')", ['', 'E364:'])
1798  call assert_fails("call libcallnr('Xdoesnotexist_', 'strlen', 'abcd')", ['', 'E364:'])
1799endfunc
1800
1801sandbox function Fsandbox()
1802  normal ix
1803endfunc
1804
1805func Test_func_sandbox()
1806  sandbox let F = {-> 'hello'}
1807  call assert_equal('hello', F())
1808
1809  sandbox let F = {-> "normal ix\<Esc>"->execute()}
1810  call assert_fails('call F()', 'E48:')
1811  unlet F
1812
1813  call assert_fails('call Fsandbox()', 'E48:')
1814  delfunc Fsandbox
1815
1816  " From a sandbox try to set a predefined variable (which cannot be modified
1817  " from a sandbox)
1818  call assert_fails('sandbox let v:lnum = 10', 'E794:')
1819endfunc
1820
1821func EditAnotherFile()
1822  let word = expand('<cword>')
1823  edit Xfuncrange2
1824endfunc
1825
1826func Test_func_range_with_edit()
1827  " Define a function that edits another buffer, then call it with a range that
1828  " is invalid in that buffer.
1829  call writefile(['just one line'], 'Xfuncrange2')
1830  new
1831  eval 10->range()->setline(1)
1832  write Xfuncrange1
1833  call assert_fails('5,8call EditAnotherFile()', 'E16:')
1834
1835  call delete('Xfuncrange1')
1836  call delete('Xfuncrange2')
1837  bwipe!
1838endfunc
1839
1840func Test_func_exists_on_reload()
1841  call writefile(['func ExistingFunction()', 'echo "yes"', 'endfunc'], 'Xfuncexists')
1842  call assert_equal(0, exists('*ExistingFunction'))
1843  source Xfuncexists
1844  call assert_equal(1, '*ExistingFunction'->exists())
1845  " Redefining a function when reloading a script is OK.
1846  source Xfuncexists
1847  call assert_equal(1, exists('*ExistingFunction'))
1848
1849  " But redefining in another script is not OK.
1850  call writefile(['func ExistingFunction()', 'echo "yes"', 'endfunc'], 'Xfuncexists2')
1851  call assert_fails('source Xfuncexists2', 'E122:')
1852
1853  " Defining a new function from the cmdline should fail if the function is
1854  " already defined
1855  call assert_fails('call feedkeys(":func ExistingFunction()\<CR>", "xt")', 'E122:')
1856
1857  delfunc ExistingFunction
1858  call assert_equal(0, exists('*ExistingFunction'))
1859  call writefile([
1860	\ 'func ExistingFunction()', 'echo "yes"', 'endfunc',
1861	\ 'func ExistingFunction()', 'echo "no"', 'endfunc',
1862	\ ], 'Xfuncexists')
1863  call assert_fails('source Xfuncexists', 'E122:')
1864  call assert_equal(1, exists('*ExistingFunction'))
1865
1866  call delete('Xfuncexists2')
1867  call delete('Xfuncexists')
1868  delfunc ExistingFunction
1869endfunc
1870
1871" Test confirm({msg} [, {choices} [, {default} [, {type}]]])
1872func Test_confirm()
1873  CheckUnix
1874  CheckNotGui
1875
1876  call feedkeys('o', 'L')
1877  let a = confirm('Press O to proceed')
1878  call assert_equal(1, a)
1879
1880  call feedkeys('y', 'L')
1881  let a = 'Are you sure?'->confirm("&Yes\n&No")
1882  call assert_equal(1, a)
1883
1884  call feedkeys('n', 'L')
1885  let a = confirm('Are you sure?', "&Yes\n&No")
1886  call assert_equal(2, a)
1887
1888  " confirm() should return 0 when pressing CTRL-C.
1889  call feedkeys("\<C-C>", 'L')
1890  let a = confirm('Are you sure?', "&Yes\n&No")
1891  call assert_equal(0, a)
1892
1893  " <Esc> requires another character to avoid it being seen as the start of an
1894  " escape sequence.  Zero should be harmless.
1895  eval "\<Esc>0"->feedkeys('L')
1896  let a = confirm('Are you sure?', "&Yes\n&No")
1897  call assert_equal(0, a)
1898
1899  " Default choice is returned when pressing <CR>.
1900  call feedkeys("\<CR>", 'L')
1901  let a = confirm('Are you sure?', "&Yes\n&No")
1902  call assert_equal(1, a)
1903
1904  call feedkeys("\<CR>", 'L')
1905  let a = confirm('Are you sure?', "&Yes\n&No", 2)
1906  call assert_equal(2, a)
1907
1908  call feedkeys("\<CR>", 'L')
1909  let a = confirm('Are you sure?', "&Yes\n&No", 0)
1910  call assert_equal(0, a)
1911
1912  " Test with the {type} 4th argument
1913  for type in ['Error', 'Question', 'Info', 'Warning', 'Generic']
1914    call feedkeys('y', 'L')
1915    let a = confirm('Are you sure?', "&Yes\n&No\n", 1, type)
1916    call assert_equal(1, a)
1917  endfor
1918
1919  call assert_fails('call confirm([])', 'E730:')
1920  call assert_fails('call confirm("Are you sure?", [])', 'E730:')
1921  call assert_fails('call confirm("Are you sure?", "&Yes\n&No\n", [])', 'E745:')
1922  call assert_fails('call confirm("Are you sure?", "&Yes\n&No\n", 0, [])', 'E730:')
1923endfunc
1924
1925func Test_platform_name()
1926  " The system matches at most only one name.
