1" Tests for Vim9 script expressions
2
3source check.vim
4source vim9.vim
5
6let g:cond = v:false
7def FuncOne(arg: number): string
8  return 'yes'
9enddef
10def FuncTwo(arg: number): number
11  return 123
12enddef
13
14" test cond ? expr : expr
15def Test_expr1_trinary()
16  var lines =<< trim END
17      assert_equal('one', true ? 'one' : 'two')
18      assert_equal('one', 1 ?
19                            'one' :
20                            'two')
21      if has('float')
22        assert_equal('one', !!0.1 ? 'one' : 'two')
23      endif
24      assert_equal('one', !!'x' ? 'one' : 'two')
25      assert_equal('one', !!'x'
26                            ? 'one'
27                            : 'two')
28      assert_equal('one', !!0z1234 ? 'one' : 'two')
29      assert_equal('one', !![0] ? 'one' : 'two')
30      assert_equal('one', !!{x: 0} ? 'one' : 'two')
31      var name = 1
32      assert_equal('one', name ? 'one' : 'two')
33
34      assert_equal('two', false ? 'one' : 'two')
35      assert_equal('two', 0 ? 'one' : 'two')
36      if has('float')
37        assert_equal('two', !!0.0 ? 'one' : 'two')
38      endif
39      assert_equal('two', !!'' ? 'one' : 'two')
40      assert_equal('two', !!0z ? 'one' : 'two')
41      assert_equal('two', !![] ? 'one' : 'two')
42      assert_equal('two', !!{} ? 'one' : 'two')
43      name = 0
44      assert_equal('two', name ? 'one' : 'two')
45
46      echo ['a'] + (1 ? ['b'] : ['c']
47                )
48      echo ['a'] + (1 ? ['b'] : ['c'] # comment
49                )
50
51      # with constant condition expression is not evaluated
52      assert_equal('one', 1 ? 'one' : xxx)
53
54      var Some: func = function('len')
55      var Other: func = function('winnr')
56      var Res: func = g:atrue ? Some : Other
57      assert_equal(function('len'), Res)
58
59      var RetOne: func(string): number = function('len')
60      var RetTwo: func(string): number = function('winnr')
61      var RetThat: func = g:atrue ? RetOne : RetTwo
62      assert_equal(function('len'), RetThat)
63
64      var X = FuncOne
65      var Y = FuncTwo
66      var Z = g:cond ? FuncOne : FuncTwo
67      assert_equal(123, Z(3))
68  END
69  CheckDefAndScriptSuccess(lines)
70enddef
71
72def Test_expr1_trinary_vimscript()
73  # check line continuation
74  var lines =<< trim END
75      vim9script
76      var name = 1
77      		? 'yes'
78		: 'no'
79      assert_equal('yes', name)
80  END
81  CheckScriptSuccess(lines)
82
83  lines =<< trim END
84      vim9script
85      var name = v:false
86      		? 'yes'
87		: 'no'
88      assert_equal('no', name)
89  END
90  CheckScriptSuccess(lines)
91
92  lines =<< trim END
93      vim9script
94      var name = v:false ?
95      		'yes' :
96		'no'
97      assert_equal('no', name)
98  END
99  CheckScriptSuccess(lines)
100
101  lines =<< trim END
102      vim9script
103      var name = v:false ?  # comment
104      		'yes' :
105                # comment
106		'no' # comment
107      assert_equal('no', name)
108  END
109  CheckScriptSuccess(lines)
110
111  # check white space
112  lines =<< trim END
113      vim9script
114      var name = v:true?1:2
115  END
116  CheckScriptFailure(lines, 'E1004: White space required before and after ''?'' at "?1:2"', 2)
117  lines =<< trim END
118      vim9script
119      var name = v:true? 1 : 2
120  END
121  CheckScriptFailure(lines, 'E1004:', 2)
122  lines =<< trim END
123      vim9script
124      var name = v:true ?1 : 2
125  END
126  CheckScriptFailure(lines, 'E1004:', 2)
127  lines =<< trim END
128      vim9script
129      var name = v:true ? 1: 2
130  END
131  CheckScriptFailure(lines, 'E1004: White space required before and after '':'' at ": 2"', 2)
132  lines =<< trim END
133      vim9script
134      var name = v:true ? 1 :2
135  END
136  CheckScriptFailure(lines, 'E1004:', 2)
137
138  lines =<< trim END
139      vim9script
140      var name = 'x' ? 1 : 2
141  END
142  CheckScriptFailure(lines, 'E1135:', 2)
143
144  lines =<< trim END
145      vim9script
146      var name = [] ? 1 : 2
147  END
148  CheckScriptFailure(lines, 'E745:', 2)
149
150  lines =<< trim END
151      vim9script
152      var name = {} ? 1 : 2
153  END
154  CheckScriptFailure(lines, 'E728:', 2)
155
156  # check after failure eval_flags is reset
157  lines =<< trim END
158      vim9script
159      try
160        eval('0 ? 1: 2')
161      catch
162      endtry
163      assert_equal(v:true, eval(string(v:true)))
164  END
165  CheckScriptSuccess(lines)
166
167  lines =<< trim END
168      vim9script
169      try
170        eval('0 ? 1 :2')
171      catch
172      endtry
173      assert_equal(v:true, eval(string(v:true)))
174  END
175  CheckScriptSuccess(lines)
176enddef
177
178func Test_expr1_trinary_fails()
179  call CheckDefFailure(["var x = 1 ? 'one'"], "Missing ':' after '?'", 1)
180
181  let msg = "White space required before and after '?'"
182  call CheckDefFailure(["var x = 1? 'one' : 'two'"], msg, 1)
183  call CheckDefFailure(["var x = 1 ?'one' : 'two'"], msg, 1)
184  call CheckDefFailure(["var x = 1?'one' : 'two'"], msg, 1)
185
186  let msg = "White space required before and after ':'"
187  call CheckDefFailure(["var x = 1 ? 'one': 'two'"], msg, 1)
188  call CheckDefFailure(["var x = 1 ? 'one' :'two'"], msg, 1)
189  call CheckDefFailure(["var x = 1 ? 'one':'two'"], msg, 1)
190
191  call CheckDefFailure(["var x = 'x' ? 'one' : 'two'"], 'E1135:', 1)
192  call CheckDefFailure(["var x = 0z1234 ? 'one' : 'two'"], 'E974:', 1)
193  call CheckDefExecFailure(["var x = [] ? 'one' : 'two'"], 'E745:', 1)
194  call CheckDefExecFailure(["var x = {} ? 'one' : 'two'"], 'E728:', 1)
195
196  call CheckDefExecFailure(["var x = false ? "], 'E1097:', 3)
197  call CheckDefExecFailure(["var x = false ? 'one' : "], 'E1097:', 3)
198
199  call CheckDefExecFailure(["var x = true ? xxx : 'foo'"], 'E1001:', 1)
200  call CheckDefExecFailure(["var x = false ? 'foo' : xxx"], 'E1001:', 1)
201
202  if has('float')
203    call CheckDefFailure(["var x = 0.1 ? 'one' : 'two'"], 'E805:', 1)
204  endif
205
206  " missing argument detected even when common type is used
207  call CheckDefFailure([
208	\ 'var X = FuncOne',
209	\ 'var Y = FuncTwo',
210	\ 'var Z = g:cond ? FuncOne : FuncTwo',
211	\ 'Z()'], 'E119:', 4)
212endfunc
213
214def Test_expr1_falsy()
215  var lines =<< trim END
216      assert_equal(v:true, v:true ?? 456)
217      assert_equal(123, 123 ?? 456)
218      assert_equal('yes', 'yes' ?? 456)
219      assert_equal([1], [1] ?? 456)
220      assert_equal({one: 1}, {one: 1} ?? 456)
221      if has('float')
222        assert_equal(0.1, 0.1 ?? 456)
223      endif
224
225      assert_equal(456, v:false ?? 456)
226      assert_equal(456, 0 ?? 456)
227      assert_equal(456, '' ?? 456)
228      assert_equal(456, [] ?? 456)
229      assert_equal(456, {} ?? 456)
230      if has('float')
231        assert_equal(456, 0.0 ?? 456)
232      endif
233  END
234  CheckDefAndScriptSuccess(lines)
235
236  var msg = "White space required before and after '??'"
237  call CheckDefFailure(["var x = 1?? 'one' : 'two'"], msg, 1)
238  call CheckDefFailure(["var x = 1 ??'one' : 'two'"], msg, 1)
239  call CheckDefFailure(["var x = 1??'one' : 'two'"], msg, 1)
240enddef
241
242def Record(val: any): any
243  g:vals->add(val)
244  return val
245enddef
246
247" test ||
248def Test_expr2()
249  var lines =<< trim END
250      assert_equal(true, 1 || 0)
251      assert_equal(true, 0 ||
252                        0 ||
253                        1)
254      assert_equal(true, 0 ||
255			0 ||
256			!!7)
257      assert_equal(false, 0 || 0)
258      assert_equal(false, 0
259                        || 0)
260      assert_equal(false, 0 || false)
261
262      g:vals = []
263      assert_equal(true, Record(1) || Record(3))
264      assert_equal([1], g:vals)
265
266      g:vals = []
267      assert_equal(true, Record(0) || Record(1))
268      assert_equal([0, 1], g:vals)
269
270      g:vals = []
271      assert_equal(true, Record(0) || Record(true))
272      assert_equal([0, true], g:vals)
273
274      g:vals = []
275      assert_equal(true, Record(0)
276                          || Record(1)
277                          || Record(0))
278      assert_equal([0, 1], g:vals)
279
280      g:vals = []
281      assert_equal(true, Record(0)
282			  || Record(true)
283			  || Record(0))
284      assert_equal([0, true], g:vals)
285
286      g:vals = []
287      assert_equal(true, Record(true) || Record(false))
288      assert_equal([true], g:vals)
289
290      g:vals = []
291      assert_equal(false, Record(0) || Record(false) || Record(0))
292      assert_equal([0, false, 0], g:vals)
293  END
294  CheckDefAndScriptSuccess(lines)
295enddef
296
297def Test_expr2_vimscript()
298  # check line continuation
299  var lines =<< trim END
300      vim9script
301      var name = 0
302      		|| 1
303      assert_equal(true, name)
304  END
305  CheckScriptSuccess(lines)
306
307  lines =<< trim END
308      vim9script
309      var name = v:false
310      		|| v:true
311      		|| v:false
312      assert_equal(v:true, name)
313  END
314  CheckScriptSuccess(lines)
315
316  lines =<< trim END
317      vim9script
318      var name = v:false ||
319      		v:true ||
320		v:false
321      assert_equal(v:true, name)
322  END
323  CheckScriptSuccess(lines)
324
325  lines =<< trim END
326      vim9script
327      var name = v:false || # comment
328                # comment
329      		v:true ||
330                # comment
331		v:false # comment
332      assert_equal(v:true, name)
333  END
334  CheckScriptSuccess(lines)
335
336  # check white space
337  lines =<< trim END
338      vim9script
339      var name = v:true||v:true
340  END
341  CheckScriptFailure(lines, 'E1004: White space required before and after ''||'' at "||v:true"', 2)
342  lines =<< trim END
343      vim9script
344      var name = v:true ||v:true
345  END
346  CheckScriptFailure(lines, 'E1004:', 2)
347  lines =<< trim END
348      vim9script
349      var name = v:true|| v:true
350  END
351  CheckScriptFailure(lines, 'E1004:', 2)
352enddef
353
354def Test_expr2_fails()
355  var msg = "White space required before and after '||'"
356  call CheckDefFailure(["var x = 1||2"], msg, 1)
357  call CheckDefFailure(["var x = 1 ||2"], msg, 1)
358  call CheckDefFailure(["var x = 1|| 2"], msg, 1)
359
360  call CheckDefFailure(["var x = false || "], 'E1097:', 3)
361
362  call CheckDefFailure(["var x = 1 || xxx"], 'E1001:', 1)
363  call CheckDefFailure(["var x = [] || false"], 'E1012:', 1)
364  call CheckDefFailure(["if 'yes' || 0", 'echo 0', 'endif'], 'E1012: Type mismatch; expected bool but got string', 1)
365
366  # TODO: should fail at compile time
367  call CheckDefExecFailure(["var x = 3 || 7"], 'E1023:', 1)
368  call CheckScriptFailure(["vim9script", "var x = 3 || 7"], 'E1023:', 2)
369  call CheckScriptFailure(["vim9script", "var x = [] || false"], 'E745:', 2)
370enddef
371
372" test &&
373def Test_expr3()
374  var lines =<< trim END
375      assert_equal(false, 1 && 0)
376      assert_equal(false, 0 &&
377                    0 &&
378                    1)
379      assert_equal(true, 1
380                        && true
381                        && 1)
382      assert_equal(false, 0 && 0)
383      assert_equal(false, 0 && false)
384      assert_equal(true, 1 && true)
385
386      g:vals = []
387      assert_equal(true, Record(true) && Record(1))
388      assert_equal([true, 1], g:vals)
389
390      g:vals = []
391      assert_equal(true, Record(1) && Record(true))
392      assert_equal([1, true], g:vals)
393
394      g:vals = []
395      assert_equal(false, Record(0) && Record(1))
396      assert_equal([0], g:vals)
397
398      g:vals = []
399      assert_equal(false, Record(0) && Record(1) && Record(0))
400      assert_equal([0], g:vals)
401
402      g:vals = []
403      assert_equal(false, Record(0) && Record(4) && Record(0))
404      assert_equal([0], g:vals)
405
406      g:vals = []
407      assert_equal(false, Record(1) && Record(true) && Record(0))
408      assert_equal([1, true, 0], g:vals)
409  END
410  CheckDefAndScriptSuccess(lines)
411enddef
412
413def Test_expr3_vimscript()
414  # check line continuation
415  var lines =<< trim END
416      vim9script
417      var name = 0
418      		&& 1
419      assert_equal(false, name)
420  END
421  CheckScriptSuccess(lines)
422
423  lines =<< trim END
424      vim9script
425      var name = v:true
426      		&& v:true
427      		&& v:true
428      assert_equal(v:true, name)
429  END
430  CheckScriptSuccess(lines)
431
432  lines =<< trim END
433      vim9script
434      var name = v:true &&
435      		v:true &&
436      		v:true
437      assert_equal(v:true, name)
438  END
439  CheckScriptSuccess(lines)
440
441  lines =<< trim END
442      vim9script
443      var name = v:true &&  # comment
444                # comment
445      		v:true &&
446                # comment
447      		v:true
448      assert_equal(v:true, name)
449  END
450  CheckScriptSuccess(lines)
451
452  # check white space
453  lines =<< trim END
454      vim9script
455      var name = v:true&&v:true
456  END
457  CheckScriptFailure(lines, 'E1004:', 2)
458  lines =<< trim END
459      vim9script
460      var name = v:true &&v:true
461  END
462  CheckScriptFailure(lines, 'E1004: White space required before and after ''&&'' at "&&v:true"', 2)
463  lines =<< trim END
464      vim9script
465      var name = v:true&& v:true
466  END
467  CheckScriptFailure(lines, 'E1004:', 2)
468enddef
469
470func Test_expr3_fails()
471  let msg = "White space required before and after '&&'"
472  call CheckDefFailure(["var x = 1&&2"], msg, 1)
473  call CheckDefFailure(["var x = 1 &&2"], msg, 1)
474  call CheckDefFailure(["var x = 1&& 2"], msg, 1)
