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