1" Tests for Vim9 script expressions
2
3source check.vim
4source vim9.vim
5
6" test cond ? expr : expr
7def Test_expr1()
8  assert_equal('one', true ? 'one' : 'two')
9  assert_equal('one', 1 ?
10			'one' :
11			'two')
12  if has('float')
13    assert_equal('one', 0.1 ? 'one' : 'two')
14  endif
15  assert_equal('one', 'x' ? 'one' : 'two')
16  assert_equal('one', 'x'
17  			? 'one'
18			: 'two')
19  assert_equal('one', 0z1234 ? 'one' : 'two')
20  assert_equal('one', [0] ? 'one' : 'two')
21  assert_equal('one', #{x: 0} ? 'one' : 'two')
22  let var = 1
23  assert_equal('one', var ? 'one' : 'two')
24
25  assert_equal('two', false ? 'one' : 'two')
26  assert_equal('two', 0 ? 'one' : 'two')
27  if has('float')
28    assert_equal('two', 0.0 ? 'one' : 'two')
29  endif
30  assert_equal('two', '' ? 'one' : 'two')
31  assert_equal('two', 0z ? 'one' : 'two')
32  assert_equal('two', [] ? 'one' : 'two')
33  assert_equal('two', {} ? 'one' : 'two')
34  var = 0
35  assert_equal('two', var ? 'one' : 'two')
36
37  let Some: func = function('len')
38  let Other: func = function('winnr')
39  let Res: func = g:atrue ? Some : Other
40  assert_equal(function('len'), Res)
41
42  let RetOne: func(string): number = function('len')
43  let RetTwo: func(string): number = function('winnr')
44  let RetThat: func = g:atrue ? RetOne : RetTwo
45  assert_equal(function('len'), RetThat)
46enddef
47
48def Test_expr1_vimscript()
49  " only checks line continuation
50  let lines =<< trim END
51      vim9script
52      let var = 1
53      		? 'yes'
54		: 'no'
55      assert_equal('yes', var)
56  END
57  CheckScriptSuccess(lines)
58
59  lines =<< trim END
60      vim9script
61      let var = v:false
62      		? 'yes'
63		: 'no'
64      assert_equal('no', var)
65  END
66  CheckScriptSuccess(lines)
67
68  lines =<< trim END
69      vim9script
70      let var = v:false ?
71      		'yes' :
72		'no'
73      assert_equal('no', var)
74  END
75  CheckScriptSuccess(lines)
76enddef
77
78func Test_expr1_fails()
79  call CheckDefFailure(["let x = 1 ? 'one'"], "Missing ':' after '?'")
80  call CheckDefFailure(["let x = 1 ? 'one' : xxx"], "E1001:")
81
82  let msg = "white space required before and after '?'"
83  call CheckDefFailure(["let x = 1? 'one' : 'two'"], msg)
84  call CheckDefFailure(["let x = 1 ?'one' : 'two'"], msg)
85  call CheckDefFailure(["let x = 1?'one' : 'two'"], msg)
86
87  let msg = "white space required before and after ':'"
88  call CheckDefFailure(["let x = 1 ? 'one': 'two'"], msg)
89  call CheckDefFailure(["let x = 1 ? 'one' :'two'"], msg)
90  call CheckDefFailure(["let x = 1 ? 'one':'two'"], msg)
91endfunc
92
93" TODO: define inside test function
94def Record(val: any): any
95  g:vals->add(val)
96  return val
97enddef
98
99" test ||
100def Test_expr2()
101  assert_equal(2, 2 || 0)
102  assert_equal(7, 0 ||
103		    0 ||
104		    7)
105  assert_equal(0, 0 || 0)
106  assert_equal(0, 0
107  		    || 0)
108  assert_equal('', 0 || '')
109
110  g:vals = []
111  assert_equal(3, Record(3) || Record(1))
112  assert_equal([3], g:vals)
113
114  g:vals = []
115  assert_equal(5, Record(0) || Record(5))
116  assert_equal([0, 5], g:vals)
117
118  g:vals = []
119  assert_equal(4, Record(0)
120		      || Record(4)
121		      || Record(0))
122  assert_equal([0, 4], g:vals)
123
124  g:vals = []
125  assert_equal(0, Record([]) || Record('') || Record(0))
126  assert_equal([[], '', 0], g:vals)
127enddef
128
129def Test_expr2_vimscript()
130  " check line continuation
131  let lines =<< trim END
132      vim9script
133      let var = 0
134      		|| 1
135      assert_equal(1, var)
136  END
137  CheckScriptSuccess(lines)
138
139  lines =<< trim END
140      vim9script
141      let var = v:false
142      		|| v:true
143      		|| v:false
144      assert_equal(v:true, var)
145  END
146  CheckScriptSuccess(lines)
147
148  lines =<< trim END
149      vim9script
150      let var = v:false ||
151      		v:true ||
152		v:false
153      assert_equal(v:true, var)
154  END
155  CheckScriptSuccess(lines)
156
157  " check keeping the value
158  lines =<< trim END
159      vim9script
160      assert_equal(2, 2 || 0)
161      assert_equal(7, 0 ||
162			0 ||
163			7)
164      assert_equal(0, 0 || 0)
165      assert_equal(0, 0
166			|| 0)
167      assert_equal('', 0 || '')
168
169      g:vals = []
170      assert_equal(3, Record(3) || Record(1))
171      assert_equal([3], g:vals)
172
173      g:vals = []
174      assert_equal(5, Record(0) || Record(5))
175      assert_equal([0, 5], g:vals)
176
177      g:vals = []
178      assert_equal(4, Record(0)
179			  || Record(4)
180			  || Record(0))
181      assert_equal([0, 4], g:vals)
182
183      g:vals = []
184      assert_equal(0, Record([]) || Record('') || Record(0))
185      assert_equal([[], '', 0], g:vals)
186  END
187  CheckScriptSuccess(lines)
188enddef
189
190func Test_expr2_fails()
191  let msg = "white space required before and after '||'"
192  call CheckDefFailure(["let x = 1||2"], msg)
193  call CheckDefFailure(["let x = 1 ||2"], msg)
194  call CheckDefFailure(["let x = 1|| 2"], msg)
195
196  call CheckDefFailure(["let x = 1 || xxx"], 'E1001:')
197endfunc
198
199" test &&
200def Test_expr3()
201  assert_equal(0, 2 && 0)
202  assert_equal(0, 0 &&
203		0 &&
204		7)
205  assert_equal(7, 2
206  		    && 3
207		    && 7)
208  assert_equal(0, 0 && 0)
209  assert_equal(0, 0 && '')
210  assert_equal('', 8 && '')
211
212  g:vals = []
213  assert_equal(1, Record(3) && Record(1))
214  assert_equal([3, 1], g:vals)
215
216  g:vals = []
217  assert_equal(0, Record(0) && Record(5))
218  assert_equal([0], g:vals)
219
220  g:vals = []
221  assert_equal(0, Record(0) && Record(4) && Record(0))
222  assert_equal([0], g:vals)
223
224  g:vals = []
225  assert_equal(0, Record(8) && Record(4) && Record(0))
