1" Test various aspects of the Vim9 script language.
2
3source check.vim
4source term_util.vim
5source view_util.vim
6source vim9.vim
7source shared.vim
8source screendump.vim
9
10def Test_range_only()
11  new
12  setline(1, ['blah', 'Blah'])
13  :/Blah/
14  assert_equal(2, getcurpos()[1])
15  bwipe!
16
17  # without range commands use current line
18  new
19  setline(1, ['one', 'two', 'three'])
20  :2
21  print
22  assert_equal('two', Screenline(&lines))
23  :3
24  list
25  assert_equal('three$', Screenline(&lines))
26
27  # missing command does not print the line
28  var lines =<< trim END
29    vim9script
30    :1|
31    assert_equal('three$', Screenline(&lines))
32    :|
33    assert_equal('three$', Screenline(&lines))
34  END
35  CheckScriptSuccess(lines)
36
37  bwipe!
38
39  # won't generate anything
40  if false
41    :123
42  endif
43enddef
44
45let g:alist = [7]
46let g:astring = 'text'
47let g:anumber = 123
48
49def Test_delfunction()
50  # Check function is defined in script namespace
51  CheckScriptSuccess([
52      'vim9script',
53      'func CheckMe()',
54      '  return 123',
55      'endfunc',
56      'assert_equal(123, s:CheckMe())',
57      ])
58
59  # Check function in script namespace cannot be deleted
60  CheckScriptFailure([
61      'vim9script',
62      'func DeleteMe1()',
63      'endfunc',
64      'delfunction DeleteMe1',
65      ], 'E1084:')
66  CheckScriptFailure([
67      'vim9script',
68      'func DeleteMe2()',
69      'endfunc',
70      'def DoThat()',
71      '  delfunction DeleteMe2',
72      'enddef',
73      'DoThat()',
74      ], 'E1084:')
75  CheckScriptFailure([
76      'vim9script',
77      'def DeleteMe3()',
78      'enddef',
79      'delfunction DeleteMe3',
80      ], 'E1084:')
81  CheckScriptFailure([
82      'vim9script',
83      'def DeleteMe4()',
84      'enddef',
85      'def DoThat()',
86      '  delfunction DeleteMe4',
87      'enddef',
88      'DoThat()',
89      ], 'E1084:')
90
91  # Check that global :def function can be replaced and deleted
92  var lines =<< trim END
93      vim9script
94      def g:Global(): string
95        return "yes"
96      enddef
97      assert_equal("yes", g:Global())
98      def! g:Global(): string
99        return "no"
100      enddef
101      assert_equal("no", g:Global())
102      delfunc g:Global
103      assert_false(exists('*g:Global'))
104  END
105  CheckScriptSuccess(lines)
106
107  # Check that global function can be replaced by a :def function and deleted
108  lines =<< trim END
109      vim9script
110      func g:Global()
111        return "yes"
112      endfunc
113      assert_equal("yes", g:Global())
114      def! g:Global(): string
115        return "no"
116      enddef
117      assert_equal("no", g:Global())
118      delfunc g:Global
119      assert_false(exists('*g:Global'))
120  END
121  CheckScriptSuccess(lines)
122
123  # Check that global :def function can be replaced by a function and deleted
124  lines =<< trim END
125      vim9script
126      def g:Global(): string
127        return "yes"
128      enddef
129      assert_equal("yes", g:Global())
130      func! g:Global()
131        return "no"
132      endfunc
133      assert_equal("no", g:Global())
134      delfunc g:Global
135      assert_false(exists('*g:Global'))
136  END
137  CheckScriptSuccess(lines)
138enddef
139
140def Test_wrong_type()
141  CheckDefFailure(['var name: list<nothing>'], 'E1010:')
142  CheckDefFailure(['var name: list<list<nothing>>'], 'E1010:')
143  CheckDefFailure(['var name: dict<nothing>'], 'E1010:')
144  CheckDefFailure(['var name: dict<dict<nothing>>'], 'E1010:')
145
146  CheckDefFailure(['var name: dict<number'], 'E1009:')
147  CheckDefFailure(['var name: dict<list<number>'], 'E1009:')
148
149  CheckDefFailure(['var name: ally'], 'E1010:')
150  CheckDefFailure(['var name: bram'], 'E1010:')
151  CheckDefFailure(['var name: cathy'], 'E1010:')
152  CheckDefFailure(['var name: dom'], 'E1010:')
153  CheckDefFailure(['var name: freddy'], 'E1010:')
154  CheckDefFailure(['var name: john'], 'E1010:')
155  CheckDefFailure(['var name: larry'], 'E1010:')
156  CheckDefFailure(['var name: ned'], 'E1010:')
157  CheckDefFailure(['var name: pam'], 'E1010:')
158  CheckDefFailure(['var name: sam'], 'E1010:')
159  CheckDefFailure(['var name: vim'], 'E1010:')
160
161  CheckDefFailure(['var Ref: number', 'Ref()'], 'E1085:')
162  CheckDefFailure(['var Ref: string', 'var res = Ref()'], 'E1085:')
163enddef
164
165def Test_script_wrong_type()
166  var lines =<< trim END
167      vim9script
168      var s:dict: dict<string>
169      s:dict['a'] = ['x']
170  END
171  CheckScriptFailure(lines, 'E1012: Type mismatch; expected string but got list<string>', 3)
172enddef
173
174def Test_const()
175  CheckDefFailure(['final name = 234', 'name = 99'], 'E1018:')
176  CheckDefFailure(['final one = 234', 'var one = 99'], 'E1017:')
177  CheckDefFailure(['final list = [1, 2]', 'var list = [3, 4]'], 'E1017:')
178  CheckDefFailure(['final two'], 'E1125:')
179  CheckDefFailure(['final &option'], 'E996:')
180
181  var lines =<< trim END
182    final list = [1, 2, 3]
183    list[0] = 4
184    list->assert_equal([4, 2, 3])
185    const other = [5, 6, 7]
186    other->assert_equal([5, 6, 7])
187
188    var varlist = [7, 8]
189    const constlist = [1, varlist, 3]
190    varlist[0] = 77
191    # TODO: does not work yet
192    # constlist[1][1] = 88
193    var cl = constlist[1]
194    cl[1] = 88
195    constlist->assert_equal([1, [77, 88], 3])
196
197    var vardict = {five: 5, six: 6}
198    const constdict = {one: 1, two: vardict, three: 3}
199    vardict['five'] = 55
200    # TODO: does not work yet
201    # constdict['two']['six'] = 66
202    var cd = constdict['two']
203    cd['six'] = 66
204    constdict->assert_equal({one: 1, two: {five: 55, six: 66}, three: 3})
205  END
206  CheckDefAndScriptSuccess(lines)
207enddef
208
209def Test_const_bang()
210  var lines =<< trim END
211      const var = 234
212      var = 99
213  END
214  CheckDefExecFailure(lines, 'E1018:', 2)
215  CheckScriptFailure(['vim9script'] + lines, 'E46:', 3)
216
217  lines =<< trim END
218      const ll = [2, 3, 4]
219      ll[0] = 99
220  END
221  CheckDefExecFailure(lines, 'E1119:', 2)
222  CheckScriptFailure(['vim9script'] + lines, 'E741:', 3)
223
224  lines =<< trim END
225      const ll = [2, 3, 4]
226      ll[3] = 99
227  END
228  CheckDefExecFailure(lines, 'E1118:', 2)
229  CheckScriptFailure(['vim9script'] + lines, 'E684:', 3)
230
231  lines =<< trim END
232      const dd = {one: 1, two: 2}
233      dd["one"] = 99
234  END
235  CheckDefExecFailure(lines, 'E1121:', 2)
236  CheckScriptFailure(['vim9script'] + lines, 'E741:', 3)
237
238  lines =<< trim END
239      const dd = {one: 1, two: 2}
240      dd["three"] = 99
241  END
242  CheckDefExecFailure(lines, 'E1120:')
243  CheckScriptFailure(['vim9script'] + lines, 'E741:', 3)
244enddef
245
246def Test_range_no_colon()
247  CheckDefFailure(['%s/a/b/'], 'E1050:')
248  CheckDefFailure(['+ s/a/b/'], 'E1050:')
249  CheckDefFailure(['- s/a/b/'], 'E1050:')
250  CheckDefFailure(['. s/a/b/'], 'E1050:')
251enddef
252
253
254def Test_block()
255  var outer = 1
256  {
257    var inner = 2
258    assert_equal(1, outer)
259    assert_equal(2, inner)
260  }
261  assert_equal(1, outer)
262
263  {|echo 'yes'|}
264enddef
265
266def Test_block_failure()
267  CheckDefFailure(['{', 'var inner = 1', '}', 'echo inner'], 'E1001:')
268  CheckDefFailure(['}'], 'E1025:')
269  CheckDefFailure(['{', 'echo 1'], 'E1026:')
270enddef
271
272def Test_block_local_vars()
273  var lines =<< trim END
274      vim9script
275      v:testing = 1
276      if true
277        var text = ['hello']
278        def SayHello(): list<string>
279          return text
280        enddef
281        def SetText(v: string)
282          text = [v]
283        enddef
284      endif
285
286      if true
287        var text = ['again']
288        def SayAgain(): list<string>
289          return text
290        enddef
291      endif
292
293      # test that the "text" variables are not cleaned up
294      test_garbagecollect_now()
295
296      defcompile
297
298      assert_equal(['hello'], SayHello())
299      assert_equal(['again'], SayAgain())
300
301      SetText('foobar')
302      assert_equal(['foobar'], SayHello())
303
304      call writefile(['ok'], 'Xdidit')
305      qall!
306  END
307
308  # need to execute this with a separate Vim instance to avoid the current
309  # context gets garbage collected.
310  writefile(lines, 'Xscript')
311  RunVim([], [], '-S Xscript')
312  assert_equal(['ok'], readfile('Xdidit'))
313
314  delete('Xscript')
315  delete('Xdidit')
316enddef
317
318def Test_block_local_vars_with_func()
319  var lines =<< trim END
320      vim9script
321      if true
322        var foo = 'foo'
323        if true
324          var bar = 'bar'
325          def Func(): list<string>
326            return [foo, bar]
327          enddef
328        endif
329      endif
330      # function is compiled here, after blocks have finished, can still access
331      # "foo" and "bar"
332      assert_equal(['foo', 'bar'], Func())
333  END
334  CheckScriptSuccess(lines)
335enddef
336
337func g:NoSuchFunc()
338  echo 'none'
339endfunc
340
341def Test_try_catch_throw()
342  var l = []
343  try # comment
344    add(l, '1')
345    throw 'wrong'
346    add(l, '2')
347  catch # comment
348    add(l, v:exception)
349  finally # comment
350    add(l, '3')
351  endtry # comment
352  assert_equal(['1', 'wrong', '3'], l)
353
354  l = []
355  try
356    try
357      add(l, '1')
358      throw 'wrong'
359      add(l, '2')
360    catch /right/
361      add(l, v:exception)
362    endtry
363  catch /wrong/
364    add(l, 'caught')
365  fina
366    add(l, 'finally')
367  endtry
368  assert_equal(['1', 'caught', 'finally'], l)
369
370  var n: number
371  try
372    n = l[3]
373  catch /E684:/
374    n = 99
375  endtry
376  assert_equal(99, n)
377
378  var done = 'no'
379  if 0
380    try | catch | endtry
381  else
382    done = 'yes'
383  endif
384  assert_equal('yes', done)
385
386  done = 'no'
387  if 1
388    done = 'yes'
389  else
390    try | catch | endtry
391    done = 'never'
392  endif
393  assert_equal('yes', done)
394
395  if 1
396  else
397    try | catch /pat/ | endtry
398    try | catch /pat/
399    endtry
400    try
401    catch /pat/ | endtry
402    try
403    catch /pat/
404    endtry
405  endif
406
407  try
408    # string slice returns a string, not a number
409    n = g:astring[3]
410  catch /E1012:/
411    n = 77
412  endtry
413  assert_equal(77, n)
414
415  try
416    n = l[g:astring]
417  catch /E1012:/
418    n = 88
419  endtry
420  assert_equal(88, n)
421
422  try
423    n = s:does_not_exist
424  catch /E121:/
425    n = 111
426  endtry
427  assert_equal(111, n)
428
429  try
430    n = g:does_not_exist
431  catch /E121:/
432    n = 121
433  endtry
434  assert_equal(121, n)
435
436  var d = {one: 1}
437  try
438    n = d[g:astring]
439  catch /E716:/
440    n = 222
441  endtry
442  assert_equal(222, n)
443
444  try
445    n = -g:astring
446  catch /E39:/
447    n = 233
448  endtry
449  assert_equal(233, n)
450
451  try
452    n = +g:astring
453  catch /E1030:/
454    n = 244
455  endtry
456  assert_equal(244, n)
457
458  try
459    n = +g:alist
460  catch /E745:/
461    n = 255
462  endtry
463  assert_equal(255, n)
464
465  var nd: dict<any>
466  try
467    nd = {[g:alist]: 1}
468  catch /E1105:/
469    n = 266
470  endtry
471  assert_equal(266, n)
472
473  try
474    [n] = [1, 2, 3]
475  catch /E1093:/
476    n = 277
477  endtry
478  assert_equal(277, n)
479
480  try
481    &ts = g:astring
482  catch /E1012:/
483    n = 288
484  endtry
485  assert_equal(288, n)
486
487  try
488    &backspace = 'asdf'
489  catch /E474:/
490    n = 299
491  endtry
492  assert_equal(299, n)
493
494  l = [1]
495  try
496    l[3] = 3
497  catch /E684:/
498    n = 300
499  endtry
500  assert_equal(300, n)
501
502  try
503    unlet g:does_not_exist
504  catch /E108:/
505    n = 322
506  endtry
507  assert_equal(322, n)
508
509  try
510    d = {text: 1, [g:astring]: 2}
511  catch /E721:/
512    n = 333
513  endtry
514  assert_equal(333, n)
515
516  try
517    l = DeletedFunc()
518  catch /E933:/
519    n = 344
520  endtry
521  assert_equal(344, n)
522
523  try
524    echo len(v:true)
525  catch /E701:/
526    n = 355
527  endtry
528  assert_equal(355, n)
529
530  var P = function('g:NoSuchFunc')
531  delfunc g:NoSuchFunc
532  try
533    echo P()
534  catch /E117:/
535    n = 366
536  endtry
537  assert_equal(366, n)
538
539  try
540    echo g:NoSuchFunc()
541  catch /E117:/
542    n = 377
543  endtry
544  assert_equal(377, n)
545
546  try
547    echo g:alist + 4
548  catch /E745:/
549    n = 388
550  endtry
551  assert_equal(388, n)
552
553  try
554    echo 4 + g:alist
555  catch /E745:/
556    n = 399
557  endtry
558  assert_equal(399, n)
559
560  try
561    echo g:alist.member
562  catch /E715:/
563    n = 400
564  endtry
565  assert_equal(400, n)
566
567  try
568    echo d.member
569  catch /E716:/
570    n = 411
571  endtry
572  assert_equal(411, n)
573
574  var counter = 0
575  for i in range(4)
576    try
577      eval [][0]
578    catch
579    endtry
580    counter += 1
581  endfor
582  assert_equal(4, counter)
583
584  # return in finally after empty catch
585  def ReturnInFinally(): number
586    try
587    finally
588      return 4
589    endtry
590    return 2
591  enddef
592  assert_equal(4, ReturnInFinally())
593enddef
