1" Tests for multi-line regexps with ":s".
2
3source shared.vim
4
5func Test_multiline_subst()
6  enew!
7  call append(0, ["1 aa",
8	      \ "bb",
9	      \ "cc",
10	      \ "2 dd",
11	      \ "ee",
12	      \ "3 ef",
13	      \ "gh",
14	      \ "4 ij",
15	      \ "5 a8",
16	      \ "8b c9",
17	      \ "9d",
18	      \ "6 e7",
19	      \ "77f",
20	      \ "xxxxx"])
21
22  1
23  " test if replacing a line break works with a back reference
24  /^1/,/^2/s/\n\(.\)/ \1/
25  " test if inserting a line break works with a back reference
26  /^3/,/^4/s/\(.\)$/\r\1/
27  " test if replacing a line break with another line break works
28  /^5/,/^6/s/\(\_d\{3}\)/x\1x/
29  call assert_equal('1 aa bb cc 2 dd ee', getline(1))
30  call assert_equal('3 e', getline(2))
31  call assert_equal('f', getline(3))
32  call assert_equal('g', getline(4))
33  call assert_equal('h', getline(5))
34  call assert_equal('4 i', getline(6))
35  call assert_equal('j', getline(7))
36  call assert_equal('5 ax8', getline(8))
37  call assert_equal('8xb cx9', getline(9))
38  call assert_equal('9xd', getline(10))
39  call assert_equal('6 ex7', getline(11))
40  call assert_equal('7x7f', getline(12))
41  call assert_equal('xxxxx', getline(13))
42  enew!
43endfunc
44
45func Test_substitute_variants()
46  " Validate that all the 2-/3-letter variants which embed the flags into the
47  " command name actually work.
48  enew!
49  let ln = 'Testing string'
50  let variants = [
51	\ { 'cmd': ':s/Test/test/c', 'exp': 'testing string', 'prompt': 'y' },
52	\ { 'cmd': ':s/foo/bar/ce', 'exp': ln },
53	\ { 'cmd': ':s/t/r/cg', 'exp': 'Tesring srring', 'prompt': 'a' },
54	\ { 'cmd': ':s/t/r/ci', 'exp': 'resting string', 'prompt': 'y' },
55	\ { 'cmd': ':s/t/r/cI', 'exp': 'Tesring string', 'prompt': 'y' },
56	\ { 'cmd': ':s/t/r/c', 'exp': 'Testing string', 'prompt': 'n' },
57	\ { 'cmd': ':s/t/r/cn', 'exp': ln },
58	\ { 'cmd': ':s/t/r/cp', 'exp': 'Tesring string', 'prompt': 'y' },
59	\ { 'cmd': ':s/t/r/cl', 'exp': 'Tesring string', 'prompt': 'y' },
60	\ { 'cmd': ':s/t/r/gc', 'exp': 'Tesring srring', 'prompt': 'a' },
61	\ { 'cmd': ':s/i/I/gc', 'exp': 'TestIng string', 'prompt': 'l' },
62	\ { 'cmd': ':s/foo/bar/ge', 'exp': ln },
63	\ { 'cmd': ':s/t/r/g', 'exp': 'Tesring srring' },
64	\ { 'cmd': ':s/t/r/gi', 'exp': 'resring srring' },
65	\ { 'cmd': ':s/t/r/gI', 'exp': 'Tesring srring' },
66	\ { 'cmd': ':s/t/r/gn', 'exp': ln },
67	\ { 'cmd': ':s/t/r/gp', 'exp': 'Tesring srring' },
68	\ { 'cmd': ':s/t/r/gl', 'exp': 'Tesring srring' },
69	\ { 'cmd': ':s//r/gr', 'exp': 'Testr strr' },
70	\ { 'cmd': ':s/t/r/ic', 'exp': 'resting string', 'prompt': 'y' },
71	\ { 'cmd': ':s/foo/bar/ie', 'exp': ln },
72	\ { 'cmd': ':s/t/r/i', 'exp': 'resting string' },
73	\ { 'cmd': ':s/t/r/iI', 'exp': 'Tesring string' },
74	\ { 'cmd': ':s/t/r/in', 'exp': ln },
75	\ { 'cmd': ':s/t/r/ip', 'exp': 'resting string' },
76	\ { 'cmd': ':s//r/ir', 'exp': 'Testr string' },
77	\ { 'cmd': ':s/t/r/Ic', 'exp': 'Tesring string', 'prompt': 'y' },
78	\ { 'cmd': ':s/foo/bar/Ie', 'exp': ln },
79	\ { 'cmd': ':s/t/r/Ig', 'exp': 'Tesring srring' },
80	\ { 'cmd': ':s/t/r/Ii', 'exp': 'resting string' },
81	\ { 'cmd': ':s/t/r/I', 'exp': 'Tesring string' },
82	\ { 'cmd': ':s/t/r/Ip', 'exp': 'Tesring string' },
83	\ { 'cmd': ':s/t/r/Il', 'exp': 'Tesring string' },
84	\ { 'cmd': ':s//r/Ir', 'exp': 'Testr string' },
85	\ { 'cmd': ':s//r/rc', 'exp': 'Testr string', 'prompt': 'y' },
86	\ { 'cmd': ':s//r/rg', 'exp': 'Testr strr' },
87	\ { 'cmd': ':s//r/ri', 'exp': 'Testr string' },
88	\ { 'cmd': ':s//r/rI', 'exp': 'Testr string' },
89	\ { 'cmd': ':s//r/rn', 'exp': 'Testing string' },
90	\ { 'cmd': ':s//r/rp', 'exp': 'Testr string' },
91	\ { 'cmd': ':s//r/rl', 'exp': 'Testr string' },
92	\ { 'cmd': ':s//r/r', 'exp': 'Testr string' },
93	\ { 'cmd': ':s/i/I/gc', 'exp': 'Testing string', 'prompt': 'q' },
94	\]
95
96  for var in variants
97    for run in [1, 2]
98      let cmd = var.cmd
99      if run == 2 && cmd =~ "/.*/.*/."
