xref: /vim-8.2.3635/src/testdir/test_options.vim (revision 81ea1dfb)
1" Test for options
2
3source check.vim
4source view_util.vim
5
6func Test_whichwrap()
7  set whichwrap=b,s
8  call assert_equal('b,s', &whichwrap)
9
10  set whichwrap+=h,l
11  call assert_equal('b,s,h,l', &whichwrap)
12
13  set whichwrap+=h,l
14  call assert_equal('b,s,h,l', &whichwrap)
15
16  set whichwrap+=h,l
17  call assert_equal('b,s,h,l', &whichwrap)
18
19  set whichwrap=h,h
20  call assert_equal('h', &whichwrap)
21
22  set whichwrap=h,h,h
23  call assert_equal('h', &whichwrap)
24
25  " For compatibility with Vim 3.0 and before, number values are also
26  " supported for 'whichwrap'
27  set whichwrap=1
28  call assert_equal('b', &whichwrap)
29  set whichwrap=2
30  call assert_equal('s', &whichwrap)
31  set whichwrap=4
32  call assert_equal('h,l', &whichwrap)
33  set whichwrap=8
34  call assert_equal('<,>', &whichwrap)
35  set whichwrap=16
36  call assert_equal('[,]', &whichwrap)
37  set whichwrap=31
38  call assert_equal('b,s,h,l,<,>,[,]', &whichwrap)
39
40  set whichwrap&
41endfunc
42
43func Test_isfname()
44  " This used to cause Vim to access uninitialized memory.
45  set isfname=
46  call assert_equal("~X", expand("~X"))
47  set isfname&
48endfunc
49
50func Test_wildchar()
51  " Empty 'wildchar' used to access invalid memory.
52  call assert_fails('set wildchar=', 'E521:')
53  call assert_fails('set wildchar=abc', 'E521:')
54  set wildchar=<Esc>
55  let a=execute('set wildchar?')
56  call assert_equal("\n  wildchar=<Esc>", a)
57  set wildchar=27
58  let a=execute('set wildchar?')
59  call assert_equal("\n  wildchar=<Esc>", a)
60  set wildchar&
61endfunc
62
63func Test_options_command()
64  let caught = 'ok'
65  try
66    options
67  catch
68    let caught = v:throwpoint . "\n" . v:exception
69  endtry
70  call assert_equal('ok', caught)
71
72  " Check if the option-window is opened horizontally.
73  wincmd j
74  call assert_notequal('option-window', bufname(''))
75  wincmd k
76  call assert_equal('option-window', bufname(''))
77  " close option-window
78  close
79
80  " Open the option-window vertically.
81  vert options
82  " Check if the option-window is opened vertically.
83  wincmd l
84  call assert_notequal('option-window', bufname(''))
85  wincmd h
86  call assert_equal('option-window', bufname(''))
87  " close option-window
88  close
89
90  " Open the option-window in a new tab.
91  tab options
92  " Check if the option-window is opened in a tab.
93  normal gT
94  call assert_notequal('option-window', bufname(''))
95  normal gt
96  call assert_equal('option-window', bufname(''))
97
98  " close option-window
99  close
100
101  " Open the options window browse
102  if has('browse')
103    browse set
104    call assert_equal('option-window', bufname(''))
105    close
106  endif
107endfunc
108
109func Test_path_keep_commas()
110  " Test that changing 'path' keeps two commas.
