X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint%2FEnum.pm;h=c28bc07eaf1831553d716ed3ea835b436366ecc9;hb=245478d5ee6b5343e4d591be811582963e177bef;hp=def1402d86e2a82dad775a415497be54fe25d0c9;hpb=92d8204181e20d7b6a0144fca0a99095a7788ff4;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Meta/TypeConstraint/Enum.pm b/lib/Moose/Meta/TypeConstraint/Enum.pm
index def1402..c28bc07 100644
--- a/lib/Moose/Meta/TypeConstraint/Enum.pm
+++ b/lib/Moose/Meta/TypeConstraint/Enum.pm
@@ -6,7 +6,7 @@ use metaclass;
 
 use Moose::Util::TypeConstraints ();
 
-our $VERSION   = '0.87';
+our $VERSION   = '1.19';
 $VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
@@ -21,6 +21,22 @@ sub new {
 
     $args{parent} = Moose::Util::TypeConstraints::find_type_constraint('Str');
 
+    if ( scalar @{ $args{values} } < 2 ) {
+        require Moose;
+        Moose->throw_error("You must have at least two values to enumerate through");
+    }
+
+    for (@{ $args{values} }) {
+        if (!defined($_)) {
+            require Moose;
+            Moose->throw_error("Enum values must be strings, not undef");
+        }
+        elsif (ref($_)) {
+            require Moose;
+            Moose->throw_error("Enum values must be strings, not '$_'");
+        }
+    }
+
     my $self = $class->_new(\%args);
 
     $self->compile_type_constraint()
@@ -126,9 +142,7 @@ object!
 
 =head1 BUGS
 
-All complex software has bugs lurking in it, and this module is no
-exception. If you find a bug please either email me, or add the bug
-to cpan-RT.
+See L<Moose/BUGS> for details on reporting bugs.
 
 =head1 AUTHOR
 
@@ -136,7 +150,7 @@ Yuval Kogman E<lt>nothingmuch@cpan.orgE<gt>
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2006-2009 by Infinity Interactive, Inc.
+Copyright 2006-2010 by Infinity Interactive, Inc.
 
 L<http://www.iinteractive.com>