1927  let names = ['amiga', 'bsd', 'hpux', 'linux', 'mac', 'qnx', 'sun', 'vms', 'win32', 'win32unix']
1928  call assert_inrange(0, 1, len(filter(copy(names), 'has(v:val)')))
1929
1930  " Is Unix?
1931  call assert_equal(has('bsd'), has('bsd') && has('unix'))
1932  call assert_equal(has('hpux'), has('hpux') && has('unix'))
1933  call assert_equal(has('linux'), has('linux') && has('unix'))
1934  call assert_equal(has('mac'), has('mac') && has('unix'))
1935  call assert_equal(has('qnx'), has('qnx') && has('unix'))
1936  call assert_equal(has('sun'), has('sun') && has('unix'))
1937  call assert_equal(has('win32'), has('win32') && !has('unix'))
1938  call assert_equal(has('win32unix'), has('win32unix') && has('unix'))
1939
1940  if has('unix') && executable('uname')
1941    let uname = system('uname')
1942    " GNU userland on BSD kernels (e.g., GNU/kFreeBSD) don't have BSD defined
1943    call assert_equal(uname =~? '\%(GNU/k\w\+\)\@<!BSD\|DragonFly', has('bsd'))
1944    call assert_equal(uname =~? 'HP-UX', has('hpux'))
1945    call assert_equal(uname =~? 'Linux', has('linux'))
1946    call assert_equal(uname =~? 'Darwin', has('mac'))
1947    call assert_equal(uname =~? 'QNX', has('qnx'))
1948    call assert_equal(uname =~? 'SunOS', has('sun'))
1949    call assert_equal(uname =~? 'CYGWIN\|MSYS', has('win32unix'))
1950  endif
1951endfunc
1952
1953func Test_readdir()
1954  call mkdir('Xdir')
1955  call writefile([], 'Xdir/foo.txt')
1956  call writefile([], 'Xdir/bar.txt')
1957  call mkdir('Xdir/dir')
1958
1959  " All results
1960  let files = readdir('Xdir')
1961  call assert_equal(['bar.txt', 'dir', 'foo.txt'], sort(files))
1962
1963  " Only results containing "f"
1964  let files = 'Xdir'->readdir({ x -> stridx(x, 'f') != -1 })
1965  call assert_equal(['foo.txt'], sort(files))
1966
1967  " Only .txt files
1968  let files = readdir('Xdir', { x -> x =~ '.txt$' })
1969  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
1970
1971  " Only .txt files with string
1972  let files = readdir('Xdir', 'v:val =~ ".txt$"')
1973  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
1974
1975  " Limit to 1 result.
1976  let l = []
1977  let files = readdir('Xdir', {x -> len(add(l, x)) == 2 ? -1 : 1})
1978  call assert_equal(1, len(files))
1979
1980  " Nested readdir() must not crash
1981  let files = readdir('Xdir', 'readdir("Xdir", "1") != []')
1982  call sort(files)->assert_equal(['bar.txt', 'dir', 'foo.txt'])
1983
1984  eval 'Xdir'->delete('rf')
1985endfunc
1986
1987func Test_readdirex()
1988  call mkdir('Xdir')
1989  call writefile(['foo'], 'Xdir/foo.txt')
1990  call writefile(['barbar'], 'Xdir/bar.txt')
1991  call mkdir('Xdir/dir')
1992
1993  " All results
1994  let files = readdirex('Xdir')->map({-> v:val.name})
1995  call assert_equal(['bar.txt', 'dir', 'foo.txt'], sort(files))
1996  let sizes = readdirex('Xdir')->map({-> v:val.size})
1997  call assert_equal([0, 4, 7], sort(sizes))
1998
1999  " Only results containing "f"
2000  let files = 'Xdir'->readdirex({ e -> stridx(e.name, 'f') != -1 })
2001			  \ ->map({-> v:val.name})
2002  call assert_equal(['foo.txt'], sort(files))
2003
2004  " Only .txt files
2005  let files = readdirex('Xdir', { e -> e.name =~ '.txt$' })
2006			  \ ->map({-> v:val.name})
2007  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
2008
2009  " Only .txt files with string
2010  let files = readdirex('Xdir', 'v:val.name =~ ".txt$"')
2011			  \ ->map({-> v:val.name})
2012  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
2013
2014  " Limit to 1 result.
