1" Tests for various functions.
2source shared.vim
3source check.vim
4source term_util.vim
5source screendump.vim
6
7" Must be done first, since the alternate buffer must be unset.
8func Test_00_bufexists()
9  call assert_equal(0, bufexists('does_not_exist'))
10  call assert_equal(1, bufexists(bufnr('%')))
11  call assert_equal(0, bufexists(0))
12  new Xfoo
13  let bn = bufnr('%')
14  call assert_equal(1, bufexists(bn))
15  call assert_equal(1, bufexists('Xfoo'))
16  call assert_equal(1, bufexists(getcwd() . '/Xfoo'))
17  call assert_equal(1, bufexists(0))
18  bw
19  call assert_equal(0, bufexists(bn))
20  call assert_equal(0, bufexists('Xfoo'))
21endfunc
22
23func Test_empty()
24  call assert_equal(1, empty(''))
25  call assert_equal(0, empty('a'))
26
27  call assert_equal(1, empty(0))
28  call assert_equal(1, empty(-0))
29  call assert_equal(0, empty(1))
30  call assert_equal(0, empty(-1))
31
32  if has('float')
33    call assert_equal(1, empty(0.0))
34    call assert_equal(1, empty(-0.0))
35    call assert_equal(0, empty(1.0))
36    call assert_equal(0, empty(-1.0))
37    call assert_equal(0, empty(1.0/0.0))
38    call assert_equal(0, empty(0.0/0.0))
39  endif
40
41  call assert_equal(1, empty([]))
42  call assert_equal(0, empty(['a']))
43
44  call assert_equal(1, empty({}))
45  call assert_equal(0, empty({'a':1}))
46
47  call assert_equal(1, empty(v:null))
48  call assert_equal(1, empty(v:none))
49  call assert_equal(1, empty(v:false))
50  call assert_equal(0, empty(v:true))
51
52  if has('channel')
53    call assert_equal(1, empty(test_null_channel()))
54  endif
55  if has('job')
56    call assert_equal(1, empty(test_null_job()))
57  endif
58
59  call assert_equal(0, empty(function('Test_empty')))
60  call assert_equal(0, empty(function('Test_empty', [0])))
61
62  call assert_fails("call empty(test_void())", 'E685:')
63  call assert_fails("call empty(test_unknown())", 'E685:')
64endfunc
65
66func Test_test_void()
67  call assert_fails('echo 1 == test_void()', 'E685:')
68  if has('float')
69    call assert_fails('echo 1.0 == test_void()', 'E685:')
70  endif
71  call assert_fails('let x = json_encode(test_void())', 'E685:')
72  call assert_fails('let x = copy(test_void())', 'E685:')
73  call assert_fails('let x = copy([test_void()])', 'E685:')
74endfunc
75
76func Test_len()
77  call assert_equal(1, len(0))
78  call assert_equal(2, len(12))
79
80  call assert_equal(0, len(''))
81  call assert_equal(2, len('ab'))
82
83  call assert_equal(0, len([]))
84  call assert_equal(2, len([2, 1]))
85
86  call assert_equal(0, len({}))
87  call assert_equal(2, len({'a': 1, 'b': 2}))
88
89  call assert_fails('call len(v:none)', 'E701:')
90  call assert_fails('call len({-> 0})', 'E701:')
91endfunc
92
93func Test_max()
94  call assert_equal(0, max([]))
95  call assert_equal(2, max([2]))
96  call assert_equal(2, max([1, 2]))
97  call assert_equal(2, max([1, 2, v:null]))
98
99  call assert_equal(0, max({}))
100  call assert_equal(2, max({'a':1, 'b':2}))
101
102  call assert_fails('call max(1)', 'E712:')
103  call assert_fails('call max(v:none)', 'E712:')
104endfunc
105
106func Test_min()
107  call assert_equal(0, min([]))
108  call assert_equal(2, min([2]))
109  call assert_equal(1, min([1, 2]))
110  call assert_equal(0, min([1, 2, v:null]))
111
112  call assert_equal(0, min({}))
113  call assert_equal(1, min({'a':1, 'b':2}))
114
115  call assert_fails('call min(1)', 'E712:')
116  call assert_fails('call min(v:none)', 'E712:')
117endfunc
118
119func Test_strwidth()
120  for aw in ['single', 'double']
121    exe 'set ambiwidth=' . aw
122    call assert_equal(0, strwidth(''))
123    call assert_equal(1, strwidth("\t"))
124    call assert_equal(3, strwidth('Vim'))
125    call assert_equal(4, strwidth(1234))
126    call assert_equal(5, strwidth(-1234))
127
128    call assert_equal(2, strwidth('��'))
129    call assert_equal(17, strwidth('Eĥoŝanĝo ĉiuĵaŭde'))
130    call assert_equal((aw == 'single') ? 6 : 7, strwidth('Straße'))
131
132    call assert_fails('call strwidth({->0})', 'E729:')
133    call assert_fails('call strwidth([])', 'E730:')
134    call assert_fails('call strwidth({})', 'E731:')
135    if has('float')
136      call assert_fails('call strwidth(1.2)', 'E806:')
137    endif
138  endfor
139
140  set ambiwidth&
141endfunc
142
143func Test_str2nr()
144  call assert_equal(0, str2nr(''))
145  call assert_equal(1, str2nr('1'))
146  call assert_equal(1, str2nr(' 1 '))
147
148  call assert_equal(1, str2nr('+1'))
149  call assert_equal(1, str2nr('+ 1'))
150  call assert_equal(1, str2nr(' + 1 '))
151
152  call assert_equal(-1, str2nr('-1'))
153  call assert_equal(-1, str2nr('- 1'))
154  call assert_equal(-1, str2nr(' - 1 '))
155
156  call assert_equal(123456789, str2nr('123456789'))
157  call assert_equal(-123456789, str2nr('-123456789'))
158
159  call assert_equal(5, str2nr('101', 2))
160  call assert_equal(5, '0b101'->str2nr(2))
161  call assert_equal(5, str2nr('0B101', 2))
162  call assert_equal(-5, str2nr('-101', 2))
163  call assert_equal(-5, str2nr('-0b101', 2))
164  call assert_equal(-5, str2nr('-0B101', 2))
165
166  call assert_equal(65, str2nr('101', 8))
167  call assert_equal(65, str2nr('0101', 8))
168  call assert_equal(-65, str2nr('-101', 8))
169  call assert_equal(-65, str2nr('-0101', 8))
170
171  call assert_equal(11259375, str2nr('abcdef', 16))
172  call assert_equal(11259375, str2nr('ABCDEF', 16))
173  call assert_equal(-11259375, str2nr('-ABCDEF', 16))
174  call assert_equal(11259375, str2nr('0xabcdef', 16))
175  call assert_equal(11259375, str2nr('0Xabcdef', 16))
176  call assert_equal(11259375, str2nr('0XABCDEF', 16))
177  call assert_equal(-11259375, str2nr('-0xABCDEF', 16))
178
179  call assert_equal(1, str2nr("1'000'000", 10, 0))
180  call assert_equal(256, str2nr("1'0000'0000", 2, 1))
181  call assert_equal(262144, str2nr("1'000'000", 8, 1))
182  call assert_equal(1000000, str2nr("1'000'000", 10, 1))
183  call assert_equal(1000, str2nr("1'000''000", 10, 1))
184  call assert_equal(65536, str2nr("1'00'00", 16, 1))
185
186  call assert_equal(0, str2nr('0x10'))
187  call assert_equal(0, str2nr('0b10'))
188  call assert_equal(1, str2nr('12', 2))
189  call assert_equal(1, str2nr('18', 8))
190  call assert_equal(1, str2nr('1g', 16))
191
192  call assert_equal(0, str2nr(v:null))
193  call assert_equal(0, str2nr(v:none))
194
195  call assert_fails('call str2nr([])', 'E730:')
196  call assert_fails('call str2nr({->2})', 'E729:')
197  if has('float')
198    call assert_fails('call str2nr(1.2)', 'E806:')
199  endif
200  call assert_fails('call str2nr(10, [])', 'E474:')
201endfunc
202
203func Test_strftime()
204  CheckFunction strftime
205
206  " Format of strftime() depends on system. We assume
207  " that basic formats tested here are available and
208  " identical on all systems which support strftime().
209  "
210  " The 2nd parameter of strftime() is a local time, so the output day
211  " of strftime() can be 17 or 18, depending on timezone.
212  call assert_match('^2017-01-1[78]$', strftime('%Y-%m-%d', 1484695512))
213  "
214  call assert_match('^\d\d\d\d-\(0\d\|1[012]\)-\([012]\d\|3[01]\) \([01]\d\|2[0-3]\):[0-5]\d:\([0-5]\d\|60\)$', '%Y-%m-%d %H:%M:%S'->strftime())
215
216  call assert_fails('call strftime([])', 'E730:')
217  call assert_fails('call strftime("%Y", [])', 'E745:')
218
219  " Check that the time changes after we change the timezone
220  " Save previous timezone value, if any
221  if exists('$TZ')
222    let tz = $TZ
223  endif
224
225  " Force EST and then UTC, save the current hour (24-hour clock) for each
226  let $TZ = 'EST' | let est = strftime('%H')
227  let $TZ = 'UTC' | let utc = strftime('%H')
228
229  " Those hours should be two bytes long, and should not be the same; if they
230  " are, a tzset(3) call may have failed somewhere
231  call assert_equal(strlen(est), 2)
232  call assert_equal(strlen(utc), 2)
233  " TODO: this fails on MS-Windows
234  if has('unix')
235    call assert_notequal(est, utc)
236  endif
237
238  " If we cached a timezone value, put it back, otherwise clear it
239  if exists('tz')
240    let $TZ = tz
241  else
242    unlet $TZ
243  endif
244endfunc
245
246func Test_strptime()
247  CheckFunction strptime
248
249  if exists('$TZ')
250    let tz = $TZ
251  endif
252  let $TZ = 'UTC'
253
254  call assert_equal(1484653763, strptime('%Y-%m-%d %T', '2017-01-17 11:49:23'))
255
256  call assert_fails('call strptime()', 'E119:')
257  call assert_fails('call strptime("xxx")', 'E119:')
258  call assert_equal(0, strptime("%Y", ''))
259  call assert_equal(0, strptime("%Y", "xxx"))
260
261  if exists('tz')
262    let $TZ = tz
263  else
264    unlet $TZ
265  endif
266endfunc
267
268func Test_resolve_unix()
269  if !has('unix')
270    return
271  endif
272
273  " Xlink1 -> Xlink2
274  " Xlink2 -> Xlink3
275  silent !ln -s -f Xlink2 Xlink1
276  silent !ln -s -f Xlink3 Xlink2
277  call assert_equal('Xlink3', resolve('Xlink1'))
278  call assert_equal('./Xlink3', resolve('./Xlink1'))
279  call assert_equal('Xlink3/', resolve('Xlink2/'))
280  " FIXME: these tests result in things like "Xlink2/" instead of "Xlink3/"?!
281  "call assert_equal('Xlink3/', resolve('Xlink1/'))
282  "call assert_equal('./Xlink3/', resolve('./Xlink1/'))
283  "call assert_equal(getcwd() . '/Xlink3/', resolve(getcwd() . '/Xlink1/'))
284  call assert_equal(getcwd() . '/Xlink3', resolve(getcwd() . '/Xlink1'))
285
286  " Test resolve() with a symlink cycle.
