1#!./perl 2 3BEGIN { 4 chdir 't' if -d 't'; 5 @INC = '../lib'; 6 require './test.pl'; 7} 8 9use strict; 10use Config; 11 12plan 16; 13 14use_ok( 'sigtrap' ); 15 16package main; 17local %SIG; 18 19# use a version of sigtrap.pm somewhat too high 20eval{ sigtrap->import(99999) }; 21like( $@, qr/version 99999 required,/, 'import excessive version number' ); 22 23# use an invalid signal name 24eval{ sigtrap->import('abadsignal') }; 25like( $@, qr/^Unrecognized argument abadsignal/, 'send bad signame to import' ); 26 27eval{ sigtrap->import('handler') }; 28like( $@, qr/^No argument specified/, 'send handler without subref' ); 29 30sigtrap->import('AFAKE'); 31is( $SIG{AFAKE}, \&sigtrap::handler_traceback, 'install normal handler' ); 32 33sigtrap->import('die', 'AFAKE', 'stack-trace', 'FAKE2'); 34is( $SIG{AFAKE}, \&sigtrap::handler_die, 'install the die handler' ); 35is( $SIG{FAKE2}, \&sigtrap::handler_traceback, 'install traceback handler' ); 36 37my @normal = qw( HUP INT PIPE TERM ); 38@SIG{@normal} = 1 x @normal; 39sigtrap->import('normal-signals'); 40is( (grep { ref $_ } @SIG{@normal}), @normal, 'check normal-signals set' ); 41 42my @error = qw( ABRT BUS EMT FPE ILL QUIT SEGV SYS TRAP ); 43@SIG{@error} = 1 x @error; 44sigtrap->import('error-signals'); 45is( (grep { ref $_ } @SIG{@error}), @error, 'check error-signals set' ); 46 47my @old = qw( ABRT BUS EMT FPE ILL PIPE QUIT SEGV SYS TERM TRAP ); 48@SIG{@old} = 1 x @old; 49sigtrap->import('old-interface-signals'); 50is( (grep { ref $_ } @SIG{@old}), @old, 'check old-interface-signals set' ); 51 52my $handler = sub {}; 53sigtrap->import(handler => $handler, 'FAKE3'); 54is( $SIG{FAKE3}, $handler, 'install custom handler' ); 55 56$SIG{FAKE} = 'IGNORE'; 57sigtrap->import('untrapped', 'FAKE'); 58is( $SIG{FAKE}, 'IGNORE', 'respect existing handler set to IGNORE' ); 59 60fresh_perl_like 61 ' 62 BEGIN { *CORE::GLOBAL::kill = sub {} } 63 require sigtrap; 64 import sigtrap "INT"; 65 sub { $SIG{INT}->("INT") } -> (3) 66 ', 67 qr/\$ = main::__ANON__\(3\) called/, 68 { stderr => 1 }, 69 "stack-trace does not try to modify read-only arguments" 70; 71 72my $out = tie *STDOUT, 'TieOut'; 73$SIG{FAKE} = 'DEFAULT'; 74$sigtrap::Verbose = 1; 75sigtrap->import('any', 'FAKE'); 76my $read = $out->read; 77untie *STDOUT; 78is( $SIG{FAKE}, \&sigtrap::handler_traceback, 'should set default handler' ); 79like( $read, qr/^Installing handler/, 'does it talk with $Verbose set?' ); 80 81# handler_die croaks with first argument 82eval { sigtrap::handler_die('FAKE') }; 83like( $@, qr/^Caught a SIGFAKE/, 'does handler_die() croak?' ); 84 85package TieOut; 86 87sub TIEHANDLE { 88 bless(\(my $scalar), $_[0]); 89} 90 91sub PRINT { 92 my $self = shift; 93 $$self .= join '', @_; 94} 95 96sub WRITE { 97 my ($self, $msg, $length) = @_; 98 $$self .= $msg; 99} 100 101sub read { 102 my $self = shift; 103 substr($$self, 0, length($$self), ''); 104} 105