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)
1257
1258  lines =<< trim END
1259      vim9script
1260      new
1261      ['']->setline(1)
1262      /pattern
1263
1264      eval 0
1265      bwipe!
1266  END
1267  CheckScriptFailure(lines, "E1004: White space required before and after '/' at \"/pattern")
1268enddef
1269
1270def Test_expr5_vim9script_channel()
1271  if !has('channel')
1272    MissingFeature 'float'
1273  else
1274    var lines =<< trim END
1275        vim9script
1276        echo 'a' .. test_null_job()
1277    END
1278    CheckScriptFailure(lines, 'E908:', 2)
1279    lines =<< trim END
1280        vim9script
1281        echo 'a' .. test_null_channel()
1282    END
1283    CheckScriptFailure(lines, 'E908:', 2)
1284  endif
1285enddef
1286
1287def Test_expr5_float()
1288  if !has('float')
1289    MissingFeature 'float'
1290  else
1291    var lines =<< trim END
1292        assert_equal(66.0, 60.0 + 6.0)
1293        assert_equal(66.0, 60.0 + 6)
1294        assert_equal(66.0, 60 +
1295                             6.0)
1296        assert_equal(5.1, g:afloat
1297                            + 5)
1298        assert_equal(8.1, 8 + g:afloat)
1299        assert_equal(10.1, g:anint + g:afloat)
1300        assert_equal(10.1, g:afloat + g:anint)
1301
1302        assert_equal(54.0, 60.0 - 6.0)
1303        assert_equal(54.0, 60.0
1304                                - 6)
1305        assert_equal(54.0, 60 - 6.0)
1306        assert_equal(-4.9, g:afloat - 5)
1307        assert_equal(7.9, 8 - g:afloat)
1308        assert_equal(9.9, g:anint - g:afloat)
1309        assert_equal(-9.9, g:afloat - g:anint)
1310    END
1311    CheckDefAndScriptSuccess(lines)
1312  endif
1313enddef
1314
1315func Test_expr5_fails()
1316  let msg = "White space required before and after '+'"
1317  call CheckDefFailure(["var x = 1+2"], msg, 1)
1318  call CheckDefFailure(["var x = 1 +2"], msg, 1)
1319  call CheckDefFailure(["var x = 1+ 2"], msg, 1)
1320
1321  let msg = "White space required before and after '-'"
1322  call CheckDefFailure(["var x = 1-2"], msg, 1)
1323  call CheckDefFailure(["var x = 1 -2"], msg, 1)
1324  call CheckDefFailure(["var x = 1- 2"], msg, 1)
1325
1326  let msg = "White space required before and after '..'"
1327  call CheckDefFailure(["var x = '1'..'2'"], msg, 1)
1328  call CheckDefFailure(["var x = '1' ..'2'"], msg, 1)
1329  call CheckDefFailure(["var x = '1'.. '2'"], msg, 1)
1330
1331  call CheckDefFailure(["var x = 0z1122 + 33"], 'E1051:', 1)
1332  call CheckDefFailure(["var x = 0z1122 + [3]"], 'E1051:', 1)
1333  call CheckDefFailure(["var x = 0z1122 + 'asd'"], 'E1051:', 1)
1334  call CheckDefFailure(["var x = 33 + 0z1122"], 'E1051:', 1)
1335  call CheckDefFailure(["var x = [3] + 0z1122"], 'E1051:', 1)
1336  call CheckDefFailure(["var x = 'asdf' + 0z1122"], 'E1051:', 1)
1337  call CheckDefFailure(["var x = 6 + xxx"], 'E1001:', 1)
1338
1339  call CheckDefFailure(["var x = 'a' .. [1]"], 'E1105:', 1)
1340  call CheckDefFailure(["var x = 'a' .. {a: 1}"], 'E1105:', 1)
1341  call CheckDefFailure(["var x = 'a' .. test_void()"], 'E1105:', 1)
1342  call CheckDefFailure(["var x = 'a' .. 0z32"], 'E1105:', 1)
1343  call CheckDefFailure(["var x = 'a' .. function('len')"], 'E1105:', 1)
1344  call CheckDefFailure(["var x = 'a' .. function('len', ['a'])"], 'E1105:', 1)
1345
1346  call CheckScriptFailure(['vim9script', 'var x = 1 + v:none'], 'E611:', 2)
1347  call CheckScriptFailure(['vim9script', 'var x = 1 + v:null'], 'E611:', 2)
1348  call CheckScriptFailure(['vim9script', 'var x = 1 + v:true'], 'E1138:', 2)
1349  call CheckScriptFailure(['vim9script', 'var x = 1 + v:false'], 'E1138:', 2)
1350  call CheckScriptFailure(['vim9script', 'var x = 1 + true'], 'E1138:', 2)
1351  call CheckScriptFailure(['vim9script', 'var x = 1 + false'], 'E1138:', 2)
1352endfunc
1353
1354func Test_expr5_fails_channel()
1355  CheckFeature channel
1356  call CheckDefFailure(["var x = 'a' .. test_null_job()"], 'E1105:', 1)
1357  call CheckDefFailure(["var x = 'a' .. test_null_channel()"], 'E1105:', 1)
1358endfunc
1359
1360def Test_expr5_list_add()
1361  # concatenating two lists with same member types is OK
1362  var d = {}
1363  for i in ['a'] + ['b']
1364    d = {[i]: 0}
1365  endfor
1366
1367  # concatenating two lists with different member types results in "any"
1368  var dany = {}
1369  for i in ['a'] + [12]
1370    dany[i] = i
1371  endfor
1372  assert_equal({a: 'a', 12: 12}, dany)
1373enddef
1374
1375" test multiply, divide, modulo
1376def Test_expr6()
1377  var lines =<< trim END
1378      assert_equal(36, 6 * 6)
1379      assert_equal(24, 6 *
1380                            g:thefour)
1381      assert_equal(24, g:thefour
1382                            * 6)
1383      assert_equal(40, g:anint * g:thefour)
1384
1385      assert_equal(10, 60 / 6)
1386      assert_equal(6, 60 /
1387                            g:anint)
1388      assert_equal(1, g:anint / 6)
1389      assert_equal(2, g:anint
1390                            / g:thefour)
1391
1392      assert_equal(5, 11 % 6)
1393      assert_equal(4, g:anint % 6)
1394      assert_equal(3, 13 %
1395                            g:anint)
1396      assert_equal(2, g:anint
1397                            % g:thefour)
1398
1399      assert_equal(4, 6 * 4 / 6)
1400
1401      var x = [2]
1402      var y = [3]
1403      assert_equal(5, x[0] + y[0])
1404      assert_equal(6, x[0] * y[0])
1405      if has('float')
1406        var xf = [2.0]
1407        var yf = [3.0]
1408        assert_equal(5.0, xf[0]
1409                            + yf[0])
1410        assert_equal(6.0, xf[0]
1411                            * yf[0])
1412      endif
1413  END
1414  CheckDefAndScriptSuccess(lines)
1415
1416  CheckDefFailure(["var x = 6 * xxx"], 'E1001:', 1)
1417  CheckDefFailure(["var d = 6 * "], 'E1097:', 3)
1418
1419  CheckDefExecAndScriptFailure(['echo 1 / 0'], 'E1154', 1)
1420  CheckDefExecAndScriptFailure(['echo 1 % 0'], 'E1154', 1)
1421enddef
1422
1423def Test_expr6_vim9script()
1424  # check line continuation
1425  var lines =<< trim END
1426      vim9script
1427      var name = 11
1428      		* 22
1429		/ 3
1430      assert_equal(80, name)
1431  END
1432  CheckScriptSuccess(lines)
1433
1434  lines =<< trim END
1435      vim9script
1436      var name = 25
1437      		% 10
1438      assert_equal(5, name)
1439  END
1440  CheckScriptSuccess(lines)
1441
1442  lines =<< trim END
1443      vim9script
1444      var name = 25
1445                # comment
1446
1447                # comment
1448      		% 10
1449      assert_equal(5, name)
1450  END
1451  CheckScriptSuccess(lines)
1452
1453  lines =<< trim END
1454      vim9script
1455      var name = 11 *
1456      		22 /