287  " Xlink1 -> Xlink2
288  " Xlink2 -> Xlink3
289  " Xlink3 -> Xlink1
290  silent !ln -s -f Xlink1 Xlink3
291  call assert_fails('call resolve("Xlink1")',   'E655:')
292  call assert_fails('call resolve("./Xlink1")', 'E655:')
293  call assert_fails('call resolve("Xlink2")',   'E655:')
294  call assert_fails('call resolve("Xlink3")',   'E655:')
295  call delete('Xlink1')
296  call delete('Xlink2')
297  call delete('Xlink3')
298
299  silent !ln -s -f Xdir//Xfile Xlink
300  call assert_equal('Xdir/Xfile', resolve('Xlink'))
301  call delete('Xlink')
302
303  silent !ln -s -f Xlink2/ Xlink1
304  call assert_equal('Xlink2', 'Xlink1'->resolve())
305  call assert_equal('Xlink2/', resolve('Xlink1/'))
306  call delete('Xlink1')
307
308  silent !ln -s -f ./Xlink2 Xlink1
309  call assert_equal('Xlink2', resolve('Xlink1'))
310  call assert_equal('./Xlink2', resolve('./Xlink1'))
311  call delete('Xlink1')
312endfunc
313
314func s:normalize_fname(fname)
315  let ret = substitute(a:fname, '\', '/', 'g')
316  let ret = substitute(ret, '//', '/', 'g')
317  return ret->tolower()
318endfunc
319
320func Test_resolve_win32()
321  if !has('win32')
322    return
323  endif
324
325  " test for shortcut file
326  if executable('cscript')
327    new Xfile
328    wq
329    let lines =<< trim END
330	Set fs = CreateObject("Scripting.FileSystemObject")
331	Set ws = WScript.CreateObject("WScript.Shell")
332	Set shortcut = ws.CreateShortcut("Xlink.lnk")
333	shortcut.TargetPath = fs.BuildPath(ws.CurrentDirectory, "Xfile")
334	shortcut.Save
335    END
336    call writefile(lines, 'link.vbs')
337    silent !cscript link.vbs
338    call delete('link.vbs')
339    call assert_equal(s:normalize_fname(getcwd() . '\Xfile'), s:normalize_fname(resolve('./Xlink.lnk')))
340    call delete('Xfile')
341
342    call assert_equal(s:normalize_fname(getcwd() . '\Xfile'), s:normalize_fname(resolve('./Xlink.lnk')))
343    call delete('Xlink.lnk')
344  else
345    echomsg 'skipped test for shortcut file'
346  endif
347
348  " remove files
349  call delete('Xlink')
350  call delete('Xdir', 'd')
351  call delete('Xfile')
352
353  " test for symbolic link to a file
354  new Xfile
355  wq
356  call assert_equal('Xfile', resolve('Xfile'))
357  silent !mklink Xlink Xfile
358  if !v:shell_error
359    call assert_equal(s:normalize_fname(getcwd() . '\Xfile'), s:normalize_fname(resolve('./Xlink')))
360    call delete('Xlink')
361  else
362    echomsg 'skipped test for symbolic link to a file'
363  endif
364  call delete('Xfile')
365
366  " test for junction to a directory
367  call mkdir('Xdir')
368  silent !mklink /J Xlink Xdir
369  if !v:shell_error
370    call assert_equal(s:normalize_fname(getcwd() . '\Xdir'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
371
372    call delete('Xdir', 'd')
373
374    " test for junction already removed
375    call assert_equal(s:normalize_fname(getcwd() . '\Xlink'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
376    call delete('Xlink')
377  else
378    echomsg 'skipped test for junction to a directory'
379    call delete('Xdir', 'd')
380  endif
381
382  " test for symbolic link to a directory
383  call mkdir('Xdir')
384  silent !mklink /D Xlink Xdir
385  if !v:shell_error
386    call assert_equal(s:normalize_fname(getcwd() . '\Xdir'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
387
388    call delete('Xdir', 'd')
389
390    " test for symbolic link already removed
391    call assert_equal(s:normalize_fname(getcwd() . '\Xlink'), s:normalize_fname(resolve(getcwd() . '/Xlink')))
392    call delete('Xlink')
393  else
394    echomsg 'skipped test for symbolic link to a directory'
395    call delete('Xdir', 'd')
396  endif
397
398  " test for buffer name
399  new Xfile
400  wq
401  silent !mklink Xlink Xfile
402  if !v:shell_error
403    edit Xlink
404    call assert_equal('Xlink', bufname('%'))
405    call delete('Xlink')
406    bw!
407  else
408    echomsg 'skipped test for buffer name'
409  endif
410  call delete('Xfile')
411
412  " test for reparse point
413  call mkdir('Xdir')
414  call assert_equal('Xdir', resolve('Xdir'))
415  silent !mklink /D Xdirlink Xdir
416  if !v:shell_error
417    w Xdir/text.txt
418    call assert_equal('Xdir/text.txt', resolve('Xdir/text.txt'))
419    call assert_equal(s:normalize_fname(getcwd() . '\Xdir\text.txt'), s:normalize_fname(resolve('Xdirlink\text.txt')))
420    call assert_equal(s:normalize_fname(getcwd() . '\Xdir'), s:normalize_fname(resolve('Xdirlink')))
421    call delete('Xdirlink')
422  else
423    echomsg 'skipped test for reparse point'
424  endif
425
426  call delete('Xdir', 'rf')
427endfunc
428
429func Test_simplify()
430  call assert_equal('',            simplify(''))
431  call assert_equal('/',           simplify('/'))
432  call assert_equal('/',           simplify('/.'))
433  call assert_equal('/',           simplify('/..'))
434  call assert_equal('/...',        simplify('/...'))
435  call assert_equal('./dir/file',  simplify('./dir/file'))
436  call assert_equal('./dir/file',  simplify('.///dir//file'))
437  call assert_equal('./dir/file',  simplify('./dir/./file'))
438  call assert_equal('./file',      simplify('./dir/../file'))
439  call assert_equal('../dir/file', simplify('dir/../../dir/file'))
440  call assert_equal('./file',      simplify('dir/.././file'))
441
442  call assert_fails('call simplify({->0})', 'E729:')
443  call assert_fails('call simplify([])', 'E730:')
444  call assert_fails('call simplify({})', 'E731:')
445  if has('float')
446    call assert_fails('call simplify(1.2)', 'E806:')
447  endif
448endfunc
449
450func Test_pathshorten()
451  call assert_equal('', pathshorten(''))
452  call assert_equal('foo', pathshorten('foo'))
453  call assert_equal('/foo', '/foo'->pathshorten())
454  call assert_equal('f/', pathshorten('foo/'))
455  call assert_equal('f/bar', pathshorten('foo/bar'))
456  call assert_equal('f/b/foobar', 'foo/bar/foobar'->pathshorten())
457  call assert_equal('/f/b/foobar', pathshorten('/foo/bar/foobar'))
458  call assert_equal('.f/bar', pathshorten('.foo/bar'))
459  call assert_equal('~f/bar', pathshorten('~foo/bar'))
460  call assert_equal('~.f/bar', pathshorten('~.foo/bar'))
461  call assert_equal('.~f/bar', pathshorten('.~foo/bar'))
462  call assert_equal('~/f/bar', pathshorten('~/foo/bar'))
463endfunc
464
465func Test_strpart()
466  call assert_equal('de', strpart('abcdefg', 3, 2))
467  call assert_equal('ab', strpart('abcdefg', -2, 4))
468  call assert_equal('abcdefg', 'abcdefg'->strpart(-2))
469  call assert_equal('fg', strpart('abcdefg', 5, 4))
470  call assert_equal('defg', strpart('abcdefg', 3))
471
472  call assert_equal('lép', strpart('éléphant', 2, 4))
473  call assert_equal('léphant', strpart('éléphant', 2))
474endfunc
475
476func Test_tolower()
477  call assert_equal("", tolower(""))
478
479  " Test with all printable ASCII characters.
480  call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[\]^_`abcdefghijklmnopqrstuvwxyz{|}~',
481          \ tolower(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~'))
482
483  " Test with a few uppercase diacritics.
484  call assert_equal("aàáâãäåāăąǎǟǡả", tolower("AÀÁÂÃÄÅĀĂĄǍǞǠẢ"))
485  call assert_equal("bḃḇ", tolower("BḂḆ"))
486  call assert_equal("cçćĉċč", tolower("CÇĆĈĊČ"))
487  call assert_equal("dďđḋḏḑ", tolower("DĎĐḊḎḐ"))
488  call assert_equal("eèéêëēĕėęěẻẽ", tolower("EÈÉÊËĒĔĖĘĚẺẼ"))
489  call assert_equal("fḟ ", tolower("FḞ "))
490  call assert_equal("gĝğġģǥǧǵḡ", tolower("GĜĞĠĢǤǦǴḠ"))
491  call assert_equal("hĥħḣḧḩ", tolower("HĤĦḢḦḨ"))
492  call assert_equal("iìíîïĩīĭįiǐỉ", tolower("IÌÍÎÏĨĪĬĮİǏỈ"))
493  call assert_equal("jĵ", tolower("JĴ"))
494  call assert_equal("kķǩḱḵ", tolower("KĶǨḰḴ"))
495  call assert_equal("lĺļľŀłḻ", tolower("LĹĻĽĿŁḺ"))
496  call assert_equal("mḿṁ", tolower("MḾṀ"))
497  call assert_equal("nñńņňṅṉ", tolower("NÑŃŅŇṄṈ"))
498  call assert_equal("oòóôõöøōŏőơǒǫǭỏ", tolower("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ"))
499  call assert_equal("pṕṗ", tolower("PṔṖ"))
500  call assert_equal("q", tolower("Q"))
501  call assert_equal("rŕŗřṙṟ", tolower("RŔŖŘṘṞ"))
502  call assert_equal("sśŝşšṡ", tolower("SŚŜŞŠṠ"))
503  call assert_equal("tţťŧṫṯ", tolower("TŢŤŦṪṮ"))
504  call assert_equal("uùúûüũūŭůűųưǔủ", tolower("UÙÚÛÜŨŪŬŮŰŲƯǓỦ"))
505  call assert_equal("vṽ", tolower("VṼ"))
506  call assert_equal("wŵẁẃẅẇ", tolower("WŴẀẂẄẆ"))
507  call assert_equal("xẋẍ", tolower("XẊẌ"))
508  call assert_equal("yýŷÿẏỳỷỹ", tolower("YÝŶŸẎỲỶỸ"))
509  call assert_equal("zźżžƶẑẕ", tolower("ZŹŻŽƵẐẔ"))
510
511  " Test with a few lowercase diacritics, which should remain unchanged.
512  call assert_equal("aàáâãäåāăąǎǟǡả", tolower("aàáâãäåāăąǎǟǡả"))
513  call assert_equal("bḃḇ", tolower("bḃḇ"))
514  call assert_equal("cçćĉċč", tolower("cçćĉċč"))
515  call assert_equal("dďđḋḏḑ", tolower("dďđḋḏḑ"))
516  call assert_equal("eèéêëēĕėęěẻẽ", tolower("eèéêëēĕėęěẻẽ"))
517  call assert_equal("fḟ", tolower("fḟ"))
518  call assert_equal("gĝğġģǥǧǵḡ", tolower("gĝğġģǥǧǵḡ"))
519  call assert_equal("hĥħḣḧḩẖ", tolower("hĥħḣḧḩẖ"))
520  call assert_equal("iìíîïĩīĭįǐỉ", tolower("iìíîïĩīĭįǐỉ"))
521  call assert_equal("jĵǰ", tolower("jĵǰ"))
522  call assert_equal("kķǩḱḵ", tolower("kķǩḱḵ"))
523  call assert_equal("lĺļľŀłḻ", tolower("lĺļľŀłḻ"))
524  call assert_equal("mḿṁ ", tolower("mḿṁ "))
525  call assert_equal("nñńņňʼnṅṉ", tolower("nñńņňʼnṅṉ"))
526  call assert_equal("oòóôõöøōŏőơǒǫǭỏ", tolower("oòóôõöøōŏőơǒǫǭỏ"))
527  call assert_equal("pṕṗ", tolower("pṕṗ"))
528  call assert_equal("q", tolower("q"))
529  call assert_equal("rŕŗřṙṟ", tolower("rŕŗřṙṟ"))
530  call assert_equal("sśŝşšṡ", tolower("sśŝşšṡ"))
531  call assert_equal("tţťŧṫṯẗ", tolower("tţťŧṫṯẗ"))
532  call assert_equal("uùúûüũūŭůűųưǔủ", tolower("uùúûüũūŭůűųưǔủ"))
533  call assert_equal("vṽ", tolower("vṽ"))
534  call assert_equal("wŵẁẃẅẇẘ", tolower("wŵẁẃẅẇẘ"))
535  call assert_equal("ẋẍ", tolower("ẋẍ"))
536  call assert_equal("yýÿŷẏẙỳỷỹ", tolower("yýÿŷẏẙỳỷỹ"))
537  call assert_equal("zźżžƶẑẕ", tolower("zźżžƶẑẕ"))
538
539  " According to https://twitter.com/jifa/status/625776454479970304
540  " Ⱥ (U+023A) and Ⱦ (U+023E) are the *only* code points to increase
541  " in length (2 to 3 bytes) when lowercased. So let's test them.
