src/third_party/web_platform_tests/custom-elements/custom-element-lifecycle/types-of-callbacks/attribute-changed-callback-remove-attribute-test.html - cobalt - Git at Google

 <!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>
	<!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>