11 my $can_catch_kill = 0;
13 use Test::More tests => 18;
20 # use a version of sigtrap.pm somewhat too high
21 eval{ sigtrap->import(99999) };
22 like( $@, qr/version 99999 required,/, 'import excessive version number' );
24 # use an invalid signal name
25 eval{ sigtrap->import('abadsignal') };
26 like( $@, qr/^Unrecognized argument abadsignal/, 'send bad signame to import' );
28 eval{ sigtrap->import('handler') };
29 like( $@, qr/^No argument specified/, 'send handler without subref' );
31 sigtrap->import('AFAKE');
32 is( $SIG{AFAKE}, \&sigtrap::handler_traceback, 'install normal handler' );
34 sigtrap->import('die', 'AFAKE', 'stack-trace', 'FAKE2');
35 is( $SIG{AFAKE}, \&sigtrap::handler_die, 'install the die handler' );
36 is( $SIG{FAKE2}, \&sigtrap::handler_traceback, 'install traceback handler' );
38 my @normal = qw( HUP INT PIPE TERM );
39 @SIG{@normal} = 1 x @normal;
40 sigtrap->import('normal-signals');
41 is( (grep { ref $_ } @SIG{@normal}), @normal, 'check normal-signals set' );
43 my @error = qw( ABRT BUS EMT FPE ILL QUIT SEGV SYS TRAP );
44 @SIG{@error} = 1 x @error;
45 sigtrap->import('error-signals');
46 is( (grep { ref $_ } @SIG{@error}), @error, 'check error-signals set' );
48 my @old = qw( ABRT BUS EMT FPE ILL PIPE QUIT SEGV SYS TERM TRAP );
49 @SIG{@old} = 1 x @old;
50 sigtrap->import('old-interface-signals');
51 is( (grep { ref $_ } @SIG{@old}), @old, 'check old-interface-signals set' );
54 sigtrap->import(handler => $handler, 'FAKE3');
55 is( $SIG{FAKE3}, $handler, 'install custom handler' );
57 $SIG{FAKE} = 'IGNORE';
58 sigtrap->import('untrapped', 'FAKE');
59 is( $SIG{FAKE}, 'IGNORE', 'respect existing handler set to IGNORE' );
61 my $out = tie *STDOUT, 'TieOut';
62 $SIG{FAKE} = 'DEFAULT';
63 $sigtrap::Verbose = 1;
64 sigtrap->import('any', 'FAKE');
65 is( $SIG{FAKE}, \&sigtrap::handler_traceback, 'should set default handler' );
66 like( $out->read, qr/^Installing handler/, 'does it talk with $Verbose set?' );
68 # handler_die croaks with first argument
69 eval { sigtrap::handler_die('FAKE') };
70 like( $@, qr/^Caught a SIGFAKE/, 'does handler_die() croak?' );
73 skip( 'kill not implemented', 3) unless $can_catch_kill and
74 $Config{sig_name} =~ 'ABRT';
76 $out = tie *STDERR, 'TieOut';
77 my $line = __LINE__ + 1;
78 eval { sigtrap::handler_traceback('kudra') };
79 is( $@, '', 'handler_traceback() should not die' );
80 my $trace = $out->read();
81 like( $trace, qr/^Caught a SIGkudra/, 'check traceback message' );
82 like( $trace, qr/eval.+sigtrap.t.+$line/, 'check trace in traceback' );
88 bless(\(my $scalar), $_[0]);
93 $$self .= join '', @_;
97 my ($self, $msg, $length) = @_;
103 substr($$self, 0, length($$self), '');