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
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
|
#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
}
use strict; # Amazed that this hackery can be made strict ...
# read in a file
sub cat {
my $file = shift;
local $/;
open my $fh, $file or die "can't open '$file': $!";
my $data = <$fh>;
close $fh;
$data;
}
#-- testing numeric fields in all variants (WL)
sub swrite {
my $format = shift;
local $^A = ""; # don't litter, use a local bin
formline( $format, @_ );
return $^A;
}
my @NumTests = (
# [ format, value1, expected1, value2, expected2, .... ]
[ '@###', 0, ' 0', 1, ' 1', 9999.6, '####',
9999.4999, '9999', -999.6, '####', 1e+100, '####' ],
[ '@0##', 0, '0000', 1, '0001', 9999.6, '####',
-999.4999, '-999', -999.6, '####', 1e+100, '####' ],
[ '^###', 0, ' 0', undef, ' ' ],
[ '^0##', 0, '0000', undef, ' ' ],
[ '@###.', 0, ' 0.', 1, ' 1.', 9999.6, '#####',
9999.4999, '9999.', -999.6, '#####' ],
[ '@##.##', 0, ' 0.00', 1, ' 1.00', 999.996, '######',
999.99499, '999.99', -100, '######' ],
[ '@0#.##', 0, '000.00', 1, '001.00', 10, '010.00',
-0.0001, qr/^[\-0]00\.00$/ ],
);
my $num_tests = 0;
for my $tref ( @NumTests ){
$num_tests += (@$tref - 1)/2;
}
#---------------------------------------------------------
# number of tests in section 1
my $bas_tests = 20;
# number of tests in section 3
my $bug_tests = 8 + 3 * 3 * 5 * 2 * 3 + 2 + 66 + 4 + 2 + 3 + 96 + 2;
# number of tests in section 4
my $hmb_tests = 35;
my $tests = $bas_tests + $num_tests + $bug_tests + $hmb_tests;
plan $tests;
############
## Section 1
############
use vars qw($fox $multiline $foo $good);
format OUT =
the quick brown @<<
$fox
jumped
@*
$multiline
^<<<<<<<<<
$foo
^<<<<<<<<<
$foo
^<<<<<<...
$foo
now @<<the@>>>> for all@|||||men to come @<<<<
{
'i' . 's', "time\n", $good, 'to'
}
.
open(OUT, '>Op_write.tmp') || die "Can't create Op_write.tmp";
END { unlink_all 'Op_write.tmp' }
$fox = 'foxiness';
$good = 'good';
$multiline = "forescore\nand\nseven years\n";
$foo = 'when in the course of human events it becomes necessary';
write(OUT);
close OUT or die "Could not close: $!";
my $right =
"the quick brown fox
jumped
forescore
and
seven years
when in
the course
of huma...
now is the time for all good men to come to\n";
is cat('Op_write.tmp'), $right and unlink_all 'Op_write.tmp';
$fox = 'wolfishness';
my $fox = 'foxiness'; # Test a lexical variable.
format OUT2 =
the quick brown @<<
$fox
jumped
@*
$multiline
^<<<<<<<<< ~~
$foo
now @<<the@>>>> for all@|||||men to come @<<<<
'i' . 's', "time\n", $good, 'to'
.
open OUT2, '>Op_write.tmp' or die "Can't create Op_write.tmp";
$good = 'good';
$multiline = "forescore\nand\nseven years\n";
$foo = 'when in the course of human events it becomes necessary';
write(OUT2);
close OUT2 or die "Could not close: $!";
$right =
"the quick brown fox
jumped
forescore
and
seven years
when in
the course
of human
events it
becomes
necessary
now is the time for all good men to come to\n";
is cat('Op_write.tmp'), $right and unlink_all 'Op_write.tmp';
eval <<'EOFORMAT';
format OUT2 =
the brown quick @<<
$fox
jumped
@*
$multiline
and
^<<<<<<<<< ~~
$foo
now @<<the@>>>> for all@|||||men to come @<<<<
'i' . 's', "time\n", $good, 'to'
.