542  call assert_equal("ⱥ ⱦ", tolower("Ⱥ Ⱦ"))
543
544  " This call to tolower with invalid utf8 sequence used to cause access to
545  " invalid memory.
546  call tolower("\xC0\x80\xC0")
547  call tolower("123\xC0\x80\xC0")
548endfunc
549
550func Test_toupper()
551  call assert_equal("", toupper(""))
552
553  " Test with all printable ASCII characters.
554  call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~',
555          \ toupper(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~'))
556
557  " Test with a few lowercase diacritics.
558  call assert_equal("AÀÁÂÃÄÅĀĂĄǍǞǠẢ", "aàáâãäåāăąǎǟǡả"->toupper())
559  call assert_equal("BḂḆ", toupper("bḃḇ"))
560  call assert_equal("CÇĆĈĊČ", toupper("cçćĉċč"))
561  call assert_equal("DĎĐḊḎḐ", toupper("dďđḋḏḑ"))
562  call assert_equal("EÈÉÊËĒĔĖĘĚẺẼ", toupper("eèéêëēĕėęěẻẽ"))
563  call assert_equal("FḞ", toupper("fḟ"))
564  call assert_equal("GĜĞĠĢǤǦǴḠ", toupper("gĝğġģǥǧǵḡ"))
565  call assert_equal("HĤĦḢḦḨẖ", toupper("hĥħḣḧḩẖ"))
566  call assert_equal("IÌÍÎÏĨĪĬĮǏỈ", toupper("iìíîïĩīĭįǐỉ"))
567  call assert_equal("JĴǰ", toupper("jĵǰ"))
568  call assert_equal("KĶǨḰḴ", toupper("kķǩḱḵ"))
569  call assert_equal("LĹĻĽĿŁḺ", toupper("lĺļľŀłḻ"))
570  call assert_equal("MḾṀ ", toupper("mḿṁ "))
571  call assert_equal("NÑŃŅŇʼnṄṈ", toupper("nñńņňʼnṅṉ"))
572  call assert_equal("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ", toupper("oòóôõöøōŏőơǒǫǭỏ"))
573  call assert_equal("PṔṖ", toupper("pṕṗ"))
574  call assert_equal("Q", toupper("q"))
575  call assert_equal("RŔŖŘṘṞ", toupper("rŕŗřṙṟ"))
576  call assert_equal("SŚŜŞŠṠ", toupper("sśŝşšṡ"))
577  call assert_equal("TŢŤŦṪṮẗ", toupper("tţťŧṫṯẗ"))
578  call assert_equal("UÙÚÛÜŨŪŬŮŰŲƯǓỦ", toupper("uùúûüũūŭůűųưǔủ"))
579  call assert_equal("VṼ", toupper("vṽ"))
580  call assert_equal("WŴẀẂẄẆẘ", toupper("wŵẁẃẅẇẘ"))
581  call assert_equal("ẊẌ", toupper("ẋẍ"))
582  call assert_equal("YÝŸŶẎẙỲỶỸ", toupper("yýÿŷẏẙỳỷỹ"))
583  call assert_equal("ZŹŻŽƵẐẔ", toupper("zźżžƶẑẕ"))
584
585  " Test that uppercase diacritics, which should remain unchanged.
586  call assert_equal("AÀÁÂÃÄÅĀĂĄǍǞǠẢ", toupper("AÀÁÂÃÄÅĀĂĄǍǞǠẢ"))
587  call assert_equal("BḂḆ", toupper("BḂḆ"))
588  call assert_equal("CÇĆĈĊČ", toupper("CÇĆĈĊČ"))
589  call assert_equal("DĎĐḊḎḐ", toupper("DĎĐḊḎḐ"))
590  call assert_equal("EÈÉÊËĒĔĖĘĚẺẼ", toupper("EÈÉÊËĒĔĖĘĚẺẼ"))
591  call assert_equal("FḞ ", toupper("FḞ "))
592  call assert_equal("GĜĞĠĢǤǦǴḠ", toupper("GĜĞĠĢǤǦǴḠ"))
593  call assert_equal("HĤĦḢḦḨ", toupper("HĤĦḢḦḨ"))
594  call assert_equal("IÌÍÎÏĨĪĬĮİǏỈ", toupper("IÌÍÎÏĨĪĬĮİǏỈ"))
595  call assert_equal("JĴ", toupper("JĴ"))
596  call assert_equal("KĶǨḰḴ", toupper("KĶǨḰḴ"))
597  call assert_equal("LĹĻĽĿŁḺ", toupper("LĹĻĽĿŁḺ"))
598  call assert_equal("MḾṀ", toupper("MḾṀ"))
599  call assert_equal("NÑŃŅŇṄṈ", toupper("NÑŃŅŇṄṈ"))
600  call assert_equal("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ", toupper("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ"))
601  call assert_equal("PṔṖ", toupper("PṔṖ"))
602  call assert_equal("Q", toupper("Q"))
603  call assert_equal("RŔŖŘṘṞ", toupper("RŔŖŘṘṞ"))
604  call assert_equal("SŚŜŞŠṠ", toupper("SŚŜŞŠṠ"))
605  call assert_equal("TŢŤŦṪṮ", toupper("TŢŤŦṪṮ"))
606  call assert_equal("UÙÚÛÜŨŪŬŮŰŲƯǓỦ", toupper("UÙÚÛÜŨŪŬŮŰŲƯǓỦ"))
607  call assert_equal("VṼ", toupper("VṼ"))
608  call assert_equal("WŴẀẂẄẆ", toupper("WŴẀẂẄẆ"))
609  call assert_equal("XẊẌ", toupper("XẊẌ"))
610  call assert_equal("YÝŶŸẎỲỶỸ", toupper("YÝŶŸẎỲỶỸ"))
611  call assert_equal("ZŹŻŽƵẐẔ", toupper("ZŹŻŽƵẐẔ"))
612
613  call assert_equal("Ⱥ Ⱦ", toupper("ⱥ ⱦ"))
614
615  " This call to toupper with invalid utf8 sequence used to cause access to
616  " invalid memory.
617  call toupper("\xC0\x80\xC0")
618  call toupper("123\xC0\x80\xC0")
619endfunc
620
621func Test_tr()
622  call assert_equal('foo', tr('bar', 'bar', 'foo'))
623  call assert_equal('zxy', 'cab'->tr('abc', 'xyz'))
624endfunc
625
626" Tests for the mode() function
627let current_modes = ''
628func Save_mode()
629  let g:current_modes = mode(0) . '-' . mode(1)
630  return ''
631endfunc
632
633func Test_mode()
634  new
635  call append(0, ["Blue Ball Black", "Brown Band Bowl", ""])
636
637  " Only complete from the current buffer.
638  set complete=.
639
640  inoremap <F2> <C-R>=Save_mode()<CR>
641
642  normal! 3G
643  exe "normal i\<F2>\<Esc>"
644  call assert_equal('i-i', g:current_modes)
645  " i_CTRL-P: Multiple matches
646  exe "normal i\<C-G>uBa\<C-P>\<F2>\<Esc>u"
647  call assert_equal('i-ic', g:current_modes)
648  " i_CTRL-P: Single match
649  exe "normal iBro\<C-P>\<F2>\<Esc>u"
650  call assert_equal('i-ic', g:current_modes)
651  " i_CTRL-X
652  exe "normal iBa\<C-X>\<F2>\<Esc>u"
653  call assert_equal('i-ix', g:current_modes)
654  " i_CTRL-X CTRL-P: Multiple matches
655  exe "normal iBa\<C-X>\<C-P>\<F2>\<Esc>u"
656  call assert_equal('i-ic', g:current_modes)
657  " i_CTRL-X CTRL-P: Single match
658  exe "normal iBro\<C-X>\<C-P>\<F2>\<Esc>u"
659  call assert_equal('i-ic', g:current_modes)
660  " i_CTRL-X CTRL-P + CTRL-P: Single match
661  exe "normal iBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u"
662  call assert_equal('i-ic', g:current_modes)
663  " i_CTRL-X CTRL-L: Multiple matches
664  exe "normal i\<C-X>\<C-L>\<F2>\<Esc>u"
665  call assert_equal('i-ic', g:current_modes)
666  " i_CTRL-X CTRL-L: Single match
667  exe "normal iBlu\<C-X>\<C-L>\<F2>\<Esc>u"
668  call assert_equal('i-ic', g:current_modes)
669  " i_CTRL-P: No match
670  exe "normal iCom\<C-P>\<F2>\<Esc>u"
671  call assert_equal('i-ic', g:current_modes)
672  " i_CTRL-X CTRL-P: No match
673  exe "normal iCom\<C-X>\<C-P>\<F2>\<Esc>u"
674  call assert_equal('i-ic', g:current_modes)
675  " i_CTRL-X CTRL-L: No match
676  exe "normal iabc\<C-X>\<C-L>\<F2>\<Esc>u"
677  call assert_equal('i-ic', g:current_modes)
678
679  " R_CTRL-P: Multiple matches
680  exe "normal RBa\<C-P>\<F2>\<Esc>u"
681  call assert_equal('R-Rc', g:current_modes)
682  " R_CTRL-P: Single match
683  exe "normal RBro\<C-P>\<F2>\<Esc>u"
684  call assert_equal('R-Rc', g:current_modes)
685  " R_CTRL-X
686  exe "normal RBa\<C-X>\<F2>\<Esc>u"
687  call assert_equal('R-Rx', g:current_modes)
688  " R_CTRL-X CTRL-P: Multiple matches
689  exe "normal RBa\<C-X>\<C-P>\<F2>\<Esc>u"
690  call assert_equal('R-Rc', g:current_modes)
691  " R_CTRL-X CTRL-P: Single match
692  exe "normal RBro\<C-X>\<C-P>\<F2>\<Esc>u"
693  call assert_equal('R-Rc', g:current_modes)
694  " R_CTRL-X CTRL-P + CTRL-P: Single match
695  exe "normal RBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u"
696  call assert_equal('R-Rc', g:current_modes)
697  " R_CTRL-X CTRL-L: Multiple matches
698  exe "normal R\<C-X>\<C-L>\<F2>\<Esc>u"
699  call assert_equal('R-Rc', g:current_modes)
700  " R_CTRL-X CTRL-L: Single match
701  exe "normal RBlu\<C-X>\<C-L>\<F2>\<Esc>u"
702  call assert_equal('R-Rc', g:current_modes)
703  " R_CTRL-P: No match
704  exe "normal RCom\<C-P>\<F2>\<Esc>u"
705  call assert_equal('R-Rc', g:current_modes)
706  " R_CTRL-X CTRL-P: No match
707  exe "normal RCom\<C-X>\<C-P>\<F2>\<Esc>u"
708  call assert_equal('R-Rc', g:current_modes)
709  " R_CTRL-X CTRL-L: No match
710  exe "normal Rabc\<C-X>\<C-L>\<F2>\<Esc>u"
711  call assert_equal('R-Rc', g:current_modes)
712
713  call assert_equal('n', 0->mode())
714  call assert_equal('n', 1->mode())
715
716  " i_CTRL-O
717  exe "normal i\<C-O>:call Save_mode()\<Cr>\<Esc>"
718  call assert_equal("n-niI", g:current_modes)
719
720  " R_CTRL-O
721  exe "normal R\<C-O>:call Save_mode()\<Cr>\<Esc>"
722  call assert_equal("n-niR", g:current_modes)
723
724  " gR_CTRL-O
725  exe "normal gR\<C-O>:call Save_mode()\<Cr>\<Esc>"
726  call assert_equal("n-niV", g:current_modes)
727
728  " How to test operator-pending mode?
