--- /dev/null
+#!/usr/bin/env perl
+use strict;
+use warnings;
+
+use Test::More tests => 7;
+
+{
+ package MyClass;
+ use Moose;
+ use MooseX::AlwaysCoerce;
+ use Moose::Util::TypeConstraints;
+
+ subtype 'MyType', as 'Int';
+ coerce 'MyType', from 'Str', via { length $_ };
+
+ subtype 'Uncoerced', as 'Int';
+
+ has foo => (is => 'rw', isa => 'MyType');
+
+ class_has bar => (is => 'rw', isa => 'MyType');
+
+ class_has baz => (is => 'rw', isa => 'MyType', coerce => 0);
+
+ has quux => (is => 'rw', isa => 'MyType', coerce => 0);
+
+ has uncoerced_attr => (is => 'rw', isa => 'Uncoerced');
+
+ class_has uncoerced_class_attr => (is => 'rw', isa => 'Uncoerced');
+}
+
+ok( (my $instance = MyClass->new), 'instance' );
+
+eval { $instance->foo('bar') };
+ok( (!$@), 'attribute coercion ran' );
+
+eval { $instance->bar('baz') };
+ok( (!$@), 'class attribute coercion ran' );
+
+eval { $instance->baz('quux') };
+ok( $@, 'class attribute coercion did not run with coerce => 0' );
+
+undef $@;
+
+eval { $instance->quux('mtfnpy') };
+ok( $@, 'attribute coercion did not run with coerce => 0' );
+
+eval { $instance->uncoerced_attr(10) };
+is $@, "", 'set attribute having type with no coercion and no coerce=0';
+
+eval { $instance->uncoerced_class_attr(10) };
+is $@, "", 'set class attribute having type with no coercion and no coerce=0';