EOFORMAT
open(OUT2, '>Op_write.tmp') || die "Can't create Op_write.tmp";
$fox = 'foxiness';
$good = 'good';
$multiline = "forescore\nand\nseven years\n";
$foo = 'when in the course of human events it becomes necessary';
write(OUT2);
close OUT2 or die "Could not close: $!";
$right =
"the brown quick fox
jumped
forescore
and
seven years
and
when in
the course
of human
events it
becomes
necessary
now is the time for all good men to come to\n";
is cat('Op_write.tmp'), $right and unlink_all 'Op_write.tmp';
# formline tests
$right = <<EOT;
@ a
@> ab
@>> abc
@>>> abc
@>>>> abc
@>>>>> abc
@>>>>>> abc
@>>>>>>> abc
@>>>>>>>> abc
@>>>>>>>>> abc
@>>>>>>>>>> abc
EOT
my $was1 = my $was2 = '';
use vars '$format2';
for (0..10) {
# lexical picture
$^A = '';
my $format1 = '@' . '>' x $_;
formline $format1, 'abc';
$was1 .= "$format1 $^A\n";
# global
$^A = '';
local $format2 = '@' . '>' x $_;
formline $format2, 'abc';
$was2 .= "$format2 $^A\n";
}
is $was1, $right;
is $was2, $right;
$^A = '';
# more test
format OUT3 =
^<<<<<<...
$foo
.
open(OUT3, '>Op_write.tmp') || die "Can't create Op_write.tmp";
$foo = 'fit ';
write(OUT3);
close OUT3 or die "Could not close: $!";
$right =
"fit\n";
is cat('Op_write.tmp'), $right and unlink_all 'Op_write.tmp';
# test lexicals and globals
{
my $test = curr_test();
my $this = "ok";
our $that = $test;
format LEX =
@<<@|
$this,$that
.
open(LEX, ">&STDOUT") or die;
write LEX;
$that = ++$test;
write LEX;
close LEX or die "Could not close: $!";
curr_test($test + 1);
}
# LEX_INTERPNORMAL test
my %e = ( a => 1 );
format OUT4 =
@<<<<<<
"$e{a}"
.
open OUT4, ">Op_write.tmp" or die "Can't create Op_write.tmp";
write (OUT4);
close OUT4 or die "Could not close: $!";
is cat('Op_write.tmp'), "1\n" and unlink_all "Op_write.tmp";
eval <<'EOFORMAT';
format OUT10 =
@####.## @0###.##
$test1, $test1
.
EOFORMAT
open(OUT10, '>Op_write.tmp') || die "Can't create Op_write.tmp";
use vars '$test1';
$test1 = 12.95;
write(OUT10);
close OUT10 or die "Could not close: $!";
$right = " 12.95 00012.95\n";
is cat('Op_write.tmp'), $right and unlink_all 'Op_write.tmp';
eval <<'EOFORMAT';
format OUT11 =
@0###.##
$test1
@ 0#
$test1
@0 #
$test1
.
EOFORMAT
open(OUT11, '>Op_write.tmp') || die "Can't create Op_write.tmp";
$test1 = 12.95;
write(OUT11);
close OUT11 or die "Could not close: $!";
$right =
"00012.95
1 0#
10 #\n";
is cat('Op_write.tmp'), $right and unlink_all 'Op_write.tmp';
{
my $test = curr_test();
my $el;
format OUT12 =
ok ^<<<<<<<<<<<<<<~~ # sv_chop() naze
$el
.
my %hash = ($test => 3);
open(OUT12, '>Op_write.tmp') || die "Can't create Op_write.tmp";
for $el (keys %hash) {
write(OUT12);
}
close OUT12 or die "Could not close: $!";
print cat('Op_write.tmp');
curr_test($test + 1);
}
{
my $test = curr_test();
# Bug report and testcase by Alexey Tourbin
use Tie::Scalar;
my $v;
tie $v, 'Tie::StdScalar';
$v = $test;
format OUT13 =
ok ^<<<<<<<<< ~~
$v
.
