zsh-workers
 help / color / mirror / code / Atom feed
4aebd92b75a33c5ebac20372de756c577772aa7a blob 17256 bytes (raw)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
 
# Tests for both trap builtin and TRAP* functions.

%prep

  setopt localtraps
  mkdir traps.tmp && cd traps.tmp

%test

  fn1() {
    trap 'print EXIT1' EXIT
    fn2() { trap 'print EXIT2' EXIT; }
    fn2
  }
  fn1
0:Nested `trap ... EXIT'
>EXIT2
>EXIT1

  fn1() {
    TRAPEXIT() { print EXIT1; }
    fn2() { TRAPEXIT() { print EXIT2; }; }
    fn2
  }
  fn1
0: Nested TRAPEXIT
>EXIT2
>EXIT1

  fn1() {
    trap 'print EXIT1' EXIT
    fn2() { trap - EXIT; }
    fn2
  }
  fn1
0:Nested `trap - EXIT' on `trap ... EXIT'
>EXIT1

  fn1() {
    TRAPEXIT() { print EXIT1; }
    fn2() { trap - EXIT; }
    fn2
  }
  fn1
0:Nested `trap - EXIT' on `TRAPEXIT'
>EXIT1

# We can't test an EXIT trap for the shell as a whole, because
# we're inside a function scope which we don't leave when the
# subshell exits.  Not sure if that's the correct behaviour, but
# it's sort of consistent.
  ( fn1() { trap 'print Function 1 going' EXIT; exit; print Not reached; }
    fn2() { trap 'print Function 2 going' EXIT; fn1; print Not reached; }
    fn2
  )
0:EXIT traps on functions when exiting from function
>Function 1 going
>Function 2 going

# $ZTST_exe is relative to the parent directory.
# We ought to fix this in ztst.zsh...
  (cd ..
  $ZTST_exe -fc 'TRAPEXIT() { print Exited.; }')
0:EXIT traps on a script
>Exited.

  trap -
  trap
  trap int INT
  trap sigterm SIGTERM
  trap quit 3
  trap
0: Outputting traps correctly
>trap -- int INT
>trap -- quit QUIT
>trap -- sigterm TERM

  fn1() {
    trap -
    trap
    trap 'print INT1' INT
    fn2() { trap 'print INT2' INT; trap; }
    trap
    fn2
    trap
  }
  fn1
0: Nested `trap ... INT', not triggered
>trap -- 'print INT1' INT
>trap -- 'print INT2' INT
>trap -- 'print INT1' INT

   fn1() {
    trap -
    trap
    TRAPINT() { print INT1; }
    fn2() { TRAPINT() { print INT2; }; trap; }
    trap
    fn2
    trap
  }
  fn1
0: Nested TRAPINT, not triggered
>TRAPINT () {
>	print INT1
>}
>TRAPINT () {
>	print INT2
>}
>TRAPINT () {
>	print INT1
>}

  fn1() {
    trap -
    trap 'print INT1' INT
    fn2() { trap - INT; trap; }
    trap
    fn2
    trap
  }
  fn1
0: Nested `trap - INT' on untriggered `trap ... INT'
>trap -- 'print INT1' INT
>trap -- 'print INT1' INT

# Testing the triggering of traps here is very unpleasant.
# The delays are attempts to avoid race conditions, though there is
# no guarantee that they will work.  Note the subtlety that the
# `sleep' in the function which receives the trap does *not* get the
# signal, only the parent shell, which is waiting for a SIGCHILD.
# (At least, that's what I think is happening.) Thus we have to wait at
# least the full two seconds to make sure we have got the output from the
# execution of the trap.

  print -u $ZTST_fd 'This test takes at least three seconds...'
  fn1() {
    trap 'print TERM1' TERM
    fn2() { trap 'print TERM2; return 1' TERM; sleep 2; }
    fn2 &
    sleep 1
    kill -TERM $!
    sleep 2
  }
  fn1
0: Nested `trap ... TERM', triggered on inner loop
>TERM2

  print -u $ZTST_fd 'This test, too, takes at least three seconds...'
  fn1() {
    trap 'print TERM1; return 1' TERM
    fn2() { trap 'print TERM2; return 1' TERM; }
    fn2
    sleep 2
  }
  fn1 &
  sleep 1
  kill -TERM $!
  sleep 2
0: Nested `trap ... TERM', triggered on outer loop
>TERM1