1457		3
1458      assert_equal(80, name)
1459  END
1460  CheckScriptSuccess(lines)
1461
1462  # check white space
1463  lines =<< trim END
1464      vim9script
1465      echo 5*6
1466  END
1467  CheckScriptFailure(lines, 'E1004:', 2)
1468  lines =<< trim END
1469      vim9script
1470      echo 5 *6
1471  END
1472  CheckScriptFailure(lines, 'E1004:', 2)
1473  lines =<< trim END
1474      vim9script
1475      echo 5* 6
1476  END
1477  CheckScriptFailure(lines, 'E1004:', 2)
1478enddef
1479
1480def Test_expr6_float()
1481  if !has('float')
1482    MissingFeature 'float'
1483  else
1484    var lines =<< trim END
1485        assert_equal(36.0, 6.0 * 6)
1486        assert_equal(36.0, 6 *
1487                               6.0)
1488        assert_equal(36.0, 6.0 * 6.0)
1489        assert_equal(1.0, g:afloat * g:anint)
1490
1491        assert_equal(10.0, 60 / 6.0)
1492        assert_equal(10.0, 60.0 /
1493                            6)
1494        assert_equal(10.0, 60.0 / 6.0)
1495        assert_equal(0.01, g:afloat / g:anint)
1496
1497        assert_equal(4.0, 6.0 * 4 / 6)
1498        assert_equal(4.0, 6 *
1499                            4.0 /
1500                            6)
1501        assert_equal(4.0, 6 * 4 / 6.0)
1502        assert_equal(4.0, 6.0 * 4.0 / 6)
1503        assert_equal(4.0, 6 * 4.0 / 6.0)
1504        assert_equal(4.0, 6.0 * 4 / 6.0)
1505        assert_equal(4.0, 6.0 * 4.0 / 6.0)
1506
1507        assert_equal(4.0, 6.0 * 4.0 / 6.0)
1508    END
1509    CheckDefAndScriptSuccess(lines)
1510  endif
1511enddef
1512
1513func Test_expr6_fails()
1514  let msg = "White space required before and after '*'"
1515  call CheckDefFailure(["var x = 1*2"], msg, 1)
1516  call CheckDefFailure(["var x = 1 *2"], msg, 1)
1517  call CheckDefFailure(["var x = 1* 2"], msg, 1)
1518
1519  let msg = "White space required before and after '/'"
1520  call CheckDefFailure(["var x = 1/2"], msg, 1)
1521  call CheckDefFailure(["var x = 1 /2"], msg, 1)
1522  call CheckDefFailure(["var x = 1/ 2"], msg, 1)
1523
1524  let msg = "White space required before and after '%'"
1525  call CheckDefFailure(["var x = 1%2"], msg, 1)
1526  call CheckDefFailure(["var x = 1 %2"], msg, 1)
1527  call CheckDefFailure(["var x = 1% 2"], msg, 1)
1528
1529  call CheckDefFailure(["var x = '1' * '2'"], 'E1036:', 1)
1530  call CheckDefFailure(["var x = '1' / '2'"], 'E1036:', 1)
1531  call CheckDefFailure(["var x = '1' % '2'"], 'E1035:', 1)
1532
1533  call CheckDefFailure(["var x = 0z01 * 0z12"], 'E1036:', 1)
1534  call CheckDefFailure(["var x = 0z01 / 0z12"], 'E1036:', 1)
1535  call CheckDefFailure(["var x = 0z01 % 0z12"], 'E1035:', 1)
1536
1537  call CheckDefFailure(["var x = [1] * [2]"], 'E1036:', 1)
1538  call CheckDefFailure(["var x = [1] / [2]"], 'E1036:', 1)
1539  call CheckDefFailure(["var x = [1] % [2]"], 'E1035:', 1)
1540
1541  call CheckDefFailure(["var x = {one: 1} * {two: 2}"], 'E1036:', 1)
1542  call CheckDefFailure(["var x = {one: 1} / {two: 2}"], 'E1036:', 1)
1543  call CheckDefFailure(["var x = {one: 1} % {two: 2}"], 'E1035:', 1)
1544
1545  call CheckDefFailure(["var x = 0xff[1]"], 'E1107:', 1)
1546  if has('float')
1547    call CheckDefFailure(["var x = 0.7[1]"], 'E1107:', 1)
1548  endif
1549endfunc
1550
1551func Test_expr6_float_fails()
1552  CheckFeature float
1553  call CheckDefFailure(["var x = 1.0 % 2"], 'E1035:', 1)
1554endfunc
1555
1556" define here to use old style parsing
1557if has('float')
1558  let g:float_zero = 0.0
1559  let g:float_neg = -9.8
1560  let g:float_big = 9.9e99
1561endif
1562let g:blob_empty = 0z
1563let g:blob_one = 0z01
1564let g:blob_long = 0z0102.0304
1565
1566let g:string_empty = ''
1567let g:string_short = 'x'
1568let g:string_long = 'abcdefghijklm'
1569let g:string_special = "ab\ncd\ref\ekk"
1570
1571let g:special_true = v:true
1572let g:special_false = v:false
1573let g:special_null = v:null
1574let g:special_none = v:none
1575
1576let g:list_empty = []
1577let g:list_mixed = [1, 'b', v:false]
1578
1579let g:dict_empty = {}
1580let g:dict_one = #{one: 1}
1581
1582let $TESTVAR = 'testvar'
1583
1584" type casts
1585def Test_expr7t()
1586  var ls: list<string> = ['a', <string>g:string_empty]
1587  var ln: list<number> = [<number>g:anint, <number>g:thefour]
1588  var nr = <number>234
1589  assert_equal(234, nr)
1590
1591  CheckDefFailure(["var x = <nr>123"], 'E1010:', 1)
1592  CheckDefFailure(["var x = <number>"], 'E1097:', 3)
1593  CheckDefFailure(["var x = <number >123"], 'E1068:', 1)
1594  CheckDefFailure(["var x = <number 123"], 'E1104:', 1)
1595enddef
1596
1597" test low level expression
1598def Test_expr7_number()
1599  # number constant
1600  var lines =<< trim END
1601      assert_equal(0, 0)
1602      assert_equal(654, 0654)
1603
1604      assert_equal(6, 0x6)
1605      assert_equal(15, 0xf)
1606      assert_equal(255, 0xff)
1607  END
1608  CheckDefAndScriptSuccess(lines)
1609enddef
1610
1611def Test_expr7_float()
1612  # float constant
1613  if !has('float')
1614    MissingFeature 'float'
1615  else
1616    var lines =<< trim END
1617        assert_equal(g:float_zero, .0)
1618        assert_equal(g:float_zero, 0.0)
1619        assert_equal(g:float_neg, -9.8)
1620        assert_equal(g:float_big, 9.9e99)
1621    END
1622    CheckDefAndScriptSuccess(lines)
1623  endif
1624enddef
1625
1626def Test_expr7_blob()
1627  # blob constant
1628  var lines =<< trim END
1629      assert_equal(g:blob_empty, 0z)
1630      assert_equal(g:blob_one, 0z01)
1631      assert_equal(g:blob_long, 0z0102.0304)
1632  END
1633  CheckDefAndScriptSuccess(lines)
1634
1635  CheckDefFailure(["var x = 0z123"], 'E973:', 1)
1636enddef
1637
1638def Test_expr7_string()
1639  # string constant
1640  var lines =<< trim END
1641      assert_equal(g:string_empty, '')
1642      assert_equal(g:string_empty, "")
1643      assert_equal(g:string_short, 'x')
1644      assert_equal(g:string_short, "x")
1645      assert_equal(g:string_long, 'abcdefghijklm')
1646      assert_equal(g:string_long, "abcdefghijklm")
1647      assert_equal(g:string_special, "ab\ncd\ref\ekk")
1648  END
1649  CheckDefAndScriptSuccess(lines)
1650
1651  CheckDefFailure(['var x = "abc'], 'E114:', 1)
1652  CheckDefFailure(["var x = 'abc"], 'E115:', 1)
1653enddef
1654
1655def Test_expr7_vimvar()
1656  var old: list<string> = v:oldfiles
1657  var compl: dict<any> = v:completed_item
1658
1659  CheckDefFailure(["var old: list<number> = v:oldfiles"], 'E1012: Type mismatch; expected list<number> but got list<string>', 1)
1660  new
1661  exec "normal! afoo fo\<C-N>\<Esc>"
1662  CheckDefExecFailure(["var old: dict<number> = v:completed_item"], 'E1012: Type mismatch; expected dict<number> but got dict<string>', 1)
1663  bwipe!
