1#!./perl 2 3BEGIN { 4 chdir 't' if -d 't'; 5 @INC = '../lib'; 6} 7 8use strict; 9use Config; 10 11use Test::More tests => 15; 12 13use_ok( 'sigtrap' ); 14 15package main; 16local %SIG; 17 18# use a version of sigtrap.pm somewhat too high 19eval{ sigtrap->import(99999) }; 20like( $@, qr/version 99999 required,/, 'import excessive version number' ); 21 22# use an invalid signal name 23eval{ sigtrap->import('abadsignal') }; 24like( $@, qr/^Unrecognized argument abadsignal/, 'send bad signame to import' ); 25 26eval{ sigtrap->import('handler') }; 27like( $@, qr/^No argument specified/, 'send handler without subref' ); 28 29sigtrap->import('AFAKE'); 30is( $SIG{AFAKE}, \&sigtrap::handler_traceback, 'install normal handler' ); 31 32sigtrap->import('die', 'AFAKE', 'stack-trace', 'FAKE2'); 33is( $SIG{AFAKE}, \&sigtrap::handler_die, 'install the die handler' ); 34is( $SIG{FAKE2}, \&sigtrap::handler_traceback, 'install traceback handler' ); 35 36my @normal = qw( HUP INT PIPE TERM ); 37@SIG{@normal} = 1 x @normal; 38sigtrap->import('normal-signals'); 39is( (grep { ref $_ } @SIG{@normal}), @normal, 'check normal-signals set' ); 40 41my @error = qw( ABRT BUS EMT FPE ILL QUIT SEGV SYS TRAP ); 42@SIG{@error} = 1 x @error; 43sigtrap->import('error-signals'); 44is( (grep { ref $_ } @SIG{@error}), @error, 'check error-signals set' ); 45 46my @old = qw( ABRT BUS EMT FPE ILL PIPE QUIT SEGV SYS TERM TRAP ); 47@SIG{@old} = 1 x @old; 48sigtrap->import('old-interface-signals'); 49is( (grep { ref $_ } @SIG{@old}), @old, 'check old-interface-signals set' ); 50 51my $handler = sub {}; 52sigtrap->import(handler => $handler, 'FAKE3'); 53is( $SIG{FAKE3}, $handler, 'install custom handler' ); 54 55$SIG{FAKE} = 'IGNORE'; 56sigtrap->import('untrapped', 'FAKE'); 57is( $SIG{FAKE}, 'IGNORE', 'respect existing handler set to IGNORE' ); 58 59my $out = tie *STDOUT, 'TieOut'; 60$SIG{FAKE} = 'DEFAULT'; 61$sigtrap::Verbose = 1; 62sigtrap->import('any', 'FAKE'); 63is( $SIG{FAKE}, \&sigtrap::handler_traceback, 'should set default handler' ); 64like( $out->read, qr/^Installing handler/, 'does it talk with $Verbose set?' ); 65 66# handler_die croaks with first argument 67eval { sigtrap::handler_die('FAKE') }; 68like( $@, qr/^Caught a SIGFAKE/, 'does handler_die() croak?' ); 69 70package TieOut; 71 72sub TIEHANDLE { 73 bless(\(my $scalar), $_[0]); 74} 75 76sub PRINT { 77 my $self = shift; 78 $$self .= join '', @_; 79} 80 81sub WRITE { 82 my ($self, $msg, $length) = @_; 83 $$self .= $msg; 84} 85 86sub read { 87 my $self = shift; 88 substr($$self, 0, length($$self), ''); 89} 90