594
595" :while at the very start of a function that :continue jumps to
596def TryContinueFunc()
597 while g:Count < 2
598   g:sequence ..= 't'
599    try
600      echoerr 'Test'
601    catch
602      g:Count += 1
603      g:sequence ..= 'c'
604      continue
605    endtry
606    g:sequence ..= 'e'
607    g:Count += 1
608  endwhile
609enddef
610
611def Test_continue_in_try_in_while()
612  g:Count = 0
613  g:sequence = ''
614  TryContinueFunc()
615  assert_equal('tctc', g:sequence)
616  unlet g:Count
617  unlet g:sequence
618enddef
619
620def Test_nocatch_return_in_try()
621  # return in try block returns normally
622  def ReturnInTry(): string
623    try
624      return '"some message"'
625    catch
626    endtry
627    return 'not reached'
628  enddef
629  exe 'echoerr ' .. ReturnInTry()
630enddef
631
632def Test_cnext_works_in_catch()
633  var lines =<< trim END
634      vim9script
635      au BufEnter * eval 0
636      writefile(['text'], 'Xfile1')
637      writefile(['text'], 'Xfile2')
638      var items = [
639          {lnum: 1, filename: 'Xfile1', valid: true},
640          {lnum: 1, filename: 'Xfile2', valid: true}
641        ]
642      setqflist([], ' ', {items: items})
643      cwindow
644
645      def CnextOrCfirst()
646        # if cnext fails, cfirst is used
647        try
648          cnext
649        catch
650          cfirst
651        endtry
652      enddef
653
654      CnextOrCfirst()
655      CnextOrCfirst()
656      writefile([getqflist({idx: 0}).idx], 'Xresult')
657      qall
658  END
659  writefile(lines, 'XCatchCnext')
660  RunVim([], [], '--clean -S XCatchCnext')
661  assert_equal(['1'], readfile('Xresult'))
662
663  delete('Xfile1')
664  delete('Xfile2')
665  delete('XCatchCnext')
666  delete('Xresult')
667enddef
668
669def Test_throw_skipped()
670  if 0
671    throw dontgethere
672  endif
673enddef
674
675def Test_nocatch_throw_silenced()
676  var lines =<< trim END
677    vim9script
678    def Func()
679      throw 'error'
680    enddef
681    silent! Func()
682  END
683  writefile(lines, 'XthrowSilenced')
684  source XthrowSilenced
685  delete('XthrowSilenced')
686enddef
687
688def DeletedFunc(): list<any>
689  return ['delete me']
690enddef
691defcompile
692delfunc DeletedFunc
693
694def ThrowFromDef()
695  throw "getout" # comment
696enddef
697
698func CatchInFunc()
699  try
700    call ThrowFromDef()
701  catch
702    let g:thrown_func = v:exception
703  endtry
704endfunc
705
706def CatchInDef()
707  try
708    ThrowFromDef()
709  catch
710    g:thrown_def = v:exception
711  endtry
712enddef
713
714def ReturnFinally(): string
715  try
716    return 'intry'
717  finall
718    g:in_finally = 'finally'
719  endtry
720  return 'end'
721enddef
722
723def Test_try_catch_nested()
724  CatchInFunc()
725  assert_equal('getout', g:thrown_func)
726
727  CatchInDef()
728  assert_equal('getout', g:thrown_def)
729
730  assert_equal('intry', ReturnFinally())
731  assert_equal('finally', g:in_finally)
732enddef
733
734def TryOne(): number
735  try
736    return 0
737  catch
738  endtry
739  return 0
740enddef
741
742def TryTwo(n: number): string
743  try
744    var x = {}
745  catch
746  endtry
747  return 'text'
748enddef
749
750def Test_try_catch_twice()
751  assert_equal('text', TryOne()->TryTwo())
752enddef
753
754def Test_try_catch_match()
755  var seq = 'a'
756  try
757    throw 'something'
758  catch /nothing/
759    seq ..= 'x'
760  catch /some/
761    seq ..= 'b'
762  catch /asdf/
763    seq ..= 'x'
764  catch ?a\?sdf?
765    seq ..= 'y'
766  finally
767    seq ..= 'c'
768  endtry
769  assert_equal('abc', seq)
770enddef
771
772def Test_try_catch_fails()
773  CheckDefFailure(['catch'], 'E603:')
774  CheckDefFailure(['try', 'echo 0', 'catch', 'catch'], 'E1033:')
775  CheckDefFailure(['try', 'echo 0', 'catch /pat'], 'E1067:')
776  CheckDefFailure(['finally'], 'E606:')
777  CheckDefFailure(['try', 'echo 0', 'finally', 'echo 1', 'finally'], 'E607:')
778  CheckDefFailure(['endtry'], 'E602:')
779  CheckDefFailure(['while 1', 'endtry'], 'E170:')
780  CheckDefFailure(['for i in range(5)', 'endtry'], 'E170:')
781  CheckDefFailure(['if 1', 'endtry'], 'E171:')
782  CheckDefFailure(['try', 'echo 1', 'endtry'], 'E1032:')
783
784  CheckDefFailure(['throw'], 'E1143:')
785  CheckDefFailure(['throw xxx'], 'E1001:')
786enddef
787
788def Try_catch_skipped()
789  var l = []
790  try
791  finally
792  endtry
793
794  if 1
795  else
796    try
797    endtry
798  endif
799enddef
800
801" The skipped try/endtry was updating the wrong instruction.
802def Test_try_catch_skipped()
803  var instr = execute('disassemble Try_catch_skipped')
804  assert_match("NEWLIST size 0\n", instr)
805enddef
806
807
808
809def Test_throw_vimscript()
810  # only checks line continuation
811  var lines =<< trim END
812      vim9script
813      try
814        throw 'one'
815              .. 'two'
816      catch
817        assert_equal('onetwo', v:exception)
818      endtry
819  END
820  CheckScriptSuccess(lines)
821
822  lines =<< trim END
823    vim9script
824    @r = ''
825    def Func()
826      throw @r
827    enddef
828    var result = ''
829    try
830      Func()
831    catch /E1129:/
832      result = 'caught'
833    endtry
834    assert_equal('caught', result)
835  END
836  CheckScriptSuccess(lines)
837enddef
838
839def Test_error_in_nested_function()
840  # an error in a nested :function aborts executing in the calling :def function
841  var lines =<< trim END
842      vim9script
843      def Func()
844        Error()
845        g:test_var = 1
846      enddef
847      func Error() abort
848        eval [][0]
849      endfunc
850      Func()
851  END
852  g:test_var = 0
853  CheckScriptFailure(lines, 'E684:')
854  assert_equal(0, g:test_var)
855enddef
856
857def Test_cexpr_vimscript()
858  # only checks line continuation
859  set errorformat=File\ %f\ line\ %l
860  var lines =<< trim END
861      vim9script
862      cexpr 'File'
863                .. ' someFile' ..
864                   ' line 19'
865      assert_equal(19, getqflist()[0].lnum)
866  END
867  CheckScriptSuccess(lines)
868  set errorformat&
869enddef
870
871def Test_statusline_syntax()
872  # legacy syntax is used for 'statusline'
873  var lines =<< trim END
874      vim9script
875      func g:Status()
876        return '%{"x" is# "x"}'
877      endfunc
878      set laststatus=2 statusline=%!Status()
879      redrawstatus
880      set laststatus statusline=
881  END
882  CheckScriptSuccess(lines)
883enddef
884
885def Test_list_vimscript()
886  # checks line continuation and comments
887  var lines =<< trim END
888      vim9script
889      var mylist = [
890            'one',
891            # comment
892            'two', # empty line follows
893
894            'three',
895            ]
896      assert_equal(['one', 'two', 'three'], mylist)
897  END
898  CheckScriptSuccess(lines)
899
900  # check all lines from heredoc are kept
901  lines =<< trim END
902      # comment 1
903      two
904      # comment 3
905
906      five
907      # comment 6
908  END
909  assert_equal(['# comment 1', 'two', '# comment 3', '', 'five', '# comment 6'], lines)
910
911  lines =<< trim END
912    [{
913      a: 0}]->string()->assert_equal("[{'a': 0}]")
914  END
915  CheckDefAndScriptSuccess(lines)
916enddef
917
918if has('channel')
919  let someJob = test_null_job()
920
921  def FuncWithError()
922    echomsg g:someJob
923  enddef
924
925  func Test_convert_emsg_to_exception()
926    try
927      call FuncWithError()
928    catch
929      call assert_match('Vim:E908:', v:exception)
930    endtry
931  endfunc
932endif
933
934let s:export_script_lines =<< trim END
935  vim9script
936  var name: string = 'bob'
937  def Concat(arg: string): string
938    return name .. arg
939  enddef
940  g:result = Concat('bie')
941  g:localname = name
942
943  export const CONST = 1234
944  export var exported = 9876
945  export var exp_name = 'John'
946  export def Exported(): string
947    return 'Exported'
948  enddef
949  export final theList = [1]
950END
951
952def Undo_export_script_lines()
953  unlet g:result
954  unlet g:localname
955enddef
956
957def Test_vim9_import_export()
958  var import_script_lines =<< trim END
959    vim9script
960    import {exported, Exported} from './Xexport.vim'
961    g:imported = exported
962    exported += 3
963    g:imported_added = exported
964    g:imported_func = Exported()
965
966    def GetExported(): string
967      var local_dict = {ref: Exported}
968      return local_dict.ref()
969    enddef
970    g:funcref_result = GetExported()
971
972    import {exp_name} from './Xexport.vim'
973    g:imported_name = exp_name
974    exp_name ..= ' Doe'
975    g:imported_name_appended = exp_name
976    g:imported_later = exported
977
978    import theList from './Xexport.vim'
979    theList->add(2)
980    assert_equal([1, 2], theList)
981  END
982
983  writefile(import_script_lines, 'Ximport.vim')
984  writefile(s:export_script_lines, 'Xexport.vim')
985
986  source Ximport.vim
987
988  assert_equal('bobbie', g:result)
989  assert_equal('bob', g:localname)
990  assert_equal(9876, g:imported)
991  assert_equal(9879, g:imported_added)
992  assert_equal(9879, g:imported_later)
993  assert_equal('Exported', g:imported_func)
994  assert_equal('Exported', g:funcref_result)
995  assert_equal('John', g:imported_name)
996  assert_equal('John Doe', g:imported_name_appended)
997  assert_false(exists('g:name'))
998
999  Undo_export_script_lines()
1000  unlet g:imported
1001  unlet g:imported_added
1002  unlet g:imported_later
1003  unlet g:imported_func
1004  unlet g:imported_name g:imported_name_appended
1005  delete('Ximport.vim')
1006
1007  # similar, with line breaks
1008  var import_line_break_script_lines =<< trim END
1009    vim9script
1010    import {
1011        exported,
1012        Exported,
1013        }
1014        from
1015        './Xexport.vim'
1016    g:imported = exported
1017    exported += 5
1018    g:imported_added = exported
1019    g:imported_func = Exported()
1020  END
1021  writefile(import_line_break_script_lines, 'Ximport_lbr.vim')
1022  source Ximport_lbr.vim
1023
1024  assert_equal(9876, g:imported)
1025  assert_equal(9881, g:imported_added)
1026  assert_equal('Exported', g:imported_func)
1027
1028  # exported script not sourced again
1029  assert_false(exists('g:result'))
1030  unlet g:imported
1031  unlet g:imported_added
1032  unlet g:imported_func
1033  delete('Ximport_lbr.vim')
1034
1035  # import inside :def function
1036  var import_in_def_lines =<< trim END
1037    vim9script
1038    def ImportInDef()
1039      import exported from './Xexport.vim'
1040      g:imported = exported
1041      exported += 7
1042      g:imported_added = exported
1043    enddef
1044    ImportInDef()
1045  END
1046  writefile(import_in_def_lines, 'Ximport2.vim')
1047  source Ximport2.vim
1048  # TODO: this should be 9879
1049  assert_equal(9876, g:imported)
1050  assert_equal(9883, g:imported_added)
1051  unlet g:imported
1052  unlet g:imported_added
1053  delete('Ximport2.vim')
1054
1055  var import_star_as_lines =<< trim END
1056    vim9script
1057    import * as Export from './Xexport.vim'
1058    def UseExport()
1059      g:imported_def = Export.exported
1060    enddef
1061    g:imported_script = Export.exported
1062    assert_equal(1, exists('Export.exported'))
1063    assert_equal(0, exists('Export.notexported'))
1064    UseExport()
1065  END
1066  writefile(import_star_as_lines, 'Ximport.vim')
1067  source Ximport.vim
1068  assert_equal(9883, g:imported_def)
1069  assert_equal(9883, g:imported_script)
1070
1071  var import_star_as_lines_no_dot =<< trim END
1072    vim9script
1073    import * as Export from './Xexport.vim'
1074    def Func()
1075      var dummy = 1
1076      var imported = Export + dummy
1077    enddef
1078    defcompile
1079  END
1080  writefile(import_star_as_lines_no_dot, 'Ximport.vim')
1081  assert_fails('source Ximport.vim', 'E1060:', '', 2, 'Func')
1082
1083  var import_star_as_lines_dot_space =<< trim END
1084    vim9script
1085    import * as Export from './Xexport.vim'
1086    def Func()
1087      var imported = Export . exported
1088    enddef
1089    defcompile
1090  END
1091  writefile(import_star_as_lines_dot_space, 'Ximport.vim')
1092  assert_fails('source Ximport.vim', 'E1074:', '', 1, 'Func')
1093
1094  var import_star_as_duplicated =<< trim END
1095    vim9script
1096    import * as Export from './Xexport.vim'
1097    var some = 'other'
1098    import * as Export from './Xexport.vim'
1099    defcompile
1100  END
1101  writefile(import_star_as_duplicated, 'Ximport.vim')
1102  assert_fails('source Ximport.vim', 'E1073:', '', 4, 'Ximport.vim')
1103
1104  var import_star_as_lines_script_no_dot =<< trim END
1105    vim9script
1106    import * as Export from './Xexport.vim'
1107    g:imported_script = Export exported
1108  END
1109  writefile(import_star_as_lines_script_no_dot, 'Ximport.vim')
1110  assert_fails('source Ximport.vim', 'E1029:')
1111
1112  var import_star_as_lines_script_space_after_dot =<< trim END
1113    vim9script
1114    import * as Export from './Xexport.vim'
1115    g:imported_script = Export. exported
1116  END
1117  writefile(import_star_as_lines_script_space_after_dot, 'Ximport.vim')
1118  assert_fails('source Ximport.vim', 'E1074:')
1119
1120  var import_star_as_lines_missing_name =<< trim END
1121    vim9script
1122    import * as Export from './Xexport.vim'
1123    def Func()
1124      var imported = Export.