1664enddef
1665
1666def Test_expr7_special()
1667  # special constant
1668  var lines =<< trim END
1669      assert_equal(g:special_true, true)
1670      assert_equal(g:special_false, false)
1671      assert_equal(g:special_true, v:true)
1672      assert_equal(g:special_false, v:false)
1673      assert_equal(v:true, true)
1674      assert_equal(v:false, false)
1675
1676      assert_equal(true, !false)
1677      assert_equal(false, !true)
1678      assert_equal(true, !0)
1679      assert_equal(false, !1)
1680      assert_equal(false, !!false)
1681      assert_equal(true, !!true)
1682      assert_equal(false, !!0)
1683      assert_equal(true, !!1)
1684
1685      var t = true
1686      var f = false
1687      assert_equal(true, t)
1688      assert_equal(false, f)
1689
1690      assert_equal(g:special_null, v:null)
1691      assert_equal(g:special_null, null)
1692      assert_equal(g:special_none, v:none)
1693  END
1694  CheckDefAndScriptSuccess(lines)
1695
1696  CheckDefFailure(['v:true = true'], 'E46:', 1)
1697  CheckDefFailure(['v:true = false'], 'E46:', 1)
1698  CheckDefFailure(['v:false = true'], 'E46:', 1)
1699  CheckDefFailure(['v:null = 11'], 'E46:', 1)
1700  CheckDefFailure(['v:none = 22'], 'E46:', 1)
1701enddef
1702
1703def Test_expr7_list()
1704  # list
1705  var lines =<< trim END
1706      assert_equal(g:list_empty, [])
1707      assert_equal(g:list_empty, [  ])
1708
1709      var numbers: list<number> = [1, 2, 3]
1710      numbers = [1]
1711      numbers = []
1712
1713      var strings: list<string> = ['a', 'b', 'c']
1714      strings = ['x']
1715      strings = []
1716
1717      var mixed: list<any> = [1, 'b', false,]
1718      assert_equal(g:list_mixed, mixed)
1719      assert_equal('b', mixed[1])
1720
1721      echo [1,
1722            2] [3,
1723                    4]
1724
1725      var llstring: list<list<string>> = [['text'], []]
1726      llstring = [[], ['text']]
1727      llstring = [[], []]
1728  END
1729  CheckDefAndScriptSuccess(lines)
1730
1731  var rangelist: list<number> = range(3)
1732  g:rangelist = range(3)
1733  CheckDefExecFailure(["var x: list<string> = g:rangelist"], 'E1012: Type mismatch; expected list<string> but got list<number>', 1)
1734
1735  CheckDefFailure(["var x = 1234[3]"], 'E1107:', 1)
1736  CheckDefExecFailure(["var x = g:anint[3]"], 'E1062:', 1)
1737
1738  CheckDefFailure(["var x = g:list_mixed[xxx]"], 'E1001:', 1)
1739
1740  CheckDefFailure(["var x = [1,2,3]"], 'E1069:', 1)
1741  CheckDefFailure(["var x = [1 ,2, 3]"], 'E1068:', 1)
1742
1743  CheckDefExecFailure(["echo 1", "var x = [][0]", "echo 3"], 'E684:', 2)
1744
1745  CheckDefExecFailure(["var x = g:list_mixed['xx']"], 'E1012:', 1)
1746  CheckDefFailure(["var x = g:list_mixed["], 'E1097:', 3)
1747  CheckDefFailure(["var x = g:list_mixed[0"], 'E1097:', 3)
1748  CheckDefExecFailure(["var x = g:list_empty[3]"], 'E684:', 1)
1749  CheckDefExecFailure(["var l: list<number> = [234, 'x']"], 'E1012:', 1)
1750  CheckDefExecFailure(["var l: list<number> = ['x', 234]"], 'E1012:', 1)
1751  CheckDefExecFailure(["var l: list<string> = [234, 'x']"], 'E1012:', 1)
1752  CheckDefExecFailure(["var l: list<string> = ['x', 123]"], 'E1012:', 1)
1753
1754  lines =<< trim END
1755      vim9script
1756      var datalist: list<string>
1757      def Main()
1758        datalist += ['x'.
1759      enddef
1760      Main()
1761  END
1762  CheckScriptFailure(lines, 'E1127:')
1763
1764  lines =<< trim END
1765      var numbers = [1, 2, 3, 4]
1766      var a = 1
1767      var b = 2
1768  END
1769  CheckDefAndScriptFailure(lines + ['echo numbers[1:b]'],
1770      'E1004: White space required before and after '':'' at ":b]"', 4)
1771  CheckDefAndScriptFailure(lines + ['echo numbers[1: b]'], 'E1004:', 4)
1772  CheckDefAndScriptFailure(lines + ['echo numbers[a :b]'], 'E1004:', 4)
1773enddef
1774
1775def Test_expr7_list_vim9script()
1776  var lines =<< trim END
1777      vim9script
1778      var l = [
1779		11,
1780		22,
1781		]
1782      assert_equal([11, 22], l)
1783
1784      echo [1,
1785	    2] [3,
1786		    4]
1787
1788      echo [1, # comment
1789            # comment
1790	    2] [3,
1791            # comment
1792		    4]
1793  END
1794  CheckScriptSuccess(lines)
1795
1796  lines =<< trim END
1797      vim9script
1798      var l = [11,
1799		22]
1800      assert_equal([11, 22], l)
1801  END
1802  CheckScriptSuccess(lines)
1803
1804  lines =<< trim END
1805      vim9script
1806      var l = [11,22]
1807  END
1808  CheckScriptFailure(lines, 'E1069:', 2)
1809
1810  lines =<< trim END
1811      vim9script
1812      var l = [11 , 22]
1813  END
1814  CheckScriptFailure(lines, 'E1068:', 2)
1815
1816  lines =<< trim END
1817    vim9script
1818    var l: list<number> = [234, 'x']
1819  END
1820  CheckScriptFailure(lines, 'E1012:', 2)
1821  lines =<< trim END
1822    vim9script
1823    var l: list<number> = ['x', 234]
1824  END
1825  CheckScriptFailure(lines, 'E1012:', 2)
1826  lines =<< trim END
1827    vim9script
1828    var l: list<string> = ['x', 234]
1829  END
1830  CheckScriptFailure(lines, 'E1012:', 2)
1831  lines =<< trim END
1832    vim9script
1833    var l: list<string> = [234, 'x']
1834  END
1835  CheckScriptFailure(lines, 'E1012:', 2)
1836
1837  lines =<< trim END
1838      vim9script
1839      def Failing()
1840        job_stop()
1841      enddef
1842      var list = [Failing]
1843  END
1844  if has('channel')
1845    CheckScriptFailure(lines, 'E119:', 1)
1846  else
1847    CheckScriptFailure(lines, 'E117:', 1)
1848  endif
1849enddef
1850
1851def LambdaWithComments(): func
1852  return (x) =>
1853            # some comment
1854            x == 1
1855            # some comment
1856            ||
1857            x == 2
1858enddef
1859
1860def LambdaUsingArg(x: number): func
1861  return () =>
1862            # some comment
1863            x == 1
1864            # some comment
1865            ||
1866            x == 2
1867enddef
1868
1869def Test_expr7_lambda()
1870  var lines =<< trim END
1871      var La = () => 'result'
1872      assert_equal('result', La())
1873      assert_equal([1, 3, 5], [1, 2, 3]->map((key, val) => key + val))
1874
1875      # line continuation inside lambda with "cond ? expr : expr" works
1876      var ll = range(3)
1877      var dll = mapnew(ll, (k, v) => v % 2 ? {
1878                ['111']: 111 } : {}
1879            )
1880      assert_equal([{}, {111: 111}, {}], dll)
1881
1882      ll = range(3)
1883      map(ll, (k, v) => v == 8 || v
1884                    == 9
1885                    || v % 2 ? 111 : 222
1886            )
1887      assert_equal([222, 111, 222], ll)
1888
1889      ll = range(3)
1890      map(ll, (k, v) => v != 8 && v
1891                    != 9
1892                    && v % 2 == 0 ? 111 : 222
1893            )
1894      assert_equal([111, 222, 111], ll)
1895
1896      var dl = [{key: 0}, {key: 22}]->filter(( _, v) => v['key'] )
1897      assert_equal([{key: 22}], dl)
1898
1899      dl = [{key: 12}, {['foo']: 34}]
1900      assert_equal([{key: 12}], filter(dl,
1901            (_, v) => has_key(v, 'key') ? v['key'] == 12 : 0))
1902
1903      assert_equal(false, LambdaWithComments()(0))
1904      assert_equal(true, LambdaWithComments()(1))
1905      assert_equal(true, LambdaWithComments()(2))
