1" Tests for multi-line regexps with ":s".
2
3func Test_multiline_subst()
4  enew!
5  call append(0, ["1 aa",
6	      \ "bb",
7	      \ "cc",
8	      \ "2 dd",
9	      \ "ee",
10	      \ "3 ef",
11	      \ "gh",
12	      \ "4 ij",
13	      \ "5 a8",
14	      \ "8b c9",
15	      \ "9d",
16	      \ "6 e7",
17	      \ "77f",
18	      \ "xxxxx"])
19
20  1
21  " test if replacing a line break works with a back reference
22  /^1/,/^2/s/\n\(.\)/ \1/
23  " test if inserting a line break works with a back reference
24  /^3/,/^4/s/\(.\)$/\r\1/
25  " test if replacing a line break with another line break works
26  /^5/,/^6/s/\(\_d\{3}\)/x\1x/
27  call assert_equal('1 aa bb cc 2 dd ee', getline(1))
28  call assert_equal('3 e', getline(2))
29  call assert_equal('f', getline(3))
30  call assert_equal('g', getline(4))
31  call assert_equal('h', getline(5))
32  call assert_equal('4 i', getline(6))
33  call assert_equal('j', getline(7))
34  call assert_equal('5 ax8', getline(8))
35  call assert_equal('8xb cx9', getline(9))
36  call assert_equal('9xd', getline(10))
37  call assert_equal('6 ex7', getline(11))
38  call assert_equal('7x7f', getline(12))
39  call assert_equal('xxxxx', getline(13))
40  enew!
41endfunc
42
43func Test_substitute_variants()
44  " Validate that all the 2-/3-letter variants which embed the flags into the
45  " command name actually work.
46  enew!
47  let ln = 'Testing string'
48  let variants = [
49	\ { 'cmd': ':s/Test/test/c', 'exp': 'testing string', 'prompt': 'y' },
50	\ { 'cmd': ':s/foo/bar/ce', 'exp': ln },
51	\ { 'cmd': ':s/t/r/cg', 'exp': 'Tesring srring', 'prompt': 'a' },
52	\ { 'cmd': ':s/t/r/ci', 'exp': 'resting string', 'prompt': 'y' },
53	\ { 'cmd': ':s/t/r/cI', 'exp': 'Tesring string', 'prompt': 'y' },
54	\ { 'cmd': ':s/t/r/cn', 'exp': ln },
55	\ { 'cmd': ':s/t/r/cp', 'exp': 'Tesring string', 'prompt': 'y' },
56	\ { 'cmd': ':s/t/r/cl', 'exp': 'Tesring string', 'prompt': 'y' },
57	\ { 'cmd': ':s/t/r/gc', 'exp': 'Tesring srring', 'prompt': 'a' },
58	\ { 'cmd': ':s/foo/bar/ge', 'exp': ln },
59	\ { 'cmd': ':s/t/r/g', 'exp': 'Tesring srring' },
60	\ { 'cmd': ':s/t/r/gi', 'exp': 'resring srring' },
61	\ { 'cmd': ':s/t/r/gI', 'exp': 'Tesring srring' },
62	\ { 'cmd': ':s/t/r/gn', 'exp': ln },
63	\ { 'cmd': ':s/t/r/gp', 'exp': 'Tesring srring' },
64	\ { 'cmd': ':s/t/r/gl', 'exp': 'Tesring srring' },
65	\ { 'cmd': ':s//r/gr', 'exp': 'Testr strr' },
66	\ { 'cmd': ':s/t/r/ic', 'exp': 'resting string', 'prompt': 'y' },
67	\ { 'cmd': ':s/foo/bar/ie', 'exp': ln },
68	\ { 'cmd': ':s/t/r/i', 'exp': 'resting string' },
69	\ { 'cmd': ':s/t/r/iI', 'exp': 'Tesring string' },
70	\ { 'cmd': ':s/t/r/in', 'exp': ln },
71	\ { 'cmd': ':s/t/r/ip', 'exp': 'resting string' },
72	\ { 'cmd': ':s//r/ir', 'exp': 'Testr string' },
73	\ { 'cmd': ':s/t/r/Ic', 'exp': 'Tesring string', 'prompt': 'y' },
74	\ { 'cmd': ':s/foo/bar/Ie', 'exp': ln },
75	\ { 'cmd': ':s/t/r/Ig', 'exp': 'Tesring srring' },
76	\ { 'cmd': ':s/t/r/Ii', 'exp': 'resting string' },
77	\ { 'cmd': ':s/t/r/I', 'exp': 'Tesring string' },
78	\ { 'cmd': ':s/t/r/Ip', 'exp': 'Tesring string' },
79	\ { 'cmd': ':s/t/r/Il', 'exp': 'Tesring string' },
80	\ { 'cmd': ':s//r/Ir', 'exp': 'Testr string' },
81	\ { 'cmd': ':s//r/rc', 'exp': 'Testr string', 'prompt': 'y' },
