1" Tests for Vim9 script expressions
2
3source check.vim
4source vim9.vim
5
6
7let g:cond = v:false
8def FuncOne(arg: number): string
9  return 'yes'
10enddef
11def FuncTwo(arg: number): number
12  return 123
13enddef
14
15" test cond ? expr : expr
16def Test_expr1()
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  let var = 1
32  assert_equal('one', var ? '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  var = 0
44  assert_equal('two', var ? 'one' : 'two')
45
46  let Some: func = function('len')
47  let Other: func = function('winnr')
48  let Res: func = g:atrue ? Some : Other
49  assert_equal(function('len'), Res)
50
51  let RetOne: func(string): number = function('len')
52  let RetTwo: func(string): number = function('winnr')
53  let RetThat: func = g:atrue ? RetOne : RetTwo
54  assert_equal(function('len'), RetThat)
55
56  let X = FuncOne
57  let Y = FuncTwo
58  let Z = g:cond ? FuncOne : FuncTwo
59  assert_equal(123, Z(3))
60enddef
61
62def Test_expr1_vimscript()
63  # check line continuation
64  let lines =<< trim END
65      vim9script
66      let var = 1
67      		? 'yes'
68		: 'no'
69      assert_equal('yes', var)
70  END
71  CheckScriptSuccess(lines)
72
73  lines =<< trim END
74      vim9script
75      let var = v:false
76      		? 'yes'
77		: 'no'
78      assert_equal('no', var)
79  END
80  CheckScriptSuccess(lines)
81
82  lines =<< trim END
83      vim9script
84      let var = v:false ?
85      		'yes' :
86		'no'
87      assert_equal('no', var)
88  END
89  CheckScriptSuccess(lines)
90
91  # check white space
92  lines =<< trim END
93      vim9script
94      let var = v:true?1:2
95  END
96  CheckScriptFailure(lines, 'E1004:')
97  lines =<< trim END
98      vim9script
99      let var = v:true? 1 : 2
100  END
101  CheckScriptFailure(lines, 'E1004:')
102  lines =<< trim END
103      vim9script
104      let var = v:true ?1 : 2
105  END
106  CheckScriptFailure(lines, 'E1004:')
107  lines =<< trim END
108      vim9script
109      let var = v:true ? 1: 2
110  END
111  CheckScriptFailure(lines, 'E1004:')
112  lines =<< trim END
113      vim9script
114      let var = v:true ? 1 :2
115  END
116  CheckScriptFailure(lines, 'E1004:')
117enddef
118
119func Test_expr1_fails()
120  call CheckDefFailure(["let x = 1 ? 'one'"], "Missing ':' after '?'")
121  call CheckDefFailure(["let x = 1 ? 'one' : xxx"], "E1001:")
122
123  let msg = "white space required before and after '?'"
124  call CheckDefFailure(["let x = 1? 'one' : 'two'"], msg)
125  call CheckDefFailure(["let x = 1 ?'one' : 'two'"], msg)
126  call CheckDefFailure(["let x = 1?'one' : 'two'"], msg)
127
128  let msg = "white space required before and after ':'"
129  call CheckDefFailure(["let x = 1 ? 'one': 'two'"], msg)
130  call CheckDefFailure(["let x = 1 ? 'one' :'two'"], msg)
131  call CheckDefFailure(["let x = 1 ? 'one':'two'"], msg)
132
133  " missing argument detected even when common type is used
134  call CheckDefFailure([
135	\ 'let X = FuncOne',
136	\ 'let Y = FuncTwo',
137	\ 'let Z = g:cond ? FuncOne : FuncTwo',
138	\ 'Z()'], 'E119:')
139endfunc
140
141" TODO: define inside test function
142def Record(val: any): any
143  g:vals->add(val)
144  return val
145enddef
146
147" test ||
148def Test_expr2()
149  assert_equal(2, 2 || 0)
150  assert_equal(7, 0 ||
151		    0 ||
152		    7)
153  assert_equal(0, 0 || 0)
154  assert_equal(0, 0
155  		    || 0)
156  assert_equal('', 0 || '')
157
158  g:vals = []
159  assert_equal(3, Record(3) || Record(1))
160  assert_equal([3], g:vals)
161
162  g:vals = []
163  assert_equal(5, Record(0) || Record(5))
164  assert_equal([0, 5], g:vals)
165
166  g:vals = []
167  assert_equal(4, Record(0)
168		      || Record(4)
169		      || Record(0))
170  assert_equal([0, 4], g:vals)
171
172  g:vals = []
173  assert_equal(0, Record([]) || Record('') || Record(0))
174  assert_equal([[], '', 0], g:vals)
175enddef
176
177def Test_expr2_vimscript()
178  # check line continuation
179  let lines =<< trim END
180      vim9script
181      let var = 0
182      		|| 1
183      assert_equal(1, var)
184  END
185  CheckScriptSuccess(lines)
186
187  lines =<< trim END
188      vim9script
189      let var = v:false
190      		|| v:true
191      		|| v:false
192      assert_equal(v:true, var)
193  END
194  CheckScriptSuccess(lines)
195
196  lines =<< trim END
197      vim9script
198      let var = v:false ||
199      		v:true ||
200		v:false
201      assert_equal(v:true, var)
202  END
203  CheckScriptSuccess(lines)
204
205  # check white space
206  lines =<< trim END
207      vim9script
208      let var = v:true||v:true
209  END
210  CheckScriptFailure(lines, 'E1004:')
211  lines =<< trim END
212      vim9script
213      let var = v:true ||v:true
214  END
215  CheckScriptFailure(lines, 'E1004:')
216  lines =<< trim END
217      vim9script
218      let var = v:true|| v:true
219  END
220  CheckScriptFailure(lines, 'E1004:')
221
222  # check keeping the value
223  lines =<< trim END
224      vim9script
225      assert_equal(2, 2 || 0)
226      assert_equal(7, 0 ||
227			0 ||
228			7)
229      assert_equal(0, 0 || 0)
230      assert_equal(0, 0
231			|| 0)
232      assert_equal('', 0 || '')
233
234      g:vals = []
235      assert_equal(3, Record(3) || Record(1))
236      assert_equal([3], g:vals)
237
238      g:vals = []
239      assert_equal(5, Record(0) || Record(5))
240      assert_equal([0, 5], g:vals)
241
242      g:vals = []
243      assert_equal(4, Record(0)
244			  || Record(4)
245			  || Record(0))
246      assert_equal([0, 4], g:vals)
247
248      g:vals = []
249      assert_equal(0, Record([]) || Record('') || Record(0))
250      assert_equal([[], '', 0], g:vals)
251  END
252  CheckScriptSuccess(lines)
253enddef
254
255func Test_expr2_fails()
256  let msg = "white space required before and after '||'"
257  call CheckDefFailure(["let x = 1||2"], msg)
258  call CheckDefFailure(["let x = 1 ||2"], msg)
259  call CheckDefFailure(["let x = 1|| 2"], msg)
260
261  call CheckDefFailure(["let x = 1 || xxx"], 'E1001:')
262endfunc
263
264" test &&
265def Test_expr3()
266  assert_equal(0, 2 && 0)
267  assert_equal(0, 0 &&
268		0 &&
269		7)
270  assert_equal(7, 2
271  		    && 3
272		    && 7)
273  assert_equal(0, 0 && 0)
274  assert_equal(0, 0 && '')
275  assert_equal('', 8 && '')
276
277  g:vals = []
278  assert_equal(1, Record(3) && Record(1))
279  assert_equal([3, 1], g:vals)
280
281  g:vals = []
282  assert_equal(0, Record(0) && Record(5))
283  assert_equal([0], g:vals)
284
285  g:vals = []
286  assert_equal(0, Record(0) && Record(4) && Record(0))
287  assert_equal([0], g:vals)
288
289  g:vals = []
290  assert_equal(0, Record(8) && Record(4) && Record(0))
291  assert_equal([8, 4, 0], g:vals)
292
293  g:vals = []
294  assert_equal(0, Record([1]) && Record('z') && Record(0))
295  assert_equal([[1], 'z', 0], g:vals)
296enddef
297
298def Test_expr3_vimscript()
299  # check line continuation
300  let lines =<< trim END
301      vim9script
302      let var = 0
303      		&& 1
304      assert_equal(0, var)
305  END
306  CheckScriptSuccess(lines)
307
308  lines =<< trim END
309      vim9script
310      let var = v:true
311      		&& v:true
312      		&& v:true
313      assert_equal(v:true, var)
314  END
315  CheckScriptSuccess(lines)
316
317  lines =<< trim END
318      vim9script
319      let var = v:true &&
