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<!DOCTYPE html>
<html>
<!--
Copyright 2011 The Closure Library Authors. All Rights Reserved.

Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--

-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.testing.MockStorage</title>
<script src="../base.js"></script>
<script>
  goog.require('goog.testing.MockStorage');
  goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
  var instance;

  function setUp() {
    instance = new goog.testing.MockStorage();
  }

  /**
   * Tests the MockStorage interface.
   */
  function testMockStorage() {
    assertEquals(0, instance.length);

    instance.setItem('foo', 'bar');
    assertEquals(1, instance.length);
    assertEquals('bar', instance.getItem('foo'));
    assertEquals('foo', instance.key(0));

    instance.setItem('foo', 'baz');
    assertEquals('baz', instance.getItem('foo'));

    instance.setItem('goo', 'gl');
    assertEquals(2, instance.length);
    assertEquals('gl', instance.getItem('goo'));
    assertEquals('goo', instance.key(1));

    assertNull(instance.getItem('poogle'));

    instance.removeItem('foo');
    assertEquals(1, instance.length);
    assertEquals('goo', instance.key(0));

    instance.setItem('a', 12);
    assertEquals('12', instance.getItem('a'));
    instance.setItem('b', false);
    assertEquals('false', instance.getItem('b'));
    instance.setItem('c', {a: 1, b: 12});
    assertEquals('[object Object]', instance.getItem('c'));

    instance.clear();
    assertEquals(0, instance.length);

    // Test some special cases.
    instance.setItem('emptyString', '');
    assertEquals('', instance.getItem('emptyString'));
    instance.setItem('isNull', null);
    assertEquals('null', instance.getItem('isNull'))
    instance.setItem('isUndefined', undefined);
    assertEquals('undefined', instance.getItem('isUndefined'))
    instance.setItem('', 'empty key');
    assertEquals('empty key', instance.getItem(''));
    assertEquals(4, instance.length);
  }

</script>
</body>
</html>