1125    enddef
1126    defcompile
1127  END
1128  writefile(import_star_as_lines_missing_name, 'Ximport.vim')
1129  assert_fails('source Ximport.vim', 'E1048:', '', 1, 'Func')
1130
1131  var import_star_as_lbr_lines =<< trim END
1132    vim9script
1133    import *
1134        as Export
1135        from
1136        './Xexport.vim'
1137    def UseExport()
1138      g:imported = Export.exported
1139    enddef
1140    UseExport()
1141  END
1142  writefile(import_star_as_lbr_lines, 'Ximport.vim')
1143  source Ximport.vim
1144  assert_equal(9883, g:imported)
1145
1146  var import_star_lines =<< trim END
1147    vim9script
1148    import * from './Xexport.vim'
1149  END
1150  writefile(import_star_lines, 'Ximport.vim')
1151  assert_fails('source Ximport.vim', 'E1045:', '', 2, 'Ximport.vim')
1152
1153  # try to import something that exists but is not exported
1154  var import_not_exported_lines =<< trim END
1155    vim9script
1156    import name from './Xexport.vim'
1157  END
1158  writefile(import_not_exported_lines, 'Ximport.vim')
1159  assert_fails('source Ximport.vim', 'E1049:', '', 2, 'Ximport.vim')
1160
1161  # try to import something that is already defined
1162  var import_already_defined =<< trim END
1163    vim9script
1164    var exported = 'something'
1165    import exported from './Xexport.vim'
1166  END
1167  writefile(import_already_defined, 'Ximport.vim')
1168  assert_fails('source Ximport.vim', 'E1054:', '', 3, 'Ximport.vim')
1169
1170  # try to import something that is already defined
1171  import_already_defined =<< trim END
1172    vim9script
1173    var exported = 'something'
1174    import * as exported from './Xexport.vim'
1175  END
1176  writefile(import_already_defined, 'Ximport.vim')
1177  assert_fails('source Ximport.vim', 'E1054:', '', 3, 'Ximport.vim')
1178
1179  # try to import something that is already defined
1180  import_already_defined =<< trim END
1181    vim9script
1182    var exported = 'something'
1183    import {exported} from './Xexport.vim'
1184  END
1185  writefile(import_already_defined, 'Ximport.vim')
1186  assert_fails('source Ximport.vim', 'E1054:', '', 3, 'Ximport.vim')
1187
1188  # try changing an imported const
1189  var import_assign_to_const =<< trim END
1190    vim9script
1191    import CONST from './Xexport.vim'
1192    def Assign()
1193      CONST = 987
1194    enddef
1195    defcompile
1196  END
1197  writefile(import_assign_to_const, 'Ximport.vim')
1198  assert_fails('source Ximport.vim', 'E46:', '', 1, '_Assign')
1199
1200  # try changing an imported final
1201  var import_assign_to_final =<< trim END
1202    vim9script
1203    import theList from './Xexport.vim'
1204    def Assign()
1205      theList = [2]
1206    enddef
1207    defcompile
1208  END
1209  writefile(import_assign_to_final, 'Ximport.vim')
1210  assert_fails('source Ximport.vim', 'E46:', '', 1, '_Assign')
1211
1212  # import a very long name, requires making a copy
1213  var import_long_name_lines =<< trim END
1214    vim9script
1215    import name012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 from './Xexport.vim'
1216  END
1217  writefile(import_long_name_lines, 'Ximport.vim')
1218  assert_fails('source Ximport.vim', 'E1048:', '', 2, 'Ximport.vim')
1219
1220  var import_no_from_lines =<< trim END
1221    vim9script
1222    import name './Xexport.vim'
1223  END
1224  writefile(import_no_from_lines, 'Ximport.vim')
1225  assert_fails('source Ximport.vim', 'E1070:', '', 2, 'Ximport.vim')
1226
1227  var import_invalid_string_lines =<< trim END
1228    vim9script
1229    import name from Xexport.vim
1230  END
1231  writefile(import_invalid_string_lines, 'Ximport.vim')
1232  assert_fails('source Ximport.vim', 'E1071:', '', 2, 'Ximport.vim')
1233
1234  var import_wrong_name_lines =<< trim END
1235    vim9script
1236    import name from './XnoExport.vim'
1237  END
1238  writefile(import_wrong_name_lines, 'Ximport.vim')
1239  assert_fails('source Ximport.vim', 'E1053:', '', 2, 'Ximport.vim')
1240
1241  var import_missing_comma_lines =<< trim END
1242    vim9script
1243    import {exported name} from './Xexport.vim'
1244  END
1245  writefile(import_missing_comma_lines, 'Ximport3.vim')
1246  assert_fails('source Ximport3.vim', 'E1046:', '', 2, 'Ximport3.vim')
1247
1248  delete('Ximport.vim')
1249  delete('Ximport3.vim')
1250  delete('Xexport.vim')
1251
1252  # Check that in a Vim9 script 'cpo' is set to the Vim default.
1253  # Flags added or removed are also applied to the restored value.
1254  set cpo=abcd
1255  var lines =<< trim END
1256    vim9script
1257    g:cpo_in_vim9script = &cpo
1258    set cpo+=f
1259    set cpo-=c
1260    g:cpo_after_vim9script = &cpo
1261  END
1262  writefile(lines, 'Xvim9_script')
1263  source Xvim9_script
1264  assert_equal('fabd', &cpo)
1265  set cpo&vim
1266  assert_equal(&cpo, g:cpo_in_vim9script)
1267  var newcpo = substitute(&cpo, 'c', '', '') .. 'f'
1268  assert_equal(newcpo, g:cpo_after_vim9script)
1269
1270  delete('Xvim9_script')
1271enddef
1272
1273def Test_import_as()
1274  var export_lines =<< trim END
1275    vim9script
1276    export var one = 1
1277    export var yes = 'yes'
1278  END
1279  writefile(export_lines, 'XexportAs')
1280
1281  var import_lines =<< trim END
1282    vim9script
1283    import one as thatOne from './XexportAs'
1284    assert_equal(1, thatOne)
1285    import yes as yesYes from './XexportAs'
1286    assert_equal('yes', yesYes)
1287  END
1288  CheckScriptSuccess(import_lines)
1289
1290  import_lines =<< trim END
1291    vim9script
1292    import {one as thatOne, yes as yesYes} from './XexportAs'
1293    assert_equal(1, thatOne)
1294    assert_equal('yes', yesYes)
1295    assert_fails('echo one', 'E121:')
1296    assert_fails('echo yes', 'E121:')
1297  END
1298  CheckScriptSuccess(import_lines)
1299
1300  delete('XexportAs')
1301enddef
1302
1303func g:Trigger()
1304  source Ximport.vim
1305  return "echo 'yes'\<CR>"
1306endfunc
1307
1308def Test_import_export_expr_map()
1309  # check that :import and :export work when buffer is locked
1310  var export_lines =<< trim END
1311    vim9script
1312    export def That(): string
1313      return 'yes'
1314    enddef
1315  END
1316  writefile(export_lines, 'Xexport_that.vim')
1317
1318  var import_lines =<< trim END
1319    vim9script
1320    import That from './Xexport_that.vim'
1321    assert_equal('yes', That())
1322  END
1323  writefile(import_lines, 'Ximport.vim')
1324
1325  nnoremap <expr> trigger g:Trigger()
1326  feedkeys('trigger', "xt")
1327
1328  delete('Xexport_that.vim')
1329  delete('Ximport.vim')
1330  nunmap trigger
1331enddef
1332
1333def Test_import_in_filetype()
1334  # check that :import works when the buffer is locked
1335  mkdir('ftplugin', 'p')
1336  var export_lines =<< trim END
1337    vim9script
1338    export var That = 'yes'
1339  END
1340  writefile(export_lines, 'ftplugin/Xexport_ft.vim')
1341
1342  var import_lines =<< trim END
1343    vim9script
1344    import That from './Xexport_ft.vim'
1345    assert_equal('yes', That)
1346    g:did_load_mytpe = 1
1347  END
1348  writefile(import_lines, 'ftplugin/qf.vim')
1349
1350  var save_rtp = &rtp
1351  &rtp = getcwd() .. ',' .. &rtp
1352
1353  filetype plugin on
1354  copen
1355  assert_equal(1, g:did_load_mytpe)
1356
1357  quit!
1358  delete('Xexport_ft.vim')
1359  delete('ftplugin', 'rf')
1360  &rtp = save_rtp
1361enddef
1362
1363def Test_use_import_in_mapping()
1364  var lines =<< trim END
1365      vim9script
1366      export def Funcx()
1367        g:result = 42
1368      enddef
1369  END
1370  writefile(lines, 'XsomeExport.vim')
1371  lines =<< trim END
1372      vim9script
1373      import Funcx from './XsomeExport.vim'
1374      nnoremap <F3> :call <sid>Funcx()<cr>
1375  END
1376  writefile(lines, 'Xmapscript.vim')
1377
1378  source Xmapscript.vim
1379  feedkeys("\<F3>", "xt")
1380  assert_equal(42, g:result)
1381
1382  unlet g:result
1383  delete('XsomeExport.vim')
1384  delete('Xmapscript.vim')
1385  nunmap <F3>
1386enddef
1387
1388def Test_vim9script_mix()
1389  var lines =<< trim END
1390    if has(g:feature)
1391      " legacy script
1392      let g:legacy = 1
1393      finish
1394    endif
1395    vim9script
1396    g:legacy = 0
1397  END
1398  g:feature = 'eval'
1399  g:legacy = -1
1400  CheckScriptSuccess(lines)
1401  assert_equal(1, g:legacy)
1402
1403  g:feature = 'noteval'
1404  g:legacy = -1
1405  CheckScriptSuccess(lines)
1406  assert_equal(0, g:legacy)
1407enddef
1408
1409def Test_vim9script_fails()
1410  CheckScriptFailure(['scriptversion 2', 'vim9script'], 'E1039:')
1411  CheckScriptFailure(['vim9script', 'scriptversion 2'], 'E1040:')
1412  CheckScriptFailure(['export var some = 123'], 'E1042:')
1413  CheckScriptFailure(['import some from "./Xexport.vim"'], 'E1048:')
1414  CheckScriptFailure(['vim9script', 'export var g:some'], 'E1022:')
1415  CheckScriptFailure(['vim9script', 'export echo 134'], 'E1043:')
1416
1417  CheckScriptFailure(['vim9script', 'var str: string', 'str = 1234'], 'E1012:')
1418  CheckScriptFailure(['vim9script', 'const str = "asdf"', 'str = "xxx"'], 'E46:')
1419
1420  assert_fails('vim9script', 'E1038:')
1421  assert_fails('export something', 'E1043:')
1422enddef
1423
1424func Test_import_fails_without_script()
1425  CheckRunVimInTerminal
1426
1427  " call indirectly to avoid compilation error for missing functions
1428  call Run_Test_import_fails_on_command_line()
1429endfunc
1430
1431def Run_Test_import_fails_on_command_line()
1432  var export =<< trim END
1433    vim9script
1434    export def Foo(): number
1435        return 0
1436    enddef
1437  END
1438  writefile(export, 'XexportCmd.vim')
1439
1440  var buf = RunVimInTerminal('-c "import Foo from ''./XexportCmd.vim''"', {
1441                rows: 6, wait_for_ruler: 0})
1442  WaitForAssert(() => assert_match('^E1094:', term_getline(buf, 5)))
1443
1444  delete('XexportCmd.vim')
1445  StopVimInTerminal(buf)
1446enddef
1447
1448def Test_vim9script_reload_noclear()
1449  var lines =<< trim END
1450    vim9script
1451    export var exported = 'thexport'
1452  END
1453  writefile(lines, 'XExportReload')
1454  lines =<< trim END
1455    vim9script noclear
1456    g:loadCount += 1
1457    var s:reloaded = 'init'
1458    import exported from './XExportReload'
1459
1460    def Again(): string
1461      return 'again'
1462    enddef
1463
1464    if exists('s:loaded') | finish | endif
1465    var s:loaded = true
1466
1467    var s:notReloaded = 'yes'
1468    s:reloaded = 'first'
1469    def g:Values(): list<string>
1470      return [s:reloaded, s:notReloaded, Again(), Once(), exported]
1471    enddef
1472
1473    def Once(): string
1474      return 'once'
1475    enddef
1476  END
1477  writefile(lines, 'XReloaded')
1478  g:loadCount = 0
1479  source XReloaded
1480  assert_equal(1, g:loadCount)
1481  assert_equal(['first', 'yes', 'again', 'once', 'thexport'], g:Values())
1482  source XReloaded
1483  assert_equal(2, g:loadCount)
1484  assert_equal(['init', 'yes', 'again', 'once', 'thexport'], g:Values())
1485  source XReloaded
1486  assert_equal(3, g:loadCount)
1487  assert_equal(['init', 'yes', 'again', 'once', 'thexport'], g:Values())
1488
1489  delete('XReloaded')
1490  delete('XExportReload')
1491  delfunc g:Values
1492  unlet g:loadCount
1493enddef
1494
1495def Test_vim9script_reload_import()
1496  var lines =<< trim END
1497    vim9script
1498    const var = ''
1499    var valone = 1234
1500    def MyFunc(arg: string)
1501       valone = 5678
1502    enddef
1503  END
1504  var morelines =<< trim END
1505    var valtwo = 222
1506    export def GetValtwo(): number
1507      return valtwo
1508    enddef
1509  END
1510  writefile(lines + morelines, 'Xreload.vim')
1511  source Xreload.vim
1512  source Xreload.vim
1513  source Xreload.vim
1514
1515  var testlines =<< trim END
1516    vim9script
1517    def TheFunc()
1518      import GetValtwo from './Xreload.vim'
1519      assert_equal(222, GetValtwo())
1520    enddef
1521    TheFunc()
1522  END
1523  writefile(testlines, 'Ximport.vim')
1524  source Ximport.vim
1525
1526  # Test that when not using "morelines" GetValtwo() and valtwo are still
1527  # defined, because import doesn't reload a script.