111  set path=foo,,bar
112  set path-=bar
113  set path+=bar
114  call assert_equal('foo,,bar', &path)
115
116  set path&
117endfunc
118
119func Test_signcolumn()
120  if has('signs')
121    call assert_equal("auto", &signcolumn)
122    set signcolumn=yes
123    set signcolumn=no
124    call assert_fails('set signcolumn=nope')
125  endif
126endfunc
127
128func Test_filetype_valid()
129  set ft=valid_name
130  call assert_equal("valid_name", &filetype)
131  set ft=valid-name
132  call assert_equal("valid-name", &filetype)
133
134  call assert_fails(":set ft=wrong;name", "E474:")
135  call assert_fails(":set ft=wrong\\\\name", "E474:")
136  call assert_fails(":set ft=wrong\\|name", "E474:")
137  call assert_fails(":set ft=wrong/name", "E474:")
138  call assert_fails(":set ft=wrong\\\nname", "E474:")
139  call assert_equal("valid-name", &filetype)
140
141  exe "set ft=trunc\x00name"
142  call assert_equal("trunc", &filetype)
143endfunc
144
145func Test_syntax_valid()
146  if !has('syntax')
147    return
148  endif
149  set syn=valid_name
150  call assert_equal("valid_name", &syntax)
151  set syn=valid-name
152  call assert_equal("valid-name", &syntax)
153
154  call assert_fails(":set syn=wrong;name", "E474:")
155  call assert_fails(":set syn=wrong\\\\name", "E474:")
156  call assert_fails(":set syn=wrong\\|name", "E474:")
157  call assert_fails(":set syn=wrong/name", "E474:")
158  call assert_fails(":set syn=wrong\\\nname", "E474:")
159  call assert_equal("valid-name", &syntax)
160
161  exe "set syn=trunc\x00name"
162  call assert_equal("trunc", &syntax)
163endfunc
164
165func Test_keymap_valid()
166  if !has('keymap')
167    return
168  endif
169  call assert_fails(":set kmp=valid_name", "E544:")
170  call assert_fails(":set kmp=valid_name", "valid_name")
171  call assert_fails(":set kmp=valid-name", "E544:")
172  call assert_fails(":set kmp=valid-name", "valid-name")
173
174  call assert_fails(":set kmp=wrong;name", "E474:")
175  call assert_fails(":set kmp=wrong\\\\name", "E474:")
176  call assert_fails(":set kmp=wrong\\|name", "E474:")
177  call assert_fails(":set kmp=wrong/name", "E474:")
178  call assert_fails(":set kmp=wrong\\\nname", "E474:")
179
180  call assert_fails(":set kmp=trunc\x00name", "E544:")
181  call assert_fails(":set kmp=trunc\x00name", "trunc")
182endfunc
183
184func Check_dir_option(name)
185  " Check that it's possible to set the option.
186  exe 'set ' . a:name . '=/usr/share/dict/words'
187  call assert_equal('/usr/share/dict/words', eval('&' . a:name))
188  exe 'set ' . a:name . '=/usr/share/dict/words,/and/there'
189  call assert_equal('/usr/share/dict/words,/and/there', eval('&' . a:name))
190  exe 'set ' . a:name . '=/usr/share/dict\ words'
191  call assert_equal('/usr/share/dict words', eval('&' . a:name))
192
193  " Check rejecting weird characters.
194  call assert_fails("set " . a:name . "=/not&there", "E474:")
195  call assert_fails("set " . a:name . "=/not>there", "E474:")
196  call assert_fails("set " . a:name . "=/not.*there", "E474:")
197endfunc
198
199func Test_cinkeys()
200  " This used to cause invalid memory access
201  set cindent cinkeys=0
202  norm a
203  set cindent& cinkeys&
204endfunc
205
206func Test_dictionary()
207  call Check_dir_option('dictionary')
208endfunc
209
210func Test_thesaurus()
211  call Check_dir_option('thesaurus')
212endfun
213
214func Test_complete()
215  " Trailing single backslash used to cause invalid memory access.
216  set complete=s\
217  new
218  call feedkeys("i\<C-N>\<Esc>", 'xt')
219  bwipe!
220  call assert_fails('set complete=ix', 'E535:')
221  set complete&
222endfun
223
224func Test_set_completion()
225  call feedkeys(":set di\<C-A>\<C-B>\"\<CR>", 'tx')
226  call assert_equal('"set dictionary diff diffexpr diffopt digraph directory display', @:)
227
228  call feedkeys(":setlocal di\<C-A>\<C-B>\"\<CR>", 'tx')
229  call assert_equal('"setlocal dictionary diff diffexpr diffopt digraph directory display', @:)
230
231  call feedkeys(":setglobal di\<C-A>\<C-B>\"\<CR>", 'tx')
232  call assert_equal('"setglobal dictionary diff diffexpr diffopt digraph directory display', @:)
233
234  " Expand boolan options. When doing :set no<Tab>
235  " vim displays the options names without "no" but completion uses "no...".
236  call feedkeys(":set nodi\<C-A>\<C-B>\"\<CR>", 'tx')
237  call assert_equal('"set nodiff digraph', @:)
238
239  call feedkeys(":set invdi\<C-A>\<C-B>\"\<CR>", 'tx')
240  call assert_equal('"set invdiff digraph', @:)
241
242  " Expand abbreviation of options.