82	\ { 'cmd': ':s//r/rg', 'exp': 'Testr strr' },
83	\ { 'cmd': ':s//r/ri', 'exp': 'Testr string' },
84	\ { 'cmd': ':s//r/rI', 'exp': 'Testr string' },
85	\ { 'cmd': ':s//r/rn', 'exp': 'Testing string' },
86	\ { 'cmd': ':s//r/rp', 'exp': 'Testr string' },
87	\ { 'cmd': ':s//r/rl', 'exp': 'Testr string' },
88	\ { 'cmd': ':s//r/r', 'exp': 'Testr string' },
89	\]
90
91  for var in variants
92    for run in [1, 2]
93      let cmd = var.cmd
94      if run == 2 && cmd =~ "/.*/.*/."
95	" Change  :s/from/to/{flags}  to  :s{flags}
96	let cmd = substitute(cmd, '/.*/', '', '')
97      endif
98      call setline(1, [ln])
99      let msg = printf('using "%s"', cmd)
100      let @/='ing'
101      let v:errmsg = ''
102      call feedkeys(cmd . "\<CR>" . get(var, 'prompt', ''), 'ntx')
103      " No error should exist (matters for testing e flag)
104      call assert_equal('', v:errmsg, msg)
105      call assert_equal(var.exp, getline('.'), msg)
106    endfor
107  endfor
108endfunc
109
110" Test the l, p, # flags.
111func Test_substitute_flags_lp()
112  new
113  call setline(1, "abc\tdef\<C-h>ghi")
114
115  let a = execute('s/a/a/p')
116  call assert_equal("\nabc     def^Hghi", a)
117
118  let a = execute('s/a/a/l')
119  call assert_equal("\nabc^Idef^Hghi$", a)
120
121  let a = execute('s/a/a/#')
122  call assert_equal("\n  1 abc     def^Hghi", a)
123
124  let a = execute('s/a/a/p#')
125  call assert_equal("\n  1 abc     def^Hghi", a)
126
127  let a = execute('s/a/a/l#')
128  call assert_equal("\n  1 abc^Idef^Hghi$", a)
129
130  let a = execute('s/a/a/')
131  call assert_equal("", a)
132
133  bwipe!
134endfunc
135
136func Test_substitute_repeat()
137  " This caused an invalid memory access.
138  split Xfile
139  s/^/x
140  call feedkeys("Qsc\<CR>y", 'tx')
141  bwipe!
142endfunc
143
144" Test %s/\n// which is implemented as a special case to use a
145" more efficient join rather than doing a regular substitution.
146func Test_substitute_join()
147  new
148
149  call setline(1, ["foo\tbar", "bar\<C-H>foo"])
150  let a = execute('%s/\n//')
151  call assert_equal("", a)
152  call assert_equal(["foo\tbarbar\<C-H>foo"], getline(1, '$'))
153  call assert_equal('\n', histget("search", -1))
154
155  call setline(1, ["foo\tbar", "bar\<C-H>foo"])
156  let a = execute('%s/\n//g')
157  call assert_equal("", a)
158  call assert_equal(["foo\tbarbar\<C-H>foo"], getline(1, '$'))
159  call assert_equal('\n', histget("search", -1))
160
161  call setline(1, ["foo\tbar", "bar\<C-H>foo"])
162  let a = execute('%s/\n//p')
163  call assert_equal("\nfoo     barbar^Hfoo", a)
164  call assert_equal(["foo\tbarbar\<C-H>foo"], getline(1, '$'))
165  call assert_equal('\n', histget("search", -1))
166
167  call setline(1, ["foo\tbar", "bar\<C-H>foo"])
168  let a = execute('%s/\n//l')
169  call assert_equal("\nfoo^Ibarbar^Hfoo$", a)
170  call assert_equal(["foo\tbarbar\<C-H>foo"], getline(1, '$'))
171  call assert_equal('\n', histget("search", -1))
172
173  call setline(1, ["foo\tbar", "bar\<C-H>foo"])
174  let a = execute('%s/\n//#')
175  call assert_equal("\n  1 foo     barbar^Hfoo", a)
176  call assert_equal(["foo\tbarbar\<C-H>foo"], getline(1, '$'))
177  call assert_equal('\n', histget("search", -1))
178
179  bwipe!