475
476  call CheckDefFailure(["if 'yes' && 0", 'echo 0', 'endif'], 'E1012: Type mismatch; expected bool but got string', 1)
477
478  call CheckDefExecFailure(['assert_equal(false, Record(1) && Record(4) && Record(0))'], 'E1023: Using a Number as a Bool: 4', 1)
479endfunc
480
481" global variables to use for tests with the "any" type
482let atrue = v:true
483let afalse = v:false
484let anone = v:none
485let anull = v:null
486let anint = 10
487let theone = 1
488let thefour = 4
489if has('float')
490  let afloat = 0.1
491endif
492let astring = 'asdf'
493let ablob = 0z01ab
494let alist = [2, 3, 4]
495let adict = #{aaa: 2, bbb: 8}
496
497" test == comperator
498def Test_expr4_equal()
499  var lines =<< trim END
500      var trueVar = true
501      var falseVar = false
502      assert_equal(true, true == true)
503      assert_equal(false, true ==
504                            false)
505      assert_equal(true, true
506                            == trueVar)
507      assert_equal(false, true == falseVar)
508      assert_equal(true, true == g:atrue)
509      assert_equal(false, g:atrue == false)
510
511      assert_equal(true, v:none == v:none)
512      assert_equal(false, v:none == v:null)
513      assert_equal(true, g:anone == v:none)
514      assert_equal(true, null == v:null)
515      assert_equal(true, null == g:anull)
516      assert_equal(false, v:none == g:anull)
517
518      var nr0 = 0
519      var nr61 = 61
520      assert_equal(false, 2 == 0)
521      assert_equal(false, 2 == nr0)
522      assert_equal(true, 61 == 61)
523      assert_equal(true, 61 == nr61)
524      assert_equal(true, g:anint == 10)
525      assert_equal(false, 61 == g:anint)
526
527      if has('float')
528        var ff = 0.3
529        assert_equal(true, ff == 0.3)
530        assert_equal(false, 0.4 == ff)
531        assert_equal(true, 0.1 == g:afloat)
532        assert_equal(false, g:afloat == 0.3)
533
534        ff = 3.0
535        assert_equal(true, ff == 3)
536        assert_equal(true, 3 == ff)
537        ff = 3.1
538        assert_equal(false, ff == 3)
539        assert_equal(false, 3 == ff)
540      endif
541
542      assert_equal(true, 'abc' == 'abc')
543      assert_equal(false, 'xyz' == 'abc')
544      assert_equal(true, g:astring == 'asdf')
545      assert_equal(false, 'xyz' == g:astring)
546
547      assert_equal(false, 'abc' == 'aBc')
548      assert_equal(false, 'abc' ==# 'aBc')
549      assert_equal(true, 'abc' ==? 'aBc')
550
551      assert_equal(false, 'abc' == 'ABC')
552      set ignorecase
553      assert_equal(false, 'abc' == 'ABC')
554      assert_equal(false, 'abc' ==# 'ABC')
555      assert_equal(true, 'abc' ==? 'ABC')
556      set noignorecase
557
558      var bb = 0z3f
559      assert_equal(true, 0z3f == bb)
560      assert_equal(false, bb == 0z4f)
561      assert_equal(true, g:ablob == 0z01ab)
562      assert_equal(false, 0z3f == g:ablob)
563
564      assert_equal(true, [1, 2, 3] == [1, 2, 3])
565      assert_equal(false, [1, 2, 3] == [2, 3, 1])
566      assert_equal(true, [2, 3, 4] == g:alist)
567      assert_equal(false, g:alist == [2, 3, 1])
568      assert_equal(false, [1, 2, 3] == [])
569      assert_equal(false, [1, 2, 3] == ['1', '2', '3'])
570
571      assert_equal(true, {one: 1, two: 2} == {one: 1, two: 2})
572      assert_equal(false, {one: 1, two: 2} == {one: 2, two: 2})
573      assert_equal(false, {one: 1, two: 2} == {two: 2})
574      assert_equal(false, {one: 1, two: 2} == {})
575      assert_equal(true, g:adict == {bbb: 8, aaa: 2})
576      assert_equal(false, {ccc: 9, aaa: 2} == g:adict)
577
578      assert_equal(true, function('g:Test_expr4_equal') == function('g:Test_expr4_equal'))
579      assert_equal(false, function('g:Test_expr4_equal') == function('g:Test_expr4_is'))
580
581      assert_equal(true, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_equal', [123]))
582      assert_equal(false, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_is', [123]))
583      assert_equal(false, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_equal', [999]))
584
585      # TODO: this unexpectedly sometimes fails on Appveyor
586      if !has('win32')
587        var OneFunc: func
588        var TwoFunc: func
589        OneFunc = function('len')
590        TwoFunc = function('len')
591        assert_equal(true, OneFunc('abc') == TwoFunc('123'))
592      endif
593  END
594  CheckDefAndScriptSuccess(lines)
595
596  CheckDefFailure(["var x = 'a' == xxx"], 'E1001:', 1)
597  CheckDefFailure(["var x = 'a' == "], 'E1097:', 3)
598
599  CheckDefExecFailure(['var items: any', 'eval 1', 'eval 2', 'if items == []', 'endif'], 'E691:', 4)
600
601  CheckDefExecFailure(['var x: any = "a"', 'echo x == true'], 'E1072: Cannot compare string with bool', 2)
602  CheckDefExecFailure(["var x: any = true", 'echo x == ""'], 'E1072: Cannot compare bool with string', 2)
603  CheckDefExecFailure(["var x: any = 99", 'echo x == true'], 'E1138', 2)
604  CheckDefExecFailure(["var x: any = 'a'", 'echo x == 99'], 'E1030:', 2)
605
606  for op in ['>', '>=', '<', '<=', '=~', '!~']
607    CheckDefExecFailure([
608        "var a: any = 'a'",
609        'var b: any = true',
610        'echo a ' .. op .. ' b'], 'E1072:', 3)
611  endfor
612enddef
613
614" test != comperator
615def Test_expr4_notequal()
616  var lines =<< trim END
617      var trueVar = true
618      var falseVar = false
619      assert_equal(false, true != true)
620      assert_equal(true, true !=
621                            false)
622      assert_equal(false, true
623                            != trueVar)
624      assert_equal(true, true != falseVar)
625      assert_equal(false, true != g:atrue)
626      assert_equal(true, g:atrue != false)
627
628      assert_equal(false, v:none != v:none)
629      assert_equal(true, v:none != v:null)
630      assert_equal(false, g:anone != v:none)
631      assert_equal(true, v:none != g:anull)
632
633      var nr55 = 55
634      var nr0 = 55
635      assert_equal(true, 2 != 0)
636      assert_equal(true, 2 != nr0)
637      assert_equal(false, 55 != 55)
638      assert_equal(false, 55 != nr55)
639      assert_equal(false, g:anint != 10)
640      assert_equal(true, 61 != g:anint)
641
642      if has('float')
643        var ff = 0.3
644        assert_equal(false, 0.3 != ff)
645        assert_equal(true, 0.4 != ff)
646        assert_equal(false, 0.1 != g:afloat)
647        assert_equal(true, g:afloat != 0.3)
648
649        ff = 3.0
650        assert_equal(false, ff != 3)
651        assert_equal(false, 3 != ff)
652        ff = 3.1
653        assert_equal(true, ff != 3)
654        assert_equal(true, 3 != ff)
655      endif
656
657      assert_equal(false, 'abc' != 'abc')
658      assert_equal(true, 'xyz' != 'abc')
659      assert_equal(false, g:astring != 'asdf')
660      assert_equal(true, 'xyz' != g:astring)
661
662      assert_equal(true, 'abc' != 'ABC')
663      set ignorecase
664      assert_equal(true, 'abc' != 'ABC')
665      assert_equal(true, 'abc' !=# 'ABC')
666      assert_equal(false, 'abc' !=? 'ABC')
667      set noignorecase
668
669      var bb = 0z3f
670      assert_equal(false, 0z3f != bb)
671      assert_equal(true, bb != 0z4f)
672      assert_equal(false, g:ablob != 0z01ab)
673      assert_equal(true, 0z3f != g:ablob)
674
675      assert_equal(false, [1, 2, 3] != [1, 2, 3])
676      assert_equal(true, [1, 2, 3] != [2, 3, 1])
677      assert_equal(false, [2, 3, 4] != g:alist)
678      assert_equal(true, g:alist != [2, 3, 1])
679      assert_equal(true, [1, 2, 3] != [])
680      assert_equal(true, [1, 2, 3] != ['1', '2', '3'])
681
682      assert_equal(false, {one: 1, two: 2} != {one: 1, two: 2})
683      assert_equal(true, {one: 1, two: 2} != {one: 2, two: 2})
684      assert_equal(true, {one: 1, two: 2} != {two: 2})
685      assert_equal(true, {one: 1, two: 2} != {})
686      assert_equal(false, g:adict != {bbb: 8, aaa: 2})
687      assert_equal(true, {ccc: 9, aaa: 2} != g:adict)
688
689      assert_equal(false, function('g:Test_expr4_equal') != function('g:Test_expr4_equal'))
690      assert_equal(true, function('g:Test_expr4_equal') != function('g:Test_expr4_is'))
691
692      assert_equal(false, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_equal', [123]))
693      assert_equal(true, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_is', [123]))
694      assert_equal(true, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_equal', [999]))
695  END
696  CheckDefAndScriptSuccess(lines)
697enddef
698
699" test > comperator
700def Test_expr4_greater()
701  var lines =<< trim END
702      assert_true(2 > 0)
703      assert_true(2 >
704                    1)
705      assert_false(2 > 2)
706      assert_false(2 > 3)
707      var nr2 = 2
708      assert_true(nr2 > 0)
709      assert_true(nr2 >
710                    1)
711      assert_false(nr2 > 2)
712      assert_false(nr2
713                        > 3)
714      if has('float')
715        var ff = 2.0
716        assert_true(ff > 0.0)
717        assert_true(ff > 1.0)
718        assert_false(ff > 2.0)
719        assert_false(ff > 3.0)
720      endif
721  END
722  CheckDefAndScriptSuccess(lines)
723enddef
724
725" test >= comperator
726def Test_expr4_greaterequal()
727  var lines =<< trim END
728      assert_true(2 >= 0)
729      assert_true(2 >=
730                            2)
731      assert_false(2 >= 3)
732      var nr2 = 2
733      assert_true(nr2 >= 0)
734      assert_true(nr2 >= 2)
735      assert_false(nr2 >= 3)
736      if has('float')
737        var ff = 2.0
738        assert_true(ff >= 0.0)
739        assert_true(ff >= 2.0)
740        assert_false(ff >= 3.0)
741      endif
742  END
743  CheckDefAndScriptSuccess(lines)
744enddef
745
746" test < comperator
747def Test_expr4_smaller()
748  var lines =<< trim END
749      assert_false(2 < 0)
750      assert_false(2 <
751                            2)
752      assert_true(2
753                    < 3)
754      var nr2 = 2
755      assert_false(nr2 < 0)
756      assert_false(nr2 < 2)
757      assert_true(nr2 < 3)
758      if has('float')
759        var ff = 2.0
760        assert_false(ff < 0.0)
761        assert_false(ff < 2.0)
762        assert_true(ff < 3.0)
763      endif
764  END
765  CheckDefAndScriptSuccess(lines)
766enddef
767
768" test <= comperator
769def Test_expr4_smallerequal()
770  var lines =<< trim END
771      assert_false(2 <= 0)
772      assert_false(2 <=
773                            1)
774      assert_true(2
775                    <= 2)
776      assert_true(2 <= 3)
777      var nr2 = 2
778      assert_false(nr2 <= 0)
779      assert_false(nr2 <= 1)
780      assert_true(nr2 <= 2)
781      assert_true(nr2 <= 3)
782      if has('float')
783        var ff = 2.0
784        assert_false(ff <= 0.0)
785        assert_false(ff <= 1.0)
786        assert_true(ff <= 2.0)
787        assert_true(ff <= 3.0)
788      endif
789  END
790  CheckDefAndScriptSuccess(lines)
791enddef
792
793" test =~ comperator
794def Test_expr4_match()
795  var lines =<< trim END
796      assert_equal(false, '2' =~ '0')
797      assert_equal(false, ''
798                             =~ '0')
799      assert_equal(true, '2' =~
800                            '[0-9]')
801      set ignorecase
802      assert_equal(false, 'abc' =~ 'ABC')
803      assert_equal(false, 'abc' =~# 'ABC')
804      assert_equal(true, 'abc' =~? 'ABC')
805      set noignorecase
806  END
807  CheckDefAndScriptSuccess(lines)
808enddef
809
810" test !~ comperator
811def Test_expr4_nomatch()
812  var lines =<< trim END
813      assert_equal(true, '2' !~ '0')
814      assert_equal(true, ''
815                            !~ '0')
816      assert_equal(false, '2' !~
817                            '[0-9]')
818  END
819  CheckDefAndScriptSuccess(lines)
820enddef
821
822" test is comperator
823def Test_expr4_is()
824  var lines =<< trim END
825      var mylist = [2]
826      assert_false(mylist is [2])
827      var other = mylist
828      assert_true(mylist is
829                    other)
830
831      var myblob = 0z1234
832      assert_false(myblob
833                            is 0z1234)
834      var otherblob = myblob
835      assert_true(myblob is otherblob)
836  END
837  CheckDefAndScriptSuccess(lines)
838enddef
839
840" test isnot comperator
841def Test_expr4_isnot()
842  var lines =<< trim END
843      var mylist = [2]
844      assert_true('2' isnot '0')
845      assert_true(mylist isnot [2])
846      var other = mylist
847      assert_false(mylist isnot
848                            other)
849
850      var myblob = 0z1234
851      assert_true(myblob
852                    isnot 0z1234)
853      var otherblob = myblob
854      assert_false(myblob isnot otherblob)
855  END
856  CheckDefAndScriptSuccess(lines)
857enddef
858
859def RetVoid()
860  var x = 1
861enddef
862
863def Test_expr4_vim9script()
864  # check line continuation
865  var lines =<< trim END
866      vim9script
867      var name = 0
868      		< 1
869      assert_equal(true, name)
870  END
871  CheckScriptSuccess(lines)
872
873  lines =<< trim END
874      vim9script
875      var name = 123
876                # comment
877      		!= 123
878      assert_equal(false, name)
879  END
880  CheckScriptSuccess(lines)
881
882  lines =<< trim END
883      vim9script
884      var name = 123 ==
885      			123
886      assert_equal(true, name)
887  END
888  CheckScriptSuccess(lines)
889
890  lines =<< trim END
891      vim9script
892      var list = [1, 2, 3]
893      var name = list
894      		is list
895      assert_equal(true, name)
896  END
897  CheckScriptSuccess(lines)
898
899  lines =<< trim END
900      vim9script
901      var list = [1, 2, 3]
902      var name = list # comment
903                 # comment
904      		is list
