xref: /vim-8.2.3635/src/testdir/test_expr.vim (revision 004a6781)
1" Tests for expressions.
2
3func Test_equal()
4  let base = {}
5  func base.method()
6    return 1
7  endfunc
8  func base.other() dict
9    return 1
10  endfunc
11  let instance = copy(base)
12  call assert_true(base.method == instance.method)
13  call assert_true([base.method] == [instance.method])
14  call assert_true(base.other == instance.other)
15  call assert_true([base.other] == [instance.other])
16
17  call assert_false(base.method == base.other)
18  call assert_false([base.method] == [base.other])
19  call assert_false(base.method == instance.other)
20  call assert_false([base.method] == [instance.other])
21
22  call assert_fails('echo base.method > instance.method')
23endfunc
24
25func Test_version()
26  call assert_true(has('patch-7.4.001'))
27  call assert_true(has('patch-7.4.01'))
28  call assert_true(has('patch-7.4.1'))
29  call assert_true(has('patch-6.9.999'))
30  call assert_true(has('patch-7.1.999'))
31  call assert_true(has('patch-7.4.123'))
32
33  call assert_false(has('patch-7'))
34  call assert_false(has('patch-7.4'))
35  call assert_false(has('patch-7.4.'))
36  call assert_false(has('patch-9.1.0'))
37  call assert_false(has('patch-9.9.1'))
38endfunc
39
40func Test_dict()
41  let d = {'': 'empty', 'a': 'a', 0: 'zero'}
42  call assert_equal('empty', d[''])
43  call assert_equal('a', d['a'])
44  call assert_equal('zero', d[0])
45  call assert_true(has_key(d, ''))
46  call assert_true(has_key(d, 'a'))
47
48  let d[''] = 'none'
49  let d['a'] = 'aaa'
50  call assert_equal('none', d[''])
51  call assert_equal('aaa', d['a'])
52endfunc
53
54func Test_strgetchar()
55  call assert_equal(char2nr('a'), strgetchar('axb', 0))
56  call assert_equal(char2nr('x'), 'axb'->strgetchar(1))
57  call assert_equal(char2nr('b'), strgetchar('axb', 2))
58
59  call assert_equal(-1, strgetchar('axb', -1))
60  call assert_equal(-1, strgetchar('axb', 3))
61  call assert_equal(-1, strgetchar('', 0))
62  call assert_fails("let c=strgetchar([], 1)", 'E730:')
63  call assert_fails("let c=strgetchar('axb', [])", 'E745:')
64endfunc
65
66func Test_strcharpart()
67  call assert_equal('a', strcharpart('axb', 0, 1))
68  call assert_equal('x', 'axb'->strcharpart(1, 1))
69  call assert_equal('b', strcharpart('axb', 2, 1))
70  call assert_equal('xb', strcharpart('axb', 1))
71
72  call assert_equal('', strcharpart('axb', 1, 0))
73  call assert_equal('', strcharpart('axb', 1, -1))
74  call assert_equal('', strcharpart('axb', -1, 1))
75  call assert_equal('', strcharpart('axb', -2, 2))
76
77  call assert_equal('a', strcharpart('axb', -1, 2))
78
79  call assert_equal('edit', "editor"[-10:3])
80endfunc
81
82func Test_getreg_empty_list()
83  call assert_equal('', getreg('x'))
84  call assert_equal([], getreg('x', 1, 1))
85  let x = getreg('x', 1, 1)
86  let y = x
87  call add(x, 'foo')
88  call assert_equal(['foo'], y)
89endfunc
90
91func Test_loop_over_null_list()
92  let null_list = test_null_list()
93  for i in null_list
94    call assert_report('should not get here')
95  endfor
96endfunc
97
98func Test_compare_null_dict()
99  call assert_fails('let x = test_null_dict()[10]')
100  call assert_equal({}, {})
101  call assert_equal(test_null_dict(), test_null_dict())
102  call assert_notequal({}, test_null_dict())
103endfunc
104
105func Test_set_reg_null_list()
106  call setreg('x', test_null_list())
107endfunc
108
109func Test_special_char()
110  " The failure is only visible using valgrind.
