Add test on type constraints with complex parameters

[gitmo/Mouse.git] / lib / Mouse / Meta / TypeConstraint.pm

diff --git a/lib/Mouse/Meta/TypeConstraint.pm b/lib/Mouse/Meta/TypeConstraint.pm
index 51b0867..13b4495 100644 (file)
--- a/lib/Mouse/Meta/TypeConstraint.pm
+++ b/lib/Mouse/Meta/TypeConstraint.pm
@@ -1,11 +1,14 @@
 package Mouse::Meta::TypeConstraint;
 use strict;
 use warnings;
-use Carp ();
 
 use overload '""'     => sub { shift->{name} },   # stringify to tc name
              fallback => 1;
 
+use Carp ();
+
+use Mouse::Util qw(:meta);
+
 sub new {
     my $class = shift;
     my %args = @_;
@@ -31,23 +34,23 @@ sub check {
 }
 
 sub validate {
-    my ($self, $value) = @_;\r
-    if ($self->{_compiled_type_constraint}->($value)) {\r
-        return undef;\r
-    }\r
-    else {\r
-        $self->get_message($value);\r
-    }\r
+    my ($self, $value) = @_;
+    if ($self->{_compiled_type_constraint}->($value)) {
+        return undef;
+    }
+    else {
+        $self->get_message($value);
+    }
 }
 
-sub assert_valid {\r
-    my ($self, $value) = @_;\r
-\r
-    my $error = $self->validate($value);\r
-    return 1 if ! defined $error;\r
+sub assert_valid {
+    my ($self, $value) = @_;
+
+    my $error = $self->validate($value);
+    return 1 if ! defined $error;
 
-    Carp::confess($error);\r
-}\r
+    Carp::confess($error);
+}
 
 
 sub message {
@@ -69,12 +72,19 @@ sub get_message {
     }
 }
 
+sub is_a_type_of{
+    my($self, $tc_name) = @_;
+
+    return $self->name eq $tc_name
+        || $self->name =~ /\A $tc_name \[/xms; # "ArrayRef" =~ "ArrayRef[Foo]"
+}
+
 1;
 __END__
 
 =head1 NAME
 
-Mouse::Meta::TypeConstraint - The Mouse Type Constraint Metaclass
+Mouse::Meta::TypeConstraint - The Mouse Type Constraint metaclass
 
 =head1 DESCRIPTION
 
@@ -96,5 +106,9 @@ Don't use this.
 
 =back
 
+=head1 SEE ALSO
+
+L<Moose::Meta::TypeConstraint>
+
 =cut