summaryrefslogtreecommitdiffstats
path: root/gnu/usr.bin/perl/t/lib/warnings/7fatal
blob: 2056d01e515c821053fb7e309e80fc04d7308fa6 (plain) (blame)
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
Check FATAL functionality

__END__

# Check compile time warning
use warnings FATAL => 'syntax' ;
{
    no warnings ;
    $a =+ 1 ;
}
$a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 8.
########

# Check compile time warning
use warnings FATAL => 'all' ;
{
    no warnings ;
    my $a =+ 1 ;
}
my $a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 8.
########

# Check runtime scope of pragma
use warnings FATAL => 'uninitialized' ;
{
    no warnings ;
    my $b ; chop $b ;
}
my $b ; chop $b ;
print STDERR "The End.\n" ;
EXPECT
Use of uninitialized value $b in scalar chop at - line 8.
########

# Check runtime scope of pragma
use warnings FATAL => 'all' ;
{
    no warnings ;
    my $b ; chop $b ;
}
my $b ; chop $b ;
print STDERR "The End.\n" ;
EXPECT
Use of uninitialized value $b in scalar chop at - line 8.
########

# Check runtime scope of pragma
no warnings ;
{
    use warnings FATAL => 'uninitialized' ;
    $a = sub { my $b ; chop $b ; }
}
&$a ;
print STDERR "The End.\n" ;
EXPECT
Use of uninitialized value $b in scalar chop at - line 6.
########

# Check runtime scope of pragma
no warnings ;
{
    use warnings FATAL => 'all' ;
    $a = sub { my $b ; chop $b ; }
}
&$a ;
print STDERR "The End.\n" ;
EXPECT
Use of uninitialized value $b in scalar chop at - line 6.
########

--FILE-- abc
$a =+ 1 ;
1;
--FILE-- 
use warnings FATAL => 'syntax' ;
require "./abc";
EXPECT

########

--FILE-- abc
use warnings FATAL => 'syntax' ;
1;
--FILE-- 
require "./abc";
$a =+ 1 ;
EXPECT

########

--FILE-- abc
use warnings 'syntax' ;
$a =+ 1 ;
1;
--FILE-- 
use warnings FATAL => 'uninitialized' ;
require "./abc";
my $a ; chop $a ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at ./abc line 2.
Use of uninitialized value $a in scalar chop at - line 3.
########

--FILE-- abc.pm
use warnings 'syntax' ;
$a =+ 1 ;
1;
--FILE-- 
use warnings FATAL => 'uninitialized' ;
use abc;
my $a ; chop $a ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at abc.pm line 2.
Use of uninitialized value $a in scalar chop at - line 3.
########

# Check scope of pragma with eval
no warnings ;
eval {
    use warnings FATAL => 'uninitialized' ;
    my $b ; chop $b ;
}; print STDERR "-- $@" ;
my $b ; chop $b ;
print STDERR "The End.\n" ;
EXPECT
-- Use of uninitialized value $b in scalar chop at - line 6.
The End.
########

# Check scope of pragma with eval
use warnings FATAL => 'uninitialized' ;
eval {
    my $b ; chop $b ;
}; print STDERR "-- $@" ;
my $b ; chop $b ;
print STDERR "The End.\n" ;
EXPECT
-- Use of uninitialized value $b in scalar chop at - line 5.
Use of uninitialized value $b in scalar chop at - line 7.
########

# Check scope of pragma with eval
use warnings FATAL => 'uninitialized' ;
eval {
    no warnings ;
    my $b ; chop $b ;
}; print STDERR $@ ;
my $b ; chop $b ;
print STDERR "The End.\n" ;
EXPECT
Use of uninitialized value $b in scalar chop at - line 8.
########

# Check scope of pragma with eval
no warnings ;
eval {
    use warnings FATAL => 'syntax' ;
    $a =+ 1 ;
}; print STDERR "-- $@" ;
$a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 6.
########

# Check scope of pragma with eval
use warnings FATAL => 'syntax' ;
eval {
    $a =+ 1 ;
}; print STDERR "-- $@" ;
$a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 5.
########

# Check scope of pragma with eval
use warnings FATAL => 'syntax' ;
eval {
    no warnings ;
    $a =+ 1 ;
}; print STDERR $@ ;
$a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 8.
########

# Check scope of pragma with eval
no warnings ;
eval {
    use warnings FATAL => 'syntax' ;
}; print STDERR $@ ;
$a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
The End.
########

# Check scope of pragma with eval
no warnings ;
eval q[ 
    use warnings FATAL => 'uninitialized' ;
    my $b ; chop $b ;
]; print STDERR "-- $@";
my $b ; chop $b ;
print STDERR "The End.\n" ;
EXPECT
-- Use of uninitialized value $b in scalar chop at (eval 1) line 3.
The End.
########

