chao
/
mini_cocopi


			
				
					
						
						
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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 - goog.ui.Container</title>
  <link rel="stylesheet" type="text/css" href="../testing/performancetable.css"/>
  <script src="../base.js"></script>
  <script>
    goog.require('goog.testing.PerformanceTable');
    goog.require('goog.testing.jsunit');
    goog.require('goog.ui.Container');
    goog.require('goog.ui.Control');
  </script>
</head>
<body>
  <h1>goog.ui.Container Performance Tests</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'));

    // Number of controls to add to the container per test run.
    var SAMPLES_PER_RUN = 500;

    function testContainerAddChild() {
      var description = 'Add ' + SAMPLES_PER_RUN +
          ' child controls to the container with immediate rendering';
      table.run(function() {
        var container = new goog.ui.Container();
        for (var i = 0; i < SAMPLES_PER_RUN; i++) {
          container.addChild(new goog.ui.Control(), true);
        }
        container.render();
        assertEquals('container child count', SAMPLES_PER_RUN,
              container.getChildCount());
        container.dispose();
      }, description);
    }
  </script>
</body>
</html>