// Copyright 2013 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

goog.provide('goog.events.ListenableTest');
goog.setTestOnly('goog.events.ListenableTest');

goog.require('goog.events.Listenable');
goog.require('goog.testing.jsunit');

function testIsImplementedBy() {
  var ListenableClass = function() {};
  goog.events.Listenable.addImplementation(ListenableClass);

  var NonListenableClass = function() {};

  assertTrue(goog.events.Listenable.isImplementedBy(new ListenableClass()));
  assertFalse(goog.events.Listenable.isImplementedBy(new NonListenableClass()));
}
