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
|
#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
}
use strict;
use Config;
plan 16;
use_ok( 'sigtrap' );
package main;
local %SIG;
# use a version of sigtrap.pm somewhat too high
eval{ sigtrap->import(99999) };
like( $@, qr/version 99999 required,/, 'import excessive version number' );
# use an invalid signal name
eval{ sigtrap->import('abadsignal') };
like( $@, qr/^Unrecognized argument abadsignal/, 'send bad signame to import' );
eval{ sigtrap->import('handler') };
like( $@, qr/^No argument specified/, 'send handler without subref' );
sigtrap->import('AFAKE');
is( $SIG{AFAKE}, \&sigtrap::handler_traceback, 'install normal handler' );
sigtrap->import('die', 'AFAKE', 'stack-trace', 'FAKE2');
is( $SIG{AFAKE}, \&sigtrap::handler_die, 'install the die handler' );
is( $SIG{FAKE2}, \&sigtrap::handler_traceback, 'install traceback handler' );
my @normal = qw( HUP INT PIPE TERM );
@SIG{@normal} = 1 x @normal;
sigtrap->import('normal-signals');
is( (grep { ref $_ } @SIG{@normal}), @normal, 'check normal-signals set' );
my @error = qw( ABRT BUS EMT FPE ILL QUIT SEGV SYS TRAP );
@SIG{@error} = 1 x @error;
sigtrap->import('error-signals');
is( (grep { ref $_ } @SIG{@error}), @error, 'check error-signals set' );
my @old = qw( ABRT BUS EMT FPE ILL PIPE QUIT SEGV SYS TERM TRAP );
@SIG{@old} = 1 x @old;
sigtrap->import('old-interface-signals');
is( (grep { ref $_ } @SIG{@old}), @old, 'check old-interface-signals set' );
my $handler = sub {};
sigtrap->import(handler => $handler, 'FAKE3');
is( $SIG{FAKE3}, $handler, 'install custom handler' );
$SIG{FAKE} = 'IGNORE';
sigtrap->import('untrapped', 'FAKE');
is( $SIG{FAKE}, 'IGNORE', 'respect existing handler set to IGNORE' );
fresh_perl_like
'
BEGIN { *CORE::GLOBAL::kill = sub {} }
require sigtrap;
import sigtrap "INT";
sub { $SIG{INT}->("INT") } -> (3)
',
qr/\$ = main::__ANON__\(3\) called/,
{ stderr => 1 },
"stack-trace does not try to modify read-only arguments"
;
my $out = tie *STDOUT, 'TieOut';
$SIG{FAKE} = 'DEFAULT';
$sigtrap::Verbose = 1;
sigtrap->import('any', 'FAKE');
my $read = $out->read;
untie *STDOUT;
is( $SIG{FAKE}, \&sigtrap::handler_traceback, 'should set default handler' );
like( $read, qr/^Installing handler/, 'does it talk with $Verbose set?' );
# handler_die croaks with first argument
eval { sigtrap::handler_die('FAKE') };
like( $@, qr/^Caught a SIGFAKE/, 'does handler_die() croak?' );
package TieOut;
sub TIEHANDLE {
bless(\(my $scalar), $_[0]);
}
sub PRINT {
my $self = shift;
$$self .= join '', @_;
}
sub WRITE {
my ($self, $msg, $length) = @_;
$$self .= $msg;
}
sub read {
my $self = shift;
substr($$self, 0, length($$self), '');
}
|
