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('charcol')
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      var name = 1
76      		? 'yes'
77		: 'no'
78      assert_equal('yes', name)
79  END
80  CheckDefAndScriptSuccess(lines)
81
82  lines =<< trim END
83      var name = v:false
84      		? 'yes'
85		: 'no'
86      assert_equal('no', name)
87  END
88  CheckDefAndScriptSuccess(lines)
89
90  lines =<< trim END
91      var name = v:false ?
92      		'yes' :
93		'no'
94      assert_equal('no', name)
95  END
96  CheckDefAndScriptSuccess(lines)
97
98  lines =<< trim END
99      var name = v:false ?  # comment
100      		'yes' :
101                # comment
102		'no' # comment
103      assert_equal('no', name)
104  END
105  CheckDefAndScriptSuccess(lines)
106
107  # check white space
108  lines =<< trim END
109      var name = v:true?1:2
110  END
111  CheckDefAndScriptFailure(lines, 'E1004: White space required before and after ''?'' at "?1:2"', 1)
112
113  lines =<< trim END
114      var name = v:true? 1 : 2
115  END
116  CheckDefAndScriptFailure(lines, 'E1004:', 1)
117
118  lines =<< trim END
119      var name = v:true ?1 : 2
120  END
121  CheckDefAndScriptFailure(lines, 'E1004:', 1)
122
123  lines =<< trim END
124      var name = v:true ? 1: 2
125  END
126  CheckDefAndScriptFailure(lines, 'E1004: White space required before and after '':'' at ": 2"', 1)
127
128  lines =<< trim END
129      var name = v:true ? 1 :2
130  END
131  CheckDefAndScriptFailure(lines, 'E1004:', 1)
132
133  lines =<< trim END
134      var name = 'x' ? 1 : 2
135  END
136  CheckDefAndScriptFailure(lines, 'E1135:', 1)
137
138  lines =<< trim END
139      var name = [] ? 1 : 2
140  END
141  CheckDefExecAndScriptFailure(lines, 'E745:', 1)
142
143  lines =<< trim END
144      var name = {} ? 1 : 2
145  END
146  CheckDefExecAndScriptFailure(lines, 'E728:', 1)
147
148  # check after failure eval_flags is reset
149  lines =<< trim END
150      try
151        eval('0 ? 1: 2')
152      catch
153      endtry
154      assert_equal(v:true, eval(string(v:true)))
155  END
156  CheckDefAndScriptSuccess(lines)
157
158  lines =<< trim END
159      try
160        eval('0 ? 1 :2')
161      catch
162      endtry
163      assert_equal(v:true, eval(string(v:true)))
164  END
165  CheckDefAndScriptSuccess(lines)
166enddef
167
168func Test_expr1_trinary_fails()
169  call CheckDefAndScriptFailure(["var x = 1 ? 'one'"], "Missing ':' after '?'", 1)
170
171  let msg = "White space required before and after '?'"
172  call CheckDefAndScriptFailure(["var x = 1? 'one' : 'two'"], msg, 1)
173  call CheckDefAndScriptFailure(["var x = 1 ?'one' : 'two'"], msg, 1)
174  call CheckDefAndScriptFailure(["var x = 1?'one' : 'two'"], msg, 1)
175  let lines =<< trim END
176    var x = 1
177     ?'one' : 'two'
178     # comment
179  END
180  call CheckDefAndScriptFailure(lines, 'E1004: White space required before and after ''?'' at "?''one'' : ''two''"', 2)
181
182  let msg = "White space required before and after ':'"
183  call CheckDefAndScriptFailure(["var x = 1 ? 'one': 'two'"], msg, 1)
184  call CheckDefAndScriptFailure(["var x = 1 ? 'one' :'two'"], msg, 1)
185  call CheckDefAndScriptFailure(["var x = 1 ? 'one':'two'"], msg, 1)
186  let lines =<< trim END
187    var x = 1 ? 'one'
188          :'two'
189          # Comment
190  END
191  call CheckDefAndScriptFailure(lines, 'E1004: White space required before and after '':'' at ":''two''"', 2)
192
193  call CheckDefAndScriptFailure(["var x = 'x' ? 'one' : 'two'"], 'E1135:', 1)
194  call CheckDefAndScriptFailure(["var x = 0z1234 ? 'one' : 'two'"], 'E974:', 1)
195  call CheckDefExecAndScriptFailure(["var x = [] ? 'one' : 'two'"], 'E745:', 1)
196  call CheckDefExecAndScriptFailure(["var x = {} ? 'one' : 'two'"], 'E728:', 1)
197
198  call CheckDefExecFailure(["var x = false ? "], 'E1097:', 3)
199  call CheckScriptFailure(['vim9script', "var x = false ? "], 'E15:', 2)
200  call CheckDefExecFailure(["var x = false ? 'one' : "], 'E1097:', 3)
201  call CheckScriptFailure(['vim9script', "var x = false ? 'one' : "], 'E15:', 2)
202
203  call CheckDefExecAndScriptFailure2(["var x = true ? xxx : 'foo'"], 'E1001:', 'E121:', 1)
204  call CheckDefExecAndScriptFailure2(["var x = false ? 'foo' : xxx"], 'E1001:', 'E121:', 1)
205
206  if has('float')
207    call CheckDefAndScriptFailure(["var x = 0.1 ? 'one' : 'two'"], 'E805:', 1)
208  endif
209
210  " missing argument detected even when common type is used
211  call CheckDefAndScriptFailure([
212	\ 'var X = FuncOne',
213	\ 'var Y = FuncTwo',
214	\ 'var Z = g:cond ? FuncOne : FuncTwo',
215	\ 'Z()'], 'E119:', 4)
216endfunc
217
218def Test_expr1_falsy()
219  var lines =<< trim END
220      assert_equal(v:true, v:true ?? 456)
221      assert_equal(123, 123 ?? 456)
222      assert_equal('yes', 'yes' ?? 456)
223      assert_equal([1], [1] ?? 456)
224      assert_equal({one: 1}, {one: 1} ?? 456)
225      if has('float')
226        assert_equal(0.1, 0.1 ?? 456)
227      endif
228
229      assert_equal(456, v:false ?? 456)
230      assert_equal(456, 0 ?? 456)
231      assert_equal(456, '' ?? 456)
232      assert_equal(456, [] ?? 456)
233      assert_equal(456, {} ?? 456)
234      if has('float')
235        assert_equal(456, 0.0 ?? 456)
236      endif
237  END
238  CheckDefAndScriptSuccess(lines)
239
240  var msg = "White space required before and after '??'"
241  call CheckDefAndScriptFailure(["var x = 1?? 'one' : 'two'"], msg, 1)
242  call CheckDefAndScriptFailure(["var x = 1 ??'one' : 'two'"], msg, 1)
243  call CheckDefAndScriptFailure(["var x = 1??'one' : 'two'"], msg, 1)
244  lines =<< trim END
245    var x = 1
246      ??'one' : 'two'
247      #comment
248  END
249  CheckDefAndScriptFailure(lines, 'E1004: White space required before and after ''??'' at "??''one'' : ''two''"', 2)
250enddef
251
252def Record(val: any): any
253  g:vals->add(val)
254  return val
255enddef
256
257" test ||
258def Test_expr2()
259  var lines =<< trim END
260      assert_equal(true, 1 || 0)
261      assert_equal(true, 0 ||
262                        0 ||
263                        1)
264      assert_equal(true, 0 ||
265			0 ||
266			!!7)
267      assert_equal(false, 0 || 0)
268      assert_equal(false, 0
269                        || 0)
270      assert_equal(false, 0 || false)
271
272      g:vals = []
273      assert_equal(true, Record(1) || Record(3))
274      assert_equal([1], g:vals)
275
276      g:vals = []
277      assert_equal(true, Record(0) || Record(1))
278      assert_equal([0, 1], g:vals)
279
280      g:vals = []
281      assert_equal(true, Record(0) || Record(true))
282      assert_equal([0, true], g:vals)
283
284      g:vals = []
285      assert_equal(true, Record(0)
286                          || Record(1)
287                          || Record(0))
288      assert_equal([0, 1], g:vals)
289
290      g:vals = []
291      assert_equal(true, Record(0)
292			  || Record(true)
293			  || Record(0))
294      assert_equal([0, true], g:vals)
295
296      g:vals = []
297      assert_equal(true, Record(true) || Record(false))
298      assert_equal([true], g:vals)
299
300      g:vals = []
301      assert_equal(false, Record(0) || Record(false) || Record(0))
302      assert_equal([0, false, 0], g:vals)
303
304      g:vals = []
305      var x = 1
306      if x || true
307        g:vals = [1]
308      endif
309      assert_equal([1], g:vals)
310
311      g:vals = []
312      x = 3
313      if true || x
314        g:vals = [1]
315      endif
316      assert_equal([1], g:vals)
317  END
318  CheckDefAndScriptSuccess(lines)
319enddef
320
321def Test_expr2_vimscript()
322  # check line continuation
323  var lines =<< trim END
324      var name = 0
325      		|| 1
326      assert_equal(true, name)
327  END
328  CheckDefAndScriptSuccess(lines)
329
330  lines =<< trim END
331      var name = v:false
332      		|| v:true
333      		|| v:false
334      assert_equal(v:true, name)
335  END
336  CheckDefAndScriptSuccess(lines)
337
338  lines =<< trim END
339      var name = v:false ||
340      		v:true ||
341		v:false
342      assert_equal(v:true, name)
343  END
344  CheckDefAndScriptSuccess(lines)
345
346  lines =<< trim END
347      var name = v:false || # comment
348                # comment
349      		v:true ||
350                # comment
351		v:false # comment
352      assert_equal(v:true, name)
353  END
354  CheckDefAndScriptSuccess(lines)
355
356  # check white space
357  lines =<< trim END
358      var name = v:true||v:true
359  END
360  CheckDefExecAndScriptFailure(lines, 'E1004: White space required before and after ''||'' at "||v:true"', 1)
361
362  lines =<< trim END
363      var name = v:true ||v:true
364  END
365  CheckDefAndScriptFailure(lines, 'E1004:', 1)
366
367  lines =<< trim END
368      var name = v:true|| v:true
369  END
370  CheckDefAndScriptFailure(lines, 'E1004:', 1)
371enddef
372
373def Test_expr2_fails()
374  var msg = "White space required before and after '||'"
375  call CheckDefAndScriptFailure(["var x = 1||0"], msg, 1)
376  call CheckDefAndScriptFailure(["var x = 1 ||0"], msg, 1)
377  call CheckDefAndScriptFailure(["var x = 1|| 0"], msg, 1)
378
379  call CheckDefFailure(["var x = false || "], 'E1097:', 3)
380  call CheckScriptFailure(['vim9script', "var x = false || "], 'E15:', 2)
381
382  # script does not fail, the second expression is skipped
383  call CheckDefFailure(["var x = 1 || xxx"], 'E1001:', 1)
384
385  call CheckDefAndScriptFailure2(["var x = [] || false"], 'E1012:', 'E745:', 1)
386
387  call CheckDefAndScriptFailure2(["if 'yes' || 0", 'echo 0', 'endif'], 'E1012: Type mismatch; expected bool but got string', 'E1135: Using a String as a Bool', 1)
388
389  call CheckDefAndScriptFailure2(["var x = 3 || false"], 'E1012:', 'E1023:', 1)
390  call CheckDefAndScriptFailure2(["var x = false || 3"], 'E1012:', 'E1023:', 1)
391
392  call CheckDefAndScriptFailure(["if 3"], 'E1023:', 1)
393  call CheckDefExecAndScriptFailure(['var x = 3', 'if x', 'endif'], 'E1023:', 2)
394
395  call CheckDefAndScriptFailure2(["var x = [] || false"], 'E1012: Type mismatch; expected bool but got list<unknown>', 'E745:', 1)
396
397  var lines =<< trim END
398    vim9script
399    echo false
400      ||true
401    # comment
402  END
403  CheckScriptFailure(lines, 'E1004: White space required before and after ''||'' at "||true"', 3)
404
405  lines =<< trim END
406      var x = false
407              || false
408              || a.b
409  END
410  CheckDefFailure(lines, 'E1001:', 3)
411enddef
412
413" test &&
414def Test_expr3()
415  var lines =<< trim END
416      assert_equal(false, 1 && 0)
417      assert_equal(false, 0 &&
418                    0 &&
419                    1)
420      assert_equal(true, 1
421                        && true
422                        && 1)
423      assert_equal(false, 0 && 0)
424      assert_equal(false, 0 && false)
425      assert_equal(true, 1 && true)
426
427      g:vals = []
428      assert_equal(true, Record(true) && Record(1))
429      assert_equal([true, 1], g:vals)
430
431      g:vals = []
432      assert_equal(true, Record(1) && Record(true))
433      assert_equal([1, true], g:vals)
434
435      g:vals = []
436      assert_equal(false, Record(0) && Record(1))
437      assert_equal([0], g:vals)
438
439      g:vals = []
440      assert_equal(false, Record(0) && Record(1) && Record(0))
441      assert_equal([0], g:vals)
442
443      g:vals = []
444      assert_equal(false, Record(0) && Record(4) && Record(0))
445      assert_equal([0], g:vals)
446
447      g:vals = []
448      assert_equal(false, Record(1) && Record(true) && Record(0))
449      assert_equal([1, true, 0], g:vals)
450  END
451  CheckDefAndScriptSuccess(lines)
452enddef
453
454def Test_expr3_vimscript()
455  # check line continuation
456  var lines =<< trim END
457      var name = 0
458      		&& 1
459      assert_equal(false, name)
460  END
461  CheckDefAndScriptSuccess(lines)
462
463  lines =<< trim END
464      var name = v:true
465      		&& v:true
466      		&& v:true
467      assert_equal(v:true, name)
468  END
469  CheckDefAndScriptSuccess(lines)
470
471  lines =<< trim END
472      var name = v:true &&
473      		v:true &&
474      		v:true
475      assert_equal(v:true, name)
476  END
477  CheckDefAndScriptSuccess(lines)
478
479  lines =<< trim END
480      var name = v:true &&  # comment
481                # comment
482      		v:true &&
483                # comment
484      		v:true
485      assert_equal(v:true, name)
486  END
487  CheckDefAndScriptSuccess(lines)
488
489  # check white space
490  lines =<< trim END
491      var name = v:true&&v:true
492  END
493  CheckDefAndScriptFailure(lines, 'E1004:', 1)
494
495  lines =<< trim END
496      var name = v:true &&v:true
497  END
498  CheckDefAndScriptFailure(lines, 'E1004: White space required before and after ''&&'' at "&&v:true"', 1)
499
500  lines =<< trim END
501      var name = v:true&& v:true
502  END
503  CheckDefAndScriptFailure(lines, 'E1004:', 1)
504enddef
505
506def Test_expr3_fails()
507  var msg = "White space required before and after '&&'"
508  CheckDefAndScriptFailure(["var x = 1&&0"], msg, 1)
509  CheckDefAndScriptFailure(["var x = 1 &&0"], msg, 1)
510  CheckDefAndScriptFailure(["var x = 1&& 0"], msg, 1)
511  var lines =<< trim END
512    var x = 1
513      &&0
514    # comment
515  END
516  CheckDefAndScriptFailure(lines, 'E1004: White space required before and after ''&&'' at "&&0"', 2)
517
518  g:vals = []
519  CheckDefAndScriptFailure2(["if 'yes' && 0", 'echo 0', 'endif'], 'E1012: Type mismatch; expected bool but got string', 'E1135: Using a String as a Bool', 1)
520
521  CheckDefExecAndScriptFailure(['assert_equal(false, Record(1) && Record(4) && Record(0))'], 'E1023: Using a Number as a Bool: 4', 1)
522
523  lines =<< trim END
524      if 3
525          && true
526      endif
527  END
528  CheckDefAndScriptFailure2(lines, 'E1012:', 'E1023:', 1)
529
530  lines =<< trim END
531      if true
532          && 3
533      endif
534  END
535  CheckDefAndScriptFailure2(lines, 'E1012:', 'E1023:', 2)
536
537  lines =<< trim END
538      if 'yes'
539          && true
540      endif
541  END
542  CheckDefAndScriptFailure2(lines, 'E1012:', 'E1135: Using a String as a Bool', 1)
543enddef
544
545" global variables to use for tests with the "any" type
546let atrue = v:true
547let afalse = v:false
548let anone = v:none
549let anull = v:null
550let anint = 10
551let theone = 1
552let thefour = 4
553if has('float')
554  let afloat = 0.1
555endif
556let astring = 'asdf'
557let ablob = 0z01ab