243  call feedkeys(":set ts\<C-A>\<C-B>\"\<CR>", 'tx')
244  call assert_equal('"set tabstop thesaurus ttyscroll', @:)
245
246  " Expand current value
247  call feedkeys(":set fileencodings=\<C-A>\<C-B>\"\<CR>", 'tx')
248  call assert_equal('"set fileencodings=ucs-bom,utf-8,default,latin1', @:)
249
250  call feedkeys(":set fileencodings:\<C-A>\<C-B>\"\<CR>", 'tx')
251  call assert_equal('"set fileencodings:ucs-bom,utf-8,default,latin1', @:)
252
253  " Expand key codes.
254  call feedkeys(":set <H\<C-A>\<C-B>\"\<CR>", 'tx')
255  call assert_equal('"set <Help> <Home>', @:)
256
257  " Expand terminal options.
258  call feedkeys(":set t_A\<C-A>\<C-B>\"\<CR>", 'tx')
259  call assert_equal('"set t_AB t_AF t_AL', @:)
260
261  " Expand directories.
262  call feedkeys(":set cdpath=./\<C-A>\<C-B>\"\<CR>", 'tx')
263  call assert_match(' ./samples/ ', @:)
264  call assert_notmatch(' ./small.vim ', @:)
265
266  " Expand files and directories.
267  call feedkeys(":set tags=./\<C-A>\<C-B>\"\<CR>", 'tx')
268  call assert_match(' ./samples/.* ./small.vim', @:)
269
270  call feedkeys(":set tags=./\\\\ dif\<C-A>\<C-B>\"\<CR>", 'tx')
271  call assert_equal('"set tags=./\\ diff diffexpr diffopt', @:)
272
273  set tags&
274endfunc
275
276func Test_set_errors()
277  call assert_fails('set scroll=-1', 'E49:')
278  call assert_fails('set backupcopy=', 'E474:')
279  call assert_fails('set regexpengine=3', 'E474:')
280  call assert_fails('set history=10001', 'E474:')
281  call assert_fails('set numberwidth=21', 'E474:')
282  call assert_fails('set colorcolumn=-a', 'E474:')
283  call assert_fails('set colorcolumn=a', 'E474:')
284  call assert_fails('set colorcolumn=1,', 'E474:')
285  call assert_fails('set colorcolumn=1;', 'E474:')
286  call assert_fails('set cmdheight=-1', 'E487:')
287  call assert_fails('set cmdwinheight=-1', 'E487:')
288  if has('conceal')
289    call assert_fails('set conceallevel=-1', 'E487:')
290    call assert_fails('set conceallevel=4', 'E474:')
291  endif
292  call assert_fails('set helpheight=-1', 'E487:')
293  call assert_fails('set history=-1', 'E487:')
294  call assert_fails('set report=-1', 'E487:')
295  call assert_fails('set shiftwidth=-1', 'E487:')
296  call assert_fails('set sidescroll=-1', 'E487:')
297  call assert_fails('set tabstop=-1', 'E487:')
298  call assert_fails('set textwidth=-1', 'E487:')
299  call assert_fails('set timeoutlen=-1', 'E487:')
300  call assert_fails('set updatecount=-1', 'E487:')
301  call assert_fails('set updatetime=-1', 'E487:')
302  call assert_fails('set winheight=-1', 'E487:')
303  call assert_fails('set tabstop!', 'E488:')
304  call assert_fails('set xxx', 'E518:')
305  call assert_fails('set beautify?', 'E519:')
306  call assert_fails('set undolevels=x', 'E521:')
307  call assert_fails('set tabstop=', 'E521:')
308  call assert_fails('set comments=-', 'E524:')
309  call assert_fails('set comments=a', 'E525:')
310  call assert_fails('set foldmarker=x', 'E536:')
311  call assert_fails('set commentstring=x', 'E537:')
312  call assert_fails('set complete=x', 'E539:')
313  call assert_fails('set statusline=%{', 'E540:')
314  call assert_fails('set statusline=' . repeat("%p", 81), 'E541:')
315  call assert_fails('set statusline=%(', 'E542:')
316  if has('cursorshape')
317    " This invalid value for 'guicursor' used to cause Vim to crash.