1906      assert_equal(false, LambdaWithComments()(3))
1907
1908      assert_equal(false, LambdaUsingArg(0)())
1909      assert_equal(true, LambdaUsingArg(1)())
1910
1911      var res = map([1, 2, 3], (i: number, v: number) => i + v)
1912      assert_equal([1, 3, 5], res)
1913  END
1914  CheckDefAndScriptSuccess(lines)
1915
1916  CheckDefFailure(["var Ref = (a)=>a + 1"], 'E1004:')
1917  CheckDefFailure(["var Ref = (a)=> a + 1"], 'E1004: White space required before and after ''=>'' at "=> a + 1"')
1918  CheckDefFailure(["var Ref = (a) =>a + 1"], 'E1004:')
1919
1920  CheckDefFailure(["filter([1, 2], (k,v) => 1)"], 'E1069:', 1)
1921  # error is in first line of the lambda
1922  CheckDefFailure(["var L = (a) => a + b"], 'E1001:', 0)
1923
1924  assert_equal('xxxyyy', 'xxx'->((a, b) => a .. b)('yyy'))
1925
1926  CheckDefExecFailure(["var s = 'asdf'->((a) => a)('x')"], 'E118:')
1927  CheckDefExecFailure(["var s = 'asdf'->((a) => a)('x', 'y')"], 'E118:')
1928  CheckDefFailure(["echo 'asdf'->((a) => a)(x)"], 'E1001:', 1)
1929
1930  CheckDefSuccess(['var Fx = (a) => ({k1: 0,', ' k2: 1})'])
1931  CheckDefFailure(['var Fx = (a) => ({k1: 0', ' k2: 1})'], 'E722:', 2)
1932  CheckDefFailure(['var Fx = (a) => ({k1: 0,', ' k2 1})'], 'E720:', 2)
1933
1934  CheckDefSuccess(['var Fx = (a) => [0,', ' 1]'])
1935  CheckDefFailure(['var Fx = (a) => [0', ' 1]'], 'E696:', 2)
1936
1937  # no error for existing script variable when checking for lambda
1938  lines =<< trim END
1939    vim9script
1940    var name = 0
1941    eval (name + 2) / 3
1942  END
1943  CheckScriptSuccess(lines)
1944enddef
1945
1946def NewLambdaWithComments(): func
1947  return (x) =>
1948            # some comment
1949            x == 1
1950            # some comment
1951            ||
1952            x == 2
1953enddef
1954
1955def NewLambdaUsingArg(x: number): func
1956  return () =>
1957            # some comment
1958            x == 1
1959            # some comment
1960            ||
1961            x == 2
1962enddef
1963
1964def Test_expr7_new_lambda()
1965  var lines =<< trim END
1966      var La = () => 'result'
1967      assert_equal('result', La())
1968      assert_equal([1, 3, 5], [1, 2, 3]->map((key, val) => key + val))
1969
1970      # line continuation inside lambda with "cond ? expr : expr" works
1971      var ll = range(3)
1972      var dll = mapnew(ll, (k, v) => v % 2 ? {
1973                ['111']: 111 } : {}
1974            )
1975      assert_equal([{}, {111: 111}, {}], dll)
1976
1977      ll = range(3)
1978      map(ll, (k, v) => v == 8 || v
1979                    == 9
1980                    || v % 2 ? 111 : 222
1981            )
1982      assert_equal([222, 111, 222], ll)
1983
1984      ll = range(3)
1985      map(ll, (k, v) => v != 8 && v
1986                    != 9
1987                    && v % 2 == 0 ? 111 : 222
1988            )
1989      assert_equal([111, 222, 111], ll)
1990
1991      var dl = [{key: 0}, {key: 22}]->filter(( _, v) => v['key'] )
1992      assert_equal([{key: 22}], dl)
1993
1994      dl = [{key: 12}, {['foo']: 34}]
1995      assert_equal([{key: 12}], filter(dl,
1996            (_, v) => has_key(v, 'key') ? v['key'] == 12 : 0))
1997
1998      assert_equal(false, NewLambdaWithComments()(0))
1999      assert_equal(true, NewLambdaWithComments()(1))
2000      assert_equal(true, NewLambdaWithComments()(2))
2001      assert_equal(false, NewLambdaWithComments()(3))
2002
2003      assert_equal(false, NewLambdaUsingArg(0)())
2004      assert_equal(true, NewLambdaUsingArg(1)())
2005
2006      var res = map([1, 2, 3], (i: number, v: number) => i + v)
2007      assert_equal([1, 3, 5], res)
2008
2009      # Lambda returning a dict
2010      var Lmb = () => ({key: 42})
2011      assert_equal({key: 42}, Lmb())
2012
2013      var RefOne: func(number): string = (a: number): string => 'x'
2014      var RefTwo: func(number): any = (a: number): any => 'x'
2015
2016      var Fx = (a) => ({k1: 0,
2017                         k2: 1})
2018      var Fy = (a) => [0,
2019                       1]
2020  END
2021  CheckDefAndScriptSuccess(lines)
2022
2023  CheckDefAndScriptFailure(["var Ref = (a)=>a + 1"], 'E1004:')
2024  CheckDefAndScriptFailure(["var Ref = (a)=> a + 1"], 'E1004:')
2025  CheckDefAndScriptFailure(["var Ref = (a) =>a + 1"],
2026      'E1004: White space required before and after ''=>'' at " =>a + 1"')
2027
2028  CheckDefFailure(["var Ref: func(number): number = (a: number): string => 'x'"], 'E1012:')
2029  CheckDefFailure(["var Ref: func(number): string = (a: number): string => 99"], 'E1012:')
2030
2031  CheckDefFailure(["filter([1, 2], (k,v) => 1)"], 'E1069:', 1)
2032  # error is in first line of the lambda
2033  CheckDefFailure(["var L = (a) -> a + b"], 'E1001:', 1)
2034
2035# TODO: ->(lambda)() doesn't work yet
2036#  assert_equal('xxxyyy', 'xxx'->((a, b) => a .. b)('yyy'))
2037
2038#  CheckDefExecFailure(["var s = 'asdf'->{a -> a}('x')"],
2039#        'E1106: One argument too many')
2040#  CheckDefExecFailure(["var s = 'asdf'->{a -> a}('x', 'y')"],
2041#        'E1106: 2 arguments too many')
2042#  CheckDefFailure(["echo 'asdf'->{a -> a}(x)"], 'E1001:', 1)
2043
2044  CheckDefFailure(['var Fx = (a) => ({k1: 0', ' k2: 1})'], 'E722:', 2)
2045  CheckDefFailure(['var Fx = (a) => ({k1: 0,', ' k2 1})'], 'E720:', 2)
2046
2047  CheckDefFailure(['var Fx = (a) => [0', ' 1]'], 'E696:', 2)
2048enddef
2049
2050def Test_expr7_lambda_vim9script()
2051  var lines =<< trim END
2052      vim9script
2053      var v = 10->((a) =>
2054	    a
2055	      + 2
2056            )()
2057      assert_equal(12, v)
2058  END
2059  CheckScriptSuccess(lines)
2060
2061  # nested lambda with line breaks
2062  lines =<< trim END
2063      vim9script
2064      search('"', 'cW', 0, 0, () =>
2065	synstack('.', col('.'))
2066          ->map((_, v) => synIDattr(v, 'name'))->len())
2067  END
2068  CheckScriptSuccess(lines)
2069enddef
2070
2071def Test_epxr7_funcref()
2072  var lines =<< trim END
2073      def RetNumber(): number
2074        return 123
2075      enddef
2076      var FuncRef = RetNumber
2077      assert_equal(123, FuncRef())
2078  END
2079  CheckDefAndScriptSuccess(lines)
2080enddef
2081
2082let g:test_space_dict = {'': 'empty', ' ': 'space'}
2083let g:test_hash_dict = #{one: 1, two: 2}
2084
2085def Test_expr7_dict()
2086  # dictionary
2087  var lines =<< trim END
2088      assert_equal(g:dict_empty, {})
2089      assert_equal(g:dict_empty, {  })
2090      assert_equal(g:dict_one, {['one']: 1})
2091      var key = 'one'
2092      var val = 1
2093      assert_equal(g:dict_one, {[key]: val})
2094
2095      var numbers: dict<number> = {a: 1, b: 2, c: 3}
2096      numbers = {a: 1}
2097      numbers = {}
2098
2099      var strings: dict<string> = {a: 'a', b: 'b', c: 'c'}
2100      strings = {a: 'x'}
2101      strings = {}
2102
2103      var dash = {xx-x: 8}
2104      assert_equal({['xx-x']: 8}, dash)
2105
2106      var dnr = {8: 8}
2107      assert_equal({['8']: 8}, dnr)
2108
2109      var mixed: dict<any> = {a: 'a', b: 42}
2110      mixed = {a: 'x'}
2111      mixed = {a: 234}
2112      mixed = {}
2113
2114      var dictlist: dict<list<string>> = {absent: [], present: ['hi']}
2115      dictlist = {absent: ['hi'], present: []}
2116      dictlist = {absent: [], present: []}