320      		v:true &&
321      		v:true
322      assert_equal(v:true, var)
323  END
324  CheckScriptSuccess(lines)
325
326  # check white space
327  lines =<< trim END
328      vim9script
329      let var = v:true&&v:true
330  END
331  CheckScriptFailure(lines, 'E1004:')
332  lines =<< trim END
333      vim9script
334      let var = v:true &&v:true
335  END
336  CheckScriptFailure(lines, 'E1004:')
337  lines =<< trim END
338      vim9script
339      let var = v:true&& v:true
340  END
341  CheckScriptFailure(lines, 'E1004:')
342
343  # check keeping the value
344  lines =<< trim END
345      vim9script
346      assert_equal(0, 2 && 0)
347      assert_equal(0, 0 &&
348		    0 &&
349		    7)
350      assert_equal(7, 2
351			&& 3
352			&& 7)
353      assert_equal(0, 0 && 0)
354      assert_equal(0, 0 && '')
355      assert_equal('', 8 && '')
356
357      g:vals = []
358      assert_equal(1, Record(3) && Record(1))
359      assert_equal([3, 1], g:vals)
360
361      g:vals = []
362      assert_equal(0, Record(0) && Record(5))
363      assert_equal([0], g:vals)
364
365      g:vals = []
366      assert_equal(0, Record(0) && Record(4) && Record(0))
367      assert_equal([0], g:vals)
368
369      g:vals = []
370      assert_equal(0, Record(8) && Record(4) && Record(0))
371      assert_equal([8, 4, 0], g:vals)
372
373      g:vals = []
374      assert_equal(0, Record([1]) && Record('z') && Record(0))
375      assert_equal([[1], 'z', 0], g:vals)
376  END
377  CheckScriptSuccess(lines)
378enddef
379
380func Test_expr3_fails()
381  let msg = "white space required before and after '&&'"
382  call CheckDefFailure(["let x = 1&&2"], msg)
383  call CheckDefFailure(["let x = 1 &&2"], msg)
384  call CheckDefFailure(["let x = 1&& 2"], msg)
385endfunc
386
387let atrue = v:true
388let afalse = v:false
389let anone = v:none
390let anull = v:null
391let anint = 10
392let alsoint = 4
393if has('float')
394  let afloat = 0.1
395endif
396let astring = 'asdf'
397let ablob = 0z01ab
398let alist = [2, 3, 4]
399let adict = #{aaa: 2, bbb: 8}
400
401" test == comperator
402def Test_expr4_equal()
403  let trueVar = true
404  let falseVar = false
405  assert_equal(true, true == true)
406  assert_equal(false, true ==
407			false)
408  assert_equal(true, true
409			== trueVar)
410  assert_equal(false, true == falseVar)
411  assert_equal(true, true == g:atrue)
412  assert_equal(false, g:atrue == false)
413
414  assert_equal(true, v:none == v:none)
415  assert_equal(false, v:none == v:null)
416  assert_equal(true, g:anone == v:none)
417  assert_equal(false, v:none == g:anull)
418
419  let nr0 = 0
420  let nr61 = 61
421  assert_equal(false, 2 == 0)
422  assert_equal(false, 2 == nr0)
423  assert_equal(true, 61 == 61)
424  assert_equal(true, 61 == nr61)
425  assert_equal(true, g:anint == 10)
426  assert_equal(false, 61 == g:anint)
427
428  if has('float')
429    let ff = 0.3
430    assert_equal(true, ff == 0.3)
431    assert_equal(false, 0.4 == ff)
432    assert_equal(true, 0.1 == g:afloat)
433    assert_equal(false, g:afloat == 0.3)
434
435    ff = 3.0
436    assert_equal(true, ff == 3)
437    assert_equal(true, 3 == ff)
438    ff = 3.1
439    assert_equal(false, ff == 3)
440    assert_equal(false, 3 == ff)
441  endif
442
443  assert_equal(true, 'abc' == 'abc')
444  assert_equal(false, 'xyz' == 'abc')
445  assert_equal(true, g:astring == 'asdf')
446  assert_equal(false, 'xyz' == g:astring)
447
448  assert_equal(false, 'abc' == 'aBc')
449  assert_equal(false, 'abc' ==# 'aBc')
450  assert_equal(true, 'abc' ==? 'aBc')
451
452  assert_equal(false, 'abc' == 'ABC')
453  set ignorecase
454  assert_equal(false, 'abc' == 'ABC')
455  assert_equal(false, 'abc' ==# 'ABC')
456  set noignorecase
457
458  call CheckDefFailure(["let x = 'a' == xxx"], 'E1001:')
459
460  let bb = 0z3f
461  assert_equal(true, 0z3f == bb)
462  assert_equal(false, bb == 0z4f)
463  assert_equal(true, g:ablob == 0z01ab)
464  assert_equal(false, 0z3f == g:ablob)
465
466  assert_equal(true, [1, 2, 3] == [1, 2, 3])
467  assert_equal(false, [1, 2, 3] == [2, 3, 1])
468  assert_equal(true, [2, 3, 4] == g:alist)
469  assert_equal(false, g:alist == [2, 3, 1])
470  assert_equal(false, [1, 2, 3] == [])
471  assert_equal(false, [1, 2, 3] == ['1', '2', '3'])
472
473  assert_equal(true, #{one: 1, two: 2} == #{one: 1, two: 2})
474  assert_equal(false, #{one: 1, two: 2} == #{one: 2, two: 2})
475  assert_equal(false, #{one: 1, two: 2} == #{two: 2})
476  assert_equal(false, #{one: 1, two: 2} == #{})
477  assert_equal(true, g:adict == #{bbb: 8, aaa: 2})
478  assert_equal(false, #{ccc: 9, aaa: 2} == g:adict)
479
480  assert_equal(true, function('g:Test_expr4_equal') == function('g:Test_expr4_equal'))
481  assert_equal(false, function('g:Test_expr4_equal') == function('g:Test_expr4_is'))
482
483  assert_equal(true, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_equal', [123]))
484  assert_equal(false, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_is', [123]))
485  assert_equal(false, function('g:Test_expr4_equal', [123]) == function('g:Test_expr4_equal', [999]))
486
487  let OneFunc: func
488  let TwoFunc: func
489  OneFunc = function('len')
490  TwoFunc = function('len')
491  assert_equal(true, OneFunc('abc') == TwoFunc('123'))
492enddef
493
494" test != comperator
495def Test_expr4_notequal()
496  let trueVar = true
497  let falseVar = false
498  assert_equal(false, true != true)
499  assert_equal(true, true !=
500			false)
501  assert_equal(false, true
502  			!= trueVar)
503  assert_equal(true, true != falseVar)
504  assert_equal(false, true != g:atrue)
505  assert_equal(true, g:atrue != false)
506
507  assert_equal(false, v:none != v:none)
508  assert_equal(true, v:none != v:null)
509  assert_equal(false, g:anone != v:none)
510  assert_equal(true, v:none != g:anull)
511
512  let nr55 = 55
513  let nr0 = 55
514  assert_equal(true, 2 != 0)
515  assert_equal(true, 2 != nr0)
516  assert_equal(false, 55 != 55)
517  assert_equal(false, 55 != nr55)
518  assert_equal(false, g:anint != 10)
519  assert_equal(true, 61 != g:anint)
520
521  if has('float')
522    let ff = 0.3
523    assert_equal(false, 0.3 != ff)
524    assert_equal(true, 0.4 != ff)
525    assert_equal(false, 0.1 != g:afloat)
526    assert_equal(true, g:afloat != 0.3)
527
528    ff = 3.0
529    assert_equal(false, ff != 3)
530    assert_equal(false, 3 != ff)
531    ff = 3.1
532    assert_equal(true, ff != 3)
533    assert_equal(true, 3 != ff)
534  endif
535
536  assert_equal(false, 'abc' != 'abc')
537  assert_equal(true, 'xyz' != 'abc')
538  assert_equal(false, g:astring != 'asdf')
539  assert_equal(true, 'xyz' != g:astring)
540
541  assert_equal(true, 'abc' != 'ABC')
542  set ignorecase
543  assert_equal(true, 'abc' != 'ABC')
544  set noignorecase
545
546  let bb = 0z3f
547  assert_equal(false, 0z3f != bb)
548  assert_equal(true, bb != 0z4f)
549  assert_equal(false, g:ablob != 0z01ab)
550  assert_equal(true, 0z3f != g:ablob)
551
552  assert_equal(false, [1, 2, 3] != [1, 2, 3])
553  assert_equal(true, [1, 2, 3] != [2, 3, 1])
554  assert_equal(false, [2, 3, 4] != g:alist)
555  assert_equal(true, g:alist != [2, 3, 1])
556  assert_equal(true, [1, 2, 3] != [])
557  assert_equal(true, [1, 2, 3] != ['1', '2', '3'])
558
559  assert_equal(false, #{one: 1, two: 2} != #{one: 1, two: 2})
560  assert_equal(true, #{one: 1, two: 2} != #{one: 2, two: 2})