100	" Change  :s/from/to/{flags}  to  :s{flags}
101	let cmd = substitute(cmd, '/.*/', '', '')
102      endif
103      call setline(1, [ln])
104      let msg = printf('using "%s"', cmd)
105      let @/='ing'
106      let v:errmsg = ''
107      call feedkeys(cmd . "\<CR>" . get(var, 'prompt', ''), 'ntx')
108      " No error should exist (matters for testing e flag)
109      call assert_equal('', v:errmsg, msg)
110      call assert_equal(var.exp, getline('.'), msg)
111    endfor
112  endfor
113endfunc
114
115" Test the l, p, # flags.
116func Test_substitute_flags_lp()
117  new
118  call setline(1, "abc\tdef\<C-h>ghi")
119
120  let a = execute('s/a/a/p')
121  call assert_equal("\nabc     def^Hghi", a)
122
123  let a = execute('s/a/a/l')
124  call assert_equal("\nabc^Idef^Hghi$", a)
125
126  let a = execute('s/a/a/#')
127  call assert_equal("\n  1 abc     def^Hghi", a)
128
129  let a = execute('s/a/a/p#')
130  call assert_equal("\n  1 abc     def^Hghi", a)
131
132  let a = execute('s/a/a/l#')
133  call assert_equal("\n  1 abc^Idef^Hghi$", a)
134
135  let a = execute('s/a/a/')
136  call assert_equal("", a)
137
138  bwipe!
139endfunc
140
141func Test_substitute_repeat()
142  " This caused an invalid memory access.
143  split Xfile
144  s/^/x
145  call feedkeys("Qsc\<CR>y", 'tx')
146  bwipe!
147endfunc
148
149" Test %s/\n// which is implemented as a special case to use a
150" more efficient join rather than doing a regular substitution.
151func Test_substitute_join()
152  new
153
154  call setline(1, ["foo\tbar", "bar\<C-H>foo"])
155  let a = execute('%s/\n//')
156  call assert_equal("", a)
157  call assert_equal(["foo\tbarbar\<C-H>foo"], getline(1, '$'))
158  call assert_equal('\n', histget("search", -1))
159
160  call setline(1, ["foo\tbar", "bar\<C-H>foo"])
161  let a = execute('%s/\n//g')
162  call assert_equal("", a)
163  call assert_equal(["foo\tbarbar\<C-H>foo"], getline(1, '$'))
164  call assert_equal('\n', histget("search", -1))
165
166  call setline(1, ["foo\tbar", "bar\<C-H>foo"])
167  let a = execute('%s/\n//p')
168  call assert_equal("\nfoo     barbar^Hfoo", a)
169  call assert_equal(["foo\tbarbar\<C-H>foo"], getline(1, '$'))
170  call assert_equal('\n', histget("search", -1))
171
172  call setline(1, ["foo\tbar", "bar\<C-H>foo"])
173  let a = execute('%s/\n//l')
174  call assert_equal("\nfoo^Ibarbar^Hfoo$", a)
175  call assert_equal(["foo\tbarbar\<C-H>foo"], getline(1, '$'))
176  call assert_equal('\n', histget("search", -1))
177
178  call setline(1, ["foo\tbar", "bar\<C-H>foo"])
179  let a = execute('%s/\n//#')
180  call assert_equal("\n  1 foo     barbar^Hfoo", a)
181  call assert_equal(["foo\tbarbar\<C-H>foo"], getline(1, '$'))
182  call assert_equal('\n', histget("search", -1))
183
184  call setline(1, ['foo', 'bar', 'baz', 'qux'])
185  call execute('1,2s/\n//')
186  call assert_equal(['foobarbaz', 'qux'], getline(1, '$'))
187
188  bwipe!
189endfunc
190
191func Test_substitute_count()
192  new
193  call setline(1, ['foo foo', 'foo foo', 'foo foo', 'foo foo', 'foo foo'])
194  2
195
196  s/foo/bar/3
197  call assert_equal(['foo foo', 'bar foo', 'bar foo', 'bar foo', 'foo foo'],
198  \                 getline(1, '$'))
199
200  call assert_fails('s/foo/bar/0', 'E939:')
201
202  call setline(1, ['foo foo', 'foo foo', 'foo foo', 'foo foo', 'foo foo'])
203  2,4s/foo/bar/ 10
204  call assert_equal(['foo foo', 'foo foo', 'foo foo', 'bar foo', 'bar foo'],
205        \           getline(1, '$'))
206
207  bwipe!
