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--- a/contexts/data/lib/closure-library/closure/goog/dom/a11y_test.html
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-<!DOCTYPE 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 Unit Tests - goog.dom.a11y</title>
- <script src="../base.js"></script>
- <script>
- goog.require('goog.dom');
- goog.require('goog.dom.a11y');
- goog.require('goog.dom.a11y.Announcer');
- goog.require('goog.dom.a11y.LivePriority');
- goog.require('goog.dom.a11y.Role');
- goog.require('goog.dom.a11y.State');
- goog.require('goog.dom.iframe');
- goog.require('goog.testing.jsunit');
- goog.require('goog.userAgent');
- </script>
-</head>
-<body>
- <div id="sandbox"></div>
- <script>
- var sandbox = goog.dom.getElement('sandbox');
- var someDiv;
- var someSpan;
-
- function setUp() {
- someDiv = goog.dom.createDom('div', {id: 'someDiv'}, 'DIV');
- someSpan = goog.dom.createDom('span', {id: 'someSpan'}, 'SPAN');
- sandbox.appendChild(someDiv);
- someDiv.appendChild(someSpan);
- }
-
- function tearDown() {
- sandbox.innerHTML = '';
- someDiv = null;
- someSpan = null;
- }
-
- function testGetSetRole() {
- assertEquals('someDiv\'s role should be the empty string',
- '', goog.dom.a11y.getRole(someDiv));
- assertEquals('someSpan\'s role should be the empty string',
- '', goog.dom.a11y.getRole(someSpan));
-
- goog.dom.a11y.setRole(someDiv, goog.dom.a11y.Role.MENU);
- goog.dom.a11y.setRole(someSpan, goog.dom.a11y.Role.MENU_ITEM);
-
- assertEquals('someDiv\'s role should be MENU',
- goog.dom.a11y.Role.MENU, goog.dom.a11y.getRole(someDiv));
- assertEquals('someSpan\'s role should be MENU_ITEM',
- goog.dom.a11y.Role.MENU_ITEM, goog.dom.a11y.getRole(someSpan));
-
- var div = goog.dom.createElement('div');
- sandbox.appendChild(div);
- div.innerHTML = '<span id="anotherSpan" role="' +
- goog.dom.a11y.Role.CHECKBOX + '"></span>';
- assertEquals('anotherSpan\'s role should be CHECKBOX',
- goog.dom.a11y.Role.CHECKBOX,
- goog.dom.a11y.getRole(document.getElementById('anotherSpan')));
- }
-
- function testGetSetState() {
- assertEquals('someDiv\'s state should be the empty string',
- '', goog.dom.a11y.getState(someDiv));
-
- goog.dom.a11y.setState(someDiv, goog.dom.a11y.State.LABELLEDBY,
- 'someSpan');
-
- assertEquals(
- 'someDiv\'s labelledby state should be "someSpan"',
- 'someSpan',
- goog.dom.a11y.getState(someDiv, goog.dom.a11y.State.LABELLEDBY));
- }
-
- function testGetSetActiveDescendant() {
- goog.dom.a11y.setActiveDescendant(someDiv, null);
- assertNull('someDiv\'s activedescendant should be null',
- goog.dom.a11y.getActiveDescendant(someDiv));
-
- goog.dom.a11y.setActiveDescendant(someDiv, someSpan);
-
- assertEquals(
- 'someDiv\'s active descendant should be "someSpan"',
- someSpan,
- goog.dom.a11y.getActiveDescendant(someDiv));
- }
-
- function testAnnouncerAndDispose() {
- var text = 'test content';
- var announcer = new goog.dom.a11y.Announcer(goog.dom.getDomHelper());
- announcer.say(text);
- checkLiveRegionContains(text, 'polite');
- goog.dispose(announcer);
- }
-
- function testAnnouncerTwice() {
- var text = 'test content1';
- var text2 = 'test content2';
- var announcer = new goog.dom.a11y.Announcer(goog.dom.getDomHelper());
- announcer.say(text);
- announcer.say(text2);
- checkLiveRegionContains(text2, 'polite');
- goog.dispose(announcer);
- }
-
- function testAnnouncerAssertive() {
- var text = 'test content';
- var announcer = new goog.dom.a11y.Announcer(goog.dom.getDomHelper());
- announcer.say(text, goog.dom.a11y.LivePriority.ASSERTIVE);
- checkLiveRegionContains(text, 'assertive');
- goog.dispose(announcer);
- }
-
- function testAnnouncerInIframe() {
- var text = 'test content';
- var frame = goog.dom.iframe.createWithContent(sandbox);
- var helper = goog.dom.getDomHelper(
- goog.dom.getFrameContentDocument(frame).body);
- var announcer = new goog.dom.a11y.Announcer(helper);
- announcer.say(text, 'polite', helper);
- checkLiveRegionContains(text, 'polite', helper);
- goog.dispose(announcer);
- }
-
- function checkLiveRegionContains(text, priority, opt_domHelper) {
- var dom = opt_domHelper || goog.dom.getDomHelper();
- var divs = dom.getElementsByTagNameAndClass('div', null);
- var liveRegions = [];
- goog.array.forEach(divs, function(div) {
- if (goog.dom.a11y.getState(div, 'live') == priority) {
- liveRegions.push(div);
- }
- });
- assertEquals(1, liveRegions.length);
- assertEquals(text, goog.dom.getTextContent(liveRegions[0]));
- }
- </script>
-</body>
-</html>