729
730  call feedkeys("v", 'xt')
731  call assert_equal('v', mode())
732  call assert_equal('v', mode(1))
733  call feedkeys("\<Esc>V", 'xt')
734  call assert_equal('V', mode())
735  call assert_equal('V', mode(1))
736  call feedkeys("\<Esc>\<C-V>", 'xt')
737  call assert_equal("\<C-V>", mode())
738  call assert_equal("\<C-V>", mode(1))
739  call feedkeys("\<Esc>", 'xt')
740
741  call feedkeys("gh", 'xt')
742  call assert_equal('s', mode())
743  call assert_equal('s', mode(1))
744  call feedkeys("\<Esc>gH", 'xt')
745  call assert_equal('S', mode())
746  call assert_equal('S', mode(1))
747  call feedkeys("\<Esc>g\<C-H>", 'xt')
748  call assert_equal("\<C-S>", mode())
749  call assert_equal("\<C-S>", mode(1))
750  call feedkeys("\<Esc>", 'xt')
751
752  call feedkeys(":echo \<C-R>=Save_mode()\<C-U>\<CR>", 'xt')
753  call assert_equal('c-c', g:current_modes)
754  call feedkeys("gQecho \<C-R>=Save_mode()\<CR>\<CR>vi\<CR>", 'xt')
755  call assert_equal('c-cv', g:current_modes)
756  " How to test Ex mode?
757
758  bwipe!
759  iunmap <F2>
760  set complete&
761endfunc
762
763func Test_append()
764  enew!
765  split
766  call append(0, ["foo"])
767  split
768  only
769  undo
770endfunc
771
772func Test_getbufvar()
773  let bnr = bufnr('%')
774  let b:var_num = '1234'
775  let def_num = '5678'
776  call assert_equal('1234', getbufvar(bnr, 'var_num'))
777  call assert_equal('1234', getbufvar(bnr, 'var_num', def_num))
778
779  let bd = getbufvar(bnr, '')
780  call assert_equal('1234', bd['var_num'])
781  call assert_true(exists("bd['changedtick']"))
782  call assert_equal(2, len(bd))
783
784  let bd2 = getbufvar(bnr, '', def_num)
785  call assert_equal(bd, bd2)
786
787  unlet b:var_num
788  call assert_equal(def_num, getbufvar(bnr, 'var_num', def_num))
789  call assert_equal('', getbufvar(bnr, 'var_num'))
790
791  let bd = getbufvar(bnr, '')
792  call assert_equal(1, len(bd))
793  let bd = getbufvar(bnr, '',def_num)
794  call assert_equal(1, len(bd))
795
796  call assert_equal('', getbufvar(9999, ''))
797  call assert_equal(def_num, getbufvar(9999, '', def_num))
798  unlet def_num
799
800  call assert_equal(0, getbufvar(bnr, '&autoindent'))
801  call assert_equal(0, getbufvar(bnr, '&autoindent', 1))
802
803  " Set and get a buffer-local variable
804  call setbufvar(bnr, 'bufvar_test', ['one', 'two'])
805  call assert_equal(['one', 'two'], getbufvar(bnr, 'bufvar_test'))
806
807  " Open new window with forced option values
808  set fileformats=unix,dos
809  new ++ff=dos ++bin ++enc=iso-8859-2
810  call assert_equal('dos', getbufvar(bufnr('%'), '&fileformat'))
811  call assert_equal(1, getbufvar(bufnr('%'), '&bin'))
812  call assert_equal('iso-8859-2', getbufvar(bufnr('%'), '&fenc'))
813  close
814
815  set fileformats&
816endfunc
817
818func Test_last_buffer_nr()
819  call assert_equal(bufnr('$'), last_buffer_nr())
820endfunc
821
822func Test_stridx()
823  call assert_equal(-1, stridx('', 'l'))
824  call assert_equal(0,  stridx('', ''))
825  call assert_equal(0,  'hello'->stridx(''))
826  call assert_equal(-1, stridx('hello', 'L'))
827  call assert_equal(2,  stridx('hello', 'l', -1))
828  call assert_equal(2,  stridx('hello', 'l', 0))
829  call assert_equal(2,  'hello'->stridx('l', 1))
830  call assert_equal(3,  stridx('hello', 'l', 3))
831  call assert_equal(-1, stridx('hello', 'l', 4))
832  call assert_equal(-1, stridx('hello', 'l', 10))
833  call assert_equal(2,  stridx('hello', 'll'))
834  call assert_equal(-1, stridx('hello', 'hello world'))
835endfunc
836
837func Test_strridx()
838  call assert_equal(-1, strridx('', 'l'))
839  call assert_equal(0,  strridx('', ''))
840  call assert_equal(5,  strridx('hello', ''))
841  call assert_equal(-1, strridx('hello', 'L'))
842  call assert_equal(3,  'hello'->strridx('l'))
843  call assert_equal(3,  strridx('hello', 'l', 10))
844  call assert_equal(3,  strridx('hello', 'l', 3))
845  call assert_equal(2,  strridx('hello', 'l', 2))
846  call assert_equal(-1, strridx('hello', 'l', 1))
847  call assert_equal(-1, strridx('hello', 'l', 0))
848  call assert_equal(-1, strridx('hello', 'l', -1))
849  call assert_equal(2,  strridx('hello', 'll'))
850  call assert_equal(-1, strridx('hello', 'hello world'))
851endfunc
852
853func Test_match_func()
854  call assert_equal(4,  match('testing', 'ing'))
855  call assert_equal(4,  'testing'->match('ing', 2))
856  call assert_equal(-1, match('testing', 'ing', 5))
857  call assert_equal(-1, match('testing', 'ing', 8))
858  call assert_equal(1, match(['vim', 'testing', 'execute'], 'ing'))
859  call assert_equal(-1, match(['vim', 'testing', 'execute'], 'img'))
860endfunc
861
862func Test_matchend()
863  call assert_equal(7,  matchend('testing', 'ing'))
864  call assert_equal(7,  'testing'->matchend('ing', 2))
865  call assert_equal(-1, matchend('testing', 'ing', 5))
866  call assert_equal(-1, matchend('testing', 'ing', 8))
867  call assert_equal(match(['vim', 'testing', 'execute'], 'ing'), matchend(['vim', 'testing', 'execute'], 'ing'))
868  call assert_equal(match(['vim', 'testing', 'execute'], 'img'), matchend(['vim', 'testing', 'execute'], 'img'))
869endfunc
870
871func Test_matchlist()
872  call assert_equal(['acd', 'a', '', 'c', 'd', '', '', '', '', ''],  matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)'))
873  call assert_equal(['d', '', '', '', 'd', '', '', '', '', ''],  'acd'->matchlist('\(a\)\?\(b\)\?\(c\)\?\(.*\)', 2))
874  call assert_equal([],  matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)', 4))
875endfunc
876
877func Test_matchstr()
878  call assert_equal('ing',  matchstr('testing', 'ing'))
879  call assert_equal('ing',  'testing'->matchstr('ing', 2))
880  call assert_equal('', matchstr('testing', 'ing', 5))
881  call assert_equal('', matchstr('testing', 'ing', 8))
882  call assert_equal('testing', matchstr(['vim', 'testing', 'execute'], 'ing'))
883  call assert_equal('', matchstr(['vim', 'testing', 'execute'], 'img'))
884endfunc
885
886func Test_matchstrpos()
887  call assert_equal(['ing', 4, 7], matchstrpos('testing', 'ing'))
888  call assert_equal(['ing', 4, 7], 'testing'->matchstrpos('ing', 2))
889  call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 5))
890  call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 8))
891  call assert_equal(['ing', 1, 4, 7], matchstrpos(['vim', 'testing', 'execute'], 'ing'))
892  call assert_equal(['', -1, -1, -1], matchstrpos(['vim', 'testing', 'execute'], 'img'))
893endfunc
894
895func Test_nextnonblank_prevnonblank()
896  new
897insert
898This
899
900
901is
902
903a
904Test
905.
906  call assert_equal(0, nextnonblank(-1))
907  call assert_equal(0, nextnonblank(0))
908  call assert_equal(1, nextnonblank(1))
909  call assert_equal(4, 2->nextnonblank())
910  call assert_equal(4, nextnonblank(3))
911  call assert_equal(4, nextnonblank(4))
912  call assert_equal(6, nextnonblank(5))
913  call assert_equal(6, nextnonblank(6))
914  call assert_equal(7, nextnonblank(7))
915  call assert_equal(0, 8->nextnonblank())
916
917  call assert_equal(0, prevnonblank(-1))
918  call assert_equal(0, prevnonblank(0))
919  call assert_equal(1, 1->prevnonblank())
920  call assert_equal(1, prevnonblank(2))
921  call assert_equal(1, prevnonblank(3))
922  call assert_equal(4, prevnonblank(4))
923  call assert_equal(4, 5->prevnonblank())
924  call assert_equal(6, prevnonblank(6))
925  call assert_equal(7, prevnonblank(7))
926  call assert_equal(0, prevnonblank(8))
927  bw!
928endfunc
929
930func Test_byte2line_line2byte()
931  new
932  set endofline
933  call setline(1, ['a', 'bc', 'd'])
934
935  set fileformat=unix
936  call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1],
937  \                 map(range(-1, 8), 'byte2line(v:val)'))
938  call assert_equal([-1, -1, 1, 3, 6, 8, -1],
939  \                 map(range(-1, 5), 'line2byte(v:val)'))
940
941  set fileformat=mac
942  call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1],
943  \                 map(range(-1, 8), 'v:val->byte2line()'))
944  call assert_equal([-1, -1, 1, 3, 6, 8, -1],
945  \                 map(range(-1, 5), 'v:val->line2byte()'))
946
947  set fileformat=dos
948  call assert_equal([-1, -1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, -1],
949  \                 map(range(-1, 11), 'byte2line(v:val)'))
950  call assert_equal([-1, -1, 1, 4, 8, 11, -1],
951  \                 map(range(-1, 5), 'line2byte(v:val)'))
952
953  bw!
954  set noendofline nofixendofline
955  normal a-
956  for ff in ["unix", "mac", "dos"]
957    let &fileformat = ff
958    call assert_equal(1, line2byte(1))
959    call assert_equal(2, line2byte(2))  " line2byte(line("$") + 1) is the buffer size plus one (as per :help line2byte).
960  endfor
961
962  set endofline& fixendofline& fileformat&
963  bw!
