summaryrefslogtreecommitdiffstats
path: root/src/testdir/test_substitute.vim
blob: d84daa72121590e41d0e342e267ac4e11d80f01c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
" Tests for multi-line regexps with ":s".

func Test_multiline_subst()
  enew!
  call append(0, ["1 aa",
	      \ "bb",
	      \ "cc",
	      \ "2 dd",
	      \ "ee",
	      \ "3 ef",
	      \ "gh",
	      \ "4 ij",
	      \ "5 a8",
	      \ "8b c9",
	      \ "9d",
	      \ "6 e7",
	      \ "77f",
	      \ "xxxxx"])

  1
  " test if replacing a line break works with a back reference
  /^1/,/^2/s/\n\(.\)/ \1/
  " test if inserting a line break works with a back reference
  /^3/,/^4/s/\(.\)$/\r\1/
  " test if replacing a line break with another line break works
  /^5/,/^6/s/\(\_d\{3}\)/x\1x/
  call assert_equal('1 aa bb cc 2 dd ee', getline(1))
  call assert_equal('3 e', getline(2))
  call assert_equal('f', getline(3))
  call assert_equal('g', getline(4))
  call assert_equal('h', getline(5))
  call assert_equal('4 i', getline(6))
  call assert_equal('j', getline(7))
  call assert_equal('5 ax8', getline(8))
  call assert_equal('8xb cx9', getline(9))
  call assert_equal('9xd', getline(10))
  call assert_equal('6 ex7', getline(11))
  call assert_equal('7x7f', getline(12))
  call assert_equal('xxxxx', getline(13))
  enew!
endfunc

func Test_substitute_variants()
  " Validate that all the 2-/3-letter variants which embed the flags into the
  " command name actually work.
  enew!
  let ln = 'Testing string'
  let variants = [
	\ { 'cmd': ':s/Test/test/c', 'exp': 'testing string', 'prompt': 'y' },
	\ { 'cmd': ':s/foo/bar/ce', 'exp': ln },
	\ { 'cmd': ':s/t/r/cg', 'exp': 'Tesring srring', 'prompt': 'a' },
	\ { 'cmd': ':s/t/r/ci', 'exp': 'resting string', 'prompt': 'y' },
	\ { 'cmd': ':s/t/r/cI', 'exp': 'Tesring string', 'prompt': 'y' },
	\ { 'cmd': ':s/t/r/cn', 'exp': ln },
	\ { 'cmd': ':s/t/r/cp', 'exp': 'Tesring string', 'prompt': 'y' },
	\ { 'cmd': ':s/t/r/cl', 'exp': 'Tesring string', 'prompt': 'y' },
	\ { 'cmd': ':s/t/r/gc', 'exp': 'Tesring srring', 'prompt': 'a' },
	\ { 'cmd': ':s/foo/bar/ge', 'exp': ln },
	\ { 'cmd': ':s/t/r/g', 'exp': 'Tesring srring' },
	\ { 'cmd': ':s/t/r/gi', 'exp': 'resring srring' },
	\ { 'cmd': ':s/t/r/gI', 'exp': 'Tesring srring' },
	\ { 'cmd': ':s/t/r/gn', 'exp': ln },
	\ { 'cmd': ':s/t/r/gp', 'exp': 'Tesring srring' },
	\ { 'cmd': ':s/t/r/gl', 'exp': 'Tesring srring' },
	\ { 'cmd': ':s//r/gr', 'exp': 'Testr strr' },
	\ { 'cmd': ':s/t/r/ic', 'exp': 'resting string', 'prompt': 'y' },
	\ { 'cmd': ':s/foo/bar/ie', 'exp': ln },
	\ { 'cmd': ':s/t/r/i', 'exp': 'resting string' },
	\ { 'cmd': ':s/t/r/iI', 'exp': 'Tesring string' },
	\ { 'cmd': ':s/t/r/in', 'exp': ln },
	\ { 'cmd': ':s/t/r/ip', 'exp': 'resting string' },
	\ { 'cmd': ':s//r/ir', 'exp': 'Testr string' },
	\ { 'cmd': ':s/t/r/Ic', 'exp': 'Tesring string', 'prompt': 'y' },
	\ { 'cmd': ':s/foo/bar/Ie', 'exp': ln },
	\ { 'cmd': ':s/t/r/Ig', 'exp': 'Tesring srring' },
	\ { 'cmd': ':s/t/r/Ii', 'exp': 'resting string' },
	\ { 'cmd': ':s/t/r/I', 'exp': 'Tesring string' },
	\ { 'cmd': ':s/t/r/Ip', 'exp': 'Tesring string' },
	\ { 'cmd': ':s/t/r/Il', 'exp': 'Tesring string' },
	\ { 'cmd': ':s//r/Ir', 'exp': 'Testr string' },
	\ { 'cmd': ':s//r/rc', 'exp': 'Testr string', 'prompt': 'y' },
	\ { 'cmd': ':s//r/rg', 'exp': 'Testr strr' },
	\ { 'cmd': ':s//r/ri', 'exp': 'Testr string' },
	\ { 'cmd': ':s//r/rI', 'exp': 'Testr string' },
	\ { 'cmd': ':s//r/rn', 'exp': 'Testing string' },
	\ { 'cmd': ':s//r/rp', 'exp': 'Testr string' },
	\ { 'cmd': ':s//r/rl', 'exp': 'Testr string' },
	\ { 'cmd': ':s//r/r', 'exp': 'Testr string' },
	\]