# Check scope of pragma with eval
use warnings FATAL => 'uninitialized' ;
eval '
    my $b ; chop $b ;
'; print STDERR "-- $@" ;
my $b ; chop $b ;
print STDERR "The End.\n" ;
EXPECT
-- Use of uninitialized value $b in scalar chop at (eval 1) line 2.
Use of uninitialized value $b in scalar chop at - line 7.
########

# Check scope of pragma with eval
use warnings FATAL => 'uninitialized' ;
eval '
    no warnings ;
    my $b ; chop $b ;
'; print STDERR $@ ;
my $b ; chop $b ;
print STDERR "The End.\n" ;
EXPECT
Use of uninitialized value $b in scalar chop at - line 8.
########

# Check scope of pragma with eval
no warnings ;
eval q[ 
    use warnings FATAL => 'syntax' ;
    $a =+ 1 ;
]; print STDERR "-- $@";
$a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
-- Reversed += operator at (eval 1) line 3.
The End.
########

# Check scope of pragma with eval
use warnings FATAL => 'syntax' ;
eval '
    $a =+ 1 ;
'; print STDERR "-- $@";
print STDERR "The End.\n" ;
EXPECT
-- Reversed += operator at (eval 1) line 2.
The End.
########

# Check scope of pragma with eval
use warnings FATAL => 'syntax' ;
eval '
    no warnings ;
    $a =+ 1 ;
'; print STDERR "-- $@";
$a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 8.
########
# TODO ? !$Config{usethreads} && $::UTF8 && ($ENV{PERL_DESTRUCT_LEVEL} || 0) > 1 ? "Parser leaks OPs, which leak shared hash keys" : ''
# SKIP ? $Config{ccflags} =~ /sanitize/

use warnings 'void' ;

time ;

{
    use warnings FATAL => qw(void) ;
    $a = "abc";
    length $a ;
}

join "", 1,2,3 ;

print "done\n" ;
EXPECT
Useless use of time in void context at - line 4.
Useless use of length in void context at - line 9.
########
# TODO ? !$Config{usethreads} && $::UTF8 && ($ENV{PERL_DESTRUCT_LEVEL} || 0) > 1 ? "Parser leaks OPs, which leak shared hash keys" : ''
# SKIP ? $Config{ccflags} =~ /sanitize/

use warnings ;

time ;

{
    use warnings FATAL => qw(void) ;
    $a = "abc";
    length $a ;
}

join "", 1,2,3 ;

print "done\n" ;
EXPECT
Useless use of time in void context at - line 4.
Useless use of length in void context at - line 9.
########

use warnings FATAL => 'all';
{
    no warnings;
    my $b ; chop $b;
    {
        use warnings ;
        my $b ; chop $b;
    }
}
my $b ; chop $b;
print STDERR "The End.\n" ;
EXPECT
Use of uninitialized value $b in scalar chop at - line 8.
Use of uninitialized value $b in scalar chop at - line 11.
########

use warnings FATAL => 'all';
{
    no warnings FATAL => 'all';
    my $b ; chop $b;
    {
        use warnings ;
        my $b ; chop $b;
    }
}
my $b ; chop $b;
print STDERR "The End.\n" ;
EXPECT
Use of uninitialized value $b in scalar chop at - line 8.
Use of uninitialized value $b in scalar chop at - line 11.
########

use warnings FATAL => 'all';
{
    no warnings 'syntax';
    {
        use warnings ;
        my $b ; chop $b;
    }
}
my $b ; chop $b;
print STDERR "The End.\n" ;
EXPECT
Use of uninitialized value $b in scalar chop at - line 7.
########

use warnings FATAL => 'syntax', NONFATAL => 'void' ;

$a = "abc";
length $a;
print STDERR "The End.\n" ;
EXPECT
Useless use of length in void context at - line 5.
The End.
########

use warnings FATAL => 'all', NONFATAL => 'void' ;

$a = "abc";
length $a;
print STDERR "The End.\n" ;
EXPECT
Useless use of length in void context at - line 5.
The End.
########

use warnings FATAL => 'all', NONFATAL => 'void' ;

my $a ; chomp $a;

