accessibility-developer-tools
Version:
This is a library of accessibility-related testing and utility code.
168 lines (150 loc) • 5.94 kB
HTML
<html>
<!--
Copyright 2008 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.
-->
<!--
Author: attila@google.com (Attila Bodis)
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Performance Tests - goog.ui.Control</title>
<link rel="stylesheet" type="text/css" href="../testing/performancetable.css" />
<script src="../base.js"></script>
<script>
goog.require('goog.dom');
goog.require('goog.testing.PerformanceTable');
goog.require('goog.testing.jsunit');
goog.require('goog.ui.Control');
goog.require('goog.dom.TagName');
</script>
</head>
<body>
<h1>goog.ui.Control Performance Tests</h1>
<p>
<b>User-agent:</b> <script>document.write(navigator.userAgent);</script>
</p>
<div id="perfTable"></div>
<hr>
<div id="renderSandbox"></div>
<div id="decorateSandbox"></div>
<script>
// The sandboxen.
var renderSandbox = goog.dom.getElement('renderSandbox');
var decorateSandbox = goog.dom.getElement('decorateSandbox');
// Arrays of rendered/decorated controls (so we can dispose of them).
var renderedControls;
var decoratedControls;
// 0-based index of the control currently being rendered/decorated.
var renderIndex;
var decorateIndex;
// Element currently being decorated.
var elementToDecorate;
// Number of controls to create/decorate per test run.
var SAMPLES_PER_RUN = 100;
// The performance table.
var table;
// Sets up a render test.
function setUpRenderTest() {
renderedControls = [];
renderIndex = 0;
}
// Cleans up after a render test.
function cleanUpAfterRenderTest() {
for (var i = 0, count = renderedControls.length; i < count; i++) {
renderedControls[i].dispose();
}
renderedControls = null;
goog.dom.removeChildren(renderSandbox);
}
// Sets up a decorate test.
function setUpDecorateTest(opt_count) {
var count = opt_count || 1000;
for (var i = 0; i < count; i++) {
decorateSandbox.appendChild(goog.dom.createDom(goog.dom.TagName.DIV, 'goog-control',
'W00t!'));
}
elementToDecorate = decorateSandbox.firstChild;
decoratedControls = [];
decorateIndex = 0;
}
// Cleans up after a decorate test.
function cleanUpAfterDecorateTest() {
for (var i = 0, count = decoratedControls.length; i < count; i++) {
decoratedControls[i].dispose();
}
decoratedControls = null;
goog.dom.removeChildren(decorateSandbox);
}
// Renders the given number of controls. Since children are appended to
// the same parent element in each performance test run, we keep track of
// the current index via the global renderIndex variable.
function renderControls(count, autoDetectBiDi) {
for (var i = 0; i < count; i++) {
var control = new goog.ui.Control('W00t!');
if (!autoDetectBiDi) {
control.setRightToLeft(false);
}
control.render(renderSandbox);
renderedControls[renderIndex++] = control;
}
}
// Decorates "count" controls. The decorate sandbox contains enough child
// elements for the whole test, but we only decorate up to "count" elements
// per test run, so we need to keep track of where we are via the global
// decorateIndex and elementToDecorate variables.
function decorateControls(count, autoDetectBiDi) {
for (var i = 0; i < count; i++) {
var next = elementToDecorate.nextSibling;
var control = new goog.ui.Control();
if (!autoDetectBiDi) {
control.setRightToLeft(false);
}
control.decorate(elementToDecorate);
decoratedControls[decorateIndex++] = control;
elementToDecorate = next;
}
}
function setUpPage() {
table = new goog.testing.PerformanceTable(
goog.dom.getElement('perfTable'));
}
function testRender() {
setUpRenderTest();
table.run(goog.partial(renderControls, SAMPLES_PER_RUN, true),
'Render ' + SAMPLES_PER_RUN + ' controls (default)');
cleanUpAfterRenderTest();
assertEquals('The expected number of controls must have been rendered',
SAMPLES_PER_RUN * table.getTimer().getNumSamples(), renderIndex);
}
function testDecorate() {
setUpDecorateTest(SAMPLES_PER_RUN * table.getTimer().getNumSamples());
table.run(goog.partial(decorateControls, SAMPLES_PER_RUN, true),
'Decorate ' + SAMPLES_PER_RUN + ' controls (default)');
cleanUpAfterDecorateTest();
assertEquals('The expected number of controls must have been decorated',
SAMPLES_PER_RUN * table.getTimer().getNumSamples(), decorateIndex);
assertNull('All controls must have been decorated', elementToDecorate);
}
function testRenderNoBiDiAutoDetect() {
setUpRenderTest();
table.run(goog.partial(renderControls, SAMPLES_PER_RUN, false),
'Render ' + SAMPLES_PER_RUN + ' controls (no BiDi auto-detect)');
cleanUpAfterRenderTest();
assertEquals('The expected number of controls must have been rendered',
SAMPLES_PER_RUN * table.getTimer().getNumSamples(), renderIndex);
}
function testDecorateNoBiDiAutoDetect() {
setUpDecorateTest(SAMPLES_PER_RUN * table.getTimer().getNumSamples());
table.run(goog.partial(decorateControls, SAMPLES_PER_RUN, false),
'Decorate ' + SAMPLES_PER_RUN + ' controls (no BiDi auto-detect)');
cleanUpAfterDecorateTest();
assertEquals('The expected number of controls must have been decorated',
SAMPLES_PER_RUN * table.getTimer().getNumSamples(), decorateIndex);
assertNull('All controls must have been decorated', elementToDecorate);
}
</script>
</body>
</html>