  for var in variants
    for run in [1, 2]
      let cmd = var.cmd
      if run == 2 && cmd =~ "/.*/.*/."
	" Change  :s/from/to/{flags}  to  :s{flags}
	let cmd = substitute(cmd, '/.*/', '', '')
      endif
      call setline(1, [ln])
      let msg = printf('using "%s"', cmd)
      let @/='ing'
      let v:errmsg = ''
      call feedkeys(cmd . "\<CR>" . get(var, 'prompt', ''), 'ntx')
      " No error should exist (matters for testing e flag)
      call assert_equal('', v:errmsg, msg)
      call assert_equal(var.exp, getline('.'), msg)
    endfor
  endfor
endfunc

func Test_substitute_repeat()
  " This caused an invalid memory access.
  split Xfile
  s/^/x
  call feedkeys("Qsc\<CR>y", 'tx')
  bwipe!
endfunc

" Test for *sub-replace-special* and *sub-replace-expression* on substitute().
func Test_sub_replace_1()
  " Run the tests with 'magic' on
  set magic
  set cpo&
  call assert_equal('AA', substitute('A', 'A', '&&', ''))
  call assert_equal('&', substitute('B', 'B', '\&', ''))
  call assert_equal('C123456789987654321', substitute('C123456789', 'C\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)', '\0\9\8\7\6\5\4\3\2\1', ''))
  call assert_equal('d', substitute('D', 'D', 'd', ''))
  call assert_equal('~', substitute('E', 'E', '~', ''))
  call assert_equal('~', substitute('F', 'F', '\~', ''))
  call assert_equal('Gg', substitute('G', 'G', '\ugg', ''))
  call assert_equal('Hh', substitute('H', 'H', '\Uh\Eh', ''))
  call assert_equal('iI', substitute('I', 'I', '\lII', ''))
  call assert_equal('jJ', substitute('J', 'J', '\LJ\EJ', ''))
  call assert_equal('Kk', substitute('K', 'K', '\Uk\ek', ''))
  call assert_equal("l\<C-V>\<C-M>l",
			\ substitute('lLl', 'L', "\<C-V>\<C-M>", ''))
  call assert_equal("m\<C-M>m", substitute('mMm', 'M', '\r', ''))
  call assert_equal("n\<C-V>\<C-M>n",
			\ substitute('nNn', 'N', "\\\<C-V>\<C-M>", ''))
  call assert_equal("o\no", substitute('oOo', 'O', '\n', ''))
  call assert_equal("p\<C-H>p", substitute('pPp', 'P', '\b', ''))
  call assert_equal("q\tq", substitute('qQq', 'Q', '\t', ''))
  call assert_equal('r\r', substitute('rRr', 'R', '\\', ''))
  call assert_equal('scs', substitute('sSs', 'S', '\c', ''))
  call assert_equal("u\nu", substitute('uUu', 'U', "\n", ''))
  call assert_equal("v\<C-H>v", substitute('vVv', 'V', "\b", ''))
  call assert_equal("w\\w", substitute('wWw', 'W', "\\", ''))
  call assert_equal("x\<C-M>x", substitute('xXx', 'X', "\r", ''))
  call assert_equal("YyyY", substitute('Y', 'Y', '\L\uyYy\l\EY', ''))
  call assert_equal("zZZz", substitute('Z', 'Z', '\U\lZzZ\u\Ez', ''))
endfunc