318    call assert_fails('set guicursor=i-ci,r-cr:h', 'E545:')
319    call assert_fails('set guicursor=i-ci', 'E545:')
320    call assert_fails('set guicursor=x', 'E545:')
321    call assert_fails('set guicursor=x:', 'E546:')
322    call assert_fails('set guicursor=r-cr:horx', 'E548:')
323    call assert_fails('set guicursor=r-cr:hor0', 'E549:')
324  endif
325  if has('mouseshape')
326    call assert_fails('se mouseshape=i-r:x', 'E547:')
327  endif
328  call assert_fails('set backupext=~ patchmode=~', 'E589:')
329  call assert_fails('set winminheight=10 winheight=9', 'E591:')
330  call assert_fails('set winminwidth=10 winwidth=9', 'E592:')
331  call assert_fails("set showbreak=\x01", 'E595:')
332  call assert_fails('set t_foo=', 'E846:')
333  call assert_fails('set tabstop??', 'E488:')
334  call assert_fails('set wrapscan!!', 'E488:')
335  call assert_fails('set tabstop&&', 'E488:')
336  call assert_fails('set wrapscan<<', 'E488:')
337  call assert_fails('set wrapscan=1', 'E474:')
338  call assert_fails('set autoindent@', 'E488:')
339  call assert_fails('set wildchar=<abc>', 'E474:')
340  call assert_fails('set cmdheight=1a', 'E521:')
341  if has('python') && has('python3')
342    call assert_fails('set pyxversion=6', 'E474:')
343  endif
344endfunc
345
346func CheckWasSet(name)
347  let verb_cm = execute('verbose set ' .. a:name .. '?')
348  call assert_match('Last set from.*test_options.vim', verb_cm)
349endfunc
350func CheckWasNotSet(name)
351  let verb_cm = execute('verbose set ' .. a:name .. '?')
352  call assert_notmatch('Last set from', verb_cm)
353endfunc
354
355" Must be executed before other tests that set 'term'.
356func Test_000_term_option_verbose()
357  CheckNotGui
358
359  call CheckWasNotSet('t_cm')
360
361  let term_save = &term
362  set term=ansi
363  call CheckWasSet('t_cm')
364  let &term = term_save
365endfunc
366
367func Test_copy_context()
368  setlocal list
369  call CheckWasSet('list')
370  split
371  call CheckWasSet('list')
372  quit
373  setlocal nolist
374
375  set ai
376  call CheckWasSet('ai')
377  set filetype=perl
378  call CheckWasSet('filetype')
379  set fo=tcroq
380  call CheckWasSet('fo')
381
382  split Xsomebuf
383  call CheckWasSet('ai')
384  call CheckWasNotSet('filetype')
385  call CheckWasSet('fo')
386endfunc
387
388func Test_set_ttytype()
389  CheckUnix
390  CheckNotGui
391
392  " Setting 'ttytype' used to cause a double-free when exiting vim and
393  " when vim is compiled with -DEXITFREE.
394  set ttytype=ansi
395  call assert_equal('ansi', &ttytype)
396  call assert_equal(&ttytype, &term)
397  set ttytype=xterm
398  call assert_equal('xterm', &ttytype)
399  call assert_equal(&ttytype, &term)
400  " "set ttytype=" gives E522 instead of E529
401  " in travis on some builds. Why?  Catch both for now
402  try
403    set ttytype=
404    call assert_report('set ttytype= did not fail')
405  catch /E529\|E522/
406  endtry
407
408  " Some systems accept any terminal name and return dumb settings,
409  " check for failure of finding the entry and for missing 'cm' entry.
410  try
411    set ttytype=xxx
412    call assert_report('set ttytype=xxx did not fail')
413  catch /E522\|E437/
414  endtry
415
416  set ttytype&
417  call assert_equal(&ttytype, &term)
418
419  if has('gui') && !has('gui_running')
420    call assert_fails('set term=gui', 'E531:')
421  endif
422endfunc
423
424func Test_set_all()
425  set tw=75
426  set iskeyword=a-z,A-Z
427  set nosplitbelow
428  let out = execute('set all')
429  call assert_match('textwidth=75', out)
430  call assert_match('iskeyword=a-z,A-Z', out)
431  call assert_match('nosplitbelow', out)
432  set tw& iskeyword& splitbelow&
433endfunc
434
435func Test_set_one_column()
436  let out_mult = execute('set all')->split("\n")
437  let out_one = execute('set! all')->split("\n")
438  call assert_true(len(out_mult) < len(out_one))
439endfunc
440
441func Test_set_values()
442  if filereadable('opt_test.vim')
443    source opt_test.vim
444  else
445    throw 'Skipped: opt_test.vim does not exist'
446  endif
447endfunc
448
449func Test_renderoptions()
450  " Only do this for Windows Vista and later, fails on Windows XP and earlier.