558let alist = [2, 3, 4]
559let adict = #{aaa: 2, bbb: 8}
560
561" test == comperator
562def Test_expr4_equal()
563  var lines =<< trim END
564      var trueVar = true
565      var falseVar = false
566      assert_equal(true, true == true)
567      assert_equal(false, true ==
568                            false)
569      assert_equal(true, true
570                            == trueVar)
571      assert_equal(false, true == falseVar)
572      assert_equal(true, true == g:atrue)
573      assert_equal(false, g:atrue == false)
574
575      assert_equal(true, v:none == v:none)
576      assert_equal(false, v:none == v:null)
577      assert_equal(true, g:anone == v:none)
578      assert_equal(true, null == v:null)
579      assert_equal(true, null == g:anull)
580      assert_equal(false, v:none == g:anull)
581
582      var nr0 = 0
583      var nr61 = 61
584      assert_equal(false, 2 == 0)
585      assert_equal(false, 2 == nr0)
586      assert_equal(true, 61 == 61)
587      assert_equal(true, 61 == nr61)
588      assert_equal(true, g:anint == 10)
589      assert_equal(false, 61 == g:anint)
590
591      if has('float')
592        var ff = 0.3
593        assert_equal(true, ff == 0.3)
594        assert_equal(false, 0.4 == ff)
595        assert_equal(true, 0.1 == g:afloat)
596        assert_equal(false, g:afloat == 0.3)
597
598        ff = 3.0
599        assert_equal(true, ff == 3)
600        assert_equal(true, 3 == ff)
601        ff = 3.1
602        assert_equal(false, ff == 3)
603        assert_equal(false, 3 == ff)
604      endif
605
606      assert_equal(true, 'abc' == 'abc')
607      assert_equal(false, 'xyz' == 'abc')
608      assert_equal(true, g:astring == 'asdf')
609      assert_equal(false, 'xyz' == g:astring)
610
611      assert_equal(false, 'abc' == 'aBc')
612      assert_equal(false, 'abc' ==# 'aBc')
613      assert_equal(true, 'abc' ==? 'aBc')
614
615      assert_equal(false, 'abc' == 'ABC')
616      set ignorecase
617      assert_equal(false, 'abc' == 'ABC')
618      assert_equal(false, 'abc' ==# 'ABC')
619      assert_equal(true, 'abc' ==? 'ABC')
620      set noignorecase
621
622      var bb = 0z3f
623      assert_equal(true, 0z3f == bb)
624      assert_equal(false, bb == 0z4f)
625      assert_equal(true, g:ablob == 0z01ab)
626      assert_equal(false, 0z3f == g:ablob)
627
628      assert_equal(true, [1, 2, 3] == [1, 2, 3])
629      assert_equal(false, [1, 2, 3] == [2, 3, 1])
630      assert_equal(true, [2, 3, 4] == g:alist)
631      assert_equal(false, g:alist == [2, 3, 1])
632      assert_equal(false, [1, 2, 3] == [])
633      assert_equal(false, [1, 2, 3] == ['1', '2', '3'])
634
635      assert_equal(true, {one: 1, two: 2} == {one: 1, two: 2})
636      assert_equal(false, {one: 1, two: 2} == {one: 2, two: 2})
637      assert_equal(false, {one: 1, two: 2} == {two: 2})
638      assert_equal(false, {one: 1, two: 2} == {})
639      assert_equal(true, g:adict == {bbb: 8, aaa: 2})
640      assert_equal(false, {ccc: 9, aaa: 2} == g:adict)
641
642      assert_equal(true, function('g:Test_expr4_equal') == function('g:Test_expr4_equal'))
643      assert_equal(false, function('g:Test_expr4_equal') == function('g:Test_expr4_is'))
644
645      assert_equal(true, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_equal', [123]))
646      assert_equal(false, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_is', [123]))
647      assert_equal(false, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_equal', [999]))
648
649      # TODO: this unexpectedly sometimes fails on Appveyor
650      if !has('win32')
651        var OneFunc: func
652        var TwoFunc: func
653        OneFunc = function('len')
654        TwoFunc = function('len')
655        assert_equal(true, OneFunc('abc') == TwoFunc('123'))
656      endif
657  END
658  CheckDefAndScriptSuccess(lines)
659
660  CheckDefAndScriptFailure2(["var x = 'a' == xxx"], 'E1001:', 'E121:', 1)
661  CheckDefFailure(["var x = 'a' == "], 'E1097:', 3)
662  CheckScriptFailure(['vim9script', "var x = 'a' == "], 'E15:', 2)
663
664  CheckDefExecAndScriptFailure2(['var items: any', 'eval 1 + 1', 'eval 2 + 2', 'if items == []', 'endif'], 'E691:', 'E1072:', 4)
665
666  CheckDefExecAndScriptFailure(['var x: any = "a"', 'echo x == true'], 'E1072: Cannot compare string with bool', 2)
667  CheckDefExecAndScriptFailure(["var x: any = true", 'echo x == ""'], 'E1072: Cannot compare bool with string', 2)
668  CheckDefExecAndScriptFailure2(["var x: any = 99", 'echo x == true'], 'E1138', 'E1072:', 2)
669  CheckDefExecAndScriptFailure2(["var x: any = 'a'", 'echo x == 99'], 'E1030:', 'E1072:', 2)
670enddef
671
672def Test_expr4_wrong_type()
673  for op in ['>', '>=', '<', '<=', '=~', '!~']
674    CheckDefExecAndScriptFailure([
675        "var a: any = 'a'",
676        'var b: any = true',
677        'echo a ' .. op .. ' b'], 'E1072:', 3)
678  endfor
679  for op in ['>', '>=', '<', '<=']
680    CheckDefExecAndScriptFailure2([
681        "var n: any = 2",
682        'echo n ' .. op .. ' "3"'], 'E1030:', 'E1072:', 2)
683  endfor
684  for op in ['=~', '!~']
685    CheckDefExecAndScriptFailure([
686        "var n: any = 2",
687        'echo n ' .. op .. ' "3"'], 'E1072:', 2)
688  endfor
689
690  CheckDefAndScriptFailure([
691      'echo v:none == true'], 'E1072:', 1)
692  CheckDefAndScriptFailure([
693      'echo false >= true'], 'E1072:', 1)
694  CheckDefExecAndScriptFailure([
695      "var n: any = v:none",
696      'echo n == true'], 'E1072:', 2)
697  CheckDefExecAndScriptFailure([
698      "var n: any = v:none",
699      'echo n < true'], 'E1072:', 2)
700enddef
701
702" test != comperator
703def Test_expr4_notequal()
704  var lines =<< trim END
705      var trueVar = true
706      var falseVar = false
707      assert_equal(false, true != true)
708      assert_equal(true, true !=
709                            false)
710      assert_equal(false, true
711                            != trueVar)
712      assert_equal(true, true != falseVar)
713      assert_equal(false, true != g:atrue)
714      assert_equal(true, g:atrue != false)
715
716      assert_equal(false, v:none != v:none)
717      assert_equal(true, v:none != v:null)
718      assert_equal(false, g:anone != v:none)
719      assert_equal(true, v:none != g:anull)
720
721      var nr55 = 55
722      var nr0 = 55
723      assert_equal(true, 2 != 0)
724      assert_equal(true, 2 != nr0)
725      assert_equal(false, 55 != 55)
726      assert_equal(false, 55 != nr55)
727      assert_equal(false, g:anint != 10)
728      assert_equal(true, 61 != g:anint)
729
730      if has('float')
731        var ff = 0.3
732        assert_equal(false, 0.3 != ff)
733        assert_equal(true, 0.4 != ff)
734        assert_equal(false, 0.1 != g:afloat)
735        assert_equal(true, g:afloat != 0.3)
736
737        ff = 3.0
738        assert_equal(false, ff != 3)
739        assert_equal(false, 3 != ff)
740        ff = 3.1
741        assert_equal(true, ff != 3)
742        assert_equal(true, 3 != ff)
743      endif
744
745      assert_equal(false, 'abc' != 'abc')
746      assert_equal(true, 'xyz' != 'abc')
747      assert_equal(false, g:astring != 'asdf')
748      assert_equal(true, 'xyz' != g:astring)
749
750      assert_equal(true, 'abc' != 'ABC')
751      set ignorecase
752      assert_equal(true, 'abc' != 'ABC')
753      assert_equal(true, 'abc' !=# 'ABC')
754      assert_equal(false, 'abc' !=? 'ABC')
755      set noignorecase
756
757      var bb = 0z3f
758      assert_equal(false, 0z3f != bb)
759      assert_equal(true, bb != 0z4f)
760      assert_equal(false, g:ablob != 0z01ab)
761      assert_equal(true, 0z3f != g:ablob)
762
763      assert_equal(false, [1, 2, 3] != [1, 2, 3])
764      assert_equal(true, [1, 2, 3] != [2, 3, 1])
765      assert_equal(false, [2, 3, 4] != g:alist)
766      assert_equal(true, g:alist != [2, 3, 1])
767      assert_equal(true, [1, 2, 3] != [])
768      assert_equal(true, [1, 2, 3] != ['1', '2', '3'])
769
770      assert_equal(false, {one: 1, two: 2} != {one: 1, two: 2})
771      assert_equal(true, {one: 1, two: 2} != {one: 2, two: 2})
772      assert_equal(true, {one: 1, two: 2} != {two: 2})
773      assert_equal(true, {one: 1, two: 2} != {})
774      assert_equal(false, g:adict != {bbb: 8, aaa: 2})
775      assert_equal(true, {ccc: 9, aaa: 2} != g:adict)
776
777      assert_equal(false, function('g:Test_expr4_equal') != function('g:Test_expr4_equal'))
778      assert_equal(true, function('g:Test_expr4_equal') != function('g:Test_expr4_is'))
779
780      assert_equal(false, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_equal', [123]))
781      assert_equal(true, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_is', [123]))
782      assert_equal(true, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_equal', [999]))
783  END
784  CheckDefAndScriptSuccess(lines)
785enddef
786
787" test > comperator
788def Test_expr4_greater()
789  var lines =<< trim END
790      assert_true(2 > 0)
791      assert_true(2 >
792                    1)
793      assert_false(2 > 2)
794      assert_false(2 > 3)
795      var nr2 = 2
796      assert_true(nr2 > 0)
797      assert_true(nr2 >
798                    1)
799      assert_false(nr2 > 2)
800      assert_false(nr2
801                        > 3)
802      if has('float')
803        var ff = 2.0
804        assert_true(ff > 0.0)
805        assert_true(ff > 1.0)
806        assert_false(ff > 2.0)
807        assert_false(ff > 3.0)
808      endif
809  END
810  CheckDefAndScriptSuccess(lines)
811enddef
812
813" test >= comperator
814def Test_expr4_greaterequal()
815  var lines =<< trim END
816      assert_true(2 >= 0)
817      assert_true(2 >=
818                            2)
819      assert_false(2 >= 3)
820      var nr2 = 2
821      assert_true(nr2 >= 0)
822      assert_true(nr2 >= 2)
823      assert_false(nr2 >= 3)
824      if has('float')
825        var ff = 2.0
826        assert_true(ff >= 0.0)
827        assert_true(ff >= 2.0)
828        assert_false(ff >= 3.0)
829      endif
830  END
831  CheckDefAndScriptSuccess(lines)
832enddef
833
834" test < comperator
835def Test_expr4_smaller()
836  var lines =<< trim END
837      assert_false(2 < 0)
838      assert_false(2 <
839                            2)
840      assert_true(2
841                    < 3)
842      var nr2 = 2
843      assert_false(nr2 < 0)
844      assert_false(nr2 < 2)
845      assert_true(nr2 < 3)
846      if has('float')
847        var ff = 2.0
848        assert_false(ff < 0.0)
849        assert_false(ff < 2.0)
850        assert_true(ff < 3.0)
851      endif
852  END
853  CheckDefAndScriptSuccess(lines)
854enddef
855
856" test <= comperator
857def Test_expr4_smallerequal()
858  var lines =<< trim END
859      assert_false(2 <= 0)
860      assert_false(2 <=
861                            1)
862      assert_true(2
863                    <= 2)
864      assert_true(2 <= 3)
865      var nr2 = 2
866      assert_false(nr2 <= 0)
867      assert_false(nr2 <= 1)
868      assert_true(nr2 <= 2)
869      assert_true(nr2 <= 3)
870      if has('float')
871        var ff = 2.0
872        assert_false(ff <= 0.0)
873        assert_false(ff <= 1.0)
874        assert_true(ff <= 2.0)
875        assert_true(ff <= 3.0)
876      endif
877  END
878  CheckDefAndScriptSuccess(lines)
879enddef
880
881" test =~ comperator
882def Test_expr4_match()
883  var lines =<< trim END
884      assert_equal(false, '2' =~ '0')
885      assert_equal(false, ''
886                             =~ '0')
887      assert_equal(true, '2' =~
888                            '[0-9]')
889      set ignorecase
890      assert_equal(false, 'abc' =~ 'ABC')
891      assert_equal(false, 'abc' =~# 'ABC')
892      assert_equal(true, 'abc' =~? 'ABC')
893      set noignorecase
894  END
895  CheckDefAndScriptSuccess(lines)
896enddef
897
898" test !~ comperator
899def Test_expr4_nomatch()
900  var lines =<< trim END
901      assert_equal(true, '2' !~ '0')
902      assert_equal(true, ''
903                            !~ '0')
904      assert_equal(false, '2' !~
905                            '[0-9]')
906  END
907  CheckDefAndScriptSuccess(lines)
908enddef
909
910" test is comperator
911def Test_expr4_is()
912  var lines =<< trim END
913      var mylist = [2]
914      assert_false(mylist is [2])
915      var other = mylist
916      assert_true(mylist is
917                    other)
918
919      var myblob = 0z1234
920      assert_false(myblob
921                            is 0z1234)
922      var otherblob = myblob
923      assert_true(myblob is otherblob)
924  END
925  CheckDefAndScriptSuccess(lines)
926enddef
927
928" test isnot comperator
929def Test_expr4_isnot()
930  var lines =<< trim END
931      var mylist = [2]
932      assert_true('2' isnot '0')
933      assert_true(mylist isnot [2])
934      var other = mylist
935      assert_false(mylist isnot
936                            other)
937
938      var myblob = 0z1234
939      assert_true(myblob
940                    isnot 0z1234)
941      var otherblob = myblob
942      assert_false(myblob isnot otherblob)
943  END
944  CheckDefAndScriptSuccess(lines)
945enddef
946
947def RetVoid()
948  var x = 1
949enddef
950
951def Test_expr4_vim9script()
952  # check line continuation
953  var lines =<< trim END
954      var name = 0
955      		< 1
956      assert_equal(true, name)
957  END
958  CheckDefAndScriptSuccess(lines)
959
960  lines =<< trim END
961      var name = 123
962                # comment
963      		!= 123
964      assert_equal(false, name)
965  END
966  CheckDefAndScriptSuccess(lines)
967
968  lines =<< trim END
969      var name = 123 ==
970      			123
971      assert_equal(true, name)
972  END
973  CheckDefAndScriptSuccess(lines)
974
975  lines =<< trim END
976      var list = [1, 2, 3]
977      var name = list
978      		is list
979      assert_equal(true, name)
980  END
981  CheckDefAndScriptSuccess(lines)
982
983  lines =<< trim END
984      var list = [1, 2, 3]
985      var name = list # comment
986                 # comment
987      		is list
988      assert_equal(true, name)
989  END
990  CheckDefAndScriptSuccess(lines)
991
992  lines =<< trim END
993      var myblob = 0z1234
994      var name = myblob
995      		isnot 0z11
996      assert_equal(true, name)
997  END
998  CheckDefAndScriptSuccess(lines)
999
1000  # spot check mismatching types
1001  lines =<< trim END
1002      echo '' == 0
1003  END
1004  CheckDefAndScriptFailure(lines, 'E1072:', 1)
1005
1006  lines =<< trim END
1007      echo v:true > v:false
1008  END
1009  CheckDefAndScriptFailure(lines, 'Cannot compare bool with bool', 1)
