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#!/usr/bin/env perl
use strict;
use warnings;
use Test::More tests => 14;
use Test::Exception;
use Mouse::Util::TypeConstraints;
do {
package My::Class;
use Mouse;
use Mouse::Util::TypeConstraints;
subtype 'NonemptyStr'
=> as 'Str'
=> where { length $_ }
=> message { "The string is empty!" };
subtype 'MyClass'
=> as 'Object'
=> where { $_->isa(__PACKAGE__) };
has name => (
is => 'ro',
isa => 'NonemptyStr',
);
};
ok(My::Class->new(name => 'foo'));
throws_ok { My::Class->new(name => '') } qr/^Attribute \(name\) does not pass the type constraint because: The string is empty!/;
my $st = subtype as 'Str', where{ length };
ok $st->is_a_type_of('Str');
ok!$st->is_a_type_of('NoemptyStr');
ok $st->check('Foo');
ok!$st->check(undef);
ok!$st->check('');
lives_and{
my $tc = find_type_constraint('MyClass');
ok $tc->check(My::Class->new());
ok!$tc->check('My::Class');
ok!$tc->check([]);
ok!$tc->check(undef);
};
package Foo;
use Mouse::Util::TypeConstraints;
$st = subtype as 'Int', where{ $_ > 0 };
::ok $st->is_a_type_of('Int');
::ok $st->check(10);
::ok!$st->check(0);
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