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// Copyright 2009 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.
/**
* @fileoverview This module simplifies testing code which uses stateful
* singletons. {@code goog.testing.singleton.reset} resets all instances, so
* next time when {@code getInstance} is called, a new instance is created.
* It's recommended to reset the singletons in {@code tearDown} to prevent
* interference between subsequent tests.
*
* The {@code goog.testing.singleton} functions expect that the goog.DEBUG flag
* is enabled, and the tests are either uncompiled or compiled without renaming.
*
*/
goog.provide('goog.testing.singleton');
/**
* Deletes all singleton instances, so {@code getInstance} will return a new
* instance on next call.
*/
goog.testing.singleton.reset = function() {
var singletons = goog.getObjectByName('goog.instantiatedSingletons_');
var ctor;
while (ctor = singletons.pop()) {
delete ctor.instance_;
}
};
/**
* @deprecated Please use {@code goog.addSingletonGetter}.
*/
goog.testing.singleton.addSingletonGetter = goog.addSingletonGetter;
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