1010
1011  lines =<< trim END
1012      echo 123 is 123
1013  END
1014  CheckDefAndScriptFailure(lines, 'Cannot use "is" with number', 1)
1015
1016  # check missing white space
1017  lines =<< trim END
1018    echo 2>3
1019  END
1020  CheckDefAndScriptFailure(lines, 'E1004: White space required before and after ''>'' at ">3"', 1)
1021
1022  lines =<< trim END
1023    echo 2 >3
1024  END
1025  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1026
1027  lines =<< trim END
1028    echo 2> 3
1029  END
1030  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1031
1032  lines =<< trim END
1033    echo 2!=3
1034  END
1035  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1036
1037  lines =<< trim END
1038    echo 2 !=3
1039  END
1040  CheckDefAndScriptFailure(lines, 'E1004: White space required before and after ''!='' at "!=3"', 1)
1041
1042  lines =<< trim END
1043    echo 2!= 3
1044  END
1045  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1046
1047  for op in ['==', '>', '>=', '<', '<=', '=~', '!~', 'is', 'isnot']
1048    lines = ["echo 'aaa'", op .. "'bbb'", '# comment']
1049    var msg = printf("E1004: White space required before and after '%s'", op)
1050    CheckDefAndScriptFailure(lines, msg, 2)
1051  endfor
1052
1053  lines =<< trim END
1054    echo len('xxx') == 3
1055  END
1056  CheckDefAndScriptSuccess(lines)
1057
1058  lines =<< trim END
1059    var line = 'abc'
1060    echo line[1] =~ '\w'
1061  END
1062  CheckDefAndScriptSuccess(lines)
1063enddef
1064
1065func Test_expr4_fails()
1066  let msg = "White space required before and after '>'"
1067  call CheckDefAndScriptFailure(["var x = 1>2"], msg, 1)
1068  call CheckDefAndScriptFailure(["var x = 1 >2"], msg, 1)
1069  call CheckDefAndScriptFailure(["var x = 1> 2"], msg, 1)
1070
1071  let msg = "White space required before and after '=='"
1072  call CheckDefAndScriptFailure(["var x = 1==2"], msg, 1)
1073  call CheckDefAndScriptFailure(["var x = 1 ==2"], msg, 1)
1074  call CheckDefAndScriptFailure(["var x = 1== 2"], msg, 1)
1075
1076  let msg = "White space required before and after 'is'"
1077  call CheckDefAndScriptFailure(["var x = '1'is'2'"], msg, 1)
1078  call CheckDefAndScriptFailure(["var x = '1' is'2'"], msg, 1)
1079  call CheckDefAndScriptFailure(["var x = '1'is '2'"], msg, 1)
1080
1081  let msg = "White space required before and after 'isnot'"
1082  call CheckDefAndScriptFailure(["var x = '1'isnot'2'"], msg, 1)
1083  call CheckDefAndScriptFailure(["var x = '1' isnot'2'"], msg, 1)
1084  call CheckDefAndScriptFailure(["var x = '1'isnot '2'"], msg, 1)
1085
1086  call CheckDefAndScriptFailure(["var x = 1 is# 2"], 'E15:', 1)
1087  call CheckDefAndScriptFailure(["var x = 1 is? 2"], 'E15:', 1)
1088  call CheckDefAndScriptFailure(["var x = 1 isnot# 2"], 'E15:', 1)
1089  call CheckDefAndScriptFailure(["var x = 1 isnot? 2"], 'E15:', 1)
1090
1091  call CheckDefAndScriptFailure(["var x = 1 == '2'"], 'Cannot compare number with string', 1)
1092  call CheckDefAndScriptFailure(["var x = '1' == 2"], 'Cannot compare string with number', 1)
1093  call CheckDefAndScriptFailure(["var x = 1 == RetVoid()"], 'Cannot compare number with void', 1)
1094  call CheckDefAndScriptFailure(["var x = RetVoid() == 1"], 'Cannot compare void with number', 1)
1095
1096  call CheckDefAndScriptFailure(["var x = true > false"], 'Cannot compare bool with bool', 1)
1097  call CheckDefAndScriptFailure(["var x = true >= false"], 'Cannot compare bool with bool', 1)
1098  call CheckDefAndScriptFailure(["var x = true < false"], 'Cannot compare bool with bool', 1)
1099  call CheckDefAndScriptFailure(["var x = true <= false"], 'Cannot compare bool with bool', 1)
1100  call CheckDefAndScriptFailure(["var x = true =~ false"], 'Cannot compare bool with bool', 1)
1101  call CheckDefAndScriptFailure(["var x = true !~ false"], 'Cannot compare bool with bool', 1)
1102  call CheckDefAndScriptFailure(["var x = true is false"], 'Cannot use "is" with bool', 1)
1103  call CheckDefAndScriptFailure(["var x = true isnot false"], 'Cannot use "isnot" with bool', 1)
1104
1105  call CheckDefAndScriptFailure(["var x = v:none is v:null"], 'Cannot use "is" with special', 1)
1106  call CheckDefAndScriptFailure(["var x = v:none isnot v:null"], 'Cannot use "isnot" with special', 1)
1107  call CheckDefAndScriptFailure(["var x = 123 is 123"], 'Cannot use "is" with number', 1)
1108  call CheckDefAndScriptFailure(["var x = 123 isnot 123"], 'Cannot use "isnot" with number', 1)
1109  if has('float')
1110    call CheckDefAndScriptFailure(["var x = 1.3 is 1.3"], 'Cannot use "is" with float', 1)
1111    call CheckDefAndScriptFailure(["var x = 1.3 isnot 1.3"], 'Cannot use "isnot" with float', 1)
1112  endif
1113
1114  call CheckDefAndScriptFailure(["var x = 0za1 > 0z34"], 'Cannot compare blob with blob', 1)
1115  call CheckDefAndScriptFailure(["var x = 0za1 >= 0z34"], 'Cannot compare blob with blob', 1)
1116  call CheckDefAndScriptFailure(["var x = 0za1 < 0z34"], 'Cannot compare blob with blob', 1)
1117  call CheckDefAndScriptFailure(["var x = 0za1 <= 0z34"], 'Cannot compare blob with blob', 1)
1118  call CheckDefAndScriptFailure(["var x = 0za1 =~ 0z34"], 'Cannot compare blob with blob', 1)
1119  call CheckDefAndScriptFailure(["var x = 0za1 !~ 0z34"], 'Cannot compare blob with blob', 1)
1120
1121  call CheckDefAndScriptFailure(["var x = [13] > [88]"], 'Cannot compare list with list', 1)
1122  call CheckDefAndScriptFailure(["var x = [13] >= [88]"], 'Cannot compare list with list', 1)
1123  call CheckDefAndScriptFailure(["var x = [13] < [88]"], 'Cannot compare list with list', 1)
1124  call CheckDefAndScriptFailure(["var x = [13] <= [88]"], 'Cannot compare list with list', 1)
1125  call CheckDefAndScriptFailure(["var x = [13] =~ [88]"], 'Cannot compare list with list', 1)
1126  call CheckDefAndScriptFailure(["var x = [13] !~ [88]"], 'Cannot compare list with list', 1)
1127
1128  call CheckDefAndScriptFailure(['var j: job', 'var chan: channel', 'var r = j == chan'], 'Cannot compare job with channel', 3)
1129  call CheckDefAndScriptFailure(['var j: job', 'var x: list<any>', 'var r = j == x'], 'Cannot compare job with list', 3)
1130  call CheckDefAndScriptFailure(['var j: job', 'var Xx: func', 'var r = j == Xx'], 'Cannot compare job with func', 3)
1131  call CheckDefAndScriptFailure(['var j: job', 'var Xx: func', 'var r = j == Xx'], 'Cannot compare job with func', 3)
1132endfunc
1133
1134" test addition, subtraction, concatenation
1135def Test_expr5()
1136  var lines =<< trim END
1137      assert_equal(66, 60 + 6)
1138      assert_equal(70, 60 +
1139                            g:anint)
1140      assert_equal(9, g:thefour
1141                            + 5)
1142      assert_equal(14, g:thefour + g:anint)
1143      assert_equal([1, 2, 3, 4], [1] + g:alist)
1144
1145      assert_equal(54, 60 - 6)
1146      assert_equal(50, 60 -
1147                        g:anint)
1148      assert_equal(-1, g:thefour
1149                            - 5)
1150      assert_equal(-6, g:thefour - g:anint)
1151
1152      assert_equal('hello', 'hel' .. 'lo')
1153      assert_equal('hello 123', 'hello ' ..
1154                                            123)
1155      assert_equal('hello 123', 'hello '
1156                                    ..  123)
1157      assert_equal('123 hello', 123 .. ' hello')
1158      assert_equal('123456', 123 .. 456)
1159
1160      assert_equal('atrue', 'a' .. true)
1161      assert_equal('afalse', 'a' .. false)
1162      assert_equal('anull', 'a' .. v:null)
1163      assert_equal('av:none', 'a' .. v:none)
1164      if has('float')
1165        assert_equal('a0.123', 'a' .. 0.123)
1166      endif
1167
1168      assert_equal(3, 1 + [2, 3, 4][0])
1169      assert_equal(5, 2 + {key: 3}['key'])
1170
1171      set digraph
1172      assert_equal('val: true', 'val: ' .. &digraph)
1173      set nodigraph
1174      assert_equal('val: false', 'val: ' .. &digraph)
1175
1176      assert_equal([1, 2, 3, 4], [1, 2] + [3, 4])
1177      assert_equal(0z11223344, 0z1122 + 0z3344)
1178      assert_equal(0z112201ab, 0z1122
1179                                    + g:ablob)
1180      assert_equal(0z01ab3344, g:ablob + 0z3344)
1181      assert_equal(0z01ab01ab, g:ablob + g:ablob)
1182
1183      # concatenate non-constant to constant
1184      var save_path = &path
1185      &path = 'b'
1186      assert_equal('ab', 'a' .. &path)
1187      &path = save_path
1188
1189      @b = 'b'
1190      assert_equal('ab', 'a' .. @b)
1191
1192      $ENVVAR = 'env'
1193      assert_equal('aenv', 'a' .. $ENVVAR)
1194
1195      assert_equal('val', '' .. {key: 'val'}['key'])
1196  END
1197  CheckDefAndScriptSuccess(lines)
1198enddef
1199
1200def Test_expr5_vim9script()
1201  # check line continuation
1202  var lines =<< trim END
1203      var name = 11
1204      		+ 77
1205		- 22
1206      assert_equal(66, name)
1207  END
1208  CheckDefAndScriptSuccess(lines)
1209
1210  lines =<< trim END
1211      var name = 11 +
1212		  77 -
1213		  22
1214      assert_equal(66, name)
1215  END
1216  CheckDefAndScriptSuccess(lines)
1217
1218  lines =<< trim END
1219      var name = 11 +  # comment
1220		  77 -
1221                  # comment
1222		  22
1223      assert_equal(66, name)
1224  END
1225  CheckDefAndScriptSuccess(lines)
1226
1227  lines =<< trim END
1228      var name = 'one'
1229      		.. 'two'
1230      assert_equal('onetwo', name)
1231  END
1232  CheckDefAndScriptSuccess(lines)
1233
1234  lines =<< trim END
1235      echo 'abc' is# 'abc'
1236  END
1237  CheckDefAndScriptFailure(lines, 'E15:', 1)
1238
1239  lines =<< trim END
1240      echo {} - 22
1241  END
1242  CheckDefAndScriptFailure2(lines, 'E1036:', 'E728:', 1)
1243
1244  lines =<< trim END
1245      echo [] - 33
1246  END
1247  CheckDefAndScriptFailure2(lines, 'E1036:', 'E745:', 1)
1248
1249  lines =<< trim END
1250      echo 0z1234 - 44
1251  END
1252  CheckDefAndScriptFailure2(lines, 'E1036', 'E974:', 1)
1253
1254  lines =<< trim END
1255      echo 'abc' is? 'abc'
1256  END
1257  CheckDefAndScriptFailure(lines, 'E15:', 1)
1258
1259  lines =<< trim END
1260      echo 'abc' isnot# 'abc'
1261  END
1262  CheckDefAndScriptFailure(lines, 'E15:', 1)
1263
1264  lines =<< trim END
1265      echo 'abc' isnot? 'abc'
1266  END
1267  CheckDefAndScriptFailure(lines, 'E15:', 1)
1268
1269  # check white space
1270  lines =<< trim END
1271      echo 5+6
1272  END
1273  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1274  lines =<< trim END
1275      echo 5 +6
1276  END
1277  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1278
1279  lines =<< trim END
1280      echo 5+ 6
1281  END
1282  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1283
1284  lines =<< trim END
1285      echo 'a'..'b'
1286  END
1287  CheckDefAndScriptFailure(lines, 'E1004: White space required before and after ''..'' at "..''b''"', 1)
1288
1289  lines =<< trim END
1290      echo 'a' ..'b'
1291  END
1292  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1293
1294  lines =<< trim END
1295      echo 'a'.. 'b'
1296  END
1297  CheckDefAndScriptFailure(lines, 'E1004: White space required before and after ''..'' at ".. ''b''"', 1)
1298
1299  lines =<< trim END
1300      echo 'a'
1301          ..'b'
1302      # comment
1303  END
1304  CheckDefAndScriptFailure(lines, 'E1004: White space required before and after ''..'' at "..''b''"', 2)
1305
1306  # check invalid string concatenation
1307  lines =<< trim END
1308      echo 'a' .. [1]
1309  END
1310  CheckDefAndScriptFailure2(lines, 'E1105:', 'E730:', 1)
1311
1312  lines =<< trim END
1313      echo 'a' .. {a: 1}
1314  END
1315  CheckDefAndScriptFailure2(lines, 'E1105:', 'E731:', 1)
1316
1317  lines =<< trim END
1318      echo 'a' .. test_void()
1319  END
1320  CheckDefAndScriptFailure2(lines, 'E1105:', 'E908:', 1)
1321
1322  lines =<< trim END
1323      echo 'a' .. 0z33
1324  END
1325  CheckDefAndScriptFailure2(lines, 'E1105:', 'E976:', 1)
1326
1327  lines =<< trim END
1328      echo 'a' .. function('len')
1329  END
1330  CheckDefAndScriptFailure2(lines, 'E1105:', 'E729:', 1)
1331
1332  lines =<< trim END
1333      new
1334      ['']->setline(1)
1335      /pattern
1336
1337      eval 0
1338      bwipe!
1339  END
1340  CheckDefAndScriptFailure(lines, "E1004: White space required before and after '/' at \"/pattern", 3)
1341
1342  for op in ['+', '-']
1343    lines = ['var x = 1', op .. '2', '# comment']
1344    var msg = printf("E1004: White space required before and after '%s' at \"%s2\"", op, op)
1345    CheckDefAndScriptFailure(lines, msg, 2)
1346  endfor
1347enddef
1348
1349def Test_expr5_vim9script_channel()
1350  if !has('channel')
1351    MissingFeature 'float'
1352  else
1353    var lines =<< trim END
1354        echo 'a' .. test_null_job()
1355    END
1356    CheckDefAndScriptFailure2(lines, 'E1105:', 'E908:', 1)
1357    lines =<< trim END
1358        echo 'a' .. test_null_channel()
1359    END
1360    CheckDefAndScriptFailure2(lines, 'E1105:', 'E908:', 1)
1361  endif
1362enddef
1363
1364def Test_expr5_float()
1365  if !has('float')
1366    MissingFeature 'float'
1367  else
1368    var lines =<< trim END
1369        assert_equal(66.0, 60.0 + 6.0)
1370        assert_equal(66.0, 60.0 + 6)
1371        assert_equal(66.0, 60 +
1372                             6.0)
1373        assert_equal(5.1, g:afloat
1374                            + 5)
1375        assert_equal(8.1, 8 + g:afloat)
1376        assert_equal(10.1, g:anint + g:afloat)
1377        assert_equal(10.1, g:afloat + g:anint)
1378
1379        assert_equal(54.0, 60.0 - 6.0)
1380        assert_equal(54.0, 60.0
1381                                - 6)
1382        assert_equal(54.0, 60 - 6.0)
1383        assert_equal(-4.9, g:afloat - 5)
1384        assert_equal(7.9, 8 - g:afloat)
1385        assert_equal(9.9, g:anint - g:afloat)
1386        assert_equal(-9.9, g:afloat - g:anint)
1387    END
1388    CheckDefAndScriptSuccess(lines)
1389  endif
1390enddef
1391
1392func Test_expr5_fails()
1393  let msg = "White space required before and after '+'"
1394  call CheckDefAndScriptFailure(["var x = 1+2"], msg, 1)
1395  call CheckDefAndScriptFailure(["var x = 1 +2"], msg, 1)
1396  call CheckDefAndScriptFailure(["var x = 1+ 2"], msg, 1)
1397
1398  let msg = "White space required before and after '-'"
1399  call CheckDefAndScriptFailure(["var x = 1-2"], msg, 1)
1400  call CheckDefAndScriptFailure(["var x = 1 -2"], msg, 1)
1401  call CheckDefAndScriptFailure(["var x = 1- 2"], msg, 1)
1402
1403  let msg = "White space required before and after '..'"