964endfunc
965
966func Test_byteidx()
967  let a = '.é.' " one char of two bytes
968  call assert_equal(0, byteidx(a, 0))
969  call assert_equal(0, byteidxcomp(a, 0))
970  call assert_equal(1, byteidx(a, 1))
971  call assert_equal(1, byteidxcomp(a, 1))
972  call assert_equal(3, byteidx(a, 2))
973  call assert_equal(3, byteidxcomp(a, 2))
974  call assert_equal(4, byteidx(a, 3))
975  call assert_equal(4, byteidxcomp(a, 3))
976  call assert_equal(-1, byteidx(a, 4))
977  call assert_equal(-1, byteidxcomp(a, 4))
978
979  let b = '.é.' " normal e with composing char
980  call assert_equal(0, b->byteidx(0))
981  call assert_equal(1, b->byteidx(1))
982  call assert_equal(4, b->byteidx(2))
983  call assert_equal(5, b->byteidx(3))
984  call assert_equal(-1, b->byteidx(4))
985
986  call assert_equal(0, b->byteidxcomp(0))
987  call assert_equal(1, b->byteidxcomp(1))
988  call assert_equal(2, b->byteidxcomp(2))
989  call assert_equal(4, b->byteidxcomp(3))
990  call assert_equal(5, b->byteidxcomp(4))
991  call assert_equal(-1, b->byteidxcomp(5))
992endfunc
993
994func Test_count()
995  let l = ['a', 'a', 'A', 'b']
996  call assert_equal(2, count(l, 'a'))
997  call assert_equal(1, count(l, 'A'))
998  call assert_equal(1, count(l, 'b'))
999  call assert_equal(0, count(l, 'B'))
1000
1001  call assert_equal(2, count(l, 'a', 0))
1002  call assert_equal(1, count(l, 'A', 0))
1003  call assert_equal(1, count(l, 'b', 0))
1004  call assert_equal(0, count(l, 'B', 0))
1005
1006  call assert_equal(3, count(l, 'a', 1))
1007  call assert_equal(3, count(l, 'A', 1))
1008  call assert_equal(1, count(l, 'b', 1))
1009  call assert_equal(1, count(l, 'B', 1))
1010  call assert_equal(0, count(l, 'c', 1))
1011
1012  call assert_equal(1, count(l, 'a', 0, 1))
1013  call assert_equal(2, count(l, 'a', 1, 1))
1014  call assert_fails('call count(l, "a", 0, 10)', 'E684:')
1015  call assert_fails('call count(l, "a", [])', 'E745:')
1016
1017  let d = {1: 'a', 2: 'a', 3: 'A', 4: 'b'}
1018  call assert_equal(2, count(d, 'a'))
1019  call assert_equal(1, count(d, 'A'))
1020  call assert_equal(1, count(d, 'b'))
1021  call assert_equal(0, count(d, 'B'))
1022
1023  call assert_equal(2, count(d, 'a', 0))
1024  call assert_equal(1, count(d, 'A', 0))
1025  call assert_equal(1, count(d, 'b', 0))
1026  call assert_equal(0, count(d, 'B', 0))
1027
1028  call assert_equal(3, count(d, 'a', 1))
1029  call assert_equal(3, count(d, 'A', 1))
1030  call assert_equal(1, count(d, 'b', 1))
1031  call assert_equal(1, count(d, 'B', 1))
1032  call assert_equal(0, count(d, 'c', 1))
1033
1034  call assert_fails('call count(d, "a", 0, 1)', 'E474:')
1035
1036  call assert_equal(0, count("foo", "bar"))
1037  call assert_equal(1, count("foo", "oo"))
1038  call assert_equal(2, count("foo", "o"))
1039  call assert_equal(0, count("foo", "O"))
1040  call assert_equal(2, count("foo", "O", 1))
1041  call assert_equal(2, count("fooooo", "oo"))
1042  call assert_equal(0, count("foo", ""))
1043
1044  call assert_fails('call count(0, 0)', 'E712:')
1045endfunc
1046
1047func Test_changenr()
1048  new Xchangenr
1049  call assert_equal(0, changenr())
1050  norm ifoo
1051  call assert_equal(1, changenr())
1052  set undolevels=10
1053  norm Sbar
1054  call assert_equal(2, changenr())
1055  undo
1056  call assert_equal(1, changenr())
1057  redo
1058  call assert_equal(2, changenr())
1059  bw!
1060  set undolevels&
1061endfunc
1062
1063func Test_filewritable()
1064  new Xfilewritable
1065  write!
1066  call assert_equal(1, filewritable('Xfilewritable'))
1067
1068  call assert_notequal(0, setfperm('Xfilewritable', 'r--r-----'))
1069  call assert_equal(0, filewritable('Xfilewritable'))
1070
1071  call assert_notequal(0, setfperm('Xfilewritable', 'rw-r-----'))
1072  call assert_equal(1, 'Xfilewritable'->filewritable())
1073
1074  call assert_equal(0, filewritable('doesnotexist'))
1075
1076  call delete('Xfilewritable')
1077  bw!
1078endfunc
1079
1080func Test_Executable()
1081  if has('win32')
1082    call assert_equal(1, executable('notepad'))
1083    call assert_equal(1, 'notepad.exe'->executable())
1084    call assert_equal(0, executable('notepad.exe.exe'))
1085    call assert_equal(0, executable('shell32.dll'))
1086    call assert_equal(0, executable('win.ini'))
1087  elseif has('unix')
1088    call assert_equal(1, 'cat'->executable())
1089    call assert_equal(0, executable('nodogshere'))
1090
1091    " get "cat" path and remove the leading /
1092    let catcmd = exepath('cat')[1:]
1093    new
1094    " check that the relative path works in /
1095    lcd /
1096    call assert_equal(1, executable(catcmd))
1097    call assert_equal('/' .. catcmd, catcmd->exepath())
1098    bwipe
1099  endif
1100endfunc
1101
1102func Test_executable_longname()
1103  if !has('win32')
1104    return
1105  endif
1106
1107  let fname = 'X' . repeat('あ', 200) . '.bat'
1108  call writefile([], fname)
1109  call assert_equal(1, executable(fname))
1110  call delete(fname)
1111endfunc
1112
1113func Test_hostname()
1114  let hostname_vim = hostname()
1115  if has('unix')
1116    let hostname_system = systemlist('uname -n')[0]
1117    call assert_equal(hostname_vim, hostname_system)
1118  endif
1119endfunc
1120
1121func Test_getpid()
1122  " getpid() always returns the same value within a vim instance.
1123  call assert_equal(getpid(), getpid())
1124  if has('unix')
1125    call assert_equal(systemlist('echo $PPID')[0], string(getpid()))
1126  endif
1127endfunc
1128
1129func Test_hlexists()
1130  call assert_equal(0, hlexists('does_not_exist'))
1131  call assert_equal(0, 'Number'->hlexists())
1132  call assert_equal(0, highlight_exists('does_not_exist'))
1133  call assert_equal(0, highlight_exists('Number'))
1134  syntax on
1135  call assert_equal(0, hlexists('does_not_exist'))
1136  call assert_equal(1, hlexists('Number'))
1137  call assert_equal(0, highlight_exists('does_not_exist'))
1138  call assert_equal(1, highlight_exists('Number'))
1139  syntax off
1140endfunc
1141
1142func Test_col()
1143  new
1144  call setline(1, 'abcdef')
1145  norm gg4|mx6|mY2|
1146  call assert_equal(2, col('.'))
1147  call assert_equal(7, col('$'))
1148  call assert_equal(4, col("'x"))
1149  call assert_equal(6, col("'Y"))
1150  call assert_equal(2, [1, 2]->col())
1151  call assert_equal(7, col([1, '$']))
1152
1153  call assert_equal(0, col(''))
1154  call assert_equal(0, col('x'))
1155  call assert_equal(0, col([2, '$']))
1156  call assert_equal(0, col([1, 100]))
1157  call assert_equal(0, col([1]))
1158  bw!
1159endfunc
1160
1161" Test for input()
1162func Test_input_func()
1163  " Test for prompt with multiple lines
1164  redir => v
1165  call feedkeys(":let c = input(\"A\\nB\\nC\\n? \")\<CR>B\<CR>", 'xt')
1166  redir END
1167  call assert_equal("B", c)
1168  call assert_equal(['A', 'B', 'C'], split(v, "\n"))
1169
1170  " Test for default value
1171  call feedkeys(":let c = input('color? ', 'red')\<CR>\<CR>", 'xt')
1172  call assert_equal('red', c)
1173
1174  " Test for completion at the input prompt
1175  func! Tcomplete(arglead, cmdline, pos)
1176    return "item1\nitem2\nitem3"
1177  endfunc
1178  call feedkeys(":let c = input('Q? ', '' , 'custom,Tcomplete')\<CR>"
1179        \ .. "\<C-A>\<CR>", 'xt')
1180  delfunc Tcomplete
1181  call assert_equal('item1 item2 item3', c)
1182
1183  call assert_fails("call input('F:', '', 'invalid')", 'E180:')
1184  call assert_fails("call input('F:', '', [])", 'E730:')
1185endfunc
1186
1187" Test for the inputdialog() function
1188func Test_inputdialog()
1189  CheckNotGui
1190
1191  call feedkeys(":let v=inputdialog('Q:', 'xx', 'yy')\<CR>\<CR>", 'xt')
1192  call assert_equal('xx', v)
1193  call feedkeys(":let v=inputdialog('Q:', 'xx', 'yy')\<CR>\<Esc>", 'xt')
1194  call assert_equal('yy', v)
1195endfunc
1196
1197" Test for inputlist()
1198func Test_inputlist()
1199  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>1\<cr>", 'tx')
1200  call assert_equal(1, c)
1201  call feedkeys(":let c = ['Select color:', '1. red', '2. green', '3. blue']->inputlist()\<cr>2\<cr>", 'tx')
1202  call assert_equal(2, c)
1203  call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>3\<cr>", 'tx')
1204  call assert_equal(3, c)
1205
1206  call assert_fails('call inputlist("")', 'E686:')
1207endfunc
1208
1209func Test_balloon_show()
1210  if has('balloon_eval')
1211    " This won't do anything but must not crash either.
1212    call balloon_show('hi!')
1213    if !has('gui_running')
1214      call balloon_show(range(3))
1215    endif
1216  endif
1217endfunc
1218
1219func Test_setbufvar_options()
1220  " This tests that aucmd_prepbuf() and aucmd_restbuf() properly restore the
1221  " window layout.
1222  call assert_equal(1, winnr('$'))
1223  split dummy_preview
1224  resize 2
1225  set winfixheight winfixwidth
1226  let prev_id = win_getid()
1227
1228  wincmd j
1229  let wh = winheight('.')
1230  let dummy_buf = bufnr('dummy_buf1', v:true)
1231  call setbufvar(dummy_buf, '&buftype', 'nofile')
1232  execute 'belowright vertical split #' . dummy_buf
1233  call assert_equal(wh, winheight('.'))
1234  let dum1_id = win_getid()
1235
1236  wincmd h
1237  let wh = winheight('.')
1238  let dummy_buf = bufnr('dummy_buf2', v:true)
1239  eval 'nofile'->setbufvar(dummy_buf, '&buftype')
1240  execute 'belowright vertical split #' . dummy_buf
1241  call assert_equal(wh, winheight('.'))
1242
1243  bwipe!
1244  call win_gotoid(prev_id)
1245  bwipe!
1246  call win_gotoid(dum1_id)
1247  bwipe!
1248endfunc
1249
1250func Test_redo_in_nested_functions()
1251  nnoremap g. :set opfunc=Operator<CR>g@
1252  function Operator( type, ... )
1253     let @x = 'XXX'
1254     execute 'normal! g`[' . (a:type ==# 'line' ? 'V' : 'v') . 'g`]' . '"xp'
1255  endfunction
1256
1257  function! Apply()
1258      5,6normal! .
1259  endfunction
1260
1261  new
1262  call setline(1, repeat(['some "quoted" text', 'more "quoted" text'], 3))
1263  1normal g.i"
1264  call assert_equal('some "XXX" text', getline(1))
1265  3,4normal .
1266  call assert_equal('some "XXX" text', getline(3))
1267  call assert_equal('more "XXX" text', getline(4))
1268  call Apply()
1269  call assert_equal('some "XXX" text', getline(5))
1270  call assert_equal('more "XXX" text', getline(6))
1271  bwipe!
1272
1273  nunmap g.
