| <!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> |