226  assert_equal([8, 4, 0], g:vals)
227
228  g:vals = []
229  assert_equal(0, Record([1]) && Record('z') && Record(0))
230  assert_equal([[1], 'z', 0], g:vals)
231enddef
232
233def Test_expr3_vimscript()
234  " check line continuation
235  let lines =<< trim END
236      vim9script
237      let var = 0
238      		&& 1
239      assert_equal(0, var)
240  END
241  CheckScriptSuccess(lines)
242
243  lines =<< trim END
244      vim9script
245      let var = v:true
246      		&& v:true
247      		&& v:true
248      assert_equal(v:true, var)
249  END
250  CheckScriptSuccess(lines)
251
252  lines =<< trim END
253      vim9script
254      let var = v:true &&
255      		v:true &&
256      		v:true
257      assert_equal(v:true, var)
258  END
259  CheckScriptSuccess(lines)
260
261  " check keeping the value
262  lines =<< trim END
263      vim9script
264      assert_equal(0, 2 && 0)
265      assert_equal(0, 0 &&
266		    0 &&
267		    7)
268      assert_equal(7, 2
269			&& 3
270			&& 7)
271      assert_equal(0, 0 && 0)
272      assert_equal(0, 0 && '')
273      assert_equal('', 8 && '')
274
275      g:vals = []
276      assert_equal(1, Record(3) && Record(1))
277      assert_equal([3, 1], g:vals)
278
279      g:vals = []
280      assert_equal(0, Record(0) && Record(5))
281      assert_equal([0], g:vals)
282
283      g:vals = []
284      assert_equal(0, Record(0) && Record(4) && Record(0))
285      assert_equal([0], g:vals)
286
287      g:vals = []
288      assert_equal(0, Record(8) && Record(4) && Record(0))
289      assert_equal([8, 4, 0], g:vals)
290
291      g:vals = []
292      assert_equal(0, Record([1]) && Record('z') && Record(0))
293      assert_equal([[1], 'z', 0], g:vals)
294  END
295  CheckScriptSuccess(lines)
296enddef
297
298func Test_expr3_fails()
299  let msg = "white space required before and after '&&'"
300  call CheckDefFailure(["let x = 1&&2"], msg)
301  call CheckDefFailure(["let x = 1 &&2"], msg)
302  call CheckDefFailure(["let x = 1&& 2"], msg)
303endfunc
304
305let atrue = v:true
306let afalse = v:false
307let anone = v:none
308let anull = v:null
309let anint = 10
310let alsoint = 4
311if has('float')
312  let afloat = 0.1
313endif
314let astring = 'asdf'
315let ablob = 0z01ab
316let alist = [2, 3, 4]
317let adict = #{aaa: 2, bbb: 8}
318
319" test == comperator
320def Test_expr4_equal()
321  let trueVar = true
322  let falseVar = false
323  assert_equal(true, true == true)
324  assert_equal(false, true ==
325			false)
326  assert_equal(true, true
327			== trueVar)
328  assert_equal(false, true == falseVar)
329  assert_equal(true, true == g:atrue)
330  assert_equal(false, g:atrue == false)
331
332  assert_equal(true, v:none == v:none)
333  assert_equal(false, v:none == v:null)
334  assert_equal(true, g:anone == v:none)
335  assert_equal(false, v:none == g:anull)
336
337  let nr0 = 0
338  let nr61 = 61
339  assert_equal(false, 2 == 0)
340  assert_equal(false, 2 == nr0)
341  assert_equal(true, 61 == 61)
342  assert_equal(true, 61 == nr61)
343  assert_equal(true, g:anint == 10)
344  assert_equal(false, 61 == g:anint)
345
346  if has('float')
347    let ff = 0.3
348    assert_equal(true, ff == 0.3)
349    assert_equal(false, 0.4 == ff)
350    assert_equal(true, 0.1 == g:afloat)
351    assert_equal(false, g:afloat == 0.3)
352
353    ff = 3.0
354    assert_equal(true, ff == 3)
355    assert_equal(true, 3 == ff)
356    ff = 3.1
357    assert_equal(false, ff == 3)
358    assert_equal(false, 3 == ff)
359  endif
360
361  assert_equal(true, 'abc' == 'abc')
362  assert_equal(false, 'xyz' == 'abc')
363  assert_equal(true, g:astring == 'asdf')
364  assert_equal(false, 'xyz' == g:astring)
365
366  assert_equal(false, 'abc' == 'aBc')
367  assert_equal(false, 'abc' ==# 'aBc')
368  assert_equal(true, 'abc' ==? 'aBc')
369
370  assert_equal(false, 'abc' == 'ABC')
371  set ignorecase
372  assert_equal(false, 'abc' == 'ABC')
373  assert_equal(false, 'abc' ==# 'ABC')
374  set noignorecase
375
376  call CheckDefFailure(["let x = 'a' == xxx"], 'E1001:')
377
378  let bb = 0z3f
379  assert_equal(true, 0z3f == bb)
380  assert_equal(false, bb == 0z4f)
381  assert_equal(true, g:ablob == 0z01ab)
382  assert_equal(false, 0z3f == g:ablob)
383
384  assert_equal(true, [1, 2, 3] == [1, 2, 3])
385  assert_equal(false, [1, 2, 3] == [2, 3, 1])
386  assert_equal(true, [2, 3, 4] == g:alist)
387  assert_equal(false, g:alist == [2, 3, 1])
388  assert_equal(false, [1, 2, 3] == [])
389  assert_equal(false, [1, 2, 3] == ['1', '2', '3'])
390
391  assert_equal(true, #{one: 1, two: 2} == #{one: 1, two: 2})
392  assert_equal(false, #{one: 1, two: 2} == #{one: 2, two: 2})
393  assert_equal(false, #{one: 1, two: 2} == #{two: 2})
394  assert_equal(false, #{one: 1, two: 2} == #{})
395  assert_equal(true, g:adict == #{bbb: 8, aaa: 2})
396  assert_equal(false, #{ccc: 9, aaa: 2} == g:adict)
397
398  assert_equal(true, function('g:Test_expr4_equal') == function('g:Test_expr4_equal'))
399  assert_equal(false, function('g:Test_expr4_equal') == function('g:Test_expr4_is'))
400
401  assert_equal(true, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_equal', [123]))
402  assert_equal(false, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_is', [123]))
403  assert_equal(false, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_equal', [999]))
404
405  let OneFunc: func
406  let TwoFunc: func
407  OneFunc = function('len')
408  TwoFunc = function('len')
409  assert_equal(true, OneFunc('abc') == TwoFunc('123'))
410enddef
411
412" test != comperator
413def Test_expr4_notequal()
414  let trueVar = true
415  let falseVar = false
416  assert_equal(false, true != true)
417  assert_equal(true, true !=
418			false)
419  assert_equal(false, true
420  			!= trueVar)
421  assert_equal(true, true != falseVar)
