1" Tests for Vim9 script expressions
2
3source check.vim
4
5" Check that "line" inside ":def" results in an "error" message.
6func CheckDefFailure(line, error)
7  call writefile(['def! Func()', a:line, 'enddef'], 'Xdef')
8  call assert_fails('so Xdef', a:error, a:line)
9  call delete('Xdef')
10endfunc
11
12func CheckDefFailureMult(lines, error)
13  call writefile(['def! Func()'] + a:lines + ['enddef'], 'Xdef')
14  call assert_fails('so Xdef', a:error, join(a:lines, ' | '))
15  call delete('Xdef')
16endfunc
17
18" Check that "line" inside ":def" results in an "error" message when executed.
19func CheckDefExecFailure(line, error)
20  call writefile(['def! Func()', a:line, 'enddef'], 'Xdef')
21  so Xdef
22  call assert_fails('call Func()', a:error, a:line)
23  call delete('Xdef')
24endfunc
25
26func CheckDefFailureList(lines, error)
27  call writefile(['def! Func()'] + a:lines + ['enddef'], 'Xdef')
28  call assert_fails('so Xdef', a:error, string(a:lines))
29  call delete('Xdef')
30endfunc
31
32" test cond ? expr : expr
33def Test_expr1()
34  assert_equal('one', true ? 'one' : 'two')
35  assert_equal('one', 1 ? 'one' : 'two')
36  if has('float')
37    assert_equal('one', 0.1 ? 'one' : 'two')
38  endif
39  assert_equal('one', 'x' ? 'one' : 'two')
40  assert_equal('one', 0z1234 ? 'one' : 'two')
41  assert_equal('one', [0] ? 'one' : 'two')
42  assert_equal('one', #{x: 0} ? 'one' : 'two')
43  let var = 1
44  assert_equal('one', var ? 'one' : 'two')
45
46  assert_equal('two', false ? 'one' : 'two')
47  assert_equal('two', 0 ? 'one' : 'two')
48  if has('float')
49    assert_equal('two', 0.0 ? 'one' : 'two')
50  endif
51  assert_equal('two', '' ? 'one' : 'two')
52  assert_equal('two', 0z ? 'one' : 'two')
53  assert_equal('two', [] ? 'one' : 'two')
54  assert_equal('two', {} ? 'one' : 'two')
55  var = 0
56  assert_equal('two', var ? 'one' : 'two')
57enddef
58
59func Test_expr1_fails()
60  call CheckDefFailure("let x = 1 ? 'one'", "Missing ':' after '?'")
61
62  let msg = "white space required before and after '?'"
63  call CheckDefFailure("let x = 1? 'one' : 'two'", msg)
64  call CheckDefFailure("let x = 1 ?'one' : 'two'", msg)
65  call CheckDefFailure("let x = 1?'one' : 'two'", msg)
66
67  let msg = "white space required before and after ':'"
68  call CheckDefFailure("let x = 1 ? 'one': 'two'", msg)
69  call CheckDefFailure("let x = 1 ? 'one' :'two'", msg)
70  call CheckDefFailure("let x = 1 ? 'one':'two'", msg)
71endfunc
72
73" TODO: define inside test function
74def Record(val: any): any
75  g:vals->add(val)
76  return val
77enddef
78
79" test ||
80def Test_expr2()
81  assert_equal(2, 2 || 0)
82  assert_equal(7, 0 || 0 || 7)
83  assert_equal(0, 0 || 0)
84  assert_equal('', 0 || '')
85
86  g:vals = []
87  assert_equal(3, Record(3) || Record(1))
88  assert_equal([3], g:vals)
89
90  g:vals = []
91  assert_equal(5, Record(0) || Record(5))
92  assert_equal([0, 5], g:vals)
93
94  g:vals = []
95  assert_equal(4, Record(0) || Record(4) || Record(0))
96  assert_equal([0, 4], g:vals)
97
98  g:vals = []
99  assert_equal(0, Record([]) || Record('') || Record(0))
100  assert_equal([[], '', 0], g:vals)
101enddef
102
103func Test_expr2_fails()
104  let msg = "white space required before and after '||'"
105  call CheckDefFailure("let x = 1||2", msg)
106  call CheckDefFailure("let x = 1 ||2", msg)
107  call CheckDefFailure("let x = 1|| 2", msg)
108endfunc
109
110" test &&
111def Test_expr3()
112  assert_equal(0, 2 && 0)
113  assert_equal(0, 0 && 0 && 7)
114  assert_equal(7, 2 && 3 && 7)
115  assert_equal(0, 0 && 0)
116  assert_equal(0, 0 && '')