451  " Doesn't hurt to do this on a non-Windows system.
452  if windowsversion() !~ '^[345]\.'
453    set renderoptions=type:directx
454    set rop=type:directx
455  endif
456endfunc
457
458func ResetIndentexpr()
459  set indentexpr=
460endfunc
461
462func Test_set_indentexpr()
463  " this was causing usage of freed memory
464  set indentexpr=ResetIndentexpr()
465  new
466  call feedkeys("i\<c-f>", 'x')
467  call assert_equal('', &indentexpr)
468  bwipe!
469endfunc
470
471func Test_backupskip()
472  " Option 'backupskip' may contain several comma-separated path
473  " specifications if one or more of the environment variables TMPDIR, TMP,
474  " or TEMP is defined.  To simplify testing, convert the string value into a
475  " list.
476  let bsklist = split(&bsk, ',')
477
478  if has("mac")
479    let found = (index(bsklist, '/private/tmp/*') >= 0)
480    call assert_true(found, '/private/tmp not in option bsk: ' . &bsk)
481  elseif has("unix")
482    let found = (index(bsklist, '/tmp/*') >= 0)
483    call assert_true(found, '/tmp not in option bsk: ' . &bsk)
484  endif
485
486  " If our test platform is Windows, the path(s) in option bsk will use
487  " backslash for the path separator and the components could be in short
488  " (8.3) format.  As such, we need to replace the backslashes with forward
489  " slashes and convert the path components to long format.  The expand()
490  " function will do this but it cannot handle comma-separated paths.  This is
491  " why bsk was converted from a string into a list of strings above.
492  "
493  " One final complication is that the wildcard "/*" is at the end of each
494  " path and so expand() might return a list of matching files.  To prevent
495  " this, we need to remove the wildcard before calling expand() and then
496  " append it afterwards.
497  if has('win32')
498    let item_nbr = 0
499    while item_nbr < len(bsklist)
500      let path_spec = bsklist[item_nbr]
501      let path_spec = strcharpart(path_spec, 0, strlen(path_spec)-2)
502      let path_spec = substitute(expand(path_spec), '\\', '/', 'g')
503      let bsklist[item_nbr] = path_spec . '/*'
504      let item_nbr += 1
505    endwhile
506  endif
507
508  " Option bsk will also include these environment variables if defined.
509  " If they're defined, verify they appear in the option value.
510  for var in  ['$TMPDIR', '$TMP', '$TEMP']
511    if exists(var)
512      let varvalue = substitute(expand(var), '\\', '/', 'g')
513      let varvalue = substitute(varvalue, '/$', '', '')
514      let varvalue .= '/*'
515      let found = (index(bsklist, varvalue) >= 0)
516      call assert_true(found, var . ' (' . varvalue . ') not in option bsk: ' . &bsk)
517    endif
518  endfor
519
520  " Duplicates should be filtered out (option has P_NODUP)
521  let backupskip = &backupskip
522  set backupskip=
523  set backupskip+=/test/dir
524  set backupskip+=/other/dir
525  set backupskip+=/test/dir
526  call assert_equal('/test/dir,/other/dir', &backupskip)
527  let &backupskip = backupskip
528endfunc
529
530func Test_copy_winopt()
531  set hidden
532
533  " Test copy option from current buffer in window
534  split
535  enew
536  setlocal numberwidth=5
537  wincmd w
538  call assert_equal(4,&numberwidth)
539  bnext
540  call assert_equal(5,&numberwidth)
541  bw!
542  call assert_equal(4,&numberwidth)
543
544  " Test copy value from window that used to be display the buffer
545  split
546  enew
547  setlocal numberwidth=6
548  bnext
549  wincmd w
550  call assert_equal(4,&numberwidth)
551  bnext
552  call assert_equal(6,&numberwidth)
553  bw!
554
555  " Test that if buffer is current, don't use the stale cached value
556  " from the last time the buffer was displayed.