422  assert_equal(false, true != g:atrue)
423  assert_equal(true, g:atrue != false)
424
425  assert_equal(false, v:none != v:none)
426  assert_equal(true, v:none != v:null)
427  assert_equal(false, g:anone != v:none)
428  assert_equal(true, v:none != g:anull)
429
430  let nr55 = 55
431  let nr0 = 55
432  assert_equal(true, 2 != 0)
433  assert_equal(true, 2 != nr0)
434  assert_equal(false, 55 != 55)
435  assert_equal(false, 55 != nr55)
436  assert_equal(false, g:anint != 10)
437  assert_equal(true, 61 != g:anint)
438
439  if has('float')
440    let ff = 0.3
441    assert_equal(false, 0.3 != ff)
442    assert_equal(true, 0.4 != ff)
443    assert_equal(false, 0.1 != g:afloat)
444    assert_equal(true, g:afloat != 0.3)
445
446    ff = 3.0
447    assert_equal(false, ff != 3)
448    assert_equal(false, 3 != ff)
449    ff = 3.1
450    assert_equal(true, ff != 3)
451    assert_equal(true, 3 != ff)
452  endif
453
454  assert_equal(false, 'abc' != 'abc')
455  assert_equal(true, 'xyz' != 'abc')
456  assert_equal(false, g:astring != 'asdf')
457  assert_equal(true, 'xyz' != g:astring)
458
459  assert_equal(true, 'abc' != 'ABC')
460  set ignorecase
461  assert_equal(true, 'abc' != 'ABC')
462  set noignorecase
463
464  let bb = 0z3f
465  assert_equal(false, 0z3f != bb)
466  assert_equal(true, bb != 0z4f)
467  assert_equal(false, g:ablob != 0z01ab)
468  assert_equal(true, 0z3f != g:ablob)
469
470  assert_equal(false, [1, 2, 3] != [1, 2, 3])
471  assert_equal(true, [1, 2, 3] != [2, 3, 1])
472  assert_equal(false, [2, 3, 4] != g:alist)
473  assert_equal(true, g:alist != [2, 3, 1])
474  assert_equal(true, [1, 2, 3] != [])
475  assert_equal(true, [1, 2, 3] != ['1', '2', '3'])
476
477  assert_equal(false, #{one: 1, two: 2} != #{one: 1, two: 2})
478  assert_equal(true, #{one: 1, two: 2} != #{one: 2, two: 2})
479  assert_equal(true, #{one: 1, two: 2} != #{two: 2})
480  assert_equal(true, #{one: 1, two: 2} != #{})
481  assert_equal(false, g:adict != #{bbb: 8, aaa: 2})
482  assert_equal(true, #{ccc: 9, aaa: 2} != g:adict)
483
484  assert_equal(false, function('g:Test_expr4_equal') != function('g:Test_expr4_equal'))
485  assert_equal(true, function('g:Test_expr4_equal') != function('g:Test_expr4_is'))
486
487  assert_equal(false, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_equal', [123]))
488  assert_equal(true, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_is', [123]))
489  assert_equal(true, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_equal', [999]))
490enddef
491
492" test > comperator
493def Test_expr4_greater()
494  assert_true(2 > 0)
495  assert_true(2 >
496		1)
497  assert_false(2 > 2)
498  assert_false(2 > 3)
499  let nr2 = 2
500  assert_true(nr2 > 0)
501  assert_true(nr2 >
502		1)
503  assert_false(nr2 > 2)
504  assert_false(nr2
505  		    > 3)
506  if has('float')
507    let ff = 2.0
508    assert_true(ff > 0.0)
509    assert_true(ff > 1.0)
510    assert_false(ff > 2.0)
511    assert_false(ff > 3.0)
512  endif
513enddef
514
515" test >= comperator
516def Test_expr4_greaterequal()
517  assert_true(2 >= 0)
518  assert_true(2 >=
519			2)
520  assert_false(2 >= 3)
521  let nr2 = 2
522  assert_true(nr2 >= 0)
523  assert_true(nr2 >= 2)
524  assert_false(nr2 >= 3)
525  if has('float')
526    let ff = 2.0
527    assert_true(ff >= 0.0)
528    assert_true(ff >= 2.0)
529    assert_false(ff >= 3.0)
530  endif
531enddef
532
533" test < comperator
534def Test_expr4_smaller()
535  assert_false(2 < 0)
536  assert_false(2 <
537			2)
538  assert_true(2
539  		< 3)
540  let nr2 = 2
541  assert_false(nr2 < 0)
542  assert_false(nr2 < 2)
543  assert_true(nr2 < 3)
544  if has('float')
545    let ff = 2.0
546    assert_false(ff < 0.0)
547    assert_false(ff < 2.0)
548    assert_true(ff < 3.0)
549  endif
550enddef
551
552" test <= comperator
553def Test_expr4_smallerequal()
554  assert_false(2 <= 0)
555  assert_false(2 <=
556			1)
557  assert_true(2
558  		<= 2)
559  assert_true(2 <= 3)
560  let nr2 = 2
561  assert_false(nr2 <= 0)
562  assert_false(nr2 <= 1)
563  assert_true(nr2 <= 2)
564  assert_true(nr2 <= 3)
565  if has('float')
566    let ff = 2.0
567    assert_false(ff <= 0.0)
568    assert_false(ff <= 1.0)
569    assert_true(ff <= 2.0)
570    assert_true(ff <= 3.0)
571  endif
572enddef
573
574" test =~ comperator
575def Test_expr4_match()
576  assert_equal(false, '2' =~ '0')
577  assert_equal(false, ''
578  			 =~ '0')
579  assert_equal(true, '2' =~
580			'[0-9]')
581enddef
582
583" test !~ comperator
584def Test_expr4_nomatch()
585  assert_equal(true, '2' !~ '0')
586  assert_equal(true, ''
587  			!~ '0')
588  assert_equal(false, '2' !~
589			'[0-9]')
590enddef
591
592" test is comperator
593def Test_expr4_is()
594  let mylist = [2]
595  assert_false(mylist is [2])
596  let other = mylist
597  assert_true(mylist is
598		other)
599
600  let myblob = 0z1234
601  assert_false(myblob
602  			is 0z1234)
603  let otherblob = myblob
604  assert_true(myblob is otherblob)
605enddef
606
607" test isnot comperator
608def Test_expr4_isnot()
609  let mylist = [2]
610  assert_true('2' isnot '0')
611  assert_true(mylist isnot [2])
612  let other = mylist
613  assert_false(mylist isnot
614			other)
615
616  let myblob = 0z1234
617  assert_true(myblob
618  		isnot 0z1234)
619  let otherblob = myblob
620  assert_false(myblob isnot otherblob)
621enddef
622
623def RetVoid()
624  let x = 1
625enddef
626
627def Test_expr4_vimscript()
628  " check line continuation
629  let lines =<< trim END
630      vim9script
631      let var = 0
632      		< 1
633      assert_equal(1, var)
634  END
635  CheckScriptSuccess(lines)
636
637  lines =<< trim END
638      vim9script
639      let var = 123
640      		!= 123
641      assert_equal(0, var)
642  END
643  CheckScriptSuccess(lines)