117  assert_equal('', 8 && '')
118
119  g:vals = []
120  assert_equal(1, Record(3) && Record(1))
121  assert_equal([3, 1], g:vals)
122
123  g:vals = []
124  assert_equal(0, Record(0) && Record(5))
125  assert_equal([0], g:vals)
126
127  g:vals = []
128  assert_equal(0, Record(0) && Record(4) && Record(0))
129  assert_equal([0], g:vals)
130
131  g:vals = []
132  assert_equal(0, Record(8) && Record(4) && Record(0))
133  assert_equal([8, 4, 0], g:vals)
134
135  g:vals = []
136  assert_equal(0, Record([1]) && Record('z') && Record(0))
137  assert_equal([[1], 'z', 0], g:vals)
138enddef
139
140func Test_expr3_fails()
141  let msg = "white space required before and after '&&'"
142  call CheckDefFailure("let x = 1&&2", msg)
143  call CheckDefFailure("let x = 1 &&2", msg)
144  call CheckDefFailure("let x = 1&& 2", msg)
145endfunc
146
147let atrue = v:true
148let afalse = v:false
149let anone = v:none
150let anull = v:null
151let anint = 10
152let alsoint = 4
153if has('float')
154  let afloat = 0.1
155endif
156let astring = 'asdf'
157let ablob = 0z01ab
158let alist = [2, 3, 4]
159let adict = #{aaa: 2, bbb: 8}
160
161" test == comperator
162def Test_expr4_equal()
163  assert_equal(true, true == true)
164  assert_equal(false, true == false)
165  assert_equal(true, true == g:atrue)
166  assert_equal(false, g:atrue == false)
167
168  assert_equal(true, v:none == v:none)
169  assert_equal(false, v:none == v:null)
170  assert_equal(true, g:anone == v:none)
171  assert_equal(false, v:none == g:anull)
172
173  assert_equal(false, 2 == 0)
174  assert_equal(true, 61 == 61)
175  assert_equal(true, g:anint == 10)
176  assert_equal(false, 61 == g:anint)
177
178  if has('float')
179    assert_equal(true, 0.3 == 0.3)
180    assert_equal(false, 0.4 == 0.3)
181    assert_equal(true, 0.1 == g:afloat)
182    assert_equal(false, g:afloat == 0.3)
183
184    assert_equal(true, 3.0 == 3)
185    assert_equal(true, 3 == 3.0)
186    assert_equal(false, 3.1 == 3)
187    assert_equal(false, 3 == 3.1)
188  endif
189
190  assert_equal(true, 'abc' == 'abc')
191  assert_equal(false, 'xyz' == 'abc')
192  assert_equal(true, g:astring == 'asdf')
193  assert_equal(false, 'xyz' == g:astring)
194
195  assert_equal(false, 'abc' == 'ABC')
196  set ignorecase
197  assert_equal(false, 'abc' == 'ABC')
198  set noignorecase
199
200  assert_equal(true, 0z3f == 0z3f)
201  assert_equal(false, 0z3f == 0z4f)
202  assert_equal(true, g:ablob == 0z01ab)
203  assert_equal(false, 0z3f == g:ablob)
204
205  assert_equal(true, [1, 2, 3] == [1, 2, 3])
206  assert_equal(false, [1, 2, 3] == [2, 3, 1])
207  assert_equal(true, [2, 3, 4] == g:alist)
208  assert_equal(false, g:alist == [2, 3, 1])
209  assert_equal(false, [1, 2, 3] == [])
210  assert_equal(false, [1, 2, 3] == ['1', '2', '3'])
211
212  assert_equal(true, #{one: 1, two: 2} == #{one: 1, two: 2})
213  assert_equal(false, #{one: 1, two: 2} == #{one: 2, two: 2})
214  assert_equal(false, #{one: 1, two: 2} == #{two: 2})
215  assert_equal(false, #{one: 1, two: 2} == #{})
216  assert_equal(true, g:adict == #{bbb: 8, aaa: 2})
217  assert_equal(false, #{ccc: 9, aaa: 2} == g:adict)
218
219  assert_equal(true, function('Test_expr4_equal') == function('Test_expr4_equal'))
220  assert_equal(false, function('Test_expr4_equal') == function('Test_expr4_is'))
221
222  assert_equal(true, function('Test_expr4_equal', [123]) == function('Test_expr4_equal', [123]))
223  assert_equal(false, function('Test_expr4_equal', [123]) == function('Test_expr4_is', [123]))
224  assert_equal(false, function('Test_expr4_equal', [123]) == function('Test_expr4_equal', [999]))