557  split
558  enew
559  setlocal numberwidth=7
560  bnext
561  bnext
562  setlocal numberwidth=8
563  wincmd w
564  call assert_equal(4,&numberwidth)
565  bnext
566  call assert_equal(8,&numberwidth)
567  bw!
568
569  " Test value is not copied if window already has seen the buffer
570  enew
571  split
572  setlocal numberwidth=9
573  bnext
574  setlocal numberwidth=10
575  wincmd w
576  call assert_equal(4,&numberwidth)
577  bnext
578  call assert_equal(4,&numberwidth)
579  bw!
580
581  set hidden&
582endfunc
583
584func Test_shortmess_F()
585  new
586  call assert_match('\[No Name\]', execute('file'))
587  set shortmess+=F
588  call assert_match('\[No Name\]', execute('file'))
589  call assert_match('^\s*$', execute('file foo'))
590  call assert_match('foo', execute('file'))
591  set shortmess-=F
592  call assert_match('bar', execute('file bar'))
593  call assert_match('bar', execute('file'))
594  set shortmess&
595  bwipe
596endfunc
597
598func Test_shortmess_F2()
599  e file1
600  e file2
601  call assert_match('file1', execute('bn', ''))
602  call assert_match('file2', execute('bn', ''))
603  set shortmess+=F
604  call assert_true(empty(execute('bn', '')))
605  call assert_false(test_getvalue('need_fileinfo'))
606  call assert_true(empty(execute('bn', '')))
607  call assert_false('need_fileinfo'->test_getvalue())
608  set hidden
609  call assert_true(empty(execute('bn', '')))
610  call assert_false(test_getvalue('need_fileinfo'))
611  call assert_true(empty(execute('bn', '')))
612  call assert_false(test_getvalue('need_fileinfo'))
613  set nohidden
614  call assert_true(empty(execute('bn', '')))
615  call assert_false(test_getvalue('need_fileinfo'))
616  call assert_true(empty(execute('bn', '')))
617  call assert_false(test_getvalue('need_fileinfo'))
618  set shortmess&
619  call assert_match('file1', execute('bn', ''))
620  call assert_match('file2', execute('bn', ''))
621  bwipe
622  bwipe
623endfunc
624
625func Test_local_scrolloff()
626  set so=5
627  set siso=7
628  split
629  call assert_equal(5, &so)
630  setlocal so=3
631  call assert_equal(3, &so)
632  wincmd w
633  call assert_equal(5, &so)
634  wincmd w
635  setlocal so<
636  call assert_equal(5, &so)
637  setlocal so=0
638  call assert_equal(0, &so)
639  setlocal so=-1
640  call assert_equal(5, &so)
641
642  call assert_equal(7, &siso)
643  setlocal siso=3
644  call assert_equal(3, &siso)
645  wincmd w
646  call assert_equal(7, &siso)
647  wincmd w
648  setlocal siso<
649  call assert_equal(7, &siso)
650  setlocal siso=0
651  call assert_equal(0, &siso)
652  setlocal siso=-1
653  call assert_equal(7, &siso)
654
655  close
656  set so&
657  set siso&
658endfunc
659
660func Test_writedelay()
661  CheckFunction reltimefloat
662
663  new
664  call setline(1, 'empty')
665  redraw
666  set writedelay=10
667  let start = reltime()
668  call setline(1, repeat('x', 70))
669  redraw
670  let elapsed = reltimefloat(reltime(start))
671  set writedelay=0
672  " With 'writedelay' set should take at least 30 * 10 msec
673  call assert_inrange(30 * 0.01, 999.0, elapsed)
674
675  bwipe!
676endfunc
677
678func Test_visualbell()
679  set belloff=
680  set visualbell
681  call assert_beeps('normal 0h')
682  set novisualbell
683  set belloff=all
684endfunc
685
686" Test for the 'write' option
687func Test_write()
688  new
689  call setline(1, ['L1'])
690  set nowrite
691  call assert_fails('write Xfile', 'E142:')
692  set write
693  close!