905      assert_equal(true, name)
906  END
907  CheckScriptSuccess(lines)
908
909  lines =<< trim END
910      vim9script
911      var myblob = 0z1234
912      var name = myblob
913      		isnot 0z11
914      assert_equal(true, name)
915  END
916  CheckScriptSuccess(lines)
917
918  # spot check mismatching types
919  lines =<< trim END
920      vim9script
921      echo '' == 0
922  END
923  CheckScriptFailure(lines, 'E1072:', 2)
924
925  lines =<< trim END
926      vim9script
927      echo v:true > v:false
928  END
929  CheckScriptFailure(lines, 'Cannot compare bool with bool', 2)
930
931  lines =<< trim END
932      vim9script
933      echo 123 is 123
934  END
935  CheckScriptFailure(lines, 'Cannot use "is" with number', 2)
936
937  # check missing white space
938  lines =<< trim END
939    vim9script
940    echo 2>3
941  END
942  CheckScriptFailure(lines, 'E1004: White space required before and after ''>'' at ">3"', 2)
943  lines =<< trim END
944    vim9script
945    echo 2 >3
946  END
947  CheckScriptFailure(lines, 'E1004:', 2)
948  lines =<< trim END
949    vim9script
950    echo 2> 3
951  END
952  CheckScriptFailure(lines, 'E1004:', 2)
953  lines =<< trim END
954    vim9script
955    echo 2!=3
956  END
957  CheckScriptFailure(lines, 'E1004:', 2)
958  lines =<< trim END
959    vim9script
960    echo 2 !=3
961  END
962  CheckScriptFailure(lines, 'E1004: White space required before and after ''!'' at "!=3"', 2)
963  lines =<< trim END
964    vim9script
965    echo 2!= 3
966  END
967  CheckScriptFailure(lines, 'E1004:', 2)
968
969  lines =<< trim END
970    vim9script
971    echo len('xxx') == 3
972  END
973  CheckScriptSuccess(lines)
974
975  lines =<< trim END
976    vim9script
977    var line = 'abc'
978    echo line[1] =~ '\w'
979  END
980  CheckScriptSuccess(lines)
981enddef
982
983func Test_expr4_fails()
984  let msg = "White space required before and after '>'"
985  call CheckDefFailure(["var x = 1>2"], msg, 1)
986  call CheckDefFailure(["var x = 1 >2"], msg, 1)
987  call CheckDefFailure(["var x = 1> 2"], msg, 1)
988
989  let msg = "White space required before and after '=='"
990  call CheckDefFailure(["var x = 1==2"], msg, 1)
991  call CheckDefFailure(["var x = 1 ==2"], msg, 1)
992  call CheckDefFailure(["var x = 1== 2"], msg, 1)
993
994  let msg = "White space required before and after 'is'"
995  call CheckDefFailure(["var x = '1'is'2'"], msg, 1)
996  call CheckDefFailure(["var x = '1' is'2'"], msg, 1)
997  call CheckDefFailure(["var x = '1'is '2'"], msg, 1)
998
999  let msg = "White space required before and after 'isnot'"
1000  call CheckDefFailure(["var x = '1'isnot'2'"], msg, 1)
1001  call CheckDefFailure(["var x = '1' isnot'2'"], msg, 1)
1002  call CheckDefFailure(["var x = '1'isnot '2'"], msg, 1)
1003
1004  call CheckDefFailure(["var x = 1 is# 2"], 'E15:', 1)
1005  call CheckDefFailure(["var x = 1 is? 2"], 'E15:', 1)
1006  call CheckDefFailure(["var x = 1 isnot# 2"], 'E15:', 1)
1007  call CheckDefFailure(["var x = 1 isnot? 2"], 'E15:', 1)
1008
1009  call CheckDefFailure(["var x = 1 == '2'"], 'Cannot compare number with string', 1)
1010  call CheckDefFailure(["var x = '1' == 2"], 'Cannot compare string with number', 1)
1011  call CheckDefFailure(["var x = 1 == RetVoid()"], 'Cannot compare number with void', 1)
1012  call CheckDefFailure(["var x = RetVoid() == 1"], 'Cannot compare void with number', 1)
1013
1014  call CheckDefFailure(["var x = true > false"], 'Cannot compare bool with bool', 1)
1015  call CheckDefFailure(["var x = true >= false"], 'Cannot compare bool with bool', 1)
1016  call CheckDefFailure(["var x = true < false"], 'Cannot compare bool with bool', 1)
1017  call CheckDefFailure(["var x = true <= false"], 'Cannot compare bool with bool', 1)
1018  call CheckDefFailure(["var x = true =~ false"], 'Cannot compare bool with bool', 1)
1019  call CheckDefFailure(["var x = true !~ false"], 'Cannot compare bool with bool', 1)
1020  call CheckDefFailure(["var x = true is false"], 'Cannot use "is" with bool', 1)
1021  call CheckDefFailure(["var x = true isnot false"], 'Cannot use "isnot" with bool', 1)
1022
1023  call CheckDefFailure(["var x = v:none is v:null"], 'Cannot use "is" with special', 1)
1024  call CheckDefFailure(["var x = v:none isnot v:null"], 'Cannot use "isnot" with special', 1)
1025  call CheckDefFailure(["var x = 123 is 123"], 'Cannot use "is" with number', 1)
1026  call CheckDefFailure(["var x = 123 isnot 123"], 'Cannot use "isnot" with number', 1)
1027  if has('float')
1028    call CheckDefFailure(["var x = 1.3 is 1.3"], 'Cannot use "is" with float', 1)
1029    call CheckDefFailure(["var x = 1.3 isnot 1.3"], 'Cannot use "isnot" with float', 1)
1030  endif
1031
1032  call CheckDefFailure(["var x = 0za1 > 0z34"], 'Cannot compare blob with blob', 1)
1033  call CheckDefFailure(["var x = 0za1 >= 0z34"], 'Cannot compare blob with blob', 1)
1034  call CheckDefFailure(["var x = 0za1 < 0z34"], 'Cannot compare blob with blob', 1)
1035  call CheckDefFailure(["var x = 0za1 <= 0z34"], 'Cannot compare blob with blob', 1)
1036  call CheckDefFailure(["var x = 0za1 =~ 0z34"], 'Cannot compare blob with blob', 1)
1037  call CheckDefFailure(["var x = 0za1 !~ 0z34"], 'Cannot compare blob with blob', 1)
1038
1039  call CheckDefFailure(["var x = [13] > [88]"], 'Cannot compare list with list', 1)
1040  call CheckDefFailure(["var x = [13] >= [88]"], 'Cannot compare list with list', 1)
1041  call CheckDefFailure(["var x = [13] < [88]"], 'Cannot compare list with list', 1)
1042  call CheckDefFailure(["var x = [13] <= [88]"], 'Cannot compare list with list', 1)
1043  call CheckDefFailure(["var x = [13] =~ [88]"], 'Cannot compare list with list', 1)
1044  call CheckDefFailure(["var x = [13] !~ [88]"], 'Cannot compare list with list', 1)
1045
1046  call CheckDefFailure(['var j: job', 'var chan: channel', 'var r = j == chan'], 'Cannot compare job with channel', 3)
1047  call CheckDefFailure(['var j: job', 'var x: list<any>', 'var r = j == x'], 'Cannot compare job with list', 3)
1048  call CheckDefFailure(['var j: job', 'var Xx: func', 'var r = j == Xx'], 'Cannot compare job with func', 3)
1049  call CheckDefFailure(['var j: job', 'var Xx: func', 'var r = j == Xx'], 'Cannot compare job with func', 3)
1050endfunc
1051
1052" test addition, subtraction, concatenation
1053def Test_expr5()
1054  var lines =<< trim END
1055      assert_equal(66, 60 + 6)
1056      assert_equal(70, 60 +
1057                            g:anint)
1058      assert_equal(9, g:thefour
1059                            + 5)
1060      assert_equal(14, g:thefour + g:anint)
1061      assert_equal([1, 2, 3, 4], [1] + g:alist)
1062
1063      assert_equal(54, 60 - 6)
1064      assert_equal(50, 60 -
1065                        g:anint)
1066      assert_equal(-1, g:thefour
1067                            - 5)
1068      assert_equal(-6, g:thefour - g:anint)
1069
1070      assert_equal('hello', 'hel' .. 'lo')
1071      assert_equal('hello 123', 'hello ' ..
1072                                            123)
1073      assert_equal('hello 123', 'hello '
1074                                    ..  123)
1075      assert_equal('123 hello', 123 .. ' hello')
1076      assert_equal('123456', 123 .. 456)
1077
1078      assert_equal('atrue', 'a' .. true)
1079      assert_equal('afalse', 'a' .. false)
1080      assert_equal('anull', 'a' .. v:null)
1081      assert_equal('av:none', 'a' .. v:none)
1082      if has('float')
1083        assert_equal('a0.123', 'a' .. 0.123)
1084      endif
1085
1086      assert_equal(3, 1 + [2, 3, 4][0])
1087      assert_equal(5, 2 + {key: 3}['key'])
1088
1089      set digraph
1090      assert_equal('val: true', 'val: ' .. &digraph)
1091      set nodigraph
1092      assert_equal('val: false', 'val: ' .. &digraph)
1093
1094      assert_equal([1, 2, 3, 4], [1, 2] + [3, 4])
1095      assert_equal(0z11223344, 0z1122 + 0z3344)
1096      assert_equal(0z112201ab, 0z1122
1097                                    + g:ablob)
1098      assert_equal(0z01ab3344, g:ablob + 0z3344)
1099      assert_equal(0z01ab01ab, g:ablob + g:ablob)
1100
1101      # concatenate non-constant to constant
1102      var save_path = &path
1103      &path = 'b'
1104      assert_equal('ab', 'a' .. &path)
1105      &path = save_path
1106
1107      @b = 'b'
1108      assert_equal('ab', 'a' .. @b)
1109
1110      $ENVVAR = 'env'
1111      assert_equal('aenv', 'a' .. $ENVVAR)
1112
1113      assert_equal('val', '' .. {key: 'val'}['key'])
1114  END
1115  CheckDefAndScriptSuccess(lines)
1116enddef
1117
1118def Test_expr5_vim9script()
1119  # check line continuation
1120  var lines =<< trim END
1121      vim9script
1122      var name = 11
1123      		+ 77
1124		- 22
1125      assert_equal(66, name)
1126  END
1127  CheckScriptSuccess(lines)
1128
1129  lines =<< trim END
1130      vim9script
1131      var name = 11 +
1132		  77 -
1133		  22
1134      assert_equal(66, name)
1135  END
1136  CheckScriptSuccess(lines)
1137
1138  lines =<< trim END
1139      vim9script
1140      var name = 11 +  # comment
1141		  77 -
1142                  # comment
1143		  22
1144      assert_equal(66, name)
1145  END
1146  CheckScriptSuccess(lines)
1147
1148  lines =<< trim END
1149      vim9script
1150      var name = 'one'
1151      		.. 'two'
1152      assert_equal('onetwo', name)
1153  END
1154  CheckScriptSuccess(lines)
1155
1156  lines =<< trim END
1157      vim9script
1158      echo 'abc' is# 'abc'
1159  END
1160  CheckScriptFailure(lines, 'E15:', 2)
1161
1162  lines =<< trim END
1163      vim9script
1164      echo {} - 22
1165  END
1166  CheckScriptFailure(lines, 'E728:', 2)
1167
1168  lines =<< trim END
1169      vim9script
1170      echo [] - 33
1171  END
1172  CheckScriptFailure(lines, 'E745:', 2)
1173
1174  lines =<< trim END
1175      vim9script
1176      echo 0z1234 - 44
1177  END
1178  CheckScriptFailure(lines, 'E974:', 2)
1179
1180  lines =<< trim END
1181      vim9script
1182      echo 'abc' is? 'abc'
1183  END
1184  CheckScriptFailure(lines, 'E15:', 2)
1185
1186  lines =<< trim END
1187      vim9script
1188      echo 'abc' isnot# 'abc'
1189  END
1190  CheckScriptFailure(lines, 'E15:', 2)
1191
1192  lines =<< trim END
1193      vim9script
1194      echo 'abc' isnot? 'abc'
1195  END
1196  CheckScriptFailure(lines, 'E15:', 2)
1197
1198  # check white space
1199  lines =<< trim END
1200      vim9script
1201      echo 5+6
1202  END
1203  CheckScriptFailure(lines, 'E1004:', 2)
1204  lines =<< trim END
1205      vim9script
1206      echo 5 +6
1207  END
1208  CheckScriptFailure(lines, 'E1004:', 2)
1209  lines =<< trim END
1210      vim9script
1211      echo 5+ 6
1212  END
1213  CheckScriptFailure(lines, 'E1004:', 2)
1214
1215  lines =<< trim END
1216      vim9script
1217      echo 'a'..'b'
1218  END
1219  CheckScriptFailure(lines, 'E1004: White space required before and after ''..'' at "..''b''"', 2)
1220  lines =<< trim END
1221      vim9script
1222      echo 'a' ..'b'
1223  END
1224  CheckScriptFailure(lines, 'E1004:', 2)
1225  lines =<< trim END
1226      vim9script
1227      echo 'a'.. 'b'
1228  END
1229  CheckScriptFailure(lines, 'E1004:', 2)
1230
1231  # check invalid string concatenation
1232  lines =<< trim END
1233      vim9script
1234      echo 'a' .. [1]
1235  END
1236  CheckScriptFailure(lines, 'E730:', 2)
1237  lines =<< trim END
1238      vim9script
1239      echo 'a' .. {a: 1}
1240  END
1241  CheckScriptFailure(lines, 'E731:', 2)
1242  lines =<< trim END
1243      vim9script
1244      echo 'a' .. test_void()
1245  END
1246  CheckScriptFailure(lines, 'E908:', 2)
1247  lines =<< trim END
1248      vim9script
1249      echo 'a' .. 0z33
1250  END
1251  CheckScriptFailure(lines, 'E976:', 2)
1252  lines =<< trim END
1253      vim9script
1254      echo 'a' .. function('len')
1255  END
1256  CheckScriptFailure(lines, 'E729:', 2)
1257enddef
1258
1259def Test_expr5_vim9script_channel()
1260  if !has('channel')
1261    MissingFeature 'float'
1262  else
1263    var lines =<< trim END
1264        vim9script
1265        echo 'a' .. test_null_job()
1266    END
1267    CheckScriptFailure(lines, 'E908:', 2)
1268    lines =<< trim END
1269        vim9script
1270        echo 'a' .. test_null_channel()
1271    END
1272    CheckScriptFailure(lines, 'E908:', 2)
1273  endif
1274enddef
1275
1276def Test_expr5_float()
1277  if !has('float')
1278    MissingFeature 'float'
1279  else
1280    var lines =<< trim END
1281        assert_equal(66.0, 60.0 + 6.0)
1282        assert_equal(66.0, 60.0 + 6)
1283        assert_equal(66.0, 60 +
1284                             6.0)
1285        assert_equal(5.1, g:afloat
1286                            + 5)
1287        assert_equal(8.1, 8 + g:afloat)
1288        assert_equal(10.1, g:anint + g:afloat)
1289        assert_equal(10.1, g:afloat + g:anint)
1290
1291        assert_equal(54.0, 60.0 - 6.0)
1292        assert_equal(54.0, 60.0
1293                                - 6)
1294        assert_equal(54.0, 60 - 6.0)
1295        assert_equal(-4.9, g:afloat - 5)
1296        assert_equal(7.9, 8 - g:afloat)
1297        assert_equal(9.9, g:anint - g:afloat)
1298        assert_equal(-9.9, g:afloat - g:anint)
1299    END
1300    CheckDefAndScriptSuccess(lines)
1301  endif
1302enddef
1303
1304func Test_expr5_fails()
1305  let msg = "White space required before and after '+'"
1306  call CheckDefFailure(["var x = 1+2"], msg, 1)
1307  call CheckDefFailure(["var x = 1 +2"], msg, 1)
1308  call CheckDefFailure(["var x = 1+ 2"], msg, 1)
1309
1310  let msg = "White space required before and after '-'"
1311  call CheckDefFailure(["var x = 1-2"], msg, 1)
1312  call CheckDefFailure(["var x = 1 -2"], msg, 1)
1313  call CheckDefFailure(["var x = 1- 2"], msg, 1)
1314
1315  let msg = "White space required before and after '..'"