1528  writefile(lines, 'Xreload.vim')
1529  source Ximport.vim
1530
1531  # cannot declare a var twice
1532  lines =<< trim END
1533    vim9script
1534    var valone = 1234
1535    var valone = 5678
1536  END
1537  writefile(lines, 'Xreload.vim')
1538  assert_fails('source Xreload.vim', 'E1041:', '', 3, 'Xreload.vim')
1539
1540  delete('Xreload.vim')
1541  delete('Ximport.vim')
1542enddef
1543
1544" if a script is reloaded with a script-local variable that changed its type, a
1545" compiled function using that variable must fail.
1546def Test_script_reload_change_type()
1547  var lines =<< trim END
1548    vim9script noclear
1549    var str = 'string'
1550    def g:GetStr(): string
1551      return str .. 'xxx'
1552    enddef
1553  END
1554  writefile(lines, 'Xreload.vim')
1555  source Xreload.vim
1556  echo g:GetStr()
1557
1558  lines =<< trim END
1559    vim9script noclear
1560    var str = 1234
1561  END
1562  writefile(lines, 'Xreload.vim')
1563  source Xreload.vim
1564  assert_fails('echo g:GetStr()', 'E1150:')
1565
1566  delfunc g:GetStr
1567  delete('Xreload.vim')
1568enddef
1569
1570" Define CallFunc so that the test can be compiled
1571command CallFunc echo 'nop'
1572
1573def Test_script_reload_from_function()
1574  var lines =<< trim END
1575      vim9script
1576
1577      if exists('g:loaded')
1578        finish
1579      endif
1580      g:loaded = 1
1581      delcommand CallFunc
1582      command CallFunc Func()
1583      def Func()
1584        so XreloadFunc.vim
1585        g:didTheFunc = 1
1586      enddef
1587  END
1588  writefile(lines, 'XreloadFunc.vim')
1589  source XreloadFunc.vim
1590  CallFunc
1591  assert_equal(1, g:didTheFunc)
1592
1593  delete('XreloadFunc.vim')
1594  delcommand CallFunc
1595  unlet g:loaded
1596  unlet g:didTheFunc
1597enddef
1598
1599def Test_script_var_shadows_function()
1600  var lines =<< trim END
1601      vim9script
1602      def Func(): number
1603        return 123
1604      enddef
1605      var Func = 1
1606  END
1607  CheckScriptFailure(lines, 'E1041:', 5)
1608enddef
1609
1610def s:RetSome(): string
1611  return 'some'
1612enddef
1613
1614" Not exported function that is referenced needs to be accessed by the
1615" script-local name.
1616def Test_vim9script_funcref()
1617  var sortlines =<< trim END
1618      vim9script
1619      def Compare(i1: number, i2: number): number
1620        return i2 - i1
1621      enddef
1622
1623      export def FastSort(): list<number>
1624        return range(5)->sort(Compare)
1625      enddef
1626
1627      export def GetString(arg: string): string
1628        return arg
1629      enddef
1630  END
1631  writefile(sortlines, 'Xsort.vim')
1632
1633  var lines =<< trim END
1634    vim9script
1635    import FastSort from './Xsort.vim'
1636    def Test()
1637      g:result = FastSort()
1638    enddef
1639    Test()
1640
1641    # using a function imported with "as"
1642    import * as anAlias from './Xsort.vim'
1643    assert_equal('yes', anAlias.GetString('yes'))
1644
1645    # using the function from a compiled function
1646    def TestMore(): string
1647      return anAlias.GetString('text')
1648    enddef
1649    assert_equal('text', TestMore())
1650
1651    # error when using a function that isn't exported
1652    assert_fails('anAlias.Compare(1, 2)', 'E1049:')
1653  END
1654  writefile(lines, 'Xscript.vim')
1655
1656  source Xscript.vim
1657  assert_equal([4, 3, 2, 1, 0], g:result)
1658
1659  unlet g:result
1660  delete('Xsort.vim')
1661  delete('Xscript.vim')
1662
1663  var Funcref = function('s:RetSome')
1664  assert_equal('some', Funcref())
1665enddef
1666
1667" Check that when searching for "FilterFunc" it finds the import in the
1668" script where FastFilter() is called from, both as a string and as a direct
1669" function reference.
1670def Test_vim9script_funcref_other_script()
1671  var filterLines =<< trim END
1672    vim9script
1673    export def FilterFunc(idx: number, val: number): bool
1674      return idx % 2 == 1
1675    enddef
1676    export def FastFilter(): list<number>
1677      return range(10)->filter('FilterFunc')
1678    enddef
1679    export def FastFilterDirect(): list<number>
1680      return range(10)->filter(FilterFunc)
1681    enddef
1682  END
1683  writefile(filterLines, 'Xfilter.vim')
1684
1685  var lines =<< trim END
1686    vim9script
1687    import {FilterFunc, FastFilter, FastFilterDirect} from './Xfilter.vim'
1688    def Test()
1689      var x: list<number> = FastFilter()
1690    enddef
1691    Test()
1692    def TestDirect()
1693      var x: list<number> = FastFilterDirect()
1694    enddef
1695    TestDirect()
1696  END
1697  CheckScriptSuccess(lines)
1698  delete('Xfilter.vim')
1699enddef
1700
1701def Test_vim9script_reload_delfunc()
1702  var first_lines =<< trim END
1703    vim9script
1704    def FuncYes(): string
1705      return 'yes'
1706    enddef
1707  END
1708  var withno_lines =<< trim END
1709    def FuncNo(): string
1710      return 'no'
1711    enddef
1712    def g:DoCheck(no_exists: bool)
1713      assert_equal('yes', FuncYes())
1714      assert_equal('no', FuncNo())
1715    enddef
1716  END
1717  var nono_lines =<< trim END
1718    def g:DoCheck(no_exists: bool)
1719      assert_equal('yes', FuncYes())
1720      assert_fails('FuncNo()', 'E117:', '', 2, 'DoCheck')
1721    enddef
1722  END
1723
1724  # FuncNo() is defined
1725  writefile(first_lines + withno_lines, 'Xreloaded.vim')
1726  source Xreloaded.vim
1727  g:DoCheck(true)
1728
1729  # FuncNo() is not redefined
1730  writefile(first_lines + nono_lines, 'Xreloaded.vim')
1731  source Xreloaded.vim
1732  g:DoCheck(false)
1733
1734  # FuncNo() is back
1735  writefile(first_lines + withno_lines, 'Xreloaded.vim')
1736  source Xreloaded.vim
1737  g:DoCheck(false)
1738
1739  delete('Xreloaded.vim')
1740enddef
1741
1742def Test_vim9script_reload_delvar()
1743  # write the script with a script-local variable
1744  var lines =<< trim END
1745    vim9script
1746    var name = 'string'
1747  END
1748  writefile(lines, 'XreloadVar.vim')
1749  source XreloadVar.vim
1750
1751  # now write the script using the same variable locally - works
1752  lines =<< trim END
1753    vim9script
1754    def Func()
1755      var name = 'string'
1756    enddef
1757  END
1758  writefile(lines, 'XreloadVar.vim')
1759  source XreloadVar.vim
1760
1761  delete('XreloadVar.vim')
1762enddef
1763
1764def Test_import_absolute()
1765  var import_lines = [
1766        'vim9script',
1767        'import exported from "' .. escape(getcwd(), '\') .. '/Xexport_abs.vim"',
1768        'def UseExported()',
1769        '  g:imported_abs = exported',
1770        '  exported = 8888',
1771        '  g:imported_after = exported',
1772        'enddef',
1773        'UseExported()',
1774        'g:import_disassembled = execute("disass UseExported")',
1775        ]
1776  writefile(import_lines, 'Ximport_abs.vim')
1777  writefile(s:export_script_lines, 'Xexport_abs.vim')
1778
1779  source Ximport_abs.vim
1780
1781  assert_equal(9876, g:imported_abs)
1782  assert_equal(8888, g:imported_after)
1783  assert_match('<SNR>\d\+_UseExported\_s*' ..
1784          'g:imported_abs = exported\_s*' ..
1785          '0 LOADSCRIPT exported-2 from .*Xexport_abs.vim\_s*' ..
1786          '1 STOREG g:imported_abs\_s*' ..
1787          'exported = 8888\_s*' ..
1788          '2 PUSHNR 8888\_s*' ..
1789          '3 STORESCRIPT exported-2 in .*Xexport_abs.vim\_s*' ..
1790          'g:imported_after = exported\_s*' ..
1791          '4 LOADSCRIPT exported-2 from .*Xexport_abs.vim\_s*' ..
1792          '5 STOREG g:imported_after',
1793        g:import_disassembled)
1794
1795  Undo_export_script_lines()
1796  unlet g:imported_abs
1797  unlet g:import_disassembled
1798
1799  delete('Ximport_abs.vim')
1800  delete('Xexport_abs.vim')
1801enddef
1802
1803def Test_import_rtp()
1804  var import_lines = [
1805        'vim9script',
1806        'import exported from "Xexport_rtp.vim"',
1807        'g:imported_rtp = exported',
1808        ]
1809  writefile(import_lines, 'Ximport_rtp.vim')
1810  mkdir('import')
1811  writefile(s:export_script_lines, 'import/Xexport_rtp.vim')
1812
1813  var save_rtp = &rtp
1814  &rtp = getcwd()
1815  source Ximport_rtp.vim
1816  &rtp = save_rtp
1817
1818  assert_equal(9876, g:imported_rtp)
1819
1820  Undo_export_script_lines()
1821  unlet g:imported_rtp
1822  delete('Ximport_rtp.vim')
1823  delete('import', 'rf')
1824enddef
1825
1826def Test_import_compile_error()
1827  var export_lines = [
1828        'vim9script',
1829        'export def ExpFunc(): string',
1830        '  return notDefined',
1831        'enddef',
1832        ]
1833  writefile(export_lines, 'Xexported.vim')
1834
1835  var import_lines = [
1836        'vim9script',
1837        'import ExpFunc from "./Xexported.vim"',
1838        'def ImpFunc()',
1839        '  echo ExpFunc()',
1840        'enddef',
1841        'defcompile',
1842        ]
1843  writefile(import_lines, 'Ximport.vim')
1844
1845  try
1846    source Ximport.vim
1847  catch /E1001/
1848    # Error should be fore the Xexported.vim file.