208endfunc
209
210" Test substitute 'n' flag (report number of matches, do not substitute).
211func Test_substitute_flag_n()
212  new
213  let lines = ['foo foo', 'foo foo', 'foo foo', 'foo foo', 'foo foo']
214  call setline(1, lines)
215
216  call assert_equal("\n3 matches on 3 lines", execute('2,4s/foo/bar/n'))
217  call assert_equal("\n6 matches on 3 lines", execute('2,4s/foo/bar/gn'))
218
219  " c flag (confirm) should be ignored when using n flag.
220  call assert_equal("\n3 matches on 3 lines", execute('2,4s/foo/bar/nc'))
221
222  " No substitution should have been done.
223  call assert_equal(lines, getline(1, '$'))
224
225  %delete _
226  call setline(1, ['A', 'Bar', 'Baz'])
227  call assert_equal("\n1 match on 1 line", execute('s/\nB\@=//gn'))
228
229  bwipe!
230endfunc
231
232func Test_substitute_errors()
233  new
234  call setline(1, 'foobar')
235
236  call assert_fails('s/FOO/bar/', 'E486:')
237  call assert_fails('s/foo/bar/@', 'E488:')
238  call assert_fails('s/\(/bar/', 'E476:')
239  call assert_fails('s afooabara', 'E146:')
240  call assert_fails('s\\a', 'E10:')
241
242  setl nomodifiable
243  call assert_fails('s/foo/bar/', 'E21:')
244
245  bwipe!
246endfunc
247
248" Test for *sub-replace-special* and *sub-replace-expression* on substitute().
249func Test_sub_replace_1()
250  " Run the tests with 'magic' on
251  set magic
252  set cpo&
253  call assert_equal('AA', substitute('A', 'A', '&&', ''))
254  call assert_equal('&', substitute('B', 'B', '\&', ''))
255  call assert_equal('C123456789987654321', substitute('C123456789', 'C\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)', '\0\9\8\7\6\5\4\3\2\1', ''))
256  call assert_equal('d', substitute('D', 'D', 'd', ''))
257  call assert_equal('~', substitute('E', 'E', '~', ''))
258  call assert_equal('~', substitute('F', 'F', '\~', ''))
259  call assert_equal('Gg', substitute('G', 'G', '\ugg', ''))
260  call assert_equal('Hh', substitute('H', 'H', '\Uh\Eh', ''))
261  call assert_equal('iI', substitute('I', 'I', '\lII', ''))
262  call assert_equal('jJ', substitute('J', 'J', '\LJ\EJ', ''))
263  call assert_equal('Kk', substitute('K', 'K', '\Uk\ek', ''))
264  call assert_equal("l\<C-V>\<C-M>l",
265			\ substitute('lLl', 'L', "\<C-V>\<C-M>", ''))
266  call assert_equal("m\<C-M>m", substitute('mMm', 'M', '\r', ''))
267  call assert_equal("n\<C-V>\<C-M>n",
268			\ substitute('nNn', 'N', "\\\<C-V>\<C-M>", ''))
269  call assert_equal("o\no", substitute('oOo', 'O', '\n', ''))
270  call assert_equal("p\<C-H>p", substitute('pPp', 'P', '\b', ''))
271  call assert_equal("q\tq", substitute('qQq', 'Q', '\t', ''))
272  call assert_equal('r\r', substitute('rRr', 'R', '\\', ''))
273  call assert_equal('scs', substitute('sSs', 'S', '\c', ''))
274  call assert_equal("u\nu", substitute('uUu', 'U', "\n", ''))
275  call assert_equal("v\<C-H>v", substitute('vVv', 'V', "\b", ''))
276  call assert_equal("w\\w", substitute('wWw', 'W', "\\", ''))
277  call assert_equal("x\<C-M>x", substitute('xXx', 'X', "\r", ''))
278  call assert_equal("YyyY", substitute('Y', 'Y', '\L\uyYy\l\EY', ''))
279  call assert_equal("zZZz", substitute('Z', 'Z', '\U\lZzZ\u\Ez', ''))
280endfunc
281
282func Test_sub_replace_2()
283  " Run the tests with 'magic' off
284  set nomagic
285  set cpo&
286  call assert_equal('AA', substitute('A', 'A', '&&', ''))
287  call assert_equal('&', substitute('B', 'B', '\&', ''))
288  call assert_equal('C123456789987654321', substitute('C123456789', 'C\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)', '\0\9\8\7\6\5\4\3\2\1', ''))
289  call assert_equal('d', substitute('D', 'D', 'd', ''))
290  call assert_equal('~', substitute('E', 'E', '~', ''))
291  call assert_equal('~', substitute('F', 'F', '\~', ''))
292  call assert_equal('Gg', substitute('G', 'G', '\ugg', ''))
293  call assert_equal('Hh', substitute('H', 'H', '\Uh\Eh', ''))