1274  delfunc Operator
1275  delfunc Apply
1276endfunc
1277
1278func Test_shellescape()
1279  let save_shell = &shell
1280  set shell=bash
1281  call assert_equal("'text'", shellescape('text'))
1282  call assert_equal("'te\"xt'", 'te"xt'->shellescape())
1283  call assert_equal("'te'\\''xt'", shellescape("te'xt"))
1284
1285  call assert_equal("'te%xt'", shellescape("te%xt"))
1286  call assert_equal("'te\\%xt'", shellescape("te%xt", 1))
1287  call assert_equal("'te#xt'", shellescape("te#xt"))
1288  call assert_equal("'te\\#xt'", shellescape("te#xt", 1))
1289  call assert_equal("'te!xt'", shellescape("te!xt"))
1290  call assert_equal("'te\\!xt'", shellescape("te!xt", 1))
1291
1292  call assert_equal("'te\nxt'", shellescape("te\nxt"))
1293  call assert_equal("'te\\\nxt'", shellescape("te\nxt", 1))
1294  set shell=tcsh
1295  call assert_equal("'te\\!xt'", shellescape("te!xt"))
1296  call assert_equal("'te\\\\!xt'", shellescape("te!xt", 1))
1297  call assert_equal("'te\\\nxt'", shellescape("te\nxt"))
1298  call assert_equal("'te\\\\\nxt'", shellescape("te\nxt", 1))
1299
1300  let &shell = save_shell
1301endfunc
1302
1303func Test_trim()
1304  call assert_equal("Testing", trim("  \t\r\r\x0BTesting  \t\n\r\n\t\x0B\x0B"))
1305  call assert_equal("Testing", "  \t  \r\r\n\n\x0BTesting  \t\n\r\n\t\x0B\x0B"->trim())
1306  call assert_equal("RESERVE", trim("xyz \twwRESERVEzyww \t\t", " wxyz\t"))
1307  call assert_equal("wRE    \tSERVEzyww", trim("wRE    \tSERVEzyww"))
1308  call assert_equal("abcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail"))
1309  call assert_equal("\tabcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail", " "))
1310  call assert_equal(" \tabcd\t     xxxx   tail", trim(" \tabcd\t     xxxx   tail", "abx"))
1311  call assert_equal("RESERVE", trim("你RESERVE好", "你好"))
1312  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"))
1313  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", ))
1314  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"))
1315  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"))
1316  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"))
1317  call assert_equal("留下", trim("这些些不要这些留下这些", "这些不要"))
1318  call assert_equal("", trim("", ""))
1319  call assert_equal("a", trim("a", ""))
1320  call assert_equal("", trim("", "a"))
1321
1322  let chars = join(map(range(1, 0x20) + [0xa0], {n -> n->nr2char()}), '')
1323  call assert_equal("x", trim(chars . "x" . chars))
1324endfunc
1325
1326" Test for reg_recording() and reg_executing()
1327func Test_reg_executing_and_recording()
1328  let s:reg_stat = ''
1329  func s:save_reg_stat()
1330    let s:reg_stat = reg_recording() . ':' . reg_executing()
1331    return ''
1332  endfunc
1333
1334  new
1335  call s:save_reg_stat()
1336  call assert_equal(':', s:reg_stat)
1337  call feedkeys("qa\"=s:save_reg_stat()\<CR>pq", 'xt')
1338  call assert_equal('a:', s:reg_stat)
1339  call feedkeys("@a", 'xt')
1340  call assert_equal(':a', s:reg_stat)
1341  call feedkeys("qb@aq", 'xt')
1342  call assert_equal('b:a', s:reg_stat)
1343  call feedkeys("q\"\"=s:save_reg_stat()\<CR>pq", 'xt')
1344  call assert_equal('":', s:reg_stat)
1345
1346  " :normal command saves and restores reg_executing
1347  let s:reg_stat = ''
1348  let @q = ":call TestFunc()\<CR>:call s:save_reg_stat()\<CR>"
1349  func TestFunc() abort
1350    normal! ia
1351  endfunc
1352  call feedkeys("@q", 'xt')
1353  call assert_equal(':q', s:reg_stat)
1354  delfunc TestFunc
1355
1356  " getchar() command saves and restores reg_executing
1357  map W :call TestFunc()<CR>
1358  let @q = "W"
1359  let g:typed = ''
1360  let g:regs = []
1361  func TestFunc() abort
1362    let g:regs += [reg_executing()]
1363    let g:typed = getchar(0)
1364    let g:regs += [reg_executing()]
1365  endfunc
1366  call feedkeys("@qy", 'xt')
1367  call assert_equal(char2nr("y"), g:typed)
1368  call assert_equal(['q', 'q'], g:regs)
1369  delfunc TestFunc
1370  unmap W
1371  unlet g:typed
1372  unlet g:regs
1373
1374  " input() command saves and restores reg_executing
1375  map W :call TestFunc()<CR>
1376  let @q = "W"
1377  let g:typed = ''
1378  let g:regs = []
1379  func TestFunc() abort
1380    let g:regs += [reg_executing()]
1381    let g:typed = '?'->input()
1382    let g:regs += [reg_executing()]
1383  endfunc
1384  call feedkeys("@qy\<CR>", 'xt')
1385  call assert_equal("y", g:typed)
1386  call assert_equal(['q', 'q'], g:regs)
1387  delfunc TestFunc
1388  unmap W
1389  unlet g:typed
1390  unlet g:regs
1391
1392  bwipe!
1393  delfunc s:save_reg_stat
1394  unlet s:reg_stat
1395endfunc
1396
1397func Test_inputsecret()
1398  map W :call TestFunc()<CR>
1399  let @q = "W"
1400  let g:typed1 = ''
1401  let g:typed2 = ''
1402  let g:regs = []
1403  func TestFunc() abort
1404    let g:typed1 = '?'->inputsecret()
1405    let g:typed2 = inputsecret('password: ')
1406  endfunc
1407  call feedkeys("@qsomething\<CR>else\<CR>", 'xt')
1408  call assert_equal("something", g:typed1)
1409  call assert_equal("else", g:typed2)
1410  delfunc TestFunc
1411  unmap W
1412  unlet g:typed1
1413  unlet g:typed2
1414endfunc
1415
1416func Test_getchar()
1417  call feedkeys('a', '')
1418  call assert_equal(char2nr('a'), getchar())
1419
1420  call setline(1, 'xxxx')
1421  call test_setmouse(1, 3)
1422  let v:mouse_win = 9
1423  let v:mouse_winid = 9
1424  let v:mouse_lnum = 9
1425  let v:mouse_col = 9
1426  call feedkeys("\<S-LeftMouse>", '')
1427  call assert_equal("\<S-LeftMouse>", getchar())
1428  call assert_equal(1, v:mouse_win)
1429  call assert_equal(win_getid(1), v:mouse_winid)
1430  call assert_equal(1, v:mouse_lnum)
1431  call assert_equal(3, v:mouse_col)
1432  enew!
1433endfunc
1434
1435func Test_libcall_libcallnr()
1436  if !has('libcall')
1437    return
1438  endif
1439
1440  if has('win32')
1441    let libc = 'msvcrt.dll'
1442  elseif has('mac')
1443    let libc = 'libSystem.B.dylib'
1444  elseif executable('ldd')
1445    let libc = matchstr(split(system('ldd ' . GetVimProg())), '/libc\.so\>')
1446  endif
1447  if get(l:, 'libc', '') ==# ''
1448    " On Unix, libc.so can be in various places.
1449    if has('linux')
1450      " There is not documented but regarding the 1st argument of glibc's
1451      " dlopen an empty string and nullptr are equivalent, so using an empty
1452      " string for the 1st argument of libcall allows to call functions.
1453      let libc = ''
1454    elseif has('sun')
1455      " Set the path to libc.so according to the architecture.
1456      let test_bits = system('file ' . GetVimProg())
1457      let test_arch = system('uname -p')
1458      if test_bits =~ '64-bit' && test_arch =~ 'sparc'
1459        let libc = '/usr/lib/sparcv9/libc.so'
1460      elseif test_bits =~ '64-bit' && test_arch =~ 'i386'
1461        let libc = '/usr/lib/amd64/libc.so'
1462      else
1463        let libc = '/usr/lib/libc.so'
1464      endif
1465    else
1466      " Unfortunately skip this test until a good way is found.
1467      return
1468    endif
1469  endif
1470
1471  if has('win32')
1472    call assert_equal($USERPROFILE, 'USERPROFILE'->libcall(libc, 'getenv'))
1473  else
1474    call assert_equal($HOME, 'HOME'->libcall(libc, 'getenv'))
1475  endif
1476
1477  " If function returns NULL, libcall() should return an empty string.
1478  call assert_equal('', libcall(libc, 'getenv', 'X_ENV_DOES_NOT_EXIT'))
1479
1480  " Test libcallnr() with string and integer argument.
1481  call assert_equal(4, 'abcd'->libcallnr(libc, 'strlen'))
1482  call assert_equal(char2nr('A'), char2nr('a')->libcallnr(libc, 'toupper'))
1483
1484  call assert_fails("call libcall(libc, 'Xdoesnotexist_', '')", 'E364:')
1485  call assert_fails("call libcallnr(libc, 'Xdoesnotexist_', '')", 'E364:')
1486
1487  call assert_fails("call libcall('Xdoesnotexist_', 'getenv', 'HOME')", 'E364:')
1488  call assert_fails("call libcallnr('Xdoesnotexist_', 'strlen', 'abcd')", 'E364:')
1489endfunc
1490
1491sandbox function Fsandbox()
1492  normal ix
1493endfunc
1494
1495func Test_func_sandbox()
1496  sandbox let F = {-> 'hello'}
1497  call assert_equal('hello', F())
1498
1499  sandbox let F = {-> "normal ix\<Esc>"->execute()}
1500  call assert_fails('call F()', 'E48:')
1501  unlet F
1502
1503  call assert_fails('call Fsandbox()', 'E48:')
1504  delfunc Fsandbox
1505
1506  " From a sandbox try to set a predefined variable (which cannot be modified
1507  " from a sandbox)
1508  call assert_fails('sandbox let v:lnum = 10', 'E794:')
1509endfunc
1510
1511func EditAnotherFile()
1512  let word = expand('<cword>')
1513  edit Xfuncrange2
1514endfunc
1515
1516func Test_func_range_with_edit()
1517  " Define a function that edits another buffer, then call it with a range that
1518  " is invalid in that buffer.
1519  call writefile(['just one line'], 'Xfuncrange2')
1520  new
1521  eval 10->range()->setline(1)
1522  write Xfuncrange1
1523  call assert_fails('5,8call EditAnotherFile()', 'E16:')
1524
1525  call delete('Xfuncrange1')
1526  call delete('Xfuncrange2')
1527  bwipe!
1528endfunc
1529
1530func Test_func_exists_on_reload()
1531  call writefile(['func ExistingFunction()', 'echo "yes"', 'endfunc'], 'Xfuncexists')
1532  call assert_equal(0, exists('*ExistingFunction'))
1533  source Xfuncexists
1534  call assert_equal(1, '*ExistingFunction'->exists())
1535  " Redefining a function when reloading a script is OK.
1536  source Xfuncexists
1537  call assert_equal(1, exists('*ExistingFunction'))
1538
1539  " But redefining in another script is not OK.
1540  call writefile(['func ExistingFunction()', 'echo "yes"', 'endfunc'], 'Xfuncexists2')
1541  call assert_fails('source Xfuncexists2', 'E122:')
1542
1543  delfunc ExistingFunction
1544  call assert_equal(0, exists('*ExistingFunction'))
1545  call writefile([
1546	\ 'func ExistingFunction()', 'echo "yes"', 'endfunc',
1547	\ 'func ExistingFunction()', 'echo "no"', 'endfunc',
1548	\ ], 'Xfuncexists')
1549  call assert_fails('source Xfuncexists', 'E122:')
1550  call assert_equal(1, exists('*ExistingFunction'))
1551
1552  call delete('Xfuncexists2')
1553  call delete('Xfuncexists')
1554  delfunc ExistingFunction
1555endfunc
1556
1557" Test confirm({msg} [, {choices} [, {default} [, {type}]]])
1558func Test_confirm()
1559  CheckUnix
1560  CheckNotGui
1561
1562  call feedkeys('o', 'L')
1563  let a = confirm('Press O to proceed')
1564  call assert_equal(1, a)
1565
1566  call feedkeys('y', 'L')
1567  let a = 'Are you sure?'->confirm("&Yes\n&No")
1568  call assert_equal(1, a)
1569
1570  call feedkeys('n', 'L')
1571  let a = confirm('Are you sure?', "&Yes\n&No")
1572  call assert_equal(2, a)
1573
1574  " confirm() should return 0 when pressing CTRL-C.