1849    assert_match('E1001: Variable not found: notDefined', v:exception)
1850    assert_match('function <SNR>\d\+_ImpFunc\[1\]..<SNR>\d\+_ExpFunc, line 1', v:throwpoint)
1851  endtry
1852
1853  delete('Xexported.vim')
1854  delete('Ximport.vim')
1855enddef
1856
1857def Test_func_redefine_error()
1858  var lines = [
1859        'vim9script',
1860        'def Func()',
1861        '  eval [][0]',
1862        'enddef',
1863        'Func()',
1864        ]
1865  writefile(lines, 'Xtestscript.vim')
1866
1867  for count in range(3)
1868    try
1869      source Xtestscript.vim
1870    catch /E684/
1871      # function name should contain <SNR> every time
1872      assert_match('E684: list index out of range', v:exception)
1873      assert_match('function <SNR>\d\+_Func, line 1', v:throwpoint)
1874    endtry
1875  endfor
1876
1877  delete('Xtestscript.vim')
1878enddef
1879
1880def Test_func_overrules_import_fails()
1881  var export_lines =<< trim END
1882      vim9script
1883      export def Func()
1884        echo 'imported'
1885      enddef
1886  END
1887  writefile(export_lines, 'XexportedFunc.vim')
1888
1889  var lines =<< trim END
1890    vim9script
1891    import Func from './XexportedFunc.vim'
1892    def Func()
1893      echo 'local to function'
1894    enddef
1895  END
1896  CheckScriptFailure(lines, 'E1073:')
1897
1898  lines =<< trim END
1899    vim9script
1900    import Func from './XexportedFunc.vim'
1901    def Outer()
1902      def Func()
1903        echo 'local to function'
1904      enddef
1905    enddef
1906    defcompile
1907  END
1908  CheckScriptFailure(lines, 'E1073:')
1909
1910  delete('XexportedFunc.vim')
1911enddef
1912
1913def Test_func_redefine_fails()
1914  var lines =<< trim END
1915    vim9script
1916    def Func()
1917      echo 'one'
1918    enddef
1919    def Func()
1920      echo 'two'
1921    enddef
1922  END
1923  CheckScriptFailure(lines, 'E1073:')
1924
1925  lines =<< trim END
1926    vim9script
1927    def Foo(): string
1928      return 'foo'
1929      enddef
1930    def Func()
1931      var  Foo = {-> 'lambda'}
1932    enddef
1933    defcompile
1934  END
1935  CheckScriptFailure(lines, 'E1073:')
1936enddef
1937
1938def Test_fixed_size_list()
1939  # will be allocated as one piece of memory, check that changes work
1940  var l = [1, 2, 3, 4]
1941  l->remove(0)
1942  l->add(5)
1943  l->insert(99, 1)
1944  assert_equal([2, 99, 3, 4, 5], l)
1945enddef
1946
1947def Test_no_insert_xit()
1948  CheckDefExecFailure(['a = 1'], 'E1100:')
1949  CheckDefExecFailure(['c = 1'], 'E1100:')
1950  CheckDefExecFailure(['i = 1'], 'E1100:')
1951  CheckDefExecFailure(['t = 1'], 'E1100:')
1952  CheckDefExecFailure(['x = 1'], 'E1100:')
1953
1954  CheckScriptFailure(['vim9script', 'a = 1'], 'E488:')
1955  CheckScriptFailure(['vim9script', 'a'], 'E1100:')
1956  CheckScriptFailure(['vim9script', 'c = 1'], 'E488:')
1957  CheckScriptFailure(['vim9script', 'c'], 'E1100:')
1958  CheckScriptFailure(['vim9script', 'i = 1'], 'E488:')
1959  CheckScriptFailure(['vim9script', 'i'], 'E1100:')
1960  CheckScriptFailure(['vim9script', 'o = 1'], 'E1100:')
1961  CheckScriptFailure(['vim9script', 'o'], 'E1100:')
1962  CheckScriptFailure(['vim9script', 't'], 'E1100:')
1963  CheckScriptFailure(['vim9script', 't = 1'], 'E1100:')
1964  CheckScriptFailure(['vim9script', 'x = 1'], 'E1100:')
1965enddef
1966
1967def IfElse(what: number): string
1968  var res = ''
1969  if what == 1
1970    res = "one"
1971  elseif what == 2
1972    res = "two"
1973  else
1974    res = "three"
1975  endif
1976  return res
1977enddef
1978
1979def Test_if_elseif_else()
1980  assert_equal('one', IfElse(1))
1981  assert_equal('two', IfElse(2))
1982  assert_equal('three', IfElse(3))
1983enddef
1984
1985def Test_if_elseif_else_fails()
1986  CheckDefFailure(['elseif true'], 'E582:')
1987  CheckDefFailure(['else'], 'E581:')
1988  CheckDefFailure(['endif'], 'E580:')
1989  CheckDefFailure(['if g:abool', 'elseif xxx'], 'E1001:')
1990  CheckDefFailure(['if true', 'echo 1'], 'E171:')
1991
1992  var lines =<< trim END
1993      var s = ''
1994      if s = ''
1995      endif
1996  END
1997  CheckDefFailure(lines, 'E488:')
1998
1999  lines =<< trim END
2000      var s = ''
2001      if s == ''
2002      elseif s = ''
2003      endif
2004  END
2005  CheckDefFailure(lines, 'E488:')
2006enddef
2007
2008let g:bool_true = v:true
2009let g:bool_false = v:false
2010
2011def Test_if_const_expr()
2012  var res = false
2013  if true ? true : false
2014    res = true
2015  endif
2016  assert_equal(true, res)
2017
2018  g:glob = 2
2019  if false
2020    execute('g:glob = 3')
2021  endif
2022  assert_equal(2, g:glob)
2023  if true
2024    execute('g:glob = 3')
2025  endif
2026  assert_equal(3, g:glob)
2027
2028  res = false
2029  if g:bool_true ? true : false
2030    res = true
2031  endif
2032  assert_equal(true, res)
2033
2034  res = false
2035  if true ? g:bool_true : false
2036    res = true
2037  endif
2038  assert_equal(true, res)
2039
2040  res = false
2041  if true ? true : g:bool_false
2042    res = true
2043  endif
2044  assert_equal(true, res)
2045
2046  res = false
2047  if true ? false : true
2048    res = true
2049  endif
2050  assert_equal(false, res)
2051
2052  res = false
2053  if false ? false : true
2054    res = true
2055  endif
2056  assert_equal(true, res)
2057
2058  res = false
2059  if false ? true : false
2060    res = true
2061  endif
2062  assert_equal(false, res)
2063
2064  res = false
2065  if has('xyz') ? true : false
2066    res = true
2067  endif
2068  assert_equal(false, res)
2069
2070  res = false
2071  if true && true
2072    res = true
2073  endif
2074  assert_equal(true, res)
2075
2076  res = false
2077  if true && false
2078    res = true
2079  endif
2080  assert_equal(false, res)
2081
2082  res = false
2083  if g:bool_true && false
2084    res = true
2085  endif
2086  assert_equal(false, res)
2087
2088  res = false
2089  if true && g:bool_false
2090    res = true
2091  endif
2092  assert_equal(false, res)
2093
2094  res = false
2095  if false && false
2096    res = true
2097  endif
2098  assert_equal(false, res)
2099
2100  res = false
2101  if true || false
2102    res = true
2103  endif
2104  assert_equal(true, res)
2105
2106  res = false
2107  if g:bool_true || false
2108    res = true
2109  endif
2110  assert_equal(true, res)
2111
2112  res = false
2113  if true || g:bool_false
2114    res = true
2115  endif
2116  assert_equal(true, res)
2117
2118  res = false
2119  if false || false
2120    res = true
2121  endif
2122  assert_equal(false, res)
2123
2124  # with constant "false" expression may be invalid so long as the syntax is OK
2125  if false | eval 0 | endif
2126  if false | eval burp + 234 | endif
2127  if false | echo burp 234 'asd' | endif
2128  if false
2129    burp
2130  endif
2131enddef
2132
2133def Test_if_const_expr_fails()
2134  CheckDefFailure(['if "aaa" == "bbb'], 'E114:')
2135  CheckDefFailure(["if 'aaa' == 'bbb"], 'E115:')
2136  CheckDefFailure(["if has('aaa'"], 'E110:')
2137  CheckDefFailure(["if has('aaa') ? true false"], 'E109:')
2138enddef
2139
2140def RunNested(i: number): number
2141  var x: number = 0
2142  if i % 2
2143    if 1
2144      # comment
2145    else
2146      # comment
2147    endif
2148    x += 1
2149  else
2150    x += 1000
2151  endif
2152  return x
2153enddef
2154
2155def Test_nested_if()
2156  assert_equal(1, RunNested(1))
2157  assert_equal(1000, RunNested(2))
2158enddef
2159
2160def Test_execute_cmd()
2161  # missing argument is ignored
2162  execute
2163  execute # comment
2164
2165  new
2166  setline(1, 'default')
2167  execute 'setline(1, "execute-string")'
2168  assert_equal('execute-string', getline(1))
2169
2170  execute "setline(1, 'execute-string')"
2171  assert_equal('execute-string', getline(1))
2172
2173  var cmd1 = 'setline(1,'
2174  var cmd2 = '"execute-var")'
2175  execute cmd1 cmd2 # comment
2176  assert_equal('execute-var', getline(1))
2177
2178  execute cmd1 cmd2 '|setline(1, "execute-var-string")'
2179  assert_equal('execute-var-string', getline(1))
2180
2181  var cmd_first = 'call '
2182  var cmd_last = 'setline(1, "execute-var-var")'
2183  execute cmd_first .. cmd_last
2184  assert_equal('execute-var-var', getline(1))
2185  bwipe!
2186
2187  var n = true
2188  execute 'echomsg' (n ? '"true"' : '"no"')
2189  assert_match('^true$', Screenline(&lines))
2190
2191  echomsg [1, 2, 3] {a: 1, b: 2}
2192  assert_match('^\[1, 2, 3\] {''a'': 1, ''b'': 2}$', Screenline(&lines))
2193
2194  CheckDefFailure(['execute xxx'], 'E1001:', 1)
2195  CheckDefExecFailure(['execute "tabnext " .. 8'], 'E475:', 1)
2196  CheckDefFailure(['execute "cmd"# comment'], 'E488:', 1)
2197enddef
2198
2199def Test_execute_cmd_vimscript()
2200  # only checks line continuation
2201  var lines =<< trim END
2202      vim9script
2203      execute 'g:someVar'
2204                .. ' = ' ..
2205                   '28'
2206      assert_equal(28, g:someVar)
2207      unlet g:someVar
2208  END
2209  CheckScriptSuccess(lines)
2210enddef
2211
2212def Test_echo_cmd()
2213  echo 'some' # comment
2214  echon 'thing'
2215  assert_match('^something$', Screenline(&lines))
2216
2217  echo "some" # comment
2218  echon "thing"
2219  assert_match('^something$', Screenline(&lines))
2220
2221  var str1 = 'some'
2222  var str2 = 'more'
2223  echo str1 str2
2224  assert_match('^some more$', Screenline(&lines))
2225
2226  CheckDefFailure(['echo "xxx"# comment'], 'E488:')
2227enddef
2228
2229def Test_echomsg_cmd()
2230  echomsg 'some' 'more' # comment
2231  assert_match('^some more$', Screenline(&lines))
2232  echo 'clear'
2233  :1messages
2234  assert_match('^some more$', Screenline(&lines))
2235
2236  CheckDefFailure(['echomsg "xxx"# comment'], 'E488:')
2237enddef
2238
2239def Test_echomsg_cmd_vimscript()
2240  # only checks line continuation
2241  var lines =<< trim END
2242      vim9script
2243      echomsg 'here'
2244                .. ' is ' ..
2245                   'a message'
2246      assert_match('^here is a message$', Screenline(&lines))
2247  END
2248  CheckScriptSuccess(lines)
2249enddef
2250
2251def Test_echoerr_cmd()
2252  try
2253    echoerr 'something' 'wrong' # comment
2254  catch
2255    assert_match('something wrong', v:exception)
2256  endtry
2257enddef
2258
2259def Test_echoerr_cmd_vimscript()
2260  # only checks line continuation
2261  var lines =<< trim END
2262      vim9script
2263      try
2264        echoerr 'this'
2265                .. ' is ' ..
2266                   'wrong'
2267      catch
2268        assert_match('this is wrong', v:exception)
2269      endtry
2270  END
2271  CheckScriptSuccess(lines)
2272enddef
2273
2274def Test_for_outside_of_function()
2275  var lines =<< trim END
2276    vim9script
2277    new
2278    for var in range(0, 3)
2279      append(line('$'), var)
2280    endfor
2281    assert_equal(['', '0', '1', '2', '3'], getline(1, '$'))
2282    bwipe!