180endfunc
181
182func Test_substitute_count()
183  new
184  call setline(1, ['foo foo', 'foo foo', 'foo foo', 'foo foo', 'foo foo'])
185  2
186
187  s/foo/bar/3
188  call assert_equal(['foo foo', 'bar foo', 'bar foo', 'bar foo', 'foo foo'],
189  \                 getline(1, '$'))
190
191  call assert_fails('s/foo/bar/0', 'E939:')
192
193  bwipe!
194endfunc
195
196" Test substitute 'n' flag (report number of matches, do not substitute).
197func Test_substitute_flag_n()
198  new
199  let lines = ['foo foo', 'foo foo', 'foo foo', 'foo foo', 'foo foo']
200  call setline(1, lines)
201
202  call assert_equal("\n3 matches on 3 lines", execute('2,4s/foo/bar/n'))
203  call assert_equal("\n6 matches on 3 lines", execute('2,4s/foo/bar/gn'))
204
205  " c flag (confirm) should be ignored when using n flag.
206  call assert_equal("\n3 matches on 3 lines", execute('2,4s/foo/bar/nc'))
207
208  " No substitution should have been done.
209  call assert_equal(lines, getline(1, '$'))
210
211  bwipe!
212endfunc
213
214func Test_substitute_errors()
215  new
216  call setline(1, 'foobar')
217
218  call assert_fails('s/FOO/bar/', 'E486:')
219  call assert_fails('s/foo/bar/@', 'E488:')
220  call assert_fails('s/\(/bar/', 'E476:')
221
222  setl nomodifiable
223  call assert_fails('s/foo/bar/', 'E21:')
224
225  bwipe!
226endfunc
227
228" Test for *sub-replace-special* and *sub-replace-expression* on substitute().
229func Test_sub_replace_1()
230  " Run the tests with 'magic' on
231  set magic
232  set cpo&
233  call assert_equal('AA', substitute('A', 'A', '&&', ''))
234  call assert_equal('&', substitute('B', 'B', '\&', ''))
235  call assert_equal('C123456789987654321', substitute('C123456789', 'C\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)', '\0\9\8\7\6\5\4\3\2\1', ''))
236  call assert_equal('d', substitute('D', 'D', 'd', ''))
237  call assert_equal('~', substitute('E', 'E', '~', ''))
238  call assert_equal('~', substitute('F', 'F', '\~', ''))
239  call assert_equal('Gg', substitute('G', 'G', '\ugg', ''))
240  call assert_equal('Hh', substitute('H', 'H', '\Uh\Eh', ''))
241  call assert_equal('iI', substitute('I', 'I', '\lII', ''))
242  call assert_equal('jJ', substitute('J', 'J', '\LJ\EJ', ''))
243  call assert_equal('Kk', substitute('K', 'K', '\Uk\ek', ''))
244  call assert_equal("l\<C-V>\<C-M>l",
245			\ substitute('lLl', 'L', "\<C-V>\<C-M>", ''))
246  call assert_equal("m\<C-M>m", substitute('mMm', 'M', '\r', ''))
247  call assert_equal("n\<C-V>\<C-M>n",
248			\ substitute('nNn', 'N', "\\\<C-V>\<C-M>", ''))
249  call assert_equal("o\no", substitute('oOo', 'O', '\n', ''))
250  call assert_equal("p\<C-H>p", substitute('pPp', 'P', '\b', ''))
251  call assert_equal("q\tq", substitute('qQq', 'Q', '\t', ''))
252  call assert_equal('r\r', substitute('rRr', 'R', '\\', ''))
253  call assert_equal('scs', substitute('sSs', 'S', '\c', ''))
254  call assert_equal("u\nu", substitute('uUu', 'U', "\n", ''))
255  call assert_equal("v\<C-H>v", substitute('vVv', 'V', "\b", ''))