1316  call CheckDefFailure(["var x = '1'..'2'"], msg, 1)
1317  call CheckDefFailure(["var x = '1' ..'2'"], msg, 1)
1318  call CheckDefFailure(["var x = '1'.. '2'"], msg, 1)
1319
1320  call CheckDefFailure(["var x = 0z1122 + 33"], 'E1051:', 1)
1321  call CheckDefFailure(["var x = 0z1122 + [3]"], 'E1051:', 1)
1322  call CheckDefFailure(["var x = 0z1122 + 'asd'"], 'E1051:', 1)
1323  call CheckDefFailure(["var x = 33 + 0z1122"], 'E1051:', 1)
1324  call CheckDefFailure(["var x = [3] + 0z1122"], 'E1051:', 1)
1325  call CheckDefFailure(["var x = 'asdf' + 0z1122"], 'E1051:', 1)
1326  call CheckDefFailure(["var x = 6 + xxx"], 'E1001:', 1)
1327
1328  call CheckDefFailure(["var x = 'a' .. [1]"], 'E1105:', 1)
1329  call CheckDefFailure(["var x = 'a' .. {a: 1}"], 'E1105:', 1)
1330  call CheckDefFailure(["var x = 'a' .. test_void()"], 'E1105:', 1)
1331  call CheckDefFailure(["var x = 'a' .. 0z32"], 'E1105:', 1)
1332  call CheckDefFailure(["var x = 'a' .. function('len')"], 'E1105:', 1)
1333  call CheckDefFailure(["var x = 'a' .. function('len', ['a'])"], 'E1105:', 1)
1334
1335  call CheckScriptFailure(['vim9script', 'var x = 1 + v:none'], 'E611:', 2)
1336  call CheckScriptFailure(['vim9script', 'var x = 1 + v:null'], 'E611:', 2)
1337  call CheckScriptFailure(['vim9script', 'var x = 1 + v:true'], 'E1138:', 2)
1338  call CheckScriptFailure(['vim9script', 'var x = 1 + v:false'], 'E1138:', 2)
1339  call CheckScriptFailure(['vim9script', 'var x = 1 + true'], 'E1138:', 2)
1340  call CheckScriptFailure(['vim9script', 'var x = 1 + false'], 'E1138:', 2)
1341endfunc
1342
1343func Test_expr5_fails_channel()
1344  CheckFeature channel
1345  call CheckDefFailure(["var x = 'a' .. test_null_job()"], 'E1105:', 1)
1346  call CheckDefFailure(["var x = 'a' .. test_null_channel()"], 'E1105:', 1)
1347endfunc
1348
1349def Test_expr5_list_add()
1350  # concatenating two lists with same member types is OK
1351  var d = {}
1352  for i in ['a'] + ['b']
1353    d = {[i]: 0}
1354  endfor
1355
1356  # concatenating two lists with different member types results in "any"
1357  var dany = {}
1358  for i in ['a'] + [12]
1359    dany[i] = i
1360  endfor
1361  assert_equal({a: 'a', 12: 12}, dany)
1362enddef
1363
1364" test multiply, divide, modulo
1365def Test_expr6()
1366  var lines =<< trim END
1367      assert_equal(36, 6 * 6)
1368      assert_equal(24, 6 *
1369                            g:thefour)
1370      assert_equal(24, g:thefour
1371                            * 6)
1372      assert_equal(40, g:anint * g:thefour)
1373
1374      assert_equal(10, 60 / 6)
1375      assert_equal(6, 60 /
1376                            g:anint)
1377      assert_equal(1, g:anint / 6)
1378      assert_equal(2, g:anint
1379                            / g:thefour)
1380
1381      assert_equal(5, 11 % 6)
1382      assert_equal(4, g:anint % 6)
1383      assert_equal(3, 13 %
1384                            g:anint)
1385      assert_equal(2, g:anint
1386                            % g:thefour)
1387
1388      assert_equal(4, 6 * 4 / 6)
1389
1390      var x = [2]
1391      var y = [3]
1392      assert_equal(5, x[0] + y[0])
1393      assert_equal(6, x[0] * y[0])
1394      if has('float')
1395        var xf = [2.0]
1396        var yf = [3.0]
1397        assert_equal(5.0, xf[0]
1398                            + yf[0])
1399        assert_equal(6.0, xf[0]
1400                            * yf[0])
1401      endif
1402  END
1403  CheckDefAndScriptSuccess(lines)
1404
1405  CheckDefFailure(["var x = 6 * xxx"], 'E1001:', 1)
1406  CheckDefFailure(["var d = 6 * "], 'E1097:', 3)
1407
1408  CheckDefExecAndScriptFailure(['echo 1 / 0'], 'E1154', 1)
1409  CheckDefExecAndScriptFailure(['echo 1 % 0'], 'E1154', 1)
1410enddef
1411
1412def Test_expr6_vim9script()
1413  # check line continuation
1414  var lines =<< trim END
1415      vim9script
1416      var name = 11
1417      		* 22
1418		/ 3
1419      assert_equal(80, name)
1420  END
1421  CheckScriptSuccess(lines)
1422
1423  lines =<< trim END
1424      vim9script
1425      var name = 25
1426      		% 10
1427      assert_equal(5, name)
1428  END
1429  CheckScriptSuccess(lines)
1430
1431  lines =<< trim END
1432      vim9script
1433      var name = 25
1434                # comment
1435
1436                # comment
1437      		% 10
1438      assert_equal(5, name)
1439  END
1440  CheckScriptSuccess(lines)
1441
1442  lines =<< trim END
1443      vim9script
1444      var name = 11 *
1445      		22 /
1446		3
1447      assert_equal(80, name)
1448  END
1449  CheckScriptSuccess(lines)
1450
1451  # check white space
1452  lines =<< trim END
1453      vim9script
1454      echo 5*6
1455  END
1456  CheckScriptFailure(lines, 'E1004:', 2)
1457  lines =<< trim END
1458      vim9script
1459      echo 5 *6
1460  END
1461  CheckScriptFailure(lines, 'E1004:', 2)
1462  lines =<< trim END
1463      vim9script
1464      echo 5* 6
1465  END
1466  CheckScriptFailure(lines, 'E1004:', 2)
1467enddef
1468
1469def Test_expr6_float()
1470  if !has('float')
1471    MissingFeature 'float'
1472  else
1473    var lines =<< trim END
1474        assert_equal(36.0, 6.0 * 6)
1475        assert_equal(36.0, 6 *
1476                               6.0)
1477        assert_equal(36.0, 6.0 * 6.0)
1478        assert_equal(1.0, g:afloat * g:anint)
1479
1480        assert_equal(10.0, 60 / 6.0)
1481        assert_equal(10.0, 60.0 /
1482                            6)
1483        assert_equal(10.0, 60.0 / 6.0)
1484        assert_equal(0.01, g:afloat / g:anint)
1485
1486        assert_equal(4.0, 6.0 * 4 / 6)
1487        assert_equal(4.0, 6 *
1488                            4.0 /
1489                            6)
1490        assert_equal(4.0, 6 * 4 / 6.0)
1491        assert_equal(4.0, 6.0 * 4.0 / 6)
1492        assert_equal(4.0, 6 * 4.0 / 6.0)
1493        assert_equal(4.0, 6.0 * 4 / 6.0)
1494        assert_equal(4.0, 6.0 * 4.0 / 6.0)
1495
1496        assert_equal(4.0, 6.0 * 4.0 / 6.0)
1497    END
1498    CheckDefAndScriptSuccess(lines)
1499  endif
1500enddef
1501
1502func Test_expr6_fails()
1503  let msg = "White space required before and after '*'"
1504  call CheckDefFailure(["var x = 1*2"], msg, 1)
1505  call CheckDefFailure(["var x = 1 *2"], msg, 1)
1506  call CheckDefFailure(["var x = 1* 2"], msg, 1)
1507
1508  let msg = "White space required before and after '/'"
1509  call CheckDefFailure(["var x = 1/2"], msg, 1)
1510  call CheckDefFailure(["var x = 1 /2"], msg, 1)
1511  call CheckDefFailure(["var x = 1/ 2"], msg, 1)
1512
1513  let msg = "White space required before and after '%'"
1514  call CheckDefFailure(["var x = 1%2"], msg, 1)
1515  call CheckDefFailure(["var x = 1 %2"], msg, 1)
1516  call CheckDefFailure(["var x = 1% 2"], msg, 1)
1517
1518  call CheckDefFailure(["var x = '1' * '2'"], 'E1036:', 1)
1519  call CheckDefFailure(["var x = '1' / '2'"], 'E1036:', 1)
1520  call CheckDefFailure(["var x = '1' % '2'"], 'E1035:', 1)
1521
1522  call CheckDefFailure(["var x = 0z01 * 0z12"], 'E1036:', 1)
1523  call CheckDefFailure(["var x = 0z01 / 0z12"], 'E1036:', 1)
1524  call CheckDefFailure(["var x = 0z01 % 0z12"], 'E1035:', 1)
1525
1526  call CheckDefFailure(["var x = [1] * [2]"], 'E1036:', 1)
1527  call CheckDefFailure(["var x = [1] / [2]"], 'E1036:', 1)
1528  call CheckDefFailure(["var x = [1] % [2]"], 'E1035:', 1)
1529
1530  call CheckDefFailure(["var x = {one: 1} * {two: 2}"], 'E1036:', 1)
1531  call CheckDefFailure(["var x = {one: 1} / {two: 2}"], 'E1036:', 1)
1532  call CheckDefFailure(["var x = {one: 1} % {two: 2}"], 'E1035:', 1)
1533
1534  call CheckDefFailure(["var x = 0xff[1]"], 'E1107:', 1)
1535  if has('float')
1536    call CheckDefFailure(["var x = 0.7[1]"], 'E1107:', 1)
1537  endif
1538endfunc
1539
1540func Test_expr6_float_fails()
1541  CheckFeature float
1542  call CheckDefFailure(["var x = 1.0 % 2"], 'E1035:', 1)
1543endfunc
1544
1545" define here to use old style parsing
1546if has('float')
1547  let g:float_zero = 0.0
1548  let g:float_neg = -9.8
1549  let g:float_big = 9.9e99
1550endif
1551let g:blob_empty = 0z
1552let g:blob_one = 0z01
1553let g:blob_long = 0z0102.0304
1554
1555let g:string_empty = ''
1556let g:string_short = 'x'
1557let g:string_long = 'abcdefghijklm'
1558let g:string_special = "ab\ncd\ref\ekk"
1559
1560let g:special_true = v:true
1561let g:special_false = v:false
1562let g:special_null = v:null
1563let g:special_none = v:none
1564
1565let g:list_empty = []
1566let g:list_mixed = [1, 'b', v:false]
1567
1568let g:dict_empty = {}
1569let g:dict_one = #{one: 1}
1570
1571let $TESTVAR = 'testvar'
1572
1573" type casts
1574def Test_expr7t()
1575  var ls: list<string> = ['a', <string>g:string_empty]
1576  var ln: list<number> = [<number>g:anint, <number>g:thefour]
1577  var nr = <number>234
1578  assert_equal(234, nr)
1579
1580  CheckDefFailure(["var x = <nr>123"], 'E1010:', 1)
1581  CheckDefFailure(["var x = <number>"], 'E1097:', 3)
1582  CheckDefFailure(["var x = <number >123"], 'E1068:', 1)
1583  CheckDefFailure(["var x = <number 123"], 'E1104:', 1)
1584enddef
1585
1586" test low level expression
1587def Test_expr7_number()
1588  # number constant
1589  var lines =<< trim END
1590      assert_equal(0, 0)
1591      assert_equal(654, 0654)
1592
1593      assert_equal(6, 0x6)
1594      assert_equal(15, 0xf)
1595      assert_equal(255, 0xff)
1596  END
1597  CheckDefAndScriptSuccess(lines)
1598enddef
1599
1600def Test_expr7_float()
1601  # float constant
1602  if !has('float')
1603    MissingFeature 'float'
1604  else
1605    var lines =<< trim END
1606        assert_equal(g:float_zero, .0)
1607        assert_equal(g:float_zero, 0.0)
1608        assert_equal(g:float_neg, -9.8)
1609        assert_equal(g:float_big, 9.9e99)
1610    END
1611    CheckDefAndScriptSuccess(lines)
1612  endif
1613enddef
1614
1615def Test_expr7_blob()
1616  # blob constant
1617  var lines =<< trim END
1618      assert_equal(g:blob_empty, 0z)
1619      assert_equal(g:blob_one, 0z01)
1620      assert_equal(g:blob_long, 0z0102.0304)
1621  END
1622  CheckDefAndScriptSuccess(lines)
1623
1624  CheckDefFailure(["var x = 0z123"], 'E973:', 1)
1625enddef
1626
1627def Test_expr7_string()
1628  # string constant
1629  var lines =<< trim END
1630      assert_equal(g:string_empty, '')
1631      assert_equal(g:string_empty, "")
1632      assert_equal(g:string_short, 'x')
1633      assert_equal(g:string_short, "x")
1634      assert_equal(g:string_long, 'abcdefghijklm')
1635      assert_equal(g:string_long, "abcdefghijklm")
1636      assert_equal(g:string_special, "ab\ncd\ref\ekk")
1637  END
1638  CheckDefAndScriptSuccess(lines)
1639
1640  CheckDefFailure(['var x = "abc'], 'E114:', 1)
1641  CheckDefFailure(["var x = 'abc"], 'E115:', 1)
1642enddef
1643
1644def Test_expr7_vimvar()
1645  var old: list<string> = v:oldfiles
1646  var compl: dict<any> = v:completed_item
1647
1648  CheckDefFailure(["var old: list<number> = v:oldfiles"], 'E1012: Type mismatch; expected list<number> but got list<string>', 1)
1649  new
1650  exec "normal! afoo fo\<C-N>\<Esc>"
1651  CheckDefExecFailure(["var old: dict<number> = v:completed_item"], 'E1012: Type mismatch; expected dict<number> but got dict<string>', 1)
1652  bwipe!