func Test_sub_replace_2()
  " Run the tests with 'magic' off
  set nomagic
  set cpo&
  call assert_equal('AA', substitute('A', 'A', '&&', ''))
  call assert_equal('&', substitute('B', 'B', '\&', ''))
  call assert_equal('C123456789987654321', substitute('C123456789', 'C\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)', '\0\9\8\7\6\5\4\3\2\1', ''))
  call assert_equal('d', substitute('D', 'D', 'd', ''))
  call assert_equal('~', substitute('E', 'E', '~', ''))
  call assert_equal('~', substitute('F', 'F', '\~', ''))
  call assert_equal('Gg', substitute('G', 'G', '\ugg', ''))
  call assert_equal('Hh', substitute('H', 'H', '\Uh\Eh', ''))
  call assert_equal('iI', substitute('I', 'I', '\lII', ''))
  call assert_equal('jJ', substitute('J', 'J', '\LJ\EJ', ''))
  call assert_equal('Kk', substitute('K', 'K', '\Uk\ek', ''))
  call assert_equal("l\<C-V>\<C-M>l",
			\ substitute('lLl', 'L', "\<C-V>\<C-M>", ''))
  call assert_equal("m\<C-M>m", substitute('mMm', 'M', '\r', ''))
  call assert_equal("n\<C-V>\<C-M>n",
			\ substitute('nNn', 'N', "\\\<C-V>\<C-M>", ''))
  call assert_equal("o\no", substitute('oOo', 'O', '\n', ''))
  call assert_equal("p\<C-H>p", substitute('pPp', 'P', '\b', ''))
  call assert_equal("q\tq", substitute('qQq', 'Q', '\t', ''))
  call assert_equal('r\r', substitute('rRr', 'R', '\\', ''))
  call assert_equal('scs', substitute('sSs', 'S', '\c', ''))
  call assert_equal("t\<C-M>t", substitute('tTt', 'T', "\r", ''))
  call assert_equal("u\nu", substitute('uUu', 'U', "\n", ''))
  call assert_equal("v\<C-H>v", substitute('vVv', 'V', "\b", ''))
  call assert_equal('w\w', substitute('wWw', 'W', "\\", ''))
  call assert_equal('XxxX', substitute('X', 'X', '\L\uxXx\l\EX', ''))
  call assert_equal('yYYy', substitute('Y', 'Y', '\U\lYyY\u\Ey', ''))
endfunc

func Test_sub_replace_3()
  set magic&
  set cpo&
  call assert_equal('a\a', substitute('aAa', 'A', '\="\\"', ''))
  call assert_equal('b\\b', substitute('bBb', 'B', '\="\\\\"', ''))
  call assert_equal("c\rc", substitute('cCc', 'C', "\\=\"\r\"", ''))
  call assert_equal("d\\\rd", substitute('dDd', 'D', "\\=\"\\\\\r\"", ''))
  call assert_equal("e\\\\\re", substitute('eEe', 'E', "\\=\"\\\\\\\\\r\"", ''))
  call assert_equal('f\rf', substitute('fFf', 'F', '\="\\r"', ''))
  call assert_equal('j\nj', substitute('jJj', 'J', '\="\\n"', ''))
  call assert_equal("k\<C-M>k", substitute('kKk', 'K', '\="\r"', ''))
  call assert_equal("l\nl", substitute('lLl', 'L', '\="\n"', ''))
endfunc