2015  let l = []
2016  let files = readdirex('Xdir', {e -> len(add(l, e.name)) == 2 ? -1 : 1})
2017			  \ ->map({-> v:val.name})
2018  call assert_equal(1, len(files))
2019
2020  " Nested readdirex() must not crash
2021  let files = readdirex('Xdir', 'readdirex("Xdir", "1") != []')
2022			  \ ->map({-> v:val.name})
2023  call sort(files)->assert_equal(['bar.txt', 'dir', 'foo.txt'])
2024
2025  " report broken link correctly
2026  if has("unix")
2027    call writefile([], 'Xdir/abc.txt')
2028    call system("ln -s Xdir/abc.txt Xdir/link")
2029    call delete('Xdir/abc.txt')
2030    let files = readdirex('Xdir', 'readdirex("Xdir", "1") != []')
2031			  \ ->map({-> v:val.name .. '_' .. v:val.type})
2032    call sort(files)->assert_equal(
2033        \ ['bar.txt_file', 'dir_dir', 'foo.txt_file', 'link_link'])
2034  endif
2035  eval 'Xdir'->delete('rf')
2036
2037  call assert_fails('call readdirex("doesnotexist")', 'E484:')
2038endfunc
2039
2040func Test_readdirex_sort()
2041  CheckUnix
2042  " Skip tests on Mac OS X and Cygwin (does not allow several files with different casing)
2043  if has("osxdarwin") || has("osx") || has("macunix") || has("win32unix")
2044    throw 'Skipped: Test_readdirex_sort on systems that do not allow this using the default filesystem'
2045  endif
2046  let _collate = v:collate
2047  call mkdir('Xdir2')
2048  call writefile(['1'], 'Xdir2/README.txt')
2049  call writefile(['2'], 'Xdir2/Readme.txt')
2050  call writefile(['3'], 'Xdir2/readme.txt')
2051
2052  " 1) default
2053  let files = readdirex('Xdir2')->map({-> v:val.name})
2054  let default = copy(files)
2055  call assert_equal(['README.txt', 'Readme.txt', 'readme.txt'], files, 'sort using default')
2056
2057  " 2) no sorting
2058  let files = readdirex('Xdir2', 1, #{sort: 'none'})->map({-> v:val.name})
2059  let unsorted = copy(files)
2060  call assert_equal(['README.txt', 'Readme.txt', 'readme.txt'], sort(files), 'unsorted')
2061  call assert_fails("call readdirex('Xdir2', 1, #{slort: 'none'})", 'E857: Dictionary key "sort" required')
2062
2063  " 3) sort by case (same as default)
2064  let files = readdirex('Xdir2', 1, #{sort: 'case'})->map({-> v:val.name})
2065  call assert_equal(default, files, 'sort by case')
2066
2067  " 4) sort by ignoring case
2068  let files = readdirex('Xdir2', 1, #{sort: 'icase'})->map({-> v:val.name})
2069  call assert_equal(unsorted->sort('i'), files, 'sort by icase')
2070
2071  " 5) Default Collation
2072  let collate = v:collate
2073  lang collate C
2074  let files = readdirex('Xdir2', 1, #{sort: 'collate'})->map({-> v:val.name})
2075  call assert_equal(['README.txt', 'Readme.txt', 'readme.txt'], files, 'sort by C collation')
2076
2077  " 6) Collation de_DE
2078  " Switch locale, this may not work on the CI system, if the locale isn't
2079  " available
2080  try
2081    lang collate de_DE
2082    let files = readdirex('Xdir2', 1, #{sort: 'collate'})->map({-> v:val.name})
2083    call assert_equal(['readme.txt', 'Readme.txt', 'README.txt'], files, 'sort by de_DE collation')
2084  catch
2085    throw 'Skipped: de_DE collation is not available'
2086
2087  finally
2088    exe 'lang collate' collate
2089    eval 'Xdir2'->delete('rf')
2090  endtry
2091endfunc
2092
2093func Test_readdir_sort()
2094  " some more cases for testing sorting for readdirex
2095  let dir = 'Xdir3'
2096  call mkdir(dir)
2097  call writefile(['1'], dir .. '/README.txt')
2098  call writefile(['2'], dir .. '/Readm.txt')
2099  call writefile(['3'], dir .. '/read.txt')
2100  call writefile(['4'], dir .. '/Z.txt')
2101  call writefile(['5'], dir .. '/a.txt')
2102  call writefile(['6'], dir .. '/b.txt')
2103
2104  " 1) default
2105  let files = readdir(dir)
2106  let default = copy(files)
2107  call assert_equal(default->sort(), files, 'sort using default')
2108
2109  " 2) sort by case (same as default)
2110  let files = readdir(dir, '1', #{sort: 'case'})
2111  call assert_equal(default, files, 'sort using default')
2112
2113  " 3) sort by ignoring case
2114  let files = readdir(dir, '1', #{sort: 'icase'})
2115  call assert_equal(default->sort('i'), files, 'sort by ignoring case')
2116
2117  " 4) collation
2118  let collate = v:collate
2119  lang collate C
2120  let files = readdir(dir, 1, #{sort: 'collate'})
2121  call assert_equal(default->sort(), files, 'sort by C collation')