561  assert_equal(true, #{one: 1, two: 2} != #{two: 2})
562  assert_equal(true, #{one: 1, two: 2} != #{})
563  assert_equal(false, g:adict != #{bbb: 8, aaa: 2})
564  assert_equal(true, #{ccc: 9, aaa: 2} != g:adict)
565
566  assert_equal(false, function('g:Test_expr4_equal') != function('g:Test_expr4_equal'))
567  assert_equal(true, function('g:Test_expr4_equal') != function('g:Test_expr4_is'))
568
569  assert_equal(false, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_equal', [123]))
570  assert_equal(true, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_is', [123]))
571  assert_equal(true, function('g:Test_expr4_equal', [123]) != function('g:Test_expr4_equal', [999]))
572enddef
573
574" test > comperator
575def Test_expr4_greater()
576  assert_true(2 > 0)
577  assert_true(2 >
578		1)
579  assert_false(2 > 2)
580  assert_false(2 > 3)
581  let nr2 = 2
582  assert_true(nr2 > 0)
583  assert_true(nr2 >
584		1)
585  assert_false(nr2 > 2)
586  assert_false(nr2
587  		    > 3)
588  if has('float')
589    let ff = 2.0
590    assert_true(ff > 0.0)
591    assert_true(ff > 1.0)
592    assert_false(ff > 2.0)
593    assert_false(ff > 3.0)
594  endif
595enddef
596
597" test >= comperator
598def Test_expr4_greaterequal()
599  assert_true(2 >= 0)
600  assert_true(2 >=
601			2)
602  assert_false(2 >= 3)
603  let nr2 = 2
604  assert_true(nr2 >= 0)
605  assert_true(nr2 >= 2)
606  assert_false(nr2 >= 3)
607  if has('float')
608    let ff = 2.0
609    assert_true(ff >= 0.0)
610    assert_true(ff >= 2.0)
611    assert_false(ff >= 3.0)
612  endif
613enddef
614
615" test < comperator
616def Test_expr4_smaller()
617  assert_false(2 < 0)
618  assert_false(2 <
619			2)
620  assert_true(2
621  		< 3)
622  let nr2 = 2
623  assert_false(nr2 < 0)
624  assert_false(nr2 < 2)
625  assert_true(nr2 < 3)
626  if has('float')
627    let ff = 2.0
628    assert_false(ff < 0.0)
629    assert_false(ff < 2.0)
630    assert_true(ff < 3.0)
631  endif
632enddef
633
634" test <= comperator
635def Test_expr4_smallerequal()
636  assert_false(2 <= 0)
637  assert_false(2 <=
638			1)
639  assert_true(2
640  		<= 2)
641  assert_true(2 <= 3)
642  let nr2 = 2
643  assert_false(nr2 <= 0)
644  assert_false(nr2 <= 1)
645  assert_true(nr2 <= 2)
646  assert_true(nr2 <= 3)
647  if has('float')
648    let ff = 2.0
649    assert_false(ff <= 0.0)
650    assert_false(ff <= 1.0)
651    assert_true(ff <= 2.0)
652    assert_true(ff <= 3.0)
653  endif
654enddef
655
656" test =~ comperator
657def Test_expr4_match()
658  assert_equal(false, '2' =~ '0')
659  assert_equal(false, ''
660  			 =~ '0')
661  assert_equal(true, '2' =~
662			'[0-9]')
663enddef
664
665" test !~ comperator
666def Test_expr4_nomatch()
667  assert_equal(true, '2' !~ '0')
668  assert_equal(true, ''
669  			!~ '0')
670  assert_equal(false, '2' !~
671			'[0-9]')
672enddef
673
674" test is comperator
675def Test_expr4_is()
676  let mylist = [2]
677  assert_false(mylist is [2])
678  let other = mylist
679  assert_true(mylist is
680		other)
681
682  let myblob = 0z1234
683  assert_false(myblob
684  			is 0z1234)
685  let otherblob = myblob
686  assert_true(myblob is otherblob)
687enddef
688
689" test isnot comperator
690def Test_expr4_isnot()
691  let mylist = [2]
692  assert_true('2' isnot '0')
693  assert_true(mylist isnot [2])
694  let other = mylist
695  assert_false(mylist isnot
696			other)
697
698  let myblob = 0z1234
699  assert_true(myblob
700  		isnot 0z1234)
701  let otherblob = myblob
702  assert_false(myblob isnot otherblob)
703enddef
704
705def RetVoid()
706  let x = 1
707enddef
708
709def Test_expr4_vim9script()
710  # check line continuation
711  let lines =<< trim END
712      vim9script
713      let var = 0
714      		< 1
715      assert_equal(true, var)
716  END
717  CheckScriptSuccess(lines)
718
719  lines =<< trim END
720      vim9script
721      let var = 123
722      		!= 123
723      assert_equal(false, var)
724  END
725  CheckScriptSuccess(lines)
726
727  lines =<< trim END
728      vim9script
729      let var = 123 ==
730      			123
731      assert_equal(true, var)
732  END
733  CheckScriptSuccess(lines)
734
735  lines =<< trim END
736      vim9script
737      let list = [1, 2, 3]
738      let var = list
739      		is list
740      assert_equal(true, var)
741  END
742  CheckScriptSuccess(lines)
743
744  lines =<< trim END
745      vim9script
746      let myblob = 0z1234
747      let var = myblob
748      		isnot 0z11
749      assert_equal(true, var)
750  END
751  CheckScriptSuccess(lines)
752
753  # spot check mismatching types
754  lines =<< trim END
755      vim9script
756      echo '' == 0
757  END
758  CheckScriptFailure(lines, 'E1072:')
759
760  lines =<< trim END
761      vim9script
762      echo v:true > v:false
763  END
764  CheckScriptFailure(lines, 'Cannot compare bool with bool')
765
766  lines =<< trim END
767      vim9script
768      echo 123 is 123
769  END
770  CheckScriptFailure(lines, 'Cannot use "is" with number')
771
772  # check 'ignorecase' not being used
773  lines =<< trim END
774    vim9script
775    set ignorecase
776    assert_equal(false, 'abc' == 'ABC')
777    assert_equal(false, 'abc' ==# 'ABC')
778    assert_equal(true, 'abc' ==? 'ABC')
779
780    assert_equal(true, 'abc' != 'ABC')
781    assert_equal(true, 'abc' !=# 'ABC')
782    assert_equal(false, 'abc' !=? 'ABC')
783
784    assert_equal(false, 'abc' =~ 'ABC')
785    assert_equal(false, 'abc' =~# 'ABC')
786    assert_equal(true, 'abc' =~? 'ABC')
787    set noignorecase
788  END
789  CheckScriptSuccess(lines)
790
791  # check missing white space
792  lines =<< trim END
793    vim9script
794    echo 2>3
795  END
796  CheckScriptFailure(lines, 'E1004:')
797  lines =<< trim END
798    vim9script
799    echo 2 >3
800  END
801  CheckScriptFailure(lines, 'E1004:')
802  lines =<< trim END
803    vim9script
804    echo 2> 3
805  END
806  CheckScriptFailure(lines, 'E1004:')
807  lines =<< trim END
808    vim9script
809    echo 2!=3
810  END
811  CheckScriptFailure(lines, 'E1004:')
812  lines =<< trim END
813    vim9script
814    echo 2 !=3
815  END
816  CheckScriptFailure(lines, 'E1004:')
817  lines =<< trim END
818    vim9script
819    echo 2!= 3
820  END
821  CheckScriptFailure(lines, 'E1004:')
822
823  lines =<< trim END
824    vim9script
825    echo len('xxx') == 3
826  END
827  CheckScriptSuccess(lines)
828enddef
829
830func Test_expr4_fails()
831  let msg = "white space required before and after '>'"
832  call CheckDefFailure(["let x = 1>2"], msg)
833  call CheckDefFailure(["let x = 1 >2"], msg)
834  call CheckDefFailure(["let x = 1> 2"], msg)
835
836  let msg = "white space required before and after '=='"
837  call CheckDefFailure(["let x = 1==2"], msg)
838  call CheckDefFailure(["let x = 1 ==2"], msg)
839  call CheckDefFailure(["let x = 1== 2"], msg)
840
841  let msg = "white space required before and after 'is'"
842  call CheckDefFailure(["let x = '1'is'2'"], msg)
843  call CheckDefFailure(["let x = '1' is'2'"], msg)
844  call CheckDefFailure(["let x = '1'is '2'"], msg)
845
846  let msg = "white space required before and after 'isnot'"
847  call CheckDefFailure(["let x = '1'isnot'2'"], msg)
848  call CheckDefFailure(["let x = '1' isnot'2'"], msg)
849  call CheckDefFailure(["let x = '1'isnot '2'"], msg)
850
851  call CheckDefFailure(["let x = 1 is# 2"], 'E15:')