open(OUT13, '>Op_write.tmp') || die "Can't create Op_write.tmp";
write(OUT13);
close OUT13 or die "Could not close: $!";
print cat('Op_write.tmp');
curr_test($test + 1);
}
{ # test 14
# Bug #24774 format without trailing \n failed assertion, but this
# must fail since we have a trailing ; in the eval'ed string (WL)
my @v = ('k');
eval "format OUT14 = \n@\n\@v";
like $@, qr/Format not terminated/;
}
{ # test 15
# text lost in ^<<< field with \r in value (WL)
my $txt = "line 1\rline 2";
format OUT15 =
^<<<<<<<<<<<<<<<<<<
$txt
^<<<<<<<<<<<<<<<<<<
$txt
.
open(OUT15, '>Op_write.tmp') || die "Can't create Op_write.tmp";
write(OUT15);
close OUT15 or die "Could not close: $!";
my $res = cat('Op_write.tmp');
is $res, "line 1\nline 2\n";
}
{ # test 16: multiple use of a variable in same line with ^<
my $txt = "this_is_block_1 this_is_block_2 this_is_block_3 this_is_block_4";
format OUT16 =
^<<<<<<<<<<<<<<<< ^<<<<<<<<<<<<<<<<
$txt, $txt
^<<<<<<<<<<<<<<<< ^<<<<<<<<<<<<<<<<
$txt, $txt
.
open(OUT16, '>Op_write.tmp') || die "Can't create Op_write.tmp";
write(OUT16);
close OUT16 or die "Could not close: $!";
my $res = cat('Op_write.tmp');
is $res, <<EOD;
this_is_block_1 this_is_block_2
this_is_block_3 this_is_block_4
EOD
}
{ # test 17: @* "should be on a line of its own", but it should work
# cleanly with literals before and after. (WL)
my $txt = "This is line 1.\nThis is the second line.\nThird and last.\n";
format OUT17 =
Here we go: @* That's all, folks!
$txt
.
open(OUT17, '>Op_write.tmp') || die "Can't create Op_write.tmp";
write(OUT17);
close OUT17 or die "Could not close: $!";
my $res = cat('Op_write.tmp');
chomp( $txt );
my $exp = <<EOD;
Here we go: $txt That's all, folks!
EOD
is $res, $exp;
}
{ # test 18: @# and ~~ would cause runaway format, but we now
# catch this while compiling (WL)
format OUT18 =
@######## ~~
10
.
open(OUT18, '>Op_write.tmp') || die "Can't create Op_write.tmp";
eval { write(OUT18); };
like $@, qr/Repeated format line will never terminate/;
close OUT18 or die "Could not close: $!";
}
{ # test 19: \0 in an evel'ed format, doesn't cause empty lines (WL)
my $v = 'gaga';
eval "format OUT19 = \n" .
'@<<<' . "\0\n" .
'$v' . "\n" .
'@<<<' . "\0\n" .
'$v' . "\n.\n";
open(OUT19, '>Op_write.tmp') || die "Can't create Op_write.tmp";
write(OUT19);
close OUT19 or die "Could not close: $!";
my $res = cat('Op_write.tmp');
is $res, <<EOD;
gaga\0
gaga\0
EOD
}
{ # test 20: hash accesses; single '}' must not terminate format '}' (WL)
my %h = ( xkey => 'xval', ykey => 'yval' );
format OUT20 =
@>>>> @<<<< ~~
each %h
@>>>> @<<<<
$h{xkey}, $h{ykey}
@>>>> @<<<<
{ $h{xkey}, $h{ykey}
}
}
.