2122  exe "lang collate" collate
2123
2124  " 5) Errors
2125  call assert_fails('call readdir(dir, 1, 1)', 'E715:')
2126  call assert_fails('call readdir(dir, 1, #{sorta: 1})')
2127  call assert_fails('call readdirex(dir, 1, #{sorta: 1})')
2128
2129  " 6) ignore other values in dict
2130  let files = readdir(dir, '1', #{sort: 'c'})
2131  call assert_equal(default, files, 'sort using default2')
2132
2133  " Cleanup
2134  exe "lang collate" collate
2135
2136  eval dir->delete('rf')
2137endfunc
2138
2139func Test_delete_rf()
2140  call mkdir('Xdir')
2141  call writefile([], 'Xdir/foo.txt')
2142  call writefile([], 'Xdir/bar.txt')
2143  call mkdir('Xdir/[a-1]')  " issue #696
2144  call writefile([], 'Xdir/[a-1]/foo.txt')
2145  call writefile([], 'Xdir/[a-1]/bar.txt')
2146  call assert_true(filereadable('Xdir/foo.txt'))
2147  call assert_true('Xdir/[a-1]/foo.txt'->filereadable())
2148
2149  call assert_equal(0, delete('Xdir', 'rf'))
2150  call assert_false(filereadable('Xdir/foo.txt'))
2151  call assert_false(filereadable('Xdir/[a-1]/foo.txt'))
2152endfunc
2153
2154func Test_call()
2155  call assert_equal(3, call('len', [123]))
2156  call assert_equal(3, 'len'->call([123]))
2157  call assert_fails("call call('len', 123)", 'E714:')
2158  call assert_equal(0, call('', []))
2159  call assert_equal(0, call('len', test_null_list()))
2160
2161  function Mylen() dict
2162     return len(self.data)
2163  endfunction
2164  let mydict = {'data': [0, 1, 2, 3], 'len': function("Mylen")}
2165  eval mydict.len->call([], mydict)->assert_equal(4)
2166  call assert_fails("call call('Mylen', [], 0)", 'E715:')
2167  call assert_fails('call foo', 'E107:')
2168
2169  " These once caused a crash.
2170  call call(test_null_function(), [])
2171  call call(test_null_partial(), [])
2172  call assert_fails('call test_null_function()()', 'E1192:')
2173  call assert_fails('call test_null_partial()()', 'E117:')
2174endfunc
2175
2176func Test_char2nr()
2177  call assert_equal(12354, char2nr('あ', 1))
2178  call assert_equal(120, 'x'->char2nr())
2179  set encoding=latin1
2180  call assert_equal(120, 'x'->char2nr())
2181  set encoding=utf-8
2182endfunc
2183
2184func Test_charclass()
2185  call assert_equal(0, charclass(' '))
2186  call assert_equal(1, charclass('.'))
2187  call assert_equal(2, charclass('x'))
2188  call assert_equal(3, charclass("\u203c"))
2189  " this used to crash vim
2190  call assert_equal(0, "xxx"[-1]->charclass())
2191endfunc
2192
2193func Test_eventhandler()
2194  call assert_equal(0, eventhandler())
2195endfunc
2196
2197func Test_bufadd_bufload()
2198  call assert_equal(0, bufexists('someName'))
2199  let buf = bufadd('someName')
2200  call assert_notequal(0, buf)
2201  call assert_equal(1, bufexists('someName'))
2202  call assert_equal(0, getbufvar(buf, '&buflisted'))
2203  call assert_equal(0, bufloaded(buf))
2204  call bufload(buf)
2205  call assert_equal(1, bufloaded(buf))
2206  call assert_equal([''], getbufline(buf, 1, '$'))
2207
2208  let curbuf = bufnr('')
2209  eval ['some', 'text']->writefile('XotherName')
2210  let buf = 'XotherName'->bufadd()
2211  call assert_notequal(0, buf)
2212  eval 'XotherName'->bufexists()->assert_equal(1)
2213  call assert_equal(0, getbufvar(buf, '&buflisted'))
2214  call assert_equal(0, bufloaded(buf))
2215  eval buf->bufload()
2216  call assert_equal(1, bufloaded(buf))
2217  call assert_equal(['some', 'text'], getbufline(buf, 1, '$'))
2218  call assert_equal(curbuf, bufnr(''))
2219
2220  let buf1 = bufadd('')
2221  let buf2 = bufadd('')
2222  call assert_notequal(0, buf1)
2223  call assert_notequal(0, buf2)
2224  call assert_notequal(buf1, buf2)
2225  call assert_equal(1, bufexists(buf1))
2226  call assert_equal(1, bufexists(buf2))
2227  call assert_equal(0, bufloaded(buf1))
2228  exe 'bwipe ' .. buf1
2229  call assert_equal(0, bufexists(buf1))
2230  call assert_equal(1, bufexists(buf2))
2231  exe 'bwipe ' .. buf2
2232  call assert_equal(0, bufexists(buf2))
2233
2234  bwipe someName
2235  bwipe XotherName
2236  call assert_equal(0, bufexists('someName'))
2237  call delete('XotherName')
2238endfunc
2239
2240func Test_state()
2241  CheckRunVimInTerminal
2242
2243  let getstate = ":echo 'state: ' .. g:state .. '; mode: ' .. g:mode\<CR>"
2244
2245  let lines =<< trim END
2246	call setline(1, ['one', 'two', 'three'])
2247	map ;; gg
2248	set complete=.