111  call assert_fails('echo "\<C-">')
112endfunc
113
114func Test_option_value()
115  " boolean
116  set bri
117  call assert_equal(1, &bri)
118  set nobri
119  call assert_equal(0, &bri)
120
121  " number
122  set ts=1
123  call assert_equal(1, &ts)
124  set ts=8
125  call assert_equal(8, &ts)
126
127  " string
128  exe "set cedit=\<Esc>"
129  call assert_equal("\<Esc>", &cedit)
130  set cpo=
131  call assert_equal("", &cpo)
132  set cpo=abcdefgi
133  call assert_equal("abcdefgi", &cpo)
134  set cpo&vim
135endfunc
136
137function Test_printf_misc()
138  call assert_equal('123', printf('123'))
139  call assert_fails("call printf('123', 3)", "E767:")
140
141  call assert_equal('123', printf('%d', 123))
142  call assert_equal('123', printf('%i', 123))
143  call assert_equal('123', printf('%D', 123))
144  call assert_equal('123', printf('%U', 123))
145  call assert_equal('173', printf('%o', 123))
146  call assert_equal('173', printf('%O', 123))
147  call assert_equal('7b', printf('%x', 123))
148  call assert_equal('7B', printf('%X', 123))
149
150  call assert_equal('123', printf('%hd', 123))
151  call assert_equal('-123', printf('%hd', -123))
152  call assert_equal('-1', printf('%hd', 0xFFFF))
153  call assert_equal('-1', printf('%hd', 0x1FFFFF))
154
155  call assert_equal('123', printf('%hu', 123))
156  call assert_equal('65413', printf('%hu', -123))
157  call assert_equal('65535', printf('%hu', 0xFFFF))
158  call assert_equal('65535', printf('%hu', 0x1FFFFF))
159
160  call assert_equal('123', printf('%ld', 123))
161  call assert_equal('-123', printf('%ld', -123))
162  call assert_equal('65535', printf('%ld', 0xFFFF))
163  call assert_equal('131071', printf('%ld', 0x1FFFF))
164
165  if has('ebcdic')
166    call assert_equal('#', printf('%c', 123))
167  else
168    call assert_equal('{', printf('%c', 123))
169  endif
170  call assert_equal('abc', printf('%s', 'abc'))
171  call assert_equal('abc', printf('%S', 'abc'))
172
173  call assert_equal('+123', printf('%+d', 123))
174  call assert_equal('-123', printf('%+d', -123))
175  call assert_equal('+123', printf('%+ d', 123))
176  call assert_equal(' 123', printf('% d', 123))
177  call assert_equal(' 123', printf('%  d', 123))
178  call assert_equal('-123', printf('% d', -123))
179
180  call assert_equal('123', printf('%2d', 123))
181  call assert_equal('   123', printf('%6d', 123))
182  call assert_equal('000123', printf('%06d', 123))
183  call assert_equal('+00123', printf('%+06d', 123))
184  call assert_equal(' 00123', printf('% 06d', 123))
185  call assert_equal('  +123', printf('%+6d', 123))
186  call assert_equal('   123', printf('% 6d', 123))
187  call assert_equal('  -123', printf('% 6d', -123))
188
189  " Test left adjusted.
190  call assert_equal('123   ', printf('%-6d', 123))
191  call assert_equal('+123  ', printf('%-+6d', 123))
192  call assert_equal(' 123  ', printf('%- 6d', 123))
193  call assert_equal('-123  ', printf('%- 6d', -123))
194
195  call assert_equal('  00123', printf('%7.5d', 123))
196  call assert_equal(' -00123', printf('%7.5d', -123))
197  call assert_equal(' +00123', printf('%+7.5d', 123))
198  " Precision field should not be used when combined with %0
199  call assert_equal('  00123', printf('%07.5d', 123))
200  call assert_equal(' -00123', printf('%07.5d', -123))
201
202  call assert_equal('  123', printf('%*d', 5, 123))
203  call assert_equal('123  ', printf('%*d', -5, 123))
204  call assert_equal('00123', printf('%.*d', 5, 123))
205  call assert_equal('  123', printf('% *d', 5, 123))
206  call assert_equal(' +123', printf('%+ *d', 5, 123))
207
208  call assert_equal('foobar', printf('%.*s',  9, 'foobar'))
209  call assert_equal('foo',    printf('%.*s',  3, 'foobar'))
210  call assert_equal('',       printf('%.*s',  0, 'foobar'))
211  call assert_equal('foobar', printf('%.*s', -1, 'foobar'))
212
213  " Simple quote (thousand grouping char) is ignored.
