Index: LayoutTests/imported/web-platform-tests/custom-elements/custom-element-lifecycle/types-of-callbacks/attribute-changed-callback-remove-attribute-test.html |
diff --git a/LayoutTests/imported/web-platform-tests/custom-elements/custom-element-lifecycle/types-of-callbacks/attribute-changed-callback-remove-attribute-test.html b/LayoutTests/imported/web-platform-tests/custom-elements/custom-element-lifecycle/types-of-callbacks/attribute-changed-callback-remove-attribute-test.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..840f75a1decb359693f07812bdf4ac02aed24e64 |
--- /dev/null |
+++ b/LayoutTests/imported/web-platform-tests/custom-elements/custom-element-lifecycle/types-of-callbacks/attribute-changed-callback-remove-attribute-test.html |
@@ -0,0 +1,167 @@ |
+<!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> |