" Test for submatch() on substitute().
func Test_sub_replace_4()
  set magic&
  set cpo&
  call assert_equal('a\a', substitute('aAa', 'A',
		\ '\=substitute(submatch(0), ".", "\\", "")', ''))
  call assert_equal('b\b', substitute('bBb', 'B',
		\ '\=substitute(submatch(0), ".", "\\\\", "")', ''))
  call assert_equal("c\<C-V>\<C-M>c", substitute('cCc', 'C', '\=substitute(submatch(0), ".", "\<C-V>\<C-M>", "")', ''))
  call assert_equal("d\<C-V>\<C-M>d", substitute('dDd', 'D', '\=substitute(submatch(0), ".", "\\\<C-V>\<C-M>", "")', ''))
  call assert_equal("e\\\<C-V>\<C-M>e", substitute('eEe', 'E', '\=substitute(submatch(0), ".", "\\\\\<C-V>\<C-M>", "")', ''))
  call assert_equal("f\<C-M>f", substitute('fFf', 'F', '\=substitute(submatch(0), ".", "\\r", "")', ''))
  call assert_equal("j\nj", substitute('jJj', 'J', '\=substitute(submatch(0), ".", "\\n", "")', ''))
  call assert_equal("k\rk", substitute('kKk', 'K', '\=substitute(submatch(0), ".", "\r", "")', ''))
  call assert_equal("l\nl", substitute('lLl', 'L', '\=substitute(submatch(0), ".", "\n", "")', ''))
endfunc

func Test_sub_replace_5()
  set magic&
  set cpo&
  call assert_equal('A123456789987654321', substitute('A123456789',
		\ 'A\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)',
		\ '\=submatch(0) . submatch(9) . submatch(8) . ' .
		\ 'submatch(7) . submatch(6) . submatch(5) . ' .
		\ 'submatch(4) . submatch(3) . submatch(2) . submatch(1)',
		\ ''))
   call assert_equal("[['A123456789'], ['9'], ['8'], ['7'], ['6'], " .
		\ "['5'], ['4'], ['3'], ['2'], ['1']]",
		\ substitute('A123456789',
		\ 'A\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)',
		\ '\=string([submatch(0, 1), submatch(9, 1), ' .
		\ 'submatch(8, 1), submatch(7, 1), submatch(6, 1), ' .
		\ 'submatch(5, 1), submatch(4, 1), submatch(3, 1), ' .
		\ 'submatch(2, 1), submatch(1, 1)])',
		\ ''))
endfunc

func Test_sub_replace_6()
  set magic&
  set cpo+=/
  call assert_equal('a', substitute('A', 'A', 'a', ''))
  call assert_equal('%', substitute('B', 'B', '%', ''))
  set cpo-=/
  call assert_equal('c', substitute('C', 'C', 'c', ''))
  call assert_equal('%', substitute('D', 'D', '%', ''))
endfunc

func Test_sub_replace_7()
  set magic&
  set cpo&
  call assert_equal('AA', substitute('AA', 'A.', '\=submatch(0)', ''))
  call assert_equal("B\nB", substitute("B\nB", 'B.', '\=submatch(0)', ''))
  call assert_equal("['B\n']B", substitute("B\nB", 'B.', '\=string(submatch(0, 1))', ''))
  call assert_equal('-abab', substitute('-bb', '\zeb', 'a', 'g'))
  call assert_equal('c-cbcbc', substitute('-bb', '\ze', 'c', 'g'))
endfunc

" Test for *:s%* on :substitute.
func Test_sub_replace_8()
  new
  set magic&
  set cpo&
  $put =',,X'
  s/\(^\|,\)\ze\(,\|X\)/\1N/g
  call assert_equal('N,,NX', getline("$"))
  $put =',,Y'
  let cmd = ':s/\(^\|,\)\ze\(,\|Y\)/\1N/gc'
  call feedkeys(cmd . "\<CR>a", "xt")
  call assert_equal('N,,NY', getline("$"))
  :$put =',,Z'
  let cmd = ':s/\(^\|,\)\ze\(,\|Z\)/\1N/gc'
  call feedkeys(cmd . "\<CR>yy", "xt")
  call assert_equal('N,,NZ', getline("$"))
  enew! | close
endfunc