  TRAPZERR() { print error activated; }
  fn() { print start of fn; false; print end of fn; }
  fn
  fn() {
    setopt localoptions localtraps
    unfunction TRAPZERR
    print start of fn
    false
    print end of fn
  }
  fn
  unfunction TRAPZERR
  print finish
0: basic localtraps handling
>start of fn
>error activated
>end of fn
>start of fn
>end of fn
>finish

  TRAPZERR() { print 'ERR-or!'; }
  f() { print f; false; }
  t() { print t; }
  f
  f && t
  t && f && true
  t && f
  testunset() {
    setopt localtraps
    unset -f TRAPZERR
    print testunset
    false
    true
  }
  testunset
  f
  print status $?
  unfunction TRAPZERR
0: more sophisticated error trapping
>f
>ERR-or!
>f
>t
>f
>t
>f
>ERR-or!
>testunset
>f
>ERR-or!
>status 1

  f() {
    setopt localtraps
    TRAPWINCH() { print "Window changed.  That wrecked the test."; }
  }
  f
  f
  functions TRAPWINCH
1:Unsetting ordinary traps with localtraps.

#
# Returns from within traps are a perennial problem.
# The following two apply to returns in and around standard
# ksh-style traps.  The intention is that a return value from
# within the function is preserved (i.e. statuses set by the trap
# are ignored) unless the trap explicitly executes `return', which makes
# it return from the enclosing function.
#
  fn() { trap 'true' EXIT; return 1; }
  fn
1: ksh-style EXIT traps preserve return value

  inner() { trap 'return 3' EXIT; return 2; }
  outer() { inner; return 1; }
  outer
3: ksh-style EXIT traps can force return status of enclosing function

# Autoloaded traps are horrid, but unfortunately people expect
# them to work if we support them.
  echo "print Running exit trap" >TRAPEXIT
  ${${ZTST_exe##[^/]*}:-$ZTST_testdir/$ZTST_exe} -fc '
    fpath=(. $fpath)
    autoload TRAPEXIT
    print "Exiting, attempt 1"
    exit
    print "What?"
  '
  ${${ZTST_exe##[^/]*}:-$ZTST_testdir/$ZTST_exe} -fc '
    fpath=(. $fpath)
    autoload TRAPEXIT;
    fn() { print Some function }
    fn
    print "Exiting, attempt 2"
    exit
  '
0: autoloaded TRAPEXIT (exit status > 128 indicates an old bug is back)
>Exiting, attempt 1
>Running exit trap
>Some function
>Exiting, attempt 2
>Running exit trap

  print -u $ZTST_fd Another test that takes three seconds
  gotsig=0
  signal_handler() {
   echo "parent received signal"
   gotsig=1
  }
  child() {
   sleep 1
   echo "child sending signal"
   kill -15 $parentpid
   sleep 2
   echo "child exiting" 
   exit 33
  } 
  parentpid=$$
  child &
  childpid=$!
  trap signal_handler 15
  echo "parent waiting"
  wait $childpid
  cstatus=$?
  echo "wait #1 finished, gotsig=$gotsig, status=$cstatus"
  gotsig=0
  wait $childpid
  cstatus=$?
  echo "wait #2 finished, gotsig=$gotsig, status=$cstatus"
0:waiting for trapped signal
>parent waiting
>child sending signal
>parent received signal
>wait #1 finished, gotsig=1, status=143
>child exiting
>wait #2 finished, gotsig=0, status=33

  fn1() {
    setopt errexit
    trap 'echo error1' ZERR
    false
    print Shouldn\'t get here 1a
  }
  fn2() {
    setopt errexit
    trap 'echo error2' ZERR
    return 1
    print Shouldn\'t get here 2a
  }
  fn3() {
    setopt errexit
    TRAPZERR() { echo error3; }
    false
    print Shouldn\'t get here 3a
  }
  fn4() {
    setopt errexit
    TRAPZERR() { echo error4; }
    return 1
    print Shouldn\'t get here 4a
  }
  (fn1; print Shouldn\'t get here 1b)
  (fn2; print Shouldn\'t get here 2b)
  (fn3; print Shouldn\'t get here 3b)
  (fn4; print Shouldn\'t get here 4b)
1: Combination of ERR_EXIT and ZERR trap
>error1
>error2
>error3
>error4