852  call CheckDefFailure(["let x = 1 is? 2"], 'E15:')
853  call CheckDefFailure(["let x = 1 isnot# 2"], 'E15:')
854  call CheckDefFailure(["let x = 1 isnot? 2"], 'E15:')
855
856  call CheckDefFailure(["let x = 1 == '2'"], 'Cannot compare number with string')
857  call CheckDefFailure(["let x = '1' == 2"], 'Cannot compare string with number')
858  call CheckDefFailure(["let x = 1 == RetVoid()"], 'Cannot compare number with void')
859  call CheckDefFailure(["let x = RetVoid() == 1"], 'Cannot compare void with number')
860
861  call CheckDefFailure(["let x = true > false"], 'Cannot compare bool with bool')
862  call CheckDefFailure(["let x = true >= false"], 'Cannot compare bool with bool')
863  call CheckDefFailure(["let x = true < false"], 'Cannot compare bool with bool')
864  call CheckDefFailure(["let x = true <= false"], 'Cannot compare bool with bool')
865  call CheckDefFailure(["let x = true =~ false"], 'Cannot compare bool with bool')
866  call CheckDefFailure(["let x = true !~ false"], 'Cannot compare bool with bool')
867  call CheckDefFailure(["let x = true is false"], 'Cannot use "is" with bool')
868  call CheckDefFailure(["let x = true isnot false"], 'Cannot use "isnot" with bool')
869
870  call CheckDefFailure(["let x = v:none is v:null"], 'Cannot use "is" with special')
871  call CheckDefFailure(["let x = v:none isnot v:null"], 'Cannot use "isnot" with special')
872  call CheckDefFailure(["let x = 123 is 123"], 'Cannot use "is" with number')
873  call CheckDefFailure(["let x = 123 isnot 123"], 'Cannot use "isnot" with number')
874  if has('float')
875    call CheckDefFailure(["let x = 1.3 is 1.3"], 'Cannot use "is" with float')
876    call CheckDefFailure(["let x = 1.3 isnot 1.3"], 'Cannot use "isnot" with float')
877  endif
878
879  call CheckDefFailure(["let x = 0za1 > 0z34"], 'Cannot compare blob with blob')
880  call CheckDefFailure(["let x = 0za1 >= 0z34"], 'Cannot compare blob with blob')
881  call CheckDefFailure(["let x = 0za1 < 0z34"], 'Cannot compare blob with blob')
882  call CheckDefFailure(["let x = 0za1 <= 0z34"], 'Cannot compare blob with blob')
883  call CheckDefFailure(["let x = 0za1 =~ 0z34"], 'Cannot compare blob with blob')
884  call CheckDefFailure(["let x = 0za1 !~ 0z34"], 'Cannot compare blob with blob')
885
886  call CheckDefFailure(["let x = [13] > [88]"], 'Cannot compare list with list')
887  call CheckDefFailure(["let x = [13] >= [88]"], 'Cannot compare list with list')
888  call CheckDefFailure(["let x = [13] < [88]"], 'Cannot compare list with list')
889  call CheckDefFailure(["let x = [13] <= [88]"], 'Cannot compare list with list')
890  call CheckDefFailure(["let x = [13] =~ [88]"], 'Cannot compare list with list')
891  call CheckDefFailure(["let x = [13] !~ [88]"], 'Cannot compare list with list')
892
893  call CheckDefFailure(['let j: job', 'let chan: channel', 'let r = j == chan'], 'Cannot compare job with channel')
894  call CheckDefFailure(['let j: job', 'let x: list<any>', 'let r = j == x'], 'Cannot compare job with list')
895  call CheckDefFailure(['let j: job', 'let Xx: func', 'let r = j == Xx'], 'Cannot compare job with func')
896  call CheckDefFailure(['let j: job', 'let Xx: func', 'let r = j == Xx'], 'Cannot compare job with func')
897endfunc
898
899" test addition, subtraction, concatenation
900def Test_expr5()
901  assert_equal(66, 60 + 6)
902  assert_equal(70, 60 +
903			g:anint)
904  assert_equal(9, g:alsoint
905  			+ 5)
906  assert_equal(14, g:alsoint + g:anint)
907  assert_equal([1, 2, 3, 4], [1] + g:alist)
908
909  assert_equal(54, 60 - 6)
910  assert_equal(50, 60 -
911		    g:anint)
912  assert_equal(-1, g:alsoint
913  			- 5)
914  assert_equal(-6, g:alsoint - g:anint)
915
916  assert_equal('hello', 'hel' .. 'lo')
917  assert_equal('hello 123', 'hello ' ..
918					123)
919  assert_equal('hello 123', 'hello '
920  				..  123)
921  assert_equal('123 hello', 123 .. ' hello')
922  assert_equal('123456', 123 .. 456)
923
924  assert_equal([1, 2, 3, 4], [1, 2] + [3, 4])
925  assert_equal(0z11223344, 0z1122 + 0z3344)
926  assert_equal(0z112201ab, 0z1122
927  				+ g:ablob)
928  assert_equal(0z01ab3344, g:ablob + 0z3344)
929  assert_equal(0z01ab01ab, g:ablob + g:ablob)
930enddef
931
932def Test_expr5_vim9script()
933  # check line continuation
934  let lines =<< trim END
935      vim9script
936      let var = 11
937      		+ 77
938		- 22
939      assert_equal(66, var)
940  END
941  CheckScriptSuccess(lines)
942
943  lines =<< trim END
944      vim9script
945      let var = 11 +
946		  77 -
947		  22
948      assert_equal(66, var)
949  END
950  CheckScriptSuccess(lines)
951
952  lines =<< trim END
953      vim9script
954      let var = 'one'
955      		.. 'two'
956      assert_equal('onetwo', var)
957  END
958  CheckScriptSuccess(lines)
959
960  lines =<< trim END
961      vim9script
962      echo 'abc' is# 'abc'
963  END
964  CheckScriptFailure(lines, 'E15:')
965
966  lines =<< trim END
967      vim9script
968      echo 'abc' is? 'abc'
969  END
970  CheckScriptFailure(lines, 'E15:')
971
972  lines =<< trim END
973      vim9script
974      echo 'abc' isnot# 'abc'
975  END
976  CheckScriptFailure(lines, 'E15:')
977
978  lines =<< trim END
979      vim9script
980      echo 'abc' isnot? 'abc'
981  END
982  CheckScriptFailure(lines, 'E15:')
983
984  # check white space
985  lines =<< trim END
986      vim9script
987      echo 5+6
988  END
989  CheckScriptFailure(lines, 'E1004:')
990  lines =<< trim END
991      vim9script
992      echo 5 +6
993  END
994  CheckScriptFailure(lines, 'E1004:')
995  lines =<< trim END
996      vim9script
997      echo 5+ 6
998  END
999  CheckScriptFailure(lines, 'E1004:')
1000
1001  lines =<< trim END
1002      vim9script
1003      echo 'a'..'b'
1004  END
1005  CheckScriptFailure(lines, 'E1004:')
1006  lines =<< trim END
1007      vim9script
1008      echo 'a' ..'b'
1009  END
1010  CheckScriptFailure(lines, 'E1004:')
1011  lines =<< trim END
1012      vim9script
1013      echo 'a'.. 'b'
1014  END
1015  CheckScriptFailure(lines, 'E1004:')
1016enddef
1017
1018def Test_expr5_float()
1019  if !has('float')
1020    MissingFeature 'float'
1021  else
1022    assert_equal(66.0, 60.0 + 6.0)
1023    assert_equal(66.0, 60.0 + 6)
1024    assert_equal(66.0, 60 +
1025			 6.0)
1026    assert_equal(5.1, g:afloat
1027    			+ 5)
1028    assert_equal(8.1, 8 + g:afloat)
1029    assert_equal(10.1, g:anint + g:afloat)
1030    assert_equal(10.1, g:afloat + g:anint)
1031
1032    assert_equal(54.0, 60.0 - 6.0)
1033    assert_equal(54.0, 60.0
1034    			    - 6)
1035    assert_equal(54.0, 60 - 6.0)
1036    assert_equal(-4.9, g:afloat - 5)
1037    assert_equal(7.9, 8 - g:afloat)
1038    assert_equal(9.9, g:anint - g:afloat)
1039    assert_equal(-9.9, g:afloat - g:anint)
1040  endif
1041enddef
1042
1043func Test_expr5_fails()
1044  let msg = "white space required before and after '+'"
1045  call CheckDefFailure(["let x = 1+2"], msg)
1046  call CheckDefFailure(["let x = 1 +2"], msg)
1047  call CheckDefFailure(["let x = 1+ 2"], msg)
1048
1049  let msg = "white space required before and after '-'"
1050  call CheckDefFailure(["let x = 1-2"], msg)
1051  call CheckDefFailure(["let x = 1 -2"], msg)
1052  call CheckDefFailure(["let x = 1- 2"], msg)
1053
1054  let msg = "white space required before and after '..'"
