| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Test attribute removing to check attributeChanged callback of a custom element</title> |
| <meta name="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru"> |
| <meta name="assert" content="attributeChanged callback must be enqueued whenever custom element's attribute is removed"> |
| <link rel="help" href="http://www.w3.org/TR/custom-elements/#types-of-callbacks"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../../testcommon.js"></script> |
| <link rel="stylesheet" href="/resources/testharness.css"> |
| </head> |
| <body> |
| <div id="log"></div> |
| <script> |
| test(function() { |
| var doc = newHTMLDocument(); |
| var proto = newHTMLElementPrototype(); |
| var GeneratedConstructor = doc.registerElement('x-a', {prototype: proto}); |
| |
| var customElement = new GeneratedConstructor(); |
| //attributeChangedCallback should be called the first time here |
| customElement.setAttribute('class', 'someClass'); |
| //attributeChangedCallback should be called the second time here |
| customElement.removeAttribute('class'); |
| assert_equals(proto.attributeChangedCallbackCalledCounter, 2, 'Callback attributeChanged should be called ' + |
| 'after setAttribute() and removeAttribute() calls'); |
| }, 'Test attributeChanged callback if attribute is removed. ' + |
| 'The custom element created via constructor'); |
| |
| |
| test(function() { |
| var doc = newHTMLDocument(); |
| HTML5_ELEMENTS.forEach(function(element) { |
| var obj = doc.createElement(element); |
| var proto = newCustomElementPrototype(obj.constructor.prototype); |
| var GeneratedConstructor = doc.registerElement('x-' + element + '-' + element + '-1', { |
| prototype: proto, |
| extends: element |
| }); |
| |
| var customElement = new GeneratedConstructor(); |
| //attributeChangedCallback should be called the first time here |
| customElement.setAttribute('class', 'someClass'); |
| //attributeChangedCallback should be called the second time here |
| customElement.removeAttribute('class'); |
| assert_equals(proto.attributeChangedCallbackCalledCounter, 2, |
| 'Callback attributeChanged should be called ' + |
| 'after setAttribute() and removeAttribute() calls for "' + element + '"'); |
| }); |
| }, 'Test attributeChanged callback if attribute is removed. ' + |
| 'The custom element created via constructor and extends HTML element'); |
| |
| |
| test(function() { |
| var doc = newHTMLDocument(); |
| var proto = newHTMLElementPrototype(); |
| doc.registerElement('x-b', {prototype: proto}); |
| |
| doc.body.innerHTML = '<x-b id="x-b" class="theClass"></x-b>'; |
| var customElement = doc.querySelector('#x-b'); |
| customElement.removeAttribute('class'); |
| assert_equals(proto.attributeChangedCallbackCalledCounter, 1, |
| 'Callback attributeChanged should be called ' + |
| 'after removeAttribute() call'); |
| }, 'Test attributeChanged callback if attribute is removed. ' + |
| 'The custom element created via innerHTML property'); |
| |
| |
| test(function() { |
| var doc = newHTMLDocument(); |
| var proto = newHTMLElementPrototype(); |
| doc.registerElement('x-c', {prototype: proto}); |
| |
| doc.body.innerHTML = '<x-c id="x-c" class="theClass"></x-c>'; |
| var customElement = doc.querySelector('#x-c'); |
| customElement.removeAttribute('class'); |
| assert_equals(proto.attributeChangedCallbackArgs[2], null, |
| 'Removing an attribute should invoke ' + |
| 'the attributeChanged callback with a null new value'); |
| assert_array_equals(proto.attributeChangedCallbackArgs, |
| ['class', 'theClass', null], |
| 'Unexpected attributeChanged callback arguments'); |
| }, 'Test attributeChanged callback arguments if attribute is removed. ' + |
| 'The custom element created via innerHTML property'); |
| |
| |
| test(function() { |
| var doc = newHTMLDocument(); |
| var proto = newHTMLElementPrototype(); |
| |
| doc.body.innerHTML = '<x-d id="x-d" class="theClass"></x-d>'; |
| var customElement = doc.querySelector('#x-d'); |
| // this should not call or enqueue attributeChangedCallback |
| customElement.setAttribute('class', 'someClass'); |
| // this one should not too |
| customElement.removeAttribute('class'); |
| assert_equals(proto.attributeChangedCallbackCalledCounter, 0, |
| 'Callback attributeChanged should not be called'); |
| |
| doc.registerElement('x-d', {prototype: proto}); |
| // this call invokes attributeChangedCallback |
| customElement.setAttribute('name', 'someName'); |
| // and this one |
| customElement.removeAttribute('name'); |
| assert_equals(proto.attributeChangedCallbackCalledCounter, 2, |
| 'Callback attributeChanged should be called ' + |
| 'after setAttribute() and removeAttribute() calls'); |
| }, 'Test attributeChanged callback is not called if attribute is removed. ' + |
| 'The custom element created via innerHTML property and unresolved at first'); |
| |
| |
| testInIFrame('../../resources/x-element.html', function(doc) { |
| var proto = newHTMLElementPrototype(); |
| doc.registerElement('x-element', {prototype: proto}); |
| |
| var customElement = doc.querySelector('#x-element'); |
| customElement.setAttribute('class', 'someClass'); |
| customElement.removeAttribute('class'); |
| assert_equals(proto.attributeChangedCallbackCalledCounter, 2, |
| 'Callback attributeChanged should be called ' + |
| 'after setAttribute() and removeAttribute() calls'); |
| }, 'Test attributeChanged callback is called if attribute is removed. ' + |
| 'The custom element created via constructor and the document has browsing context'); |
| |
| |
| testInIFrame('../../resources/x-element.html', function(doc) { |
| var proto = newHTMLElementPrototype(); |
| doc.registerElement('x-element', {prototype: proto}); |
| |
| doc.body.innerHTML = '<x-element id="x-element" class="theClass"></x-element>'; |
| var customElement = doc.querySelector('#x-element'); |
| customElement.removeAttribute('class'); |
| assert_equals(proto.attributeChangedCallbackArgs[2], null, |
| 'Removing an attribute should invoke ' + |
| 'the attributeChanged callback with a null new value'); |
| assert_array_equals(proto.attributeChangedCallbackArgs, |
| ['class', 'theClass', null], |
| 'Unexpected attributeChanged callback arguments'); |
| }, 'Test attributeChanged callback arguments if attribute is removed. ' + |
| 'The custom element created via innerHTML property and the document has browsing context'); |
| |
| |
| testInIFrame('../../resources/x-element.html', function(doc) { |
| var customElement = doc.querySelector('#x-element'); |
| // this should not call or enqueue attributeChangedCallback |
| customElement.setAttribute('name', 'someName'); |
| // this one too |
| customElement.removeAttribute('name'); |
| |
| var proto = newHTMLElementPrototype(); |
| doc.registerElement('x-element', {prototype: proto}); |
| assert_equals(proto.attributeChangedCallbackCalledCounter, 0, |
| 'Callback attributeChanged should not be called'); |
| // this call invokes attributeChangedCallback |
| customElement.setAttribute('class', 'someClass'); |
| // this call invokes attributeChangedCallback at second time |
| customElement.removeAttribute('class'); |
| assert_equals(proto.attributeChangedCallbackCalledCounter, 2, |
| 'Callback attributeChanged should be called ' + |
| 'after setAttribute() and removeAttribute() calls'); |
| }, 'Test attributeChanged callback if attribute is removed. ' + |
| 'The custom element created via innerHTML property and unresolved at first. ' + |
| 'The document has browsing context'); |
| </script> |
| </body> |
| </html> |