256  call assert_equal("w\\w", substitute('wWw', 'W', "\\", ''))
257  call assert_equal("x\<C-M>x", substitute('xXx', 'X', "\r", ''))
258  call assert_equal("YyyY", substitute('Y', 'Y', '\L\uyYy\l\EY', ''))
259  call assert_equal("zZZz", substitute('Z', 'Z', '\U\lZzZ\u\Ez', ''))
260endfunc
261
262func Test_sub_replace_2()
263  " Run the tests with 'magic' off
264  set nomagic
265  set cpo&
266  call assert_equal('AA', substitute('A', 'A', '&&', ''))
267  call assert_equal('&', substitute('B', 'B', '\&', ''))
268  call assert_equal('C123456789987654321', substitute('C123456789', 'C\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)', '\0\9\8\7\6\5\4\3\2\1', ''))
269  call assert_equal('d', substitute('D', 'D', 'd', ''))
270  call assert_equal('~', substitute('E', 'E', '~', ''))
271  call assert_equal('~', substitute('F', 'F', '\~', ''))
272  call assert_equal('Gg', substitute('G', 'G', '\ugg', ''))
273  call assert_equal('Hh', substitute('H', 'H', '\Uh\Eh', ''))
274  call assert_equal('iI', substitute('I', 'I', '\lII', ''))
275  call assert_equal('jJ', substitute('J', 'J', '\LJ\EJ', ''))
276  call assert_equal('Kk', substitute('K', 'K', '\Uk\ek', ''))
277  call assert_equal("l\<C-V>\<C-M>l",
278			\ substitute('lLl', 'L', "\<C-V>\<C-M>", ''))
279  call assert_equal("m\<C-M>m", substitute('mMm', 'M', '\r', ''))
280  call assert_equal("n\<C-V>\<C-M>n",
281			\ substitute('nNn', 'N', "\\\<C-V>\<C-M>", ''))
282  call assert_equal("o\no", substitute('oOo', 'O', '\n', ''))
283  call assert_equal("p\<C-H>p", substitute('pPp', 'P', '\b', ''))
284  call assert_equal("q\tq", substitute('qQq', 'Q', '\t', ''))
285  call assert_equal('r\r', substitute('rRr', 'R', '\\', ''))
286  call assert_equal('scs', substitute('sSs', 'S', '\c', ''))
287  call assert_equal("t\<C-M>t", substitute('tTt', 'T', "\r", ''))
288  call assert_equal("u\nu", substitute('uUu', 'U', "\n", ''))
289  call assert_equal("v\<C-H>v", substitute('vVv', 'V', "\b", ''))
290  call assert_equal('w\w', substitute('wWw', 'W', "\\", ''))
291  call assert_equal('XxxX', substitute('X', 'X', '\L\uxXx\l\EX', ''))
292  call assert_equal('yYYy', substitute('Y', 'Y', '\U\lYyY\u\Ey', ''))
293endfunc
294
295func Test_sub_replace_3()
296  set magic&
297  set cpo&
298  call assert_equal('a\a', substitute('aAa', 'A', '\="\\"', ''))
299  call assert_equal('b\\b', substitute('bBb', 'B', '\="\\\\"', ''))
300  call assert_equal("c\rc", substitute('cCc', 'C', "\\=\"\r\"", ''))
301  call assert_equal("d\\\rd", substitute('dDd', 'D', "\\=\"\\\\\r\"", ''))
302  call assert_equal("e\\\\\re", substitute('eEe', 'E', "\\=\"\\\\\\\\\r\"", ''))
303  call assert_equal('f\rf', substitute('fFf', 'F', '\="\\r"', ''))
304  call assert_equal('j\nj', substitute('jJj', 'J', '\="\\n"', ''))
305  call assert_equal("k\<C-M>k", substitute('kKk', 'K', '\="\r"', ''))
306  call assert_equal("l\nl", substitute('lLl', 'L', '\="\n"', ''))
307endfunc
308
309" Test for submatch() on substitute().