1653enddef
1654
1655def Test_expr7_special()
1656  # special constant
1657  var lines =<< trim END
1658      assert_equal(g:special_true, true)
1659      assert_equal(g:special_false, false)
1660      assert_equal(g:special_true, v:true)
1661      assert_equal(g:special_false, v:false)
1662      assert_equal(v:true, true)
1663      assert_equal(v:false, false)
1664
1665      assert_equal(true, !false)
1666      assert_equal(false, !true)
1667      assert_equal(true, !0)
1668      assert_equal(false, !1)
1669      assert_equal(false, !!false)
1670      assert_equal(true, !!true)
1671      assert_equal(false, !!0)
1672      assert_equal(true, !!1)
1673
1674      var t = true
1675      var f = false
1676      assert_equal(true, t)
1677      assert_equal(false, f)
1678
1679      assert_equal(g:special_null, v:null)
1680      assert_equal(g:special_null, null)
1681      assert_equal(g:special_none, v:none)
1682  END
1683  CheckDefAndScriptSuccess(lines)
1684
1685  CheckDefFailure(['v:true = true'], 'E46:', 1)
1686  CheckDefFailure(['v:true = false'], 'E46:', 1)
1687  CheckDefFailure(['v:false = true'], 'E46:', 1)
1688  CheckDefFailure(['v:null = 11'], 'E46:', 1)
1689  CheckDefFailure(['v:none = 22'], 'E46:', 1)
1690enddef
1691
1692def Test_expr7_list()
1693  # list
1694  var lines =<< trim END
1695      assert_equal(g:list_empty, [])
1696      assert_equal(g:list_empty, [  ])
1697
1698      var numbers: list<number> = [1, 2, 3]
1699      numbers = [1]
1700      numbers = []
1701
1702      var strings: list<string> = ['a', 'b', 'c']
1703      strings = ['x']
1704      strings = []
1705
1706      var mixed: list<any> = [1, 'b', false,]
1707      assert_equal(g:list_mixed, mixed)
1708      assert_equal('b', mixed[1])
1709
1710      echo [1,
1711            2] [3,
1712                    4]
1713
1714      var llstring: list<list<string>> = [['text'], []]
1715      llstring = [[], ['text']]
1716      llstring = [[], []]
1717  END
1718  CheckDefAndScriptSuccess(lines)
1719
1720  var rangelist: list<number> = range(3)
1721  g:rangelist = range(3)
1722  CheckDefExecFailure(["var x: list<string> = g:rangelist"], 'E1012: Type mismatch; expected list<string> but got list<number>', 1)
1723
1724  CheckDefFailure(["var x = 1234[3]"], 'E1107:', 1)
1725  CheckDefExecFailure(["var x = g:anint[3]"], 'E1062:', 1)
1726
1727  CheckDefFailure(["var x = g:list_mixed[xxx]"], 'E1001:', 1)
1728
1729  CheckDefFailure(["var x = [1,2,3]"], 'E1069:', 1)
1730  CheckDefFailure(["var x = [1 ,2, 3]"], 'E1068:', 1)
1731
1732  CheckDefExecFailure(["echo 1", "var x = [][0]", "echo 3"], 'E684:', 2)
1733
1734  CheckDefExecFailure(["var x = g:list_mixed['xx']"], 'E1012:', 1)
1735  CheckDefFailure(["var x = g:list_mixed["], 'E1097:', 3)
1736  CheckDefFailure(["var x = g:list_mixed[0"], 'E1097:', 3)
1737  CheckDefExecFailure(["var x = g:list_empty[3]"], 'E684:', 1)
1738  CheckDefExecFailure(["var l: list<number> = [234, 'x']"], 'E1012:', 1)
1739  CheckDefExecFailure(["var l: list<number> = ['x', 234]"], 'E1012:', 1)
1740  CheckDefExecFailure(["var l: list<string> = [234, 'x']"], 'E1012:', 1)
1741  CheckDefExecFailure(["var l: list<string> = ['x', 123]"], 'E1012:', 1)
1742
1743  lines =<< trim END
1744      vim9script
1745      var datalist: list<string>
1746      def Main()
1747        datalist += ['x'.
1748      enddef
1749      Main()
1750  END
1751  CheckScriptFailure(lines, 'E1127:')
1752
1753  lines =<< trim END
1754      var numbers = [1, 2, 3, 4]
1755      var a = 1
1756      var b = 2
1757  END
1758  CheckDefAndScriptFailure(lines + ['echo numbers[1:b]'],
1759      'E1004: White space required before and after '':'' at ":b]"', 4)
1760  CheckDefAndScriptFailure(lines + ['echo numbers[1: b]'], 'E1004:', 4)
1761  CheckDefAndScriptFailure(lines + ['echo numbers[a :b]'], 'E1004:', 4)
1762enddef
1763
1764def Test_expr7_list_vim9script()
1765  var lines =<< trim END
1766      vim9script
1767      var l = [
1768		11,
1769		22,
1770		]
1771      assert_equal([11, 22], l)
1772
1773      echo [1,
1774	    2] [3,
1775		    4]
1776
1777      echo [1, # comment
1778            # comment
1779	    2] [3,
1780            # comment
1781		    4]
1782  END
1783  CheckScriptSuccess(lines)
1784
1785  lines =<< trim END
1786      vim9script
1787      var l = [11,
1788		22]
1789      assert_equal([11, 22], l)
1790  END
1791  CheckScriptSuccess(lines)
1792
1793  lines =<< trim END
1794      vim9script
1795      var l = [11,22]
1796  END
1797  CheckScriptFailure(lines, 'E1069:', 2)
1798
1799  lines =<< trim END
1800      vim9script
1801      var l = [11 , 22]
1802  END
1803  CheckScriptFailure(lines, 'E1068:', 2)
1804
1805  lines =<< trim END
1806    vim9script
1807    var l: list<number> = [234, 'x']
1808  END
1809  CheckScriptFailure(lines, 'E1012:', 2)
1810  lines =<< trim END
1811    vim9script
1812    var l: list<number> = ['x', 234]
1813  END
1814  CheckScriptFailure(lines, 'E1012:', 2)
1815  lines =<< trim END
1816    vim9script
1817    var l: list<string> = ['x', 234]
1818  END
1819  CheckScriptFailure(lines, 'E1012:', 2)
1820  lines =<< trim END
1821    vim9script
1822    var l: list<string> = [234, 'x']
1823  END
1824  CheckScriptFailure(lines, 'E1012:', 2)
1825
1826  lines =<< trim END
1827      vim9script
1828      def Failing()
1829        job_stop()
1830      enddef
1831      var list = [Failing]
1832  END
1833  if has('channel')
1834    CheckScriptFailure(lines, 'E119:', 1)
1835  else
1836    CheckScriptFailure(lines, 'E117:', 1)
1837  endif
1838enddef
1839
1840def LambdaWithComments(): func
1841  return (x) =>
1842            # some comment
1843            x == 1
1844            # some comment
1845            ||
1846            x == 2
1847enddef
1848
1849def LambdaUsingArg(x: number): func
1850  return () =>
1851            # some comment
1852            x == 1
1853            # some comment
1854            ||
1855            x == 2
1856enddef
1857
1858def Test_expr7_lambda()
1859  var lines =<< trim END
1860      var La = () => 'result'
1861      assert_equal('result', La())
1862      assert_equal([1, 3, 5], [1, 2, 3]->map((key, val) => key + val))
1863
1864      # line continuation inside lambda with "cond ? expr : expr" works
1865      var ll = range(3)
1866      var dll = mapnew(ll, (k, v) => v % 2 ? {
1867                ['111']: 111 } : {}
1868            )
1869      assert_equal([{}, {111: 111}, {}], dll)
1870
1871      ll = range(3)
1872      map(ll, (k, v) => v == 8 || v
1873                    == 9
1874                    || v % 2 ? 111 : 222
1875            )
1876      assert_equal([222, 111, 222], ll)
1877
1878      ll = range(3)
1879      map(ll, (k, v) => v != 8 && v
1880                    != 9
1881                    && v % 2 == 0 ? 111 : 222
1882            )
1883      assert_equal([111, 222, 111], ll)
1884
1885      var dl = [{key: 0}, {key: 22}]->filter(( _, v) => v['key'] )
1886      assert_equal([{key: 22}], dl)
1887
1888      dl = [{key: 12}, {['foo']: 34}]
1889      assert_equal([{key: 12}], filter(dl,
1890            (_, v) => has_key(v, 'key') ? v['key'] == 12 : 0))
1891
1892      assert_equal(false, LambdaWithComments()(0))
1893      assert_equal(true, LambdaWithComments()(1))
1894      assert_equal(true, LambdaWithComments()(2))
1895      assert_equal(false, LambdaWithComments()(3))
1896
1897      assert_equal(false, LambdaUsingArg(0)())
1898      assert_equal(true, LambdaUsingArg(1)())
1899
1900      var res = map([1, 2, 3], (i: number, v: number) => i + v)
1901      assert_equal([1, 3, 5], res)
1902  END
1903  CheckDefAndScriptSuccess(lines)
1904
1905  CheckDefFailure(["var Ref = (a)=>a + 1"], 'E1004:')
1906  CheckDefFailure(["var Ref = (a)=> a + 1"], 'E1004: White space required before and after ''=>'' at "=> a + 1"')
1907  CheckDefFailure(["var Ref = (a) =>a + 1"], 'E1004:')
1908
1909  CheckDefFailure(["filter([1, 2], (k,v) => 1)"], 'E1069:', 1)
1910  # error is in first line of the lambda
1911  CheckDefFailure(["var L = (a) => a + b"], 'E1001:', 0)
1912
1913  assert_equal('xxxyyy', 'xxx'->((a, b) => a .. b)('yyy'))
1914
1915  CheckDefExecFailure(["var s = 'asdf'->((a) => a)('x')"], 'E118:')
1916  CheckDefExecFailure(["var s = 'asdf'->((a) => a)('x', 'y')"], 'E118:')
1917  CheckDefFailure(["echo 'asdf'->((a) => a)(x)"], 'E1001:', 1)
1918
1919  CheckDefSuccess(['var Fx = (a) => ({k1: 0,', ' k2: 1})'])
1920  CheckDefFailure(['var Fx = (a) => ({k1: 0', ' k2: 1})'], 'E722:', 2)
1921  CheckDefFailure(['var Fx = (a) => ({k1: 0,', ' k2 1})'], 'E720:', 2)
1922
1923  CheckDefSuccess(['var Fx = (a) => [0,', ' 1]'])
1924  CheckDefFailure(['var Fx = (a) => [0', ' 1]'], 'E696:', 2)
1925
1926  # no error for existing script variable when checking for lambda
1927  lines =<< trim END
1928    vim9script
1929    var name = 0
1930    eval (name + 2) / 3
1931  END
1932  CheckScriptSuccess(lines)
1933enddef
1934
1935def NewLambdaWithComments(): func
1936  return (x) =>
1937            # some comment
1938            x == 1
1939            # some comment
1940            ||
1941            x == 2
1942enddef
1943
1944def NewLambdaUsingArg(x: number): func
1945  return () =>
1946            # some comment
1947            x == 1
1948            # some comment
1949            ||
1950            x == 2
1951enddef
1952
1953def Test_expr7_new_lambda()
1954  var lines =<< trim END
1955      var La = () => 'result'
1956      assert_equal('result', La())
1957      assert_equal([1, 3, 5], [1, 2, 3]->map((key, val) => key + val))
1958
1959      # line continuation inside lambda with "cond ? expr : expr" works
1960      var ll = range(3)
1961      var dll = mapnew(ll, (k, v) => v % 2 ? {
1962                ['111']: 111 } : {}
1963            )
1964      assert_equal([{}, {111: 111}, {}], dll)
1965
1966      ll = range(3)
1967      map(ll, (k, v) => v == 8 || v
1968                    == 9
1969                    || v % 2 ? 111 : 222
1970            )
1971      assert_equal([222, 111, 222], ll)
1972
1973      ll = range(3)
1974      map(ll, (k, v) => v != 8 && v
1975                    != 9
1976                    && v % 2 == 0 ? 111 : 222
1977            )
1978      assert_equal([111, 222, 111], ll)
1979
1980      var dl = [{key: 0}, {key: 22}]->filter(( _, v) => v['key'] )
1981      assert_equal([{key: 22}], dl)
1982
1983      dl = [{key: 12}, {['foo']: 34}]
1984      assert_equal([{key: 12}], filter(dl,
1985            (_, v) => has_key(v, 'key') ? v['key'] == 12 : 0))
1986
1987      assert_equal(false, NewLambdaWithComments()(0))
1988      assert_equal(true, NewLambdaWithComments()(1))