1055  call CheckDefFailure(["let x = '1'..'2'"], msg)
1056  call CheckDefFailure(["let x = '1' ..'2'"], msg)
1057  call CheckDefFailure(["let x = '1'.. '2'"], msg)
1058
1059  call CheckDefFailure(["let x = 0z1122 + 33"], 'E1051')
1060  call CheckDefFailure(["let x = 0z1122 + [3]"], 'E1051')
1061  call CheckDefFailure(["let x = 0z1122 + 'asd'"], 'E1051')
1062  call CheckDefFailure(["let x = 33 + 0z1122"], 'E1051')
1063  call CheckDefFailure(["let x = [3] + 0z1122"], 'E1051')
1064  call CheckDefFailure(["let x = 'asdf' + 0z1122"], 'E1051')
1065  call CheckDefFailure(["let x = 6 + xxx"], 'E1001')
1066endfunc
1067
1068" test multiply, divide, modulo
1069def Test_expr6()
1070  assert_equal(36, 6 * 6)
1071  assert_equal(24, 6 *
1072			g:alsoint)
1073  assert_equal(24, g:alsoint
1074  			* 6)
1075  assert_equal(40, g:anint * g:alsoint)
1076
1077  assert_equal(10, 60 / 6)
1078  assert_equal(6, 60 /
1079			g:anint)
1080  assert_equal(1, g:anint / 6)
1081  assert_equal(2, g:anint
1082  			/ g:alsoint)
1083
1084  assert_equal(5, 11 % 6)
1085  assert_equal(4, g:anint % 6)
1086  assert_equal(3, 13 %
1087			g:anint)
1088  assert_equal(2, g:anint
1089  			% g:alsoint)
1090
1091  assert_equal(4, 6 * 4 / 6)
1092
1093  let x = [2]
1094  let y = [3]
1095  assert_equal(5, x[0] + y[0])
1096  assert_equal(6, x[0] * y[0])
1097  if has('float')
1098    let xf = [2.0]
1099    let yf = [3.0]
1100    assert_equal(5.0, xf[0]
1101    			+ yf[0])
1102    assert_equal(6.0, xf[0]
1103    			* yf[0])
1104  endif
1105
1106  call CheckDefFailure(["let x = 6 * xxx"], 'E1001')
1107enddef
1108
1109def Test_expr6_vim9script()
1110  # check line continuation
1111  let lines =<< trim END
1112      vim9script
1113      let var = 11
1114      		* 22
1115		/ 3
1116      assert_equal(80, var)
1117  END
1118  CheckScriptSuccess(lines)
1119
1120  lines =<< trim END
1121      vim9script
1122      let var = 25
1123      		% 10
1124      assert_equal(5, var)
1125  END
1126  CheckScriptSuccess(lines)
1127
1128  lines =<< trim END
1129      vim9script
1130      let var = 11 *
1131      		22 /
1132		3
1133      assert_equal(80, var)
1134  END
1135  CheckScriptSuccess(lines)
1136
1137  # check white space
1138  lines =<< trim END
1139      vim9script
1140      echo 5*6
1141  END
1142  CheckScriptFailure(lines, 'E1004:')
1143  lines =<< trim END
1144      vim9script
1145      echo 5 *6
1146  END
1147  CheckScriptFailure(lines, 'E1004:')
1148  lines =<< trim END
1149      vim9script
1150      echo 5* 6
1151  END
1152  CheckScriptFailure(lines, 'E1004:')
1153enddef
1154
1155def Test_expr6_float()
1156  if !has('float')
1157    MissingFeature 'float'
1158  else
1159    assert_equal(36.0, 6.0 * 6)
1160    assert_equal(36.0, 6 *
1161			   6.0)
1162    assert_equal(36.0, 6.0 * 6.0)
1163    assert_equal(1.0, g:afloat * g:anint)
1164
1165    assert_equal(10.0, 60 / 6.0)
1166    assert_equal(10.0, 60.0 /
1167			6)
1168    assert_equal(10.0, 60.0 / 6.0)
1169    assert_equal(0.01, g:afloat / g:anint)
1170
1171    assert_equal(4.0, 6.0 * 4 / 6)
1172    assert_equal(4.0, 6 *
1173			4.0 /
1174			6)
1175    assert_equal(4.0, 6 * 4 / 6.0)
1176    assert_equal(4.0, 6.0 * 4.0 / 6)
1177    assert_equal(4.0, 6 * 4.0 / 6.0)
1178    assert_equal(4.0, 6.0 * 4 / 6.0)
1179    assert_equal(4.0, 6.0 * 4.0 / 6.0)
1180
1181    assert_equal(4.0, 6.0 * 4.0 / 6.0)
1182  endif
1183enddef
1184
1185func Test_expr6_fails()
1186  let msg = "white space required before and after '*'"
1187  call CheckDefFailure(["let x = 1*2"], msg)
1188  call CheckDefFailure(["let x = 1 *2"], msg)
1189  call CheckDefFailure(["let x = 1* 2"], msg)
1190
1191  let msg = "white space required before and after '/'"
1192  call CheckDefFailure(["let x = 1/2"], msg)
1193  call CheckDefFailure(["let x = 1 /2"], msg)
1194  call CheckDefFailure(["let x = 1/ 2"], msg)
1195
1196  let msg = "white space required before and after '%'"
1197  call CheckDefFailure(["let x = 1%2"], msg)
1198  call CheckDefFailure(["let x = 1 %2"], msg)
1199  call CheckDefFailure(["let x = 1% 2"], msg)
1200
1201  call CheckDefFailure(["let x = '1' * '2'"], 'E1036:')
1202  call CheckDefFailure(["let x = '1' / '2'"], 'E1036:')
1203  call CheckDefFailure(["let x = '1' % '2'"], 'E1035:')
1204
1205  call CheckDefFailure(["let x = 0z01 * 0z12"], 'E1036:')
1206  call CheckDefFailure(["let x = 0z01 / 0z12"], 'E1036:')
1207  call CheckDefFailure(["let x = 0z01 % 0z12"], 'E1035:')
1208
1209  call CheckDefFailure(["let x = [1] * [2]"], 'E1036:')
1210  call CheckDefFailure(["let x = [1] / [2]"], 'E1036:')
1211  call CheckDefFailure(["let x = [1] % [2]"], 'E1035:')
1212
1213  call CheckDefFailure(["let x = #{one: 1} * #{two: 2}"], 'E1036:')
1214  call CheckDefFailure(["let x = #{one: 1} / #{two: 2}"], 'E1036:')
1215  call CheckDefFailure(["let x = #{one: 1} % #{two: 2}"], 'E1035:')
1216
1217  call CheckDefFailure(["let x = 0xff[1]"], 'E1090:')
1218  if has('float')
1219    call CheckDefFailure(["let x = 0.7[1]"], 'E1090:')
1220  endif
1221endfunc
1222
1223func Test_expr6_float_fails()
1224  CheckFeature float
1225  call CheckDefFailure(["let x = 1.0 % 2"], 'E1035:')
1226endfunc
1227
1228" define here to use old style parsing
1229if has('float')
1230  let g:float_zero = 0.0
1231  let g:float_neg = -9.8
1232  let g:float_big = 9.9e99
1233endif
1234let g:blob_empty = 0z
1235let g:blob_one = 0z01
1236let g:blob_long = 0z0102.0304
1237
1238let g:string_empty = ''
1239let g:string_short = 'x'
1240let g:string_long = 'abcdefghijklm'
1241let g:string_special = "ab\ncd\ref\ekk"
1242
1243let g:special_true = v:true
1244let g:special_false = v:false
1245let g:special_null = v:null
1246let g:special_none = v:none
1247
1248let g:list_empty = []
1249let g:list_mixed = [1, 'b', v:false]
1250
1251let g:dict_empty = {}
1252let g:dict_one = #{one: 1}
1253
1254let $TESTVAR = 'testvar'
1255
1256" type casts
1257def Test_expr7t()
1258  let ls: list<string> = ['a', <string>g:string_empty]
1259  let ln: list<number> = [<number>g:anint, <number>g:alsoint]
1260enddef
1261
1262" test low level expression
1263def Test_expr7_number()
1264  # number constant
1265  assert_equal(0, 0)
1266  assert_equal(654, 0654)
1267
1268  assert_equal(6, 0x6)
1269  assert_equal(15, 0xf)
1270  assert_equal(255, 0xff)
1271enddef
1272
1273def Test_expr7_float()
1274  # float constant
1275  if !has('float')
1276    MissingFeature 'float'
1277  else
1278    assert_equal(g:float_zero, .0)
1279    assert_equal(g:float_zero, 0.0)
1280    assert_equal(g:float_neg, -9.8)
1281    assert_equal(g:float_big, 9.9e99)
1282  endif
1283enddef
1284
1285def Test_expr7_blob()
1286  # blob constant
1287  assert_equal(g:blob_empty, 0z)
1288  assert_equal(g:blob_one, 0z01)