310func Test_sub_replace_4()
311  set magic&
312  set cpo&
313  call assert_equal('a\a', substitute('aAa', 'A',
314		\ '\=substitute(submatch(0), ".", "\\", "")', ''))
315  call assert_equal('b\b', substitute('bBb', 'B',
316		\ '\=substitute(submatch(0), ".", "\\\\", "")', ''))
317  call assert_equal("c\<C-V>\<C-M>c", substitute('cCc', 'C', '\=substitute(submatch(0), ".", "\<C-V>\<C-M>", "")', ''))
318  call assert_equal("d\<C-V>\<C-M>d", substitute('dDd', 'D', '\=substitute(submatch(0), ".", "\\\<C-V>\<C-M>", "")', ''))
319  call assert_equal("e\\\<C-V>\<C-M>e", substitute('eEe', 'E', '\=substitute(submatch(0), ".", "\\\\\<C-V>\<C-M>", "")', ''))
320  call assert_equal("f\<C-M>f", substitute('fFf', 'F', '\=substitute(submatch(0), ".", "\\r", "")', ''))
321  call assert_equal("j\nj", substitute('jJj', 'J', '\=substitute(submatch(0), ".", "\\n", "")', ''))
322  call assert_equal("k\rk", substitute('kKk', 'K', '\=substitute(submatch(0), ".", "\r", "")', ''))
323  call assert_equal("l\nl", substitute('lLl', 'L', '\=substitute(submatch(0), ".", "\n", "")', ''))
324endfunc
325
326func Test_sub_replace_5()
327  set magic&
328  set cpo&
329  call assert_equal('A123456789987654321', substitute('A123456789',
330		\ 'A\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)',
331		\ '\=submatch(0) . submatch(9) . submatch(8) . ' .
332		\ 'submatch(7) . submatch(6) . submatch(5) . ' .
333		\ 'submatch(4) . submatch(3) . submatch(2) . submatch(1)',
334		\ ''))
335   call assert_equal("[['A123456789'], ['9'], ['8'], ['7'], ['6'], " .
336		\ "['5'], ['4'], ['3'], ['2'], ['1']]",
337		\ substitute('A123456789',
338		\ 'A\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)',
339		\ '\=string([submatch(0, 1), submatch(9, 1), ' .
340		\ 'submatch(8, 1), submatch(7, 1), submatch(6, 1), ' .
341		\ 'submatch(5, 1), submatch(4, 1), submatch(3, 1), ' .
342		\ 'submatch(2, 1), submatch(1, 1)])',
343		\ ''))
344endfunc
345
346func Test_sub_replace_6()
347  set magic&
348  set cpo+=/
349  call assert_equal('a', substitute('A', 'A', 'a', ''))
350  call assert_equal('%', substitute('B', 'B', '%', ''))
351  set cpo-=/
352  call assert_equal('c', substitute('C', 'C', 'c', ''))
353  call assert_equal('%', substitute('D', 'D', '%', ''))
354endfunc
355
356func Test_sub_replace_7()
357  set magic&
358  set cpo&
359  call assert_equal('AA', substitute('AA', 'A.', '\=submatch(0)', ''))
360  call assert_equal("B\nB", substitute("B\nB", 'B.', '\=submatch(0)', ''))
361  call assert_equal("['B\n']B", substitute("B\nB", 'B.', '\=string(submatch(0, 1))', ''))
362  call assert_equal('-abab', substitute('-bb', '\zeb', 'a', 'g'))
363  call assert_equal('c-cbcbc', substitute('-bb', '\ze', 'c', 'g'))
364endfunc
365
366" Test for *:s%* on :substitute.