214  call assert_equal('+00123456', printf("%+'09d", 123456))
215
216  " Unrecognized format specifier kept as-is.
217  call assert_equal('_123', printf("%_%d", 123))
218
219  " Test alternate forms.
220  call assert_equal('0x7b', printf('%#x', 123))
221  call assert_equal('0X7B', printf('%#X', 123))
222  call assert_equal('0173', printf('%#o', 123))
223  call assert_equal('0173', printf('%#O', 123))
224  call assert_equal('abc', printf('%#s', 'abc'))
225  call assert_equal('abc', printf('%#S', 'abc'))
226  call assert_equal('  0173', printf('%#6o', 123))
227  call assert_equal(' 00173', printf('%#6.5o', 123))
228  call assert_equal('  0173', printf('%#6.2o', 123))
229  call assert_equal('  0173', printf('%#6.2o', 123))
230  call assert_equal('0173', printf('%#2.2o', 123))
231
232  call assert_equal(' 00123', printf('%6.5d', 123))
233  call assert_equal(' 0007b', printf('%6.5x', 123))
234
235  call assert_equal('123', printf('%.2d', 123))
236  call assert_equal('0123', printf('%.4d', 123))
237  call assert_equal('0000000123', printf('%.10d', 123))
238  call assert_equal('123', printf('%.0d', 123))
239
240  call assert_equal('abc', printf('%2s', 'abc'))
241  call assert_equal('abc', printf('%2S', 'abc'))
242  call assert_equal('abc', printf('%.4s', 'abc'))
243  call assert_equal('abc', printf('%.4S', 'abc'))
244  call assert_equal('ab', printf('%.2s', 'abc'))
245  call assert_equal('ab', printf('%.2S', 'abc'))
246  call assert_equal('', printf('%.0s', 'abc'))
247  call assert_equal('', printf('%.s', 'abc'))
248  call assert_equal(' abc', printf('%4s', 'abc'))
249  call assert_equal(' abc', printf('%4S', 'abc'))
250  call assert_equal('0abc', printf('%04s', 'abc'))
251  call assert_equal('0abc', printf('%04S', 'abc'))
252  call assert_equal('abc ', printf('%-4s', 'abc'))
253  call assert_equal('abc ', printf('%-4S', 'abc'))
254
255  call assert_equal('��', printf('%.2S', '����'))
256  call assert_equal('', printf('%.1S', '����'))
257
258  call assert_equal('1%', printf('%d%%', 1))
259endfunc
260
261function Test_printf_float()
262  if has('float')
263    call assert_equal('1.000000', printf('%f', 1))
264    call assert_equal('1.230000', printf('%f', 1.23))
265    call assert_equal('1.230000', printf('%F', 1.23))
266    call assert_equal('9999999.9', printf('%g', 9999999.9))
267    call assert_equal('9999999.9', printf('%G', 9999999.9))
268    call assert_equal('1.00000001e7', printf('%.8g', 10000000.1))
269    call assert_equal('1.00000001E7', printf('%.8G', 10000000.1))
270    call assert_equal('1.230000e+00', printf('%e', 1.23))
271    call assert_equal('1.230000E+00', printf('%E', 1.23))
272    call assert_equal('1.200000e-02', printf('%e', 0.012))
273    call assert_equal('-1.200000e-02', printf('%e', -0.012))
274    call assert_equal('0.33', printf('%.2f', 1.0/3.0))
275    call assert_equal('  0.33', printf('%6.2f', 1.0/3.0))
276    call assert_equal(' -0.33', printf('%6.2f', -1.0/3.0))
277    call assert_equal('000.33', printf('%06.2f', 1.0/3.0))
278    call assert_equal('-00.33', printf('%06.2f', -1.0/3.0))
279    call assert_equal('-00.33', printf('%+06.2f', -1.0/3.0))
280    call assert_equal('+00.33', printf('%+06.2f', 1.0/3.0))
281    call assert_equal(' 00.33', printf('% 06.2f', 1.0/3.0))
282    call assert_equal('000.33', printf('%06.2g', 1.0/3.0))