2283
2284    var result = ''
2285    for i in [1, 2, 3]
2286      var loop = ' loop ' .. i
2287      result ..= loop
2288    endfor
2289    assert_equal(' loop 1 loop 2 loop 3', result)
2290  END
2291  writefile(lines, 'Xvim9for.vim')
2292  source Xvim9for.vim
2293  delete('Xvim9for.vim')
2294enddef
2295
2296def Test_for_loop()
2297  var result = ''
2298  for cnt in range(7)
2299    if cnt == 4
2300      break
2301    endif
2302    if cnt == 2
2303      continue
2304    endif
2305    result ..= cnt .. '_'
2306  endfor
2307  assert_equal('0_1_3_', result)
2308
2309  var concat = ''
2310  for str in eval('["one", "two"]')
2311    concat ..= str
2312  endfor
2313  assert_equal('onetwo', concat)
2314
2315  var total = 0
2316  for nr in
2317      [1, 2, 3]
2318    total += nr
2319  endfor
2320  assert_equal(6, total)
2321
2322  total = 0
2323  for nr
2324    in [1, 2, 3]
2325    total += nr
2326  endfor
2327  assert_equal(6, total)
2328
2329  total = 0
2330  for nr
2331    in
2332    [1, 2, 3]
2333    total += nr
2334  endfor
2335  assert_equal(6, total)
2336
2337  var res = ""
2338  for [n: number, s: string] in [[1, 'a'], [2, 'b']]
2339    res ..= n .. s
2340  endfor
2341  assert_equal('1a2b', res)
2342
2343  # loop over string
2344  res = ''
2345  for c in 'aéc̀d'
2346    res ..= c .. '-'
2347  endfor
2348  assert_equal('a-é-c̀-d-', res)
2349
2350  res = ''
2351  for c in ''
2352    res ..= c .. '-'
2353  endfor
2354  assert_equal('', res)
2355
2356  res = ''
2357  for c in test_null_string()
2358    res ..= c .. '-'
2359  endfor
2360  assert_equal('', res)
2361enddef
2362
2363def Test_for_loop_fails()
2364  CheckDefFailure(['for '], 'E1097:')
2365  CheckDefFailure(['for x'], 'E1097:')
2366  CheckDefFailure(['for x in'], 'E1097:')
2367  CheckDefFailure(['for # in range(5)'], 'E690:')
2368  CheckDefFailure(['for i In range(5)'], 'E690:')
2369  CheckDefFailure(['var x = 5', 'for x in range(5)'], 'E1017:')
2370  CheckScriptFailure(['def Func(arg: any)', 'for arg in range(5)', 'enddef', 'defcompile'], 'E1006:')
2371  delfunc! g:Func
2372  CheckDefFailure(['for i in xxx'], 'E1001:')
2373  CheckDefFailure(['endfor'], 'E588:')
2374  CheckDefFailure(['for i in range(3)', 'echo 3'], 'E170:')
2375
2376  # wrong type detected at compile time
2377  CheckDefFailure(['for i in {a: 1}', 'echo 3', 'endfor'], 'E1177: For loop on dict not supported')
2378
2379  # wrong type detected at runtime
2380  g:adict = {a: 1}
2381  CheckDefExecFailure(['for i in g:adict', 'echo 3', 'endfor'], 'E1177: For loop on dict not supported')
2382  unlet g:adict
2383enddef
2384
2385def Test_for_loop_script_var()
2386  # cannot use s:var in a :def function
2387  CheckDefFailure(['for s:var in range(3)', 'echo 3'], 'E1101:')
2388
2389  # can use s:var in Vim9 script, with or without s:
2390  var lines =<< trim END
2391    vim9script
2392    var total = 0
2393    for s:var in [1, 2, 3]
2394      total += s:var
2395    endfor
2396    assert_equal(6, total)
2397
2398    total = 0
2399    for var in [1, 2, 3]
2400      total += var
2401    endfor
2402    assert_equal(6, total)
2403  END
2404enddef
2405
2406def Test_for_loop_unpack()
2407  var lines =<< trim END
2408      var result = []
2409      for [v1, v2] in [[1, 2], [3, 4]]
2410        result->add(v1)
2411        result->add(v2)
2412      endfor
2413      assert_equal([1, 2, 3, 4], result)
2414
2415      result = []
2416      for [v1, v2; v3] in [[1, 2], [3, 4, 5, 6]]
2417        result->add(v1)
2418        result->add(v2)
2419        result->add(v3)
2420      endfor
2421      assert_equal([1, 2, [], 3, 4, [5, 6]], result)
2422
2423      result = []
2424      for [&ts, &sw] in [[1, 2], [3, 4]]
2425        result->add(&ts)
2426        result->add(&sw)
2427      endfor
2428      assert_equal([1, 2, 3, 4], result)
2429
2430      var slist: list<string>
2431      for [$LOOPVAR, @r, v:errmsg] in [['a', 'b', 'c'], ['d', 'e', 'f']]
2432        slist->add($LOOPVAR)
2433        slist->add(@r)
2434        slist->add(v:errmsg)
2435      endfor
2436      assert_equal(['a', 'b', 'c', 'd', 'e', 'f'], slist)
2437
2438      slist = []
2439      for [g:globalvar, b:bufvar, w:winvar, t:tabvar] in [['global', 'buf', 'win', 'tab'], ['1', '2', '3', '4']]
2440        slist->add(g:globalvar)
2441        slist->add(b:bufvar)
2442        slist->add(w:winvar)
2443        slist->add(t:tabvar)
2444      endfor
2445      assert_equal(['global', 'buf', 'win', 'tab', '1', '2', '3', '4'], slist)
2446      unlet! g:globalvar b:bufvar w:winvar t:tabvar
2447  END
2448  CheckDefAndScriptSuccess(lines)
2449
2450  lines =<< trim END
2451      for [v1, v2] in [[1, 2, 3], [3, 4]]
2452        echo v1 v2
2453      endfor
2454  END
2455  CheckDefExecFailure(lines, 'E710:', 1)
2456
2457  lines =<< trim END
2458      for [v1, v2] in [[1], [3, 4]]
2459        echo v1 v2
2460      endfor
2461  END
2462  CheckDefExecFailure(lines, 'E711:', 1)
2463
2464  lines =<< trim END
2465      for [v1, v1] in [[1, 2], [3, 4]]
2466        echo v1
2467      endfor
2468  END
2469  CheckDefExecFailure(lines, 'E1017:', 1)
2470enddef
2471
2472def Test_for_loop_with_try_continue()
2473  var looped = 0
2474  var cleanup = 0
2475  for i in range(3)
2476    looped += 1
2477    try
2478      eval [][0]
2479    catch
2480      continue
2481    finally
2482      cleanup += 1
2483    endtry
2484  endfor
2485  assert_equal(3, looped)
2486  assert_equal(3, cleanup)
2487enddef
2488
2489def Test_while_loop()
2490  var result = ''
2491  var cnt = 0
2492  while cnt < 555
2493    if cnt == 3
2494      break
2495    endif
2496    cnt += 1
2497    if cnt == 2
2498      continue
2499    endif
2500    result ..= cnt .. '_'
2501  endwhile
2502  assert_equal('1_3_', result)
2503
2504  var s = ''
2505  while s == 'x' # {comment}
2506  endwhile
2507enddef
2508
2509def Test_while_loop_fails()
2510  CheckDefFailure(['while xxx'], 'E1001:')
2511  CheckDefFailure(['endwhile'], 'E588:')
2512  CheckDefFailure(['continue'], 'E586:')
2513  CheckDefFailure(['if true', 'continue'], 'E586:')
2514  CheckDefFailure(['break'], 'E587:')
2515  CheckDefFailure(['if true', 'break'], 'E587:')
2516  CheckDefFailure(['while 1', 'echo 3'], 'E170:')
2517
2518  var lines =<< trim END
2519      var s = ''
2520      while s = ''
2521      endwhile
2522  END
2523  CheckDefFailure(lines, 'E488:')
2524enddef
2525
2526def Test_interrupt_loop()
2527  var caught = false
2528  var x = 0
2529  try
2530    while 1
2531      x += 1
2532      if x == 100
2533        feedkeys("\<C-C>", 'Lt')
2534      endif
2535    endwhile
2536  catch
2537    caught = true
2538    assert_equal(100, x)
2539  endtry
2540  assert_true(caught, 'should have caught an exception')
2541  # consume the CTRL-C
2542  getchar(0)
2543enddef
2544
2545def Test_automatic_line_continuation()
2546  var mylist = [
2547      'one',
2548      'two',
2549      'three',
2550      ] # comment
2551  assert_equal(['one', 'two', 'three'], mylist)
2552
2553  var mydict = {
2554      ['one']: 1,
2555      ['two']: 2,
2556      ['three']:
2557          3,
2558      } # comment
2559  assert_equal({one: 1, two: 2, three: 3}, mydict)
2560  mydict = {
2561      one: 1,  # comment
2562      two:     # comment
2563           2,  # comment
2564      three: 3 # comment
2565      }
2566  assert_equal({one: 1, two: 2, three: 3}, mydict)
2567  mydict = {
2568      one: 1,
2569      two:
2570           2,
2571      three: 3
2572      }
2573  assert_equal({one: 1, two: 2, three: 3}, mydict)
2574
2575  assert_equal(
2576        ['one', 'two', 'three'],
2577        split('one two three')
2578        )
2579enddef
2580
2581def Test_vim9_comment()
2582  CheckScriptSuccess([
2583      'vim9script',
2584      '# something',
2585      '#something',
2586      '#{something',
2587      ])
2588
2589  split Xfile
2590  CheckScriptSuccess([
2591      'vim9script',
2592      'edit #something',
2593      ])
2594  CheckScriptSuccess([
2595      'vim9script',
2596      'edit #{something',
2597      ])
2598  close
2599
2600  CheckScriptFailure([
2601      'vim9script',
2602      ':# something',
2603      ], 'E488:')
2604  CheckScriptFailure([
2605      '# something',
2606      ], 'E488:')
2607  CheckScriptFailure([
2608      ':# something',
2609      ], 'E488:')
2610
2611  { # block start
2612  } # block end
2613  CheckDefFailure([
2614      '{# comment',
2615      ], 'E488:')
2616  CheckDefFailure([
2617      '{',
2618      '}# comment',
2619      ], 'E488:')
2620
2621  echo "yes" # comment
2622  CheckDefFailure([
2623      'echo "yes"# comment',
2624      ], 'E488:')
2625  CheckScriptSuccess([
2626      'vim9script',
2627      'echo "yes" # something',
2628      ])
2629  CheckScriptFailure([
2630      'vim9script',
2631      'echo "yes"# something',
2632      ], 'E121:')
2633  CheckScriptFailure([
2634      'vim9script',
2635      'echo# something',
2636      ], 'E1144:')
2637  CheckScriptFailure([
2638      'echo "yes" # something',
2639      ], 'E121:')
2640
2641  exe "echo" # comment
2642  CheckDefFailure([
2643      'exe "echo"# comment',
2644      ], 'E488:')
2645  CheckScriptSuccess([
2646      'vim9script',
2647      'exe "echo" # something',
2648      ])
2649  CheckScriptFailure([
2650      'vim9script',
2651      'exe "echo"# something',
2652      ], 'E121:')
2653  CheckScriptFailure([
2654      'vim9script',
2655      'exe# something',
2656      ], 'E1144:')
2657  CheckScriptFailure([
2658      'exe "echo" # something',
2659      ], 'E121:')
2660
2661  CheckDefFailure([
2662      'try# comment',
2663      '  echo "yes"',
2664      'catch',
2665      'endtry',
2666      ], 'E1144:')
2667  CheckScriptFailure([
2668      'vim9script',
2669      'try# comment',
2670      'echo "yes"',
2671      ], 'E1144:')
2672  CheckDefFailure([
2673      'try',
2674      '  throw#comment',
2675      'catch',
2676      'endtry',
2677      ], 'E1144:')
2678  CheckDefFailure([
2679      'try',
2680      '  throw "yes"#comment',
2681      'catch',
2682      'endtry',
2683      ], 'E488:')
2684  CheckDefFailure([
2685      'try',
2686      '  echo "yes"',
2687      'catch# comment',
2688      'endtry',
2689      ], 'E1144:')
2690  CheckScriptFailure([
2691      'vim9script',
2692      'try',
2693      '  echo "yes"',
2694      'catch# comment',
2695      'endtry',
2696      ], 'E1144:')
2697  CheckDefFailure([
2698      'try',
2699      '  echo "yes"',
2700      'catch /pat/# comment',
2701      'endtry',
2702      ], 'E488:')
2703  CheckDefFailure([
2704      'try',
2705      'echo "yes"',
2706      'catch',
2707      'endtry# comment',
2708      ], 'E1144:')
2709  CheckScriptFailure([
2710      'vim9script',
2711      'try',
2712      '  echo "yes"',
2713      'catch',
2714      'endtry# comment',
2715      ], 'E1144:')
2716
2717  CheckScriptSuccess([
2718      'vim9script',
2719      'hi # comment',
2720      ])
2721  CheckScriptFailure([
2722      'vim9script',
2723      'hi# comment',
2724      ], 'E1144:')
2725  CheckScriptSuccess([
2726      'vim9script',
2727      'hi Search # comment',
2728      ])
2729  CheckScriptFailure([
2730      'vim9script',
2731      'hi Search# comment',
2732      ], 'E416:')
2733  CheckScriptSuccess([
2734      'vim9script',
2735      'hi link This Search # comment',
2736      ])
2737  CheckScriptFailure([
2738      'vim9script',
2739      'hi link This That# comment',
2740      ], 'E413:')
2741  CheckScriptSuccess([
2742      'vim9script',
2743      'hi clear This # comment',
2744      'hi clear # comment',
2745      ])
2746  # not tested, because it doesn't give an error but a warning:
2747  # hi clear This# comment',
2748  CheckScriptFailure([
2749      'vim9script',
2750      'hi clear# comment',
2751      ], 'E416:')
2752
2753  CheckScriptSuccess([
2754      'vim9script',
2755      'hi Group term=bold',
2756      'match Group /todo/ # comment',
2757      ])
2758  CheckScriptFailure([
2759      'vim9script',
2760      'hi Group term=bold',
2761      'match Group /todo/# comment',
2762      ], 'E488:')
2763  CheckScriptSuccess([
2764      'vim9script',
2765      'match # comment',
2766      ])
2767  CheckScriptFailure([
2768      'vim9script',
2769      'match# comment',
2770      ], 'E1144:')
2771  CheckScriptSuccess([
2772      'vim9script',
2773      'match none # comment',
2774      ])
2775  CheckScriptFailure([
2776      'vim9script',
2777      'match none# comment',
2778      ], 'E475:')
2779
2780  CheckScriptSuccess([
2781      'vim9script',
2782      'menutrans clear # comment',
2783      ])
2784  CheckScriptFailure([
2785      'vim9script',
2786      'menutrans clear# comment text',
2787      ], 'E474:')
2788
2789  CheckScriptSuccess([
2790      'vim9script',
2791      'syntax clear # comment',
2792      ])
2793  CheckScriptFailure([
2794      'vim9script',
2795      'syntax clear# comment text',
2796      ], 'E28:')
2797  CheckScriptSuccess([
2798      'vim9script',
2799      'syntax keyword Word some',
2800      'syntax clear Word # comment',
2801      ])
2802  CheckScriptFailure([
2803      'vim9script',
2804      'syntax keyword Word some',
2805      'syntax clear Word# comment text',
2806      ], 'E28:')
2807
2808  CheckScriptSuccess([
2809      'vim9script',
2810      'syntax list # comment',
2811      ])
2812  CheckScriptFailure([
2813      'vim9script',
2814      'syntax list# comment text',
2815      ], 'E28:')
2816
2817  CheckScriptSuccess([
2818      'vim9script',
2819      'syntax match Word /pat/ oneline # comment',
2820      ])
2821  CheckScriptFailure([
2822      'vim9script',
2823      'syntax match Word /pat/ oneline# comment',
2824      ], 'E475:')
2825
2826  CheckScriptSuccess([
2827      'vim9script',
2828      'syntax keyword Word word # comm[ent',
2829      ])
2830  CheckScriptFailure([
2831      'vim9script',
2832      'syntax keyword Word word# comm[ent',