my $exp = '';
while( my( $k, $v ) = each( %h ) ){
$exp .= sprintf( "%5s %s\n", $k, $v );
}
$exp .= sprintf( "%5s %s\n", $h{xkey}, $h{ykey} );
$exp .= sprintf( "%5s %s\n", $h{xkey}, $h{ykey} );
$exp .= "}\n";
open(OUT20, '>Op_write.tmp') || die "Can't create Op_write.tmp";
write(OUT20);
close OUT20 or die "Could not close: $!";
my $res = cat('Op_write.tmp');
is $res, $exp;
}
#####################
## Section 2
## numeric formatting
#####################
curr_test($bas_tests + 1);
for my $tref ( @NumTests ){
my $writefmt = shift( @$tref );
while (@$tref) {
my $val = shift @$tref;
my $expected = shift @$tref;
my $writeres = swrite( $writefmt, $val );
if (ref $expected) {
like $writeres, $expected, $writefmt;
} else {
is $writeres, $expected, $writefmt;
}
}
}
#####################################
## Section 3
## Easiest to add new tests just here
#####################################
# DAPM. Exercise a couple of error codepaths
{
local $~ = '';
eval { write };
like $@, qr/Undefined format ""/, 'format with 0-length name';
$~ = "\0foo";
eval { write };
like $@, qr/Undefined format "\0foo"/,
'no such format beginning with null';
$~ = "NOSUCHFORMAT";
eval { write };
like $@, qr/Undefined format "NOSUCHFORMAT"/, 'no such format';
}
select +(select(OUT21), do {
open(OUT21, '>Op_write.tmp') || die "Can't create Op_write.tmp";
format OUT21 =
@<<
$_
.
local $^ = '';
local $= = 1;
$_ = "aataaaaaaaaaaaaaa"; eval { write(OUT21) };
like $@, qr/Undefined top format ""/, 'top format with 0-length name';
$^ = "\0foo";
# For some reason, we have to do this twice to get the error again.
$_ = "aataaaaaaaaaaaaaa"; eval { write(OUT21) };
$_ = "aataaaaaaaaaaaaaa"; eval { write(OUT21) };
like $@, qr/Undefined top format "\0foo"/,
'no such top format beginning with null';
$^ = "NOSUCHFORMAT";
$_ = "aataaaaaaaaaaaaaa"; eval { write(OUT21) };
$_ = "aataaaaaaaaaaaaaa"; eval { write(OUT21) };
like $@, qr/Undefined top format "NOSUCHFORMAT"/, 'no such top format';
# reset things;
eval { write(OUT21) };
undef $^A;
close OUT21 or die "Could not close: $!";
})[0];
{
package Count;
sub TIESCALAR {
my $class = shift;
bless [shift, 0, 0], $class;
}
sub FETCH {
my $self = shift;
++$self->[1];
$self->[0];
}
sub STORE {
my $self = shift;
++$self->[2];
$self->[0] = shift;
}
}
{
my ($pound_utf8, $pm_utf8) = map { my $a = "$_\x{100}"; chop $a; $a}
my ($pound, $pm) = ("\xA3", "\xB1");
foreach my $first ('N', $pound, $pound_utf8) {
foreach my $base ('N', $pm, $pm_utf8) {
foreach my $second ($base, "$base\n", "$base\nMoo!", "$base\nMoo!\n",
"$base\nMoo!\n",) {
foreach (['^*', qr/(.+)/], ['@*', qr/(.*?)$/s]) {
my ($format, $re) = @$_;
$format = "1^*2 3${format}4";
foreach my $class ('', 'Count') {
my $name = qq{swrite("$format", "$first", "$second") class="$class"};
$name =~ s/\n/\\n/g;
$name =~ s{(.)}{
ord($1) > 126 ? sprintf("\\x{%x}",ord($1)) : $1
}ge;
$first =~ /(.+)/ or die $first;
my $expect = "1${1}2";
$second =~ $re or die $second;
$expect .= " 3${1}4";
if ($class) {
my $copy1 = $first;
my $copy2;
tie $copy2, $class, $second;
is swrite("$format", $copy1, $copy2), $expect, $name;
my $obj = tied $copy2;
is $obj->[1], 1, 'value read exactly once';
} else {
my ($copy1, $copy2) = ($first, $second);
is swrite("$format", $copy1, $copy2), $expect, $name;
}
}
}
}
}
}
}
{
# This will fail an assertion in 5.10.0 built with -DDEBUGGING (because
# pp_formline attempts to set SvCUR() on an SVt_RV). I suspect that it will
# be doing something similarly out of bounds on everything from 5.000
my $ref = [];
is swrite('>^*<', $ref), ">$ref<";
is swrite('>@*<', $ref), ">$ref<";
}
format EMPTY =
.