2117
2118      var dictdict: dict<dict<string>> = {one: {a: 'text'}, two: {}}
2119      dictdict = {one: {}, two: {a: 'text'}}
2120      dictdict = {one: {}, two: {}}
2121
2122      assert_equal({['']: 0}, {[matchstr('string', 'wont match')]: 0})
2123
2124      assert_equal(g:test_space_dict, {['']: 'empty', [' ']: 'space'})
2125      assert_equal(g:test_hash_dict, {one: 1, two: 2})
2126
2127      assert_equal({['a a']: 1, ['b/c']: 2}, {'a a': 1, "b/c": 2})
2128
2129      var d = {a: () => 3, b: () => 7}
2130      assert_equal(3, d.a())
2131      assert_equal(7, d.b())
2132
2133      var cd = { # comment
2134                key: 'val' # comment
2135               }
2136
2137      # different types used for the key
2138      var dkeys = {['key']: 'string',
2139                   [12]: 'numberexpr',
2140                   34: 'number',
2141                   [true]: 'bool'}
2142      assert_equal('string', dkeys['key'])
2143      assert_equal('numberexpr', dkeys[12])
2144      assert_equal('number', dkeys[34])
2145      assert_equal('bool', dkeys[true])
2146      if has('float')
2147        dkeys = {[1.2]: 'floatexpr', [3.4]: 'float'}
2148        assert_equal('floatexpr', dkeys[1.2])
2149        assert_equal('float', dkeys[3.4])
2150      endif
2151
2152      # automatic conversion from number to string
2153      var n = 123
2154      var dictnr = {[n]: 1}
2155  END
2156  CheckDefAndScriptSuccess(lines)
2157
2158  # legacy syntax doesn't work
2159  CheckDefFailure(["var x = #{key: 8}"], 'E1097:', 3)
2160  CheckDefFailure(["var x = 'a' .. #{a: 1}"], 'E1097:', 3)
2161
2162  CheckDefFailure(["var x = {a:8}"], 'E1069:', 1)
2163  CheckDefFailure(["var x = {a : 8}"], 'E1068:', 1)
2164  CheckDefFailure(["var x = {a :8}"], 'E1068:', 1)
2165  CheckDefFailure(["var x = {a: 8 , b: 9}"], 'E1068:', 1)
2166  CheckDefFailure(["var x = {a: 1,b: 2}"], 'E1069:', 1)
2167
2168  CheckDefFailure(["var x = {xxx}"], 'E720:', 1)
2169  CheckDefFailure(["var x = {xxx: 1", "var y = 2"], 'E722:', 2)
2170  CheckDefFailure(["var x = {xxx: 1,"], 'E723:', 2)
2171  CheckDefFailure(["var x = {['a']: xxx}"], 'E1001:', 1)
2172  CheckDefFailure(["var x = {a: 1, a: 2}"], 'E721:', 1)
2173  CheckDefExecFailure(["var x = g:anint.member"], 'E715:', 1)
2174  CheckDefExecFailure(["var x = g:dict_empty.member"], 'E716:', 1)
2175
2176  CheckDefExecFailure(['var x: dict<number> = {a: 234, b: "1"}'], 'E1012:', 1)
2177  CheckDefExecFailure(['var x: dict<number> = {a: "x", b: 134}'], 'E1012:', 1)
2178  CheckDefExecFailure(['var x: dict<string> = {a: 234, b: "1"}'], 'E1012:', 1)
2179  CheckDefExecFailure(['var x: dict<string> = {a: "x", b: 134}'], 'E1012:', 1)
2180
2181  # invalid types for the key
2182  CheckDefFailure(["var x = {[[1, 2]]: 0}"], 'E1105:', 1)
2183
2184  CheckDefFailure(['var x = ({'], 'E723:', 2)
2185  CheckDefExecFailure(['{}[getftype("file")]'], 'E716: Key not present in Dictionary: ""', 1)
2186enddef
2187
2188def Test_expr7_dict_vim9script()
2189  var lines =<< trim END
2190      vim9script
2191      var d = {
2192		['one']:
2193		   1,
2194		['two']: 2,
2195		   }
2196      assert_equal({one: 1, two: 2}, d)
2197
2198      d = {  # comment
2199		['one']:
2200                # comment
2201
2202		   1,
2203                # comment
2204                # comment
2205		['two']: 2,
2206		   }
2207      assert_equal({one: 1, two: 2}, d)
2208
2209      var dd = {k: 123->len()}
2210      assert_equal(3, dd.k)
2211  END
2212  CheckScriptSuccess(lines)
2213
2214  lines =<< trim END
2215      vim9script
2216      var d = { ["one"]: "one", ["two"]: "two", }
2217      assert_equal({one: 'one', two: 'two'}, d)
2218  END
2219  CheckScriptSuccess(lines)
2220
2221  lines =<< trim END
2222      vim9script
2223      var d = {one: 1,
2224		two: 2,
2225	       }
2226      assert_equal({one: 1, two: 2}, d)
2227  END
2228  CheckScriptSuccess(lines)
2229
2230  lines =<< trim END
2231      vim9script
2232      var d = {one:1, two: 2}
2233  END
2234  CheckScriptFailure(lines, 'E1069:', 2)
2235
2236  lines =<< trim END
2237      vim9script
2238      var d = {one: 1,two: 2}
2239  END
2240  CheckScriptFailure(lines, 'E1069:', 2)
2241
2242  lines =<< trim END
2243      vim9script
2244      var d = {one : 1}
2245  END
2246  CheckScriptFailure(lines, 'E1068:', 2)
2247
2248  lines =<< trim END
2249      vim9script
2250      var d = {one:1}
2251  END
2252  CheckScriptFailure(lines, 'E1069:', 2)
2253
2254  lines =<< trim END
2255      vim9script
2256      var d = {one: 1 , two: 2}
2257  END
2258  CheckScriptFailure(lines, 'E1068:', 2)
2259
2260  lines =<< trim END
2261    vim9script
2262    var l: dict<number> = {a: 234, b: 'x'}
2263  END
2264  CheckScriptFailure(lines, 'E1012:', 2)
2265  lines =<< trim END
2266    vim9script
2267    var l: dict<number> = {a: 'x', b: 234}
2268  END
2269  CheckScriptFailure(lines, 'E1012:', 2)
2270  lines =<< trim END
2271    vim9script
2272    var l: dict<string> = {a: 'x', b: 234}
2273  END
2274  CheckScriptFailure(lines, 'E1012:', 2)
2275  lines =<< trim END
2276    vim9script
2277    var l: dict<string> = {a: 234, b: 'x'}
2278  END
2279  CheckScriptFailure(lines, 'E1012:', 2)
2280
2281  lines =<< trim END
2282    vim9script
2283    var d = {['a']: 234, ['b': 'x'}
2284  END
2285  CheckScriptFailure(lines, 'E1139:', 2)
2286  lines =<< trim END
2287    vim9script
2288    def Func()
2289      var d = {['a']: 234, ['b': 'x'}
2290    enddef
2291    defcompile
2292  END
2293  CheckScriptFailure(lines, 'E1139:', 1)
2294  lines =<< trim END
2295    vim9script
2296    var d = {'a':
2297  END
2298  CheckScriptFailure(lines, 'E15:', 2)
2299  lines =<< trim END
2300    vim9script
2301    def Func()
2302      var d = {'a':
2303    enddef
2304    defcompile
2305  END
2306  CheckScriptFailure(lines, 'E723:', 1)
2307
2308  lines =<< trim END
2309      vim9script
2310      def Failing()
2311        job_stop()
2312      enddef
2313      var dict = {name: Failing}
2314  END
2315  if has('channel')
2316    CheckScriptFailure(lines, 'E119:', 1)
2317  else
2318    CheckScriptFailure(lines, 'E117:', 1)
2319  endif
2320enddef
2321
2322let g:oneString = 'one'
2323
2324def Test_expr_member()
2325  assert_equal(1, g:dict_one.one)
2326  var d: dict<number> = g:dict_one
2327  assert_equal(1, d['one'])
2328  assert_equal(1, d[
2329		  'one'
2330		  ])
2331  assert_equal(1, d
2332  	.one)
2333  d = {1: 1, _: 2}
2334  assert_equal(1, d
2335  	.1)
2336  assert_equal(2, d
2337  	._)
2338
2339  # getting the one member should clear the dict after getting the item
2340  assert_equal('one', {one: 'one'}.one)
2341  assert_equal('one', {one: 'one'}[g:oneString])
2342
2343  CheckDefFailure(["var x = g:dict_one.#$!"], 'E1002:', 1)
2344  CheckDefExecFailure(["var d: dict<any>", "echo d['a']"], 'E716:', 2)
2345  CheckDefExecFailure(["var d: dict<number>", "d = g:list_empty"], 'E1012: Type mismatch; expected dict<number> but got list<unknown>', 2)
2346enddef
2347
2348def Test_expr7_any_index_slice()
2349  var lines =<< trim END
2350    # getting the one member should clear the list only after getting the item
2351    assert_equal('bbb', ['aaa', 'bbb', 'ccc'][1])
2352
2353    # string is permissive, index out of range accepted
2354    g:teststring = 'abcdef'