1289  assert_equal(g:blob_long, 0z0102.0304)
1290
1291  call CheckDefFailure(["let x = 0z123"], 'E973:')
1292enddef
1293
1294def Test_expr7_string()
1295  # string constant
1296  assert_equal(g:string_empty, '')
1297  assert_equal(g:string_empty, "")
1298  assert_equal(g:string_short, 'x')
1299  assert_equal(g:string_short, "x")
1300  assert_equal(g:string_long, 'abcdefghijklm')
1301  assert_equal(g:string_long, "abcdefghijklm")
1302  assert_equal(g:string_special, "ab\ncd\ref\ekk")
1303
1304  call CheckDefFailure(['let x = "abc'], 'E114:')
1305  call CheckDefFailure(["let x = 'abc"], 'E115:')
1306enddef
1307
1308def Test_expr7_vimvar()
1309  let old: list<string> = v:oldfiles
1310  let compl: dict<any> = v:completed_item
1311
1312  call CheckDefFailure(["let old: list<number> = v:oldfiles"], 'E1013: type mismatch, expected list<number> but got list<string>')
1313  call CheckDefFailure(["let old: dict<number> = v:completed_item"], 'E1013: type mismatch, expected dict<number> but got dict<any>')
1314enddef
1315
1316def Test_expr7_special()
1317  # special constant
1318  assert_equal(g:special_true, true)
1319  assert_equal(g:special_false, false)
1320  assert_equal(g:special_true, v:true)
1321  assert_equal(g:special_false, v:false)
1322
1323  assert_equal(true, !false)
1324  assert_equal(false, !true)
1325  assert_equal(true, !0)
1326  assert_equal(false, !1)
1327  assert_equal(false, !!false)
1328  assert_equal(true, !!true)
1329  assert_equal(false, !!0)
1330  assert_equal(true, !!1)
1331
1332  assert_equal(g:special_null, v:null)
1333  assert_equal(g:special_none, v:none)
1334
1335  call CheckDefFailure(['v:true = true'], 'E46:')
1336  call CheckDefFailure(['v:true = false'], 'E46:')
1337  call CheckDefFailure(['v:false = true'], 'E46:')
1338  call CheckDefFailure(['v:null = 11'], 'E46:')
1339  call CheckDefFailure(['v:none = 22'], 'E46:')
1340enddef
1341
1342def Test_expr7_special_vim9script()
1343  let lines =<< trim END
1344      vim9script
1345      let t = true
1346      let f = false
1347      assert_equal(v:true, true)
1348      assert_equal(true, t)
1349      assert_equal(v:false, false)
1350      assert_equal(false, f)
1351      assert_equal(true, !false)
1352      assert_equal(false, !true)
1353      assert_equal(true, !0)
1354      assert_equal(false, !1)
1355      assert_equal(false, !!false)
1356      assert_equal(true, !!true)
1357      assert_equal(false, !!0)
1358      assert_equal(true, !!1)
1359  END
1360  CheckScriptSuccess(lines)
1361enddef
1362
1363def Test_expr7_list()
1364  # list
1365  assert_equal(g:list_empty, [])
1366  assert_equal(g:list_empty, [  ])
1367
1368  let numbers: list<number> = [1, 2, 3]
1369  numbers = [1]
1370  numbers = []
1371
1372  let strings: list<string> = ['a', 'b', 'c']
1373  strings = ['x']
1374  strings = []
1375
1376  let mixed: list<any> = [1, 'b', false,]
1377  assert_equal(g:list_mixed, mixed)
1378  assert_equal('b', g:list_mixed[1])
1379
1380  echo [1,
1381  	2] [3,
1382		4]
1383
1384  call CheckDefExecFailure(["let x = g:anint[3]"], 'E714:')
1385  call CheckDefFailure(["let x = g:list_mixed[xxx]"], 'E1001:')
1386  call CheckDefFailure(["let x = [1,2,3]"], 'E1069:')
1387  call CheckDefExecFailure(["let x = g:list_mixed['xx']"], 'E1029:')
1388  call CheckDefFailure(["let x = g:list_mixed["], 'E1097:')
1389  call CheckDefFailure(["let x = g:list_mixed[0"], 'E1097:')
1390  call CheckDefExecFailure(["let x = g:list_empty[3]"], 'E684:')
1391  call CheckDefFailure(["let l: list<number> = [234, 'x']"], 'E1013:')
1392  call CheckDefFailure(["let l: list<number> = ['x', 234]"], 'E1013:')
1393  call CheckDefFailure(["let l: list<string> = [234, 'x']"], 'E1013:')
1394  call CheckDefFailure(["let l: list<string> = ['x', 123]"], 'E1013:')
1395enddef
1396
1397def Test_expr7_list_vim9script()
1398  let lines =<< trim END
1399      vim9script
1400      let l = [
1401		11,
1402		22,
1403		]
1404      assert_equal([11, 22], l)
1405
1406      echo [1,
1407	    2] [3,
1408		    4]
1409  END
1410  CheckScriptSuccess(lines)
1411
1412  lines =<< trim END
1413      vim9script
1414      let l = [11,
1415		22]
1416      assert_equal([11, 22], l)
1417  END
1418  CheckScriptSuccess(lines)
1419
1420  lines =<< trim END
1421      vim9script
1422      let l = [11,22]
1423  END
1424  CheckScriptFailure(lines, 'E1069:')
1425enddef
1426
1427def Test_expr7_lambda()
1428  let La = { -> 'result'}
1429  assert_equal('result', La())
1430  assert_equal([1, 3, 5], [1, 2, 3]->map({key, val -> key + val}))
1431
1432  # line continuation inside lambda with "cond ? expr : expr" works
1433  let ll = range(3)
1434  map(ll, {k, v -> v % 2 ? {
1435	    '111': 111 } : {}
1436	})
1437  assert_equal([{}, {'111': 111}, {}], ll)
1438
1439  ll = range(3)
1440  map(ll, {k, v -> v == 8 || v
1441		== 9
1442		|| v % 2 ? 111 : 222
1443	})
1444  assert_equal([222, 111, 222], ll)
1445
1446  ll = range(3)
1447  map(ll, {k, v -> v != 8 && v
1448		!= 9
1449		&& v % 2 == 0 ? 111 : 222
1450	})
1451  assert_equal([111, 222, 111], ll)
1452
1453  let dl = [{'key': 0}, {'key': 22}]->filter({ _, v -> v['key'] })
1454  assert_equal([{'key': 22}], dl)
1455
1456  dl = [{'key': 12}, {'foo': 34}]
1457  assert_equal([{'key': 12}], filter(dl,
1458	{_, v -> has_key(v, 'key') ? v['key'] == 12 : 0}))
1459
1460  call CheckDefFailure(["filter([1, 2], {k,v -> 1})"], 'E1069:')
1461enddef
1462
1463def Test_expr7_lambda_vim9script()
1464  let lines =<< trim END
1465      vim9script
1466      let v = 10->{a ->
1467	    a
1468	      + 2
1469	  }()
1470      assert_equal(12, v)
1471  END
1472  CheckScriptSuccess(lines)
1473enddef
1474
1475def Test_expr7_dict()
1476  # dictionary
1477  assert_equal(g:dict_empty, {})
1478  assert_equal(g:dict_empty, {  })
1479  assert_equal(g:dict_one, {'one': 1})
1480  let key = 'one'
1481  let val = 1
1482  assert_equal(g:dict_one, {key: val})
1483
1484  let numbers: dict<number> = #{a: 1, b: 2, c: 3}
1485  numbers = #{a: 1}
1486  numbers = #{}
1487
1488  let strings: dict<string> = #{a: 'a', b: 'b', c: 'c'}
1489  strings = #{a: 'x'}
1490  strings = #{}
1491
1492  let mixed: dict<any> = #{a: 'a', b: 42}
1493  mixed = #{a: 'x'}
1494  mixed = #{a: 234}
1495  mixed = #{}
1496
1497  call CheckDefFailure(["let x = #{8: 8}"], 'E1014:')
1498  call CheckDefFailure(["let x = #{xxx}"], 'E720:')
1499  call CheckDefFailure(["let x = #{xxx: 1", "let y = 2"], 'E722:')
1500  call CheckDefFailure(["let x = #{xxx: 1,"], 'E723:')
1501  call CheckDefFailure(["let x = {'a': xxx}"], 'E1001:')
1502  call CheckDefFailure(["let x = {xxx: 8}"], 'E1001:')
1503  call CheckDefFailure(["let x = #{a: 1, a: 2}"], 'E721:')
1504  call CheckDefFailure(["let x = #"], 'E1015:')