   fn1() { TRAPZERR() { print trap; return 42; }; false; print Broken; }
   (fn1)
   print Working $?
0: Force return of containing function from TRAPZERR.
>trap
>Working 42

   fn2() { trap 'print trap; return 42' ZERR; false; print Broken }
   (fn2)
   print Working $?
0: Return with non-zero status triggered from within trap '...' ZERR.
>trap
>Working 42

   fn3() { TRAPZERR() { print trap; return 0; }; false; print OK this time; }
   (fn3)
   print Working $?
0: Normal return from TRAPZERR.
>trap
>OK this time
>Working 0

   fn4() { trap 'print trap; return 0' ZERR; false; print Broken; }
   (fn4)
   print Working $?
0: Return with zero status triggered from within trap '...' ZERR.
>trap
>Working 0

   { trap 'echo This subshell is exiting' EXIT; } | cat
0: EXIT trap set in current shell at left of pipeline
>This subshell is exiting

   ( trap 'echo This subshell is also exiting' EXIT; ) | cat
0: EXIT trap set in subshell at left of pipeline
>This subshell is also exiting

   ( trap 'echo Should only appear once at the end' EXIT
     ( : trap reset here ) | cat
     : trap not reset but not part of shell command list | cat
     echo nothing after this should appear $( : trap reset here too)
   )
0: EXIT trap set in subshell reset in subsubshell
>nothing after this should appear
>Should only appear once at the end

   echo $( trap 'echo command substitution exited' EXIT )
0: EXIT trap set in command substitution
>command substitution exited

   (cd ..; $ZTST_exe -fc 'setopt posixtraps;
   TRAPEXIT() { print Exited; }
   fn1() { trap; }
   setopt localtraps # should be ignored by EXIT
   fn2() { TRAPEXIT() { print No, really exited; } }
   fn1
   fn2
   fn1')
0:POSIX_TRAPS option
>TRAPEXIT () {
>	print Exited
>}
>TRAPEXIT () {
>	print No, really exited
>}
>No, really exited

   (cd ..; $ZTST_exe -fc 'unsetopt posixtraps;
   echo start program
   emulate sh -c '\''testfn() {
     echo start function
     set -o | grep posixtraps
     trap "echo EXIT TRAP TRIGGERED" EXIT
     echo end function
   }'\''
   testfn
   echo program continuing
   echo end of program')
0:POSIX_TRAPS effect on EXIT trap is sticky
>start program
>start function
>noposixtraps          off
>end function
>program continuing
>end of program
>EXIT TRAP TRIGGERED

   (cd ..; $ZTST_exe -fc '
     echo entering program
     emulate sh -c '\''trap "echo POSIX exit trap triggered" EXIT'\''
     fn() {
        trap "echo native zsh function-local exit trap triggered" EXIT
        echo entering native zsh function
     }
     fn
     echo exiting program
   ')
0:POSIX EXIT trap can have nested native mode EXIT trap
>entering program
>entering native zsh function
>native zsh function-local exit trap triggered
>exiting program
>POSIX exit trap triggered

   (cd ..; $ZTST_exe -fc '
     echo entering program
     emulate sh -c '\''spt() { trap "echo POSIX exit trap triggered" EXIT; }'\''
     fn() {
	trap "echo native zsh function-local exit trap triggered" EXIT
	echo entering native zsh function
     }
     spt
     fn
     echo exiting program
   ')
0:POSIX EXIT trap not replaced if defined within function
>entering program
>entering native zsh function
>native zsh function-local exit trap triggered
>exiting program
>POSIX exit trap triggered

    (set -e
    printf "a\nb\n" | while read line
    do
       [[ $line = a* ]] || continue
       ((ctr++))
       [[ $line = foo ]]
    done
    echo "ctr = $ctr"
   )
1:ERREXIT in loop with simple commands