225enddef
226
227" test != comperator
228def Test_expr4_notequal()
229  assert_equal(false, true != true)
230  assert_equal(true, true != false)
231  assert_equal(false, true != g:atrue)
232  assert_equal(true, g:atrue != false)
233
234  assert_equal(false, v:none != v:none)
235  assert_equal(true, v:none != v:null)
236  assert_equal(false, g:anone != v:none)
237  assert_equal(true, v:none != g:anull)
238
239  assert_equal(true, 2 != 0)
240  assert_equal(false, 55 != 55)
241  assert_equal(false, g:anint != 10)
242  assert_equal(true, 61 != g:anint)
243
244  if has('float')
245    assert_equal(false, 0.3 != 0.3)
246    assert_equal(true, 0.4 != 0.3)
247    assert_equal(false, 0.1 != g:afloat)
248    assert_equal(true, g:afloat != 0.3)
249
250    assert_equal(false, 3.0 != 3)
251    assert_equal(false, 3 != 3.0)
252    assert_equal(true, 3.1 != 3)
253    assert_equal(true, 3 != 3.1)
254  endif
255
256  assert_equal(false, 'abc' != 'abc')
257  assert_equal(true, 'xyz' != 'abc')
258  assert_equal(false, g:astring != 'asdf')
259  assert_equal(true, 'xyz' != g:astring)
260
261  assert_equal(true, 'abc' != 'ABC')
262  set ignorecase
263  assert_equal(true, 'abc' != 'ABC')
264  set noignorecase
265
266  assert_equal(false, 0z3f != 0z3f)
267  assert_equal(true, 0z3f != 0z4f)
268  assert_equal(false, g:ablob != 0z01ab)
269  assert_equal(true, 0z3f != g:ablob)
270
271  assert_equal(false, [1, 2, 3] != [1, 2, 3])
272  assert_equal(true, [1, 2, 3] != [2, 3, 1])
273  assert_equal(false, [2, 3, 4] != g:alist)
274  assert_equal(true, g:alist != [2, 3, 1])
275  assert_equal(true, [1, 2, 3] != [])
276  assert_equal(true, [1, 2, 3] != ['1', '2', '3'])
277
278  assert_equal(false, #{one: 1, two: 2} != #{one: 1, two: 2})
279  assert_equal(true, #{one: 1, two: 2} != #{one: 2, two: 2})
280  assert_equal(true, #{one: 1, two: 2} != #{two: 2})
281  assert_equal(true, #{one: 1, two: 2} != #{})
282  assert_equal(false, g:adict != #{bbb: 8, aaa: 2})
283  assert_equal(true, #{ccc: 9, aaa: 2} != g:adict)
284
285  assert_equal(false, function('Test_expr4_equal') != function('Test_expr4_equal'))
286  assert_equal(true, function('Test_expr4_equal') != function('Test_expr4_is'))
287
288  assert_equal(false, function('Test_expr4_equal', [123]) != function('Test_expr4_equal', [123]))
289  assert_equal(true, function('Test_expr4_equal', [123]) != function('Test_expr4_is', [123]))
290  assert_equal(true, function('Test_expr4_equal', [123]) != function('Test_expr4_equal', [999]))
291enddef
292
293" test > comperator
294def Test_expr4_greater()
295  assert_true(2 > 0)
296  assert_true(2 > 1)
297  assert_false(2 > 2)
298  assert_false(2 > 3)
299  if has('float')
300    assert_true(2.0 > 0.0)
301    assert_true(2.0 > 1.0)
302    assert_false(2.0 > 2.0)
303    assert_false(2.0 > 3.0)
304  endif
305enddef
306
307" test >= comperator
308def Test_expr4_greaterequal()
309  assert_true(2 >= 0)
310  assert_true(2 >= 2)
311  assert_false(2 >= 3)
312  if has('float')
313    assert_true(2.0 >= 0.0)
314    assert_true(2.0 >= 2.0)
315    assert_false(2.0 >= 3.0)
316  endif
317enddef
318
319" test < comperator
320def Test_expr4_smaller()
321  assert_false(2 < 0)
322  assert_false(2 < 2)
323  assert_true(2 < 3)
324  if has('float')
325    assert_false(2.0 < 0.0)
326    assert_false(2.0 < 2.0)
327    assert_true(2.0 < 3.0)
328  endif
329enddef
330
331" test <= comperator
332def Test_expr4_smallerequal()
333  assert_false(2 <= 0)
334  assert_false(2 <= 1)
335  assert_true(2 <= 2)
336  assert_true(2 <= 3)
337  if has('float')
338    assert_false(2.0 <= 0.0)
339    assert_false(2.0 <= 1.0)