1989      assert_equal(true, NewLambdaWithComments()(2))
1990      assert_equal(false, NewLambdaWithComments()(3))
1991
1992      assert_equal(false, NewLambdaUsingArg(0)())
1993      assert_equal(true, NewLambdaUsingArg(1)())
1994
1995      var res = map([1, 2, 3], (i: number, v: number) => i + v)
1996      assert_equal([1, 3, 5], res)
1997
1998      # Lambda returning a dict
1999      var Lmb = () => ({key: 42})
2000      assert_equal({key: 42}, Lmb())
2001
2002      var RefOne: func(number): string = (a: number): string => 'x'
2003      var RefTwo: func(number): any = (a: number): any => 'x'
2004
2005      var Fx = (a) => ({k1: 0,
2006                         k2: 1})
2007      var Fy = (a) => [0,
2008                       1]
2009  END
2010  CheckDefAndScriptSuccess(lines)
2011
2012  CheckDefAndScriptFailure(["var Ref = (a)=>a + 1"], 'E1004:')
2013  CheckDefAndScriptFailure(["var Ref = (a)=> a + 1"], 'E1004:')
2014  CheckDefAndScriptFailure(["var Ref = (a) =>a + 1"],
2015      'E1004: White space required before and after ''=>'' at " =>a + 1"')
2016
2017  CheckDefFailure(["var Ref: func(number): number = (a: number): string => 'x'"], 'E1012:')
2018  CheckDefFailure(["var Ref: func(number): string = (a: number): string => 99"], 'E1012:')
2019
2020  CheckDefFailure(["filter([1, 2], (k,v) => 1)"], 'E1069:', 1)
2021  # error is in first line of the lambda
2022  CheckDefFailure(["var L = (a) -> a + b"], 'E1001:', 1)
2023
2024# TODO: ->(lambda)() doesn't work yet
2025#  assert_equal('xxxyyy', 'xxx'->((a, b) => a .. b)('yyy'))
2026
2027#  CheckDefExecFailure(["var s = 'asdf'->{a -> a}('x')"],
2028#        'E1106: One argument too many')
2029#  CheckDefExecFailure(["var s = 'asdf'->{a -> a}('x', 'y')"],
2030#        'E1106: 2 arguments too many')
2031#  CheckDefFailure(["echo 'asdf'->{a -> a}(x)"], 'E1001:', 1)
2032
2033  CheckDefFailure(['var Fx = (a) => ({k1: 0', ' k2: 1})'], 'E722:', 2)
2034  CheckDefFailure(['var Fx = (a) => ({k1: 0,', ' k2 1})'], 'E720:', 2)
2035
2036  CheckDefFailure(['var Fx = (a) => [0', ' 1]'], 'E696:', 2)
2037enddef
2038
2039def Test_expr7_lambda_vim9script()
2040  var lines =<< trim END
2041      vim9script
2042      var v = 10->((a) =>
2043	    a
2044	      + 2
2045            )()
2046      assert_equal(12, v)
2047  END
2048  CheckScriptSuccess(lines)
2049
2050  # nested lambda with line breaks
2051  lines =<< trim END
2052      vim9script
2053      search('"', 'cW', 0, 0, () =>
2054	synstack('.', col('.'))
2055          ->map((_, v) => synIDattr(v, 'name'))->len())
2056  END
2057  CheckScriptSuccess(lines)
2058enddef
2059
2060def Test_epxr7_funcref()
2061  var lines =<< trim END
2062      def RetNumber(): number
2063        return 123
2064      enddef
2065      var FuncRef = RetNumber
2066      assert_equal(123, FuncRef())
2067  END
2068  CheckDefAndScriptSuccess(lines)
2069enddef
2070
2071let g:test_space_dict = {'': 'empty', ' ': 'space'}
2072let g:test_hash_dict = #{one: 1, two: 2}
2073
2074def Test_expr7_dict()
2075  # dictionary
2076  var lines =<< trim END
2077      assert_equal(g:dict_empty, {})
2078      assert_equal(g:dict_empty, {  })
2079      assert_equal(g:dict_one, {['one']: 1})
2080      var key = 'one'
2081      var val = 1
2082      assert_equal(g:dict_one, {[key]: val})
2083
2084      var numbers: dict<number> = {a: 1, b: 2, c: 3}
2085      numbers = {a: 1}
2086      numbers = {}
2087
2088      var strings: dict<string> = {a: 'a', b: 'b', c: 'c'}
2089      strings = {a: 'x'}
2090      strings = {}
2091
2092      var dash = {xx-x: 8}
2093      assert_equal({['xx-x']: 8}, dash)
2094
2095      var dnr = {8: 8}
2096      assert_equal({['8']: 8}, dnr)
2097
2098      var mixed: dict<any> = {a: 'a', b: 42}
2099      mixed = {a: 'x'}
2100      mixed = {a: 234}
2101      mixed = {}
2102
2103      var dictlist: dict<list<string>> = {absent: [], present: ['hi']}
2104      dictlist = {absent: ['hi'], present: []}
2105      dictlist = {absent: [], present: []}
2106
2107      var dictdict: dict<dict<string>> = {one: {a: 'text'}, two: {}}
2108      dictdict = {one: {}, two: {a: 'text'}}
2109      dictdict = {one: {}, two: {}}
2110
2111      assert_equal({['']: 0}, {[matchstr('string', 'wont match')]: 0})
2112
2113      assert_equal(g:test_space_dict, {['']: 'empty', [' ']: 'space'})
2114      assert_equal(g:test_hash_dict, {one: 1, two: 2})
2115
2116      assert_equal({['a a']: 1, ['b/c']: 2}, {'a a': 1, "b/c": 2})
2117
2118      var d = {a: () => 3, b: () => 7}
2119      assert_equal(3, d.a())
2120      assert_equal(7, d.b())
2121
2122      var cd = { # comment
2123                key: 'val' # comment
2124               }
2125
2126      # different types used for the key
2127      var dkeys = {['key']: 'string',
2128                   [12]: 'numberexpr',
2129                   34: 'number',
2130                   [true]: 'bool'}
2131      assert_equal('string', dkeys['key'])
2132      assert_equal('numberexpr', dkeys[12])
2133      assert_equal('number', dkeys[34])
2134      assert_equal('bool', dkeys[true])
2135      if has('float')
2136        dkeys = {[1.2]: 'floatexpr', [3.4]: 'float'}
2137        assert_equal('floatexpr', dkeys[1.2])
2138        assert_equal('float', dkeys[3.4])
2139      endif
2140
2141      # automatic conversion from number to string
2142      var n = 123
2143      var dictnr = {[n]: 1}
2144  END
2145  CheckDefAndScriptSuccess(lines)
2146
2147  # legacy syntax doesn't work
2148  CheckDefFailure(["var x = #{key: 8}"], 'E1097:', 3)
2149  CheckDefFailure(["var x = 'a' .. #{a: 1}"], 'E1097:', 3)
2150
2151  CheckDefFailure(["var x = {a:8}"], 'E1069:', 1)
2152  CheckDefFailure(["var x = {a : 8}"], 'E1068:', 1)
2153  CheckDefFailure(["var x = {a :8}"], 'E1068:', 1)
2154  CheckDefFailure(["var x = {a: 8 , b: 9}"], 'E1068:', 1)
2155  CheckDefFailure(["var x = {a: 1,b: 2}"], 'E1069:', 1)
2156
2157  CheckDefFailure(["var x = {xxx}"], 'E720:', 1)
2158  CheckDefFailure(["var x = {xxx: 1", "var y = 2"], 'E722:', 2)
2159  CheckDefFailure(["var x = {xxx: 1,"], 'E723:', 2)
2160  CheckDefFailure(["var x = {['a']: xxx}"], 'E1001:', 1)
2161  CheckDefFailure(["var x = {a: 1, a: 2}"], 'E721:', 1)
2162  CheckDefExecFailure(["var x = g:anint.member"], 'E715:', 1)
2163  CheckDefExecFailure(["var x = g:dict_empty.member"], 'E716:', 1)
2164
2165  CheckDefExecFailure(['var x: dict<number> = {a: 234, b: "1"}'], 'E1012:', 1)
2166  CheckDefExecFailure(['var x: dict<number> = {a: "x", b: 134}'], 'E1012:', 1)
2167  CheckDefExecFailure(['var x: dict<string> = {a: 234, b: "1"}'], 'E1012:', 1)
2168  CheckDefExecFailure(['var x: dict<string> = {a: "x", b: 134}'], 'E1012:', 1)
2169
2170  # invalid types for the key
2171  CheckDefFailure(["var x = {[[1, 2]]: 0}"], 'E1105:', 1)
2172
2173  CheckDefFailure(['var x = ({'], 'E723:', 2)
2174  CheckDefExecFailure(['{}[getftype("file")]'], 'E716: Key not present in Dictionary: ""', 1)
2175enddef
2176
2177def Test_expr7_dict_vim9script()
2178  var lines =<< trim END
2179      vim9script
2180      var d = {
2181		['one']:
2182		   1,
2183		['two']: 2,
2184		   }
2185      assert_equal({one: 1, two: 2}, d)
2186
2187      d = {  # comment
2188		['one']:
2189                # comment
2190
2191		   1,
2192                # comment
2193                # comment
2194		['two']: 2,
2195		   }
2196      assert_equal({one: 1, two: 2}, d)
2197
2198      var dd = {k: 123->len()}
2199      assert_equal(3, dd.k)
2200  END
2201  CheckScriptSuccess(lines)
2202
2203  lines =<< trim END
2204      vim9script
2205      var d = { ["one"]: "one", ["two"]: "two", }
2206      assert_equal({one: 'one', two: 'two'}, d)
2207  END
2208  CheckScriptSuccess(lines)
2209
2210  lines =<< trim END
2211      vim9script
2212      var d = {one: 1,
2213		two: 2,
2214	       }
2215      assert_equal({one: 1, two: 2}, d)
2216  END
2217  CheckScriptSuccess(lines)
2218
2219  lines =<< trim END
2220      vim9script
2221      var d = {one:1, two: 2}
2222  END
2223  CheckScriptFailure(lines, 'E1069:', 2)
2224
2225  lines =<< trim END
2226      vim9script
2227      var d = {one: 1,two: 2}
2228  END
2229  CheckScriptFailure(lines, 'E1069:', 2)
2230
2231  lines =<< trim END
2232      vim9script
2233      var d = {one : 1}
2234  END
2235  CheckScriptFailure(lines, 'E1068:', 2)
2236
2237  lines =<< trim END
2238      vim9script
2239      var d = {one:1}
2240  END
2241  CheckScriptFailure(lines, 'E1069:', 2)
2242
2243  lines =<< trim END
2244      vim9script
2245      var d = {one: 1 , two: 2}
2246  END
2247  CheckScriptFailure(lines, 'E1068:', 2)
2248
2249  lines =<< trim END
2250    vim9script
2251    var l: dict<number> = {a: 234, b: 'x'}
2252  END
2253  CheckScriptFailure(lines, 'E1012:', 2)
2254  lines =<< trim END
2255    vim9script
2256    var l: dict<number> = {a: 'x', b: 234}
2257  END
2258  CheckScriptFailure(lines, 'E1012:', 2)
2259  lines =<< trim END
2260    vim9script
2261    var l: dict<string> = {a: 'x', b: 234}
2262  END
2263  CheckScriptFailure(lines, 'E1012:', 2)
2264  lines =<< trim END
2265    vim9script
2266    var l: dict<string> = {a: 234, b: 'x'}
2267  END
2268  CheckScriptFailure(lines, 'E1012:', 2)
2269
2270  lines =<< trim END
2271    vim9script
2272    var d = {['a']: 234, ['b': 'x'}
2273  END
2274  CheckScriptFailure(lines, 'E1139:', 2)
2275  lines =<< trim END
2276    vim9script
2277    def Func()
2278      var d = {['a']: 234, ['b': 'x'}
2279    enddef
2280    defcompile
2281  END
2282  CheckScriptFailure(lines, 'E1139:', 1)
2283  lines =<< trim END
2284    vim9script
2285    var d = {'a':
2286  END
2287  CheckScriptFailure(lines, 'E15:', 2)
2288  lines =<< trim END
2289    vim9script
2290    def Func()
2291      var d = {'a':
2292    enddef
2293    defcompile
2294  END
2295  CheckScriptFailure(lines, 'E723:', 1)
2296
2297  lines =<< trim END
2298      vim9script
2299      def Failing()
2300        job_stop()
2301      enddef
2302      var dict = {name: Failing}
2303  END
2304  if has('channel')
2305    CheckScriptFailure(lines, 'E119:', 1)
2306  else
2307    CheckScriptFailure(lines, 'E117:', 1)
2308  endif
2309enddef
2310
2311let g:oneString = 'one'
2312
2313def Test_expr_member()
2314  assert_equal(1, g:dict_one.one)
2315  var d: dict<number> = g:dict_one
2316  assert_equal(1, d['one'])
2317  assert_equal(1, d[
2318		  'one'
2319		  ])
2320  assert_equal(1, d
2321  	.one)
2322  d = {1: 1, _: 2}
2323  assert_equal(1, d
2324  	.1)
2325  assert_equal(2, d
2326  	._)
2327
2328  # getting the one member should clear the dict after getting the item
2329  assert_equal('one', {one: 'one'}.one)
2330  assert_equal('one', {one: 'one'}[g:oneString])
2331