294  call assert_equal('iI', substitute('I', 'I', '\lII', ''))
295  call assert_equal('jJ', substitute('J', 'J', '\LJ\EJ', ''))
296  call assert_equal('Kk', substitute('K', 'K', '\Uk\ek', ''))
297  call assert_equal("l\<C-V>\<C-M>l",
298			\ substitute('lLl', 'L', "\<C-V>\<C-M>", ''))
299  call assert_equal("m\<C-M>m", substitute('mMm', 'M', '\r', ''))
300  call assert_equal("n\<C-V>\<C-M>n",
301			\ substitute('nNn', 'N', "\\\<C-V>\<C-M>", ''))
302  call assert_equal("o\no", substitute('oOo', 'O', '\n', ''))
303  call assert_equal("p\<C-H>p", substitute('pPp', 'P', '\b', ''))
304  call assert_equal("q\tq", substitute('qQq', 'Q', '\t', ''))
305  call assert_equal('r\r', substitute('rRr', 'R', '\\', ''))
306  call assert_equal('scs', substitute('sSs', 'S', '\c', ''))
307  call assert_equal("t\<C-M>t", substitute('tTt', 'T', "\r", ''))
308  call assert_equal("u\nu", substitute('uUu', 'U', "\n", ''))
309  call assert_equal("v\<C-H>v", substitute('vVv', 'V', "\b", ''))
310  call assert_equal('w\w', substitute('wWw', 'W', "\\", ''))
311  call assert_equal('XxxX', substitute('X', 'X', '\L\uxXx\l\EX', ''))
312  call assert_equal('yYYy', substitute('Y', 'Y', '\U\lYyY\u\Ey', ''))
313endfunc
314
315func Test_sub_replace_3()
316  set magic&
317  set cpo&
318  call assert_equal('a\a', substitute('aAa', 'A', '\="\\"', ''))
319  call assert_equal('b\\b', substitute('bBb', 'B', '\="\\\\"', ''))
320  call assert_equal("c\rc", substitute('cCc', 'C', "\\=\"\r\"", ''))
321  call assert_equal("d\\\rd", substitute('dDd', 'D', "\\=\"\\\\\r\"", ''))
322  call assert_equal("e\\\\\re", substitute('eEe', 'E', "\\=\"\\\\\\\\\r\"", ''))
323  call assert_equal('f\rf', substitute('fFf', 'F', '\="\\r"', ''))
324  call assert_equal('j\nj', substitute('jJj', 'J', '\="\\n"', ''))
325  call assert_equal("k\<C-M>k", substitute('kKk', 'K', '\="\r"', ''))
326  call assert_equal("l\nl", substitute('lLl', 'L', '\="\n"', ''))
327endfunc
328
329" Test for submatch() on substitute().
330func Test_sub_replace_4()
331  set magic&
332  set cpo&
333  call assert_equal('a\a', substitute('aAa', 'A',
334		\ '\=substitute(submatch(0), ".", "\\", "")', ''))
335  call assert_equal('b\b', substitute('bBb', 'B',
336		\ '\=substitute(submatch(0), ".", "\\\\", "")', ''))
337  call assert_equal("c\<C-V>\<C-M>c", substitute('cCc', 'C', '\=substitute(submatch(0), ".", "\<C-V>\<C-M>", "")', ''))
338  call assert_equal("d\<C-V>\<C-M>d", substitute('dDd', 'D', '\=substitute(submatch(0), ".", "\\\<C-V>\<C-M>", "")', ''))
339  call assert_equal("e\\\<C-V>\<C-M>e", substitute('eEe', 'E', '\=substitute(submatch(0), ".", "\\\\\<C-V>\<C-M>", "")', ''))
340  call assert_equal("f\<C-M>f", substitute('fFf', 'F', '\=substitute(submatch(0), ".", "\\r", "")', ''))
341  call assert_equal("j\nj", substitute('jJj', 'J', '\=substitute(submatch(0), ".", "\\n", "")', ''))
342  call assert_equal("k\rk", substitute('kKk', 'K', '\=substitute(submatch(0), ".", "\r", "")', ''))
343  call assert_equal("l\nl", substitute('lLl', 'L', '\=substitute(submatch(0), ".", "\n", "")', ''))
344endfunc
345
346func Test_sub_replace_5()
347  set magic&
348  set cpo&
349  call assert_equal('A123456789987654321', substitute('A123456789',
350		\ 'A\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)',
351		\ '\=submatch(0) . submatch(9) . submatch(8) . ' .
352		\ 'submatch(7) . submatch(6) . submatch(5) . ' .
353		\ 'submatch(4) . submatch(3) . submatch(2) . submatch(1)',
354		\ ''))
355   call assert_equal("[['A123456789'], ['9'], ['8'], ['7'], ['6'], " .
356		\ "['5'], ['4'], ['3'], ['2'], ['1']]",
357		\ substitute('A123456789',
358		\ 'A\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)',
359		\ '\=string([submatch(0, 1), submatch(9, 1), ' .
360		\ 'submatch(8, 1), 7->submatch(1), submatch(6, 1), ' .
361		\ 'submatch(5, 1), submatch(4, 1), submatch(3, 1), ' .