2249	func RunTimer()
2250	  call timer_start(10, {id -> execute('let g:state = state()') .. execute('let g:mode = mode()')})
2251	endfunc
2252	au Filetype foobar let g:state = state()|let g:mode = mode()
2253  END
2254  call writefile(lines, 'XState')
2255  let buf = RunVimInTerminal('-S XState', #{rows: 6})
2256
2257  " Using a ":" command Vim is busy, thus "S" is returned
2258  call term_sendkeys(buf, ":echo 'state: ' .. state() .. '; mode: ' .. mode()\<CR>")
2259  call WaitForAssert({-> assert_match('state: S; mode: n', term_getline(buf, 6))}, 1000)
2260  call term_sendkeys(buf, ":\<CR>")
2261
2262  " Using a timer callback
2263  call term_sendkeys(buf, ":call RunTimer()\<CR>")
2264  call TermWait(buf, 25)
2265  call term_sendkeys(buf, getstate)
2266  call WaitForAssert({-> assert_match('state: c; mode: n', term_getline(buf, 6))}, 1000)
2267
2268  " Halfway a mapping
2269  call term_sendkeys(buf, ":call RunTimer()\<CR>;")
2270  call TermWait(buf, 25)
2271  call term_sendkeys(buf, ";")
2272  call term_sendkeys(buf, getstate)
2273  call WaitForAssert({-> assert_match('state: mSc; mode: n', term_getline(buf, 6))}, 1000)
2274
2275  " Insert mode completion (bit slower on Mac)
2276  call term_sendkeys(buf, ":call RunTimer()\<CR>Got\<C-N>")
2277  call TermWait(buf, 25)
2278  call term_sendkeys(buf, "\<Esc>")
2279  call term_sendkeys(buf, getstate)
2280  call WaitForAssert({-> assert_match('state: aSc; mode: i', term_getline(buf, 6))}, 1000)
2281
2282  " Autocommand executing
2283  call term_sendkeys(buf, ":set filetype=foobar\<CR>")
2284  call TermWait(buf, 25)
2285  call term_sendkeys(buf, getstate)
2286  call WaitForAssert({-> assert_match('state: xS; mode: n', term_getline(buf, 6))}, 1000)
2287
2288  " Todo: "w" - waiting for ch_evalexpr()
2289
2290  " messages scrolled
2291  call term_sendkeys(buf, ":call RunTimer()\<CR>:echo \"one\\ntwo\\nthree\"\<CR>")
2292  call TermWait(buf, 25)
2293  call term_sendkeys(buf, "\<CR>")
2294  call term_sendkeys(buf, getstate)
2295  call WaitForAssert({-> assert_match('state: Scs; mode: r', term_getline(buf, 6))}, 1000)
2296
2297  call StopVimInTerminal(buf)
2298  call delete('XState')
2299endfunc
2300
2301func Test_range()
2302  " destructuring
2303  let [x, y] = range(2)
2304  call assert_equal([0, 1], [x, y])
2305
2306  " index
2307  call assert_equal(4, range(1, 10)[3])
2308
2309  " add()
2310  call assert_equal([0, 1, 2, 3], add(range(3), 3))
2311  call assert_equal([0, 1, 2, [0, 1, 2]], add([0, 1, 2], range(3)))
2312  call assert_equal([0, 1, 2, [0, 1, 2]], add(range(3), range(3)))
2313
2314  " append()
2315  new
2316  call append('.', range(5))
2317  call assert_equal(['', '0', '1', '2', '3', '4'], getline(1, '$'))
2318  bwipe!
2319
2320  " appendbufline()
2321  new
2322  call appendbufline(bufnr(''), '.', range(5))
2323  call assert_equal(['0', '1', '2', '3', '4', ''], getline(1, '$'))
2324  bwipe!
2325
2326  " call()
2327  func TwoArgs(a, b)
2328    return [a:a, a:b]
2329  endfunc
2330  call assert_equal([0, 1], call('TwoArgs', range(2)))
2331
2332  " col()
2333  new
2334  call setline(1, ['foo', 'bar'])
2335  call assert_equal(2, col(range(1, 2)))
2336  bwipe!
2337
2338  " complete()
2339  execute "normal! a\<C-r>=[complete(col('.'), range(10)), ''][1]\<CR>"
2340  " complete_info()
2341  execute "normal! a\<C-r>=[complete(col('.'), range(10)), ''][1]\<CR>\<C-r>=[complete_info(range(5)), ''][1]\<CR>"
2342
2343  " copy()
2344  call assert_equal([1, 2, 3], copy(range(1, 3)))
2345
2346  " count()
2347  call assert_equal(0, count(range(0), 3))
2348  call assert_equal(0, count(range(2), 3))
2349  call assert_equal(1, count(range(5), 3))
2350
2351  " cursor()
2352  new
2353  call setline(1, ['aaa', 'bbb', 'ccc'])
2354  call cursor(range(1, 2))
2355  call assert_equal([2, 1], [col('.'), line('.')])
2356  bwipe!
2357
2358  " deepcopy()
2359  call assert_equal([1, 2, 3], deepcopy(range(1, 3)))
2360
2361  " empty()
2362  call assert_true(empty(range(0)))
2363  call assert_false(empty(range(2)))
2364
2365  " execute()
2366  new
2367  call setline(1, ['aaa', 'bbb', 'ccc'])
2368  call execute(range(3))
2369  call assert_equal(2, line('.'))