644
645  lines =<< trim END
646      vim9script
647      let var = 123 ==
648      			123
649      assert_equal(1, var)
650  END
651  CheckScriptSuccess(lines)
652
653  lines =<< trim END
654      vim9script
655      let list = [1, 2, 3]
656      let var = list
657      		is list
658      assert_equal(1, var)
659  END
660  CheckScriptSuccess(lines)
661
662  lines =<< trim END
663      vim9script
664      let myblob = 0z1234
665      let var = myblob
666      		isnot 0z11
667      assert_equal(1, var)
668  END
669  CheckScriptSuccess(lines)
670
671  " spot check mismatching types
672  lines =<< trim END
673      vim9script
674      echo '' == 0
675  END
676  CheckScriptFailure(lines, 'E1072:')
677
678  lines =<< trim END
679      vim9script
680      echo v:true > v:false
681  END
682  CheckScriptFailure(lines, 'Cannot compare bool with bool')
683
684  lines =<< trim END
685      vim9script
686      echo 123 is 123
687  END
688  CheckScriptFailure(lines, 'Cannot use "is" with number')
689enddef
690
691func Test_expr4_fails()
692  let msg = "white space required before and after '>'"
693  call CheckDefFailure(["let x = 1>2"], msg)
694  call CheckDefFailure(["let x = 1 >2"], msg)
695  call CheckDefFailure(["let x = 1> 2"], msg)
696
697  let msg = "white space required before and after '=='"
698  call CheckDefFailure(["let x = 1==2"], msg)
699  call CheckDefFailure(["let x = 1 ==2"], msg)
700  call CheckDefFailure(["let x = 1== 2"], msg)
701
702  let msg = "white space required before and after 'is'"
703  call CheckDefFailure(["let x = '1'is'2'"], msg)
704  call CheckDefFailure(["let x = '1' is'2'"], msg)
705  call CheckDefFailure(["let x = '1'is '2'"], msg)
706
707  let msg = "white space required before and after 'isnot'"
708  call CheckDefFailure(["let x = '1'isnot'2'"], msg)
709  call CheckDefFailure(["let x = '1' isnot'2'"], msg)
710  call CheckDefFailure(["let x = '1'isnot '2'"], msg)
711
712  call CheckDefFailure(["let x = 1 is# 2"], 'E15:')
713  call CheckDefFailure(["let x = 1 is? 2"], 'E15:')
714  call CheckDefFailure(["let x = 1 isnot# 2"], 'E15:')
715  call CheckDefFailure(["let x = 1 isnot? 2"], 'E15:')
716
717  call CheckDefFailure(["let x = 1 == '2'"], 'Cannot compare number with string')
718  call CheckDefFailure(["let x = '1' == 2"], 'Cannot compare string with number')
719  call CheckDefFailure(["let x = 1 == RetVoid()"], 'Cannot compare number with void')
720  call CheckDefFailure(["let x = RetVoid() == 1"], 'Cannot compare void with number')
721
722  call CheckDefFailure(["let x = true > false"], 'Cannot compare bool with bool')
723  call CheckDefFailure(["let x = true >= false"], 'Cannot compare bool with bool')
724  call CheckDefFailure(["let x = true < false"], 'Cannot compare bool with bool')
725  call CheckDefFailure(["let x = true <= false"], 'Cannot compare bool with bool')
726  call CheckDefFailure(["let x = true =~ false"], 'Cannot compare bool with bool')
727  call CheckDefFailure(["let x = true !~ false"], 'Cannot compare bool with bool')
728  call CheckDefFailure(["let x = true is false"], 'Cannot use "is" with bool')
729  call CheckDefFailure(["let x = true isnot false"], 'Cannot use "isnot" with bool')
730
731  call CheckDefFailure(["let x = v:none is v:null"], 'Cannot use "is" with special')
732  call CheckDefFailure(["let x = v:none isnot v:null"], 'Cannot use "isnot" with special')
733  call CheckDefFailure(["let x = 123 is 123"], 'Cannot use "is" with number')
734  call CheckDefFailure(["let x = 123 isnot 123"], 'Cannot use "isnot" with number')
735  if has('float')
736    call CheckDefFailure(["let x = 1.3 is 1.3"], 'Cannot use "is" with float')
737    call CheckDefFailure(["let x = 1.3 isnot 1.3"], 'Cannot use "isnot" with float')
738  endif
739
740  call CheckDefFailure(["let x = 0za1 > 0z34"], 'Cannot compare blob with blob')
741  call CheckDefFailure(["let x = 0za1 >= 0z34"], 'Cannot compare blob with blob')
742  call CheckDefFailure(["let x = 0za1 < 0z34"], 'Cannot compare blob with blob')
743  call CheckDefFailure(["let x = 0za1 <= 0z34"], 'Cannot compare blob with blob')
744  call CheckDefFailure(["let x = 0za1 =~ 0z34"], 'Cannot compare blob with blob')
745  call CheckDefFailure(["let x = 0za1 !~ 0z34"], 'Cannot compare blob with blob')
746
747  call CheckDefFailure(["let x = [13] > [88]"], 'Cannot compare list with list')
748  call CheckDefFailure(["let x = [13] >= [88]"], 'Cannot compare list with list')
749  call CheckDefFailure(["let x = [13] < [88]"], 'Cannot compare list with list')
750  call CheckDefFailure(["let x = [13] <= [88]"], 'Cannot compare list with list')
751  call CheckDefFailure(["let x = [13] =~ [88]"], 'Cannot compare list with list')
752  call CheckDefFailure(["let x = [13] !~ [88]"], 'Cannot compare list with list')
753
754  call CheckDefFailure(['let j: job', 'let chan: channel', 'let r = j == chan'], 'Cannot compare job with channel')
755  call CheckDefFailure(['let j: job', 'let x: list<any>', 'let r = j == x'], 'Cannot compare job with list')
756  call CheckDefFailure(['let j: job', 'let Xx: func', 'let r = j == Xx'], 'Cannot compare job with func')
757  call CheckDefFailure(['let j: job', 'let Xx: func', 'let r = j == Xx'], 'Cannot compare job with func')
758endfunc
759
760" test addition, subtraction, concatenation
761def Test_expr5()
762  assert_equal(66, 60 + 6)
763  assert_equal(70, 60 +
764			g:anint)
765  assert_equal(9, g:alsoint
766  			+ 5)
767  assert_equal(14, g:alsoint + g:anint)
768  assert_equal([1, 2, 3, 4], [1] + g:alist)
769
770  assert_equal(54, 60 - 6)
771  assert_equal(50, 60 -
772		    g:anint)
773  assert_equal(-1, g:alsoint
774  			- 5)
775  assert_equal(-6, g:alsoint - g:anint)
776
777  assert_equal('hello', 'hel' .. 'lo')
778  assert_equal('hello 123', 'hello ' ..