362		\ 'submatch(2, 1), submatch(1, 1)])',
363		\ ''))
364endfunc
365
366func Test_sub_replace_6()
367  set magic&
368  set cpo+=/
369  call assert_equal('a', substitute('A', 'A', 'a', ''))
370  call assert_equal('%', substitute('B', 'B', '%', ''))
371  set cpo-=/
372  call assert_equal('c', substitute('C', 'C', 'c', ''))
373  call assert_equal('%', substitute('D', 'D', '%', ''))
374endfunc
375
376func Test_sub_replace_7()
377  set magic&
378  set cpo&
379  call assert_equal('AA', substitute('AA', 'A.', '\=submatch(0)', ''))
380  call assert_equal("B\nB", substitute("B\nB", 'B.', '\=submatch(0)', ''))
381  call assert_equal("['B\n']B", substitute("B\nB", 'B.', '\=string(submatch(0, 1))', ''))
382  call assert_equal('-abab', substitute('-bb', '\zeb', 'a', 'g'))
383  call assert_equal('c-cbcbc', substitute('-bb', '\ze', 'c', 'g'))
384endfunc
385
386" Test for *:s%* on :substitute.
387func Test_sub_replace_8()
388  new
389  set magic&
390  set cpo&
391  $put =',,X'
392  s/\(^\|,\)\ze\(,\|X\)/\1N/g
393  call assert_equal('N,,NX', getline("$"))
394  $put =',,Y'
395  let cmd = ':s/\(^\|,\)\ze\(,\|Y\)/\1N/gc'
396  call feedkeys(cmd . "\<CR>a", "xt")
397  call assert_equal('N,,NY', getline("$"))
398  :$put =',,Z'
399  let cmd = ':s/\(^\|,\)\ze\(,\|Z\)/\1N/gc'
400  call feedkeys(cmd . "\<CR>yy", "xt")
401  call assert_equal('N,,NZ', getline("$"))
402  enew! | close
403endfunc
404
405func Test_sub_replace_9()
406  new
407  set magic&
408  set cpo&
409  $put ='xxx'
410  call feedkeys(":s/x/X/gc\<CR>yyq", "xt")
411  call assert_equal('XXx', getline("$"))
412  enew! | close
413endfunc
414
415func Test_sub_replace_10()
416   set magic&
417   set cpo&
418   call assert_equal('a1a2a3a', substitute('123', '\zs', 'a', 'g'))
419   call assert_equal('aaa', substitute('123', '\zs.', 'a', 'g'))
420   call assert_equal('1a2a3a', substitute('123', '.\zs', 'a', 'g'))
421   call assert_equal('a1a2a3a', substitute('123', '\ze', 'a', 'g'))
422   call assert_equal('a1a2a3', substitute('123', '\ze.', 'a', 'g'))
423   call assert_equal('aaa', substitute('123', '.\ze', 'a', 'g'))
424   call assert_equal('aa2a3a', substitute('123', '1\|\ze', 'a', 'g'))
425   call assert_equal('1aaa', substitute('123', '1\zs\|[23]', 'a', 'g'))
426endfunc
427
428func SubReplacer(text, submatches)
429  return a:text .. a:submatches[0] .. a:text
430endfunc
431func SubReplacer20(t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, submatches)
432  return a:t3 .. a:submatches[0] .. a:t11
433endfunc
434
435func Test_substitute_partial()
436   call assert_equal('1foo2foo3', substitute('123', '2', function('SubReplacer', ['foo']), 'g'))
437
438   " 19 arguments plus one is just OK
439   let Replacer = function('SubReplacer20', repeat(['foo'], 19))
440   call assert_equal('1foo2foo3', substitute('123', '2', Replacer, 'g'))
441
442   " 20 arguments plus one is too many
443   let Replacer = function('SubReplacer20', repeat(['foo'], 20))
444   call assert_fails("call substitute('123', '2', Replacer, 'g')", 'E118')
445endfunc
446
447" Tests for *sub-replace-special* and *sub-replace-expression* on :substitute.
448
449" Execute a list of :substitute command tests
450func Run_SubCmd_Tests(tests)
451  enew!
452  for t in a:tests
453    let start = line('.') + 1
454    let end = start + len(t[2]) - 1
455    " TODO: why is there a one second delay the first time we get here?
456    exe "normal o" . t[0]
457    call cursor(start, 1)
458    exe t[1]
459    call assert_equal(t[2], getline(start, end), t[1])
460  endfor
461  enew!
