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