1404  call CheckDefAndScriptFailure(["var x = '1'..'2'"], msg, 1)
1405  call CheckDefAndScriptFailure(["var x = '1' ..'2'"], msg, 1)
1406  call CheckDefAndScriptFailure(["var x = '1'.. '2'"], msg, 1)
1407
1408  call CheckDefAndScriptFailure2(["var x = 0z1122 + 33"], 'E1051:', 'E974:', 1)
1409  call CheckDefAndScriptFailure2(["var x = 0z1122 + [3]"], 'E1051:', 'E974:', 1)
1410  call CheckDefAndScriptFailure2(["var x = 0z1122 + 'asd'"], 'E1051:', 'E974:', 1)
1411  call CheckDefAndScriptFailure2(["var x = 33 + 0z1122"], 'E1051:', 'E974:', 1)
1412  call CheckDefAndScriptFailure2(["var x = [3] + 0z1122"], 'E1051:', 'E745:', 1)
1413  call CheckDefAndScriptFailure2(["var x = 'asdf' + 0z1122"], 'E1051:', 'E1030:', 1)
1414  call CheckDefAndScriptFailure2(["var x = 6 + xxx"], 'E1001:', 'E121:', 1)
1415
1416  call CheckDefAndScriptFailure2(["var x = 'a' .. [1]"], 'E1105:', 'E730:', 1)
1417  call CheckDefAndScriptFailure2(["var x = 'a' .. {a: 1}"], 'E1105:', 'E731:', 1)
1418  call CheckDefAndScriptFailure2(["var x = 'a' .. test_void()"], 'E1105:', 'E908:', 1)
1419  call CheckDefAndScriptFailure2(["var x = 'a' .. 0z32"], 'E1105:', 'E976:', 1)
1420  call CheckDefAndScriptFailure2(["var x = 'a' .. function('len')"], 'E1105:', 'E729:', 1)
1421  call CheckDefAndScriptFailure2(["var x = 'a' .. function('len', ['a'])"], 'E1105:', 'E729:', 1)
1422
1423  call CheckDefAndScriptFailure2(['var x = 1 + v:none'], 'E1051:', 'E611:', 1)
1424  call CheckDefAndScriptFailure2(['var x = 1 + v:null'], 'E1051:', 'E611:', 1)
1425  call CheckDefAndScriptFailure2(['var x = 1 + v:true'], 'E1051:', 'E1138:', 1)
1426  call CheckDefAndScriptFailure2(['var x = 1 + v:false'], 'E1051:', 'E1138:', 1)
1427  call CheckDefAndScriptFailure2(['var x = 1 + true'], 'E1051:', 'E1138:', 1)
1428  call CheckDefAndScriptFailure2(['var x = 1 + false'], 'E1051:', 'E1138:', 1)
1429endfunc
1430
1431func Test_expr5_fails_channel()
1432  CheckFeature channel
1433  call CheckDefAndScriptFailure2(["var x = 'a' .. test_null_job()"], 'E1105:', 'E908:', 1)
1434  call CheckDefAndScriptFailure2(["var x = 'a' .. test_null_channel()"], 'E1105:', 'E908:', 1)
1435endfunc
1436
1437def Test_expr5_list_add()
1438  var lines =<< trim END
1439      # concatenating two lists with same member types is OK
1440      var d = {}
1441      for i in ['a'] + ['b']
1442        d = {[i]: 0}
1443      endfor
1444
1445      # concatenating two lists with different member types results in "any"
1446      var dany = {}
1447      for i in ['a'] + [12]
1448        dany[i] = i
1449      endfor
1450      assert_equal({a: 'a', 12: 12}, dany)
1451
1452      # result of glob() is "any", runtime type check
1453      var sl: list<string> = glob('*.txt', false, true) + ['']
1454  END
1455  CheckDefAndScriptSuccess(lines)
1456enddef
1457
1458" test multiply, divide, modulo
1459def Test_expr6()
1460  var lines =<< trim END
1461      assert_equal(36, 6 * 6)
1462      assert_equal(24, 6 *
1463                            g:thefour)
1464      assert_equal(24, g:thefour
1465                            * 6)
1466      assert_equal(40, g:anint * g:thefour)
1467
1468      assert_equal(10, 60 / 6)
1469      assert_equal(6, 60 /
1470                            g:anint)
1471      assert_equal(1, g:anint / 6)
1472      assert_equal(2, g:anint
1473                            / g:thefour)
1474
1475      assert_equal(5, 11 % 6)
1476      assert_equal(4, g:anint % 6)
1477      assert_equal(3, 13 %
1478                            g:anint)
1479      assert_equal(2, g:anint
1480                            % g:thefour)
1481
1482      assert_equal(4, 6 * 4 / 6)
1483
1484      var x = [2]
1485      var y = [3]
1486      assert_equal(5, x[0] + y[0])
1487      assert_equal(6, x[0] * y[0])
1488      if has('float')
1489        var xf = [2.0]
1490        var yf = [3.0]
1491        assert_equal(5.0, xf[0]
1492                            + yf[0])
1493        assert_equal(6.0, xf[0]
1494                            * yf[0])
1495      endif
1496  END
1497  CheckDefAndScriptSuccess(lines)
1498
1499  CheckDefAndScriptFailure2(["var x = 6 * xxx"], 'E1001:', 'E121:', 1)
1500  CheckDefFailure(["var d = 6 * "], 'E1097:', 3)
1501  CheckScriptFailure(['vim9script', "var d = 6 * "], 'E15:', 2)
1502
1503  CheckDefExecAndScriptFailure(['echo 1 / 0'], 'E1154', 1)
1504  CheckDefExecAndScriptFailure(['echo 1 % 0'], 'E1154', 1)
1505enddef
1506
1507def Test_expr6_vim9script()
1508  # check line continuation
1509  var lines =<< trim END
1510      var name = 11
1511      		* 22
1512		/ 3
1513      assert_equal(80, name)
1514  END
1515  CheckDefAndScriptSuccess(lines)
1516
1517  lines =<< trim END
1518      var name = 25
1519      		% 10
1520      assert_equal(5, name)
1521  END
1522  CheckDefAndScriptSuccess(lines)
1523
1524  lines =<< trim END
1525      var name = 25
1526                # comment
1527
1528                # comment
1529      		% 10
1530      assert_equal(5, name)
1531  END
1532  CheckDefAndScriptSuccess(lines)
1533
1534  lines =<< trim END
1535      var name = 11 *
1536      		22 /
1537		3
1538      assert_equal(80, name)
1539  END
1540  CheckDefAndScriptSuccess(lines)
1541
1542  # check white space
1543  lines =<< trim END
1544      echo 5*6
1545  END
1546  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1547
1548  lines =<< trim END
1549      echo 5 *6
1550  END
1551  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1552
1553  lines =<< trim END
1554      echo 5* 6
1555  END
1556  CheckDefAndScriptFailure(lines, 'E1004:', 1)
1557enddef
1558
1559def Test_expr6_float()
1560  if !has('float')
1561    MissingFeature 'float'
1562  else
1563    var lines =<< trim END
1564        assert_equal(36.0, 6.0 * 6)
1565        assert_equal(36.0, 6 *
1566                               6.0)
1567        assert_equal(36.0, 6.0 * 6.0)
1568        assert_equal(1.0, g:afloat * g:anint)
1569
1570        assert_equal(10.0, 60 / 6.0)
1571        assert_equal(10.0, 60.0 /
1572                            6)
1573        assert_equal(10.0, 60.0 / 6.0)
1574        assert_equal(0.01, g:afloat / g:anint)
1575
1576        assert_equal(4.0, 6.0 * 4 / 6)
1577        assert_equal(4.0, 6 *
1578                            4.0 /
1579                            6)
1580        assert_equal(4.0, 6 * 4 / 6.0)
1581        assert_equal(4.0, 6.0 * 4.0 / 6)
1582        assert_equal(4.0, 6 * 4.0 / 6.0)
1583        assert_equal(4.0, 6.0 * 4 / 6.0)
1584        assert_equal(4.0, 6.0 * 4.0 / 6.0)
1585
1586        assert_equal(4.0, 6.0 * 4.0 / 6.0)
1587    END
1588    CheckDefAndScriptSuccess(lines)
1589  endif
1590enddef
1591
1592func Test_expr6_fails()
1593  let msg = "White space required before and after '*'"
1594  call CheckDefAndScriptFailure(["var x = 1*2"], msg, 1)
1595  call CheckDefAndScriptFailure(["var x = 1 *2"], msg, 1)
1596  call CheckDefAndScriptFailure(["var x = 1* 2"], msg, 1)
1597
1598  let msg = "White space required before and after '/'"
1599  call CheckDefAndScriptFailure(["var x = 1/2"], msg, 1)
1600  call CheckDefAndScriptFailure(["var x = 1 /2"], msg, 1)
1601  call CheckDefAndScriptFailure(["var x = 1/ 2"], msg, 1)
1602
1603  let msg = "White space required before and after '%'"
1604  call CheckDefAndScriptFailure(["var x = 1%2"], msg, 1)
1605  call CheckDefAndScriptFailure(["var x = 1 %2"], msg, 1)
1606  call CheckDefAndScriptFailure(["var x = 1% 2"], msg, 1)
1607
1608  call CheckDefAndScriptFailure2(["var x = '1' * '2'"], 'E1036:', 'E1030:', 1)
1609  call CheckDefAndScriptFailure2(["var x = '1' / '2'"], 'E1036:', 'E1030:', 1)
1610  call CheckDefAndScriptFailure2(["var x = '1' % '2'"], 'E1035:', 'E1030:', 1)
1611
1612  call CheckDefAndScriptFailure2(["var x = 0z01 * 0z12"], 'E1036:', 'E974:', 1)
1613  call CheckDefAndScriptFailure2(["var x = 0z01 / 0z12"], 'E1036:', 'E974:', 1)
1614  call CheckDefAndScriptFailure2(["var x = 0z01 % 0z12"], 'E1035:', 'E974:', 1)
1615
1616  call CheckDefAndScriptFailure2(["var x = [1] * [2]"], 'E1036:', 'E745:', 1)
1617  call CheckDefAndScriptFailure2(["var x = [1] / [2]"], 'E1036:', 'E745:', 1)
1618  call CheckDefAndScriptFailure2(["var x = [1] % [2]"], 'E1035:', 'E745:', 1)
1619
1620  call CheckDefAndScriptFailure2(["var x = {one: 1} * {two: 2}"], 'E1036:', 'E728:', 1)
1621  call CheckDefAndScriptFailure2(["var x = {one: 1} / {two: 2}"], 'E1036:', 'E728:', 1)
1622  call CheckDefAndScriptFailure2(["var x = {one: 1} % {two: 2}"], 'E1035:', 'E728:', 1)
1623
1624  call CheckDefAndScriptFailure2(["var x = 0xff[1]"], 'E1107:', 'E1062:', 1)
1625  if has('float')
1626    call CheckDefAndScriptFailure2(["var x = 0.7[1]"], 'E1107:', 'E806:', 1)
1627  endif
1628
1629  for op in ['*', '/', '%']
1630    let lines = ['var x = 1', op .. '2', '# comment']
1631    let msg = printf("E1004: White space required before and after '%s' at \"%s2\"", op, op)
1632    call CheckDefAndScriptFailure(lines, msg, 2)
1633  endfor
1634endfunc
1635
1636func Test_expr6_float_fails()
1637  CheckFeature float
1638  call CheckDefAndScriptFailure2(["var x = 1.0 % 2"], 'E1035:', 'E804:', 1)
1639endfunc
1640
1641" define here to use old style parsing
1642if has('float')
1643  let g:float_zero = 0.0
1644  let g:float_neg = -9.8
1645  let g:float_big = 9.9e99
1646endif
1647let g:blob_empty = 0z
1648let g:blob_one = 0z01
1649let g:blob_long = 0z0102.0304
1650
1651let g:string_empty = ''
1652let g:string_short = 'x'
1653let g:string_long = 'abcdefghijklm'
1654let g:string_special = "ab\ncd\ref\ekk"
1655
1656let g:special_true = v:true
1657let g:special_false = v:false
1658let g:special_null = v:null
1659let g:special_none = v:none
1660
1661let g:list_empty = []
1662let g:list_mixed = [1, 'b', v:false]
1663
1664let g:dict_empty = {}
1665let g:dict_one = #{one: 1}
1666
1667let $TESTVAR = 'testvar'
1668
1669" type casts
1670def Test_expr7t()
1671  var lines =<< trim END
1672      var ls: list<string> = ['a', <string>g:string_empty]
1673      var ln: list<number> = [<number>g:anint, <number>g:thefour]
1674      var nr = <number>234
1675      assert_equal(234, nr)
1676      var b: bool = <bool>1
1677      assert_equal(true, b)
1678      var text =
1679            <string>
1680              'text'
1681      if false
1682        text = <number>'xxx'
1683      endif
1684  END
1685  CheckDefAndScriptSuccess(lines)
1686
1687  CheckDefAndScriptFailure(["var x = <nr>123"], 'E1010:', 1)
1688  CheckDefFailure(["var x = <number>"], 'E1097:', 3)
1689  CheckDefFailure(["var x = <number>string(1)"], 'E1012:', 1)
1690  CheckScriptFailure(['vim9script', "var x = <number>"], 'E15:', 2)
1691  CheckDefAndScriptFailure(["var x = <number >123"], 'E1068:', 1)
1692  CheckDefAndScriptFailure(["var x = <number 123"], 'E1104:', 1)
1693enddef
1694
1695" test low level expression
1696def Test_expr7_number()
1697  # number constant
1698  var lines =<< trim END
1699      assert_equal(0, 0)
1700      assert_equal(654, 0654)
1701
1702      assert_equal(6, 0x6)
1703      assert_equal(15, 0xf)
1704      assert_equal(255, 0xff)
1705  END
1706  CheckDefAndScriptSuccess(lines)
1707enddef
1708
1709def Test_expr7_float()
1710  # float constant
1711  if !has('float')
1712    MissingFeature 'float'
1713  else
1714    var lines =<< trim END
1715        assert_equal(g:float_zero, .0)
1716        assert_equal(g:float_zero, 0.0)
1717        assert_equal(g:float_neg, -9.8)
1718        assert_equal(g:float_big, 9.9e99)
1719    END
1720    CheckDefAndScriptSuccess(lines)
1721  endif
1722enddef
1723
1724def Test_expr7_blob()
1725  # blob constant
1726  var lines =<< trim END
1727      assert_equal(g:blob_empty, 0z)
1728      assert_equal(g:blob_one, 0z01)
1729      assert_equal(g:blob_long, 0z0102.0304)
1730
1731      var testblob = 0z010203
1732      assert_equal(0x01, testblob[0])
1733      assert_equal(0x02, testblob[1])
1734      assert_equal(0x03, testblob[-1])
1735      assert_equal(0x02, testblob[-2])
1736
1737      assert_equal(0z01, testblob[0 : 0])
1738      assert_equal(0z0102, testblob[0 : 1])
1739      assert_equal(0z010203, testblob[0 : 2])
1740      assert_equal(0z010203, testblob[0 : ])
1741      assert_equal(0z0203, testblob[1 : ])
1742      assert_equal(0z0203, testblob[1 : 2])
1743      assert_equal(0z0203, testblob[1 : -1])
1744      assert_equal(0z03, testblob[-1 : -1])
1745      assert_equal(0z02, testblob[-2 : -2])
1746
1747      # blob slice accepts out of range
1748      assert_equal(0z, testblob[3 : 3])
1749      assert_equal(0z, testblob[0 : -4])
1750  END
1751  CheckDefAndScriptSuccess(lines)
1752
1753  CheckDefAndScriptFailure(["var x = 0z123"], 'E973:', 1)
1754enddef
1755
1756def Test_expr7_string()
1757  # string constant
1758  var lines =<< trim END
1759      assert_equal(g:string_empty, '')
1760      assert_equal(g:string_empty, "")
1761      assert_equal(g:string_short, 'x')
1762      assert_equal(g:string_short, "x")
1763      assert_equal(g:string_long, 'abcdefghijklm')
1764      assert_equal(g:string_long, "abcdefghijklm")
1765      assert_equal(g:string_special, "ab\ncd\ref\ekk")
1766  END
1767  CheckDefAndScriptSuccess(lines)
1768
1769  CheckDefAndScriptFailure(['var x = "abc'], 'E114:', 1)
1770  CheckDefAndScriptFailure(["var x = 'abc"], 'E115:', 1)
1771enddef
1772
1773def Test_expr7_vimvar()
1774  var old: list<string> = v:oldfiles
1775  var compl: dict<any> = v:completed_item
1776
1777  CheckDefFailure(["var old: list<number> = v:oldfiles"], 'E1012: Type mismatch; expected list<number> but got list<string>', 1)
1778  CheckScriptFailure(['vim9script', 'v:oldfiles = ["foo"]', "var old: list<number> = v:oldfiles"], 'E1012: Type mismatch; expected list<number> but got list<string>', 3)
1779  new
1780  exec "normal! afoo fo\<C-N>\<Esc>"
1781  CheckDefExecAndScriptFailure(["var old: dict<number> = v:completed_item"], 'E1012: Type mismatch; expected dict<number> but got dict<string>', 1)
1782  bwipe!