340    assert_true(2.0 <= 2.0)
341    assert_true(2.0 <= 3.0)
342  endif
343enddef
344
345" test =~ comperator
346def Test_expr4_match()
347  assert_equal(false, '2' =~ '0')
348  assert_equal(true, '2' =~ '[0-9]')
349enddef
350
351" test !~ comperator
352def Test_expr4_nomatch()
353  assert_equal(true, '2' !~ '0')
354  assert_equal(false, '2' !~ '[0-9]')
355enddef
356
357" test is comperator
358def Test_expr4_is()
359  let mylist = [2]
360  assert_false(mylist is [2])
361  let other = mylist
362  assert_true(mylist is other)
363
364  let myblob = 0z1234
365  assert_false(myblob is 0z1234)
366  let otherblob = myblob
367  assert_true(myblob is otherblob)
368enddef
369
370" test isnot comperator
371def Test_expr4_isnot()
372  let mylist = [2]
373  assert_true('2' isnot '0')
374  assert_true(mylist isnot [2])
375  let other = mylist
376  assert_false(mylist isnot other)
377
378  let myblob = 0z1234
379  assert_true(myblob isnot 0z1234)
380  let otherblob = myblob
381  assert_false(myblob isnot otherblob)
382enddef
383
384def RetVoid()
385  let x = 1
386enddef
387
388func Test_expr4_fails()
389  let msg = "white space required before and after '>'"
390  call CheckDefFailure("let x = 1>2", msg)
391  call CheckDefFailure("let x = 1 >2", msg)
392  call CheckDefFailure("let x = 1> 2", msg)
393
394  let msg = "white space required before and after '=='"
395  call CheckDefFailure("let x = 1==2", msg)
396  call CheckDefFailure("let x = 1 ==2", msg)
397  call CheckDefFailure("let x = 1== 2", msg)
398
399  let msg = "white space required before and after 'is'"
400  call CheckDefFailure("let x = '1'is'2'", msg)
401  call CheckDefFailure("let x = '1' is'2'", msg)
402  call CheckDefFailure("let x = '1'is '2'", msg)
403
404  let msg = "white space required before and after 'isnot'"
405  call CheckDefFailure("let x = '1'isnot'2'", msg)
406  call CheckDefFailure("let x = '1' isnot'2'", msg)
407  call CheckDefFailure("let x = '1'isnot '2'", msg)
408
409  call CheckDefFailure("let x = 1 is# 2", 'E15:')
410  call CheckDefFailure("let x = 1 is? 2", 'E15:')
411  call CheckDefFailure("let x = 1 isnot# 2", 'E15:')
412  call CheckDefFailure("let x = 1 isnot? 2", 'E15:')
413
414  call CheckDefFailure("let x = 1 == '2'", 'Cannot compare number with string')
415  call CheckDefFailure("let x = '1' == 2", 'Cannot compare string with number')
416  call CheckDefFailure("let x = 1 == RetVoid()", 'Cannot use void value')
417  call CheckDefFailure("let x = RetVoid() == 1", 'Cannot compare void with number')
418
419  call CheckDefFailure("let x = true > false", 'Cannot compare bool with bool')
420  call CheckDefFailure("let x = true >= false", 'Cannot compare bool with bool')
421  call CheckDefFailure("let x = true < false", 'Cannot compare bool with bool')
422  call CheckDefFailure("let x = true <= false", 'Cannot compare bool with bool')
423  call CheckDefFailure("let x = true =~ false", 'Cannot compare bool with bool')
424  call CheckDefFailure("let x = true !~ false", 'Cannot compare bool with bool')
425  call CheckDefFailure("let x = true is false", 'Cannot use "is" with bool')
426  call CheckDefFailure("let x = true isnot false", 'Cannot use "isnot" with bool')
427
428  call CheckDefFailure("let x = v:none is v:null", 'Cannot use "is" with special')
429  call CheckDefFailure("let x = v:none isnot v:null", 'Cannot use "isnot" with special')
430  call CheckDefFailure("let x = 123 is 123", 'Cannot use "is" with number')
431  call CheckDefFailure("let x = 123 isnot 123", 'Cannot use "isnot" with number')
432  if has('float')
433    call CheckDefFailure("let x = 1.3 is 1.3", 'Cannot use "is" with float')
