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<!DOCTYPE html>
<html>
<!--
Copyright 2008 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.MockRandom</title>
<script src="../base.js"></script>
<script>
goog.require('goog.testing.MockRandom');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
function testMockRandomInstall() {
var random = new goog.testing.MockRandom([]);
var originalRandom = Math.random;
assertFalse(!!random.installed_);
random.install();
assertTrue(random.installed_);
assertNotEquals(Math.random, originalRandom);
random.uninstall();
assertFalse(random.installed_);
assertEquals(originalRandom, Math.random);
}
function testMockRandomRandom() {
var random = new goog.testing.MockRandom([], true);
assertFalse(random.hasMoreValues());
random.inject(2);
assertTrue(random.hasMoreValues());
assertEquals(2, Math.random());
random.inject([1, 2, 3]);
assertTrue(random.hasMoreValues());
assertEquals(1, Math.random());
assertEquals(2, Math.random());
assertEquals(3, Math.random());
assertFalse(random.hasMoreValues());
assertNotUndefined(Math.random());
}
</script>
</body>
</html>
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