283    call assert_equal('-00.33', printf('%06.2g', -1.0/3.0))
284    call assert_equal('0.33', printf('%3.2f', 1.0/3.0))
285    call assert_equal('003.33e-01', printf('%010.2e', 1.0/3.0))
286    call assert_equal(' 03.33e-01', printf('% 010.2e', 1.0/3.0))
287    call assert_equal('+03.33e-01', printf('%+010.2e', 1.0/3.0))
288    call assert_equal('-03.33e-01', printf('%010.2e', -1.0/3.0))
289
290    " When precision is 0, the dot should be omitted.
291    call assert_equal('  2', printf('%3.f', 7.0/3.0))
292    call assert_equal('  2', printf('%3.g', 7.0/3.0))
293    call assert_equal('  2e+00', printf('%7.e', 7.0/3.0))
294
295    " Float zero can be signed.
296    call assert_equal('+0.000000', printf('%+f', 0.0))
297    call assert_equal('0.000000', printf('%f', 1.0/(1.0/0.0)))
298    call assert_equal('-0.000000', printf('%f', 1.0/(-1.0/0.0)))
299    call assert_equal('0.0', printf('%s', 1.0/(1.0/0.0)))
300    call assert_equal('-0.0', printf('%s', 1.0/(-1.0/0.0)))
301    call assert_equal('0.0', printf('%S', 1.0/(1.0/0.0)))
302    call assert_equal('-0.0', printf('%S', 1.0/(-1.0/0.0)))
303
304    " Float infinity can be signed.
305    call assert_equal('inf', printf('%f', 1.0/0.0))
306    call assert_equal('-inf', printf('%f', -1.0/0.0))
307    call assert_equal('inf', printf('%g', 1.0/0.0))
308    call assert_equal('-inf', printf('%g', -1.0/0.0))
309    call assert_equal('inf', printf('%e', 1.0/0.0))
310    call assert_equal('-inf', printf('%e', -1.0/0.0))
311    call assert_equal('INF', printf('%F', 1.0/0.0))
312    call assert_equal('-INF', printf('%F', -1.0/0.0))
313    call assert_equal('INF', printf('%E', 1.0/0.0))
314    call assert_equal('-INF', printf('%E', -1.0/0.0))
315    call assert_equal('INF', printf('%E', 1.0/0.0))
316    call assert_equal('-INF', printf('%G', -1.0/0.0))
317    call assert_equal('+inf', printf('%+f', 1.0/0.0))
318    call assert_equal('-inf', printf('%+f', -1.0/0.0))
319    call assert_equal(' inf', printf('% f',  1.0/0.0))
320    call assert_equal('   inf', printf('%6f', 1.0/0.0))
321    call assert_equal('  -inf', printf('%6f', -1.0/0.0))
322    call assert_equal('   inf', printf('%6g', 1.0/0.0))
323    call assert_equal('  -inf', printf('%6g', -1.0/0.0))
324    call assert_equal('  +inf', printf('%+6f', 1.0/0.0))
325    call assert_equal('   inf', printf('% 6f', 1.0/0.0))
326    call assert_equal('  +inf', printf('%+06f', 1.0/0.0))
327    call assert_equal('inf   ', printf('%-6f', 1.0/0.0))
328    call assert_equal('-inf  ', printf('%-6f', -1.0/0.0))
329    call assert_equal('+inf  ', printf('%-+6f', 1.0/0.0))
330    call assert_equal(' inf  ', printf('%- 6f', 1.0/0.0))
331    call assert_equal('-INF  ', printf('%-6F', -1.0/0.0))
332    call assert_equal('+INF  ', printf('%-+6F', 1.0/0.0))
333    call assert_equal(' INF  ', printf('%- 6F', 1.0/0.0))
334    call assert_equal('INF   ', printf('%-6G', 1.0/0.0))
335    call assert_equal('-INF  ', printf('%-6G', -1.0/0.0))
336    call assert_equal('INF   ', printf('%-6E', 1.0/0.0))
337    call assert_equal('-INF  ', printf('%-6E', -1.0/0.0))
338    call assert_equal('inf', printf('%s', 1.0/0.0))
339    call assert_equal('-inf', printf('%s', -1.0/0.0))
340
341    " Test special case where max precision is truncated at 340.
