--- /dev/null
+# See also http://rt.cpan.org/Public/Bug/Display.html?id=55048
+package MyInteger;
+use Mouse;
+
+has a_int => (
+ is => 'rw',
+ isa => 'Int',
+);
+
+has a_num => (
+ is => 'rw',
+ isa => 'Num',
+);
+
+package main;
+use Test::More tests => 24;
+
+foreach my $i(2**32, 2**40, 2**46) {
+ for my $sig(1, -1) {
+ my $value = $i * $sig;
+
+ my $int = MyInteger->new( a_int => $value )->a_int;
+ cmp_ok($int, '==', $value, "Mouse groked the Int $i");
+
+
+ my $num = MyInteger->new( a_num => $value )->a_num;
+ cmp_ok($num, '==', $value, "Mouse groked the Num $i");
+
+ $value += 0.5;
+
+ eval { MyInteger->new( a_int => $value ) };
+ like $@, qr/does not pass the type constraint/, "Mouse does not regard $value as Int";
+ eval { MyInteger->new( a_num => $value ) };
+ is $@, '', "Mouse regards $value as Num";
+ }
+}
+