779					123)
780  assert_equal('hello 123', 'hello '
781  				..  123)
782  assert_equal('123 hello', 123 .. ' hello')
783  assert_equal('123456', 123 .. 456)
784
785  assert_equal([1, 2, 3, 4], [1, 2] + [3, 4])
786  assert_equal(0z11223344, 0z1122 + 0z3344)
787  assert_equal(0z112201ab, 0z1122
788  				+ g:ablob)
789  assert_equal(0z01ab3344, g:ablob + 0z3344)
790  assert_equal(0z01ab01ab, g:ablob + g:ablob)
791enddef
792
793def Test_expr5_vim9script()
794  " only checks line continuation
795  let lines =<< trim END
796      vim9script
797      let var = 11
798      		+ 77
799		- 22
800      assert_equal(66, var)
801  END
802  CheckScriptSuccess(lines)
803
804  lines =<< trim END
805      vim9script
806      let var = 'one'
807      		.. 'two'
808      assert_equal('onetwo', var)
809  END
810  CheckScriptSuccess(lines)
811enddef
812
813def Test_expr5_float()
814  if !has('float')
815    MissingFeature 'float'
816  else
817    assert_equal(66.0, 60.0 + 6.0)
818    assert_equal(66.0, 60.0 + 6)
819    assert_equal(66.0, 60 +
820			 6.0)
821    assert_equal(5.1, g:afloat
822    			+ 5)
823    assert_equal(8.1, 8 + g:afloat)
824    assert_equal(10.1, g:anint + g:afloat)
825    assert_equal(10.1, g:afloat + g:anint)
826
827    assert_equal(54.0, 60.0 - 6.0)
828    assert_equal(54.0, 60.0
829    			    - 6)
830    assert_equal(54.0, 60 - 6.0)
831    assert_equal(-4.9, g:afloat - 5)
832    assert_equal(7.9, 8 - g:afloat)
833    assert_equal(9.9, g:anint - g:afloat)
834    assert_equal(-9.9, g:afloat - g:anint)
835  endif
836enddef
837
838func Test_expr5_fails()
839  let msg = "white space required before and after '+'"
840  call CheckDefFailure(["let x = 1+2"], msg)
841  call CheckDefFailure(["let x = 1 +2"], msg)
842  call CheckDefFailure(["let x = 1+ 2"], msg)
843
844  let msg = "white space required before and after '-'"
845  call CheckDefFailure(["let x = 1-2"], msg)
846  call CheckDefFailure(["let x = 1 -2"], msg)
847  call CheckDefFailure(["let x = 1- 2"], msg)
848
849  let msg = "white space required before and after '..'"
850  call CheckDefFailure(["let x = '1'..'2'"], msg)
851  call CheckDefFailure(["let x = '1' ..'2'"], msg)
852  call CheckDefFailure(["let x = '1'.. '2'"], msg)
853
854  call CheckDefFailure(["let x = 0z1122 + 33"], 'E1051')
855  call CheckDefFailure(["let x = 0z1122 + [3]"], 'E1051')
856  call CheckDefFailure(["let x = 0z1122 + 'asd'"], 'E1051')
857  call CheckDefFailure(["let x = 33 + 0z1122"], 'E1051')
858  call CheckDefFailure(["let x = [3] + 0z1122"], 'E1051')
859  call CheckDefFailure(["let x = 'asdf' + 0z1122"], 'E1051')
860  call CheckDefFailure(["let x = 6 + xxx"], 'E1001')
861endfunc
862
863" test multiply, divide, modulo
864def Test_expr6()
865  assert_equal(36, 6 * 6)
866  assert_equal(24, 6 *
867			g:alsoint)
868  assert_equal(24, g:alsoint
869  			* 6)
870  assert_equal(40, g:anint * g:alsoint)
871
872  assert_equal(10, 60 / 6)
873  assert_equal(6, 60 /
874			g:anint)
875  assert_equal(1, g:anint / 6)
876  assert_equal(2, g:anint
877  			/ g:alsoint)
878
879  assert_equal(5, 11 % 6)
880  assert_equal(4, g:anint % 6)
881  assert_equal(3, 13 %
882			g:anint)
883  assert_equal(2, g:anint
884  			% g:alsoint)
885
886  assert_equal(4, 6 * 4 / 6)
887
888  let x = [2]
889  let y = [3]
890  assert_equal(5, x[0] + y[0])
891  assert_equal(6, x[0] * y[0])
892  if has('float')
893    let xf = [2.0]
894    let yf = [3.0]
895    assert_equal(5.0, xf[0]
896    			+ yf[0])
897    assert_equal(6.0, xf[0]
898    			* yf[0])
899  endif
900
901  call CheckDefFailure(["let x = 6 * xxx"], 'E1001')
902enddef
903
904def Test_expr6_vim9script()
905  " only checks line continuation
906  let lines =<< trim END
907      vim9script
908      let var = 11
909      		* 22
910		/ 3
911      assert_equal(80, var)
912  END
913  CheckScriptSuccess(lines)
914
915  lines =<< trim END
916      vim9script
917      let var = 25
918      		% 10
919      assert_equal(5, var)
920  END
921  CheckScriptSuccess(lines)
922enddef
923
924def Test_expr6_float()
925  if !has('float')
926    MissingFeature 'float'
927  else
928    assert_equal(36.0, 6.0 * 6)
929    assert_equal(36.0, 6 *
930			   6.0)
931    assert_equal(36.0, 6.0 * 6.0)
932    assert_equal(1.0, g:afloat * g:anint)
933
934    assert_equal(10.0, 60 / 6.0)
935    assert_equal(10.0, 60.0 /
936			6)
937    assert_equal(10.0, 60.0 / 6.0)
938    assert_equal(0.01, g:afloat / g:anint)
939
940    assert_equal(4.0, 6.0 * 4 / 6)
941    assert_equal(4.0, 6 *
942			4.0 /
943			6)
944    assert_equal(4.0, 6 * 4 / 6.0)
945    assert_equal(4.0, 6.0 * 4.0 / 6)
946    assert_equal(4.0, 6 * 4.0 / 6.0)
947    assert_equal(4.0, 6.0 * 4 / 6.0)
948    assert_equal(4.0, 6.0 * 4.0 / 6.0)
949
950    assert_equal(4.0, 6.0 * 4.0 / 6.0)
951  endif
952enddef
953
954func Test_expr6_fails()
955  let msg = "white space required before and after '*'"
956  call CheckDefFailure(["let x = 1*2"], msg)
957  call CheckDefFailure(["let x = 1 *2"], msg)
958  call CheckDefFailure(["let x = 1* 2"], msg)
959
960  let msg = "white space required before and after '/'"
961  call CheckDefFailure(["let x = 1/2"], msg)
962  call CheckDefFailure(["let x = 1 /2"], msg)
963  call CheckDefFailure(["let x = 1/ 2"], msg)
964
965  let msg = "white space required before and after '%'"
966  call CheckDefFailure(["let x = 1%2"], msg)
967  call CheckDefFailure(["let x = 1 %2"], msg)
968  call CheckDefFailure(["let x = 1% 2"], msg)
969
970  call CheckDefFailure(["let x = '1' * '2'"], 'E1036:')
971  call CheckDefFailure(["let x = '1' / '2'"], 'E1036:')
972  call CheckDefFailure(["let x = '1' % '2'"], 'E1035:')
973
974  call CheckDefFailure(["let x = 0z01 * 0z12"], 'E1036:')
975  call CheckDefFailure(["let x = 0z01 / 0z12"], 'E1036:')
976  call CheckDefFailure(["let x = 0z01 % 0z12"], 'E1035:')
977
978  call CheckDefFailure(["let x = [1] * [2]"], 'E1036:')