my $test = curr_test();
format Comment =
ok @<<<<<
$test
.
# RT #8698 format bug with undefined _TOP
open STDOUT_DUP, ">&STDOUT";
my $oldfh = select STDOUT_DUP;
$= = 10;
{
local $~ = "Comment";
write;
curr_test($test + 1);
is $-, 9;
is $^, "STDOUT_DUP_TOP";
}
select $oldfh;
close STDOUT_DUP;
*CmT = *{$::{Comment}}{FORMAT};
ok defined *{$::{CmT}}{FORMAT}, "glob assign";
# RT #91032: Check that "non-real" strings like tie and overload work,
# especially that they re-compile the pattern on each FETCH, and that
# they don't overrun the buffer
{
package RT91032;
sub TIESCALAR { bless [] }
my $i = 0;
sub FETCH { $i++; "A$i @> Z\n" }
use overload '""' => \&FETCH;
tie my $f, 'RT91032';
formline $f, "a";
formline $f, "bc";
::is $^A, "A1 a Z\nA2 bc Z\n", "RT 91032: tied";
$^A = '';
my $g = bless []; # has overloaded stringify
formline $g, "de";
formline $g, "f";
::is $^A, "A3 de Z\nA4 f Z\n", "RT 91032: overloaded";
$^A = '';
my $h = [];
formline $h, "junk1";
formline $h, "junk2";
::is ref($h), 'ARRAY', "RT 91032: array ref still a ref";
::like "$h", qr/^ARRAY\(0x[0-9a-f]+\)$/, "RT 91032: array stringifies ok";
::is $^A, "$h$h","RT 91032: stringified array";
$^A = '';
# used to overwrite the ~~ in the *original SV with spaces. Naughty!
my $orig = my $format = "^<<<<< ~~\n";
my $abc = "abc";
formline $format, $abc;
$^A ='';
::is $format, $orig, "RT91032: don't overwrite orig format string";
# check that ~ and ~~ are displayed correctly as whitespace,
# under the influence of various different types of border
for my $n (1,2) {
for my $lhs (' ', 'Y', '^<<<', '^|||', '^>>>') {
for my $rhs ('', ' ', 'Z', '^<<<', '^|||', '^>>>') {
my $fmt = "^<B$lhs" . ('~' x $n) . "$rhs\n";
my $sfmt = ($fmt =~ s/~/ /gr);
my ($a, $bc, $stop);
($a, $bc, $stop) = ('a', 'bc', 's');
# $stop is to stop '~~' deleting the whole line
formline $sfmt, $stop, $a, $bc;
my $exp = $^A;
$^A = '';
($a, $bc, $stop) = ('a', 'bc', 's');
formline $fmt, $stop, $a, $bc;
my $got = $^A;
$^A = '';
$fmt =~ s/\n/\\n/;
::is($got, $exp, "chop munging: [$fmt]");