434    call CheckDefFailure("let x = 1.3 isnot 1.3", 'Cannot use "isnot" with float')
435  endif
436
437  call CheckDefFailure("let x = 0za1 > 0z34", 'Cannot compare blob with blob')
438  call CheckDefFailure("let x = 0za1 >= 0z34", 'Cannot compare blob with blob')
439  call CheckDefFailure("let x = 0za1 < 0z34", 'Cannot compare blob with blob')
440  call CheckDefFailure("let x = 0za1 <= 0z34", 'Cannot compare blob with blob')
441  call CheckDefFailure("let x = 0za1 =~ 0z34", 'Cannot compare blob with blob')
442  call CheckDefFailure("let x = 0za1 !~ 0z34", 'Cannot compare blob with blob')
443
444  call CheckDefFailure("let x = [13] > [88]", 'Cannot compare list with list')
445  call CheckDefFailure("let x = [13] >= [88]", 'Cannot compare list with list')
446  call CheckDefFailure("let x = [13] < [88]", 'Cannot compare list with list')
447  call CheckDefFailure("let x = [13] <= [88]", 'Cannot compare list with list')
448  call CheckDefFailure("let x = [13] =~ [88]", 'Cannot compare list with list')
449  call CheckDefFailure("let x = [13] !~ [88]", 'Cannot compare list with list')
450
451  call CheckDefFailureMult(['let j: job', 'let chan: channel', 'let r = j == chan'], 'Cannot compare job with channel')
452  call CheckDefFailureMult(['let j: job', 'let x: list<any>', 'let r = j == x'], 'Cannot compare job with list')
453  call CheckDefFailureMult(['let j: job', 'let x: func', 'let r = j == x'], 'Cannot compare job with func')
454  call CheckDefFailureMult(['let j: job', 'let x: partial', 'let r = j == x'], 'Cannot compare job with partial')
455endfunc
456
457" test addition, subtraction, concatenation
458def Test_expr5()
459  assert_equal(66, 60 + 6)
460  assert_equal(70, 60 + g:anint)
461  assert_equal(9, g:alsoint + 5)
462  assert_equal(14, g:alsoint + g:anint)
463
464  assert_equal(54, 60 - 6)
465  assert_equal(50, 60 - g:anint)
466  assert_equal(-1, g:alsoint - 5)
467  assert_equal(-6, g:alsoint - g:anint)
468
469  assert_equal('hello', 'hel' .. 'lo')
470  assert_equal('hello 123', 'hello ' .. 123)
471  assert_equal('123 hello', 123 .. ' hello')
472  assert_equal('123456', 123 .. 456)
473
474  assert_equal([1, 2, 3, 4], [1, 2] + [3, 4])
475  assert_equal(0z11223344, 0z1122 + 0z3344)
476  assert_equal(0z112201ab, 0z1122 + g:ablob)
477  assert_equal(0z01ab3344, g:ablob + 0z3344)
478  assert_equal(0z01ab01ab, g:ablob + g:ablob)
479enddef
480
481def Test_expr5_float()
482  if !has('float')
483    MissingFeature 'float'
484  else
485    assert_equal(66.0, 60.0 + 6.0)
486    assert_equal(66.0, 60.0 + 6)
487    assert_equal(66.0, 60 + 6.0)
488    assert_equal(5.1, g:afloat + 5)
489    assert_equal(8.1, 8 + g:afloat)
490    assert_equal(10.1, g:anint + g:afloat)
491    assert_equal(10.1, g:afloat + g:anint)
492
493    assert_equal(54.0, 60.0 - 6.0)
494    assert_equal(54.0, 60.0 - 6)
495    assert_equal(54.0, 60 - 6.0)
496    assert_equal(-4.9, g:afloat - 5)
497    assert_equal(7.9, 8 - g:afloat)
498    assert_equal(9.9, g:anint - g:afloat)
499    assert_equal(-9.9, g:afloat - g:anint)
500  endif
501enddef
502
503func Test_expr5_fails()
504  let msg = "white space required before and after '+'"
505  call CheckDefFailure("let x = 1+2", msg)
506  call CheckDefFailure("let x = 1 +2", msg)
507  call CheckDefFailure("let x = 1+ 2", msg)
508
509  let msg = "white space required before and after '-'"
510  call CheckDefFailure("let x = 1-2", msg)
511  call CheckDefFailure("let x = 1 -2", msg)
512  call CheckDefFailure("let x = 1- 2", msg)
513
514  let msg = "white space required before and after '..'"