462endfunc
463
464func Test_sub_cmd_1()
465  set magic
466  set cpo&
467
468  " List entry format: [input, cmd, output]
469  let tests = [['A', 's/A/&&/', ['AA']],
470	      \ ['B', 's/B/\&/', ['&']],
471	      \ ['C123456789', 's/C\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)/\0\9\8\7\6\5\4\3\2\1/', ['C123456789987654321']],
472	      \ ['D', 's/D/d/', ['d']],
473	      \ ['E', 's/E/~/', ['d']],
474	      \ ['F', 's/F/\~/', ['~']],
475	      \ ['G', 's/G/\ugg/', ['Gg']],
476	      \ ['H', 's/H/\Uh\Eh/', ['Hh']],
477	      \ ['I', 's/I/\lII/', ['iI']],
478	      \ ['J', 's/J/\LJ\EJ/', ['jJ']],
479	      \ ['K', 's/K/\Uk\ek/', ['Kk']],
480	      \ ['lLl', "s/L/\<C-V>\<C-M>/", ["l\<C-V>", 'l']],
481	      \ ['mMm', 's/M/\r/', ['m', 'm']],
482	      \ ['nNn', "s/N/\\\<C-V>\<C-M>/", ["n\<C-V>", 'n']],
483	      \ ['oOo', 's/O/\n/', ["o\no"]],
484	      \ ['pPp', 's/P/\b/', ["p\<C-H>p"]],
485	      \ ['qQq', 's/Q/\t/', ["q\tq"]],
486	      \ ['rRr', 's/R/\\/', ['r\r']],
487	      \ ['sSs', 's/S/\c/', ['scs']],
488	      \ ['tTt', "s/T/\<C-V>\<C-J>/", ["t\<C-V>\<C-J>t"]],
489	      \ ['U', 's/U/\L\uuUu\l\EU/', ['UuuU']],
490	      \ ['V', 's/V/\U\lVvV\u\Ev/', ['vVVv']]
491	      \ ]
492  call Run_SubCmd_Tests(tests)
493endfunc
494
495func Test_sub_cmd_2()
496  set nomagic
497  set cpo&
498
499  " List entry format: [input, cmd, output]
500  let tests = [['A', 's/A/&&/', ['&&']],
501	      \ ['B', 's/B/\&/', ['B']],
502	      \ ['C123456789', 's/\mC\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)/\0\9\8\7\6\5\4\3\2\1/', ['C123456789987654321']],
503	      \ ['D', 's/D/d/', ['d']],
504	      \ ['E', 's/E/~/', ['~']],
505	      \ ['F', 's/F/\~/', ['~']],
506	      \ ['G', 's/G/\ugg/', ['Gg']],
507	      \ ['H', 's/H/\Uh\Eh/', ['Hh']],
508	      \ ['I', 's/I/\lII/', ['iI']],
509	      \ ['J', 's/J/\LJ\EJ/', ['jJ']],
510	      \ ['K', 's/K/\Uk\ek/', ['Kk']],
511	      \ ['lLl', "s/L/\<C-V>\<C-M>/", ["l\<C-V>", 'l']],
512	      \ ['mMm', 's/M/\r/', ['m', 'm']],
513	      \ ['nNn', "s/N/\\\<C-V>\<C-M>/", ["n\<C-V>", 'n']],
514	      \ ['oOo', 's/O/\n/', ["o\no"]],
515	      \ ['pPp', 's/P/\b/', ["p\<C-H>p"]],
516	      \ ['qQq', 's/Q/\t/', ["q\tq"]],
517	      \ ['rRr', 's/R/\\/', ['r\r']],
518	      \ ['sSs', 's/S/\c/', ['scs']],
519	      \ ['tTt', "s/T/\<C-V>\<C-J>/", ["t\<C-V>\<C-J>t"]],
520	      \ ['U', 's/U/\L\uuUu\l\EU/', ['UuuU']],
521	      \ ['V', 's/V/\U\lVvV\u\Ev/', ['vVVv']]
522	      \ ]
523  call Run_SubCmd_Tests(tests)
524endfunc
525
526func Test_sub_cmd_3()
527  set nomagic
528  set cpo&
529
530  " List entry format: [input, cmd, output]
531  let tests = [['aAa', "s/A/\\='\\'/", ['a\a']],
532	      \ ['bBb', "s/B/\\='\\\\'/", ['b\\b']],
533	      \ ['cCc', "s/C/\\='\<C-V>\<C-M>'/", ["c\<C-V>", 'c']],
534	      \ ['dDd', "s/D/\\='\\\<C-V>\<C-M>'/", ["d\\\<C-V>", 'd']],
535	      \ ['eEe', "s/E/\\='\\\\\<C-V>\<C-M>'/", ["e\\\\\<C-V>", 'e']],
536	      \ ['fFf', "s/F/\\='\r'/", ['f', 'f']],
537	      \ ['gGg', "s/G/\\='\<C-V>\<C-J>'/", ["g\<C-V>", 'g']],
538	      \ ['hHh', "s/H/\\='\\\<C-V>\<C-J>'/", ["h\\\<C-V>", 'h']],
539	      \ ['iIi', "s/I/\\='\\\\\<C-V>\<C-J>'/", ["i\\\\\<C-V>", 'i']],
540	      \ ['jJj', "s/J/\\='\n'/", ['j', 'j']],
541	      \ ['kKk', 's/K/\="\r"/', ['k', 'k']],
542	      \ ['lLl', 's/L/\="\n"/', ['l', 'l']]
543	      \ ]
544  call Run_SubCmd_Tests(tests)
545endfunc
546
547" Test for submatch() on :substitute.
