| <html> |
| <head> |
| <script src="../resources/js-test-pre.js"></script> |
| <script src="../resources/accessibility-helper.js"></script> |
| </head> |
| <body> |
| |
| <p id="description"></p> |
| <p id="paragraph">Plain text paragraph <a id="testLink" href="#">with a link at the end</a></p> |
| |
| <div id="console"></div> |
| |
| <script> |
| window.jsTestIsAsync = true; |
| |
| description("This test ensures that a notification is being emitted when children are added or removed for an accessibility object"); |
| |
| function runTest() { |
| window.paragraphNotificationCount = 0; |
| window.globalNotificationCount = 0; |
| |
| if (window.accessibilityController) { |
| var axWebArea = accessibilityController.rootElement.childAtIndex(0); |
| |
| // Ensure the accessibility hierarchy is generated. |
| touchAccessibilityTree(axWebArea); |
| |
| window.paragraph = axWebArea.childAtIndex(1); |
| paragraph.addNotificationListener(function(notification) { |
| paragraphNotificationCount++; |
| debug("PARAGRAPH notification: " + notification); |
| }); |
| |
| accessibilityController.addNotificationListener(function(element, notification) { |
| if (!element.isEqual(paragraph)) |
| return; |
| |
| globalNotificationCount++; |
| debug("GLOBAL notification: " + notification + " on element with role " + element.role); |
| }); |
| } |
| |
| var par = document.getElementById('paragraph'); |
| window.newChild = document.createElement('button'); |
| par.appendChild(newChild); |
| |
| // Ensure the new child is added. |
| touchAccessibilityTree(axWebArea); |
| |
| window.setTimeout(function() { |
| var link = document.getElementById('testLink'); |
| link.style.display = 'none'; |
| |
| // Ensure the accessibility hierarchy is regenerated. |
| touchAccessibilityTree(axWebArea); |
| |
| shouldBe("paragraphNotificationCount", "globalNotificationCount"); |
| shouldBe("globalNotificationCount", "2"); |
| |
| if (window.accessibilityController) { |
| paragraph.removeNotificationListener(); |
| accessibilityController.removeNotificationListener(); |
| } |
| |
| finishJSTest(); |
| }, 0); |
| } |
| |
| runTest(); |
| </script> |
| |
| <script src="../resources/js-test-post.js"></script> |
| </body> |
| </html> |