2370  bwipe!
2371
2372  " extend()
2373  call assert_equal([1, 2, 3, 4], extend([1], range(2, 4)))
2374  call assert_equal([1, 2, 3, 4], extend(range(1, 1), range(2, 4)))
2375  call assert_equal([1, 2, 3, 4], extend(range(1, 1), [2, 3, 4]))
2376
2377  " filter()
2378  call assert_equal([1, 3], filter(range(5), 'v:val % 2'))
2379  call assert_equal([1, 5, 7, 11, 13], filter(filter(range(15), 'v:val % 2'), 'v:val % 3'))
2380
2381  " funcref()
2382  call assert_equal([0, 1], funcref('TwoArgs', range(2))())
2383
2384  " function()
2385  call assert_equal([0, 1], function('TwoArgs', range(2))())
2386
2387  " garbagecollect()
2388  let thelist = [1, range(2), 3]
2389  let otherlist = range(3)
2390  call test_garbagecollect_now()
2391
2392  " get()
2393  call assert_equal(4, get(range(1, 10), 3))
2394  call assert_equal(-1, get(range(1, 10), 42, -1))
2395
2396  " index()
2397  call assert_equal(1, index(range(1, 5), 2))
2398  call assert_fails("echo index([1, 2], 1, [])", 'E745:')
2399
2400  " inputlist()
2401  call feedkeys(":let result = inputlist(range(10))\<CR>1\<CR>", 'x')
2402  call assert_equal(1, result)
2403  call feedkeys(":let result = inputlist(range(3, 10))\<CR>1\<CR>", 'x')
2404  call assert_equal(1, result)
2405
2406  " insert()
2407  call assert_equal([42, 1, 2, 3, 4, 5], insert(range(1, 5), 42))
2408  call assert_equal([42, 1, 2, 3, 4, 5], insert(range(1, 5), 42, 0))
2409  call assert_equal([1, 42, 2, 3, 4, 5], insert(range(1, 5), 42, 1))
2410  call assert_equal([1, 2, 3, 4, 42, 5], insert(range(1, 5), 42, 4))
2411  call assert_equal([1, 2, 3, 4, 42, 5], insert(range(1, 5), 42, -1))
2412  call assert_equal([1, 2, 3, 4, 5, 42], insert(range(1, 5), 42, 5))
2413
2414  " join()
2415  call assert_equal('0 1 2 3 4', join(range(5)))
2416
2417  " json_encode()
2418  call assert_equal('[0,1,2,3]', json_encode(range(4)))
2419
2420  " len()
2421  call assert_equal(0, len(range(0)))
2422  call assert_equal(2, len(range(2)))
2423  call assert_equal(5, len(range(0, 12, 3)))
2424  call assert_equal(4, len(range(3, 0, -1)))
2425
2426  " list2str()
2427  call assert_equal('ABC', list2str(range(65, 67)))
2428  call assert_fails('let s = list2str(5)', 'E474:')
2429
2430  " lock()
2431  let thelist = range(5)
2432  lockvar thelist
2433
2434  " map()
2435  call assert_equal([0, 2, 4, 6, 8], map(range(5), 'v:val * 2'))
2436  call assert_equal([3, 5, 7, 9, 11], map(map(range(5), 'v:val * 2'), 'v:val + 3'))
2437  call assert_equal([2, 6], map(filter(range(5), 'v:val % 2'), 'v:val * 2'))
2438  call assert_equal([2, 4, 8], filter(map(range(5), 'v:val * 2'), 'v:val % 3'))
2439
2440  " match()
2441  call assert_equal(3, match(range(5), 3))
2442
2443  " matchaddpos()
2444  highlight MyGreenGroup ctermbg=green guibg=green
2445  call matchaddpos('MyGreenGroup', range(line('.'), line('.')))