515  call CheckDefFailure("let x = '1'..'2'", msg)
516  call CheckDefFailure("let x = '1' ..'2'", msg)
517  call CheckDefFailure("let x = '1'.. '2'", msg)
518
519  call CheckDefFailure("let x = 0z1122 + 33", 'E1035')
520  call CheckDefFailure("let x = 0z1122 + [3]", 'E1035')
521  call CheckDefFailure("let x = 0z1122 + 'asd'", 'E1035')
522  call CheckDefFailure("let x = 33 + 0z1122", 'E1035')
523  call CheckDefFailure("let x = [3] + 0z1122", 'E1035')
524  call CheckDefFailure("let x = 'asdf' + 0z1122", 'E1035')
525endfunc
526
527" test multiply, divide, modulo
528def Test_expr6()
529  assert_equal(36, 6 * 6)
530  assert_equal(24, 6 * g:alsoint)
531  assert_equal(24, g:alsoint * 6)
532  assert_equal(40, g:anint * g:alsoint)
533
534  assert_equal(10, 60 / 6)
535  assert_equal(6, 60 / g:anint)
536  assert_equal(1, g:anint / 6)
537  assert_equal(2, g:anint / g:alsoint)
538
539  assert_equal(5, 11 % 6)
540  assert_equal(4, g:anint % 6)
541  assert_equal(3, 13 % g:anint)
542  assert_equal(2, g:anint % g:alsoint)
543
544  assert_equal(4, 6 * 4 / 6)
545
546  let x = [2]
547  let y = [3]
548  assert_equal(5, x[0] + y[0])
549  assert_equal(6, x[0] * y[0])
550  if has('float')
551    let xf = [2.0]
552    let yf = [3.0]
553    assert_equal(5.0, xf[0] + yf[0])
554    assert_equal(6.0, xf[0] * yf[0])
555  endif
556enddef
557
558def Test_expr6_float()
559  if !has('float')
560    MissingFeature 'float'
561  else
562    assert_equal(36.0, 6.0 * 6)
563    assert_equal(36.0, 6 * 6.0)
564    assert_equal(36.0, 6.0 * 6.0)
565    assert_equal(1.0, g:afloat * g:anint)
566
567    assert_equal(10.0, 60 / 6.0)
568    assert_equal(10.0, 60.0 / 6)
569    assert_equal(10.0, 60.0 / 6.0)
570    assert_equal(0.01, g:afloat / g:anint)
571
572    assert_equal(4.0, 6.0 * 4 / 6)
573    assert_equal(4.0, 6 * 4.0 / 6)
574    assert_equal(4.0, 6 * 4 / 6.0)
575    assert_equal(4.0, 6.0 * 4.0 / 6)
576    assert_equal(4.0, 6 * 4.0 / 6.0)
577    assert_equal(4.0, 6.0 * 4 / 6.0)
578    assert_equal(4.0, 6.0 * 4.0 / 6.0)
579
580    assert_equal(4.0, 6.0 * 4.0 / 6.0)
581  endif
582enddef
583
584func Test_expr6_fails()
585  let msg = "white space required before and after '*'"
586  call CheckDefFailure("let x = 1*2", msg)
587  call CheckDefFailure("let x = 1 *2", msg)
588  call CheckDefFailure("let x = 1* 2", msg)
589
590  let msg = "white space required before and after '/'"
591  call CheckDefFailure("let x = 1/2", msg)
592  call CheckDefFailure("let x = 1 /2", msg)
593  call CheckDefFailure("let x = 1/ 2", msg)
594
595  let msg = "white space required before and after '%'"
596  call CheckDefFailure("let x = 1%2", msg)
597  call CheckDefFailure("let x = 1 %2", msg)
598  call CheckDefFailure("let x = 1% 2", msg)
599
600  call CheckDefFailure("let x = '1' * '2'", 'E1036:')
601  call CheckDefFailure("let x = '1' / '2'", 'E1036:')
602  call CheckDefFailure("let x = '1' % '2'", 'E1035:')
603
604  call CheckDefFailure("let x = 0z01 * 0z12", 'E1036:')
605  call CheckDefFailure("let x = 0z01 / 0z12", 'E1036:')
606  call CheckDefFailure("let x = 0z01 % 0z12", 'E1035:')
607
608  call CheckDefFailure("let x = [1] * [2]", 'E1036:')
609  call CheckDefFailure("let x = [1] / [2]", 'E1036:')
610  call CheckDefFailure("let x = [1] % [2]", 'E1035:')
611
612  call CheckDefFailure("let x = #{one: 1} * #{two: 2}", 'E1036:')
613  call CheckDefFailure("let x = #{one: 1} / #{two: 2}", 'E1036:')
614  call CheckDefFailure("let x = #{one: 1} % #{two: 2}", 'E1035:')
615
616  call CheckDefFailure("let x = 0xff[1]", 'E714:')
617  if has('float')
618    call CheckDefFailure("let x = 0.7[1]", 'E714:')
619  endif
620endfunc
621
622func Test_expr6_float_fails()
623  CheckFeature float
624  call CheckDefFailure("let x = 1.0 % 2", 'E1035:')
625endfunc
626
627" define here to use old style parsing