694endfunc
695
696" Test for 'buftype' option
697func Test_buftype()
698  new
699  call setline(1, ['L1'])
700  set buftype=nowrite
701  call assert_fails('write', 'E382:')
702
703  for val in ['', 'nofile', 'nowrite', 'acwrite', 'quickfix', 'help', 'terminal', 'prompt', 'popup']
704    exe 'set buftype=' .. val
705    call writefile(['something'], 'XBuftype')
706    call assert_fails('write XBuftype', 'E13:', 'with buftype=' .. val)
707  endfor
708
709  call delete('XBuftype')
710  bwipe!
711endfunc
712
713" Test for the 'shell' option
714func Test_shell()
715  CheckUnix
716  let save_shell = &shell
717  set shell=
718  call assert_fails('shell', 'E91:')
719  let &shell = save_shell
720endfunc
721
722" Test for the 'shellquote' option
723func Test_shellquote()
724  CheckUnix
725  set shellquote=#
726  set verbose=20
727  redir => v
728  silent! !echo Hello
729  redir END
730  set verbose&
731  set shellquote&
732  call assert_match(': "#echo Hello#"', v)
733endfunc
734
735" Test for the 'rightleftcmd' option
736func Test_rightleftcmd()
737  CheckFeature rightleft
738  set rightleft
739  set rightleftcmd
740
741  let g:l = []
742  func AddPos()
743    call add(g:l, screencol())
744    return ''
745  endfunc
746  cmap <expr> <F2> AddPos()
747
748  call feedkeys("/\<F2>abc\<Left>\<F2>\<Right>\<Right>\<F2>" ..
749        \ "\<Left>\<F2>\<Esc>", 'xt')
750  call assert_equal([&co - 1, &co - 4, &co - 2, &co - 3], g:l)
751
752  cunmap <F2>
753  unlet g:l
754  set rightleftcmd&
755  set rightleft&
756endfunc
757
758" Test for the "debug" option
759func Test_debug_option()
760  set debug=beep
761  exe "normal \<C-c>"
762  call assert_equal('Beep!', Screenline(&lines))
763  set debug&
764endfunc
765
766" Test for the default CDPATH option
767func Test_opt_default_cdpath()
768  CheckFeature file_in_path
769  let after =<< trim [CODE]
770    call assert_equal(',/path/to/dir1,/path/to/dir2', &cdpath)
771    call writefile(v:errors, 'Xtestout')
772    qall
773  [CODE]
774  if has('unix')
775    let $CDPATH='/path/to/dir1:/path/to/dir2'
776  else
777    let $CDPATH='/path/to/dir1;/path/to/dir2'
778  endif
779  if RunVim([], after, '')
780    call assert_equal([], readfile('Xtestout'))
781    call delete('Xtestout')
782  endif
783endfunc
784
785" Test for setting keycodes using set
786func Test_opt_set_keycode()
787  call assert_fails('set <t_k1=l', 'E474:')
788  call assert_fails('set <Home=l', 'E474:')
789  set <t_k9>=abcd
790  call assert_equal('abcd', &t_k9)
791  set <t_k9>&
792  set <F9>=xyz
793  call assert_equal('xyz', &t_k9)
794  set <t_k9>&
795endfunc
796
797" Test for changing options in a sandbox
798func Test_opt_sandbox()
799  for opt in ['backupdir', 'cdpath', 'exrc']
800    call assert_fails('sandbox set ' .. opt .. '?', 'E48:')
801  endfor
802endfunc
803
804" Test for setting an option with local value to global value
805func Test_opt_local_to_global()
806  setglobal equalprg=gprg
807  setlocal equalprg=lprg
808  call assert_equal('gprg', &g:equalprg)
809  call assert_equal('lprg', &l:equalprg)
810  call assert_equal('lprg', &equalprg)
811  set equalprg<
812  call assert_equal('', &l:equalprg)
813  call assert_equal('gprg', &equalprg)
814  setglobal equalprg=gnewprg
815  setlocal equalprg=lnewprg
816  setlocal equalprg<
817  call assert_equal('gnewprg', &l:equalprg)
818  call assert_equal('gnewprg', &equalprg)
819  set equalprg&
820endfunc
821
822" Test for incrementing, decrementing and multiplying a number option value
823func Test_opt_num_op()
824  set shiftwidth=4
825  set sw+=2
826  call assert_equal(6, &sw)
827  set sw-=2
828  call assert_equal(4, &sw)
829  set sw^=2
830  call assert_equal(8, &sw)
831  set shiftwidth&
832endfunc
833
834" vim: shiftwidth=2 sts=2 expandtab
835