367func Test_sub_replace_8()
368  new
369  set magic&
370  set cpo&
371  $put =',,X'
372  s/\(^\|,\)\ze\(,\|X\)/\1N/g
373  call assert_equal('N,,NX', getline("$"))
374  $put =',,Y'
375  let cmd = ':s/\(^\|,\)\ze\(,\|Y\)/\1N/gc'
376  call feedkeys(cmd . "\<CR>a", "xt")
377  call assert_equal('N,,NY', getline("$"))
378  :$put =',,Z'
379  let cmd = ':s/\(^\|,\)\ze\(,\|Z\)/\1N/gc'
380  call feedkeys(cmd . "\<CR>yy", "xt")
381  call assert_equal('N,,NZ', getline("$"))
382  enew! | close
383endfunc
384
385func Test_sub_replace_9()
386  new
387  set magic&
388  set cpo&
389  $put ='xxx'
390  call feedkeys(":s/x/X/gc\<CR>yyq", "xt")
391  call assert_equal('XXx', getline("$"))
392  enew! | close
393endfunc
394
395func Test_sub_replace_10()
396   set magic&
397   set cpo&
398   call assert_equal('a1a2a3a', substitute('123', '\zs', 'a', 'g'))
399   call assert_equal('aaa', substitute('123', '\zs.', 'a', 'g'))
400   call assert_equal('1a2a3a', substitute('123', '.\zs', 'a', 'g'))
401   call assert_equal('a1a2a3a', substitute('123', '\ze', 'a', 'g'))
402   call assert_equal('a1a2a3', substitute('123', '\ze.', 'a', 'g'))
403   call assert_equal('aaa', substitute('123', '.\ze', 'a', 'g'))
404   call assert_equal('aa2a3a', substitute('123', '1\|\ze', 'a', 'g'))
405   call assert_equal('1aaa', substitute('123', '1\zs\|[23]', 'a', 'g'))
406endfunc
407
408" Tests for *sub-replace-special* and *sub-replace-expression* on :substitute.
409
410" Execute a list of :substitute command tests
411func Run_SubCmd_Tests(tests)
412  enew!
413  for t in a:tests
414    let start = line('.') + 1
415    let end = start + len(t[2]) - 1
416    exe "normal o" . t[0]
417    call cursor(start, 1)
418    exe t[1]
419    call assert_equal(t[2], getline(start, end), t[1])
420  endfor
421  enew!
422endfunc
423
424func Test_sub_cmd_1()
425  set magic
426  set cpo&
427
428  " List entry format: [input, cmd, output]
429  let tests = [['A', 's/A/&&/', ['AA']],
430	      \ ['B', 's/B/\&/', ['&']],
431	      \ ['C123456789', 's/C\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)/\0\9\8\7\6\5\4\3\2\1/', ['C123456789987654321']],
432	      \ ['D', 's/D/d/', ['d']],
433	      \ ['E', 's/E/~/', ['d']],
434	      \ ['F', 's/F/\~/', ['~']],
435	      \ ['G', 's/G/\ugg/', ['Gg']],
436	      \ ['H', 's/H/\Uh\Eh/', ['Hh']],
437	      \ ['I', 's/I/\lII/', ['iI']],
438	      \ ['J', 's/J/\LJ\EJ/', ['jJ']],
439	      \ ['K', 's/K/\Uk\ek/', ['Kk']],
440	      \ ['lLl', "s/L/\<C-V>\<C-M>/", ["l\<C-V>", 'l']],
441	      \ ['mMm', 's/M/\r/', ['m', 'm']],
442	      \ ['nNn', "s/N/\\\<C-V>\<C-M>/", ["n\<C-V>", 'n']],
443	      \ ['oOo', 's/O/\n/', ["o\no"]],
444	      \ ['pPp', 's/P/\b/', ["p\<C-H>p"]],
445	      \ ['qQq', 's/Q/\t/', ["q\tq"]],
446	      \ ['rRr', 's/R/\\/', ['r\r']],
447	      \ ['sSs', 's/S/\c/', ['scs']],
448	      \ ['tTt', "s/T/\<C-V>\<C-J>/", ["t\<C-V>\<C-J>t"]],
449	      \ ['U', 's/U/\L\uuUu\l\EU/', ['UuuU']],
450	      \ ['V', 's/V/\U\lVvV\u\Ev/', ['vVVv']]
451	      \ ]
452  call Run_SubCmd_Tests(tests)
453endfunc
454
455func Test_sub_cmd_2()
456  set nomagic
457  set cpo&
458
459  " List entry format: [input, cmd, output]
460  let tests = [['A', 's/A/&&/', ['&&']],
461	      \ ['B', 's/B/\&/', ['B']],
462	      \ ['C123456789', 's/\mC\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)/\0\9\8\7\6\5\4\3\2\1/', ['C123456789987654321']],
463	      \ ['D', 's/D/d/', ['d']],
464	      \ ['E', 's/E/~/', ['~']],
465	      \ ['F', 's/F/\~/', ['~']],
466	      \ ['G', 's/G/\ugg/', ['Gg']],