2446
2447  " matchend()
2448  call assert_equal(4, matchend(range(5), '4'))
2449  call assert_equal(3, matchend(range(1, 5), '4'))
2450  call assert_equal(-1, matchend(range(1, 5), '42'))
2451
2452  " matchstrpos()
2453  call assert_equal(['4', 4, 0, 1], matchstrpos(range(5), '4'))
2454  call assert_equal(['4', 3, 0, 1], matchstrpos(range(1, 5), '4'))
2455  call assert_equal(['', -1, -1, -1], matchstrpos(range(1, 5), '42'))
2456
2457  " max() reverse()
2458  call assert_equal(0, max(range(0)))
2459  call assert_equal(0, max(range(10, 9)))
2460  call assert_equal(9, max(range(10)))
2461  call assert_equal(18, max(range(0, 20, 3)))
2462  call assert_equal(20, max(range(20, 0, -3)))
2463  call assert_equal(99999, max(range(100000)))
2464  call assert_equal(99999, max(range(99999, 0, -1)))
2465  call assert_equal(99999, max(reverse(range(100000))))
2466  call assert_equal(99999, max(reverse(range(99999, 0, -1))))
2467
2468  " min() reverse()
2469  call assert_equal(0, min(range(0)))
2470  call assert_equal(0, min(range(10, 9)))
2471  call assert_equal(5, min(range(5, 10)))
2472  call assert_equal(5, min(range(5, 10, 3)))
2473  call assert_equal(2, min(range(20, 0, -3)))
2474  call assert_equal(0, min(range(100000)))
2475  call assert_equal(0, min(range(99999, 0, -1)))
2476  call assert_equal(0, min(reverse(range(100000))))
2477  call assert_equal(0, min(reverse(range(99999, 0, -1))))
2478
2479  " remove()
2480  call assert_equal(1, remove(range(1, 10), 0))
2481  call assert_equal(2, remove(range(1, 10), 1))
2482  call assert_equal(9, remove(range(1, 10), 8))
2483  call assert_equal(10, remove(range(1, 10), 9))
2484  call assert_equal(10, remove(range(1, 10), -1))
2485  call assert_equal([3, 4, 5], remove(range(1, 10), 2, 4))
2486
2487  " repeat()
2488  call assert_equal([0, 1, 2, 0, 1, 2], repeat(range(3), 2))
2489  call assert_equal([0, 1, 2], repeat(range(3), 1))
2490  call assert_equal([], repeat(range(3), 0))
2491  call assert_equal([], repeat(range(5, 4), 2))
2492  call assert_equal([], repeat(range(5, 4), 0))
2493
2494  " reverse()
2495  call assert_equal([2, 1, 0], reverse(range(3)))
2496  call assert_equal([0, 1, 2, 3], reverse(range(3, 0, -1)))
2497  call assert_equal([9, 8, 7, 6, 5, 4, 3, 2, 1, 0], reverse(range(10)))
2498  call assert_equal([20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10], reverse(range(10, 20)))
2499  call assert_equal([16, 13, 10], reverse(range(10, 18, 3)))
2500  call assert_equal([19, 16, 13, 10], reverse(range(10, 19, 3)))
2501  call assert_equal([19, 16, 13, 10], reverse(range(10, 20, 3)))
2502  call assert_equal([11, 14, 17, 20], reverse(range(20, 10, -3)))
2503  call assert_equal([], reverse(range(0)))
2504
2505  " TODO: setpos()
2506  " new
2507  " call setline(1, repeat([''], bufnr('')))
2508  " call setline(bufnr('') + 1, repeat('x', bufnr('') * 2 + 6))
2509  " call setpos('x', range(bufnr(''), bufnr('') + 3))
2510  " bwipe!
2511
2512  " setreg()
2513  call setreg('a', range(3))
2514  call assert_equal("0\n1\n2\n", getreg('a'))
2515
2516  " settagstack()
2517  call settagstack(1, #{items : range(4)})
2518
2519  " sign_define()
2520  call assert_fails("call sign_define(range(5))", "E715:")
2521  call assert_fails("call sign_placelist(range(5))", "E715:")
2522
2523  " sign_undefine()
2524  call assert_fails("call sign_undefine(range(5))", "E908:")
2525
2526  " sign_unplacelist()
2527  call assert_fails("call sign_unplacelist(range(5))", "E715:")
2528
2529  " sort()
2530  call assert_equal([0, 1, 2, 3, 4, 5], sort(range(5, 0, -1)))
2531
2532  " string()
2533  call assert_equal('[0, 1, 2, 3, 4]', string(range(5)))
2534
2535  " taglist() with 'tagfunc'
2536  func TagFunc(pattern, flags, info)
2537    return range(10)
2538  endfunc
2539  set tagfunc=TagFunc
2540  call assert_fails("call taglist('asdf')", 'E987:')
2541  set tagfunc=
2542
2543  " term_start()
2544  if has('terminal') && has('termguicolors')
2545    call assert_fails('call term_start(range(3, 4))', 'E474:')
2546    let g:terminal_ansi_colors = range(16)
2547    if has('win32')
2548      let cmd = "cmd /c dir"
2549    else
2550      let cmd = "ls"
2551    endif
2552    call assert_fails('call term_start("' .. cmd .. '", #{term_finish: "close"})', 'E475:')
2553    unlet g:terminal_ansi_colors
2554  endif
2555
2556  " type()
2557  call assert_equal(v:t_list, type(range(5)))
2558
2559  " uniq()
2560  call assert_equal([0, 1, 2, 3, 4], uniq(range(5)))
2561
2562  " errors
2563  call assert_fails('let x=range(2, 8, 0)', 'E726:')
2564  call assert_fails('let x=range(3, 1)', 'E727:')
2565  call assert_fails('let x=range(1, 3, -2)', 'E727:')
2566  call assert_fails('let x=range([])', 'E745:')
2567  call assert_fails('let x=range(1, [])', 'E745:')
2568  call assert_fails('let x=range(1, 4, [])', 'E745:')
2569endfunc
2570
2571func Test_echoraw()
2572  CheckScreendump
2573
2574  " Normally used for escape codes, but let's test with a CR.