628if has('float')
629  let g:float_zero = 0.0
630  let g:float_neg = -9.8
631  let g:float_big = 9.9e99
632endif
633let g:blob_empty = 0z
634let g:blob_one = 0z01
635let g:blob_long = 0z0102.0304
636
637let g:string_empty = ''
638let g:string_short = 'x'
639let g:string_long = 'abcdefghijklm'
640let g:string_special = "ab\ncd\ref\ekk"
641
642let g:special_true = v:true
643let g:special_false = v:false
644let g:special_null = v:null
645let g:special_none = v:none
646
647let g:list_empty = []
648let g:list_mixed = [1, 'b', v:false]
649
650let g:dict_empty = {}
651let g:dict_one = #{one: 1}
652
653let $TESTVAR = 'testvar'
654
655" test low level expression
656def Test_expr7_number()
657  " number constant
658  assert_equal(0, 0)
659  assert_equal(654, 0654)
660
661  assert_equal(6, 0x6)
662  assert_equal(15, 0xf)
663  assert_equal(255, 0xff)
664enddef
665
666def Test_expr7_float()
667  " float constant
668  if !has('float')
669    MissingFeature 'float'
670  else
671    assert_equal(g:float_zero, .0)
672    assert_equal(g:float_zero, 0.0)
673    assert_equal(g:float_neg, -9.8)
674    assert_equal(g:float_big, 9.9e99)
675  endif
676enddef
677
678def Test_expr7_blob()
679  " blob constant
680  assert_equal(g:blob_empty, 0z)
681  assert_equal(g:blob_one, 0z01)
682  assert_equal(g:blob_long, 0z0102.0304)
683enddef
684
685def Test_expr7_string()
686  " string constant
687  assert_equal(g:string_empty, '')
688  assert_equal(g:string_empty, "")
689  assert_equal(g:string_short, 'x')
690  assert_equal(g:string_short, "x")
691  assert_equal(g:string_long, 'abcdefghijklm')
692  assert_equal(g:string_long, "abcdefghijklm")
693  assert_equal(g:string_special, "ab\ncd\ref\ekk")
694enddef
695
696def Test_expr7_special()
697  " special constant
698  assert_equal(g:special_true, true)
699  assert_equal(g:special_false, false)
700  assert_equal(g:special_null, v:null)
701  assert_equal(g:special_none, v:none)
702enddef
703
704def Test_expr7_list()
705  " list
706  assert_equal(g:list_empty, [])
707  assert_equal(g:list_empty, [  ])
708  assert_equal(g:list_mixed, [1, 'b', false])
709
710  call CheckDefExecFailure("let x = g:anint[3]", 'E714:')
711  call CheckDefExecFailure("let x = g:list_mixed['xx']", 'E39:')
712  call CheckDefExecFailure("let x = g:list_empty[3]", 'E684:')
713enddef
714
715def Test_expr7_lambda()
716  " lambda
717  let La = { -> 'result'}
718  assert_equal('result', La())
719  assert_equal([1, 3, 5], [1, 2, 3]->map({key, val -> key + val}))
720enddef
721
722def Test_expr7_dict()
723  " dictionary
724  assert_equal(g:dict_empty, {})
725  assert_equal(g:dict_empty, {  })
726  assert_equal(g:dict_one, {'one': 1})
727  let key = 'one'
728  let val = 1
729  assert_equal(g:dict_one, {key: val})
730
731  call CheckDefExecFailure("let x = g:anint.member", 'E715:')
732  call CheckDefExecFailure("let x = g:dict_empty.member", 'E716:')
733enddef
734
735def Test_expr7_option()
736  " option
737  set ts=11
738  assert_equal(11, &ts)
739  &ts = 9
740  assert_equal(9, &ts)
741  set ts=8
742  set grepprg=some\ text
743  assert_equal('some text', &grepprg)
744  &grepprg = test_null_string()
745  assert_equal('', &grepprg)
746  set grepprg&
747enddef
748
749def Test_expr7_environment()
750  " environment variable
751  assert_equal('testvar', $TESTVAR)
752  assert_equal('', $ASDF_ASD_XXX)
753enddef
754
755def Test_expr7_register()
756  @a = 'register a'
757  assert_equal('register a', @a)
758enddef
759
760def Test_expr7_parens()
761  " (expr)
762  assert_equal(4, (6 * 4) / 6)
763  assert_equal(0, 6 * ( 4 / 6 ))
764
765  assert_equal(6, +6)
766  assert_equal(-6, -6)
767  assert_equal(6, --6)
768  assert_equal(6, -+-6)
769  assert_equal(-6, ---6)
770enddef
771
772def Test_expr7_not()
773  assert_equal(true, !'')