1575  call feedkeys("\<C-c>", 'L')
1576  let a = confirm('Are you sure?', "&Yes\n&No")
1577  call assert_equal(0, a)
1578
1579  " <Esc> requires another character to avoid it being seen as the start of an
1580  " escape sequence.  Zero should be harmless.
1581  eval "\<Esc>0"->feedkeys('L')
1582  let a = confirm('Are you sure?', "&Yes\n&No")
1583  call assert_equal(0, a)
1584
1585  " Default choice is returned when pressing <CR>.
1586  call feedkeys("\<CR>", 'L')
1587  let a = confirm('Are you sure?', "&Yes\n&No")
1588  call assert_equal(1, a)
1589
1590  call feedkeys("\<CR>", 'L')
1591  let a = confirm('Are you sure?', "&Yes\n&No", 2)
1592  call assert_equal(2, a)
1593
1594  call feedkeys("\<CR>", 'L')
1595  let a = confirm('Are you sure?', "&Yes\n&No", 0)
1596  call assert_equal(0, a)
1597
1598  " Test with the {type} 4th argument
1599  for type in ['Error', 'Question', 'Info', 'Warning', 'Generic']
1600    call feedkeys('y', 'L')
1601    let a = confirm('Are you sure?', "&Yes\n&No\n", 1, type)
1602    call assert_equal(1, a)
1603  endfor
1604
1605  call assert_fails('call confirm([])', 'E730:')
1606  call assert_fails('call confirm("Are you sure?", [])', 'E730:')
1607  call assert_fails('call confirm("Are you sure?", "&Yes\n&No\n", [])', 'E745:')
1608  call assert_fails('call confirm("Are you sure?", "&Yes\n&No\n", 0, [])', 'E730:')
1609endfunc
1610
1611func Test_platform_name()
1612  " The system matches at most only one name.
1613  let names = ['amiga', 'beos', 'bsd', 'hpux', 'linux', 'mac', 'qnx', 'sun', 'vms', 'win32', 'win32unix']
1614  call assert_inrange(0, 1, len(filter(copy(names), 'has(v:val)')))
1615
1616  " Is Unix?
1617  call assert_equal(has('beos'), has('beos') && has('unix'))
1618  call assert_equal(has('bsd'), has('bsd') && has('unix'))
1619  call assert_equal(has('hpux'), has('hpux') && has('unix'))
1620  call assert_equal(has('linux'), has('linux') && has('unix'))
1621  call assert_equal(has('mac'), has('mac') && has('unix'))
1622  call assert_equal(has('qnx'), has('qnx') && has('unix'))
1623  call assert_equal(has('sun'), has('sun') && has('unix'))
1624  call assert_equal(has('win32'), has('win32') && !has('unix'))
1625  call assert_equal(has('win32unix'), has('win32unix') && has('unix'))
1626
1627  if has('unix') && executable('uname')
1628    let uname = system('uname')
1629    call assert_equal(uname =~? 'BeOS', has('beos'))
1630    " GNU userland on BSD kernels (e.g., GNU/kFreeBSD) don't have BSD defined
1631    call assert_equal(uname =~? '\%(GNU/k\w\+\)\@<!BSD\|DragonFly', has('bsd'))
1632    call assert_equal(uname =~? 'HP-UX', has('hpux'))
1633    call assert_equal(uname =~? 'Linux', has('linux'))
1634    call assert_equal(uname =~? 'Darwin', has('mac'))
1635    call assert_equal(uname =~? 'QNX', has('qnx'))
1636    call assert_equal(uname =~? 'SunOS', has('sun'))
1637    call assert_equal(uname =~? 'CYGWIN\|MSYS', has('win32unix'))
1638  endif
1639endfunc
1640
1641func Test_readdir()
1642  call mkdir('Xdir')
1643  call writefile([], 'Xdir/foo.txt')
1644  call writefile([], 'Xdir/bar.txt')
1645  call mkdir('Xdir/dir')
1646
1647  " All results
1648  let files = readdir('Xdir')
1649  call assert_equal(['bar.txt', 'dir', 'foo.txt'], sort(files))
1650
1651  " Only results containing "f"
1652  let files = 'Xdir'->readdir({ x -> stridx(x, 'f') !=- 1 })
1653  call assert_equal(['foo.txt'], sort(files))
1654
1655  " Only .txt files
1656  let files = readdir('Xdir', { x -> x =~ '.txt$' })
1657  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
1658
1659  " Only .txt files with string
1660  let files = readdir('Xdir', 'v:val =~ ".txt$"')
1661  call assert_equal(['bar.txt', 'foo.txt'], sort(files))
1662
1663  " Limit to 1 result.
1664  let l = []
1665  let files = readdir('Xdir', {x -> len(add(l, x)) == 2 ? -1 : 1})
1666  call assert_equal(1, len(files))
1667
1668  " Nested readdir() must not crash
1669  let files = readdir('Xdir', 'readdir("Xdir", "1") != []')
1670  call sort(files)->assert_equal(['bar.txt', 'dir', 'foo.txt'])
1671
1672  eval 'Xdir'->delete('rf')
1673endfunc
1674
1675func Test_delete_rf()
1676  call mkdir('Xdir')
1677  call writefile([], 'Xdir/foo.txt')
1678  call writefile([], 'Xdir/bar.txt')
1679  call mkdir('Xdir/[a-1]')  " issue #696
1680  call writefile([], 'Xdir/[a-1]/foo.txt')
1681  call writefile([], 'Xdir/[a-1]/bar.txt')
1682  call assert_true(filereadable('Xdir/foo.txt'))
1683  call assert_true('Xdir/[a-1]/foo.txt'->filereadable())
1684
1685  call assert_equal(0, delete('Xdir', 'rf'))
1686  call assert_false(filereadable('Xdir/foo.txt'))
1687  call assert_false(filereadable('Xdir/[a-1]/foo.txt'))
1688endfunc
1689
1690func Test_call()
1691  call assert_equal(3, call('len', [123]))
1692  call assert_equal(3, 'len'->call([123]))
1693  call assert_fails("call call('len', 123)", 'E714:')
1694  call assert_equal(0, call('', []))
1695
1696  function Mylen() dict
1697     return len(self.data)
1698  endfunction
1699  let mydict = {'data': [0, 1, 2, 3], 'len': function("Mylen")}
1700  eval mydict.len->call([], mydict)->assert_equal(4)
1701  call assert_fails("call call('Mylen', [], 0)", 'E715:')
1702endfunc
1703
1704func Test_char2nr()
1705  call assert_equal(12354, char2nr('あ', 1))
1706  call assert_equal(120, 'x'->char2nr())
1707endfunc
1708
1709func Test_eventhandler()
1710  call assert_equal(0, eventhandler())
1711endfunc
1712
1713func Test_bufadd_bufload()
1714  call assert_equal(0, bufexists('someName'))
1715  let buf = bufadd('someName')
1716  call assert_notequal(0, buf)
1717  call assert_equal(1, bufexists('someName'))
1718  call assert_equal(0, getbufvar(buf, '&buflisted'))
1719  call assert_equal(0, bufloaded(buf))
1720  call bufload(buf)
1721  call assert_equal(1, bufloaded(buf))
1722  call assert_equal([''], getbufline(buf, 1, '$'))
1723
1724  let curbuf = bufnr('')
1725  eval ['some', 'text']->writefile('XotherName')
1726  let buf = 'XotherName'->bufadd()
1727  call assert_notequal(0, buf)
1728  eval 'XotherName'->bufexists()->assert_equal(1)
1729  call assert_equal(0, getbufvar(buf, '&buflisted'))
1730  call assert_equal(0, bufloaded(buf))
1731  eval buf->bufload()
1732  call assert_equal(1, bufloaded(buf))
1733  call assert_equal(['some', 'text'], getbufline(buf, 1, '$'))
1734  call assert_equal(curbuf, bufnr(''))
1735
1736  let buf1 = bufadd('')
1737  let buf2 = bufadd('')
1738  call assert_notequal(0, buf1)
1739  call assert_notequal(0, buf2)
1740  call assert_notequal(buf1, buf2)
1741  call assert_equal(1, bufexists(buf1))
1742  call assert_equal(1, bufexists(buf2))
1743  call assert_equal(0, bufloaded(buf1))
1744  exe 'bwipe ' .. buf1
1745  call assert_equal(0, bufexists(buf1))
1746  call assert_equal(1, bufexists(buf2))
1747  exe 'bwipe ' .. buf2
1748  call assert_equal(0, bufexists(buf2))
1749
1750  bwipe someName
1751  bwipe XotherName
1752  call assert_equal(0, bufexists('someName'))
1753  call delete('XotherName')
1754endfunc
1755
1756func Test_state()
1757  CheckRunVimInTerminal
1758
1759  let lines =<< trim END
1760	call setline(1, ['one', 'two', 'three'])
1761	map ;; gg
1762	set complete=.
1763	func RunTimer()
1764	  call timer_start(10, {id -> execute('let g:state = state()') .. execute('let g:mode = mode()')})
1765	endfunc
1766	au Filetype foobar let g:state = state()|let g:mode = mode()
1767  END
1768  call writefile(lines, 'XState')
1769  let buf = RunVimInTerminal('-S XState', #{rows: 6})
1770
1771  " Using a ":" command Vim is busy, thus "S" is returned
1772  call term_sendkeys(buf, ":echo 'state: ' .. state() .. '; mode: ' .. mode()\<CR>")
1773  call WaitForAssert({-> assert_match('state: S; mode: n', term_getline(buf, 6))}, 1000)
1774  call term_sendkeys(buf, ":\<CR>")
1775
1776  " Using a timer callback
1777  call term_sendkeys(buf, ":call RunTimer()\<CR>")
1778  call term_wait(buf, 50)
1779  let getstate = ":echo 'state: ' .. g:state .. '; mode: ' .. g:mode\<CR>"
1780  call term_sendkeys(buf, getstate)
1781  call WaitForAssert({-> assert_match('state: c; mode: n', term_getline(buf, 6))}, 1000)
1782
1783  " Halfway a mapping
1784  call term_sendkeys(buf, ":call RunTimer()\<CR>;")
1785  call term_wait(buf, 50)
1786  call term_sendkeys(buf, ";")
1787  call term_sendkeys(buf, getstate)
1788  call WaitForAssert({-> assert_match('state: mSc; mode: n', term_getline(buf, 6))}, 1000)
1789
1790  " Insert mode completion (bit slower on Mac)
1791  call term_sendkeys(buf, ":call RunTimer()\<CR>Got\<C-N>")
1792  call term_wait(buf, 200)
1793  call term_sendkeys(buf, "\<Esc>")
1794  call term_sendkeys(buf, getstate)
1795  call WaitForAssert({-> assert_match('state: aSc; mode: i', term_getline(buf, 6))}, 1000)
1796
1797  " Autocommand executing
1798  call term_sendkeys(buf, ":set filetype=foobar\<CR>")
1799  call term_wait(buf, 50)
1800  call term_sendkeys(buf, getstate)
1801  call WaitForAssert({-> assert_match('state: xS; mode: n', term_getline(buf, 6))}, 1000)
1802
1803  " Todo: "w" - waiting for ch_evalexpr()
1804
1805  " messages scrolled
1806  call term_sendkeys(buf, ":call RunTimer()\<CR>:echo \"one\\ntwo\\nthree\"\<CR>")
1807  call term_wait(buf, 50)
1808  call term_sendkeys(buf, "\<CR>")
1809  call term_sendkeys(buf, getstate)
1810  call WaitForAssert({-> assert_match('state: Scs; mode: r', term_getline(buf, 6))}, 1000)
1811
1812  call StopVimInTerminal(buf)
1813  call delete('XState')
1814endfunc
1815
1816func Test_range()
1817  " destructuring
1818  let [x, y] = range(2)
1819  call assert_equal([0, 1], [x, y])
1820
1821  " index
1822  call assert_equal(4, range(1, 10)[3])
1823
1824  " add()
1825  call assert_equal([0, 1, 2, 3], add(range(3), 3))
1826  call assert_equal([0, 1, 2, [0, 1, 2]], add([0, 1, 2], range(3)))
1827  call assert_equal([0, 1, 2, [0, 1, 2]], add(range(3), range(3)))
1828
1829  " append()
1830  new
1831  call append('.', range(5))
1832  call assert_equal(['', '0', '1', '2', '3', '4'], getline(1, '$'))
1833  bwipe!