func Test_sub_replace_9()
  new
  set magic&
  set cpo&
  $put ='xxx'
  call feedkeys(":s/x/X/gc\<CR>yyq", "xt")
  call assert_equal('XXx', getline("$"))
  enew! | close
endfunc

func Test_sub_replace_10()
   set magic&
   set cpo&
   call assert_equal('a1a2a3a', substitute('123', '\zs', 'a', 'g'))
   call assert_equal('aaa', substitute('123', '\zs.', 'a', 'g'))
   call assert_equal('1a2a3a', substitute('123', '.\zs', 'a', 'g'))
   call assert_equal('a1a2a3a', substitute('123', '\ze', 'a', 'g'))
   call assert_equal('a1a2a3', substitute('123', '\ze.', 'a', 'g'))
   call assert_equal('aaa', substitute('123', '.\ze', 'a', 'g'))
   call assert_equal('aa2a3a', substitute('123', '1\|\ze', 'a', 'g'))
   call assert_equal('1aaa', substitute('123', '1\zs\|[23]', 'a', 'g'))
endfunc

" Tests for *sub-replace-special* and *sub-replace-expression* on :substitute.

" Execute a list of :substitute command tests
func Run_SubCmd_Tests(tests)
  enew!
  for t in a:tests
    let start = line('.') + 1
    let end = start + len(t[2]) - 1
    exe "normal o" . t[0]
    call cursor(start, 1)
    exe t[1]
    call assert_equal(t[2], getline(start, end), t[1])
  endfor
  enew!
endfunc

func Test_sub_cmd_1()
  set magic
  set cpo&

  " List entry format: [input, cmd, output]
  let tests = [['A', 's/A/&&/', ['AA']],
	      \ ['B', 's/B/\&/', ['&']],
	      \ ['C123456789', 's/C\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)/\0\9\8\7\6\5\4\3\2\1/', ['C123456789987654321']],
	      \ ['D', 's/D/d/', ['d']],
	      \ ['E', 's/E/~/', ['d']],
	      \ ['F', 's/F/\~/', ['~']],
	      \ ['G', 's/G/\ugg/', ['Gg']],
	      \ ['H', 's/H/\Uh\Eh/', ['Hh']],
	      \ ['I', 's/I/\lII/', ['iI']],
	      \ ['J', 's/J/\LJ\EJ/', ['jJ']],
	      \ ['K', 's/K/\Uk\ek/', ['Kk']],
	      \ ['lLl', "s/L/\<C-V>\<C-M>/", ["l\<C-V>", 'l']],
	      \ ['mMm', 's/M/\r/', ['m', 'm']],
	      \ ['nNn', "s/N/\\\<C-V>\<C-M>/", ["n\<C-V>", 'n']],
	      \ ['oOo', 's/O/\n/', ["o\no"]],
	      \ ['pPp', 's/P/\b/', ["p\<C-H>p"]],
	      \ ['qQq', 's/Q/\t/', ["q\tq"]],
	      \ ['rRr', 's/R/\\/', ['r\r']],
	      \ ['sSs', 's/S/\c/', ['scs']],
	      \ ['tTt', "s/T/\<C-V>\<C-J>/", ["t\<C-V>\<C-J>t"]],
	      \ ['U', 's/U/\L\uuUu\l\EU/', ['UuuU']],
	      \ ['V', 's/V/\U\lVvV\u\Ev/', ['vVVv']]
	      \ ]
  call Run_SubCmd_Tests(tests)
endfunc