1783enddef
1784
1785def Test_expr7_special()
1786  # special constant
1787  var lines =<< trim END
1788      assert_equal(g:special_true, true)
1789      assert_equal(g:special_false, false)
1790      assert_equal(g:special_true, v:true)
1791      assert_equal(g:special_false, v:false)
1792      assert_equal(v:true, true)
1793      assert_equal(v:false, false)
1794
1795      assert_equal(true, !false)
1796      assert_equal(false, !true)
1797      assert_equal(true, !0)
1798      assert_equal(false, !1)
1799      assert_equal(false, !!false)
1800      assert_equal(true, !!true)
1801      assert_equal(false, !!0)
1802      assert_equal(true, !!1)
1803
1804      var t = true
1805      var f = false
1806      assert_equal(true, t)
1807      assert_equal(false, f)
1808
1809      assert_equal(g:special_null, v:null)
1810      assert_equal(g:special_null, null)
1811      assert_equal(g:special_none, v:none)
1812  END
1813  CheckDefAndScriptSuccess(lines)
1814
1815  CheckDefAndScriptFailure(['v:true = true'], 'E46:', 1)
1816  CheckDefAndScriptFailure(['v:true = false'], 'E46:', 1)
1817  CheckDefAndScriptFailure(['v:false = true'], 'E46:', 1)
1818  CheckDefAndScriptFailure(['v:null = 11'], 'E46:', 1)
1819  CheckDefAndScriptFailure(['v:none = 22'], 'E46:', 1)
1820enddef
1821
1822def Test_expr7_list()
1823  # list
1824  var lines =<< trim END
1825      assert_equal(g:list_empty, [])
1826      assert_equal(g:list_empty, [  ])
1827
1828      var numbers: list<number> = [1, 2, 3]
1829      numbers = [1]
1830      numbers = []
1831
1832      var strings: list<string> = ['a', 'b', 'c']
1833      strings = ['x']
1834      strings = []
1835
1836      var mixed: list<any> = [1, 'b', false,]
1837      assert_equal(g:list_mixed, mixed)
1838      assert_equal('b', mixed[1])
1839
1840      echo [1,
1841            2] [3,
1842                    4]
1843
1844      var llstring: list<list<string>> = [['text'], []]
1845      llstring = [[], ['text']]
1846      llstring = [[], []]
1847  END
1848  CheckDefAndScriptSuccess(lines)
1849
1850  var rangelist: list<number> = range(3)
1851  g:rangelist = range(3)
1852  CheckDefExecAndScriptFailure(["var x: list<string> = g:rangelist"], 'E1012: Type mismatch; expected list<string> but got list<number>', 1)
1853
1854  CheckDefAndScriptFailure2(["var x = 1234[3]"], 'E1107:', 'E1062:', 1)
1855  CheckDefExecAndScriptFailure(["var x = g:anint[3]"], 'E1062:', 1)
1856
1857  CheckDefAndScriptFailure2(["var x = g:list_mixed[xxx]"], 'E1001:', 'E121:', 1)
1858
1859  CheckDefAndScriptFailure(["var x = [1,2,3]"], 'E1069:', 1)
1860  CheckDefAndScriptFailure(["var x = [1 ,2, 3]"], 'E1068:', 1)
1861
1862  CheckDefExecAndScriptFailure(["echo 1", "var x = [][0]", "echo 3"], 'E684:', 2)
1863
1864  CheckDefExecAndScriptFailure2(["var x = g:list_mixed['xx']"], 'E1012:', 'E1030:', 1)
1865  CheckDefFailure(["var x = g:list_mixed["], 'E1097:', 3)
1866  CheckScriptFailure(['vim9script', "var x = g:list_mixed["], 'E15:', 2)
1867  CheckDefFailure(["var x = g:list_mixed[0"], 'E1097:', 3)
1868  CheckScriptFailure(['vim9script', "var x = g:list_mixed[0"], 'E111:', 2)
1869  CheckDefExecAndScriptFailure(["var x = g:list_empty[3]"], 'E684:', 1)
1870  CheckDefExecAndScriptFailure(["var l: list<number> = [234, 'x']"], 'E1012:', 1)
1871  CheckDefExecAndScriptFailure(["var l: list<number> = ['x', 234]"], 'E1012:', 1)
1872  CheckDefExecAndScriptFailure(["var l: list<string> = [234, 'x']"], 'E1012:', 1)
1873  CheckDefExecAndScriptFailure(["var l: list<string> = ['x', 123]"], 'E1012:', 1)
1874
1875  lines =<< trim END
1876      var datalist: list<string>
1877      def Main()
1878        datalist += ['x'.
1879      enddef
1880      Main()
1881  END
1882  CheckDefAndScriptFailure(lines, 'E1127:')
1883
1884  lines =<< trim END
1885      var numbers = [1, 2, 3, 4]
1886      var a = 1
1887      var b = 2
1888  END
1889  CheckDefAndScriptFailure(lines + ['echo numbers[1:b]'],
1890      'E1004: White space required before and after '':'' at ":b]"', 4)
1891  CheckDefAndScriptFailure(lines + ['echo numbers[1: b]'], 'E1004:', 4)
1892  CheckDefAndScriptFailure(lines + ['echo numbers[a :b]'], 'E1004:', 4)
1893enddef
1894
1895def Test_expr7_list_vim9script()
1896  var lines =<< trim END
1897      var l = [
1898		11,
1899		22,
1900		]
1901      assert_equal([11, 22], l)
1902
1903      echo [1,
1904	    2] [3,
1905		    4]
1906
1907      echo [1, # comment
1908            # comment
1909	    2] [3,
1910            # comment
1911		    4]
1912  END
1913  CheckDefAndScriptSuccess(lines)
1914
1915  lines =<< trim END
1916      var l = [11,
1917		22]
1918      assert_equal([11, 22], l)
1919  END
1920  CheckDefAndScriptSuccess(lines)
1921
1922  lines =<< trim END
1923      var l = [11,22]
1924  END
1925  CheckDefAndScriptFailure(lines, 'E1069:', 1)
1926
1927  lines =<< trim END
1928      var l = [11 , 22]
1929  END
1930  CheckDefAndScriptFailure(lines, 'E1068:', 1)
1931
1932  lines =<< trim END
1933    var l: list<number> = [234, 'x']
1934  END
1935  CheckDefAndScriptFailure(lines, 'E1012:', 1)
1936
1937  lines =<< trim END
1938    var l: list<number> = ['x', 234]
1939  END
1940  CheckDefAndScriptFailure(lines, 'E1012:', 1)
1941
1942  lines =<< trim END
1943    var l: list<string> = ['x', 234]
1944  END
1945  CheckDefAndScriptFailure(lines, 'E1012:', 1)
1946
1947  lines =<< trim END
1948    var l: list<string> = [234, 'x']
1949  END
1950  CheckDefAndScriptFailure(lines, 'E1012:', 1)
1951
1952  lines =<< trim END
1953      def Failing()
1954        job_stop()
1955      enddef
1956      var list = [Failing]
1957  END
1958  if has('channel')
1959    CheckDefAndScriptFailure(lines, 'E119:', 0)
1960  else
1961    CheckDefAndScriptFailure(lines, 'E117:', 0)
1962  endif
1963enddef
1964
1965def LambdaWithComments(): func
1966  return (x) =>
1967            # some comment
1968            x == 1
1969            # some comment
1970            ||
1971            x == 2
1972enddef
1973
1974def LambdaUsingArg(x: number): func
1975  return () =>
1976            # some comment
1977            x == 1
1978            # some comment
1979            ||
1980            x == 2
1981enddef
1982
1983def Test_expr7_lambda()
1984  var lines =<< trim END
1985      var La = () => 'result'
1986      # comment
1987      assert_equal('result', La())
1988      assert_equal([1, 3, 5], [1, 2, 3]->map((key, val) => key + val))
1989
1990      # line continuation inside lambda with "cond ? expr : expr" works
1991      var ll = range(3)
1992      var dll = mapnew(ll, (k, v) => v % 2 ? {
1993                ['111']: 111 } : {}
1994            )
1995      assert_equal([{}, {111: 111}, {}], dll)
1996
1997      # comment halfway an expression
1998      var Ref = () => 4
1999      # comment
2000      + 6
2001      assert_equal(10, Ref())
2002
2003      ll = range(3)
2004      map(ll, (k, v) => v == 8 || v
2005                    == 9
2006                    || v % 2 ? 111 : 222
2007            )
2008      assert_equal([222, 111, 222], ll)
2009
2010      ll = range(3)
2011      map(ll, (k, v) => v != 8 && v
2012                    != 9
2013                    && v % 2 == 0 ? 111 : 222
2014            )
2015      assert_equal([111, 222, 111], ll)
2016
2017      var dl = [{key: 0}, {key: 22}]->filter(( _, v) => v['key'] )
2018      assert_equal([{key: 22}], dl)
2019
2020      dl = [{key: 12}, {['foo']: 34}]
2021      assert_equal([{key: 12}], filter(dl,
2022            (_, v) => has_key(v, 'key') ? v['key'] == 12 : 0))
2023
2024      assert_equal(false, LambdaWithComments()(0))
2025      assert_equal(true, LambdaWithComments()(1))
2026      assert_equal(true, LambdaWithComments()(2))
2027      assert_equal(false, LambdaWithComments()(3))
2028
2029      assert_equal(false, LambdaUsingArg(0)())
2030      assert_equal(true, LambdaUsingArg(1)())
2031
2032      var res = map([1, 2, 3], (i: number, v: number) => i + v)
2033      assert_equal([1, 3, 5], res)
2034  END
2035  CheckDefAndScriptSuccess(lines)
2036
2037  CheckDefAndScriptFailure(["var Ref = (a)=>a + 1"], 'E1004:')
2038  CheckDefAndScriptFailure(["var Ref = (a)=> a + 1"], 'E1004: White space required before and after ''=>'' at "=> a + 1"')
2039  CheckDefAndScriptFailure(["var Ref = (a) =>a + 1"], 'E1004:')
2040  CheckDefAndScriptFailure2(["var Ref = (a) =< a + 1"], 'E1001:', 'E121:')
2041  CheckDefAndScriptFailure(["var Ref = (a: int) => a + 1"], 'E1010:')
2042  CheckDefAndScriptFailure(["var Ref = (a): int => a + 1"], 'E1010:')
2043
2044  CheckDefAndScriptFailure(["filter([1, 2], (k,v) => 1)"], 'E1069:', 1)
2045  # error is in first line of the lambda
2046  CheckDefAndScriptFailure(["var L = (a) => a + b"], 'E1001:', 0)
2047
2048  assert_equal('xxxyyy', 'xxx'->((a, b) => a .. b)('yyy'))
2049
2050  CheckDefExecFailure(["var s = 'asdf'->((a) => a)('x')"], 'E118:')
2051  CheckDefExecFailure(["var s = 'asdf'->((a) => a)('x', 'y')"], 'E118:')
2052  CheckDefAndScriptFailure2(["echo 'asdf'->((a) => a)(x)"], 'E1001:', 'E121:', 1)
2053
2054  CheckDefAndScriptSuccess(['var Fx = (a) => ({k1: 0,', ' k2: 1})'])
2055  CheckDefAndScriptFailure(['var Fx = (a) => ({k1: 0', ' k2: 1})'], 'E722:', 2)
2056  CheckDefAndScriptFailure(['var Fx = (a) => ({k1: 0,', ' k2 1})'], 'E720:', 2)
2057
2058  CheckDefAndScriptSuccess(['var Fx = (a) => [0,', ' 1]'])
2059  CheckDefAndScriptFailure(['var Fx = (a) => [0', ' 1]'], 'E696:', 2)
2060
2061  # no error for existing script variable when checking for lambda
2062  lines =<< trim END
2063    var name = 0
2064    eval (name + 2) / 3
2065  END
2066  CheckDefAndScriptSuccess(lines)
2067enddef
2068
2069def Test_expr7_lambda_block()
2070  var lines =<< trim END
2071      var Func = (s: string): string => {
2072                      return 'hello ' .. s
2073                    }
2074      assert_equal('hello there', Func('there'))
2075
2076      var ll = range(3)
2077      var dll = mapnew(ll, (k, v): string => {
2078          if v % 2
2079            return 'yes'
2080          endif
2081          return 'no'
2082        })
2083      assert_equal(['no', 'yes', 'no'], dll)
2084
2085      # ignored_inline(0, (_) => {
2086      #   echo 'body'
2087      # })
2088
2089      sandbox var Safe = (nr: number): number => {
2090          return nr + 7
2091        }
2092      assert_equal(10, Safe(3))
2093  END
2094  CheckDefAndScriptSuccess(lines)
2095
2096  lines =<< trim END
2097      map([1, 2], (k, v) => { redrawt })
2098  END
2099  CheckDefAndScriptFailure(lines, 'E488')
2100
2101  lines =<< trim END
2102      var Func = (nr: int) => {
2103              echo nr
2104            }
2105  END
2106  CheckDefAndScriptFailure(lines, 'E1010', 1)
2107
2108  lines =<< trim END
2109      var Func = (nr: number): int => {
2110              return nr
2111            }
2112  END
2113  CheckDefAndScriptFailure(lines, 'E1010', 1)
2114
2115  lines =<< trim END
2116      var Func = (nr: number): int => {
2117              return nr
2118  END
2119  CheckDefFailure(lines, 'E1171', 0)  # line nr is function start
2120  CheckScriptFailure(['vim9script'] + lines, 'E1171', 2)
2121
2122  lines =<< trim END
2123      var Func = (nr: number): int => {
2124          var ll =<< ENDIT
2125             nothing
2126  END
2127  CheckDefFailure(lines, 'E1145: Missing heredoc end marker: ENDIT', 0)
2128  CheckScriptFailure(['vim9script'] + lines, 'E1145: Missing heredoc end marker: ENDIT', 2)
2129enddef
2130
2131def NewLambdaWithComments(): func
2132  return (x) =>
2133            # some comment
2134            x == 1
2135            # some comment
2136            ||
2137            x == 2
2138enddef
2139
2140def NewLambdaUsingArg(x: number): func
2141  return () =>
2142            # some comment
2143            x == 1
2144            # some comment
2145            ||
2146            x == 2
2147enddef
2148
2149def Test_expr7_new_lambda()
2150  var lines =<< trim END
2151      var La = () => 'result'
2152      assert_equal('result', La())
2153      assert_equal([1, 3, 5], [1, 2, 3]->map((key, val) => key + val))
2154
2155      # line continuation inside lambda with "cond ? expr : expr" works
2156      var ll = range(3)
2157      var dll = mapnew(ll, (k, v) => v % 2 ? {
2158                ['111']: 111 } : {}
2159            )
2160      assert_equal([{}, {111: 111}, {}], dll)
2161
2162      ll = range(3)
2163      map(ll, (k, v) => v == 8 || v
2164                    == 9
2165                    || v % 2 ? 111 : 222
2166            )
2167      assert_equal([222, 111, 222], ll)
2168
2169      ll = range(3)
2170      map(ll, (k, v) => v != 8 && v
2171                    != 9
2172                    && v % 2 == 0 ? 111 : 222
2173            )
2174      assert_equal([111, 222, 111], ll)
2175
2176      var dl = [{key: 0}, {key: 22}]->filter(( _, v) => v['key'] )
2177      assert_equal([{key: 22}], dl)
2178
2179      dl = [{key: 12}, {['foo']: 34}]
2180      assert_equal([{key: 12}], filter(dl,
2181            (_, v) => has_key(v, 'key') ? v['key'] == 12 : 0))
2182
2183      assert_equal(false, NewLambdaWithComments()(0))
2184      assert_equal(true, NewLambdaWithComments()(1))
2185      assert_equal(true, NewLambdaWithComments()(2))
2186      assert_equal(false, NewLambdaWithComments()(3))
2187
2188      assert_equal(false, NewLambdaUsingArg(0)())
2189      assert_equal(true, NewLambdaUsingArg(1)())
2190
2191      var res = map([1, 2, 3], (i: number, v: number) => i + v)
2192      assert_equal([1, 3, 5], res)
2193
2194      # Lambda returning a dict
2195      var Lmb = () => ({key: 42})
2196      assert_equal({key: 42}, Lmb())
2197
2198      var RefOne: func(number): string = (a: number): string => 'x'
2199      var RefTwo: func(number): any = (a: number): any => 'x'
2200
2201      var Fx = (a) => ({k1: 0,
2202                         k2: 1})
2203      var Fy = (a) => [0,
2204                       1]
2205  END
2206  CheckDefAndScriptSuccess(lines)
2207
2208  CheckDefAndScriptFailure(["var Ref = (a)=>a + 1"], 'E1004:')
2209  CheckDefAndScriptFailure(["var Ref = (a)=> a + 1"], 'E1004:')
2210  CheckDefAndScriptFailure(["var Ref = (a) =>a + 1"],
2211      'E1004: White space required before and after ''=>'' at " =>a + 1"')
2212
2213  CheckDefAndScriptFailure(["var Ref: func(number): number = (a: number): string => 'x'"], 'E1012:')
2214  CheckDefAndScriptFailure(["var Ref: func(number): string = (a: number): string => 99"], 'E1012:')
2215
2216  CheckDefAndScriptFailure(["filter([1, 2], (k,v) => 1)"], 'E1069:', 1)
2217  # error is in first line of the lambda
2218  CheckDefAndScriptFailure2(["var L = (a) -> a + b"], 'E1001:', 'E121:', 1)
2219
2220  assert_equal('xxxyyy', 'xxx'->((a, b) => a .. b)('yyy'))
2221
2222  CheckDefExecFailure(["var s = 'asdf'->((a) => a)('x')"],
2223        'E118: Too many arguments for function:')
2224  CheckDefExecFailure(["var s = 'asdf'->((a) => a)('x', 'y')"],
2225        'E118: Too many arguments for function:')
2226  CheckDefFailure(["echo 'asdf'->((a) => a)(x)"], 'E1001:', 1)
2227
2228  CheckDefAndScriptFailure(['var Fx = (a) => ({k1: 0', ' k2: 1})'], 'E722:', 2)
2229  CheckDefAndScriptFailure(['var Fx = (a) => ({k1: 0,', ' k2 1})'], 'E720:', 2)
2230
2231  CheckDefAndScriptFailure(['var Fx = (a) => [0', ' 1]'], 'E696:', 2)
2232enddef
2233
2234def Test_expr7_lambda_vim9script()
2235  var lines =<< trim END
2236      var v = 10->((a) =>
2237	    a
2238	      + 2
2239            )()
2240      assert_equal(12, v)
2241  END
2242  CheckDefAndScriptSuccess(lines)
2243
2244  # nested lambda with line breaks
2245  lines =<< trim END
2246      search('"', 'cW', 0, 0, () =>
2247	synstack('.', col('.'))