1505  call CheckDefFailure(["let x += 1"], 'E1020:')
1506  call CheckDefFailure(["let x = x + 1"], 'E1001:')
1507  call CheckDefExecFailure(["let x = g:anint.member"], 'E715:')
1508  call CheckDefExecFailure(["let x = g:dict_empty.member"], 'E716:')
1509
1510  call CheckDefFailure(['let x: dict<number> = #{a: 234, b: "1"}'], 'E1013:')
1511  call CheckDefFailure(['let x: dict<number> = #{a: "x", b: 134}'], 'E1013:')
1512  call CheckDefFailure(['let x: dict<string> = #{a: 234, b: "1"}'], 'E1013:')
1513  call CheckDefFailure(['let x: dict<string> = #{a: "x", b: 134}'], 'E1013:')
1514enddef
1515
1516def Test_expr7_dict_vim9script()
1517  let lines =<< trim END
1518      vim9script
1519      let d = {
1520		'one':
1521		   1,
1522		'two': 2,
1523		   }
1524      assert_equal({'one': 1, 'two': 2}, d)
1525  END
1526  CheckScriptSuccess(lines)
1527
1528  lines =<< trim END
1529      vim9script
1530      let d = { "one": "one", "two": "two", }
1531      assert_equal({'one': 'one', 'two': 'two'}, d)
1532  END
1533  CheckScriptSuccess(lines)
1534
1535  lines =<< trim END
1536      vim9script
1537      let d = #{one: 1,
1538		two: 2,
1539	       }
1540      assert_equal({'one': 1, 'two': 2}, d)
1541  END
1542  CheckScriptSuccess(lines)
1543
1544  lines =<< trim END
1545      vim9script
1546      let d = #{one:1, two: 2}
1547  END
1548  CheckScriptFailure(lines, 'E1069:')
1549
1550  lines =<< trim END
1551      vim9script
1552      let d = #{one: 1,two: 2}
1553  END
1554  CheckScriptFailure(lines, 'E1069:')
1555enddef
1556
1557let g:oneString = 'one'
1558
1559def Test_expr_member()
1560  assert_equal(1, g:dict_one.one)
1561  let d: dict<number> = g:dict_one
1562  assert_equal(1, d['one'])
1563  assert_equal(1, d[
1564		  'one'
1565		  ])
1566  assert_equal(1, d
1567  	.one)
1568  d = {'1': 1, '_': 2}
1569  assert_equal(1, d
1570  	.1)
1571  assert_equal(2, d
1572  	._)
1573
1574  # getting the one member should clear the dict after getting the item
1575  assert_equal('one', #{one: 'one'}.one)
1576  assert_equal('one', #{one: 'one'}[g:oneString])
1577
1578  call CheckDefFailure(["let x = g:dict_one.#$!"], 'E1002:')
1579  call CheckDefExecFailure(["let d: dict<any>", "echo d['a']"], 'E716:')
1580  call CheckDefExecFailure(["let d: dict<number>", "d = g:list_empty"], 'E1029: Expected dict but got list')
1581enddef
1582
1583def Test_expr_index()
1584  # getting the one member should clear the list only after getting the item
1585  assert_equal('bbb', ['aaa', 'bbb', 'ccc'][1])
1586enddef
1587
1588def Test_expr_member_vim9script()
1589  let lines =<< trim END
1590      vim9script
1591      let d = #{one:
1592      		'one',
1593		two: 'two',
1594		1: 1,
1595		_: 2}
1596      assert_equal('one', d.one)
1597      assert_equal('one', d
1598                            .one)
1599      assert_equal(1, d
1600                            .1)
1601      assert_equal(2, d
1602                            ._)
1603      assert_equal('one', d[
1604			    'one'
1605			    ])
1606  END
1607  CheckScriptSuccess(lines)
1608
1609  lines =<< trim END
1610      vim9script
1611      let l = [1,
1612		  2,
1613		  3, 4
1614		  ]
1615      assert_equal(2, l[
1616			    1
1617			    ])
1618      assert_equal([2, 3], l[1 : 2])
1619      assert_equal([1, 2, 3], l[
1620				:
1621				2
1622				])
1623      assert_equal([3, 4], l[
1624				2
1625				:
1626				])
1627  END
1628  CheckScriptSuccess(lines)
1629enddef
1630
1631def Test_expr7_option()
1632  # option
1633  set ts=11
1634  assert_equal(11, &ts)
1635  &ts = 9
1636  assert_equal(9, &ts)
1637  set ts=8
1638  set grepprg=some\ text
1639  assert_equal('some text', &grepprg)
1640  &grepprg = test_null_string()
1641  assert_equal('', &grepprg)
1642  set grepprg&
1643enddef
1644
1645def Test_expr7_environment()
1646  # environment variable
1647  assert_equal('testvar', $TESTVAR)
1648  assert_equal('', $ASDF_ASD_XXX)
1649
1650  call CheckDefFailure(["let x = $$$"], 'E1002:')
1651enddef
1652
1653def Test_expr7_register()
1654  @a = 'register a'
1655  assert_equal('register a', @a)
1656
1657  let fname = expand('%')
1658  assert_equal(fname, @%)
1659
1660  feedkeys(":echo 'some'\<CR>", "xt")
1661  assert_equal("echo 'some'", @:)
1662
1663  normal axyz
1664  assert_equal("xyz", @.)
1665  call CheckDefFailure(["@. = 'yes'"], 'E354:')
1666
1667  @/ = 'slash'
1668  assert_equal('slash', @/)
1669
1670  @= = 'equal'
1671  assert_equal('equal', @=)
1672enddef
1673
1674def Test_expr7_namespace()
1675  g:some_var = 'some'
1676  assert_equal('some', get(g:, 'some_var'))
1677  assert_equal('some', get(g:, 'some_var', 'xxx'))
1678  assert_equal('xxx', get(g:, 'no_var', 'xxx'))
1679  unlet g:some_var
1680
1681  b:some_var = 'some'
1682  assert_equal('some', get(b:, 'some_var'))
1683  assert_equal('some', get(b:, 'some_var', 'xxx'))
1684  assert_equal('xxx', get(b:, 'no_var', 'xxx'))
1685  unlet b:some_var
1686
1687  w:some_var = 'some'
1688  assert_equal('some', get(w:, 'some_var'))
1689  assert_equal('some', get(w:, 'some_var', 'xxx'))
1690  assert_equal('xxx', get(w:, 'no_var', 'xxx'))
1691  unlet w:some_var
1692
1693  t:some_var = 'some'
1694  assert_equal('some', get(t:, 'some_var'))
1695  assert_equal('some', get(t:, 'some_var', 'xxx'))
1696  assert_equal('xxx', get(t:, 'no_var', 'xxx'))
1697  unlet t:some_var
1698enddef
1699
1700def Test_expr7_parens()
1701  # (expr)
1702  assert_equal(4, (6 * 4) / 6)
1703  assert_equal(0, 6 * ( 4 / 6 ))
1704
1705  assert_equal(6, +6)
1706  assert_equal(-6, -6)
1707  assert_equal(6, --6)
1708  assert_equal(6, -+-6)
1709  assert_equal(-6, ---6)
1710  assert_equal(false, !-3)
1711  assert_equal(true, !+-+0)
1712enddef
1713
1714def Test_expr7_parens_vim9script()
1715  let lines =<< trim END
1716      vim9script
1717      let s = (
1718		'one'
1719		..
1720		'two'
1721		)
1722      assert_equal('onetwo', s)
1723  END
1724  CheckScriptSuccess(lines)
1725enddef
1726
1727def Test_expr7_negate()
1728  assert_equal(-99, -99)
1729  assert_equal(99, --99)
1730  let nr = 88
1731  assert_equal(-88, -nr)
1732  assert_equal(88, --nr)
1733enddef
1734
1735def Echo(arg: any): string
1736  return arg
1737enddef
1738
1739def s:Echo4Arg(arg: any): string
1740  return arg
1741enddef
1742
1743def Test_expr7_call()
1744  assert_equal('yes', 'yes'->Echo())
1745  assert_equal('yes', 'yes'
1746  			->s:Echo4Arg())
1747  assert_equal(true, !range(5)->empty())
1748  assert_equal([0, 1, 2], --3->range())
1749
1750  call CheckDefFailure(["let x = 'yes'->Echo"], 'E107:')
1751  call CheckScriptFailure([
1752	"vim9script",
1753	"let x = substitute ('x', 'x', 'x', 'x')"
1754	], 'E121:')
1755enddef
1756
1757
1758def Test_expr7_not()
1759  let lines =<< trim END
1760      assert_equal(true, !'')
