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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 iterable storage mechanism interface.
*
* These tests should be included in tests of any class extending
* goog.storage.mechanism.IterableMechanism.
*
*/
goog.provide('goog.storage.mechanism.iterablemechanism_test');
goog.require('goog.iter.Iterator');
goog.require('goog.storage.mechanism.IterableMechanism');
goog.require('goog.testing.asserts');
goog.setTestOnly('iterablemechanism_test');
var mechanism = null;
function testCount() {
if (!mechanism) {
return;
}
assertEquals(0, mechanism.getCount());
mechanism.set('first', 'one');
assertEquals(1, mechanism.getCount());
mechanism.set('second', 'two');
assertEquals(2, mechanism.getCount());
mechanism.set('first', 'three');
assertEquals(2, mechanism.getCount());
}
function testIteratorBasics() {
if (!mechanism) {
return;
}
mechanism.set('first', 'one');
assertEquals('first', mechanism.__iterator__(true).next());
assertEquals('one', mechanism.__iterator__(false).next());
var iterator = mechanism.__iterator__();
assertEquals('one', iterator.next());
assertEquals(goog.iter.StopIteration,
assertThrows(iterator.next));
}
function testIteratorWithTwoValues() {
if (!mechanism) {
return;
}
mechanism.set('first', 'one');
mechanism.set('second', 'two');
assertSameElements(['one', 'two'], goog.iter.toArray(mechanism));
assertSameElements(['first', 'second'],
goog.iter.toArray(mechanism.__iterator__(true)));
}
function testClear() {
if (!mechanism) {
return;
}
mechanism.set('first', 'one');
mechanism.set('second', 'two');
mechanism.clear();
assertNull(mechanism.get('first'));
assertNull(mechanism.get('second'));
assertEquals(0, mechanism.getCount());
assertEquals(goog.iter.StopIteration,
assertThrows(mechanism.__iterator__(true).next));
assertEquals(goog.iter.StopIteration,
assertThrows(mechanism.__iterator__(false).next));
}
function testClearClear() {
if (!mechanism) {
return;
}
mechanism.clear();
mechanism.clear();
assertEquals(0, mechanism.getCount());
}
function testIteratorWithWeirdKeys() {
if (!mechanism) {
return;
}
mechanism.set(' ', 'space');
mechanism.set('=+!@#$%^&*()-_\\|;:\'",./<>?[]{}~`', 'control');
mechanism.set(
'\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d\u5341', 'ten');
assertEquals(3, mechanism.getCount());
assertSameElements([
' ',
'=+!@#$%^&*()-_\\|;:\'",./<>?[]{}~`',
'\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d\u5341'
], goog.iter.toArray(mechanism.__iterator__(true)));
mechanism.clear();
assertEquals(0, mechanism.getCount());
}
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