  (set -e
  f()
  {
    false && false
  }
  if false; then
    :
  else
    # ERR_EXIT should trigger on return from function, not in function.
    f
    echo Fail 1
    echo Fail 2
    f
    echo Fail 3
  fi)
1:ERREXIT with false from inside && within function

  (set -e
  f()
  {
  }
  if false; then
    :
  else
    f
    echo Succeed 1
    echo Succeed 2
    f
    echo Succeed 3
  fi)
0:ERREXIT not triggered on empty function after false in if.
>Succeed 1
>Succeed 2
>Succeed 3

  fn() {
    emulate -L zsh
    setopt errreturn
    if false; then
      false
      print No.
    else
      print Oh, yes
    fi
  }
  fn
0:ERR_RETURN not triggered in if condition
>Oh, yes

  fn() {
    emulate -L zsh
    setopt errreturn
    if true; then
      false
      print No.
    else
      print No, no.
    fi
  }
  fn
1:ERR_RETURN in "if"

  fn() {
    emulate -L zsh
    setopt errreturn
    if false; then
      print No.
    else
      false
      print No, no.
    fi
  }
  fn
1:ERR_RETURN in "else" branch (regression test)

  $ZTST_testdir/../Src/zsh -f =(<<<"
  if false; then
    :
  else
    if [[ -n '' ]]; then
        a=2  
    fi
    print Yes
  fi
  ")
0:ERR_RETURN when false "if" is the first statement in an "else" (regression)
>Yes
F:Must be tested with a top-level script rather than source or function

  fn() {
      emulate -L zsh
      setopt errreturn
      print before
      false
      print after
  }
  fn
1:ERR_RETURN, basic case
>before

  fn() {
      emulate -L zsh
      setopt errreturn
      print before
      ! true
      ! false
      print after
  }
  fn
0:ERR_RETURN with "!"
>before
>after

  fn() {
      emulate -L zsh
      setopt errreturn
      print before
      ! true
      ! false
      false
      print after
  }
  fn
1:ERR_RETURN with "!" and a following false
>before

  fn() {
      emulate -L zsh
      setopt errreturn
      print before
      ! if true; then
        false
      fi
      print after
  }
  fn
0:ERR_RETURN with "!" suppressed inside complex structure
>before
>after

  fn() {
      emulate -L zsh
      setopt errreturn
      print before
      if true; then
        false
      fi
      print after
  }
  fn
1:ERR_RETURN with no "!" suppression (control case)
>before

  (setopt err_return
    fn() {
      print before-in
      false && false
    }
    print before-out
    fn
    print after-out
  )
1:ERR_RETURN with "&&" in function (regression test)
>before-out
>before-in

  (setopt err_return
    fn() {
      print before-in
      false && false
      print after-in
    }
    print before-out
    fn
    print after-out
  )
0:ERR_RETURN not triggered on LHS of "&&" in function
>before-out
>before-in
>after-in
>after-out

  (setopt err_return
    fn() {
      print before-in
      true && false
      print after-in
    }
    print before-out
    fn
    print after-out
  )
1:ERR_RETURN triggered on RHS of "&&" in function
>before-out
>before-in

  mkdir -p zdotdir
  print >zdotdir/.zshenv '
  setopt norcs errreturn
  fn() {
    if false; then
      print Bad
    else
      print Good
    fi
    print Better
  }
  fn
  print In .zshenv'
  ZDOTDIR=$PWD/zdotdir $ZTST_testdir/../Src/zsh -c 'true'
0:ERR_RETURN within initialisation code with special flags
>Good
>Better
>In .zshenv

  unsetopt errreturn
  fn2() {
    if true; then
      false
    fi
  }
  fn1() {
    setopt localoptions errreturn
    fn2
    print $?
  }
  fn1
  print fn1 done
0:ERR_RETURN caused by function returning false from within shell construct
>fn1 done

  fn2() {
    if false; then
      print Bad
    else
      print Good
    fi
  }
  fn() {
    setopt err_return
    fn2 || true
  }
  fn
0:ERR_RETURN in "else" branch in nested function
>Good

