bump version to 1.19

[gitmo/Moose.git] / lib / Moose / Meta / TypeConstraint / Enum.pm

diff --git a/lib/Moose/Meta/TypeConstraint/Enum.pm b/lib/Moose/Meta/TypeConstraint/Enum.pm
index 2c985e3..c28bc07 100644 (file)
--- 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   = '1.03';
+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()