2248          ->map((_, v) => synIDattr(v, 'name'))->len())
2249  END
2250  CheckDefAndScriptSuccess(lines)
2251enddef
2252
2253def Test_expr7_funcref()
2254  var lines =<< trim END
2255      def RetNumber(): number
2256        return 123
2257      enddef
2258      var FuncRef = RetNumber
2259      assert_equal(123, FuncRef())
2260  END
2261  CheckDefAndScriptSuccess(lines)
2262
2263  lines =<< trim END
2264      vim9script
2265      func g:GlobalFunc()
2266        return 'global'
2267      endfunc
2268      func s:ScriptFunc()
2269        return 'script'
2270      endfunc
2271      def Test()
2272        var Ref = g:GlobalFunc
2273        assert_equal('global', Ref())
2274        Ref = GlobalFunc
2275        assert_equal('global', Ref())
2276
2277        Ref = s:ScriptFunc
2278        assert_equal('script', Ref())
2279        Ref = ScriptFunc
2280        assert_equal('script', Ref())
2281      enddef
2282      Test()
2283  END
2284  CheckScriptSuccess(lines)
2285enddef
2286
2287let g:test_space_dict = {'': 'empty', ' ': 'space'}
2288let g:test_hash_dict = #{one: 1, two: 2}
2289
2290def Test_expr7_dict()
2291  # dictionary
2292  var lines =<< trim END
2293      assert_equal(g:dict_empty, {})
2294      assert_equal(g:dict_empty, {  })
2295      assert_equal(g:dict_one, {['one']: 1})
2296      var key = 'one'
2297      var val = 1
2298      assert_equal(g:dict_one, {[key]: val})
2299
2300      var numbers: dict<number> = {a: 1, b: 2, c: 3}
2301      numbers = {a: 1}
2302      numbers = {}
2303
2304      var strings: dict<string> = {a: 'a', b: 'b', c: 'c'}
2305      strings = {a: 'x'}
2306      strings = {}
2307
2308      var dash = {xx-x: 8}
2309      assert_equal({['xx-x']: 8}, dash)
2310
2311      var dnr = {8: 8}
2312      assert_equal({['8']: 8}, dnr)
2313
2314      var mixed: dict<any> = {a: 'a', b: 42}
2315      mixed = {a: 'x'}
2316      mixed = {a: 234}
2317      mixed = {}
2318
2319      var dictlist: dict<list<string>> = {absent: [], present: ['hi']}
2320      dictlist = {absent: ['hi'], present: []}
2321      dictlist = {absent: [], present: []}
2322
2323      var dictdict: dict<dict<string>> = {one: {a: 'text'}, two: {}}
2324      dictdict = {one: {}, two: {a: 'text'}}
2325      dictdict = {one: {}, two: {}}
2326
2327      assert_equal({['']: 0}, {[matchstr('string', 'wont match')]: 0})
2328
2329      assert_equal(g:test_space_dict, {['']: 'empty', [' ']: 'space'})
2330      assert_equal(g:test_hash_dict, {one: 1, two: 2})
2331
2332      assert_equal({['a a']: 1, ['b/c']: 2}, {'a a': 1, "b/c": 2})
2333
2334      var d = {a: () => 3, b: () => 7}
2335      assert_equal(3, d.a())
2336      assert_equal(7, d.b())
2337
2338      var cd = { # comment
2339                key: 'val' # comment
2340               }
2341
2342      # different types used for the key
2343      var dkeys = {['key']: 'string',
2344                   [12]: 'numberexpr',
2345                   34: 'number',
2346                   [true]: 'bool'}
2347      assert_equal('string', dkeys['key'])
2348      assert_equal('numberexpr', dkeys[12])
2349      assert_equal('number', dkeys[34])
2350      assert_equal('bool', dkeys[true])
2351      if has('float')
2352        dkeys = {[1.2]: 'floatexpr', [3.4]: 'float'}
2353        assert_equal('floatexpr', dkeys[1.2])
2354        assert_equal('float', dkeys[3.4])
2355      endif
2356
2357      # automatic conversion from number to string
2358      var n = 123
2359      var dictnr = {[n]: 1}
2360
2361      # comment to start fold is OK
2362      var x1: number #{{ fold
2363      var x2 = 9 #{{ fold
2364  END
2365  CheckDefAndScriptSuccess(lines)
2366
2367  # legacy syntax doesn't work
2368  CheckDefAndScriptFailure(["var x = #{key: 8}"], 'E1170:', 1)
2369  CheckDefAndScriptFailure(["var x = 'a' #{a: 1}"], 'E1170:', 1)
2370  CheckDefAndScriptFailure(["var x = 'a' .. #{a: 1}"], 'E1170:', 1)
2371  CheckDefAndScriptFailure(["var x = true ? #{a: 1}"], 'E1170:', 1)
2372
2373  CheckDefAndScriptFailure(["var x = {a:8}"], 'E1069:', 1)
2374  CheckDefAndScriptFailure(["var x = {a : 8}"], 'E1068:', 1)
2375  CheckDefAndScriptFailure(["var x = {a :8}"], 'E1068:', 1)
2376  CheckDefAndScriptFailure(["var x = {a: 8 , b: 9}"], 'E1068:', 1)
2377  CheckDefAndScriptFailure(["var x = {a: 1,b: 2}"], 'E1069:', 1)
2378
2379  CheckDefAndScriptFailure(["var x = {xxx}"], 'E720:', 1)
2380  CheckDefAndScriptFailure(["var x = {xxx: 1", "var y = 2"], 'E722:', 2)
2381  CheckDefFailure(["var x = {xxx: 1,"], 'E723:', 2)
2382  CheckScriptFailure(['vim9script', "var x = {xxx: 1,"], 'E723:', 2)
2383  CheckDefAndScriptFailure2(["var x = {['a']: xxx}"], 'E1001:', 'E121:', 1)
2384  CheckDefAndScriptFailure(["var x = {a: 1, a: 2}"], 'E721:', 1)
2385  CheckDefExecAndScriptFailure2(["var x = g:anint.member"], 'E715:', 'E488:', 1)
2386  CheckDefExecAndScriptFailure(["var x = g:dict_empty.member"], 'E716:', 1)
2387
2388  CheckDefExecAndScriptFailure(['var x: dict<number> = {a: 234, b: "1"}'], 'E1012:', 1)
2389  CheckDefExecAndScriptFailure(['var x: dict<number> = {a: "x", b: 134}'], 'E1012:', 1)
2390  CheckDefExecAndScriptFailure(['var x: dict<string> = {a: 234, b: "1"}'], 'E1012:', 1)
2391  CheckDefExecAndScriptFailure(['var x: dict<string> = {a: "x", b: 134}'], 'E1012:', 1)
2392
2393  # invalid types for the key
2394  CheckDefAndScriptFailure2(["var x = {[[1, 2]]: 0}"], 'E1105:', 'E730:', 1)
2395
2396  CheckDefFailure(['var x = ({'], 'E723:', 2)
2397  CheckScriptFailure(['vim9script', 'var x = ({'], 'E723:', 2)
2398  CheckDefExecAndScriptFailure(['{}[getftype("file")]'], 'E716: Key not present in Dictionary: ""', 1)
2399enddef
2400
2401def Test_expr7_dict_vim9script()
2402  var lines =<< trim END
2403      var d = {
2404		['one']:
2405		   1,
2406		['two']: 2,
2407		   }
2408      assert_equal({one: 1, two: 2}, d)
2409
2410      d = {  # comment
2411		['one']:
2412                # comment
2413
2414		   1,
2415                # comment
2416                # comment
2417		['two']: 2,
2418		   }
2419      assert_equal({one: 1, two: 2}, d)
2420
2421      var dd = {k: 123->len()}
2422      assert_equal(3, dd.k)
2423  END
2424  CheckDefAndScriptSuccess(lines)
2425
2426  lines =<< trim END
2427      var d = { ["one"]: "one", ["two"]: "two", }
2428      assert_equal({one: 'one', two: 'two'}, d)
2429  END
2430  CheckDefAndScriptSuccess(lines)
2431
2432  lines =<< trim END
2433      var d = {one: 1,
2434		two: 2,
2435	       }
2436      assert_equal({one: 1, two: 2}, d)
2437  END
2438  CheckDefAndScriptSuccess(lines)
2439
2440  lines =<< trim END
2441      var d = {one:1, two: 2}
2442  END
2443  CheckDefAndScriptFailure(lines, 'E1069:', 1)
2444
2445  lines =<< trim END
2446      var d = {one: 1,two: 2}
2447  END
2448  CheckDefAndScriptFailure(lines, 'E1069:', 1)
2449
2450  lines =<< trim END
2451      var d = {one : 1}
2452  END
2453  CheckDefAndScriptFailure(lines, 'E1068:', 1)
2454
2455  lines =<< trim END
2456      var d = {one:1}
2457  END
2458  CheckDefAndScriptFailure(lines, 'E1069:', 1)
2459
2460  lines =<< trim END
2461      var d = {one: 1 , two: 2}
2462  END
2463  CheckDefAndScriptFailure(lines, 'E1068:', 1)
2464
2465  lines =<< trim END
2466    var l: dict<number> = {a: 234, b: 'x'}
2467  END
2468  CheckDefAndScriptFailure(lines, 'E1012:', 1)
2469
2470  lines =<< trim END
2471    var l: dict<number> = {a: 'x', b: 234}
2472  END
2473  CheckDefAndScriptFailure(lines, 'E1012:', 1)
2474
2475  lines =<< trim END
2476    var l: dict<string> = {a: 'x', b: 234}
2477  END
2478  CheckDefAndScriptFailure(lines, 'E1012:', 1)
2479
2480  lines =<< trim END
2481    var l: dict<string> = {a: 234, b: 'x'}
2482  END
2483  CheckDefAndScriptFailure(lines, 'E1012:', 1)
2484
2485  lines =<< trim END
2486    var d = {['a']: 234, ['b': 'x'}
2487  END
2488  CheckDefAndScriptFailure(lines, 'E1139:', 1)
2489
2490  lines =<< trim END
2491    def Func()
2492      var d = {['a']: 234, ['b': 'x'}
2493    enddef
2494    defcompile
2495  END
2496  CheckDefAndScriptFailure(lines, 'E1139:', 0)
2497
2498  lines =<< trim END
2499    var d = {'a':
2500  END
2501  CheckDefFailure(lines, 'E723:', 2)
2502  CheckScriptFailure(['vim9script'] + lines, 'E15:', 2)
2503
2504  lines =<< trim END
2505    def Func()
2506      var d = {'a':
2507    enddef
2508    defcompile
2509  END
2510  CheckDefAndScriptFailure(lines, 'E723:', 0)
2511
2512  lines =<< trim END
2513      def Failing()
2514        job_stop()
2515      enddef
2516      var dict = {name: Failing}
2517  END
2518  if has('channel')
2519    CheckDefAndScriptFailure(lines, 'E119:', 0)
2520  else
2521    CheckDefAndScriptFailure(lines, 'E117:', 0)
2522  endif
2523
2524  lines =<< trim END
2525      vim9script
2526      var x = 99
2527      assert_equal({x: 99}, s:)
2528  END
2529  CheckScriptSuccess(lines)
2530enddef
2531
2532def Test_expr7_call_2bool()
2533  var lines =<< trim END
2534      vim9script
2535
2536      def BrokenCall(nr: number, mode: bool, use: string): void
2537        assert_equal(3, nr)
2538        assert_equal(false, mode)
2539        assert_equal('ab', use)
2540      enddef
2541
2542      def TestBrokenCall(): void
2543        BrokenCall(3, 0, 'ab')
2544      enddef
2545
2546      TestBrokenCall()
2547  END
2548  CheckScriptSuccess(lines)
2549enddef
2550
2551let g:oneString = 'one'
2552
2553def Test_expr_member()
2554  var lines =<< trim END
2555      assert_equal(1, g:dict_one.one)
2556      var d: dict<number> = g:dict_one
2557      assert_equal(1, d['one'])
2558      assert_equal(1, d[
2559                      'one'
2560                      ])
2561      assert_equal(1, d
2562            .one)
2563      d = {1: 1, _: 2}
2564      assert_equal(1, d
2565            .1)
2566      assert_equal(2, d
2567            ._)
2568
2569      # getting the one member should clear the dict after getting the item
2570      assert_equal('one', {one: 'one'}.one)
2571      assert_equal('one', {one: 'one'}[g:oneString])
2572  END
2573  CheckDefAndScriptSuccess(lines)
2574
2575  CheckDefAndScriptFailure2(["var x = g:dict_one.#$!"], 'E1002:', 'E15:', 1)
2576  CheckDefExecAndScriptFailure(["var d: dict<any>", "echo d['a']"], 'E716:', 2)
2577  CheckDefExecAndScriptFailure(["var d: dict<number>", "d = g:list_empty"], 'E1012: Type mismatch; expected dict<number> but got list<unknown>', 2)
2578enddef
2579
2580def Test_expr7_any_index_slice()
2581  var lines =<< trim END
2582    # getting the one member should clear the list only after getting the item
2583    assert_equal('bbb', ['aaa', 'bbb', 'ccc'][1])
2584
2585    # string is permissive, index out of range accepted
2586    g:teststring = 'abcdef'
2587    assert_equal('b', g:teststring[1])
2588    assert_equal('f', g:teststring[-1])
2589    assert_equal('', g:teststring[99])
2590
2591    assert_equal('b', g:teststring[1 : 1])
2592    assert_equal('bcdef', g:teststring[1 :])
2593    assert_equal('abcd', g:teststring[: 3])
2594    assert_equal('cdef', g:teststring[-4 :])
2595    assert_equal('abcdef', g:teststring[-9 :])
2596    assert_equal('abcd', g:teststring[: -3])
2597    assert_equal('', g:teststring[: -9])
2598
2599    # composing characters are included
2600    g:teststring = 'àéû'
2601    assert_equal('à', g:teststring[0])
2602    assert_equal('é', g:teststring[1])
2603    assert_equal('û', g:teststring[2])
2604    assert_equal('', g:teststring[3])
2605    assert_equal('', g:teststring[4])
2606
2607    assert_equal('û', g:teststring[-1])
2608    assert_equal('é', g:teststring[-2])
2609    assert_equal('à', g:teststring[-3])
2610    assert_equal('', g:teststring[-4])
2611    assert_equal('', g:teststring[-5])
2612
2613    assert_equal('à', g:teststring[0 : 0])
2614    assert_equal('é', g:teststring[1 : 1])
2615    assert_equal('àé', g:teststring[0 : 1])
2616    assert_equal('àéû', g:teststring[0 : -1])
2617    assert_equal('àé', g:teststring[0 : -2])
2618    assert_equal('à', g:teststring[0 : -3])
2619    assert_equal('', g:teststring[0 : -4])
2620    assert_equal('', g:teststring[0 : -5])
2621    assert_equal('àéû', g:teststring[ : ])