}
}
}
}
# check that '~ (delete current line if empty) works when
# the target gets upgraded to uft8 (and re-allocated) midstream.
{
my $format = "\x{100}@~\n"; # format is utf8
# this target is not utf8, but will expand (and get reallocated)
# when upgraded to utf8.
my $orig = "\x80\x81\x82";
local $^A = $orig;
my $empty = "";
formline $format, $empty;
is $^A , $orig, "~ and realloc";
# check similarly that trailing blank removal works ok
$format = "@<\n\x{100}"; # format is utf8
chop $format;
$orig = " ";
$^A = $orig;
formline $format, " ";
is $^A, "$orig\n", "end-of-line blanks and realloc";
# and check this doesn't overflow the buffer
local $^A = '';
$format = "@* @####\n";
$orig = "x" x 100 . "\n";
formline $format, $orig, 12345;
is $^A, ("x" x 100) . " 12345\n", "\@* doesn't overflow";
# make sure it can cope with formats > 64k
$format = 'x' x 65537;
$^A = '';
formline $format;
# don't use 'is' here, as the diag output will be too long!
ok $^A eq $format, ">64K";
}
SKIP: {
skip_if_miniperl('miniperl does not support scalario');
my $buf = "";
open my $fh, ">", \$buf;
my $old_fh = select $fh;
local $~ = "CmT";
write;
select $old_fh;
close $fh;
is $buf, "ok $test\n", "write to duplicated format";
}
format caret_A_test_TOP =
T
.
format caret_A_test =
L1
L2
L3
L4
.
SKIP: {
skip_if_miniperl('miniperl does not support scalario');
my $buf = "";
open my $fh, ">", \$buf;
my $old_fh = select $fh;
local $^ = "caret_A_test_TOP";
local $~ = "caret_A_test";
local $= = 3;
local $^A = "A1\nA2\nA3\nA4\n";
write;
select $old_fh;
close $fh;
is $buf, "T\nA1\nA2\n\fT\nA3\nA4\n\fT\nL1\nL2\n\fT\nL3\nL4\n",
"assign to ^A sets FmLINES";
}
fresh_perl_like(<<'EOP', qr/^Format STDOUT redefined at/, {stderr => 1}, '#64562 - Segmentation fault with redefined formats and warnings');
#!./perl
use strict;
use warnings; # crashes!
format =
.
write;
format =
.
write;
EOP
fresh_perl_is(<<'EOP', ">ARRAY<\ncrunch_eth\n", {stderr => 1}, '#79532 - formline coerces its arguments');
use strict;
use warnings;
my $zamm = ['crunch_eth'];
formline $zamm;
printf ">%s<\n", ref $zamm;
print "$zamm->[0]\n";
EOP
# [perl #73690]
select +(select(RT73690), do {
open(RT73690, '>Op_write.tmp') || die "Can't create Op_write.tmp";
format RT73690 =
@<< @<<
11, 22
.
my @ret;
@ret = write;
is(scalar(@ret), 1);
ok($ret[0]);
@ret = scalar(write);
is(scalar(@ret), 1);
ok($ret[0]);
@ret = write(RT73690);
is(scalar(@ret), 1);
ok($ret[0]);
@ret = scalar(write(RT73690));
is(scalar(@ret), 1);
ok($ret[0]);
@ret = ('a', write, 'z');
is(scalar(@ret), 3);
is($ret[0], 'a');
ok($ret[1]);
is($ret[2], 'z');
@ret = ('b', scalar(write), 'y');
is(scalar(@ret), 3);
is($ret[0], 'b');
ok($ret[1]);
is($ret[2], 'y');
@ret = ('c', write(RT73690), 'x');
is(scalar(@ret), 3);
is($ret[0], 'c');
ok($ret[1]);
is($ret[2], 'x');