548func Test_sub_cmd_4()
549  set magic&
550  set cpo&
551
552  " List entry format: [input, cmd, output]
553  let tests = [ ['aAa', "s/A/\\=substitute(submatch(0), '.', '\\', '')/",
554	      \				['a\a']],
555	      \ ['bBb', "s/B/\\=substitute(submatch(0), '.', '\\', '')/",
556	      \				['b\b']],
557	      \ ['cCc', "s/C/\\=substitute(submatch(0), '.', '\<C-V>\<C-M>', '')/",
558	      \				["c\<C-V>", 'c']],
559	      \ ['dDd', "s/D/\\=substitute(submatch(0), '.', '\\\<C-V>\<C-M>', '')/",
560	      \				["d\<C-V>", 'd']],
561	      \ ['eEe', "s/E/\\=substitute(submatch(0), '.', '\\\\\<C-V>\<C-M>', '')/",
562	      \				["e\\\<C-V>", 'e']],
563	      \ ['fFf', "s/F/\\=substitute(submatch(0), '.', '\\r', '')/",
564	      \				['f', 'f']],
565	      \ ['gGg', 's/G/\=substitute(submatch(0), ".", "\<C-V>\<C-J>", "")/',
566	      \				["g\<C-V>", 'g']],
567	      \ ['hHh', 's/H/\=substitute(submatch(0), ".", "\\\<C-V>\<C-J>", "")/',
568	      \				["h\<C-V>", 'h']],
569	      \ ['iIi', 's/I/\=substitute(submatch(0), ".", "\\\\\<C-V>\<C-J>", "")/',
570	      \				["i\\\<C-V>", 'i']],
571	      \ ['jJj', "s/J/\\=substitute(submatch(0), '.', '\\n', '')/",
572	      \				['j', 'j']],
573	      \ ['kKk', "s/K/\\=substitute(submatch(0), '.', '\\r', '')/",
574	      \				['k', 'k']],
575	      \ ['lLl', "s/L/\\=substitute(submatch(0), '.', '\\n', '')/",
576	      \				['l', 'l']],
577	      \ ]
578  call Run_SubCmd_Tests(tests)
579endfunc
580
581func Test_sub_cmd_5()
582  set magic&
583  set cpo&
584
585  " List entry format: [input, cmd, output]
586  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']],
587	      \ ['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']]"]],
588	      \ ]
589  call Run_SubCmd_Tests(tests)
590endfunc
591
592" Test for *:s%* on :substitute.
593func Test_sub_cmd_6()
594  set magic&
595  set cpo+=/
596
597  " List entry format: [input, cmd, output]
598  let tests = [ ['A', 's/A/a/', ['a']],
599	      \ ['B', 's/B/%/', ['a']],
600	      \ ]
601  call Run_SubCmd_Tests(tests)
602
603  set cpo-=/
604  let tests = [ ['C', 's/C/c/', ['c']],
605	      \ ['D', 's/D/%/', ['%']],
606	      \ ]
607  call Run_SubCmd_Tests(tests)
608
609  set cpo&
610endfunc
611
612" Test for :s replacing \n with  line break.
613func Test_sub_cmd_7()
614  set magic&
615  set cpo&
616
617  " List entry format: [input, cmd, output]
618  let tests = [ ["A\<C-V>\<C-M>A", 's/A./\=submatch(0)/', ['A', 'A']],
619	      \ ["B\<C-V>\<C-J>B", 's/B./\=submatch(0)/', ['B', 'B']],
620	      \ ["C\<C-V>\<C-J>C", 's/C./\=strtrans(string(submatch(0, 1)))/', [strtrans("['C\<C-J>']C")]],
621	      \ ["D\<C-V>\<C-J>\nD", 's/D.\nD/\=strtrans(string(submatch(0, 1)))/', [strtrans("['D\<C-J>', 'D']")]],
622	      \ ["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']")]],
623	      \ ]
624  call Run_SubCmd_Tests(tests)
625
626  exe "normal oQ\nQ\<Esc>k"
627  call assert_fails('s/Q[^\n]Q/\=submatch(0)."foobar"/', 'E486')
628  enew!
629endfunc
630
631func TitleString()
632  let check = 'foo' =~ 'bar'
633  return ""
634endfunc
635
636func Test_sub_cmd_8()
637  set titlestring=%{TitleString()}
638
639  enew!
640  call append(0, ['', 'test_one', 'test_two'])
641  call cursor(1,1)
642  /^test_one/s/.*/\="foo\nbar"/
643  call assert_equal('foo', getline(2))
644  call assert_equal('bar', getline(3))
645  call feedkeys(':/^test_two/s/.*/\="foo\nbar"/c', "t")
646  call feedkeys("\<CR>y", "xt")
647  call assert_equal('foo', getline(4))
648  call assert_equal('bar', getline(5))
649
650  enew!
651  set titlestring&
652endfunc
653
654func Test_sub_cmd_9()
655  new
656  let input = ['1 aaa', '2 aaa', '3 aaa']
657  call setline(1, input)
658  func Foo()
659    return submatch(0)
660  endfunc
661  %s/aaa/\=Foo()/gn
662  call assert_equal(input, getline(1, '$'))
663  call assert_equal(1, &modifiable)
664
665  delfunc Foo
666  bw!
667endfunc
668
669func Test_nocatch_sub_failure_handling()
670  " normal error results in all replacements
671  func Foo()
672    foobar
673  endfunc
674  new
675  call setline(1, ['1 aaa', '2 aaa', '3 aaa'])
676  %s/aaa/\=Foo()/g
677  call assert_equal(['1 0', '2 0', '3 0'], getline(1, 3))
678
679  " Trow without try-catch causes abort after the first line.