2622    assert_equal('àéû', g:teststring[0 : ])
2623    assert_equal('éû', g:teststring[1 : ])
2624    assert_equal('û', g:teststring[2 : ])
2625    assert_equal('', g:teststring[3 : ])
2626    assert_equal('', g:teststring[4 : ])
2627
2628    # blob index cannot be out of range
2629    g:testblob = 0z01ab
2630    assert_equal(0x01, g:testblob[0])
2631    assert_equal(0xab, g:testblob[1])
2632    assert_equal(0xab, g:testblob[-1])
2633    assert_equal(0x01, g:testblob[-2])
2634
2635    # blob slice accepts out of range
2636    assert_equal(0z01ab, g:testblob[0 : 1])
2637    assert_equal(0z01, g:testblob[0 : 0])
2638    assert_equal(0z01, g:testblob[-2 : -2])
2639    assert_equal(0zab, g:testblob[1 : 1])
2640    assert_equal(0zab, g:testblob[-1 : -1])
2641    assert_equal(0z, g:testblob[2 : 2])
2642    assert_equal(0z, g:testblob[0 : -3])
2643
2644    # list index cannot be out of range
2645    g:testlist = [0, 1, 2, 3]
2646    assert_equal(0, g:testlist[0])
2647    assert_equal(1, g:testlist[1])
2648    assert_equal(3, g:testlist[3])
2649    assert_equal(3, g:testlist[-1])
2650    assert_equal(0, g:testlist[-4])
2651    assert_equal(1, g:testlist[g:theone])
2652
2653    # list slice accepts out of range
2654    assert_equal([0], g:testlist[0 : 0])
2655    assert_equal([3], g:testlist[3 : 3])
2656    assert_equal([0, 1], g:testlist[0 : 1])
2657    assert_equal([0, 1, 2, 3], g:testlist[0 : 3])
2658    assert_equal([0, 1, 2, 3], g:testlist[0 : 9])
2659    assert_equal([], g:testlist[-1 : 1])
2660    assert_equal([1], g:testlist[-3 : 1])
2661    assert_equal([0, 1], g:testlist[-4 : 1])
2662    assert_equal([0, 1], g:testlist[-9 : 1])
2663    assert_equal([1, 2, 3], g:testlist[1 : -1])
2664    assert_equal([1], g:testlist[1 : -3])
2665    assert_equal([], g:testlist[1 : -4])
2666    assert_equal([], g:testlist[1 : -9])
2667
2668    g:testdict = {a: 1, b: 2}
2669    assert_equal(1, g:testdict['a'])
2670    assert_equal(2, g:testdict['b'])
2671  END
2672
2673  CheckDefAndScriptSuccess(lines)
2674
2675  CheckDefExecAndScriptFailure(['echo g:testblob[2]'], 'E979:', 1)
2676  CheckDefExecAndScriptFailure(['echo g:testblob[-3]'], 'E979:', 1)
2677
2678  CheckDefExecAndScriptFailure(['echo g:testlist[4]'], 'E684: list index out of range: 4', 1)
2679  CheckDefExecAndScriptFailure(['echo g:testlist[-5]'], 'E684:', 1)
2680
2681  CheckDefExecAndScriptFailure(['echo g:testdict["a" : "b"]'], 'E719:', 1)
2682  CheckDefExecAndScriptFailure(['echo g:testdict[1]'], 'E716:', 1)
2683
2684  unlet g:teststring
2685  unlet g:testblob
2686  unlet g:testlist
2687enddef
2688
2689def Test_expr_member_vim9script()
2690  var lines =<< trim END
2691      var d = {one:
2692      		'one',
2693		two: 'two',
2694		1: 1,
2695		_: 2}
2696      assert_equal('one', d.one)
2697      assert_equal('one', d
2698                            .one)
2699      assert_equal(1, d
2700                            .1)
2701      assert_equal(2, d
2702                            ._)
2703      assert_equal('one', d[
2704			    'one'
2705			    ])
2706  END
2707  CheckDefAndScriptSuccess(lines)
2708
2709  lines =<< trim END
2710      var l = [1,
2711		  2,
2712		  3, 4
2713		  ]
2714      assert_equal(2, l[
2715			    1
2716			    ])
2717      assert_equal([2, 3], l[1 : 2])
2718      assert_equal([1, 2, 3], l[
2719				:
2720				2
2721				])
2722      assert_equal([3, 4], l[
2723				2
2724				:
2725				])
2726  END
2727  CheckDefAndScriptSuccess(lines)
2728enddef
2729
2730def SetSomeVar()
2731  b:someVar = &fdm
2732enddef
2733
2734def Test_expr7_option()
2735  var lines =<< trim END
2736      # option
2737      set ts=11
2738      assert_equal(11, &ts)
2739      &ts = 9
2740      assert_equal(9, &ts)
2741      set ts=8
2742      set grepprg=some\ text
2743      assert_equal('some text', &grepprg)
2744      &grepprg = test_null_string()
2745      assert_equal('', &grepprg)
2746      set grepprg&
2747
2748      # check matching type
2749      var bval: bool = &tgc
2750      var nval: number = &ts
2751      var sval: string = &path
2752
2753      # check v_lock is cleared (requires using valgrind, doesn't always show)
2754      SetSomeVar()
2755      b:someVar = 0
2756      unlet b:someVar
2757  END
2758  CheckDefAndScriptSuccess(lines)
2759enddef
2760
2761def Test_expr7_environment()
2762  var lines =<< trim END
2763      # environment variable
2764      assert_equal('testvar', $TESTVAR)
2765      assert_equal('', $ASDF_ASD_XXX)
2766  END
2767  CheckDefAndScriptSuccess(lines)
2768
2769  CheckDefAndScriptFailure2(["var x = $$$"], 'E1002:', 'E15:', 1)
2770enddef
2771
2772def Test_expr7_register()
2773  var lines =<< trim END
2774      @a = 'register a'
2775      assert_equal('register a', @a)
2776
2777      var fname = expand('%')
2778      assert_equal(fname, @%)
2779
2780      feedkeys(":echo 'some'\<CR>", "xt")
2781      assert_equal("echo 'some'", @:)
2782
2783      normal axyz
2784      assert_equal("xyz", @.)
2785
2786      @/ = 'slash'
2787      assert_equal('slash', @/)
2788
2789      @= = 'equal'
2790      assert_equal('equal', @=)
2791  END
2792  CheckDefAndScriptSuccess(lines)
2793
2794  CheckDefAndScriptFailure2(["@. = 'yes'"], 'E354:', 'E488:', 1)
2795enddef
2796
2797" This is slow when run under valgrind.
2798def Test_expr7_namespace()
2799  var lines =<< trim END
2800      g:some_var = 'some'
2801      assert_equal('some', get(g:, 'some_var'))
2802      assert_equal('some', get(g:, 'some_var', 'xxx'))
2803      assert_equal('xxx', get(g:, 'no_var', 'xxx'))
2804      unlet g:some_var
2805
2806      b:some_var = 'some'
2807      assert_equal('some', get(b:, 'some_var'))
2808      assert_equal('some', get(b:, 'some_var', 'xxx'))
2809      assert_equal('xxx', get(b:, 'no_var', 'xxx'))
2810      unlet b:some_var
2811
2812      w:some_var = 'some'
2813      assert_equal('some', get(w:, 'some_var'))
2814      assert_equal('some', get(w:, 'some_var', 'xxx'))
2815      assert_equal('xxx', get(w:, 'no_var', 'xxx'))
2816      unlet w:some_var
2817
2818      t:some_var = 'some'
2819      assert_equal('some', get(t:, 'some_var'))
2820      assert_equal('some', get(t:, 'some_var', 'xxx'))
2821      assert_equal('xxx', get(t:, 'no_var', 'xxx'))
2822      unlet t:some_var
2823
2824      # check using g: in a for loop more than DO_NOT_FREE_CNT times
2825      for i in range(100000)
2826        if has_key(g:, 'does-not-exist')
2827        endif
2828      endfor
2829  END
2830  CheckDefAndScriptSuccess(lines)
2831enddef
2832
2833def Test_expr7_parens()
2834  # (expr)
2835  var lines =<< trim END
2836      assert_equal(4, (6 * 4) / 6)
2837      assert_equal(0, 6 * ( 4 / 6 ))
2838
2839      assert_equal(6, +6)
2840      assert_equal(-6, -6)
2841      assert_equal(false, !-3)
2842      assert_equal(true, !+0)
2843
2844      assert_equal(7, 5 + (
2845                    2))
2846      assert_equal(7, 5 + (
2847                    2
2848                    ))
2849      assert_equal(7, 5 + ( # comment
2850                    2))
2851      assert_equal(7, 5 + ( # comment
2852                    # comment
2853                    2))
2854
2855      var s = (
2856		'one'
2857		..
2858		'two'
2859		)
2860      assert_equal('onetwo', s)
2861  END
2862  CheckDefAndScriptSuccess(lines)
2863enddef
2864
2865def Test_expr7_negate_add()
2866  var lines =<< trim END
2867      assert_equal(-99, -99)
2868      assert_equal(-99, - 99)
2869      assert_equal(99, +99)
2870
2871      var nr = 88
2872      assert_equal(-88, -nr)
2873      assert_equal(-88, - nr)
2874      assert_equal(88, + nr)
2875  END
2876  CheckDefAndScriptSuccess(lines)
2877
2878  lines =<< trim END
2879    var n = 12
2880    echo ++n
2881  END
2882  CheckDefAndScriptFailure(lines, 'E15:')
2883  lines =<< trim END
2884    var n = 12
2885    echo --n
2886  END
2887  CheckDefAndScriptFailure(lines, 'E15:')
2888  lines =<< trim END
2889    var n = 12
2890    echo +-n
2891  END
2892  CheckDefAndScriptFailure(lines, 'E15:')
2893  lines =<< trim END
2894    var n = 12
2895    echo -+n
2896  END
2897  CheckDefAndScriptFailure(lines, 'E15:')
2898  lines =<< trim END
2899    var n = 12
2900    echo - -n
2901  END
2902  CheckDefAndScriptFailure(lines, 'E15:')
2903  lines =<< trim END
2904    var n = 12
2905    echo + +n
2906  END
2907  CheckDefAndScriptFailure(lines, 'E15:')
2908enddef
2909
2910def LegacyReturn(): string
2911  legacy return #{key: 'ok'}.key
2912enddef
2913
2914def Test_expr7_legacy_script()
2915  var lines =<< trim END
2916      let s:legacy = 'legacy'
2917      def GetLocal(): string
2918        return legacy
2919      enddef
2920      def GetLocalPrefix(): string
2921        return s:legacy
2922      enddef
2923      call assert_equal('legacy', GetLocal())
2924      call assert_equal('legacy', GetLocalPrefix())
2925  END
2926  CheckScriptSuccess(lines)
2927
2928  assert_equal('ok', LegacyReturn())
2929
2930  lines =<< trim END
2931      vim9script
2932      def GetNumber(): number
2933          legacy return range(3)->map('v:val + 1')
2934      enddef
2935      echo GetNumber()
2936  END
2937  CheckScriptFailure(lines, 'E1012: Type mismatch; expected number but got list<number>')
2938enddef
2939
2940def Echo(arg: any): string
2941  return arg
2942enddef
2943
2944def s:Echo4Arg(arg: any): string
2945  return arg
2946enddef
2947
2948def Test_expr7_call()
2949  var lines =<< trim END
2950      assert_equal('yes', 'yes'->Echo())
2951      assert_equal(true, !range(5)->empty())
2952      assert_equal([0, 1, 2], 3->range())
2953  END
2954  CheckDefAndScriptSuccess(lines)
2955
2956  assert_equal('yes', 'yes'
2957                        ->s:Echo4Arg())
2958
2959  CheckDefAndScriptFailure(["var x = 'yes'->Echo"], 'E107:', 1)
2960  CheckDefAndScriptFailure2([
2961       "var x = substitute ('x', 'x', 'x', 'x')"
2962       ], 'E1001:', 'E121:', 1)
2963  CheckDefAndScriptFailure2(["var Ref = function('len' [1, 2])"], 'E1123:', 'E116:', 1)
2964
2965  var auto_lines =<< trim END
2966      def g:some#func(): string
2967	return 'found'
2968      enddef
2969  END
2970  mkdir('Xruntime/autoload', 'p')
2971  writefile(auto_lines, 'Xruntime/autoload/some.vim')
2972  var save_rtp = &rtp
2973  &rtp = getcwd() .. '/Xruntime,' .. &rtp
2974  assert_equal('found', g:some#func())
2975  assert_equal('found', some#func())
2976
2977  &rtp = save_rtp
2978  delete('Xruntime', 'rf')
2979enddef
2980
2981def Test_expr7_method_call()
2982  var lines =<< trim END
2983      new
2984      setline(1, ['first', 'last'])
2985      'second'->append(1)
2986      "third"->append(2)
2987      assert_equal(['first', 'second', 'third', 'last'], getline(1, '$'))
2988      bwipe!
2989
2990      var bufnr = bufnr()
2991      var loclist = [{bufnr: bufnr, lnum: 42, col: 17, text: 'wrong'}]
2992      loclist->setloclist(0)
2993      assert_equal([{bufnr: bufnr,
2994                    lnum: 42,
2995                    end_lnum: 0,
2996                    col: 17,
2997                    end_col: 0,
2998                    text: 'wrong',
2999                    pattern: '',
3000                    valid: 1,
3001                    vcol: 0,
3002                    nr: 0,
3003                    type: '',
3004                    module: ''}
3005                    ], getloclist(0))
3006
3007      var result: bool = get({n: 0}, 'n', 0)
3008      assert_equal(false, result)
3009
3010      assert_equal('+string+', 'string'->((s) => '+' .. s .. '+')())
3011      assert_equal('-text-', 'text'->((s, c) => c .. s .. c)('-'))
3012
3013      var Join = (l) => join(l, 'x')
3014      assert_equal('axb', ['a', 'b']->(Join)())
3015
3016      var sorted = [3, 1, 2]
3017                    -> sort()
3018      assert_equal([1, 2, 3], sorted)
3019  END
3020  CheckDefAndScriptSuccess(lines)
3021
3022  lines =<< trim END
3023    def RetVoid()
3024    enddef
3025    RetVoid()->byteidx(3)
3026  END
3027  CheckDefExecFailure(lines, 'E1013:')
3028enddef
3029
3030
3031def Test_expr7_not()
3032  var lines =<< trim END
3033      assert_equal(true, !'')