func Test_sub_cmd_2()
  set nomagic
  set cpo&

  " List entry format: [input, cmd, output]
  let tests = [['A', 's/A/&&/', ['&&']],
	      \ ['B', 's/B/\&/', ['B']],
	      \ ['C123456789', 's/\mC\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)/\0\9\8\7\6\5\4\3\2\1/', ['C123456789987654321']],
	      \ ['D', 's/D/d/', ['d']],
	      \ ['E', 's/E/~/', ['~']],
	      \ ['F', 's/F/\~/', ['~']],
	      \ ['G', 's/G/\ugg/', ['Gg']],
	      \ ['H', 's/H/\Uh\Eh/', ['Hh']],
	      \ ['I', 's/I/\lII/', ['iI']],
	      \ ['J', 's/J/\LJ\EJ/', ['jJ']],
	      \ ['K', 's/K/\Uk\ek/', ['Kk']],
	      \ ['lLl', "s/L/\<C-V>\<C-M>/", ["l\<C-V>", 'l']],
	      \ ['mMm', 's/M/\r/', ['m', 'm']],
	      \ ['nNn', "s/N/\\\<C-V>\<C-M>/", ["n\<C-V>", 'n']],
	      \ ['oOo', 's/O/\n/', ["o\no"]],
	      \ ['pPp', 's/P/\b/', ["p\<C-H>p"]],
	      \ ['qQq', 's/Q/\t/', ["q\tq"]],
	      \ ['rRr', 's/R/\\/', ['r\r']],
	      \ ['sSs', 's/S/\c/', ['scs']],
	      \ ['tTt', "s/T/\<C-V>\<C-J>/", ["t\<C-V>\<C-J>t"]],
	      \ ['U', 's/U/\L\uuUu\l\EU/', ['UuuU']],
	      \ ['V', 's/V/\U\lVvV\u\Ev/', ['vVVv']]
	      \ ]
  call Run_SubCmd_Tests(tests)
endfunc

func Test_sub_cmd_3()
  set nomagic
  set cpo&

  " List entry format: [input, cmd, output]
  let tests = [['aAa', "s/A/\\='\\'/", ['a\a']],
	      \ ['bBb', "s/B/\\='\\\\'/", ['b\\b']],
	      \ ['cCc', "s/C/\\='\<C-V>\<C-M>'/", ["c\<C-V>", 'c']],
	      \ ['dDd', "s/D/\\='\\\<C-V>\<C-M>'/", ["d\\\<C-V>", 'd']],
	      \ ['eEe', "s/E/\\='\\\\\<C-V>\<C-M>'/", ["e\\\\\<C-V>", 'e']],
	      \ ['fFf', "s/F/\\='\r'/", ['f', 'f']],
	      \ ['gGg', "s/G/\\='\<C-V>\<C-J>'/", ["g\<C-V>", 'g']],
	      \ ['hHh', "s/H/\\='\\\<C-V>\<C-J>'/", ["h\\\<C-V>", 'h']],
	      \ ['iIi', "s/I/\\='\\\\\<C-V>\<C-J>'/", ["i\\\\\<C-V>", 'i']],
	      \ ['jJj', "s/J/\\='\n'/", ['j', 'j']],
	      \ ['kKk', 's/K/\="\r"/', ['k', 'k']],
	      \ ['lLl', 's/L/\="\n"/', ['l', 'l']]
	      \ ]
  call Run_SubCmd_Tests(tests)
endfunc

" Test for submatch() on :substitue.
func Test_sub_cmd_4()
  set magic&
  set cpo&

  " List entry format: [input, cmd, output]
  let tests = [ ['aAa', "s/A/\\=substitute(submatch(0), '.', '\\', '')/",
	      \				['a\a']],
	      \ ['bBb', "s/B/\\=substitute(submatch(0), '.', '\\', '')/",
	      \				['b\b']],
	      \ ['cCc', "s/C/\\=substitute(submatch(0), '.', '\<C-V>\<C-M>', '')/",
	      \				["c\<C-V>", 'c']],
	      \ ['dDd', "s/D/\\=substitute(submatch(0), '.', '\\\<C-V>\<C-M>', '')/",
	      \				["d\<C-V>", 'd']],
	      \ ['eEe', "s/E/\\=substitute(submatch(0), '.', '\\\\\<C-V>\<C-M>', '')/",
	      \				["e\\\<C-V>", 'e']],
	      \ ['fFf', "s/F/\\=substitute(submatch(0), '.', '\\r', '')/",
	      \				['f', 'f']],
	      \ ['gGg', 's/G/\=substitute(submatch(0), ".", "\<C-V>\<C-J>", "")/',
	      \				["g\<C-V>", 'g']],
	      \ ['hHh', 's/H/\=substitute(submatch(0), ".", "\\\<C-V>\<C-J>", "")/',
	      \				["h\<C-V>", 'h']],
	      \ ['iIi', 's/I/\=substitute(submatch(0), ".", "\\\\\<C-V>\<C-J>", "")/',
	      \				["i\\\<C-V>", 'i']],
	      \ ['jJj', "s/J/\\=substitute(submatch(0), '.', '\\n', '')/",
	      \				['j', 'j']],
	      \ ['kKk', "s/K/\\=substitute(submatch(0), '.', '\\r', '')/",
	      \				['k', 'k']],
	      \ ['lLl', "s/L/\\=substitute(submatch(0), '.', '\\n', '')/",
	      \				['l', 'l']],
	      \ ]
  call Run_SubCmd_Tests(tests)
endfunc