  (setopt err_exit
  for x in y; do
    false && true
  done
  print OK
  )
0:ERR_EXIT not triggered by status 1 at end of for
>OK

  (setopt err_exit
  integer x=0
  while (( ! x++ )); do
    false && true
  done
  print OK
  )
0:ERR_EXIT not triggered by status 1 at end of while
>OK

  (setopt err_exit
  repeat 1; do
    false && true
  done
  print OK
  )
0:ERR_EXIT not triggered by status 1 at end of repeat
>OK

  (setopt err_exit
  if true; then
    false && true
  fi
  print OK
  )
0:ERR_EXIT not triggered by status 1 at end of if
>OK

  (setopt err_exit
  {
    false && true
  }
  print OK
  )
0:ERR_EXIT not triggered by status 1 at end of { }
>OK

  unsetopt err_exit err_return
  (setopt err_exit
  for x in y; do
    false
  done
  print OK
  )
1:ERR_EXIT triggered by status 1 within for

  (setopt err_exit
  integer x=0
  while (( ! x++ )); do
    false
  done
  print OK
  )
1:ERR_EXIT triggered by status 1 within while

  (setopt err_exit
  repeat 1; do
    false
  done
  print OK
  )
1:ERR_EXIT triggered by status 1 within repeat

  (setopt err_exit
  if true; then
    false
  fi
  print OK
  )
1:ERR_EXIT triggered by status 1 within if

  (setopt err_exit
  {
    false
  }
  print OK
  )
1:ERR_EXIT triggered by status 1 within { }

  (setopt err_exit
  () {
     false && true
     print Still functioning
     false && true
  }
  print OK
  )
1:ERR_EXIT triggered by status 1 at end of anon func
>Still functioning

  if zmodload zsh/system 2>/dev/null; then
  (
    trap 'echo TERM; exit 2' TERM
    trap 'echo EXIT' EXIT
    kill -s TERM "$sysparams[pid]"
    echo 'FATAL: we should never get here!' 1>&2
    exit 1
  )
  else
    ZTST_skip="zsh/system library not found."
  fi
2:EXIT trap from TERM trap
>TERM
>EXIT

  # Should not get "hello" in the single quotes.
  (
    trap "echo hello" EXIT;
    { :; } | { read line; print "'$line'"; }
  )
0:EXIT trap not called in LHS of pipeline: Shell construct on LHS
>''
>hello

  (
    trap "echo hello" EXIT;
    cat </dev/null | { read line; print "'$line'"; }
  )
0:EXIT trap not called in LHS of pipeline: External command on LHS
>''
>hello

  $ZTST_testdir/../Src/zsh -f =(<<<"
    trap handler EXIT
    handler() {
      echoa
      echo b
    }
    echoa() {
      echo a
    }
    exit0() {
      exit
    }
    main() {
      exit0
    }
    main
  ")
0:No early exit from nested function in EXIT trap.
>a
>b

  $ZTST_testdir/../Src/zsh -fc 'fn() { exit 13; }; trap fn EXIT; exit'
13:Explicit exit in exit trap overrides status

  $ZTST_testdir/../Src/zsh -fc 'fn() { exit $?+8; }; trap fn EXIT; exit 7'
15:Progated exit status through exit trap

  $ZTST_testdir/../Src/zsh -fc 'fn() { exit 13; }; trap fn EXIT'
13:Explicit exit in exit trap overrides implicit exit status

  $ZTST_testdir/../Src/zsh -fc 'fn() { exit 0; }; trap fn EXIT; false'
0:Explicit exit status 0 in exit trap overrides implicit non-zero status

  $ZTST_testdir/../Src/zsh -f <<<'fn() { exit 13; }; trap fn EXIT; false'
13:Exit status from exit trap, script-like path

  $ZTST_testdir/../Src/zsh -f <<<'fn() { exit 0; }; trap fn EXIT; false'
0:Explicit exit status overrides implicit: script-like code path

%clean

  rm -f TRAPEXIT

debug log:

solving 4aebd92 ...
found 4aebd92 in https://git.vuxu.org/mirror/zsh/

Code repositories for project(s) associated with this public inbox

	https://git.vuxu.org/mirror/zsh/

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).