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// Copyright 2011 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 Unit tests for the collectable storage interface.
*
*/
goog.provide('goog.storage.collectableStorageTester');
goog.require('goog.testing.asserts');
goog.setTestOnly('collectablestorage_test');
/**
* Tests basic operation: expiration and collection of collectable storage.
*
* @param {goog.storage.mechanism.IterableMechanism} mechanism
* @param {goog.testing.MockClock} clock
* @param {goog.storage.CollectableStorage} storage
*/
goog.storage.collectableStorageTester.runBasicTests = function(
mechanism, clock, storage) {
// No expiration.
storage.set('first', 'three seconds', 3000);
storage.set('second', 'one second', 1000);
storage.set('third', 'permanent');
storage.set('fourth', 'two seconds', 2000);
clock.tick(100);
storage.collect();
assertEquals('three seconds', storage.get('first'));
assertEquals('one second', storage.get('second'));
assertEquals('permanent', storage.get('third'));
assertEquals('two seconds', storage.get('fourth'));
// A key has expired.
clock.tick(1000);
storage.collect();
assertNull(mechanism.get('second'));
assertEquals('three seconds', storage.get('first'));
assertUndefined(storage.get('second'));
assertEquals('permanent', storage.get('third'));
assertEquals('two seconds', storage.get('fourth'));
// Another two keys have expired.
clock.tick(2000);
storage.collect();
assertNull(mechanism.get('first'));
assertNull(mechanism.get('fourth'));
assertUndefined(storage.get('first'));
assertEquals('permanent', storage.get('third'));
assertUndefined(storage.get('fourth'));
// Clean up.
storage.remove('third');
assertNull(mechanism.get('third'));
assertUndefined(storage.get('third'));
storage.collect();
clock.uninstall();
};
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