2575  let lines =<< trim END
2576    call echoraw("hello\<CR>x")
2577  END
2578  call writefile(lines, 'XTest_echoraw')
2579  let buf = RunVimInTerminal('-S XTest_echoraw', {'rows': 5, 'cols': 40})
2580  call VerifyScreenDump(buf, 'Test_functions_echoraw', {})
2581
2582  " clean up
2583  call StopVimInTerminal(buf)
2584  call delete('XTest_echoraw')
2585endfunc
2586
2587" Test for echo highlighting
2588func Test_echohl()
2589  echohl Search
2590  echo 'Vim'
2591  call assert_equal('Vim', Screenline(&lines))
2592  " TODO: How to check the highlight group used by echohl?
2593  " ScreenAttrs() returns all zeros.
2594  echohl None
2595endfunc
2596
2597" Test for the eval() function
2598func Test_eval()
2599  call assert_fails("call eval('5 a')", 'E488:')
2600endfunc
2601
2602" Test for the nr2char() function
2603func Test_nr2char()
2604  set encoding=latin1
2605  call assert_equal('@', nr2char(64))
2606  set encoding=utf8
2607  call assert_equal('a', nr2char(97, 1))
2608  call assert_equal('a', nr2char(97, 0))
2609
2610  call assert_equal("\x80\xfc\b\xf4\x80\xfeX\x80\xfeX\x80\xfeX", eval('"\<M-' .. nr2char(0x100000) .. '>"'))
2611  call assert_equal("\x80\xfc\b\xfd\x80\xfeX\x80\xfeX\x80\xfeX\x80\xfeX\x80\xfeX", eval('"\<M-' .. nr2char(0x40000000) .. '>"'))
2612endfunc
2613
2614" Test for screenattr(), screenchar() and screenchars() functions
2615func Test_screen_functions()
2616  call assert_equal(-1, screenattr(-1, -1))
2617  call assert_equal(-1, screenchar(-1, -1))
2618  call assert_equal([], screenchars(-1, -1))
2619endfunc
2620
2621" Test for getcurpos() and setpos()
2622func Test_getcurpos_setpos()
2623  new
2624  call setline(1, ['012345678', '012345678'])
2625  normal gg6l
2626  let sp = getcurpos()
2627  normal 0
2628  call setpos('.', sp)
2629  normal jyl
2630  call assert_equal('6', @")
2631  call assert_equal(-1, setpos('.', test_null_list()))
2632  call assert_equal(-1, setpos('.', {}))
2633
2634  let winid = win_getid()
2635  normal G$
2636  let pos = getcurpos()
2637  wincmd w
2638  call assert_equal(pos, getcurpos(winid))
2639
2640  wincmd w
2641  close!
2642
2643  call assert_equal(getcurpos(), getcurpos(0))
2644  call assert_equal([0, 0, 0, 0, 0], getcurpos(-1))
2645  call assert_equal([0, 0, 0, 0, 0], getcurpos(1999))
2646endfunc
2647
2648" Test for glob()
2649func Test_glob()
2650  call assert_equal('', glob(test_null_string()))
2651  call assert_equal('', globpath(test_null_string(), test_null_string()))
2652  call assert_fails("let x = globpath(&rtp, 'syntax/c.vim', [])", 'E745:')
2653
2654  call writefile([], 'Xglob1')
2655  call writefile([], 'XGLOB2')
2656  set wildignorecase
2657  " Sort output of glob() otherwise we end up with different
2658  " ordering depending on whether file system is case-sensitive.
2659  call assert_equal(['XGLOB2', 'Xglob1'], sort(glob('Xglob[12]', 0, 1)))
2660  set wildignorecase&
2661
2662  call delete('Xglob1')
2663  call delete('XGLOB2')
2664
2665  call assert_fails("call glob('*', 0, {})", 'E728:')
2666endfunc
2667
2668" Test for browse()
2669func Test_browse()
2670  CheckFeature browse
2671  call assert_fails('call browse([], "open", "x", "a.c")', 'E745:')
2672endfunc
2673
2674" Test for browsedir()
2675func Test_browsedir()
2676  CheckFeature browse
2677  call assert_fails('call browsedir("open", [])', 'E730:')
2678endfunc
2679
2680func HasDefault(msg = 'msg')
2681  return a:msg
2682endfunc
2683
2684func Test_default_arg_value()
2685  call assert_equal('msg', HasDefault())
2686endfunc
2687
2688" Test for gettext()
2689func Test_gettext()
2690  call assert_fails('call gettext(1)', 'E475:')
2691endfunc
2692
2693func Test_builtin_check()
2694  call assert_fails('let g:["trim"] = {x -> " " .. x}', 'E704:')
2695  call assert_fails('let g:.trim = {x -> " " .. x}', 'E704:')
2696  call assert_fails('let l:["trim"] = {x -> " " .. x}', 'E704:')
2697  call assert_fails('let l:.trim = {x -> " " .. x}', 'E704:')
2698  let lines =<< trim END
2699    vim9script
2700    var s:trim = (x) => " " .. x
2701  END
2702  call CheckScriptFailure(lines, 'E704:')
2703
2704  call assert_fails('call extend(g:, #{foo: { -> "foo" }})', 'E704:')
2705  let g:bar = 123
2706  call extend(g:, #{bar: { -> "foo" }}, "keep")
2707  call assert_fails('call extend(g:, #{bar: { -> "foo" }}, "force")', 'E704:')
2708endfunc
2709
2710
2711" vim: shiftwidth=2 sts=2 expandtab
2712