2355    assert_equal('b', g:teststring[1])
2356    assert_equal('f', g:teststring[-1])
2357    assert_equal('', g:teststring[99])
2358
2359    assert_equal('b', g:teststring[1 : 1])
2360    assert_equal('bcdef', g:teststring[1 :])
2361    assert_equal('abcd', g:teststring[: 3])
2362    assert_equal('cdef', g:teststring[-4 :])
2363    assert_equal('abcdef', g:teststring[-9 :])
2364    assert_equal('abcd', g:teststring[: -3])
2365    assert_equal('', g:teststring[: -9])
2366
2367    # blob index cannot be out of range
2368    g:testblob = 0z01ab
2369    assert_equal(0x01, g:testblob[0])
2370    assert_equal(0xab, g:testblob[1])
2371    assert_equal(0xab, g:testblob[-1])
2372    assert_equal(0x01, g:testblob[-2])
2373
2374    # blob slice accepts out of range
2375    assert_equal(0z01ab, g:testblob[0 : 1])
2376    assert_equal(0z01, g:testblob[0 : 0])
2377    assert_equal(0z01, g:testblob[-2 : -2])
2378    assert_equal(0zab, g:testblob[1 : 1])
2379    assert_equal(0zab, g:testblob[-1 : -1])
2380    assert_equal(0z, g:testblob[2 : 2])
2381    assert_equal(0z, g:testblob[0 : -3])
2382
2383    # list index cannot be out of range
2384    g:testlist = [0, 1, 2, 3]
2385    assert_equal(0, g:testlist[0])
2386    assert_equal(1, g:testlist[1])
2387    assert_equal(3, g:testlist[3])
2388    assert_equal(3, g:testlist[-1])
2389    assert_equal(0, g:testlist[-4])
2390    assert_equal(1, g:testlist[g:theone])
2391
2392    # list slice accepts out of range
2393    assert_equal([0], g:testlist[0 : 0])
2394    assert_equal([3], g:testlist[3 : 3])
2395    assert_equal([0, 1], g:testlist[0 : 1])
2396    assert_equal([0, 1, 2, 3], g:testlist[0 : 3])
2397    assert_equal([0, 1, 2, 3], g:testlist[0 : 9])
2398    assert_equal([], g:testlist[-1 : 1])
2399    assert_equal([1], g:testlist[-3 : 1])
2400    assert_equal([0, 1], g:testlist[-4 : 1])
2401    assert_equal([0, 1], g:testlist[-9 : 1])
2402    assert_equal([1, 2, 3], g:testlist[1 : -1])
2403    assert_equal([1], g:testlist[1 : -3])
2404    assert_equal([], g:testlist[1 : -4])
2405    assert_equal([], g:testlist[1 : -9])
2406
2407    g:testdict = {a: 1, b: 2}
2408    assert_equal(1, g:testdict['a'])
2409    assert_equal(2, g:testdict['b'])
2410  END
2411
2412  CheckDefSuccess(lines)
2413  CheckScriptSuccess(['vim9script'] + lines)
2414
2415  CheckDefExecFailure(['echo g:testblob[2]'], 'E979:', 1)
2416  CheckScriptFailure(['vim9script', 'echo g:testblob[2]'], 'E979:', 2)
2417  CheckDefExecFailure(['echo g:testblob[-3]'], 'E979:', 1)
2418  CheckScriptFailure(['vim9script', 'echo g:testblob[-3]'], 'E979:', 2)
2419
2420  CheckDefExecFailure(['echo g:testlist[4]'], 'E684: list index out of range: 4', 1)
2421  CheckScriptFailure(['vim9script', 'echo g:testlist[4]'], 'E684:', 2)
2422  CheckDefExecFailure(['echo g:testlist[-5]'], 'E684:', 1)
2423  CheckScriptFailure(['vim9script', 'echo g:testlist[-5]'], 'E684: list index out of range: -5', 2)
2424
2425  CheckDefExecFailure(['echo g:testdict["a" : "b"]'], 'E719:', 1)
2426  CheckScriptFailure(['vim9script', 'echo g:testdict["a" : "b"]'], 'E719:', 2)
2427  CheckDefExecFailure(['echo g:testdict[1]'], 'E716:', 1)
2428  CheckScriptFailure(['vim9script', 'echo g:testdict[1]'], 'E716:', 2)
2429
2430  unlet g:teststring
2431  unlet g:testblob
2432  unlet g:testlist
2433enddef
2434
2435def Test_expr_member_vim9script()
2436  var lines =<< trim END
2437      vim9script
2438      var d = {one:
2439      		'one',
2440		two: 'two',
2441		1: 1,
2442		_: 2}
2443      assert_equal('one', d.one)
2444      assert_equal('one', d
2445                            .one)
2446      assert_equal(1, d
2447                            .1)
2448      assert_equal(2, d
2449                            ._)
2450      assert_equal('one', d[
2451			    'one'
2452			    ])
2453  END
2454  CheckScriptSuccess(lines)
2455
2456  lines =<< trim END
2457      vim9script
2458      var l = [1,
2459		  2,
2460		  3, 4
2461		  ]
2462      assert_equal(2, l[
2463			    1
2464			    ])
2465      assert_equal([2, 3], l[1 : 2])
2466      assert_equal([1, 2, 3], l[
2467				:
2468				2
2469				])
2470      assert_equal([3, 4], l[
2471				2
2472				:
2473				])
2474  END
2475  CheckScriptSuccess(lines)
2476enddef
2477
2478def SetSomeVar()
2479  b:someVar = &fdm
2480enddef
2481
2482def Test_expr7_option()
2483  # option
2484  set ts=11
2485  assert_equal(11, &ts)
2486  &ts = 9
2487  assert_equal(9, &ts)
2488  set ts=8
2489  set grepprg=some\ text
2490  assert_equal('some text', &grepprg)
2491  &grepprg = test_null_string()
2492  assert_equal('', &grepprg)
2493  set grepprg&
2494
2495  # check matching type
2496  var bval: bool = &tgc
2497  var nval: number = &ts
2498  var sval: string = &path
2499
2500  # check v_lock is cleared (requires using valgrind, doesn't always show)
2501  SetSomeVar()
2502  b:someVar = 0
2503  unlet b:someVar
2504enddef
2505
2506def Test_expr7_environment()
2507  # environment variable
2508  assert_equal('testvar', $TESTVAR)
2509  assert_equal('', $ASDF_ASD_XXX)
2510
2511  CheckDefFailure(["var x = $$$"], 'E1002:', 1)
2512enddef
2513
2514def Test_expr7_register()
2515  @a = 'register a'
2516  assert_equal('register a', @a)
2517
2518  var fname = expand('%')
2519  assert_equal(fname, @%)
2520
2521  feedkeys(":echo 'some'\<CR>", "xt")
2522  assert_equal("echo 'some'", @:)
2523
2524  normal axyz
2525  assert_equal("xyz", @.)
2526  CheckDefFailure(["@. = 'yes'"], 'E354:', 1)
2527
2528  @/ = 'slash'
2529  assert_equal('slash', @/)
2530
2531  @= = 'equal'
2532  assert_equal('equal', @=)
2533enddef
2534
2535def Test_expr7_namespace()
2536  g:some_var = 'some'
2537  assert_equal('some', get(g:, 'some_var'))
2538  assert_equal('some', get(g:, 'some_var', 'xxx'))
2539  assert_equal('xxx', get(g:, 'no_var', 'xxx'))
2540  unlet g:some_var
2541
2542  b:some_var = 'some'
2543  assert_equal('some', get(b:, 'some_var'))
2544  assert_equal('some', get(b:, 'some_var', 'xxx'))
2545  assert_equal('xxx', get(b:, 'no_var', 'xxx'))
2546  unlet b:some_var
2547
2548  w:some_var = 'some'
2549  assert_equal('some', get(w:, 'some_var'))
2550  assert_equal('some', get(w:, 'some_var', 'xxx'))
2551  assert_equal('xxx', get(w:, 'no_var', 'xxx'))
2552  unlet w:some_var
2553
2554  t:some_var = 'some'
2555  assert_equal('some', get(t:, 'some_var'))
2556  assert_equal('some', get(t:, 'some_var', 'xxx'))
2557  assert_equal('xxx', get(t:, 'no_var', 'xxx'))
2558  unlet t:some_var
2559
2560  # check using g: in a for loop more than DO_NOT_FREE_CNT times
2561  for i in range(100000)
2562    if has_key(g:, 'does-not-exist')
2563    endif
2564  endfor
2565enddef
2566
2567def Test_expr7_parens()
2568  # (expr)
2569  var lines =<< trim END
2570      assert_equal(4, (6 * 4) / 6)
2571      assert_equal(0, 6 * ( 4 / 6 ))
2572
2573      assert_equal(6, +6)
2574      assert_equal(-6, -6)
2575      assert_equal(false, !-3)
2576      assert_equal(true, !+0)
2577
2578      assert_equal(7, 5 + (
2579                    2))
2580      assert_equal(7, 5 + (
2581                    2
2582                    ))
2583      assert_equal(7, 5 + ( # comment
2584                    2))
2585      assert_equal(7, 5 + ( # comment
2586                    # comment
2587                    2))
2588
2589      var s = (
2590		'one'
2591		..
