#!/usr/bin/perl -w BEGIN { if( $ENV{PERL_CORE} ) { chdir 't'; @INC = ('../lib', 'lib'); } else { unshift @INC, 't/lib'; } } use strict; use Test::More tests => 19; package Overloaded; use overload q{eq} => sub { $_[0]->{string} eq $_[1] }, q{==} => sub { $_[0]->{num} == $_[1] }, q{""} => sub { $_[0]->{stringify}++; $_[0]->{string} }, q{0+} => sub { $_[0]->{numify}++; $_[0]->{num} } ; sub new { my $class = shift; bless { string => shift, num => shift, stringify => 0, numify => 0, }, $class; } package main; local $SIG{__DIE__} = sub { my($call_file, $call_line) = (caller)[1,2]; fail("SIGDIE accidentally called"); diag("From $call_file at $call_line"); }; my $obj = Overloaded->new('foo', 42); isa_ok $obj, 'Overloaded'; cmp_ok $obj, 'eq', 'foo', 'cmp_ok() eq'; is $obj->{stringify}, 0, ' does not stringify'; is $obj, 'foo', 'is() with string overloading'; cmp_ok $obj, '==', 42, 'cmp_ok() with number overloading'; is $obj->{numify}, 0, ' does not numify'; is_deeply [$obj], ['foo'], 'is_deeply with string overloading'; ok eq_array([$obj], ['foo']), 'eq_array ...'; ok eq_hash({foo => $obj}, {foo => 'foo'}), 'eq_hash ...'; # rt.cpan.org 13506 is_deeply $obj, 'foo', 'is_deeply with string overloading at the top'; Test::More->builder->is_num($obj, 42); Test::More->builder->is_eq ($obj, "foo"); { # rt.cpan.org 14675 package TestPackage; use overload q{""} => sub { ::fail("This should not be called") }; package Foo; ::is_deeply(['TestPackage'], ['TestPackage']); ::is_deeply({'TestPackage' => 'TestPackage'}, {'TestPackage' => 'TestPackage'}); ::is_deeply('TestPackage', 'TestPackage'); } # Make sure 0 isn't a special case. [rt.cpan.org 41109] { my $obj = Overloaded->new('0', 42); isa_ok $obj, 'Overloaded'; cmp_ok $obj, 'eq', '0', 'cmp_ok() eq'; is $obj->{stringify}, 0, ' does not stringify'; is $obj, '0', 'is() with string overloading'; }