2833      ], 'E789:')
2834
2835  CheckScriptSuccess([
2836      'vim9script',
2837      'syntax match Word /pat/ # comment',
2838      ])
2839  CheckScriptFailure([
2840      'vim9script',
2841      'syntax match Word /pat/# comment',
2842      ], 'E402:')
2843
2844  CheckScriptSuccess([
2845      'vim9script',
2846      'syntax match Word /pat/ contains=Something # comment',
2847      ])
2848  CheckScriptFailure([
2849      'vim9script',
2850      'syntax match Word /pat/ contains=Something# comment',
2851      ], 'E475:')
2852  CheckScriptFailure([
2853      'vim9script',
2854      'syntax match Word /pat/ contains= # comment',
2855      ], 'E406:')
2856  CheckScriptFailure([
2857      'vim9script',
2858      'syntax match Word /pat/ contains=# comment',
2859      ], 'E475:')
2860
2861  CheckScriptSuccess([
2862      'vim9script',
2863      'syntax region Word start=/pat/ end=/pat/ # comment',
2864      ])
2865  CheckScriptFailure([
2866      'vim9script',
2867      'syntax region Word start=/pat/ end=/pat/# comment',
2868      ], 'E402:')
2869
2870  CheckScriptSuccess([
2871      'vim9script',
2872      'syntax sync # comment',
2873      ])
2874  CheckScriptFailure([
2875      'vim9script',
2876      'syntax sync# comment',
2877      ], 'E404:')
2878  CheckScriptSuccess([
2879      'vim9script',
2880      'syntax sync ccomment # comment',
2881      ])
2882  CheckScriptFailure([
2883      'vim9script',
2884      'syntax sync ccomment# comment',
2885      ], 'E404:')
2886
2887  CheckScriptSuccess([
2888      'vim9script',
2889      'syntax cluster Some contains=Word # comment',
2890      ])
2891  CheckScriptFailure([
2892      'vim9script',
2893      'syntax cluster Some contains=Word# comment',
2894      ], 'E475:')
2895
2896  CheckScriptSuccess([
2897      'vim9script',
2898      'command Echo echo # comment',
2899      'command Echo # comment',
2900      'delcommand Echo',
2901      ])
2902  CheckScriptFailure([
2903      'vim9script',
2904      'command Echo echo# comment',
2905      'Echo',
2906      ], 'E1144:')
2907  delcommand Echo
2908
2909  var curdir = getcwd()
2910  CheckScriptSuccess([
2911      'command Echo cd " comment',
2912      'Echo',
2913      'delcommand Echo',
2914      ])
2915  CheckScriptSuccess([
2916      'vim9script',
2917      'command Echo cd # comment',
2918      'Echo',
2919      'delcommand Echo',
2920      ])
2921  CheckScriptFailure([
2922      'vim9script',
2923      'command Echo cd " comment',
2924      'Echo',
2925      ], 'E344:')
2926  delcommand Echo
2927  chdir(curdir)
2928
2929  CheckScriptFailure([
2930      'vim9script',
2931      'command Echo# comment',
2932      ], 'E182:')
2933  CheckScriptFailure([
2934      'vim9script',
2935      'command Echo echo',
2936      'command Echo# comment',
2937      ], 'E182:')
2938  delcommand Echo
2939
2940  CheckScriptSuccess([
2941      'vim9script',
2942      'function # comment',
2943      ])
2944  CheckScriptFailure([
2945      'vim9script',
2946      'function " comment',
2947      ], 'E129:')
2948  CheckScriptFailure([
2949      'vim9script',
2950      'function# comment',
2951      ], 'E1144:')
2952  CheckScriptSuccess([
2953      'vim9script',
2954      'function CheckScriptSuccess # comment',
2955      ])
2956  CheckScriptFailure([
2957      'vim9script',
2958      'function CheckScriptSuccess# comment',
2959      ], 'E488:')
2960
2961  CheckScriptSuccess([
2962      'vim9script',
2963      'func g:DeleteMeA()',
2964      'endfunc',
2965      'delfunction g:DeleteMeA # comment',
2966      ])
2967  CheckScriptFailure([
2968      'vim9script',
2969      'func g:DeleteMeB()',
2970      'endfunc',
2971      'delfunction g:DeleteMeB# comment',
2972      ], 'E488:')
2973
2974  CheckScriptSuccess([
2975      'vim9script',
2976      'call execute("ls") # comment',
2977      ])
2978  CheckScriptFailure([
2979      'vim9script',
2980      'call execute("ls")# comment',
2981      ], 'E488:')
2982
2983  CheckScriptFailure([
2984      'def Test() " comment',
2985      'enddef',
2986      ], 'E488:')
2987  CheckScriptFailure([
2988      'vim9script',
2989      'def Test() " comment',
2990      'enddef',
2991      ], 'E488:')
2992
2993  CheckScriptSuccess([
2994      'func Test() " comment',
2995      'endfunc',
2996      'delfunc Test',
2997      ])
2998  CheckScriptSuccess([
2999      'vim9script',
3000      'func Test() " comment',
3001      'endfunc',
3002      ])
3003
3004  CheckScriptSuccess([
3005      'def Test() # comment',
3006      'enddef',
3007      ])
3008  CheckScriptFailure([
3009      'func Test() # comment',
3010      'endfunc',
3011      ], 'E488:')
3012enddef
3013
3014def Test_vim9_comment_gui()
3015  CheckCanRunGui
3016
3017  CheckScriptFailure([
3018      'vim9script',
3019      'gui#comment'
3020      ], 'E1144:')
3021  CheckScriptFailure([
3022      'vim9script',
3023      'gui -f#comment'
3024      ], 'E499:')
3025enddef
3026
3027def Test_vim9_comment_not_compiled()
3028  au TabEnter *.vim g:entered = 1
3029  au TabEnter *.x g:entered = 2
3030
3031  edit test.vim
3032  doautocmd TabEnter #comment
3033  assert_equal(1, g:entered)
3034
3035  doautocmd TabEnter f.x
3036  assert_equal(2, g:entered)
3037
3038  g:entered = 0
3039  doautocmd TabEnter f.x #comment
3040  assert_equal(2, g:entered)
3041
3042  assert_fails('doautocmd Syntax#comment', 'E216:')
3043
3044  au! TabEnter
3045  unlet g:entered
3046
3047  CheckScriptSuccess([
3048      'vim9script',
3049      'g:var = 123',
3050      'b:var = 456',
3051      'w:var = 777',
3052      't:var = 888',
3053      'unlet g:var w:var # something',
3054      ])
3055
3056  CheckScriptFailure([
3057      'vim9script',
3058      'let var = 123',
3059      ], 'E1126: Cannot use :let in Vim9 script')
3060
3061  CheckScriptFailure([
3062      'vim9script',
3063      'var g:var = 123',
3064      ], 'E1016: Cannot declare a global variable:')
3065
3066  CheckScriptFailure([
3067      'vim9script',
3068      'var b:var = 123',
3069      ], 'E1016: Cannot declare a buffer variable:')
3070
3071  CheckScriptFailure([
3072      'vim9script',
3073      'var w:var = 123',
3074      ], 'E1016: Cannot declare a window variable:')
3075
3076  CheckScriptFailure([
3077      'vim9script',
3078      'var t:var = 123',
3079      ], 'E1016: Cannot declare a tab variable:')
3080
3081  CheckScriptFailure([
3082      'vim9script',
3083      'var v:version = 123',
3084      ], 'E1016: Cannot declare a v: variable:')
3085
3086  CheckScriptFailure([
3087      'vim9script',
3088      'var $VARIABLE = "text"',
3089      ], 'E1016: Cannot declare an environment variable:')
3090
3091  CheckScriptFailure([
3092      'vim9script',
3093      'g:var = 123',
3094      'unlet g:var# comment1',
3095      ], 'E108:')
3096
3097  CheckScriptFailure([
3098      'let g:var = 123',
3099      'unlet g:var # something',
3100      ], 'E488:')
3101
3102  CheckScriptSuccess([
3103      'vim9script',
3104      'if 1 # comment2',
3105      '  echo "yes"',
3106      'elseif 2 #comment',
3107      '  echo "no"',
3108      'endif',
3109      ])
3110
3111  CheckScriptFailure([
3112      'vim9script',
3113      'if 1# comment3',
3114      '  echo "yes"',
3115      'endif',
3116      ], 'E15:')
3117
3118  CheckScriptFailure([
3119      'vim9script',
3120      'if 0 # comment4',
3121      '  echo "yes"',
3122      'elseif 2#comment',
3123      '  echo "no"',
3124      'endif',
3125      ], 'E15:')
3126
3127  CheckScriptSuccess([
3128      'vim9script',
3129      'var v = 1 # comment5',
3130      ])
3131
3132  CheckScriptFailure([
3133      'vim9script',
3134      'var v = 1# comment6',
3135      ], 'E15:')
3136
3137  CheckScriptSuccess([
3138      'vim9script',
3139      'new'
3140      'setline(1, ["# define pat", "last"])',
3141      ':$',
3142      'dsearch /pat/ #comment',
3143      'bwipe!',
3144      ])
3145
3146  CheckScriptFailure([
3147      'vim9script',
3148      'new'
3149      'setline(1, ["# define pat", "last"])',
3150      ':$',
3151      'dsearch /pat/#comment',
3152      'bwipe!',
3153      ], 'E488:')
3154
3155  CheckScriptFailure([
3156      'vim9script',
3157      'func! SomeFunc()',
3158      ], 'E477:')
3159enddef
3160
3161def Test_finish()
3162  var lines =<< trim END
3163    vim9script
3164    g:res = 'one'
3165    if v:false | finish | endif
3166    g:res = 'two'
3167    finish
3168    g:res = 'three'
3169  END
3170  writefile(lines, 'Xfinished')
3171  source Xfinished
3172  assert_equal('two', g:res)
3173
3174  unlet g:res
3175  delete('Xfinished')
3176enddef
3177
3178def Test_forward_declaration()
3179  var lines =<< trim END
3180    vim9script
3181    def GetValue(): string
3182      return theVal
3183    enddef
3184    var theVal = 'something'
3185    g:initVal = GetValue()
3186    theVal = 'else'
3187    g:laterVal = GetValue()
3188  END
3189  writefile(lines, 'Xforward')
3190  source Xforward
3191  assert_equal('something', g:initVal)
3192  assert_equal('else', g:laterVal)
3193
3194  unlet g:initVal
3195  unlet g:laterVal
3196  delete('Xforward')
3197enddef
3198
3199def Test_source_vim9_from_legacy()
3200  var vim9_lines =<< trim END
3201    vim9script
3202    var local = 'local'
3203    g:global = 'global'
3204    export var exported = 'exported'
3205    export def GetText(): string
3206       return 'text'
3207    enddef
3208  END
3209  writefile(vim9_lines, 'Xvim9_script.vim')
3210
3211  var legacy_lines =<< trim END
3212    source Xvim9_script.vim
3213
3214    call assert_false(exists('local'))
3215    call assert_false(exists('exported'))
3216    call assert_false(exists('s:exported'))
3217    call assert_equal('global', global)
3218    call assert_equal('global', g:global)
3219
3220    " imported variable becomes script-local
3221    import exported from './Xvim9_script.vim'
3222    call assert_equal('exported', s:exported)
3223    call assert_false(exists('exported'))
3224
3225    " imported function becomes script-local
3226    import GetText from './Xvim9_script.vim'
3227    call assert_equal('text', s:GetText())
3228    call assert_false(exists('*GetText'))
3229  END
3230  writefile(legacy_lines, 'Xlegacy_script.vim')
3231
3232  source Xlegacy_script.vim
3233  assert_equal('global', g:global)
3234  unlet g:global
3235
3236  delete('Xlegacy_script.vim')
3237  delete('Xvim9_script.vim')
3238enddef
3239
3240def Test_declare_script_in_func()
3241  var lines =<< trim END
3242      vim9script
3243      func Declare()
3244        let s:local = 123
3245      endfunc
3246      Declare()
3247      assert_equal(123, local)
3248
3249      var error: string
3250      try
3251        local = 'asdf'
3252      catch
3253        error = v:exception
3254      endtry
3255      assert_match('E1012: Type mismatch; expected number but got string', error)
3256
3257      lockvar local
3258      try
3259        local = 999
3260      catch
3261        error = v:exception
3262      endtry
3263      assert_match('E741: Value is locked: local', error)
3264  END
3265  CheckScriptSuccess(lines)
3266enddef
3267
3268
3269func Test_vim9script_not_global()
3270  " check that items defined in Vim9 script are script-local, not global
3271  let vim9lines =<< trim END
3272    vim9script
3273    var name = 'local'
3274    func TheFunc()
3275      echo 'local'
3276    endfunc
3277    def DefFunc()
3278      echo 'local'
3279    enddef
3280  END
3281  call writefile(vim9lines, 'Xvim9script.vim')
3282  source Xvim9script.vim
3283  try
3284    echo g:var
3285    assert_report('did not fail')
3286  catch /E121:/
3287    " caught
3288  endtry
3289  try
3290    call TheFunc()
3291    assert_report('did not fail')
3292  catch /E117:/
3293    " caught
3294  endtry
3295  try
3296    call DefFunc()
3297    assert_report('did not fail')
3298  catch /E117:/
3299    " caught
3300  endtry
3301
3302  call delete('Xvim9script.vim')
3303endfunc
3304
3305def Test_vim9_copen()
3306  # this was giving an error for setting w:quickfix_title
3307  copen
3308  quit
3309enddef
3310
3311" test using an auto-loaded function and variable
3312def Test_vim9_autoload()
3313  var lines =<< trim END
3314     vim9script
3315     def some#gettest(): string
3316       return 'test'
3317     enddef
3318     g:some#name = 'name'
3319
3320     def some#varargs(a1: string, ...l: list<string>): string
3321       return a1 .. l[0] .. l[1]
3322     enddef
3323  END
3324
3325  mkdir('Xdir/autoload', 'p')
3326  writefile(lines, 'Xdir/autoload/some.vim')
3327  var save_rtp = &rtp
3328  exe 'set rtp^=' .. getcwd() .. '/Xdir'
3329
3330  assert_equal('test', g:some#gettest())
3331  assert_equal('name', g:some#name)
3332  g:some#other = 'other'
3333  assert_equal('other', g:some#other)
3334
3335  assert_equal('abc', some#varargs('a', 'b', 'c'))
3336
3337  # upper case script name works
3338  lines =<< trim END
3339     vim9script
3340     def Other#getOther(): string
3341       return 'other'
3342     enddef
3343  END
3344  writefile(lines, 'Xdir/autoload/Other.vim')
3345  assert_equal('other', g:Other#getOther())
3346
3347  delete('Xdir', 'rf')
3348  &rtp = save_rtp
3349enddef
3350
3351" test using a vim9script that is auto-loaded from an autocmd
3352def Test_vim9_aucmd_autoload()
3353  var lines =<< trim END
3354     vim9script
3355     def foo#test()
3356         echomsg getreg('"')
3357     enddef
3358  END
3359
3360  mkdir('Xdir/autoload', 'p')
3361  writefile(lines, 'Xdir/autoload/foo.vim')
3362  var save_rtp = &rtp
3363  exe 'set rtp^=' .. getcwd() .. '/Xdir'
3364  augroup test
3365    autocmd TextYankPost * call foo#test()
3366  augroup END
3367
3368  normal Y
3369
3370  augroup test
3371    autocmd!
3372  augroup END
3373  delete('Xdir', 'rf')
3374  &rtp = save_rtp
3375enddef
3376
3377" This was causing a crash because suppress_errthrow wasn't reset.