467	      \ ['H', 's/H/\Uh\Eh/', ['Hh']],
468	      \ ['I', 's/I/\lII/', ['iI']],
469	      \ ['J', 's/J/\LJ\EJ/', ['jJ']],
470	      \ ['K', 's/K/\Uk\ek/', ['Kk']],
471	      \ ['lLl', "s/L/\<C-V>\<C-M>/", ["l\<C-V>", 'l']],
472	      \ ['mMm', 's/M/\r/', ['m', 'm']],
473	      \ ['nNn', "s/N/\\\<C-V>\<C-M>/", ["n\<C-V>", 'n']],
474	      \ ['oOo', 's/O/\n/', ["o\no"]],
475	      \ ['pPp', 's/P/\b/', ["p\<C-H>p"]],
476	      \ ['qQq', 's/Q/\t/', ["q\tq"]],
477	      \ ['rRr', 's/R/\\/', ['r\r']],
478	      \ ['sSs', 's/S/\c/', ['scs']],
479	      \ ['tTt', "s/T/\<C-V>\<C-J>/", ["t\<C-V>\<C-J>t"]],
480	      \ ['U', 's/U/\L\uuUu\l\EU/', ['UuuU']],
481	      \ ['V', 's/V/\U\lVvV\u\Ev/', ['vVVv']]
482	      \ ]
483  call Run_SubCmd_Tests(tests)
484endfunc
485
486func Test_sub_cmd_3()
487  set nomagic
488  set cpo&
489
490  " List entry format: [input, cmd, output]
491  let tests = [['aAa', "s/A/\\='\\'/", ['a\a']],
492	      \ ['bBb', "s/B/\\='\\\\'/", ['b\\b']],
493	      \ ['cCc', "s/C/\\='\<C-V>\<C-M>'/", ["c\<C-V>", 'c']],
494	      \ ['dDd', "s/D/\\='\\\<C-V>\<C-M>'/", ["d\\\<C-V>", 'd']],
495	      \ ['eEe', "s/E/\\='\\\\\<C-V>\<C-M>'/", ["e\\\\\<C-V>", 'e']],
496	      \ ['fFf', "s/F/\\='\r'/", ['f', 'f']],
497	      \ ['gGg', "s/G/\\='\<C-V>\<C-J>'/", ["g\<C-V>", 'g']],
498	      \ ['hHh', "s/H/\\='\\\<C-V>\<C-J>'/", ["h\\\<C-V>", 'h']],
499	      \ ['iIi', "s/I/\\='\\\\\<C-V>\<C-J>'/", ["i\\\\\<C-V>", 'i']],
500	      \ ['jJj', "s/J/\\='\n'/", ['j', 'j']],
501	      \ ['kKk', 's/K/\="\r"/', ['k', 'k']],
502	      \ ['lLl', 's/L/\="\n"/', ['l', 'l']]
503	      \ ]
504  call Run_SubCmd_Tests(tests)
505endfunc
506
507" Test for submatch() on :substitue.
508func Test_sub_cmd_4()
509  set magic&
510  set cpo&
511
512  " List entry format: [input, cmd, output]
513  let tests = [ ['aAa', "s/A/\\=substitute(submatch(0), '.', '\\', '')/",
514	      \				['a\a']],
515	      \ ['bBb', "s/B/\\=substitute(submatch(0), '.', '\\', '')/",
516	      \				['b\b']],
517	      \ ['cCc', "s/C/\\=substitute(submatch(0), '.', '\<C-V>\<C-M>', '')/",
518	      \				["c\<C-V>", 'c']],
519	      \ ['dDd', "s/D/\\=substitute(submatch(0), '.', '\\\<C-V>\<C-M>', '')/",
520	      \				["d\<C-V>", 'd']],
521	      \ ['eEe', "s/E/\\=substitute(submatch(0), '.', '\\\\\<C-V>\<C-M>', '')/",
522	      \				["e\\\<C-V>", 'e']],
523	      \ ['fFf', "s/F/\\=substitute(submatch(0), '.', '\\r', '')/",
524	      \				['f', 'f']],
525	      \ ['gGg', 's/G/\=substitute(submatch(0), ".", "\<C-V>\<C-J>", "")/',
526	      \				["g\<C-V>", 'g']],
527	      \ ['hHh', 's/H/\=substitute(submatch(0), ".", "\\\<C-V>\<C-J>", "")/',
528	      \				["h\<C-V>", 'h']],
529	      \ ['iIi', 's/I/\=substitute(submatch(0), ".", "\\\\\<C-V>\<C-J>", "")/',
530	      \				["i\\\<C-V>", 'i']],
531	      \ ['jJj', "s/J/\\=substitute(submatch(0), '.', '\\n', '')/",
532	      \				['j', 'j']],
533	      \ ['kKk', "s/K/\\=substitute(submatch(0), '.', '\\r', '')/",
534	      \				['k', 'k']],
535	      \ ['lLl', "s/L/\\=substitute(submatch(0), '.', '\\n', '')/",
536	      \				['l', 'l']],
537	      \ ]
538  call Run_SubCmd_Tests(tests)
539endfunc
540
541func Test_sub_cmd_5()
542  set magic&
543  set cpo&
544
545  " List entry format: [input, cmd, output]
546  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']],
547	      \ ['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']]"]],
548	      \ ]
549  call Run_SubCmd_Tests(tests)
550endfunc
551
552" Test for *:s%* on :substitute.