979  call CheckDefFailure(["let x = [1] / [2]"], 'E1036:')
980  call CheckDefFailure(["let x = [1] % [2]"], 'E1035:')
981
982  call CheckDefFailure(["let x = #{one: 1} * #{two: 2}"], 'E1036:')
983  call CheckDefFailure(["let x = #{one: 1} / #{two: 2}"], 'E1036:')
984  call CheckDefFailure(["let x = #{one: 1} % #{two: 2}"], 'E1035:')
985
986  call CheckDefFailure(["let x = 0xff[1]"], 'E1090:')
987  if has('float')
988    call CheckDefFailure(["let x = 0.7[1]"], 'E1090:')
989  endif
990endfunc
991
992func Test_expr6_float_fails()
993  CheckFeature float
994  call CheckDefFailure(["let x = 1.0 % 2"], 'E1035:')
995endfunc
996
997" define here to use old style parsing
998if has('float')
999  let g:float_zero = 0.0
1000  let g:float_neg = -9.8
1001  let g:float_big = 9.9e99
1002endif
1003let g:blob_empty = 0z
1004let g:blob_one = 0z01
1005let g:blob_long = 0z0102.0304
1006
1007let g:string_empty = ''
1008let g:string_short = 'x'
1009let g:string_long = 'abcdefghijklm'
1010let g:string_special = "ab\ncd\ref\ekk"
1011
1012let g:special_true = v:true
1013let g:special_false = v:false
1014let g:special_null = v:null
1015let g:special_none = v:none
1016
1017let g:list_empty = []
1018let g:list_mixed = [1, 'b', v:false]
1019
1020let g:dict_empty = {}
1021let g:dict_one = #{one: 1}
1022
1023let $TESTVAR = 'testvar'
1024
1025" test low level expression
1026def Test_expr7_number()
1027  " number constant
1028  assert_equal(0, 0)
1029  assert_equal(654, 0654)
1030
1031  assert_equal(6, 0x6)
1032  assert_equal(15, 0xf)
1033  assert_equal(255, 0xff)
1034enddef
1035
1036def Test_expr7_float()
1037  " float constant
1038  if !has('float')
1039    MissingFeature 'float'
1040  else
1041    assert_equal(g:float_zero, .0)
1042    assert_equal(g:float_zero, 0.0)
1043    assert_equal(g:float_neg, -9.8)
1044    assert_equal(g:float_big, 9.9e99)
1045  endif
1046enddef
1047
1048def Test_expr7_blob()
1049  " blob constant
1050  assert_equal(g:blob_empty, 0z)
1051  assert_equal(g:blob_one, 0z01)
1052  assert_equal(g:blob_long, 0z0102.0304)
1053
1054  call CheckDefFailure(["let x = 0z123"], 'E973:')
1055enddef
1056
1057def Test_expr7_string()
1058  " string constant
1059  assert_equal(g:string_empty, '')
1060  assert_equal(g:string_empty, "")
1061  assert_equal(g:string_short, 'x')
1062  assert_equal(g:string_short, "x")
1063  assert_equal(g:string_long, 'abcdefghijklm')
1064  assert_equal(g:string_long, "abcdefghijklm")
1065  assert_equal(g:string_special, "ab\ncd\ref\ekk")
1066
1067  call CheckDefFailure(['let x = "abc'], 'E114:')
1068  call CheckDefFailure(["let x = 'abc"], 'E115:')
1069enddef
1070
1071def Test_expr7_vimvar()
1072  let old: list<string> = v:oldfiles
1073  let compl: dict<any> = v:completed_item
1074
1075  call CheckDefFailure(["let old: list<number> = v:oldfiles"], 'E1013: type mismatch, expected list<number> but got list<string>')
1076  call CheckDefFailure(["let old: dict<number> = v:completed_item"], 'E1013: type mismatch, expected dict<number> but got dict<any>')
1077enddef
1078
1079def Test_expr7_special()
1080  " special constant
1081  assert_equal(g:special_true, true)
1082  assert_equal(g:special_false, false)
1083  assert_equal(g:special_true, v:true)
1084  assert_equal(g:special_false, v:false)
1085  assert_equal(g:special_null, v:null)
1086  assert_equal(g:special_none, v:none)
1087
1088  call CheckDefFailure(['v:true = true'], 'E46:')
1089  call CheckDefFailure(['v:true = false'], 'E46:')
1090  call CheckDefFailure(['v:false = true'], 'E46:')
1091  call CheckDefFailure(['v:null = 11'], 'E46:')
1092  call CheckDefFailure(['v:none = 22'], 'E46:')
1093enddef
1094
1095def Test_expr7_special_vim9script()
1096  let lines =<< trim END
1097      vim9script
1098      let t = true
1099      let f = false
1100      assert_equal(v:true, true)
1101      assert_equal(true, t)
1102      assert_equal(v:false, false)
1103      assert_equal(false, f)
1104  END
1105  CheckScriptSuccess(lines)
1106enddef
1107
1108def Test_expr7_list()
1109  " list
1110  assert_equal(g:list_empty, [])
1111  assert_equal(g:list_empty, [  ])
1112  assert_equal(g:list_mixed, [1, 'b', false,])
1113  assert_equal('b', g:list_mixed[1])
1114
1115  call CheckDefExecFailure(["let x = g:anint[3]"], 'E714:')
1116  call CheckDefFailure(["let x = g:list_mixed[xxx]"], 'E1001:')
1117  call CheckDefFailure(["let x = [1,2,3]"], 'E1069:')
1118  call CheckDefExecFailure(["let x = g:list_mixed['xx']"], 'E39:')
1119  call CheckDefFailure(["let x = g:list_mixed["], 'E1097:')
1120  call CheckDefFailure(["let x = g:list_mixed[0"], 'E1097:')
1121  call CheckDefExecFailure(["let x = g:list_empty[3]"], 'E684:')
1122enddef
1123
1124def Test_expr7_list_vim9script()
1125  let lines =<< trim END
1126      vim9script
1127      let l = [
1128		11,
1129		22,
1130		]
1131      assert_equal([11, 22], l)
1132  END
1133  CheckScriptSuccess(lines)
1134
1135  lines =<< trim END
1136      vim9script
1137      let l = [11,
1138		22]
1139      assert_equal([11, 22], l)
1140  END
1141  CheckScriptSuccess(lines)
1142
1143  lines =<< trim END
1144      vim9script
1145      let l = [11,22]
1146  END
1147  CheckScriptFailure(lines, 'E1069:')
1148enddef
1149
1150def Test_expr7_lambda()
1151  let La = { -> 'result'}
1152  assert_equal('result', La())
1153  assert_equal([1, 3, 5], [1, 2, 3]->map({key, val -> key + val}))
1154
1155  " line continuation inside lambda with "cond ? expr : expr" works
1156  let ll = range(3)
1157  map(ll, {k, v -> v % 2 ? {
1158	    '111': 111 } : {}
1159	})
1160  assert_equal([{}, {'111': 111}, {}], ll)
1161
1162  ll = range(3)
1163  map(ll, {k, v -> v == 8 || v
1164		== 9
1165		|| v % 2 ? 111 : 222
1166	})
1167  assert_equal([222, 111, 222], ll)
1168
1169  ll = range(3)
1170  map(ll, {k, v -> v != 8 && v
1171		!= 9
1172		&& v % 2 == 0 ? 111 : 222
