javascript/atoms/test/text_benchmark.html

<!DOCTYPE html>
<!--
Copyright 2011 WebDriver committers
Copyright 2011 Google Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<html>
<head>
  <title>text_benchmark.html</title>
  <script src="test_bootstrap.js"></script>
  <script type="text/javascript">
    goog.require('bot.dom');
    goog.require('goog.dom');
    goog.require('goog.dom.TagName');
    goog.require('goog.testing.PerformanceTable');
    goog.require('goog.testing.PerformanceTimer');
    goog.require('goog.testing.TestCase');
  </script>
  <script type="text/javascript">
    /* This benchmarking tool is modeled after goog.testing.benchmark.
     * It has been forked to ensure results are written to a specific
     * DOM element so we don't lose our DOM below (which is used in the
     * benchmarking.
     */
    window.onload = function() {
      // Parse the 'times' query parameter if it's set.
      var times = 200;
      var search = window.location.search;
      var timesMatch = search.match(/(?:\?|&)times=([^?&]+)/i);
      if (timesMatch) {
        times = timesMatch[1];
      }

      var prefix = 'benchmark';

      // First, get the functions.
      var testSource = goog.testing.TestCase.getGlobals(prefix);

      var benchmarks = {};
      var names = [];

      for (var name in testSource) {
        try {
          var ref = testSource[name];
        } catch (ex) {
          // NOTE(user): When running tests from a file:// URL on Firefox 3.5
          // for Windows, any reference to window.sessionStorage raises
          // an "Operation is not supported" exception. Ignore any exceptions
          // raised by simply accessing global properties.
        }

        if ((new RegExp('^' + prefix)).test(name) && goog.isFunction(ref)) {
          benchmarks[name] = ref;
          names.push(name);
        }
      }

      document.body.appendChild(
          goog.dom.createTextNode(
              'Running ' + names.length + ' benchmarks ' + times + ' times each.'));
      document.body.appendChild(goog.dom.createElement(goog.dom.TagName.BR));

      names.sort();

      // Build a table and timer.
      var performanceTimer = new goog.testing.PerformanceTimer(times);
      performanceTimer.setDiscardOutliers(true);

      var results = document.createElement('div');
      document.body.appendChild(results);
      var performanceTable = new goog.testing.PerformanceTable(results,
          performanceTimer, 2);

      setUp();

      // Next, run the benchmarks.
      for (var i = 0; i < names.length; i++) {
        performanceTable.run(benchmarks[names[i]], names[i]);
      }
    };

    var h1, p1, p2;

    function setUp() {
      h1 = document.getElementsByTagName('h1')[0];
      var pTags = document.getElementsByTagName('p');
      p1 = pTags[0];
      p2 = pTags[1];
    }

    function benchmarkGetText_fromH1() {
      bot.dom.getVisibleText(h1);
    }

    function benchmarkGetText_fromH1Span() {
      bot.dom.getVisibleText(h1.firstChild);
    }

    function benchmarkGetText_fromFirstP() {
      bot.dom.getVisibleText(p1);
    }

    function benchmarkGetText_fromSecondP() {
      bot.dom.getVisibleText(p2);
    }

    function benchmarkGetText_fromBody() {
      bot.dom.getVisibleText(document.body);
    }
  </script>
</head>
<body>
<h1><span>Lorem ipsum</span></h1>
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus feugiat arcu
in ipsum imperdiet sagittis. Sed tempus pulvinar nisl, id molestie nunc
accumsan nec. Morbi malesuada, sem at mollis fermentum, ipsum est sagittis
eros, a convallis nisl purus id turpis. Donec velit neque, mattis eu aliquam
a, fringilla vitae neque. Proin pellentesque nisi eget nulla egestas sodales
ultrices nulla molestie. Ut mollis cursus metus, in dictum justo euismod ut.
Ut ipsum elit, lacinia at consectetur auctor, porttitor sit amet dui.
Maecenas nisl justo, tempor mattis imperdiet a, rhoncus ac mi. In hac habitasse
platea dictumst. Pellentesque malesuada sodales tincidunt. Etiam fringilla
mattis massa gravida euismod. Mauris ut odio et sapien tempus faucibus in et
purus. In varius, justo vel porta elementum, risus ante porttitor elit, et
lobortis quam nibh et elit. Vivamus elementum, odio commodo tempus commodo,
ipsum lectus placerat enim, et pharetra arcu nibh non turpis. Vestibulum ante
ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Ut
elementum felis vitae ligula congue non consectetur risus interdum. Aliquam
non nisl ac nibh aliquam feugiat vitae quis sapien. In ultricies scelerisque
neque, nec porta sem lobortis nec. Curabitur pulvinar pretium bibendum.
</p>
<p>
Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac
turpis egestas. Sed blandit adipiscing ipsum vitae venenatis. Duis purus
augue, mollis in faucibus id, consectetur sed nunc. Curabitur iaculis elit nec
est congue vitae suscipit lacus varius. Etiam eget tellus at orci pellentesque
tincidunt sit amet vitae tellus. Quisque ante ipsum, convallis ac tincidunt ut,
feugiat et turpis. Nullam facilisis lacinia mi, sit amet porttitor ante
interdum eu. Aenean ut ipsum in elit suscipit malesuada eu rutrum sapien.
Integer tincidunt ipsum vitae ligula ultricies pretium. Duis consectetur, elit
mollis pulvinar cursus, lorem magna vulputate orci, at varius dui tellus sed
metus. Pellentesque quis enim urna, eu ultricies nunc. Maecenas dolor diam,
viverra nec bibendum eu, rutrum eu turpis. Donec vestibulum dolor ut massa
commodo suscipit. Morbi erat tellus, semper ut sodales eu, gravida a diam.
</p>
</body>
</html>