Add with_immutable to Test::Mouse

diff --git a/lib/Test/Mouse.pm b/lib/Test/Mouse.pm
index 34697eb..a9583bf 100644 (file)
--- a/lib/Test/Mouse.pm
+++ b/lib/Test/Mouse.pm
@@ -10,6 +10,7 @@ Mouse::Exporter->setup_import_methods(
         meta_ok
         does_ok
         has_attribute_ok
+        with_immutable
     )],
 );
 
@@ -60,6 +61,20 @@ sub has_attribute_ok ($$;$) {
     }
 }
 
+sub with_immutable (&@) {
+    my $block = shift;
+
+    my $before = $Test->current_test;
+
+    $block->();
+    $_->meta->make_immutable for @_;
+    $block->();
+
+    my $num_tests = $Test->current_test - $before;
+
+    return !grep{ !$_ } ($Test->summary)[-$num_tests .. -1];
+}
+
 1;
 __END__