1173	})
1174  assert_equal([111, 222, 111], ll)
1175
1176  call CheckDefFailure(["filter([1, 2], {k,v -> 1})"], 'E1069:')
1177enddef
1178
1179def Test_expr7_lambda_vim9script()
1180  let lines =<< trim END
1181      vim9script
1182      let v = 10->{a ->
1183	    a
1184	      + 2
1185	  }()
1186      assert_equal(12, v)
1187  END
1188  CheckScriptSuccess(lines)
1189enddef
1190
1191def Test_expr7_dict()
1192  " dictionary
1193  assert_equal(g:dict_empty, {})
1194  assert_equal(g:dict_empty, {  })
1195  assert_equal(g:dict_one, {'one': 1})
1196  let key = 'one'
1197  let val = 1
1198  assert_equal(g:dict_one, {key: val})
1199
1200  call CheckDefFailure(["let x = #{8: 8}"], 'E1014:')
1201  call CheckDefFailure(["let x = #{xxx}"], 'E720:')
1202  call CheckDefFailure(["let x = #{xxx: 1", "let y = 2"], 'E722:')
1203  call CheckDefFailure(["let x = #{xxx: 1,"], 'E723:')
1204  call CheckDefFailure(["let x = {'a': xxx}"], 'E1001:')
1205  call CheckDefFailure(["let x = {xxx: 8}"], 'E1001:')
1206  call CheckDefFailure(["let x = #{a: 1, a: 2}"], 'E721:')
1207  call CheckDefFailure(["let x = #"], 'E1015:')
1208  call CheckDefFailure(["let x += 1"], 'E1020:')
1209  call CheckDefFailure(["let x = x + 1"], 'E1001:')
1210  call CheckDefExecFailure(["let x = g:anint.member"], 'E715:')
1211  call CheckDefExecFailure(["let x = g:dict_empty.member"], 'E716:')
1212enddef
1213
1214def Test_expr7_dict_vim9script()
1215  let lines =<< trim END
1216      vim9script
1217      let d = {
1218		'one':
1219		   1,
1220		'two': 2,
1221		   }
1222      assert_equal({'one': 1, 'two': 2}, d)
1223  END
1224  CheckScriptSuccess(lines)
1225
1226  lines =<< trim END
1227      vim9script
1228      let d = { "one": "one", "two": "two", }
1229      assert_equal({'one': 'one', 'two': 'two'}, d)
1230  END
1231  CheckScriptSuccess(lines)
1232
1233  lines =<< trim END
1234      vim9script
1235      let d = #{one: 1,
1236		two: 2,
1237	       }
1238      assert_equal({'one': 1, 'two': 2}, d)
1239  END
1240  CheckScriptSuccess(lines)
1241
1242  lines =<< trim END
1243      vim9script
1244      let d = #{one:1, two: 2}
1245  END
1246  CheckScriptFailure(lines, 'E1069:')
1247
1248  lines =<< trim END
1249      vim9script
1250      let d = #{one: 1,two: 2}
1251  END
1252  CheckScriptFailure(lines, 'E1069:')
1253enddef
1254
1255let g:oneString = 'one'
1256
1257def Test_expr_member()
1258  assert_equal(1, g:dict_one.one)
1259  let d: dict<number> = g:dict_one
1260  assert_equal(1, d['one'])
1261  assert_equal(1, d[
1262		  'one'
1263		  ])
1264  assert_equal(1, d
1265  	.one)
1266
1267  # getting the one member should clear the dict after getting the item
1268  assert_equal('one', #{one: 'one'}.one)
1269  assert_equal('one', #{one: 'one'}[g:oneString])
1270
1271  call CheckDefFailure(["let x = g:dict_one.#$!"], 'E1002:')
1272  call CheckDefExecFailure(["let d: dict<any>", "echo d['a']"], 'E716:')
1273  call CheckDefExecFailure(["let d: dict<number>", "d = g:list_empty"], 'E1029: Expected dict but got list')
1274enddef
1275
1276def Test_expr_index()
1277  # getting the one member should clear the list only after getting the item
1278  assert_equal('bbb', ['aaa', 'bbb', 'ccc'][1])
1279enddef
1280
1281def Test_expr_member_vim9script()
1282  let lines =<< trim END
1283      vim9script
1284      let d = #{one:
1285      		'one',
1286		two: 'two'}
1287      assert_equal('one', d.one)
1288      assert_equal('one', d
1289                            .one)
1290      assert_equal('one', d[
1291			    'one'
1292			    ])
1293  END
1294  CheckScriptSuccess(lines)
1295
1296  lines =<< trim END
1297      vim9script
1298      let l = [1,
1299		  2,
1300		  3, 4
1301		  ]
1302      assert_equal(2, l[
1303			    1
1304			    ])
1305      assert_equal([2, 3], l[1 : 2])
1306      assert_equal([1, 2, 3], l[
1307				:
1308				2
1309				])
1310      assert_equal([3, 4], l[
1311				2
1312				:
1313				])
1314  END
1315  CheckScriptSuccess(lines)
1316enddef
1317
1318def Test_expr7_option()
1319  " option
1320  set ts=11
1321  assert_equal(11, &ts)
1322  &ts = 9
1323  assert_equal(9, &ts)
1324  set ts=8
1325  set grepprg=some\ text
1326  assert_equal('some text', &grepprg)
1327  &grepprg = test_null_string()
1328  assert_equal('', &grepprg)
1329  set grepprg&
1330enddef
1331
1332def Test_expr7_environment()
1333  " environment variable
1334  assert_equal('testvar', $TESTVAR)
1335  assert_equal('', $ASDF_ASD_XXX)
1336
1337  call CheckDefFailure(["let x = $$$"], 'E1002:')
1338enddef
1339
1340def Test_expr7_register()
1341  @a = 'register a'
1342  assert_equal('register a', @a)
1343enddef
1344
1345def Test_expr7_parens()
1346  " (expr)
1347  assert_equal(4, (6 * 4) / 6)
1348  assert_equal(0, 6 * ( 4 / 6 ))
1349
1350  assert_equal(6, +6)
1351  assert_equal(-6, -6)
1352  assert_equal(6, --6)
1353  assert_equal(6, -+-6)
1354  assert_equal(-6, ---6)
1355  assert_equal(false, !-3)
1356  assert_equal(true, !+-+0)
1357enddef
1358
1359def Test_expr7_parens_vim9script()
1360  let lines =<< trim END
1361      vim9script
1362      let s = (
1363		'one'
1364		..
1365		'two'
1366		)
1367      assert_equal('onetwo', s)
1368  END
1369  CheckScriptSuccess(lines)
1370enddef
1371
1372def Test_expr7_negate()
1373  assert_equal(-99, -99)
1374  assert_equal(99, --99)
1375  let nr = 88
1376  assert_equal(-88, -nr)
1377  assert_equal(88, --nr)
1378enddef
1379
1380def Echo(arg: any): string
1381  return arg
1382enddef
1383
1384def s:EchoArg(arg: any): string
1385  return arg
1386enddef
1387
1388def Test_expr7_call()
1389  assert_equal('yes', 'yes'->Echo())
1390  assert_equal('yes', 'yes'->s:EchoArg())
1391  assert_equal(1, !range(5)->empty())
1392  assert_equal([0, 1, 2], --3->range())
1393
1394  call CheckDefFailure(["let x = 'yes'->Echo"], 'E107:')
1395enddef
1396
1397
1398def Test_expr7_not()
1399  assert_equal(true, !'')