@ret = ('d', scalar(write(RT73690)), 'w');
is(scalar(@ret), 3);
is($ret[0], 'd');
ok($ret[1]);
is($ret[2], 'w');
@ret = do { write; 'foo' };
is(scalar(@ret), 1);
is($ret[0], 'foo');
@ret = do { scalar(write); 'bar' };
is(scalar(@ret), 1);
is($ret[0], 'bar');
@ret = do { write(RT73690); 'baz' };
is(scalar(@ret), 1);
is($ret[0], 'baz');
@ret = do { scalar(write(RT73690)); 'quux' };
is(scalar(@ret), 1);
is($ret[0], 'quux');
@ret = ('a', do { write; 'foo' }, 'z');
is(scalar(@ret), 3);
is($ret[0], 'a');
is($ret[1], 'foo');
is($ret[2], 'z');
@ret = ('b', do { scalar(write); 'bar' }, 'y');
is(scalar(@ret), 3);
is($ret[0], 'b');
is($ret[1], 'bar');
is($ret[2], 'y');
@ret = ('c', do { write(RT73690); 'baz' }, 'x');
is(scalar(@ret), 3);
is($ret[0], 'c');
is($ret[1], 'baz');
is($ret[2], 'x');
@ret = ('d', do { scalar(write(RT73690)); 'quux' }, 'w');
is(scalar(@ret), 3);
is($ret[0], 'd');
is($ret[1], 'quux');
is($ret[2], 'w');
close RT73690 or die "Could not close: $!";
})[0];
select +(select(RT73690_2), do {
open(RT73690_2, '>Op_write.tmp') || die "Can't create Op_write.tmp";
format RT73690_2 =
@<< @<<
return
.
my @ret;
@ret = write;
is(scalar(@ret), 1);
ok(!$ret[0]);
@ret = scalar(write);
is(scalar(@ret), 1);
ok(!$ret[0]);
@ret = write(RT73690_2);
is(scalar(@ret), 1);
ok(!$ret[0]);
@ret = scalar(write(RT73690_2));
is(scalar(@ret), 1);
ok(!$ret[0]);
@ret = ('a', write, 'z');
is(scalar(@ret), 3);
is($ret[0], 'a');
ok(!$ret[1]);
is($ret[2], 'z');
@ret = ('b', scalar(write), 'y');
is(scalar(@ret), 3);
is($ret[0], 'b');
ok(!$ret[1]);
is($ret[2], 'y');
@ret = ('c', write(RT73690_2), 'x');
is(scalar(@ret), 3);
is($ret[0], 'c');
ok(!$ret[1]);
is($ret[2], 'x');
@ret = ('d', scalar(write(RT73690_2)), 'w');
is(scalar(@ret), 3);
is($ret[0], 'd');
ok(!$ret[1]);
is($ret[2], 'w');
@ret = do { write; 'foo' };
is(scalar(@ret), 1);
is($ret[0], 'foo');
@ret = do { scalar(write); 'bar' };
is(scalar(@ret), 1);
is($ret[0], 'bar');
@ret = do { write(RT73690_2); 'baz' };
is(scalar(@ret), 1);
is($ret[0], 'baz');
@ret = do { scalar(write(RT73690_2)); 'quux' };
is(scalar(@ret), 1);
is($ret[0], 'quux');
@ret = ('a', do { write; 'foo' }, 'z');
is(scalar(@ret), 3);
is($ret[0], 'a');
is($ret[1], 'foo');
is($ret[2], 'z');
@ret = ('b', do { scalar(write); 'bar' }, 'y');
is(scalar(@ret), 3);
is($ret[0], 'b');
is($ret[1], 'bar');
is($ret[2], 'y');
@ret = ('c', do { write(RT73690_2); 'baz' }, 'x');
is(scalar(@ret), 3);
is($ret[0], 'c');
is($ret[1], 'baz');
is($ret[2], 'x');
@ret = ('d', do { scalar(write(RT73690_2)); 'quux' }, 'w');
is(scalar(@ret), 3);
is($ret[0], 'd');
is($ret[1], 'quux');
is($ret[2], 'w');
close RT73690_2 or die "Could not close: $!";
})[0];
open(UNDEF, '>Op_write.tmp') || die "Can't create Op_write.tmp";
select +(select(UNDEF), $~ = "UNDEFFORMAT")[0];
format UNDEFFORMAT =
@
undef *UNDEFFORMAT
.