342    call assert_equal('1.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', printf('%.330f', 1.0))
343    call assert_equal('1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', printf('%.340f', 1.0))
344    call assert_equal('1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', printf('%.350f', 1.0))
345
346    " Float nan (not a number) has no sign.
347    call assert_equal('nan', printf('%f', sqrt(-1.0)))
348    call assert_equal('nan', printf('%f', 0.0/0.0))
349    call assert_equal('nan', printf('%f', -0.0/0.0))
350    call assert_equal('nan', printf('%g', 0.0/0.0))
351    call assert_equal('nan', printf('%e', 0.0/0.0))
352    call assert_equal('NAN', printf('%F', 0.0/0.0))
353    call assert_equal('NAN', printf('%G', 0.0/0.0))
354    call assert_equal('NAN', printf('%E', 0.0/0.0))
355    call assert_equal('NAN', printf('%F', -0.0/0.0))
356    call assert_equal('NAN', printf('%G', -0.0/0.0))
357    call assert_equal('NAN', printf('%E', -0.0/0.0))
358    call assert_equal('   nan', printf('%6f', 0.0/0.0))
359    call assert_equal('   nan', printf('%06f', 0.0/0.0))
360    call assert_equal('nan   ', printf('%-6f', 0.0/0.0))
361    call assert_equal('nan   ', printf('%- 6f', 0.0/0.0))
362    call assert_equal('nan', printf('%s', 0.0/0.0))
363    call assert_equal('nan', printf('%s', -0.0/0.0))
364    call assert_equal('nan', printf('%S', 0.0/0.0))
365    call assert_equal('nan', printf('%S', -0.0/0.0))
366
367    call assert_fails('echo printf("%f", "a")', 'E807:')
368  endif
369endfunc
370
371function Test_printf_errors()
372  call assert_fails('echo printf("%d", {})', 'E728:')
373  call assert_fails('echo printf("%d", [])', 'E745:')
374  call assert_fails('echo printf("%d", 1, 2)', 'E767:')
375  call assert_fails('echo printf("%*d", 1)', 'E766:')
376  if has('float')
377    call assert_fails('echo printf("%d", 1.2)', 'E805:')
378  endif
379endfunc
380
381function Test_max_min_errors()
382  call assert_fails('call max(v:true)', 'E712:')
383  call assert_fails('call max(v:true)', 'max()')
384  call assert_fails('call min(v:true)', 'E712:')
385  call assert_fails('call min(v:true)', 'min()')
386endfunc
387
388function Test_printf_64bit()
389  call assert_equal("123456789012345", printf('%d', 123456789012345))
390endfunc
391
392function Test_printf_spec_s()
393  " number
394  call assert_equal("1234567890", printf('%s', 1234567890))
395
396  " string
397  call assert_equal("abcdefgi", printf('%s', "abcdefgi"))
398
399  " float
400  if has('float')
401    call assert_equal("1.23", printf('%s', 1.23))
402  endif
403
404  " list
405  let value = [1, 'two', ['three', 4]]
406  call assert_equal(string(value), printf('%s', value))
407
408  " dict
409  let value = {'key1' : 'value1', 'key2' : ['list', 'value'], 'key3' : {'dict' : 'value'}}
410  call assert_equal(string(value), printf('%s', value))
411
412  " funcref
413  call assert_equal('printf', printf('%s', 'printf'->function()))
414
415  " partial
