--- /dev/null
+#!/usr/bin/perl
+
+# In the case where a child type constraint's parent constraint fails,
+# the exception should reference the parent type constraint that actually
+# failed instead of always referencing the child'd type constraint
+
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Fatal;
+
+BEGIN {
+ use_ok('Moose::Util::TypeConstraints');
+}
+
+is( exception {
+ subtype 'ParentConstraint' => as 'Str' => where {0};
+}, undef, 'specified parent type constraint' );
+
+my $tc;
+is( exception {
+ $tc = subtype 'ChildConstraint' => as 'ParentConstraint' => where {1};
+}, undef, 'specified child type constraint' );
+
+{
+ my $errmsg = $tc->validate();
+
+ TODO: {
+ local $TODO = 'Not yet supported';
+ ok($errmsg !~ /Validation failed for 'ChildConstraint'/, 'exception references failing parent constraint');
+ };
+}
+
+done_testing;