2332  CheckDefFailure(["var x = g:dict_one.#$!"], 'E1002:', 1)
2333  CheckDefExecFailure(["var d: dict<any>", "echo d['a']"], 'E716:', 2)
2334  CheckDefExecFailure(["var d: dict<number>", "d = g:list_empty"], 'E1012: Type mismatch; expected dict<number> but got list<unknown>', 2)
2335enddef
2336
2337def Test_expr7_any_index_slice()
2338  var lines =<< trim END
2339    # getting the one member should clear the list only after getting the item
2340    assert_equal('bbb', ['aaa', 'bbb', 'ccc'][1])
2341
2342    # string is permissive, index out of range accepted
2343    g:teststring = 'abcdef'
2344    assert_equal('b', g:teststring[1])
2345    assert_equal('f', g:teststring[-1])
2346    assert_equal('', g:teststring[99])
2347
2348    assert_equal('b', g:teststring[1 : 1])
2349    assert_equal('bcdef', g:teststring[1 :])
2350    assert_equal('abcd', g:teststring[: 3])
2351    assert_equal('cdef', g:teststring[-4 :])
2352    assert_equal('abcdef', g:teststring[-9 :])
2353    assert_equal('abcd', g:teststring[: -3])
2354    assert_equal('', g:teststring[: -9])
2355
2356    # blob index cannot be out of range
2357    g:testblob = 0z01ab
2358    assert_equal(0x01, g:testblob[0])
2359    assert_equal(0xab, g:testblob[1])
2360    assert_equal(0xab, g:testblob[-1])
2361    assert_equal(0x01, g:testblob[-2])
2362
2363    # blob slice accepts out of range
2364    assert_equal(0z01ab, g:testblob[0 : 1])
2365    assert_equal(0z01, g:testblob[0 : 0])
2366    assert_equal(0z01, g:testblob[-2 : -2])
2367    assert_equal(0zab, g:testblob[1 : 1])
2368    assert_equal(0zab, g:testblob[-1 : -1])
2369    assert_equal(0z, g:testblob[2 : 2])
2370    assert_equal(0z, g:testblob[0 : -3])
2371
2372    # list index cannot be out of range
2373    g:testlist = [0, 1, 2, 3]
2374    assert_equal(0, g:testlist[0])
2375    assert_equal(1, g:testlist[1])
2376    assert_equal(3, g:testlist[3])
2377    assert_equal(3, g:testlist[-1])
2378    assert_equal(0, g:testlist[-4])
2379    assert_equal(1, g:testlist[g:theone])
2380
2381    # list slice accepts out of range
2382    assert_equal([0], g:testlist[0 : 0])
2383    assert_equal([3], g:testlist[3 : 3])
2384    assert_equal([0, 1], g:testlist[0 : 1])
2385    assert_equal([0, 1, 2, 3], g:testlist[0 : 3])
2386    assert_equal([0, 1, 2, 3], g:testlist[0 : 9])
2387    assert_equal([], g:testlist[-1 : 1])
2388    assert_equal([1], g:testlist[-3 : 1])
2389    assert_equal([0, 1], g:testlist[-4 : 1])
2390    assert_equal([0, 1], g:testlist[-9 : 1])
2391    assert_equal([1, 2, 3], g:testlist[1 : -1])
2392    assert_equal([1], g:testlist[1 : -3])
2393    assert_equal([], g:testlist[1 : -4])
2394    assert_equal([], g:testlist[1 : -9])
2395
2396    g:testdict = {a: 1, b: 2}
2397    assert_equal(1, g:testdict['a'])
2398    assert_equal(2, g:testdict['b'])
2399  END
2400
2401  CheckDefSuccess(lines)
2402  CheckScriptSuccess(['vim9script'] + lines)
2403
2404  CheckDefExecFailure(['echo g:testblob[2]'], 'E979:', 1)
2405  CheckScriptFailure(['vim9script', 'echo g:testblob[2]'], 'E979:', 2)
2406  CheckDefExecFailure(['echo g:testblob[-3]'], 'E979:', 1)
2407  CheckScriptFailure(['vim9script', 'echo g:testblob[-3]'], 'E979:', 2)
2408
2409  CheckDefExecFailure(['echo g:testlist[4]'], 'E684: list index out of range: 4', 1)
2410  CheckScriptFailure(['vim9script', 'echo g:testlist[4]'], 'E684:', 2)
2411  CheckDefExecFailure(['echo g:testlist[-5]'], 'E684:', 1)
2412  CheckScriptFailure(['vim9script', 'echo g:testlist[-5]'], 'E684: list index out of range: -5', 2)
2413
2414  CheckDefExecFailure(['echo g:testdict["a" : "b"]'], 'E719:', 1)
2415  CheckScriptFailure(['vim9script', 'echo g:testdict["a" : "b"]'], 'E719:', 2)
2416  CheckDefExecFailure(['echo g:testdict[1]'], 'E716:', 1)
2417  CheckScriptFailure(['vim9script', 'echo g:testdict[1]'], 'E716:', 2)
2418
2419  unlet g:teststring
2420  unlet g:testblob
2421  unlet g:testlist
2422enddef
2423
2424def Test_expr_member_vim9script()
2425  var lines =<< trim END
2426      vim9script
2427      var d = {one:
2428      		'one',
2429		two: 'two',
2430		1: 1,
2431		_: 2}
2432      assert_equal('one', d.one)
2433      assert_equal('one', d
2434                            .one)
2435      assert_equal(1, d
2436                            .1)
2437      assert_equal(2, d
2438                            ._)
2439      assert_equal('one', d[
2440			    'one'
2441			    ])
2442  END
2443  CheckScriptSuccess(lines)
2444
2445  lines =<< trim END
2446      vim9script
2447      var l = [1,
2448		  2,
2449		  3, 4
2450		  ]
2451      assert_equal(2, l[
2452			    1
2453			    ])
2454      assert_equal([2, 3], l[1 : 2])
2455      assert_equal([1, 2, 3], l[
2456				:
2457				2
2458				])
2459      assert_equal([3, 4], l[
2460				2
2461				:
2462				])
2463  END
2464  CheckScriptSuccess(lines)
2465enddef
2466
2467def SetSomeVar()
2468  b:someVar = &fdm
2469enddef
2470
2471def Test_expr7_option()
2472  # option
2473  set ts=11
2474  assert_equal(11, &ts)
2475  &ts = 9
2476  assert_equal(9, &ts)
2477  set ts=8
2478  set grepprg=some\ text
2479  assert_equal('some text', &grepprg)
2480  &grepprg = test_null_string()
2481  assert_equal('', &grepprg)
2482  set grepprg&
2483
2484  # check matching type
2485  var bval: bool = &tgc
2486  var nval: number = &ts
2487  var sval: string = &path
2488
2489  # check v_lock is cleared (requires using valgrind, doesn't always show)
2490  SetSomeVar()
2491  b:someVar = 0
2492  unlet b:someVar
2493enddef
2494
2495def Test_expr7_environment()
2496  # environment variable
2497  assert_equal('testvar', $TESTVAR)
2498  assert_equal('', $ASDF_ASD_XXX)
2499
2500  CheckDefFailure(["var x = $$$"], 'E1002:', 1)
2501enddef
2502
2503def Test_expr7_register()
2504  @a = 'register a'
2505  assert_equal('register a', @a)
2506
2507  var fname = expand('%')
2508  assert_equal(fname, @%)
2509
2510  feedkeys(":echo 'some'\<CR>", "xt")
2511  assert_equal("echo 'some'", @:)
2512
2513  normal axyz
2514  assert_equal("xyz", @.)
2515  CheckDefFailure(["@. = 'yes'"], 'E354:', 1)
2516
2517  @/ = 'slash'
2518  assert_equal('slash', @/)
2519
2520  @= = 'equal'
2521  assert_equal('equal', @=)
2522enddef
2523
2524def Test_expr7_namespace()
2525  g:some_var = 'some'
2526  assert_equal('some', get(g:, 'some_var'))
2527  assert_equal('some', get(g:, 'some_var', 'xxx'))
2528  assert_equal('xxx', get(g:, 'no_var', 'xxx'))
2529  unlet g:some_var
2530
2531  b:some_var = 'some'
2532  assert_equal('some', get(b:, 'some_var'))
2533  assert_equal('some', get(b:, 'some_var', 'xxx'))
2534  assert_equal('xxx', get(b:, 'no_var', 'xxx'))
2535  unlet b:some_var
2536
2537  w:some_var = 'some'
2538  assert_equal('some', get(w:, 'some_var'))
2539  assert_equal('some', get(w:, 'some_var', 'xxx'))
2540  assert_equal('xxx', get(w:, 'no_var', 'xxx'))
2541  unlet w:some_var
2542
2543  t:some_var = 'some'
2544  assert_equal('some', get(t:, 'some_var'))
2545  assert_equal('some', get(t:, 'some_var', 'xxx'))
2546  assert_equal('xxx', get(t:, 'no_var', 'xxx'))
2547  unlet t:some_var
2548
2549  # check using g: in a for loop more than DO_NOT_FREE_CNT times
2550  for i in range(100000)
2551    if has_key(g:, 'does-not-exist')
2552    endif
2553  endfor
2554enddef
2555
2556def Test_expr7_parens()
2557  # (expr)
2558  var lines =<< trim END
2559      assert_equal(4, (6 * 4) / 6)
2560      assert_equal(0, 6 * ( 4 / 6 ))
2561
2562      assert_equal(6, +6)
2563      assert_equal(-6, -6)
2564      assert_equal(false, !-3)
2565      assert_equal(true, !+0)
2566
2567      assert_equal(7, 5 + (
2568                    2))
2569      assert_equal(7, 5 + (
2570                    2
2571                    ))
2572      assert_equal(7, 5 + ( # comment
2573                    2))
2574      assert_equal(7, 5 + ( # comment
2575                    # comment
2576                    2))
2577
2578      var s = (
2579		'one'
2580		..
2581		'two'
2582		)
2583      assert_equal('onetwo', s)
2584  END
2585  CheckDefAndScriptSuccess(lines)
2586enddef
2587
2588def Test_expr7_negate_add()
2589  assert_equal(-99, -99)
2590  assert_equal(-99, - 99)
2591  assert_equal(99, +99)
2592
2593  var nr = 88
2594  assert_equal(-88, -nr)
2595  assert_equal(-88, - nr)
2596  assert_equal(88, + nr)
2597
2598  var lines =<< trim END
2599    var n = 12
2600    echo ++n
2601  END
2602  CheckDefAndScriptFailure(lines, 'E15:')
2603  lines =<< trim END
2604    var n = 12
2605    echo --n
2606  END
2607  CheckDefAndScriptFailure(lines, 'E15:')
2608  lines =<< trim END
2609    var n = 12
2610    echo +-n
2611  END
2612  CheckDefAndScriptFailure(lines, 'E15:')
2613  lines =<< trim END
2614    var n = 12
2615    echo -+n
2616  END
2617  CheckDefAndScriptFailure(lines, 'E15:')
2618  lines =<< trim END
2619    var n = 12
2620    echo - -n
2621  END
2622  CheckDefAndScriptFailure(lines, 'E15:')
2623  lines =<< trim END
2624    var n = 12
2625    echo + +n
2626  END
2627  CheckDefAndScriptFailure(lines, 'E15:')
2628
2629  lines =<< trim END
2630    var n = 12
2631    :1
2632    ++n
2633  END
2634  CheckDefAndScriptFailure(lines, 'E1050:')
2635  lines =<< trim END
2636    var n = 12
2637    :1
2638    --n
2639  END
2640  CheckDefAndScriptFailure(lines, 'E1050:')
2641enddef
2642
2643def Echo(arg: any): string
2644  return arg
2645enddef
2646
2647def s:Echo4Arg(arg: any): string
2648  return arg
2649enddef
2650
2651def Test_expr7_call()
2652  var lines =<< trim END
2653      assert_equal('yes', 'yes'->Echo())
2654      assert_equal(true, !range(5)->empty())
2655      assert_equal([0, 1, 2], 3->range())
2656  END
2657  CheckDefAndScriptSuccess(lines)
2658
2659  assert_equal('yes', 'yes'
2660                        ->s:Echo4Arg())
2661
2662  CheckDefFailure(["var x = 'yes'->Echo"], 'E107:', 1)
2663  CheckScriptFailure([
2664   "vim9script",
2665   "var x = substitute ('x', 'x', 'x', 'x')"
2666   ], 'E121:', 2)
2667  CheckDefFailure(["var Ref = function('len' [1, 2])"], 'E1123:', 1)
2668
2669  var auto_lines =<< trim END
2670      def g:some#func(): string
2671	return 'found'
2672      enddef
2673  END
2674  mkdir('Xruntime/autoload', 'p')
2675  writefile(auto_lines, 'Xruntime/autoload/some.vim')
2676  var save_rtp = &rtp
2677  &rtp = getcwd() .. '/Xruntime,' .. &rtp
2678  assert_equal('found', g:some#func())
2679  assert_equal('found', some#func())
2680
2681  &rtp = save_rtp
2682  delete('Xruntime', 'rf')
2683enddef
2684
2685def Test_expr7_method_call()
2686  new
2687  setline(1, ['first', 'last'])
2688  'second'->append(1)
2689  "third"->append(2)
2690  assert_equal(['first', 'second', 'third', 'last'], getline(1, '$'))
2691  bwipe!