func Test_sub_cmd_5()
  set magic&
  set cpo&

  " List entry format: [input, cmd, output]
  let tests = [ ['A123456789', 's/A\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)/\=submatch(0) . submatch(9) . submatch(8) . submatch(7) . submatch(6) . submatch(5) . submatch(4) . submatch(3) . submatch(2) . submatch(1)/', ['A123456789987654321']],
	      \ ['B123456789', 's/B\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)/\=string([submatch(0, 1), submatch(9, 1), submatch(8, 1), submatch(7, 1), submatch(6, 1), submatch(5, 1), submatch(4, 1), submatch(3, 1), submatch(2, 1), submatch(1, 1)])/', ["[['B123456789'], ['9'], ['8'], ['7'], ['6'], ['5'], ['4'], ['3'], ['2'], ['1']]"]],
	      \ ]
  call Run_SubCmd_Tests(tests)
endfunc

" Test for *:s%* on :substitute.
func Test_sub_cmd_6()
  set magic&
  set cpo+=/

  " List entry format: [input, cmd, output]
  let tests = [ ['A', 's/A/a/', ['a']],
	      \ ['B', 's/B/%/', ['a']],
	      \ ]
  call Run_SubCmd_Tests(tests)

  set cpo-=/
  let tests = [ ['C', 's/C/c/', ['c']],
	      \ ['D', 's/D/%/', ['%']],
	      \ ]
  call Run_SubCmd_Tests(tests)

  set cpo&
endfunc

" Test for :s replacing \n with  line break.
func Test_sub_cmd_7()
  set magic&
  set cpo&

  " List entry format: [input, cmd, output]
  let tests = [ ["A\<C-V>\<C-M>A", 's/A./\=submatch(0)/', ['A', 'A']],
	      \ ["B\<C-V>\<C-J>B", 's/B./\=submatch(0)/', ['B', 'B']],
	      \ ["C\<C-V>\<C-J>C", 's/C./\=strtrans(string(submatch(0, 1)))/', [strtrans("['C\<C-J>']C")]],
	      \ ["D\<C-V>\<C-J>\nD", 's/D.\nD/\=strtrans(string(submatch(0, 1)))/', [strtrans("['D\<C-J>', 'D']")]],
	      \ ["E\<C-V>\<C-J>\n\<C-V>\<C-J>\n\<C-V>\<C-J>\n\<C-V>\<C-J>\n\<C-V>\<C-J>E", 's/E\_.\{-}E/\=strtrans(string(submatch(0, 1)))/', [strtrans("['E\<C-J>', '\<C-J>', '\<C-J>', '\<C-J>', '\<C-J>E']")]],
	      \ ]
  call Run_SubCmd_Tests(tests)

  exe "normal oQ\nQ\<Esc>k"
  call assert_fails('s/Q[^\n]Q/\=submatch(0)."foobar"/', 'E486')
  enew!
endfunc

func TitleString()
  let check = 'foo' =~ 'bar'
  return ""
endfunc

func Test_sub_cmd_8()
  set titlestring=%{TitleString()}

  enew!
  call append(0, ['', 'test_one', 'test_two'])
  call cursor(1,1)
  /^test_one/s/.*/\="foo\nbar"/
  call assert_equal('foo', getline(2))
  call assert_equal('bar', getline(3))
  call feedkeys(':/^test_two/s/.*/\="foo\nbar"/c', "t")
  call feedkeys("\<CR>y", "xt")
  call assert_equal('foo', getline(4))
  call assert_equal('bar', getline(5))

  enew!
  set titlestring&
endfunc