3378def Test_vim9_autoload_error()
3379  var lines =<< trim END
3380      vim9script
3381      def crash#func()
3382          try
3383              for x in List()
3384              endfor
3385          catch
3386          endtry
3387          g:ok = true
3388      enddef
3389      fu List()
3390          invalid
3391      endfu
3392      try
3393          alsoinvalid
3394      catch /wontmatch/
3395      endtry
3396  END
3397  call mkdir('Xruntime/autoload', 'p')
3398  call writefile(lines, 'Xruntime/autoload/crash.vim')
3399
3400  # run in a separate Vim to avoid the side effects of assert_fails()
3401  lines =<< trim END
3402    exe 'set rtp^=' .. getcwd() .. '/Xruntime'
3403    call crash#func()
3404    call writefile(['ok'], 'Xdidit')
3405    qall!
3406  END
3407  writefile(lines, 'Xscript')
3408  RunVim([], [], '-S Xscript')
3409  assert_equal(['ok'], readfile('Xdidit'))
3410
3411  delete('Xdidit')
3412  delete('Xscript')
3413  delete('Xruntime', 'rf')
3414
3415  lines =<< trim END
3416    vim9script
3417    var foo#bar = 'asdf'
3418  END
3419  CheckScriptFailure(lines, 'E461: Illegal variable name: foo#bar', 2)
3420enddef
3421
3422def Test_script_var_in_autocmd()
3423  # using a script variable from an autocommand, defined in a :def function in a
3424  # legacy Vim script, cannot check the variable type.
3425  var lines =<< trim END
3426    let s:counter = 1
3427    def s:Func()
3428      au! CursorHold
3429      au CursorHold * s:counter += 1
3430    enddef
3431    call s:Func()
3432    doau CursorHold
3433    call assert_equal(2, s:counter)
3434    au! CursorHold
3435  END
3436  CheckScriptSuccess(lines)
3437enddef
3438
3439def Test_cmdline_win()
3440  # if the Vim syntax highlighting uses Vim9 constructs they can be used from
3441  # the command line window.
3442  mkdir('rtp/syntax', 'p')
3443  var export_lines =<< trim END
3444    vim9script
3445    export var That = 'yes'
3446  END
3447  writefile(export_lines, 'rtp/syntax/Xexport.vim')
3448  var import_lines =<< trim END
3449    vim9script
3450    import That from './Xexport.vim'
3451  END
3452  writefile(import_lines, 'rtp/syntax/vim.vim')
3453  var save_rtp = &rtp
3454  &rtp = getcwd() .. '/rtp' .. ',' .. &rtp
3455  syntax on
3456  augroup CmdWin
3457    autocmd CmdwinEnter * g:got_there = 'yes'
3458  augroup END
3459  # this will open and also close the cmdline window
3460  feedkeys('q:', 'xt')
3461  assert_equal('yes', g:got_there)
3462
3463  augroup CmdWin
3464    au!
3465  augroup END
3466  &rtp = save_rtp
3467  delete('rtp', 'rf')
3468enddef
3469
3470def Test_invalid_sid()
3471  assert_fails('func <SNR>1234_func', 'E123:')
3472
3473  if RunVim([], ['wq! Xdidit'], '+"func <SNR>1_func"')
3474    assert_equal([], readfile('Xdidit'))
3475  endif
3476  delete('Xdidit')
3477enddef
3478
3479def Test_restoring_cpo()
3480  writefile(['vim9script', 'set nocp'], 'Xsourced')
3481  writefile(['call writefile(["done"], "Xdone")', 'quit!'], 'Xclose')
3482  if RunVim([], [], '-u NONE +"set cpo+=a" -S Xsourced -S Xclose')
3483    assert_equal(['done'], readfile('Xdone'))
3484  endif
3485  delete('Xsourced')
3486  delete('Xclose')
3487  delete('Xdone')
3488
3489  writefile(['vim9script'], 'XanotherScript')
3490  set cpo=aABceFsMny>
3491  edit XanotherScript
3492  so %
3493  assert_equal('aABceFsMny>', &cpo)
3494  :1del
3495  w
3496  so %
3497  assert_equal('aABceFsMny>', &cpo)
3498
3499  delete('XanotherScript')
3500  set cpo&vim
3501enddef
3502
3503" Use :function so we can use Check commands
3504func Test_no_redraw_when_restoring_cpo()
3505  CheckScreendump
3506  CheckFeature timers
3507
3508  let lines =<< trim END
3509    vim9script
3510    def script#func()
3511    enddef
3512  END
3513  call mkdir('Xdir/autoload', 'p')
3514  call writefile(lines, 'Xdir/autoload/script.vim')
3515
3516  let lines =<< trim END
3517      vim9script
3518      set cpo+=M
3519      exe 'set rtp^=' .. getcwd() .. '/Xdir'
3520      au CmdlineEnter : ++once timer_start(0, () => script#func())
3521      setline(1, 'some text')
3522  END
3523  call writefile(lines, 'XTest_redraw_cpo')
3524  let buf = RunVimInTerminal('-S XTest_redraw_cpo', {'rows': 6})
3525  call term_sendkeys(buf, "V:")
3526  call VerifyScreenDump(buf, 'Test_vim9_no_redraw', {})
3527
3528  " clean up
3529  call term_sendkeys(buf, "\<Esc>u")
3530  call StopVimInTerminal(buf)
3531  call delete('XTest_redraw_cpo')
3532  call delete('Xdir', 'rf')
3533endfunc
3534
3535
3536def Test_unset_any_variable()
3537  var lines =<< trim END
3538    var name: any
3539    assert_equal(0, name)
3540  END
3541  CheckDefAndScriptSuccess(lines)
3542enddef
3543
3544func Test_define_func_at_command_line()
3545  CheckRunVimInTerminal
3546
3547  " call indirectly to avoid compilation error for missing functions
3548  call Run_Test_define_func_at_command_line()
3549endfunc
3550
3551def Run_Test_define_func_at_command_line()
3552  # run in a separate Vim instance to avoid the script context
3553  var lines =<< trim END
3554    func CheckAndQuit()
3555      call assert_fails('call Afunc()', 'E117: Unknown function: Bfunc')
3556      call writefile(['errors: ' .. string(v:errors)], 'Xdidcmd')
3557    endfunc
3558  END
3559  writefile([''], 'Xdidcmd')
3560  writefile(lines, 'XcallFunc')
3561  var buf = RunVimInTerminal('-S XcallFunc', {rows: 6})
3562  # define Afunc() on the command line
3563  term_sendkeys(buf, ":def Afunc()\<CR>Bfunc()\<CR>enddef\<CR>")
3564  term_sendkeys(buf, ":call CheckAndQuit()\<CR>")
3565  WaitForAssert(() => assert_equal(['errors: []'], readfile('Xdidcmd')))
3566
3567  call StopVimInTerminal(buf)
3568  delete('XcallFunc')
3569  delete('Xdidcmd')
3570enddef
3571
3572def Test_script_var_scope()
3573  var lines =<< trim END
3574      vim9script
3575      if true
3576        if true
3577          var one = 'one'
3578          echo one
3579        endif
3580        echo one
3581      endif
3582  END
3583  CheckScriptFailure(lines, 'E121:', 7)
3584
3585  lines =<< trim END
3586      vim9script
3587      if true
3588        if false
3589          var one = 'one'
3590          echo one
3591        else
3592          var one = 'one'
3593          echo one
3594        endif
3595        echo one
3596      endif
3597  END
3598  CheckScriptFailure(lines, 'E121:', 10)
3599
3600  lines =<< trim END
3601      vim9script
3602      while true
3603        var one = 'one'
3604        echo one
3605        break
3606      endwhile
3607      echo one
3608  END
3609  CheckScriptFailure(lines, 'E121:', 7)
3610
3611  lines =<< trim END
3612      vim9script
3613      for i in range(1)
3614        var one = 'one'
3615        echo one
3616      endfor
3617      echo one
3618  END
3619  CheckScriptFailure(lines, 'E121:', 6)
3620
3621  lines =<< trim END
3622      vim9script
3623      {
3624        var one = 'one'
3625        assert_equal('one', one)
3626      }
3627      assert_false(exists('one'))
3628      assert_false(exists('s:one'))
3629  END
3630  CheckScriptSuccess(lines)
3631
3632  lines =<< trim END
3633      vim9script
3634      {
3635        var one = 'one'
3636        echo one
3637      }
3638      echo one
3639  END
3640  CheckScriptFailure(lines, 'E121:', 6)
3641enddef
3642
3643def Test_catch_exception_in_callback()
3644  var lines =<< trim END
3645    vim9script
3646    def Callback(...l: any)
3647      try
3648        var x: string
3649        var y: string
3650        # this error should be caught with CHECKLEN
3651        [x, y] = ['']
3652      catch
3653        g:caught = 'yes'
3654      endtry
3655    enddef
3656    popup_menu('popup', {callback: Callback})
3657    feedkeys("\r", 'xt')
3658  END
3659  CheckScriptSuccess(lines)
3660
3661  unlet g:caught
3662enddef
3663
3664def Test_no_unknown_error_after_error()
3665  if !has('unix') || !has('job')
3666    throw 'Skipped: not unix of missing +job feature'
3667  endif
3668  var lines =<< trim END
3669      vim9script
3670      var source: list<number>
3671      def Out_cb(...l: any)
3672          eval [][0]
3673      enddef
3674      def Exit_cb(...l: any)
3675          sleep 1m
3676          source += l
3677      enddef
3678      var myjob = job_start('echo burp', {out_cb: Out_cb, exit_cb: Exit_cb, mode: 'raw'})
3679      while job_status(myjob) == 'run'
3680        sleep 10m
3681      endwhile
3682      # wait for Exit_cb() to be called
3683      sleep 100m
3684  END
3685  writefile(lines, 'Xdef')
3686  assert_fails('so Xdef', ['E684:', 'E1012:'])
3687  delete('Xdef')
3688enddef
3689
3690def InvokeNormal()
3691  exe "norm! :m+1\r"
3692enddef
3693
3694def Test_invoke_normal_in_visual_mode()
3695  xnoremap <F3> <Cmd>call <SID>InvokeNormal()<CR>
3696  new
3697  setline(1, ['aaa', 'bbb'])
3698  feedkeys("V\<F3>", 'xt')
3699  assert_equal(['bbb', 'aaa'], getline(1, 2))
3700  xunmap <F3>
3701enddef
3702
3703def Test_white_space_after_command()
3704  var lines =<< trim END
3705    exit_cb: Func})
3706  END
3707  CheckDefAndScriptFailure(lines, 'E1144:', 1)
3708
3709  lines =<< trim END
3710    e#
3711  END
3712  CheckDefAndScriptFailure(lines, 'E1144:', 1)
3713enddef
3714
3715def Test_script_var_gone_when_sourced_twice()
3716  var lines =<< trim END
3717      vim9script
3718      if exists('g:guard')
3719        finish
3720      endif
3721      g:guard = 1
3722      var name = 'thename'
3723      def g:GetName(): string
3724        return name
3725      enddef
3726      def g:SetName(arg: string)
3727        name = arg
3728      enddef
3729  END
3730  writefile(lines, 'XscriptTwice.vim')
3731  so XscriptTwice.vim
3732  assert_equal('thename', g:GetName())
3733  g:SetName('newname')
3734  assert_equal('newname', g:GetName())
3735  so XscriptTwice.vim
3736  assert_fails('call g:GetName()', 'E1149:')
3737  assert_fails('call g:SetName("x")', 'E1149:')
3738
3739  delfunc g:GetName
3740  delfunc g:SetName
3741  delete('XscriptTwice.vim')
3742  unlet g:guard
3743enddef
3744
3745def Test_import_gone_when_sourced_twice()
3746  var exportlines =<< trim END
3747      vim9script
3748      if exists('g:guard')
3749        finish
3750      endif
3751      g:guard = 1
3752      export var name = 'someName'
3753  END
3754  writefile(exportlines, 'XexportScript.vim')
3755
3756  var lines =<< trim END
3757      vim9script
3758      import name from './XexportScript.vim'
3759      def g:GetName(): string
3760        return name
3761      enddef
3762  END
3763  writefile(lines, 'XscriptImport.vim')
3764  so XscriptImport.vim
3765  assert_equal('someName', g:GetName())
3766
3767  so XexportScript.vim
3768  assert_fails('call g:GetName()', 'E1149:')
3769
3770  delfunc g:GetName
3771  delete('XexportScript.vim')
3772  delete('XscriptImport.vim')
3773  unlet g:guard
3774enddef
3775
3776def Test_unsupported_commands()
3777  var lines =<< trim END
3778      ka
3779  END
3780  CheckDefAndScriptFailure(lines, 'E1100:')
3781
3782  lines =<< trim END
3783      :1ka
3784  END
3785  CheckDefAndScriptFailure(lines, 'E481:')
3786
3787  lines =<< trim END
3788    t
3789  END
3790  CheckDefFailure(lines, 'E1100:')
3791  CheckScriptFailure(['vim9script'] + lines, 'E1100:')
3792
3793  lines =<< trim END
3794    x
3795  END
3796  CheckDefFailure(lines, 'E1100:')
3797  CheckScriptFailure(['vim9script'] + lines, 'E1100:')
3798
3799  lines =<< trim END
3800    xit
3801  END
3802  CheckDefFailure(lines, 'E1100:')
3803  CheckScriptFailure(['vim9script'] + lines, 'E1100:')
3804enddef
3805
3806" Keep this last, it messes up highlighting.
3807def Test_substitute_cmd()
3808  new
3809  setline(1, 'something')
3810  :substitute(some(other(
3811  assert_equal('otherthing', getline(1))
3812  bwipe!
3813
3814  # also when the context is Vim9 script
3815  var lines =<< trim END
3816    vim9script
3817    new
3818    setline(1, 'something')
3819    :substitute(some(other(
3820    assert_equal('otherthing', getline(1))
3821    bwipe!
3822  END
3823  writefile(lines, 'Xvim9lines')
3824  source Xvim9lines
3825
3826  delete('Xvim9lines')
3827enddef
3828
3829" vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker
3830