774  assert_equal(true, ![])
775  assert_equal(false, !'asdf')
776  assert_equal(false, ![2])
777  assert_equal(true, !!'asdf')
778  assert_equal(true, !![2])
779
780  assert_equal(true, !test_null_partial())
781  assert_equal(false, !{-> 'yes'})
782
783  assert_equal(true, !test_null_dict())
784  assert_equal(true, !{})
785  assert_equal(false, !{'yes': 'no'})
786
787  if has('channel')
788    assert_equal(true, !test_null_job())
789    assert_equal(true, !test_null_channel())
790  endif
791
792  assert_equal(true, !test_null_blob())
793  assert_equal(true, !0z)
794  assert_equal(false, !0z01)
795
796  assert_equal(true, !test_void())
797  assert_equal(true, !test_unknown())
798enddef
799
800func Test_expr7_fails()
801  call CheckDefFailure("let x = (12", "E110:")
802
803  call CheckDefFailure("let x = -'xx'", "E1030:")
804  call CheckDefFailure("let x = +'xx'", "E1030:")
805
806  call CheckDefFailure("let x = @", "E1002:")
807  call CheckDefFailure("let x = @<", "E354:")
808
809  call CheckDefFailure("let x = &notexist", 'E113:')
810  call CheckDefExecFailure("&grepprg = [343]", 'E1051:')
811
812  call CheckDefExecFailure("echo s:doesnt_exist", 'E121:')
813  call CheckDefExecFailure("echo g:doesnt_exist", 'E121:')
814
815  call CheckDefExecFailure("let x = +g:astring", 'E1030:')
816  call CheckDefExecFailure("let x = +g:ablob", 'E974:')
817  call CheckDefExecFailure("let x = +g:alist", 'E745:')
818  call CheckDefExecFailure("let x = +g:adict", 'E728:')
819
820  call CheckDefFailureMult(["let x = ''", "let y = x.memb"], 'E715:')
821endfunc
822
823let g:Funcrefs = [function('add')]
824
825func CallMe(arg)
826  return a:arg
827endfunc
828
829func CallMe2(one, two)
830  return a:one .. a:two
831endfunc
832
833def Test_expr7_trailing()
834  " user function call
835  assert_equal(123, CallMe(123))
836  assert_equal(123, CallMe(  123))
837  assert_equal(123, CallMe(123  ))
838  assert_equal('yesno', CallMe2('yes', 'no'))
839  assert_equal('yesno', CallMe2( 'yes', 'no' ))
840  assert_equal('nothing', CallMe('nothing'))
841
842  " partial call
843  let Part = function('CallMe')
844  assert_equal('yes', Part('yes'))
845
846  " funcref call, using list index
847  let l = []
848  g:Funcrefs[0](l, 2)
849  assert_equal([2], l)
850
851  " method call
852  l = [2, 5, 6]
853  l->map({k, v -> k + v})
854  assert_equal([2, 6, 8], l)
855
856  " lambda method call
857  l = [2, 5]
858  l->{l -> add(l, 8)}()
859  assert_equal([2, 5, 8], l)
860
861  " dict member
862  let d = #{key: 123}
863  assert_equal(123, d.key)
864enddef
865
866func Test_expr7_trailing_fails()
867  call CheckDefFailureList(['let l = [2]', 'l->{l -> add(l, 8)}'], 'E107')
868endfunc
869
870func Test_expr_fails()
871  call CheckDefFailure("let x = '1'is2", 'E488:')
872  call CheckDefFailure("let x = '1'isnot2", 'E488:')
873
874  call CheckDefExecFailure("CallMe ('yes')", 'E492:')
875  call CheckDefFailure("CallMe2('yes','no')", 'E1069:')
876  call CheckDefFailure("CallMe2('yes' , 'no')", 'E1068:')
877
878  call CheckDefFailure("v:nosuch += 3", 'E1001:')
879  call CheckDefFailure("let v:version = 3", 'E1064:')
880  call CheckDefFailure("let asdf = v:nosuch", 'E1001:')
881endfunc
882