3034      assert_equal(true, ![])
3035      assert_equal(false, !'asdf')
3036      assert_equal(false, ![2])
3037      assert_equal(true, !!'asdf')
3038      assert_equal(true, !![2])
3039
3040      assert_equal(true, ! false)
3041      assert_equal(true, !! true)
3042      assert_equal(true, ! ! true)
3043      assert_equal(true, !!! false)
3044      assert_equal(true, ! ! ! false)
3045
3046      g:true = true
3047      g:false = false
3048      assert_equal(true, ! g:false)
3049      assert_equal(true, !! g:true)
3050      assert_equal(true, ! ! g:true)
3051      assert_equal(true, !!! g:false)
3052      assert_equal(true, ! ! ! g:false)
3053      unlet g:true
3054      unlet g:false
3055
3056      assert_equal(true, !test_null_partial())
3057      assert_equal(false, !() => 'yes')
3058
3059      assert_equal(true, !test_null_dict())
3060      assert_equal(true, !{})
3061      assert_equal(false, !{yes: 'no'})
3062
3063      if has('channel')
3064	assert_equal(true, !test_null_job())
3065	assert_equal(true, !test_null_channel())
3066      endif
3067
3068      assert_equal(true, !test_null_blob())
3069      assert_equal(true, !0z)
3070      assert_equal(false, !0z01)
3071
3072      assert_equal(true, !test_void())
3073      assert_equal(true, !test_unknown())
3074
3075      assert_equal(false, ![1, 2, 3]->reverse())
3076      assert_equal(true, ![]->reverse())
3077  END
3078  CheckDefAndScriptSuccess(lines)
3079enddef
3080
3081func Test_expr7_fails()
3082  call CheckDefFailure(["var x = (12"], "E1097:", 3)
3083  call CheckScriptFailure(['vim9script', "var x = (12"], 'E110:', 2)
3084
3085  call CheckDefAndScriptFailure(["var x = -'xx'"], "E1030:", 1)
3086  call CheckDefAndScriptFailure(["var x = +'xx'"], "E1030:", 1)
3087  call CheckDefAndScriptFailure(["var x = -0z12"], "E974:", 1)
3088  call CheckDefExecAndScriptFailure2(["var x = -[8]"], "E39:", 'E745:', 1)
3089  call CheckDefExecAndScriptFailure2(["var x = -{a: 1}"], "E39:", 'E728:', 1)
3090
3091  call CheckDefAndScriptFailure(["var x = @"], "E1002:", 1)
3092  call CheckDefAndScriptFailure(["var x = @<"], "E354:", 1)
3093
3094  call CheckDefFailure(["var x = [1, 2"], "E697:", 2)
3095  call CheckScriptFailure(['vim9script', "var x = [1, 2"], 'E696:', 2)
3096
3097  call CheckDefAndScriptFailure2(["var x = [notfound]"], "E1001:", 'E121:', 1)
3098
3099  call CheckDefAndScriptFailure(["var X = () => 123)"], 'E488:', 1)
3100  call CheckDefAndScriptFailure(["var x = 123->((x) => x + 5)"], "E107:", 1)
3101
3102  call CheckDefAndScriptFailure(["var x = &notexist"], 'E113:', 1)
3103  call CheckDefAndScriptFailure2(["&grepprg = [343]"], 'E1012:', 'E730:', 1)
3104
3105  call CheckDefExecAndScriptFailure(["echo s:doesnt_exist"], 'E121:', 1)
3106  call CheckDefExecAndScriptFailure(["echo g:doesnt_exist"], 'E121:', 1)
3107
3108  call CheckDefAndScriptFailure2(["echo a:somevar"], 'E1075:', 'E121:', 1)
3109  call CheckDefAndScriptFailure2(["echo l:somevar"], 'E1075:', 'E121:', 1)
3110  call CheckDefAndScriptFailure2(["echo x:somevar"], 'E1075:', 'E121:', 1)
3111
3112  call CheckDefExecAndScriptFailure(["var x = +g:astring"], 'E1030:', 1)
3113  call CheckDefExecAndScriptFailure(["var x = +g:ablob"], 'E974:', 1)
3114  call CheckDefExecAndScriptFailure(["var x = +g:alist"], 'E745:', 1)
3115  call CheckDefExecAndScriptFailure(["var x = +g:adict"], 'E728:', 1)
3116
3117  call CheckDefAndScriptFailure2(["var x = ''", "var y = x.memb"], 'E715:', 'E488:', 2)
3118
3119  call CheckDefAndScriptFailure2(["'yes'->", "Echo()"], 'E488: Trailing characters: ->', 'E260: Missing name after ->', 1)
3120
3121  call CheckDefExecFailure(["[1, 2->len()"], 'E697:', 2)
3122  call CheckScriptFailure(['vim9script', "[1, 2->len()"], 'E696:', 2)
3123
3124  call CheckDefFailure(["{a: 1->len()"], 'E723:', 2)
3125  call CheckScriptFailure(['vim9script', "{a: 1->len()"], 'E722:', 2)
3126
3127  call CheckDefExecFailure(["{['a']: 1->len()"], 'E723:', 2)
3128  call CheckScriptFailure(['vim9script', "{['a']: 1->len()"], 'E722:', 2)
3129endfunc
3130
3131let g:Funcrefs = [function('add')]
3132
3133func CallMe(arg)
3134  return a:arg
3135endfunc
3136
3137func CallMe2(one, two)
3138  return a:one .. a:two
3139endfunc
3140
3141def Test_expr7_trailing()
3142  var lines =<< trim END
3143      # user function call
3144      assert_equal(123, g:CallMe(123))
3145      assert_equal(123, g:CallMe(  123))
3146      assert_equal(123, g:CallMe(123  ))
3147      assert_equal('yesno', g:CallMe2('yes', 'no'))
3148      assert_equal('yesno', g:CallMe2( 'yes', 'no' ))
3149      assert_equal('nothing', g:CallMe('nothing'))
3150
3151      # partial call
3152      var Part = function('g:CallMe')
3153      assert_equal('yes', Part('yes'))
3154
3155      # funcref call, using list index
3156      var l = []
3157      g:Funcrefs[0](l, 2)
3158      assert_equal([2], l)
3159
3160      # method call
3161      l = [2, 5, 6]
3162      l->map((k, v) => k + v)
3163      assert_equal([2, 6, 8], l)
3164
3165      # lambda method call
3166      l = [2, 5]
3167      l->((ll) => add(ll, 8))()
3168      assert_equal([2, 5, 8], l)
3169
3170      # dict member
3171      var d = {key: 123}
3172      assert_equal(123, d.key)
3173  END
3174  CheckDefAndScriptSuccess(lines)
3175enddef
3176
3177def Test_expr7_string_subscript()
3178  var lines =<< trim END
3179    var text = 'abcdef'
3180    assert_equal('f', text[-1])
3181    assert_equal('a', text[0])
3182    assert_equal('e', text[4])
3183    assert_equal('f', text[5])
3184    assert_equal('', text[6])
3185
3186    text = 'ábçdë'
3187    assert_equal('ë', text[-1])
3188    assert_equal('d', text[-2])
3189    assert_equal('ç', text[-3])
3190    assert_equal('b', text[-4])
3191    assert_equal('á', text[-5])
3192    assert_equal('', text[-6])
3193
3194    text = 'ábçdëf'
3195    assert_equal('', text[-999])
3196    assert_equal('f', text[-1])
3197    assert_equal('á', text[0])
3198    assert_equal('b', text[1])
3199    assert_equal('ç', text[2])
3200    assert_equal('d', text[3])
3201    assert_equal('ë', text[4])
3202    assert_equal('f', text[5])
3203    assert_equal('', text[6])
3204    assert_equal('', text[999])
3205
3206    assert_equal('ábçdëf', text[0 : -1])
3207    assert_equal('ábçdëf', text[0 : -1])
3208    assert_equal('ábçdëf', text[0 : -1])
3209    assert_equal('ábçdëf', text[0 : -1])
3210    assert_equal('ábçdëf', text[0
3211                  : -1])
3212    assert_equal('ábçdëf', text[0 :
3213                  -1])
3214    assert_equal('ábçdëf', text[0 : -1
3215                  ])
3216    assert_equal('bçdëf', text[1 : -1])
3217    assert_equal('çdëf', text[2 : -1])
3218    assert_equal('dëf', text[3 : -1])
3219    assert_equal('ëf', text[4 : -1])
3220    assert_equal('f', text[5 : -1])
3221    assert_equal('', text[6 : -1])
3222    assert_equal('', text[999 : -1])
3223
3224    assert_equal('ábçd', text[: 3])
3225    assert_equal('bçdëf', text[1 :])
3226    assert_equal('ábçdëf', text[:])
3227
3228    assert_equal('a', g:astring[0])
3229    assert_equal('sd', g:astring[1 : 2])
3230    assert_equal('asdf', g:astring[:])
3231  END
3232  CheckDefAndScriptSuccess(lines)
3233
3234  lines =<< trim END
3235      var d = 'asdf'[1 :
3236  END
3237  CheckDefFailure(lines, 'E1097:', 3)
3238  CheckScriptFailure(['vim9script'] + lines, 'E15:', 2)
3239
3240  lines =<< trim END
3241      var d = 'asdf'[1 : xxx]
3242  END
3243  CheckDefAndScriptFailure2(lines, 'E1001:', 'E121:', 1)
3244
3245  lines =<< trim END
3246      var d = 'asdf'[1 : 2
3247  END
3248  CheckDefFailure(lines, 'E1097:', 3)
3249  CheckScriptFailure(['vim9script'] + lines, 'E111:', 2)
3250
3251  lines =<< trim END
3252      var d = 'asdf'[1 : 2
3253      echo d
3254  END
3255  CheckDefAndScriptFailure(lines, 'E111:', 2)
3256
3257  lines =<< trim END
3258      var d = 'asdf'['1']
3259      echo d
3260  END
3261  CheckDefAndScriptFailure2(lines, 'E1012: Type mismatch; expected number but got string', 'E1030: Using a String as a Number: "1"', 1)
3262
3263  lines =<< trim END
3264      var d = 'asdf'['1' : 2]
3265      echo d
3266  END
3267  CheckDefAndScriptFailure2(lines, 'E1012: Type mismatch; expected number but got string', 'E1030: Using a String as a Number: "1"', 1)
3268
3269  lines =<< trim END
3270      var d = 'asdf'[1 : '2']
3271      echo d
3272  END
3273  CheckDefAndScriptFailure2(lines, 'E1012: Type mismatch; expected number but got string', 'E1030: Using a String as a Number: "2"', 1)
3274enddef
3275
3276def Test_expr7_list_subscript()
3277  var lines =<< trim END
3278      var list = [0, 1, 2, 3, 4]
3279      assert_equal(0, list[0])
3280      assert_equal(4, list[4])
3281      assert_equal(4, list[-1])
3282      assert_equal(0, list[-5])
3283
3284      assert_equal([0, 1, 2, 3, 4], list[0 : 4])
3285      assert_equal([0, 1, 2, 3, 4], list[:])
3286      assert_equal([1, 2, 3, 4], list[1 :])
3287      assert_equal([2, 3, 4], list[2 : -1])
3288      assert_equal([4], list[4 : -1])
3289      assert_equal([], list[5 : -1])
3290      assert_equal([], list[999 : -1])
3291      assert_equal([1, 2, 3, 4], list[g:theone : g:thefour])
3292
3293      assert_equal([0, 1, 2, 3], list[0 : 3])
3294      assert_equal([0], list[0 : 0])
3295      assert_equal([0, 1, 2, 3, 4], list[0 : -1])
3296      assert_equal([0, 1, 2], list[0 : -3])
3297      assert_equal([0], list[0 : -5])
3298      assert_equal([], list[0 : -6])
3299      assert_equal([], list[0 : -99])
3300
3301      assert_equal(2, g:alist[0])
3302      assert_equal([2, 3, 4], g:alist[:])
3303  END
3304  CheckDefAndScriptSuccess(lines)
3305
3306  lines = ['var l = [0, 1, 2]', 'echo l[g:astring : g:theone]']
3307  CheckDefExecAndScriptFailure2(lines, 'E1012:', 'E1030:', 2)
3308
3309  lines =<< trim END
3310      var ld = []
3311      def Func()
3312        eval ld[0].key
3313      enddef
3314      defcompile
3315  END
3316  CheckDefAndScriptSuccess(lines)
3317enddef
3318
3319def Test_expr7_dict_subscript()
3320  var lines =<< trim END
3321      var l = [{lnum: 2}, {lnum: 1}]
3322      var res = l[0].lnum > l[1].lnum
3323      assert_true(res)
3324
3325      assert_equal(2, g:adict['aaa'])
3326      assert_equal(8, g:adict.bbb)
3327
3328      var dd = {}
3329      def Func1()
3330        eval dd.key1.key2
3331      enddef
3332      def Func2()
3333        eval dd['key1'].key2
3334      enddef
3335      defcompile
3336  END
3337  CheckDefAndScriptSuccess(lines)
3338enddef
3339
3340def Test_expr7_blob_subscript()
3341  var lines =<< trim END
3342      var b = 0z112233
3343      assert_equal(0x11, b[0])
3344      assert_equal(0z112233, b[:])
3345
3346      assert_equal(0x01, g:ablob[0])
3347      assert_equal(0z01ab, g:ablob[:])
3348  END
3349  CheckDefAndScriptSuccess(lines)
3350enddef
3351
3352def Test_expr7_subscript_linebreak()
3353  var lines =<< trim END
3354      var range = range(
3355                    3)
3356      var l = range
3357            ->mapnew('string(v:key)')
3358      assert_equal(['0', '1', '2'], l)
3359
3360      l = range
3361            ->mapnew('string(v:key)')
3362      assert_equal(['0', '1', '2'], l)
3363
3364      l = range # comment
3365            ->mapnew('string(v:key)')
3366      assert_equal(['0', '1', '2'], l)
3367
3368      l = range
3369
3370            ->mapnew('string(v:key)')
3371      assert_equal(['0', '1', '2'], l)
3372
3373      l = range
3374            # comment
3375            ->mapnew('string(v:key)')
3376      assert_equal(['0', '1', '2'], l)
3377
3378      assert_equal('1', l[
3379            1])
3380
3381      var d = {one: 33}
3382      assert_equal(33, d
3383            .one)
3384  END
3385  CheckDefAndScriptSuccess(lines)
3386
3387  lines =<< trim END
3388      var d = {one: 33}
3389      assert_equal(33, d.
3390            one)
3391  END
3392  CheckDefAndScriptFailure2(lines, 'E1127:', 'E116:', 2)
3393enddef
3394
3395func Test_expr7_trailing_fails()
3396  call CheckDefAndScriptFailure(['var l = [2]', 'l->((ll) => add(ll, 8))'], 'E107:', 2)
3397  call CheckDefAndScriptFailure(['var l = [2]', 'l->((ll) => add(ll, 8)) ()'], 'E274:', 2)
3398endfunc
3399
3400func Test_expr_fails()
3401  call CheckDefAndScriptFailure(["var x = '1'is2"], 'E488:', 1)
3402  call CheckDefAndScriptFailure(["var x = '1'isnot2"], 'E488:', 1)
3403
3404  call CheckDefAndScriptFailure2(["CallMe ('yes')"], 'E476:', 'E492:', 1)
3405
3406  call CheckDefAndScriptFailure(["CallMe2('yes','no')"], 'E1069:', 1)
3407
3408  call CheckDefAndScriptFailure2(["v:nosuch += 3"], 'E1001:', 'E121:', 1)
3409  call CheckDefAndScriptFailure(["var v:statusmsg = ''"], 'E1016: Cannot declare a v: variable:', 1)
3410  call CheckDefAndScriptFailure2(["var asdf = v:nosuch"], 'E1001:', 'E121:', 1)
3411
3412  call CheckDefFailure(["echo len('asdf'"], 'E110:', 2)
3413  call CheckScriptFailure(['vim9script', "echo len('asdf'"], 'E116:', 2)
3414
3415  call CheckDefAndScriptFailure2(["echo Func0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789()"], 'E1011:', 'E117:', 1)
3416  call CheckDefAndScriptFailure(["echo doesnotexist()"], 'E117:', 1)
3417endfunc
3418
3419" vim: shiftwidth=2 sts=2 expandtab
3420