680  " We cannot test this, since it would stop executing the test script.
681
682  " try/catch does not result in any changes
683  func! Foo()
684    throw 'error'
685  endfunc
686  call setline(1, ['1 aaa', '2 aaa', '3 aaa'])
687  let error_caught = 0
688  try
689    %s/aaa/\=Foo()/g
690  catch
691    let error_caught = 1
692  endtry
693  call assert_equal(1, error_caught)
694  call assert_equal(['1 aaa', '2 aaa', '3 aaa'], getline(1, 3))
695
696  " Same, but using "n" flag so that "sandbox" gets set
697  call setline(1, ['1 aaa', '2 aaa', '3 aaa'])
698  let error_caught = 0
699  try
700    %s/aaa/\=Foo()/gn
701  catch
702    let error_caught = 1
703  endtry
704  call assert_equal(1, error_caught)
705  call assert_equal(['1 aaa', '2 aaa', '3 aaa'], getline(1, 3))
706
707  delfunc Foo
708  bwipe!
709endfunc
710
711" Test ":s/pat/sub/" with different ~s in sub.
712func Test_replace_with_tilde()
713  new
714  " Set the last replace string to empty
715  s/^$//
716  call append(0, ['- Bug in "vPPPP" on this text:'])
717  normal gg
718  s/u/~u~/
719  call assert_equal('- Bug in "vPPPP" on this text:', getline(1))
720  s/i/~u~/
721  call assert_equal('- Bug uuun "vPPPP" on this text:', getline(1))
722  s/o/~~~/
723  call assert_equal('- Bug uuun "vPPPP" uuuuuuuuun this text:', getline(1))
724  close!
725endfunc
726
727func Test_replace_keeppatterns()
728  new
729  a
730foobar
731
732substitute foo asdf
733
734one two
735.
736
737  normal gg
738  /^substitute
739  s/foo/bar/
740  call assert_equal('foo', @/)
741  call assert_equal('substitute bar asdf', getline('.'))
742
743  /^substitute
744  keeppatterns s/asdf/xyz/
745  call assert_equal('^substitute', @/)
746  call assert_equal('substitute bar xyz', getline('.'))
747
748  exe "normal /bar /e\<CR>"
749  call assert_equal(15, col('.'))
750  normal -
751  keeppatterns /xyz
752  call assert_equal('bar ', @/)
753  call assert_equal('substitute bar xyz', getline('.'))
754  exe "normal 0dn"
755  call assert_equal('xyz', getline('.'))
756
757  close!
758endfunc
759
760func Test_sub_beyond_end()
761  new
762  call setline(1, '#')
763  let @/ = '^#\n\zs'
764  s///e
765  call assert_equal('#', getline(1))
766  bwipe!
767endfunc
768
769" Test for repeating last substitution using :~ and :&r
770func Test_repeat_last_sub()
771  new
772  call setline(1, ['blue green yellow orange white'])
773  s/blue/red/
774  let @/ = 'yellow'
775  ~
776  let @/ = 'white'
777  :&r
778  let @/ = 'green'
779  s//gray
780  call assert_equal('red gray red orange red', getline(1))
781  close!
782endfunc
783
784" Test for Vi compatible substitution:
785"     \/{string}/, \?{string}? and \&{string}&
786func Test_sub_vi_compatibility()
787  new
788  call setline(1, ['blue green yellow orange blue'])
789  let @/ = 'orange'
790  s\/white/
791  let @/ = 'blue'
792  s\?amber?
793  let @/ = 'white'
794  s\&green&
795  call assert_equal('amber green yellow white green', getline(1))
796  close!
797endfunc
798
799" Test for substitute with the new text longer than the original text
800func Test_sub_expand_text()
801  new
802  call setline(1, 'abcabcabcabcabcabcabcabc')
803  s/b/\=repeat('B', 10)/g
804  call assert_equal(repeat('aBBBBBBBBBBc', 8), getline(1))
805  close!
806endfunc
807
808" Test for command failures when the last substitute pattern is not set.
809func Test_sub_with_no_last_pat()
810  let lines =<< trim [SCRIPT]
811    call assert_fails('~', 'E33:')
812    call assert_fails('s//abc/g', 'E476:')
813    call assert_fails('s\/bar', 'E476:')
814    call assert_fails('s\&bar&', 'E476:')
815    call writefile(v:errors, 'Xresult')
816    qall!
817  [SCRIPT]
818  call writefile(lines, 'Xscript')
819  if RunVim([], [], '--clean -S Xscript')
820    call assert_equal([], readfile('Xresult'))
821  endif
822
823  let lines =<< trim [SCRIPT]
824    set cpo+=/
825    call assert_fails('s/abc/%/', 'E33:')
826    call writefile(v:errors, 'Xresult')
827    qall!
828  [SCRIPT]
829  call writefile(lines, 'Xscript')
830  if RunVim([], [], '--clean -S Xscript')
831    call assert_equal([], readfile('Xresult'))
832  endif
833
834  call delete('Xscript')
835  call delete('Xresult')
836endfunc
837
838" vim: shiftwidth=2 sts=2 expandtab
839