1834
1835  " appendbufline()
1836  new
1837  call appendbufline(bufnr(''), '.', range(5))
1838  call assert_equal(['0', '1', '2', '3', '4', ''], getline(1, '$'))
1839  bwipe!
1840
1841  " call()
1842  func TwoArgs(a, b)
1843    return [a:a, a:b]
1844  endfunc
1845  call assert_equal([0, 1], call('TwoArgs', range(2)))
1846
1847  " col()
1848  new
1849  call setline(1, ['foo', 'bar'])
1850  call assert_equal(2, col(range(1, 2)))
1851  bwipe!
1852
1853  " complete()
1854  execute "normal! a\<C-r>=[complete(col('.'), range(10)), ''][1]\<CR>"
1855  " complete_info()
1856  execute "normal! a\<C-r>=[complete(col('.'), range(10)), ''][1]\<CR>\<C-r>=[complete_info(range(5)), ''][1]\<CR>"
1857
1858  " copy()
1859  call assert_equal([1, 2, 3], copy(range(1, 3)))
1860
1861  " count()
1862  call assert_equal(0, count(range(0), 3))
1863  call assert_equal(0, count(range(2), 3))
1864  call assert_equal(1, count(range(5), 3))
1865
1866  " cursor()
1867  new
1868  call setline(1, ['aaa', 'bbb', 'ccc'])
1869  call cursor(range(1, 2))
1870  call assert_equal([2, 1], [col('.'), line('.')])
1871  bwipe!
1872
1873  " deepcopy()
1874  call assert_equal([1, 2, 3], deepcopy(range(1, 3)))
1875
1876  " empty()
1877  call assert_true(empty(range(0)))
1878  call assert_false(empty(range(2)))
1879
1880  " execute()
1881  new
1882  call setline(1, ['aaa', 'bbb', 'ccc'])
1883  call execute(range(3))
1884  call assert_equal(2, line('.'))
1885  bwipe!
1886
1887  " extend()
1888  call assert_equal([1, 2, 3, 4], extend([1], range(2, 4)))
1889  call assert_equal([1, 2, 3, 4], extend(range(1, 1), range(2, 4)))
1890  call assert_equal([1, 2, 3, 4], extend(range(1, 1), [2, 3, 4]))
1891
1892  " filter()
1893  call assert_equal([1, 3], filter(range(5), 'v:val % 2'))
1894
1895  " funcref()
1896  call assert_equal([0, 1], funcref('TwoArgs', range(2))())
1897
1898  " function()
1899  call assert_equal([0, 1], function('TwoArgs', range(2))())
1900
1901  " garbagecollect()
1902  let thelist = [1, range(2), 3]
1903  let otherlist = range(3)
1904  call test_garbagecollect_now()
1905
1906  " get()
1907  call assert_equal(4, get(range(1, 10), 3))
1908  call assert_equal(-1, get(range(1, 10), 42, -1))
1909
1910  " index()
1911  call assert_equal(1, index(range(1, 5), 2))
1912
1913  " inputlist()
1914  call feedkeys(":let result = inputlist(range(10))\<CR>1\<CR>", 'x')
1915  call assert_equal(1, result)
1916  call feedkeys(":let result = inputlist(range(3, 10))\<CR>1\<CR>", 'x')
1917  call assert_equal(1, result)
1918
1919  " insert()
1920  call assert_equal([42, 1, 2, 3, 4, 5], insert(range(1, 5), 42))
1921  call assert_equal([42, 1, 2, 3, 4, 5], insert(range(1, 5), 42, 0))
1922  call assert_equal([1, 42, 2, 3, 4, 5], insert(range(1, 5), 42, 1))
1923  call assert_equal([1, 2, 3, 4, 42, 5], insert(range(1, 5), 42, 4))
1924  call assert_equal([1, 2, 3, 4, 42, 5], insert(range(1, 5), 42, -1))
1925  call assert_equal([1, 2, 3, 4, 5, 42], insert(range(1, 5), 42, 5))
1926
1927  " join()
1928  call assert_equal('0 1 2 3 4', join(range(5)))
1929
1930  " json_encode()
1931  call assert_equal('[0,1,2,3]', json_encode(range(4)))
1932
1933  " len()
1934  call assert_equal(0, len(range(0)))
1935  call assert_equal(2, len(range(2)))
1936  call assert_equal(5, len(range(0, 12, 3)))
1937  call assert_equal(4, len(range(3, 0, -1)))
1938
1939  " list2str()
1940  call assert_equal('ABC', list2str(range(65, 67)))
1941
1942  " lock()
1943  let thelist = range(5)
1944  lockvar thelist
1945
1946  " map()
1947  call assert_equal([0, 2, 4, 6, 8], map(range(5), 'v:val * 2'))
1948
1949  " match()
1950  call assert_equal(3, match(range(5), 3))
1951
1952  " matchaddpos()
1953  highlight MyGreenGroup ctermbg=green guibg=green
1954  call matchaddpos('MyGreenGroup', range(line('.'), line('.')))
1955
1956  " matchend()
1957  call assert_equal(4, matchend(range(5), '4'))
1958  call assert_equal(3, matchend(range(1, 5), '4'))
1959  call assert_equal(-1, matchend(range(1, 5), '42'))
1960
1961  " matchstrpos()
1962  call assert_equal(['4', 4, 0, 1], matchstrpos(range(5), '4'))
1963  call assert_equal(['4', 3, 0, 1], matchstrpos(range(1, 5), '4'))
1964  call assert_equal(['', -1, -1, -1], matchstrpos(range(1, 5), '42'))
1965
1966  " max() reverse()
1967  call assert_equal(0, max(range(0)))
1968  call assert_equal(0, max(range(10, 9)))
1969  call assert_equal(9, max(range(10)))
1970  call assert_equal(18, max(range(0, 20, 3)))
1971  call assert_equal(20, max(range(20, 0, -3)))
1972  call assert_equal(99999, max(range(100000)))
1973  call assert_equal(99999, max(range(99999, 0, -1)))
1974  call assert_equal(99999, max(reverse(range(100000))))
1975  call assert_equal(99999, max(reverse(range(99999, 0, -1))))
1976
1977  " min() reverse()
1978  call assert_equal(0, min(range(0)))
1979  call assert_equal(0, min(range(10, 9)))
1980  call assert_equal(5, min(range(5, 10)))
1981  call assert_equal(5, min(range(5, 10, 3)))
1982  call assert_equal(2, min(range(20, 0, -3)))
1983  call assert_equal(0, min(range(100000)))
1984  call assert_equal(0, min(range(99999, 0, -1)))
1985  call assert_equal(0, min(reverse(range(100000))))
1986  call assert_equal(0, min(reverse(range(99999, 0, -1))))
1987
1988  " remove()
1989  call assert_equal(1, remove(range(1, 10), 0))
1990  call assert_equal(2, remove(range(1, 10), 1))
1991  call assert_equal(9, remove(range(1, 10), 8))
1992  call assert_equal(10, remove(range(1, 10), 9))
1993  call assert_equal(10, remove(range(1, 10), -1))
1994  call assert_equal([3, 4, 5], remove(range(1, 10), 2, 4))
1995
1996  " repeat()
1997  call assert_equal([0, 1, 2, 0, 1, 2], repeat(range(3), 2))
1998  call assert_equal([0, 1, 2], repeat(range(3), 1))
1999  call assert_equal([], repeat(range(3), 0))
2000  call assert_equal([], repeat(range(5, 4), 2))
2001  call assert_equal([], repeat(range(5, 4), 0))
2002
2003  " reverse()
2004  call assert_equal([2, 1, 0], reverse(range(3)))
2005  call assert_equal([0, 1, 2, 3], reverse(range(3, 0, -1)))
2006  call assert_equal([9, 8, 7, 6, 5, 4, 3, 2, 1, 0], reverse(range(10)))
2007  call assert_equal([20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10], reverse(range(10, 20)))
2008  call assert_equal([16, 13, 10], reverse(range(10, 18, 3)))
2009  call assert_equal([19, 16, 13, 10], reverse(range(10, 19, 3)))
2010  call assert_equal([19, 16, 13, 10], reverse(range(10, 20, 3)))
2011  call assert_equal([11, 14, 17, 20], reverse(range(20, 10, -3)))
2012  call assert_equal([], reverse(range(0)))
2013
2014  " TODO: setpos()
2015  " new
2016  " call setline(1, repeat([''], bufnr('')))
2017  " call setline(bufnr('') + 1, repeat('x', bufnr('') * 2 + 6))
2018  " call setpos('x', range(bufnr(''), bufnr('') + 3))
2019  " bwipe!
2020
2021  " setreg()
2022  call setreg('a', range(3))
2023  call assert_equal("0\n1\n2\n", getreg('a'))
2024
2025  " settagstack()
2026  call settagstack(1, #{items : range(4)})
2027
2028  " sign_define()
2029  call assert_fails("call sign_define(range(5))", "E715:")
2030  call assert_fails("call sign_placelist(range(5))", "E715:")
2031
2032  " sign_undefine()
2033  call assert_fails("call sign_undefine(range(5))", "E908:")
2034
2035  " sign_unplacelist()
2036  call assert_fails("call sign_unplacelist(range(5))", "E715:")
2037
2038  " sort()
2039  call assert_equal([0, 1, 2, 3, 4, 5], sort(range(5, 0, -1)))
2040
2041  " string()
2042  call assert_equal('[0, 1, 2, 3, 4]', string(range(5)))
2043
2044  " taglist() with 'tagfunc'
2045  func TagFunc(pattern, flags, info)
2046    return range(10)
2047  endfunc
2048  set tagfunc=TagFunc
2049  call assert_fails("call taglist('asdf')", 'E987:')
2050  set tagfunc=
2051
2052  " term_start()
2053  if has('terminal') && has('termguicolors')
2054    call assert_fails('call term_start(range(3, 4))', 'E474:')
2055    let g:terminal_ansi_colors = range(16)
2056    if has('win32')
2057      let cmd = "cmd /c dir"
2058    else
2059      let cmd = "ls"
2060    endif
2061    call assert_fails('call term_start("' .. cmd .. '", #{term_finish: "close"})', 'E475:')
2062    unlet g:terminal_ansi_colors
2063  endif
2064
2065  " type()
2066  call assert_equal(v:t_list, type(range(5)))
2067
2068  " uniq()
2069  call assert_equal([0, 1, 2, 3, 4], uniq(range(5)))
2070endfunc
2071
2072func Test_echoraw()
2073  CheckScreendump
2074
2075  " Normally used for escape codes, but let's test with a CR.
2076  let lines =<< trim END
2077    call echoraw("hello\<CR>x")
2078  END
2079  call writefile(lines, 'XTest_echoraw')
2080  let buf = RunVimInTerminal('-S XTest_echoraw', {'rows': 5, 'cols': 40})
2081  call VerifyScreenDump(buf, 'Test_functions_echoraw', {})
2082
2083  " clean up
2084  call StopVimInTerminal(buf)
2085  call delete('XTest_echoraw')
2086endfunc
2087
2088" vim: shiftwidth=2 sts=2 expandtab
2089