| <!DOCTYPE HTML> |
| <html> |
| <body> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| |
| <div id="container"> |
| <div> |
| <label id="label1" for="control1">Label 1</label> |
| <input id="control1" type="text"> |
| </div> |
| |
| <div> |
| <label id="label2"> |
| Label 2 |
| <input id="control2" type="text"> |
| </label> |
| </div> |
| |
| <div> |
| <label id="label3">Label 3</label> |
| <input id="control3" type="text"> |
| </div> |
| |
| <div> |
| <input id="control4" type="text"> |
| </div> |
| |
| <div> |
| <label id="label5"> |
| Label 5 |
| </label> |
| <input id="control5" type="text"> |
| </div> |
| |
| <div> |
| <label id="label6b" for="control6">Label 6b</label> |
| <label id="label6c" for="control6">Label 6c</label> |
| <input id="control6" type="text"> |
| </div> |
| </div> |
| |
| <script> |
| async_test((t) => { |
| function hasTitleUIElement(axElement) { |
| var label1 = accessibilityController.accessibleElementById("label1"); |
| var titleUIElement = axElement.nameElementAtIndex(0); |
| if (titleUIElement == null) |
| return false; |
| return titleUIElement.role == label1.role; |
| } |
| |
| function createLabelWithIdAndForAttribute(id, forAttributeValue) { |
| var labelElement = document.createElement("label"); |
| labelElement.id = id; |
| labelElement.setAttribute("for", forAttributeValue); |
| labelElement.innerText = "Label for " + forAttributeValue; |
| return labelElement; |
| } |
| |
| function reparentNodeIntoContainer(node, container) { |
| node.parentElement.removeChild(node); |
| container.appendChild(node); |
| } |
| |
| function axElement(id) { |
| return accessibilityController.accessibleElementById(id); |
| } |
| |
| assert_equals(axElement('control1').nameElementAtIndex(0).isEqual(axElement('label1')), true); |
| |
| assert_equals(axElement('control2').nameElementAtIndex(0).isEqual(axElement('label2')), true); |
| |
| // Test changing the "for" attribute dynamically. |
| assert_equals(hasTitleUIElement(axElement('control3')), false); |
| document.getElementById('label3').setAttribute('for', 'control3'); |
| assert_equals(axElement('control3').nameElementAtIndex(0), axElement('label3')); |
| |
| // Test unattached label element that's subsequently attached. |
| var label4Element = document.createElement("label"); |
| label4Element.id = "label4"; |
| label4Element.setAttribute("for", "control4"); |
| label4Element.innerText = "Label 4"; |
| var label4Element = createLabelWithIdAndForAttribute('label4', 'control4'); |
| assert_equals(hasTitleUIElement(axElement('control4')), false); |
| document.getElementById('container').appendChild(label4Element); |
| assert_equals(hasTitleUIElement(axElement('control4')), true); |
| assert_equals(axElement('control4').nameElementAtIndex(0).isEqual(axElement('label4')), true); |
| |
| // Test what happens when the label is detached. |
| label4Element.parentElement.removeChild(label4Element); |
| assert_equals(hasTitleUIElement(axElement('control4')), false); |
| |
| // Test label that gets a control reparented into it. |
| assert_equals(hasTitleUIElement(axElement('control5')), false); |
| |
| reparentNodeIntoContainer(document.getElementById('control5'), document.getElementById('label5')); |
| assert_equals(axElement('control5').nameElementAtIndex(0) != null, true); |
| assert_equals(axElement('control5').nameElementAtIndex(0).isEqual(axElement('label5')), true); |
| |
| // Make sure the first label is returned, even as labels are added and removed. |
| assert_equals(axElement('control6').nameElementAtIndex(0).isEqual(axElement('label6b')), true); |
| newLabel6Element = createLabelWithIdAndForAttribute('label6a', 'control6'); |
| document.body.insertBefore(newLabel6Element, document.body.firstChild); |
| assert_equals(axElement('control6').nameElementAtIndex(0).isEqual(axElement('label6a')), true); |
| document.body.removeChild(newLabel6Element); |
| assert_equals(axElement('control6').nameElementAtIndex(0).isEqual(axElement('label6b')), true); |
| t.done(); |
| }, "This tests that titleUIElement works correctly even when things change dynamically."); |
| |
| </script> |
| |
| </body> |
| </html> |