416  call assert_equal(string(function('printf', ['%s'])), printf('%s', function('printf', ['%s'])))
417endfunc
418
419function Test_printf_spec_b()
420  call assert_equal("0", printf('%b', 0))
421  call assert_equal("00001100", printf('%08b', 12))
422  call assert_equal("11111111", printf('%08b', 0xff))
423  call assert_equal("   1111011", printf('%10b', 123))
424  call assert_equal("0001111011", printf('%010b', 123))
425  call assert_equal(" 0b1111011", printf('%#10b', 123))
426  call assert_equal("0B01111011", printf('%#010B', 123))
427  call assert_equal("1001001100101100000001011010010", printf('%b', 1234567890))
428  call assert_equal("11100000100100010000110000011011101111101111001", printf('%b', 123456789012345))
429  call assert_equal("1111111111111111111111111111111111111111111111111111111111111111", printf('%b', -1))
430endfunc
431
432func Test_function_with_funcref()
433  let s:f = function('type')
434  let s:fref = function(s:f)
435  call assert_equal(v:t_string, s:fref('x'))
436  call assert_fails("call function('s:f')", 'E700:')
437
438  call assert_fails("call function('foo()')", 'E475:')
439  call assert_fails("call function('foo()')", 'foo()')
440  call assert_fails("function('')", 'E129:')
441endfunc
442
443func Test_funcref()
444  func! One()
445    return 1
446  endfunc
447  let OneByName = function('One')
448  let OneByRef = funcref('One')
449  func! One()
450    return 2
451  endfunc
452  call assert_equal(2, OneByName())
453  call assert_equal(1, OneByRef())
454  let OneByRef = 'One'->funcref()
455  call assert_equal(2, OneByRef())
456  call assert_fails('echo funcref("{")', 'E475:')
457  let OneByRef = funcref("One", repeat(["foo"], 20))
458  call assert_fails('let OneByRef = funcref("One", repeat(["foo"], 21))', 'E118:')
459  call assert_fails('echo function("min") =~ function("min")', 'E694:')
460endfunc
461
462func Test_setmatches()
463  hi def link 1 Comment
464  hi def link 2 PreProc
465  let set = [{"group": 1, "pattern": 2, "id": 3, "priority": 4}]
466  let exp = [{"group": '1', "pattern": '2', "id": 3, "priority": 4}]
467  if has('conceal')
468    let set[0]['conceal'] = 5
469    let exp[0]['conceal'] = '5'
470  endif
471  eval set->setmatches()
472  call assert_equal(exp, getmatches())
473endfunc
474
475func Test_empty_concatenate()
476  call assert_equal('b', 'a'[4:0] . 'b')
477  call assert_equal('b', 'b' . 'a'[4:0])
478endfunc
479
480func Test_broken_number()
481  let X = 'bad'
482  call assert_fails('echo 1X', 'E15:')
483  call assert_fails('echo 0b1X', 'E15:')
484  call assert_fails('echo 0b12', 'E15:')
485  call assert_fails('echo 0x1X', 'E15:')
486  call assert_fails('echo 011X', 'E15:')
487  call assert_equal(2, str2nr('2a'))
488  call assert_fails('inoremap <Char-0b1z> b', 'E474:')
489endfunc
490
491func Test_eval_after_if()
492  let s:val = ''
493  func SetVal(x)
494    let s:val ..= a:x
495  endfunc
496  if 0 | eval SetVal('a') | endif | call SetVal('b')
497  call assert_equal('b', s:val)
498endfunc
499
500" Test for command-line completion of expressions
