chromium/third_party/google-closure-library/closure/goog/string/stringbuffer_benchmark.html

<!DOCTYPE html>
<html>
<!--
Copyright 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 Benchmarks - goog.string.StringBuffer</title>
<script src="../base.js"></script>
<script>
  goog.require('goog.string.StringBuffer');
  goog.require('goog.testing.benchmark');
</script>
<link rel="stylesheet" href="../testing/performancetable.css">
</head>
<body>
<script>

  var junkstring1 = 'try{goog$module$ModuleManager.getInstance().beforeLoadMo' +
                    'duleCode("sy177");var pi... (length: 212208)\n';
  var junkstring2 = 'try{goog$module$ModuleManager.getInstance().beforeLoadMo' +
                    'duleCode("sy48");var ppl... (length: 538942)\n';

  function benchmarkAppend() {
    var sb = new goog.string.StringBuffer();
    for (var i = 0; i < 1000; i++) {
      sb.append(junkstring1);
      sb.append(i);
    }
    sb.toString();
  }

  function benchmarkVarArgsAppend() {
    var sb = new goog.string.StringBuffer();
    for (var i = 0; i < 1000; i++) {
      sb.append(junkstring1, i, junkstring2);
      sb.append(i);
    }
    sb.toString();
  }
</script>
</body>
</html>