2592		'two'
2593		)
2594      assert_equal('onetwo', s)
2595  END
2596  CheckDefAndScriptSuccess(lines)
2597enddef
2598
2599def Test_expr7_negate_add()
2600  assert_equal(-99, -99)
2601  assert_equal(-99, - 99)
2602  assert_equal(99, +99)
2603
2604  var nr = 88
2605  assert_equal(-88, -nr)
2606  assert_equal(-88, - nr)
2607  assert_equal(88, + nr)
2608
2609  var lines =<< trim END
2610    var n = 12
2611    echo ++n
2612  END
2613  CheckDefAndScriptFailure(lines, 'E15:')
2614  lines =<< trim END
2615    var n = 12
2616    echo --n
2617  END
2618  CheckDefAndScriptFailure(lines, 'E15:')
2619  lines =<< trim END
2620    var n = 12
2621    echo +-n
2622  END
2623  CheckDefAndScriptFailure(lines, 'E15:')
2624  lines =<< trim END
2625    var n = 12
2626    echo -+n
2627  END
2628  CheckDefAndScriptFailure(lines, 'E15:')
2629  lines =<< trim END
2630    var n = 12
2631    echo - -n
2632  END
2633  CheckDefAndScriptFailure(lines, 'E15:')
2634  lines =<< trim END
2635    var n = 12
2636    echo + +n
2637  END
2638  CheckDefAndScriptFailure(lines, 'E15:')
2639
2640  lines =<< trim END
2641    var n = 12
2642    :1
2643    ++n
2644  END
2645  CheckDefAndScriptFailure(lines, 'E1050:')
2646  lines =<< trim END
2647    var n = 12
2648    :1
2649    --n
2650  END
2651  CheckDefAndScriptFailure(lines, 'E1050:')
2652enddef
2653
2654def Echo(arg: any): string
2655  return arg
2656enddef
2657
2658def s:Echo4Arg(arg: any): string
2659  return arg
2660enddef
2661
2662def Test_expr7_call()
2663  var lines =<< trim END
2664      assert_equal('yes', 'yes'->Echo())
2665      assert_equal(true, !range(5)->empty())
2666      assert_equal([0, 1, 2], 3->range())
2667  END
2668  CheckDefAndScriptSuccess(lines)
2669
2670  assert_equal('yes', 'yes'
2671                        ->s:Echo4Arg())
2672
2673  CheckDefFailure(["var x = 'yes'->Echo"], 'E107:', 1)
2674  CheckScriptFailure([
2675   "vim9script",
2676   "var x = substitute ('x', 'x', 'x', 'x')"
2677   ], 'E121:', 2)
2678  CheckDefFailure(["var Ref = function('len' [1, 2])"], 'E1123:', 1)
2679
2680  var auto_lines =<< trim END
2681      def g:some#func(): string
2682	return 'found'
2683      enddef
2684  END
2685  mkdir('Xruntime/autoload', 'p')
2686  writefile(auto_lines, 'Xruntime/autoload/some.vim')
2687  var save_rtp = &rtp
2688  &rtp = getcwd() .. '/Xruntime,' .. &rtp
2689  assert_equal('found', g:some#func())
2690  assert_equal('found', some#func())
2691
2692  &rtp = save_rtp
2693  delete('Xruntime', 'rf')
2694enddef
2695
2696def Test_expr7_method_call()
2697  new
2698  setline(1, ['first', 'last'])
2699  'second'->append(1)
2700  "third"->append(2)
2701  assert_equal(['first', 'second', 'third', 'last'], getline(1, '$'))
2702  bwipe!
2703
2704  var bufnr = bufnr()
2705  var loclist = [{bufnr: bufnr, lnum: 42, col: 17, text: 'wrong'}]
2706  loclist->setloclist(0)
2707  assert_equal([{bufnr: bufnr,
2708  		lnum: 42,
2709		col: 17,
2710		text: 'wrong',
2711		pattern: '',
2712		valid: 1,
2713		vcol: 0,
2714		nr: 0,
2715		type: '',
2716		module: ''}
2717		], getloclist(0))
2718
2719  var result: bool = get({n: 0}, 'n', 0)
2720  assert_equal(false, result)
2721
2722  assert_equal('+string+', 'string'->((s) => '+' .. s .. '+')())
2723  assert_equal('-text-', 'text'->((s, c) => c .. s .. c)('-'))
2724
2725  var Join = (l) => join(l, 'x')
2726  assert_equal('axb', ['a', 'b']->(Join)())
2727enddef
2728
2729
2730def Test_expr7_not()
2731  var lines =<< trim END
2732      assert_equal(true, !'')
2733      assert_equal(true, ![])
2734      assert_equal(false, !'asdf')
2735      assert_equal(false, ![2])
2736      assert_equal(true, !!'asdf')
2737      assert_equal(true, !![2])
2738
2739      assert_equal(true, ! false)
2740      assert_equal(true, !! true)
2741      assert_equal(true, ! ! true)
2742      assert_equal(true, !!! false)
2743      assert_equal(true, ! ! ! false)
2744
2745      g:true = true
2746      g:false = false
2747      assert_equal(true, ! g:false)
2748      assert_equal(true, !! g:true)
2749      assert_equal(true, ! ! g:true)
2750      assert_equal(true, !!! g:false)
2751      assert_equal(true, ! ! ! g:false)
2752      unlet g:true
2753      unlet g:false
2754
2755      assert_equal(true, !test_null_partial())
2756      assert_equal(false, !() => 'yes')
2757
2758      assert_equal(true, !test_null_dict())
2759      assert_equal(true, !{})
2760      assert_equal(false, !{yes: 'no'})
2761
2762      if has('channel')
2763	assert_equal(true, !test_null_job())
2764	assert_equal(true, !test_null_channel())
2765      endif
2766
2767      assert_equal(true, !test_null_blob())
2768      assert_equal(true, !0z)
2769      assert_equal(false, !0z01)
2770
2771      assert_equal(true, !test_void())
2772      assert_equal(true, !test_unknown())
2773
2774      assert_equal(false, ![1, 2, 3]->reverse())
2775      assert_equal(true, ![]->reverse())
2776  END
2777  CheckDefAndScriptSuccess(lines)
2778enddef
2779
2780func Test_expr7_fails()
2781  call CheckDefFailure(["var x = (12"], "E1097:", 3)
2782
2783  call CheckDefFailure(["var x = -'xx'"], "E1030:", 1)
2784  call CheckDefFailure(["var x = +'xx'"], "E1030:", 1)
2785  call CheckDefFailure(["var x = -0z12"], "E974:", 1)
2786  call CheckDefExecFailure(["var x = -[8]"], "E39:", 1)
2787  call CheckDefExecFailure(["var x = -{a: 1}"], "E39:", 1)
2788
2789  call CheckDefFailure(["var x = @"], "E1002:", 1)
2790  call CheckDefFailure(["var x = @<"], "E354:", 1)
2791
2792  call CheckDefFailure(["var x = [1, 2"], "E697:", 2)
2793  call CheckDefFailure(["var x = [notfound]"], "E1001:", 1)
2794
2795  call CheckDefFailure(["var X = () => 123)"], "E488:", 1)
2796  call CheckDefFailure(["var x = 123->((x) => x + 5)"], "E107:", 1)
2797
2798  call CheckDefFailure(["var x = &notexist"], 'E113:', 1)
2799  call CheckDefFailure(["&grepprg = [343]"], 'E1012:', 1)
2800
2801  call CheckDefExecFailure(["echo s:doesnt_exist"], 'E121:', 1)
2802  call CheckDefExecFailure(["echo g:doesnt_exist"], 'E121:', 1)
2803
2804  call CheckDefFailure(["echo a:somevar"], 'E1075:', 1)
2805  call CheckDefFailure(["echo l:somevar"], 'E1075:', 1)
2806  call CheckDefFailure(["echo x:somevar"], 'E1075:', 1)
2807
2808  call CheckDefExecFailure(["var x = +g:astring"], 'E1030:', 1)
2809  call CheckDefExecFailure(["var x = +g:ablob"], 'E974:', 1)
2810  call CheckDefExecFailure(["var x = +g:alist"], 'E745:', 1)
2811  call CheckDefExecFailure(["var x = +g:adict"], 'E728:', 1)
2812
2813  call CheckDefFailure(["var x = ''", "var y = x.memb"], 'E715:', 2)
2814
2815  call CheckDefFailure(["'yes'->", "Echo()"], 'E488: Trailing characters: ->', 1)
2816
2817  call CheckDefExecFailure(["[1, 2->len()"], 'E697:', 2)
2818  call CheckDefExecFailure(["{a: 1->len()"], 'E723:', 2)
2819  call CheckDefExecFailure(["{['a']: 1->len()"], 'E723:', 2)
2820endfunc
2821
2822let g:Funcrefs = [function('add')]
2823
2824func CallMe(arg)
2825  return a:arg
2826endfunc
2827
2828func CallMe2(one, two)
2829  return a:one .. a:two
2830endfunc
2831
2832def Test_expr7_trailing()
2833  # user function call
2834  assert_equal(123, g:CallMe(123))
2835  assert_equal(123, g:CallMe(  123))
2836  assert_equal(123, g:CallMe(123  ))
