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crypt_perf.html
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crypt_perf.html
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<!DOCTYPE html>
<html>
<!--
Copyright 2009 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 Performance Tests - UTF8 encoding and decoding</title>
<link rel="stylesheet" type="text/css"
href="../testing/performancetable.css"/>
<script src="../base.js"></script>
<script>
goog.require('goog.crypt');
goog.require('goog.string');
goog.require('goog.testing.PerformanceTable');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<h1>Closure Performance Tests - UTF8 encoding and decoding</h1>
<p>
<strong>User-agent:</strong>
<script>document.write(navigator.userAgent);</script>
</p>
<div id="perfTable"></div>
<hr>
<script>
var table = new goog.testing.PerformanceTable(
goog.dom.getElement('perfTable'));
var STRING_LENGTH = 100000;
function testDecodeAscii() {
var arr = [];
for (var i = 0; i < STRING_LENGTH; i++) {
arr.push(120);
}
table.run(goog.partial(goog.crypt.utf8ByteArrayToString, arr),
'Decode UTF8 byte array with ASCII characters (1 byte / character)');
}
function testDecodeLatin() {
var arr = [];
for (var i = 0; i < STRING_LENGTH; i++) {
arr.push(195, 182);
}
table.run(goog.partial(goog.crypt.utf8ByteArrayToString, arr),
'Decode UTF8 byte array with Latin characters (2 bytes / character)');
}
function testDecodeLeftArrow() {
var arr = [];
for (var i = 0; i < STRING_LENGTH; i++) {
arr.push(226, 134, 144);
}
table.run(goog.partial(goog.crypt.utf8ByteArrayToString, arr),
'Decode UTF8 byte array with left arrows (3 bytes / character)');
}
function testEncodeAscii() {
var str = goog.string.repeat('x', STRING_LENGTH);
table.run(goog.partial(goog.crypt.stringToUtf8ByteArray, str),
'Encode ASCII string (1 byte / character)');
}
function testEncodeLatin() {
var str = goog.string.repeat('\u00F6', STRING_LENGTH);
table.run(goog.partial(goog.crypt.stringToUtf8ByteArray, str),
'Encode Latin string (2 bytes / character)');
}
function testEncodeLeftArrow() {
var str = goog.string.repeat('\u2190', STRING_LENGTH);
table.run(goog.partial(goog.crypt.stringToUtf8ByteArray, str),
'Encode left arrows (3 bytes / character)');
}
</script>
</body>
</html>