2692
2693  var bufnr = bufnr()
2694  var loclist = [{bufnr: bufnr, lnum: 42, col: 17, text: 'wrong'}]
2695  loclist->setloclist(0)
2696  assert_equal([{bufnr: bufnr,
2697  		lnum: 42,
2698		col: 17,
2699		text: 'wrong',
2700		pattern: '',
2701		valid: 1,
2702		vcol: 0,
2703		nr: 0,
2704		type: '',
2705		module: ''}
2706		], getloclist(0))
2707
2708  var result: bool = get({n: 0}, 'n', 0)
2709  assert_equal(false, result)
2710
2711  assert_equal('+string+', 'string'->((s) => '+' .. s .. '+')())
2712  assert_equal('-text-', 'text'->((s, c) => c .. s .. c)('-'))
2713
2714  var Join = (l) => join(l, 'x')
2715  assert_equal('axb', ['a', 'b']->(Join)())
2716enddef
2717
2718
2719def Test_expr7_not()
2720  var lines =<< trim END
2721      assert_equal(true, !'')
2722      assert_equal(true, ![])
2723      assert_equal(false, !'asdf')
2724      assert_equal(false, ![2])
2725      assert_equal(true, !!'asdf')
2726      assert_equal(true, !![2])
2727
2728      assert_equal(true, ! false)
2729      assert_equal(true, !! true)
2730      assert_equal(true, ! ! true)
2731      assert_equal(true, !!! false)
2732      assert_equal(true, ! ! ! false)
2733
2734      g:true = true
2735      g:false = false
2736      assert_equal(true, ! g:false)
2737      assert_equal(true, !! g:true)
2738      assert_equal(true, ! ! g:true)
2739      assert_equal(true, !!! g:false)
2740      assert_equal(true, ! ! ! g:false)
2741      unlet g:true
2742      unlet g:false
2743
2744      assert_equal(true, !test_null_partial())
2745      assert_equal(false, !() => 'yes')
2746
2747      assert_equal(true, !test_null_dict())
2748      assert_equal(true, !{})
2749      assert_equal(false, !{yes: 'no'})
2750
2751      if has('channel')
2752	assert_equal(true, !test_null_job())
2753	assert_equal(true, !test_null_channel())
2754      endif
2755
2756      assert_equal(true, !test_null_blob())
2757      assert_equal(true, !0z)
2758      assert_equal(false, !0z01)
2759
2760      assert_equal(true, !test_void())
2761      assert_equal(true, !test_unknown())
2762
2763      assert_equal(false, ![1, 2, 3]->reverse())
2764      assert_equal(true, ![]->reverse())
2765  END
2766  CheckDefAndScriptSuccess(lines)
2767enddef
2768
2769func Test_expr7_fails()
2770  call CheckDefFailure(["var x = (12"], "E1097:", 3)
2771
2772  call CheckDefFailure(["var x = -'xx'"], "E1030:", 1)
2773  call CheckDefFailure(["var x = +'xx'"], "E1030:", 1)
2774  call CheckDefFailure(["var x = -0z12"], "E974:", 1)
2775  call CheckDefExecFailure(["var x = -[8]"], "E39:", 1)
2776  call CheckDefExecFailure(["var x = -{a: 1}"], "E39:", 1)
2777
2778  call CheckDefFailure(["var x = @"], "E1002:", 1)
2779  call CheckDefFailure(["var x = @<"], "E354:", 1)
2780
2781  call CheckDefFailure(["var x = [1, 2"], "E697:", 2)
2782  call CheckDefFailure(["var x = [notfound]"], "E1001:", 1)
2783
2784  call CheckDefFailure(["var X = () => 123)"], "E488:", 1)
2785  call CheckDefFailure(["var x = 123->((x) => x + 5)"], "E107:", 1)
2786
2787  call CheckDefFailure(["var x = &notexist"], 'E113:', 1)
2788  call CheckDefFailure(["&grepprg = [343]"], 'E1012:', 1)
2789
2790  call CheckDefExecFailure(["echo s:doesnt_exist"], 'E121:', 1)
2791  call CheckDefExecFailure(["echo g:doesnt_exist"], 'E121:', 1)
2792
2793  call CheckDefFailure(["echo a:somevar"], 'E1075:', 1)
2794  call CheckDefFailure(["echo l:somevar"], 'E1075:', 1)
2795  call CheckDefFailure(["echo x:somevar"], 'E1075:', 1)
2796
2797  call CheckDefExecFailure(["var x = +g:astring"], 'E1030:', 1)
2798  call CheckDefExecFailure(["var x = +g:ablob"], 'E974:', 1)
2799  call CheckDefExecFailure(["var x = +g:alist"], 'E745:', 1)
2800  call CheckDefExecFailure(["var x = +g:adict"], 'E728:', 1)
2801
2802  call CheckDefFailure(["var x = ''", "var y = x.memb"], 'E715:', 2)
2803
2804  call CheckDefFailure(["'yes'->", "Echo()"], 'E488: Trailing characters: ->', 1)
2805
2806  call CheckDefExecFailure(["[1, 2->len()"], 'E697:', 2)
2807  call CheckDefExecFailure(["{a: 1->len()"], 'E723:', 2)
2808  call CheckDefExecFailure(["{['a']: 1->len()"], 'E723:', 2)
2809endfunc
2810
2811let g:Funcrefs = [function('add')]
2812
2813func CallMe(arg)
2814  return a:arg
2815endfunc
2816
2817func CallMe2(one, two)
2818  return a:one .. a:two
2819endfunc
2820
2821def Test_expr7_trailing()
2822  # user function call
2823  assert_equal(123, g:CallMe(123))
2824  assert_equal(123, g:CallMe(  123))
2825  assert_equal(123, g:CallMe(123  ))
2826  assert_equal('yesno', g:CallMe2('yes', 'no'))
2827  assert_equal('yesno', g:CallMe2( 'yes', 'no' ))
2828  assert_equal('nothing', g:CallMe('nothing'))
2829
2830  # partial call
2831  var Part = function('g:CallMe')
2832  assert_equal('yes', Part('yes'))
2833
2834  # funcref call, using list index
2835  var l = []
2836  g:Funcrefs[0](l, 2)
2837  assert_equal([2], l)
2838
2839  # method call
2840  l = [2, 5, 6]
2841  l->map((k, v) => k + v)
2842  assert_equal([2, 6, 8], l)
2843
2844  # lambda method call
2845  l = [2, 5]
2846  l->((l) => add(l, 8))()
2847  assert_equal([2, 5, 8], l)
2848
2849  # dict member
2850  var d = {key: 123}
2851  assert_equal(123, d.key)
2852enddef
2853
2854def Test_expr7_string_subscript()
2855  var lines =<< trim END
2856    var text = 'abcdef'
2857    assert_equal('f', text[-1])
2858    assert_equal('a', text[0])
2859    assert_equal('e', text[4])
2860    assert_equal('f', text[5])
2861    assert_equal('', text[6])
2862
2863    text = 'ábçdë'
2864    assert_equal('ë', text[-1])
2865    assert_equal('d', text[-2])
2866    assert_equal('ç', text[-3])
2867    assert_equal('b', text[-4])
2868    assert_equal('á', text[-5])
2869    assert_equal('', text[-6])
2870
2871    text = 'ábçdëf'
2872    assert_equal('', text[-999])
2873    assert_equal('f', text[-1])
2874    assert_equal('á', text[0])
2875    assert_equal('b', text[1])
2876    assert_equal('ç', text[2])
2877    assert_equal('d', text[3])
2878    assert_equal('ë', text[4])
2879    assert_equal('f', text[5])
2880    assert_equal('', text[6])
2881    assert_equal('', text[999])
2882
2883    assert_equal('ábçdëf', text[0 : -1])
2884    assert_equal('ábçdëf', text[0 : -1])
2885    assert_equal('ábçdëf', text[0 : -1])
2886    assert_equal('ábçdëf', text[0 : -1])
2887    assert_equal('ábçdëf', text[0
2888                  : -1])
2889    assert_equal('ábçdëf', text[0 :
2890                  -1])
2891    assert_equal('ábçdëf', text[0 : -1
2892                  ])
2893    assert_equal('bçdëf', text[1 : -1])
2894    assert_equal('çdëf', text[2 : -1])
2895    assert_equal('dëf', text[3 : -1])
2896    assert_equal('ëf', text[4 : -1])
2897    assert_equal('f', text[5 : -1])
2898    assert_equal('', text[6 : -1])
2899    assert_equal('', text[999 : -1])
2900
2901    assert_equal('ábçd', text[: 3])
2902    assert_equal('bçdëf', text[1 :])
2903    assert_equal('ábçdëf', text[:])
2904  END
2905  CheckDefSuccess(lines)
2906  CheckScriptSuccess(['vim9script'] + lines)
2907
2908  lines =<< trim END
2909      var d = 'asdf'[1 :
2910  END
2911  CheckDefFailure(lines, 'E1097:', 3)
2912  lines =<< trim END
2913      var d = 'asdf'[1 : xxx]
2914  END
2915  CheckDefFailure(lines, 'E1001:', 1)
2916  lines =<< trim END
2917      var d = 'asdf'[1 : 2
2918  END
2919  CheckDefFailure(lines, 'E1097:', 3)
2920  lines =<< trim END
2921      var d = 'asdf'[1 : 2
2922      echo d
2923  END
2924  CheckDefFailure(lines, 'E111:', 2)
2925  lines =<< trim END
2926      var d = 'asdf'['1']
2927      echo d
2928  END
2929  CheckDefFailure(lines, 'E1012: Type mismatch; expected number but got string', 1)
2930  lines =<< trim END
2931      var d = 'asdf'['1' : 2]
2932      echo d
2933  END
2934  CheckDefFailure(lines, 'E1012: Type mismatch; expected number but got string', 1)
2935  lines =<< trim END
2936      var d = 'asdf'[1 : '2']
2937      echo d
2938  END
2939  CheckDefFailure(lines, 'E1012: Type mismatch; expected number but got string', 1)
2940enddef
2941
2942def Test_expr7_list_subscript()
2943  var lines =<< trim END
2944    var list = [0, 1, 2, 3, 4]
2945    assert_equal(0, list[0])
2946    assert_equal(4, list[4])
2947    assert_equal(4, list[-1])
2948    assert_equal(0, list[-5])
2949
2950    assert_equal([0, 1, 2, 3, 4], list[0 : 4])
2951    assert_equal([0, 1, 2, 3, 4], list[:])
2952    assert_equal([1, 2, 3, 4], list[1 :])
2953    assert_equal([2, 3, 4], list[2 : -1])
2954    assert_equal([4], list[4 : -1])
2955    assert_equal([], list[5 : -1])
2956    assert_equal([], list[999 : -1])
2957    assert_equal([1, 2, 3, 4], list[g:theone : g:thefour])
2958
2959    assert_equal([0, 1, 2, 3], list[0 : 3])
2960    assert_equal([0], list[0 : 0])
2961    assert_equal([0, 1, 2, 3, 4], list[0 : -1])
2962    assert_equal([0, 1, 2], list[0 : -3])
2963    assert_equal([0], list[0 : -5])
2964    assert_equal([], list[0 : -6])
2965    assert_equal([], list[0 : -99])
2966  END
2967  CheckDefAndScriptSuccess(lines)
2968
2969  lines = ['var l = [0, 1, 2]', 'echo l[g:astring : g:theone]']
2970  CheckDefExecFailure(lines, 'E1012:')
2971  CheckScriptFailure(['vim9script'] + lines, 'E1030:', 3)
2972
2973  lines =<< trim END
2974      vim9script
2975      var ld = []
2976      def Func()
2977        eval ld[0].key
2978      enddef
2979      defcompile
2980  END
2981  CheckScriptSuccess(lines)
2982enddef
2983
2984def Test_expr7_dict_subscript()
2985  var lines =<< trim END
2986      vim9script
2987      var l = [{lnum: 2}, {lnum: 1}]
2988      var res = l[0].lnum > l[1].lnum
2989      assert_true(res)
2990
2991      var dd = {}
2992      def Func1()
2993        eval dd.key1.key2
2994      enddef
2995      def Func2()
2996        eval dd['key1'].key2
2997      enddef
2998      defcompile
2999  END
3000  CheckScriptSuccess(lines)
3001enddef
3002
3003def Test_expr7_subscript_linebreak()
3004  var range = range(
3005  		3)
3006  var l = range
3007	->mapnew('string(v:key)')
3008  assert_equal(['0', '1', '2'], l)
3009
3010  l = range
3011  	->mapnew('string(v:key)')
3012  assert_equal(['0', '1', '2'], l)
3013
3014  l = range # comment
3015  	->mapnew('string(v:key)')
3016  assert_equal(['0', '1', '2'], l)
3017
3018  l = range
3019
3020  	->mapnew('string(v:key)')
3021  assert_equal(['0', '1', '2'], l)
3022
3023  l = range
3024	# comment
3025  	->mapnew('string(v:key)')
3026  assert_equal(['0', '1', '2'], l)
3027
3028  assert_equal('1', l[
3029	1])
3030
3031  var d = {one: 33}
3032  assert_equal(33, d.
3033	one)
3034enddef
3035
3036func Test_expr7_trailing_fails()
3037  call CheckDefFailure(['var l = [2]', 'l->((l) => add(l, 8))'], 'E107:', 2)
3038  call CheckDefFailure(['var l = [2]', 'l->((l) => add(l, 8)) ()'], 'E274:', 2)
3039endfunc
3040
3041func Test_expr_fails()
3042  call CheckDefFailure(["var x = '1'is2"], 'E488:', 1)
3043  call CheckDefFailure(["var x = '1'isnot2"], 'E488:', 1)
3044
3045  call CheckDefFailure(["CallMe ('yes')"], 'E476:', 1)
3046  call CheckScriptFailure(["CallMe ('yes')"], 'E492:', 1)
3047  call CheckDefAndScriptFailure(["CallMe2('yes','no')"], 'E1069:', 1)
3048  call CheckDefFailure(["CallMe2('yes' , 'no')"], 'E1068:', 1)
3049
3050  call CheckDefFailure(["v:nosuch += 3"], 'E1001:', 1)
3051  call CheckDefFailure(["var v:statusmsg = ''"], 'E1016: Cannot declare a v: variable:', 1)
3052  call CheckDefFailure(["var asdf = v:nosuch"], 'E1001:', 1)
3053
3054  call CheckDefFailure(["echo len('asdf'"], 'E110:', 2)
3055  call CheckDefFailure(["echo Func0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789()"], 'E1011:', 1)
3056  call CheckDefFailure(["echo doesnotexist()"], 'E117:', 1)
3057endfunc
3058
3059" vim: shiftwidth=2 sts=2 expandtab
3060