1400  assert_equal(true, ![])
1401  assert_equal(false, !'asdf')
1402  assert_equal(false, ![2])
1403  assert_equal(true, !!'asdf')
1404  assert_equal(true, !![2])
1405
1406  assert_equal(true, !test_null_partial())
1407  assert_equal(false, !{-> 'yes'})
1408
1409  assert_equal(true, !test_null_dict())
1410  assert_equal(true, !{})
1411  assert_equal(false, !{'yes': 'no'})
1412
1413  if has('channel')
1414    assert_equal(true, !test_null_job())
1415    assert_equal(true, !test_null_channel())
1416  endif
1417
1418  assert_equal(true, !test_null_blob())
1419  assert_equal(true, !0z)
1420  assert_equal(false, !0z01)
1421
1422  assert_equal(true, !test_void())
1423  assert_equal(true, !test_unknown())
1424enddef
1425
1426func Test_expr7_fails()
1427  call CheckDefFailure(["let x = (12"], "E110:")
1428
1429  call CheckDefFailure(["let x = -'xx'"], "E1030:")
1430  call CheckDefFailure(["let x = +'xx'"], "E1030:")
1431  call CheckDefFailure(["let x = -0z12"], "E974:")
1432  call CheckDefExecFailure(["let x = -[8]"], "E39:")
1433  call CheckDefExecFailure(["let x = -{'a': 1}"], "E39:")
1434
1435  call CheckDefFailure(["let x = @"], "E1002:")
1436  call CheckDefFailure(["let x = @<"], "E354:")
1437
1438  call CheckDefFailure(["let x = [1, 2"], "E697:")
1439  call CheckDefFailure(["let x = [notfound]"], "E1001:")
1440
1441  call CheckDefFailure(["let x = { -> 123) }"], "E451:")
1442  call CheckDefFailure(["let x = 123->{x -> x + 5) }"], "E451:")
1443
1444  call CheckDefFailure(["let x = &notexist"], 'E113:')
1445  call CheckDefFailure(["&grepprg = [343]"], 'E1013:')
1446
1447  call CheckDefExecFailure(["echo s:doesnt_exist"], 'E121:')
1448  call CheckDefExecFailure(["echo g:doesnt_exist"], 'E121:')
1449
1450  call CheckDefFailure(["echo a:somevar"], 'E1075:')
1451  call CheckDefFailure(["echo l:somevar"], 'E1075:')
1452  call CheckDefFailure(["echo x:somevar"], 'E1075:')
1453
1454  call CheckDefExecFailure(["let x = +g:astring"], 'E1030:')
1455  call CheckDefExecFailure(["let x = +g:ablob"], 'E974:')
1456  call CheckDefExecFailure(["let x = +g:alist"], 'E745:')
1457  call CheckDefExecFailure(["let x = +g:adict"], 'E728:')
1458
1459  call CheckDefFailure(["let x = ''", "let y = x.memb"], 'E715:')
1460
1461  call CheckDefExecFailure(["[1, 2->len()"], 'E697:')
1462  call CheckDefExecFailure(["#{a: 1->len()"], 'E488:')
1463  call CheckDefExecFailure(["{'a': 1->len()"], 'E723:')
1464endfunc
1465
1466let g:Funcrefs = [function('add')]
1467
1468func CallMe(arg)
1469  return a:arg
1470endfunc
1471
1472func CallMe2(one, two)
1473  return a:one .. a:two
1474endfunc
1475
1476def Test_expr7_trailing()
1477  " user function call
1478  assert_equal(123, g:CallMe(123))
1479  assert_equal(123, g:CallMe(  123))
1480  assert_equal(123, g:CallMe(123  ))
1481  assert_equal('yesno', g:CallMe2('yes', 'no'))
1482  assert_equal('yesno', g:CallMe2( 'yes', 'no' ))
1483  assert_equal('nothing', g:CallMe('nothing'))
1484
1485  " partial call
1486  let Part = function('g:CallMe')
1487  assert_equal('yes', Part('yes'))
1488
1489  " funcref call, using list index
1490  let l = []
1491  g:Funcrefs[0](l, 2)
1492  assert_equal([2], l)
1493
1494  " method call
1495  l = [2, 5, 6]
1496  l->map({k, v -> k + v})
1497  assert_equal([2, 6, 8], l)
1498
1499  " lambda method call
1500  l = [2, 5]
1501  l->{l -> add(l, 8)}()
1502  assert_equal([2, 5, 8], l)
1503
1504  " dict member
1505  let d = #{key: 123}
1506  assert_equal(123, d.key)
1507enddef
1508
1509def Test_expr7_subscript_linebreak()
1510  let range = range(
1511  		3)
1512  let l = range->
1513  	map('string(v:key)')
1514  assert_equal(['0', '1', '2'], l)
1515
1516  l = range
1517  	->map('string(v:key)')
1518  assert_equal(['0', '1', '2'], l)
1519
1520  l = range # comment
1521  	->map('string(v:key)')
1522  assert_equal(['0', '1', '2'], l)
1523
1524  l = range
1525
1526  	->map('string(v:key)')
1527  assert_equal(['0', '1', '2'], l)
1528
1529  l = range
1530	# comment
1531  	->map('string(v:key)')
1532  assert_equal(['0', '1', '2'], l)
1533
1534  assert_equal('1', l[
1535	1])
1536
1537  let d = #{one: 33}
1538  assert_equal(33, d.
1539	one)
1540enddef
1541
1542def Test_expr7_method_call()
1543  new
1544  setline(1, ['first', 'last'])
1545  eval 'second'->append(1)
1546  assert_equal(['first', 'second', 'last'], getline(1, '$'))
1547  bwipe!
1548
1549  let bufnr = bufnr()
1550  let loclist = [#{bufnr: bufnr, lnum: 42, col: 17, text: 'wrong'}]
1551  loclist->setloclist(0)
1552  assert_equal([#{bufnr: bufnr,
1553  		lnum: 42,
1554		col: 17,
1555		text: 'wrong',
1556		pattern: '',
1557		valid: 1,
1558		vcol: 0,
1559		nr: 0,
1560		type: '',
1561		module: ''}
1562		], getloclist(0))
1563enddef
1564
1565func Test_expr7_trailing_fails()
1566  call CheckDefFailure(['let l = [2]', 'l->{l -> add(l, 8)}'], 'E107')
1567  call CheckDefFailure(['let l = [2]', 'l->{l -> add(l, 8)} ()'], 'E274')
1568endfunc
1569
1570func Test_expr_fails()
1571  call CheckDefFailure(["let x = '1'is2"], 'E488:')
1572  call CheckDefFailure(["let x = '1'isnot2"], 'E488:')
1573
1574  call CheckDefFailure(["CallMe ('yes')"], 'E476:')
1575  call CheckDefFailure(["CallMe2('yes','no')"], 'E1069:')
1576  call CheckDefFailure(["CallMe2('yes' , 'no')"], 'E1068:')
1577
1578  call CheckDefFailure(["v:nosuch += 3"], 'E1001:')
1579  call CheckDefFailure(["let v:statusmsg = ''"], 'E1016: Cannot declare a v: variable:')
1580  call CheckDefFailure(["let asdf = v:nosuch"], 'E1001:')
1581
1582  call CheckDefFailure(["echo len('asdf'"], 'E110:')
1583  call CheckDefFailure(["echo Func0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789()"], 'E1011:')
1584  call CheckDefFailure(["echo doesnotexist()"], 'E117:')
1585endfunc
1586