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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 storage mechanism sharing.
*
* These tests should be included in tests of any storage mechanism in which
* separate mechanism instances share the same underlying storage. Most (if
* not all) storage mechanisms should have this property. If the mechanism
* employs namespaces, make sure the same namespace is used for both objects.
*
*/
goog.provide('goog.storage.mechanism.mechanismSharingTester');
goog.require('goog.iter.StopIteration');
/** @suppress {extraRequire} */
goog.require('goog.storage.mechanism.mechanismTestDefinition');
goog.require('goog.testing.asserts');
goog.setTestOnly('goog.storage.mechanism.mechanismSharingTester');
function testSharedSet() {
if (!mechanism || !mechanism_shared) {
return;
}
mechanism.set('first', 'one');
assertEquals('one', mechanism_shared.get('first'));
assertEquals(1, mechanism_shared.getCount());
var iterator = mechanism_shared.__iterator__();
assertEquals('one', iterator.next());
assertEquals(goog.iter.StopIteration, assertThrows(iterator.next));
}
function testSharedSetInverse() {
if (!mechanism || !mechanism_shared) {
return;
}
mechanism_shared.set('first', 'two');
assertEquals('two', mechanism.get('first'));
assertEquals(1, mechanism.getCount());
var iterator = mechanism.__iterator__();
assertEquals('two', iterator.next());
assertEquals(goog.iter.StopIteration, assertThrows(iterator.next));
}
function testSharedRemove() {
if (!mechanism || !mechanism_shared) {
return;
}
mechanism_shared.set('first', 'three');
mechanism.remove('first');
assertNull(mechanism_shared.get('first'));
assertEquals(0, mechanism_shared.getCount());
assertEquals(
goog.iter.StopIteration,
assertThrows(mechanism_shared.__iterator__().next));
}
function testSharedClean() {
if (!mechanism || !mechanism_shared) {
return;
}
mechanism.set('first', 'four');
mechanism_shared.clear();
assertEquals(0, mechanism.getCount());
assertEquals(
goog.iter.StopIteration, assertThrows(mechanism.__iterator__().next));
}
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