#!./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), '');

}