1761      assert_equal(true, ![])
1762      assert_equal(false, !'asdf')
1763      assert_equal(false, ![2])
1764      assert_equal(true, !!'asdf')
1765      assert_equal(true, !![2])
1766
1767      assert_equal(true, !test_null_partial())
1768      assert_equal(false, !{-> 'yes'})
1769
1770      assert_equal(true, !test_null_dict())
1771      assert_equal(true, !{})
1772      assert_equal(false, !{'yes': 'no'})
1773
1774      if has('channel')
1775	assert_equal(true, !test_null_job())
1776	assert_equal(true, !test_null_channel())
1777      endif
1778
1779      assert_equal(true, !test_null_blob())
1780      assert_equal(true, !0z)
1781      assert_equal(false, !0z01)
1782
1783      assert_equal(true, !test_void())
1784      assert_equal(true, !test_unknown())
1785
1786      assert_equal(false, ![1, 2, 3]->reverse())
1787      assert_equal(true, ![]->reverse())
1788  END
1789  CheckDefSuccess(lines)
1790  CheckScriptSuccess(['vim9script'] + lines)
1791enddef
1792
1793func Test_expr7_fails()
1794  call CheckDefFailure(["let x = (12"], "E110:")
1795
1796  call CheckDefFailure(["let x = -'xx'"], "E1030:")
1797  call CheckDefFailure(["let x = +'xx'"], "E1030:")
1798  call CheckDefFailure(["let x = -0z12"], "E974:")
1799  call CheckDefExecFailure(["let x = -[8]"], "E39:")
1800  call CheckDefExecFailure(["let x = -{'a': 1}"], "E39:")
1801
1802  call CheckDefFailure(["let x = @"], "E1002:")
1803  call CheckDefFailure(["let x = @<"], "E354:")
1804
1805  call CheckDefFailure(["let x = [1, 2"], "E697:")
1806  call CheckDefFailure(["let x = [notfound]"], "E1001:")
1807
1808  call CheckDefFailure(["let x = { -> 123) }"], "E451:")
1809  call CheckDefFailure(["let x = 123->{x -> x + 5) }"], "E451:")
1810
1811  call CheckDefFailure(["let x = &notexist"], 'E113:')
1812  call CheckDefFailure(["&grepprg = [343]"], 'E1013:')
1813
1814  call CheckDefExecFailure(["echo s:doesnt_exist"], 'E121:')
1815  call CheckDefExecFailure(["echo g:doesnt_exist"], 'E121:')
1816
1817  call CheckDefFailure(["echo a:somevar"], 'E1075:')
1818  call CheckDefFailure(["echo l:somevar"], 'E1075:')
1819  call CheckDefFailure(["echo x:somevar"], 'E1075:')
1820
1821  call CheckDefExecFailure(["let x = +g:astring"], 'E1030:')
1822  call CheckDefExecFailure(["let x = +g:ablob"], 'E974:')
1823  call CheckDefExecFailure(["let x = +g:alist"], 'E745:')
1824  call CheckDefExecFailure(["let x = +g:adict"], 'E728:')
1825
1826  call CheckDefFailure(["let x = ''", "let y = x.memb"], 'E715:')
1827
1828  call CheckDefFailure(["'yes'->", "Echo()"], 'E488: Trailing characters: ->')
1829
1830  call CheckDefExecFailure(["[1, 2->len()"], 'E697:')
1831  call CheckDefExecFailure(["#{a: 1->len()"], 'E488:')
1832  call CheckDefExecFailure(["{'a': 1->len()"], 'E723:')
1833endfunc
1834
1835let g:Funcrefs = [function('add')]
1836
1837func CallMe(arg)
1838  return a:arg
1839endfunc
1840
1841func CallMe2(one, two)
1842  return a:one .. a:two
1843endfunc
1844
1845def Test_expr7_trailing()
1846  # user function call
1847  assert_equal(123, g:CallMe(123))
1848  assert_equal(123, g:CallMe(  123))
1849  assert_equal(123, g:CallMe(123  ))
1850  assert_equal('yesno', g:CallMe2('yes', 'no'))
1851  assert_equal('yesno', g:CallMe2( 'yes', 'no' ))
1852  assert_equal('nothing', g:CallMe('nothing'))
1853
1854  # partial call
1855  let Part = function('g:CallMe')
1856  assert_equal('yes', Part('yes'))
1857
1858  # funcref call, using list index
1859  let l = []
1860  g:Funcrefs[0](l, 2)
1861  assert_equal([2], l)
1862
1863  # method call
1864  l = [2, 5, 6]
1865  l->map({k, v -> k + v})
1866  assert_equal([2, 6, 8], l)
1867
1868  # lambda method call
1869  l = [2, 5]
1870  l->{l -> add(l, 8)}()
1871  assert_equal([2, 5, 8], l)
1872
1873  # dict member
1874  let d = #{key: 123}
1875  assert_equal(123, d.key)
1876enddef
1877
1878def Test_expr7_subscript()
1879  let text = 'abcdef'
1880  assert_equal('', text[-1])
1881  assert_equal('a', text[0])
1882  assert_equal('e', text[4])
1883  assert_equal('f', text[5])
1884  assert_equal('', text[6])
1885enddef
1886
1887def Test_expr7_subscript_linebreak()
1888  let range = range(
1889  		3)
1890  let l = range
1891	->map('string(v:key)')
1892  assert_equal(['0', '1', '2'], l)
1893
1894  l = range
1895  	->map('string(v:key)')
1896  assert_equal(['0', '1', '2'], l)
1897
1898  l = range # comment
1899  	->map('string(v:key)')
1900  assert_equal(['0', '1', '2'], l)
1901
1902  l = range
1903
1904  	->map('string(v:key)')
1905  assert_equal(['0', '1', '2'], l)
1906
1907  l = range
1908	# comment
1909  	->map('string(v:key)')
1910  assert_equal(['0', '1', '2'], l)
1911
1912  assert_equal('1', l[
1913	1])
1914
1915  let d = #{one: 33}
1916  assert_equal(33, d.
1917	one)
1918enddef
1919
1920def Test_expr7_method_call()
1921  new
1922  setline(1, ['first', 'last'])
1923  'second'->append(1)
1924  "third"->append(2)
1925  assert_equal(['first', 'second', 'third', 'last'], getline(1, '$'))
1926  bwipe!
1927
1928  let bufnr = bufnr()
1929  let loclist = [#{bufnr: bufnr, lnum: 42, col: 17, text: 'wrong'}]
1930  loclist->setloclist(0)
1931  assert_equal([#{bufnr: bufnr,
1932  		lnum: 42,
1933		col: 17,
1934		text: 'wrong',
1935		pattern: '',
1936		valid: 1,
1937		vcol: 0,
1938		nr: 0,
1939		type: '',
1940		module: ''}
1941		], getloclist(0))
1942enddef
1943
1944func Test_expr7_trailing_fails()
1945  call CheckDefFailure(['let l = [2]', 'l->{l -> add(l, 8)}'], 'E107')
1946  call CheckDefFailure(['let l = [2]', 'l->{l -> add(l, 8)} ()'], 'E274')
1947endfunc
1948
1949func Test_expr_fails()
1950  call CheckDefFailure(["let x = '1'is2"], 'E488:')
1951  call CheckDefFailure(["let x = '1'isnot2"], 'E488:')
1952
1953  call CheckDefFailure(["CallMe ('yes')"], 'E476:')
1954  call CheckDefFailure(["CallMe2('yes','no')"], 'E1069:')
1955  call CheckDefFailure(["CallMe2('yes' , 'no')"], 'E1068:')
1956
1957  call CheckDefFailure(["v:nosuch += 3"], 'E1001:')
1958  call CheckDefFailure(["let v:statusmsg = ''"], 'E1016: Cannot declare a v: variable:')
1959  call CheckDefFailure(["let asdf = v:nosuch"], 'E1001:')
1960
1961  call CheckDefFailure(["echo len('asdf'"], 'E110:')
1962  call CheckDefFailure(["echo Func0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789()"], 'E1011:')
1963  call CheckDefFailure(["echo doesnotexist()"], 'E117:')
1964endfunc
1965