553func Test_sub_cmd_6()
554  set magic&
555  set cpo+=/
556
557  " List entry format: [input, cmd, output]
558  let tests = [ ['A', 's/A/a/', ['a']],
559	      \ ['B', 's/B/%/', ['a']],
560	      \ ]
561  call Run_SubCmd_Tests(tests)
562
563  set cpo-=/
564  let tests = [ ['C', 's/C/c/', ['c']],
565	      \ ['D', 's/D/%/', ['%']],
566	      \ ]
567  call Run_SubCmd_Tests(tests)
568
569  set cpo&
570endfunc
571
572" Test for :s replacing \n with  line break.
573func Test_sub_cmd_7()
574  set magic&
575  set cpo&
576
577  " List entry format: [input, cmd, output]
578  let tests = [ ["A\<C-V>\<C-M>A", 's/A./\=submatch(0)/', ['A', 'A']],
579	      \ ["B\<C-V>\<C-J>B", 's/B./\=submatch(0)/', ['B', 'B']],
580	      \ ["C\<C-V>\<C-J>C", 's/C./\=strtrans(string(submatch(0, 1)))/', [strtrans("['C\<C-J>']C")]],
581	      \ ["D\<C-V>\<C-J>\nD", 's/D.\nD/\=strtrans(string(submatch(0, 1)))/', [strtrans("['D\<C-J>', 'D']")]],
582	      \ ["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']")]],
583	      \ ]
584  call Run_SubCmd_Tests(tests)
585
586  exe "normal oQ\nQ\<Esc>k"
587  call assert_fails('s/Q[^\n]Q/\=submatch(0)."foobar"/', 'E486')
588  enew!
589endfunc
590
591func TitleString()
592  let check = 'foo' =~ 'bar'
593  return ""
594endfunc
595
596func Test_sub_cmd_8()
597  set titlestring=%{TitleString()}
598
599  enew!
600  call append(0, ['', 'test_one', 'test_two'])
601  call cursor(1,1)
602  /^test_one/s/.*/\="foo\nbar"/
603  call assert_equal('foo', getline(2))
604  call assert_equal('bar', getline(3))
605  call feedkeys(':/^test_two/s/.*/\="foo\nbar"/c', "t")
606  call feedkeys("\<CR>y", "xt")
607  call assert_equal('foo', getline(4))
608  call assert_equal('bar', getline(5))
609
610  enew!
611  set titlestring&
612endfunc
613
614func Test_nocatch_sub_failure_handling()
615  " normal error results in all replacements
616  func! Foo()
617    foobar
618  endfunc
619  new
620  call setline(1, ['1 aaa', '2 aaa', '3 aaa'])
621  %s/aaa/\=Foo()/g
622  call assert_equal(['1 0', '2 0', '3 0'], getline(1, 3))
623
624  " Trow without try-catch causes abort after the first line.
625  " We cannot test this, since it would stop executing the test script.
626
627  " try/catch does not result in any changes
628  func! Foo()
629    throw 'error'
630  endfunc
631  call setline(1, ['1 aaa', '2 aaa', '3 aaa'])
632  let error_caught = 0
633  try
634    %s/aaa/\=Foo()/g
635  catch
636    let error_caught = 1
637  endtry
638  call assert_equal(1, error_caught)
639  call assert_equal(['1 aaa', '2 aaa', '3 aaa'], getline(1, 3))
640
641  bwipe!
642endfunc
643