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#!perl -w
use strict;
use Test::More;
use Data::Util qw(is_instance);
BEGIN{
if(exists $INC{'Data/Util/PurePerl.pm'}){
plan skip_all => 'For XS only';
}
else{
plan tests => 26;
}
}
local $SIG{__WARN__} = sub{}; # ignore
BEGIN{
no warnings;
sub UNIVERSAL::new{
bless {} => shift;
}
package Foo;
our @ISA = (undef, 1, [], \&new, 'Base');
sub new{
bless {} => shift;
}
package X;
our @ISA = qw(A);
package Y;
package Z;
package Bar;
our @ISA = qw(::X main::Y ::main::main::Z);
my $instance = bless {} => '::main::main::Bar';
sub instance{ $instance }
package main::Ax;
package ::Bx;
our @ISA = qw(Ax);
package ::main::main::Cx;
our @ISA = qw(Bx);
}
my $o = Foo->new();
ok is_instance($o, 'Foo');
ok is_instance($o, 'Base');
ok is_instance($o, 'UNIVERSAL');
@Foo::ISA = ();
ok is_instance($o, 'Foo');
ok!(is_instance($o, 'Base'));
ok is_instance($o, 'UNIVERSAL');
ok is_instance($o, '::Foo');
ok is_instance($o, 'main::Foo');
ok is_instance($o, 'main::main::Foo');
ok is_instance($o, '::main::main::UNIVERSAL');
ok!is_instance($o, '::::Foo');
ok!is_instance($o, 'Fooo');
ok!is_instance($o, 'FoO');
ok!is_instance($o, 'foo');
ok!is_instance($o, 'mai');
ok!is_instance($o, 'UNIVERSA');
$o = Bar->instance;
ok is_instance($o, 'Bar');
ok is_instance($o, 'X');
ok is_instance($o, 'Y');
ok is_instance($o, 'Z');
ok is_instance($o, '::Z');
ok!is_instance($o, 'main');
ok!is_instance($o, 'main::');
ok is_instance(Cx->new, 'Ax');
ok is_instance(Cx->new, 'Bx');
ok is_instance(Cx->new, 'Cx');
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