501func Test_expr_completion()
502  if !has('cmdline_compl')
503    return
504  endif
505  for cmd in [
506	\ 'let a = ',
507	\ 'const a = ',
508	\ 'if',
509	\ 'elseif',
510	\ 'while',
511	\ 'for',
512	\ 'echo',
513	\ 'echon',
514	\ 'execute',
515	\ 'echomsg',
516	\ 'echoerr',
517	\ 'call',
518	\ 'return',
519	\ 'cexpr',
520	\ 'caddexpr',
521	\ 'cgetexpr',
522	\ 'lexpr',
523	\ 'laddexpr',
524	\ 'lgetexpr']
525    call feedkeys(":" . cmd . " getl\<Tab>\<Home>\"\<CR>", 'xt')
526    call assert_equal('"' . cmd . ' getline(', getreg(':'))
527  endfor
528
529  " completion for the expression register
530  call feedkeys(":\"\<C-R>=float2\t\"\<C-B>\"\<CR>", 'xt')
531  call assert_equal('"float2nr("', @=)
532
533  " completion for window local variables
534  let w:wvar1 = 10
535  let w:wvar2 = 10
536  call feedkeys(":echo w:wvar\<C-A>\<C-B>\"\<CR>", 'xt')
537  call assert_equal('"echo w:wvar1 w:wvar2', @:)
538  unlet w:wvar1 w:wvar2
539
540  " completion for tab local variables
541  let t:tvar1 = 10
542  let t:tvar2 = 10
543  call feedkeys(":echo t:tvar\<C-A>\<C-B>\"\<CR>", 'xt')
544  call assert_equal('"echo t:tvar1 t:tvar2', @:)
545  unlet t:tvar1 t:tvar2
546
547  " completion for variables
548  let g:tvar1 = 1
549  let g:tvar2 = 2
550  call feedkeys(":let g:tv\<C-A>\<C-B>\"\<CR>", 'xt')
551  call assert_equal('"let g:tvar1 g:tvar2', @:)
552  " completion for variables after a ||
553  call feedkeys(":echo 1 || g:tv\<C-A>\<C-B>\"\<CR>", 'xt')
554  call assert_equal('"echo 1 || g:tvar1 g:tvar2', @:)
555
556  " completion for options
557  call feedkeys(":echo &compat\<C-A>\<C-B>\"\<CR>", 'xt')
558  call assert_equal('"echo &compatible', @:)
559  call feedkeys(":echo 1 && &compat\<C-A>\<C-B>\"\<CR>", 'xt')
560  call assert_equal('"echo 1 && &compatible', @:)
561  call feedkeys(":echo &g:equala\<C-A>\<C-B>\"\<CR>", 'xt')
562  call assert_equal('"echo &g:equalalways', @:)
563
564  " completion for string
565  call feedkeys(":echo \"Hello\\ World\"\<C-A>\<C-B>\"\<CR>", 'xt')
566  call assert_equal("\"echo \"Hello\\ World\"\<C-A>", @:)
567  call feedkeys(":echo 'Hello World'\<C-A>\<C-B>\"\<CR>", 'xt')
568  call assert_equal("\"echo 'Hello World'\<C-A>", @:)
569
570  " completion for command after a |
571  call feedkeys(":echo 'Hello' | cwin\<C-A>\<C-B>\"\<CR>", 'xt')
572  call assert_equal("\"echo 'Hello' | cwindow", @:)
573
574  " completion for environment variable
575  let $X_VIM_TEST_COMPLETE_ENV = 'foo'
576  call feedkeys(":let $X_VIM_TEST_COMPLETE_E\<C-A>\<C-B>\"\<CR>", 'tx')
577  call assert_match('"let $X_VIM_TEST_COMPLETE_ENV', @:)
578  unlet $X_VIM_TEST_COMPLETE_ENV
579endfunc
580
581" Test for errors in expression evaluation
582func Test_expr_eval_error()
583  call assert_fails("let i = 'abc' . []", 'E730:')
584  call assert_fails("let l = [] + 10", 'E745:')
585  call assert_fails("let v = 10 + []", 'E745:')
586  call assert_fails("let v = 10 / []", 'E745:')
587  call assert_fails("let v = -{}", 'E728:')
588endfunc
589
590" vim: shiftwidth=2 sts=2 expandtab
591