write UNDEF;
pass "active format cannot be freed";
select +(select(UNDEF), $~ = "UNDEFFORMAT2")[0];
format UNDEFFORMAT2 =
@
close UNDEF or die "Could not close: $!"; undef *UNDEF
.
write UNDEF;
pass "freeing current handle in format";
undef $^A;
#############################
## Section 4
## Add new tests *above* here
#############################
# scary format testing from H.Merijn Brand
# Just a complete test for format, including top-, left- and bottom marging
# and format detection through glob entries
if ($^O eq 'VMS' || $^O eq 'MSWin32' || $^O eq 'dos' ||
($^O eq 'os2' and not eval '$OS2::can_fork')) {
$test = curr_test();
SKIP: {
skip "'|-' and '-|' not supported", $tests - $test + 1;
}
exit(0);
}
$^ = "STDOUT_TOP";
$= = 7; # Page length
$- = 0; # Lines left
my $ps = $^L; $^L = ""; # Catch the page separator
my $tm = 1; # Top margin (empty lines before first output)
my $bm = 2; # Bottom marging (empty lines between last text and footer)
my $lm = 4; # Left margin (indent in spaces)
# -----------------------------------------------------------------------
#
# execute the rest of the script in a child process. The parent reads the
# output from the child and compares it with <DATA>.
my @data = <DATA>;
select ((select (STDOUT), $| = 1)[0]); # flush STDOUT
my $opened = open FROM_CHILD, "-|";
unless (defined $opened) {
fail "open gave $!";
exit 0;
}
if ($opened) {
# in parent here
pass 'open';
my $s = " " x $lm;
while (<FROM_CHILD>) {
unless (@data) {
fail 'too much output';
exit;
}
s/^/$s/;
my $exp = shift @data;
is $_, $exp;
}
close FROM_CHILD;
is "@data", "", "correct length of output";
exit;
}
# in child here
$::NO_ENDING = 1;
select ((select (STDOUT), $| = 1)[0]);
$tm = "\n" x $tm;
$= -= $bm + 1; # count one for the trailing "----"
my $lastmin = 0;
my @E;
sub wryte
{
$lastmin = $-;
write;
} # wryte;
sub footer
{
$% == 1 and return "";
$lastmin < $= and print "\n" x $lastmin;
print "\n" x $bm, "----\n", $ps;
$lastmin = $-;
"";
} # footer
# Yes, this is sick ;-)
format TOP =
@* ~
@{[footer]}
@* ~
$tm
.
format ENTRY =
@ @<<<<~~
@{(shift @E)||["",""]}
.
format EOR =
- -----
.
sub has_format ($)
{
my $fmt = shift;
exists $::{$fmt} or return 0;
$^O eq "MSWin32" or return defined *{$::{$fmt}}{FORMAT};
open my $null, "> /dev/null" or die;
my $fh = select $null;
local $~ = $fmt;
eval "write";
select $fh;
$@?0:1;
} # has_format
$^ = has_format ("TOP") ? "TOP" : "EMPTY";
has_format ("ENTRY") or die "No format defined for ENTRY";
foreach my $e ( [ map { [ $_, "Test$_" ] } 1 .. 7 ],
[ map { [ $_, "${_}tseT" ] } 1 .. 5 ]) {
@E = @$e;
local $~ = "ENTRY";
wryte;
has_format ("EOR") or next;
local $~ = "EOR";
wryte;
}
if (has_format ("EOF")) {
local $~ = "EOF";
wryte;
}
close STDOUT;
# That was test 48.
__END__
1 Test1
2 Test2
3 Test3
----
4 Test4
5 Test5
6 Test6
----
7 Test7
- -----
----
1 1tseT
2 2tseT
3 3tseT
----
4 4tseT
5 5tseT
- -----
|