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