2837  assert_equal('yesno', g:CallMe2('yes', 'no'))
2838  assert_equal('yesno', g:CallMe2( 'yes', 'no' ))
2839  assert_equal('nothing', g:CallMe('nothing'))
2840
2841  # partial call
2842  var Part = function('g:CallMe')
2843  assert_equal('yes', Part('yes'))
2844
2845  # funcref call, using list index
2846  var l = []
2847  g:Funcrefs[0](l, 2)
2848  assert_equal([2], l)
2849
2850  # method call
2851  l = [2, 5, 6]
2852  l->map((k, v) => k + v)
2853  assert_equal([2, 6, 8], l)
2854
2855  # lambda method call
2856  l = [2, 5]
2857  l->((ll) => add(ll, 8))()
2858  assert_equal([2, 5, 8], l)
2859
2860  # dict member
2861  var d = {key: 123}
2862  assert_equal(123, d.key)
2863enddef
2864
2865def Test_expr7_string_subscript()
2866  var lines =<< trim END
2867    var text = 'abcdef'
2868    assert_equal('f', text[-1])
2869    assert_equal('a', text[0])
2870    assert_equal('e', text[4])
2871    assert_equal('f', text[5])
2872    assert_equal('', text[6])
2873
2874    text = 'ábçdë'
2875    assert_equal('ë', text[-1])
2876    assert_equal('d', text[-2])
2877    assert_equal('ç', text[-3])
2878    assert_equal('b', text[-4])
2879    assert_equal('á', text[-5])
2880    assert_equal('', text[-6])
2881
2882    text = 'ábçdëf'
2883    assert_equal('', text[-999])
2884    assert_equal('f', text[-1])
2885    assert_equal('á', text[0])
2886    assert_equal('b', text[1])
2887    assert_equal('ç', text[2])
2888    assert_equal('d', text[3])
2889    assert_equal('ë', text[4])
2890    assert_equal('f', text[5])
2891    assert_equal('', text[6])
2892    assert_equal('', text[999])
2893
2894    assert_equal('ábçdëf', text[0 : -1])
2895    assert_equal('ábçdëf', text[0 : -1])
2896    assert_equal('ábçdëf', text[0 : -1])
2897    assert_equal('ábçdëf', text[0 : -1])
2898    assert_equal('ábçdëf', text[0
2899                  : -1])
2900    assert_equal('ábçdëf', text[0 :
2901                  -1])
2902    assert_equal('ábçdëf', text[0 : -1
2903                  ])
2904    assert_equal('bçdëf', text[1 : -1])
2905    assert_equal('çdëf', text[2 : -1])
2906    assert_equal('dëf', text[3 : -1])
2907    assert_equal('ëf', text[4 : -1])
2908    assert_equal('f', text[5 : -1])
2909    assert_equal('', text[6 : -1])
2910    assert_equal('', text[999 : -1])
2911
2912    assert_equal('ábçd', text[: 3])
2913    assert_equal('bçdëf', text[1 :])
2914    assert_equal('ábçdëf', text[:])
2915  END
2916  CheckDefSuccess(lines)
2917  CheckScriptSuccess(['vim9script'] + lines)
2918
2919  lines =<< trim END
2920      var d = 'asdf'[1 :
2921  END
2922  CheckDefFailure(lines, 'E1097:', 3)
2923  lines =<< trim END
2924      var d = 'asdf'[1 : xxx]
2925  END
2926  CheckDefFailure(lines, 'E1001:', 1)
2927  lines =<< trim END
2928      var d = 'asdf'[1 : 2
2929  END
2930  CheckDefFailure(lines, 'E1097:', 3)
2931  lines =<< trim END
2932      var d = 'asdf'[1 : 2
2933      echo d
2934  END
2935  CheckDefFailure(lines, 'E111:', 2)
2936  lines =<< trim END
2937      var d = 'asdf'['1']
2938      echo d
2939  END
2940  CheckDefFailure(lines, 'E1012: Type mismatch; expected number but got string', 1)
2941  lines =<< trim END
2942      var d = 'asdf'['1' : 2]
2943      echo d
2944  END
2945  CheckDefFailure(lines, 'E1012: Type mismatch; expected number but got string', 1)
2946  lines =<< trim END
2947      var d = 'asdf'[1 : '2']
2948      echo d
2949  END
2950  CheckDefFailure(lines, 'E1012: Type mismatch; expected number but got string', 1)
2951enddef
2952
2953def Test_expr7_list_subscript()
2954  var lines =<< trim END
2955    var list = [0, 1, 2, 3, 4]
2956    assert_equal(0, list[0])
2957    assert_equal(4, list[4])
2958    assert_equal(4, list[-1])
2959    assert_equal(0, list[-5])
2960
2961    assert_equal([0, 1, 2, 3, 4], list[0 : 4])
2962    assert_equal([0, 1, 2, 3, 4], list[:])
2963    assert_equal([1, 2, 3, 4], list[1 :])
2964    assert_equal([2, 3, 4], list[2 : -1])
2965    assert_equal([4], list[4 : -1])
2966    assert_equal([], list[5 : -1])
2967    assert_equal([], list[999 : -1])
2968    assert_equal([1, 2, 3, 4], list[g:theone : g:thefour])
2969
2970    assert_equal([0, 1, 2, 3], list[0 : 3])
2971    assert_equal([0], list[0 : 0])
2972    assert_equal([0, 1, 2, 3, 4], list[0 : -1])
2973    assert_equal([0, 1, 2], list[0 : -3])
2974    assert_equal([0], list[0 : -5])
2975    assert_equal([], list[0 : -6])
2976    assert_equal([], list[0 : -99])
2977  END
2978  CheckDefAndScriptSuccess(lines)
2979
2980  lines = ['var l = [0, 1, 2]', 'echo l[g:astring : g:theone]']
2981  CheckDefExecFailure(lines, 'E1012:')
2982  CheckScriptFailure(['vim9script'] + lines, 'E1030:', 3)
2983
2984  lines =<< trim END
2985      vim9script
2986      var ld = []
2987      def Func()
2988        eval ld[0].key
2989      enddef
2990      defcompile
2991  END
2992  CheckScriptSuccess(lines)
2993enddef
2994
2995def Test_expr7_dict_subscript()
2996  var lines =<< trim END
2997      vim9script
2998      var l = [{lnum: 2}, {lnum: 1}]
2999      var res = l[0].lnum > l[1].lnum
3000      assert_true(res)
3001
3002      var dd = {}
3003      def Func1()
3004        eval dd.key1.key2
3005      enddef
3006      def Func2()
3007        eval dd['key1'].key2
3008      enddef
3009      defcompile
3010  END
3011  CheckScriptSuccess(lines)
3012enddef
3013
3014def Test_expr7_subscript_linebreak()
3015  var range = range(
3016  		3)
3017  var l = range
3018	->mapnew('string(v:key)')
3019  assert_equal(['0', '1', '2'], l)
3020
3021  l = range
3022  	->mapnew('string(v:key)')
3023  assert_equal(['0', '1', '2'], l)
3024
3025  l = range # comment
3026  	->mapnew('string(v:key)')
3027  assert_equal(['0', '1', '2'], l)
3028
3029  l = range
3030
3031  	->mapnew('string(v:key)')
3032  assert_equal(['0', '1', '2'], l)
3033
3034  l = range
3035	# comment
3036  	->mapnew('string(v:key)')
3037  assert_equal(['0', '1', '2'], l)
3038
3039  assert_equal('1', l[
3040	1])
3041
3042  var d = {one: 33}
3043  assert_equal(33, d.
3044	one)
3045enddef
3046
3047func Test_expr7_trailing_fails()
3048  call CheckDefFailure(['var l = [2]', 'l->((ll) => add(ll, 8))'], 'E107:', 2)
3049  call CheckDefFailure(['var l = [2]', 'l->((ll) => add(ll, 8)) ()'], 'E274:', 2)
3050endfunc
3051
3052func Test_expr_fails()
3053  call CheckDefFailure(["var x = '1'is2"], 'E488:', 1)
3054  call CheckDefFailure(["var x = '1'isnot2"], 'E488:', 1)
3055
3056  call CheckDefFailure(["CallMe ('yes')"], 'E476:', 1)
3057  call CheckScriptFailure(["CallMe ('yes')"], 'E492:', 1)
3058  call CheckDefAndScriptFailure(["CallMe2('yes','no')"], 'E1069:', 1)
3059  call CheckDefFailure(["CallMe2('yes' , 'no')"], 'E1068:', 1)
3060
3061  call CheckDefFailure(["v:nosuch += 3"], 'E1001:', 1)
3062  call CheckDefFailure(["var v:statusmsg = ''"], 'E1016: Cannot declare a v: variable:', 1)
3063  call CheckDefFailure(["var asdf = v:nosuch"], 'E1001:', 1)
3064
3065  call CheckDefFailure(["echo len('asdf'"], 'E110:', 2)
3066  call CheckDefFailure(["echo Func0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789()"], 'E1011:', 1)
3067  call CheckDefFailure(["echo doesnotexist()"], 'E117:', 1)
3068endfunc
3069
3070" vim: shiftwidth=2 sts=2 expandtab
3071