$b = "abc" ;
length $b;
print STDERR "The End.\n" ;
EXPECT
Useless use of length in void context at - line 7.
Use of uninitialized value $a in scalar chomp at - line 4.
########

use warnings FATAL => 'void', NONFATAL => 'void' ;
$a = "abc";
length $a;
print STDERR "The End.\n" ;
EXPECT
Useless use of length in void context at - line 4.
The End.
########
# TODO ? !$Config{usethreads} && $::UTF8 && ($ENV{PERL_DESTRUCT_LEVEL} || 0) > 1 ? "Parser leaks OPs, which leak shared hash keys" : ''

use warnings NONFATAL => 'void', FATAL => 'void' ;
$a = "abc";
length $a;
print STDERR "The End.\n" ;
EXPECT
Useless use of length in void context at - line 4.
########

use warnings FATAL => 'all', NONFATAL => 'io';
no warnings 'once';

open(F, "<true\ncd");
open(G, "<truecd\n");
open(H, "<truecd\n\0");
close "fred" ;
print STDERR "The End.\n" ;
EXPECT
Unsuccessful open on filename containing newline at - line 6.
Unsuccessful open on filename containing newline at - line 7.
close() on unopened filehandle fred at - line 8.
The End.
########

use warnings FATAL => 'all', NONFATAL => 'io', FATAL => 'unopened' ;
no warnings 'once';

open(F, "<truecd\n");
close "fred" ;
print STDERR "The End.\n" ;
EXPECT
Unsuccessful open on filename containing newline at - line 5.
close() on unopened filehandle fred at - line 6.
########

# 'use warnings' test as the basis for the following tests
use warnings ;
my $a = oct "7777777777777777777777777777777777778" ;
my $b =+ 1 ;
my $c ; chop $c ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 5.
Integer overflow in octal number at - line 4.
Illegal octal digit '8' ignored at - line 4.
Octal number > 037777777777 non-portable at - line 4.
Use of uninitialized value $c in scalar chop at - line 6.
The End.
########

# 'use warnings NONFATAL=>"all"' should be the same as 'use warnings'
use warnings NONFATAL=>"all" ;
my $a = oct "7777777777777777777777777777777777778" ;
my $b =+ 1 ;
my $c ; chop $c ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 5.
Integer overflow in octal number at - line 4.
Illegal octal digit '8' ignored at - line 4.
Octal number > 037777777777 non-portable at - line 4.
Use of uninitialized value $c in scalar chop at - line 6.
The End.
########

# 'use warnings "NONFATAL"' should be the same as 'use warnings' [perl #120977]
use warnings "NONFATAL" ;
my $a = oct "7777777777777777777777777777777777778" ;
my $b =+ 1 ;
my $c ; chop $c ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 5.
Integer overflow in octal number at - line 4.
Illegal octal digit '8' ignored at - line 4.
Octal number > 037777777777 non-portable at - line 4.
Use of uninitialized value $c in scalar chop at - line 6.
The End.
########

# 'use warnings "FATAL"' should be the same as 'use warnings FATAL=>"all"' [perl #120977]
use warnings "FATAL" ;
{
    no warnings ;
    my $a =+ 1 ;
}
my $a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 8.
########

# 'use warnings "FATAL"' should be the same as 'use warnings FATAL=>"all"' [perl #120977]
use warnings "FATAL" ;
{
    no warnings ;
    my $a = oct "7777777777777777777777777777777777778" ;
}
my $a = oct "7777777777777777777777777777777777778" ;
print STDERR "The End.\n" ;
EXPECT
Integer overflow in octal number at - line 8.
########

# 'no warnings FATAL=>"all"' should be the same as 'no warnings'
use warnings ;
{
    no warnings FATAL=>"all" ;
    my $a = oct "7777777777777777777777777777777777778" ;
    my $b =+ 1 ;
    my $c ; chop $c ;
}
my $a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 10.
The End.
########

# 'no warnings "FATAL"' should be the same as 'no warnings' [perl #120977]
use warnings ;
{
    no warnings "FATAL" ;
    my $a = oct "7777777777777777777777777777777777778" ;
    my $b =+ 1 ;
    my $c ; chop $c ;
}
my $a =+ 1 ;
print STDERR "The End.\n" ;
EXPECT
Reversed += operator at - line 10.
The End.
########

# fatal warnings shouldn't hide parse errors [perl #122966]
use warnings FATAL => 'all';
if (1 {
    my $x = "hello";
    print $x, "\n";
}
EXPECT
syntax error at - line 4, near "1 {"
"my" variable $x masks earlier declaration in same statement at - line 6.
syntax error at - line 7, near "}"
Execution of - aborted due to compilation errors.
########

# fatal warnings in DESTROY should be made non-fatal [perl #123398]
# This test will blow up your memory with SEGV without the patch
package Foo;
use strict; use utf8; use warnings FATAL => 'all';
sub new {
    return bless{ 'field' => undef }, 'Foo';
}
sub DESTROY {
    my $self = shift;
    $self->{'field'}->missing_method;
}
package main;
my $foo = new Foo;
undef($foo);
EXPECT
	(in cleanup) Can't call method "missing_method" on an undefined value at - line 11.