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+<!DOCTYPE html>
+<html>
+<head>
+<title>Custom Elements: document.createElement should create an element with synchronous custom elements flag set</title>
+<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
+<meta name="assert" content="document.createElement should create an element with synchronous custom elements flag set">
+<link rel="help" content="https://dom.spec.whatwg.org/#dom-document-createelement">
+<link rel="help" content="https://dom.spec.whatwg.org/#concept-create-element">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/custom-elements-helpers.js"></script>
+</head>
+<body>
+<div id="log"></div>
+<script>
+setup({allow_uncaught_exception:true});
+
+test(function () {
+ class MyCustomElement extends HTMLElement {};
+
+ assert_true(document.createElement('my-custom-element') instanceof HTMLElement);
+ assert_false(document.createElement('my-custom-element') instanceof MyCustomElement);
+
+ customElements.define('my-custom-element', MyCustomElement);
+ var instance = document.createElement('my-custom-element');
+ assert_true(instance instanceof MyCustomElement);
+ assert_equals(instance.localName, 'my-custom-element');
+ assert_equals(instance.namespaceURI, 'http://www.w3.org/1999/xhtml', 'A custom element HTML must use HTML namespace');
+
+}, 'document.createElement must create an instance of custom elements');
+
+function assert_reports(expected, testFunction, message) {
+ var uncaughtError = null;
+ window.onerror = function (message, url, lineNumber, columnNumber, error) { uncaughtError = error; return true; }
+ testFunction();
+ if (typeof(expected) == 'string')
+ assert_equals(uncaughtError, expected, message);
+ else if (expected && 'name' in expected)
+ assert_equals(uncaughtError.name, expected.name, message);
+ else
+ assert_equals(uncaughtError, expected, message);
+ window.onerror = null;
+}
+
+function assert_not_reports(testFunction, message) {
+ assert_reports(null, testFunction, message);
+}
+
+test(function () {
+ class ObjectCustomElement extends HTMLElement {
+ constructor()
+ {
+ return {foo: 'bar'};
+ }
+ };
+ customElements.define('object-custom-element', ObjectCustomElement);
+
+ var instance = new ObjectCustomElement;
+ assert_true(instance instanceof Object);
+ assert_equals(instance.foo, 'bar');
+
+ var instance;
+ assert_reports({name: 'TypeError'}, function () { instance = document.createElement('object-custom-element'); });
+ assert_equals(instance.localName, 'object-custom-element');
+ assert_true(instance instanceof HTMLUnknownElement);
+}, 'document.createElement must report a TypeError when the result of Construct is not a DOM node');
+
+test(function () {
+ class TextCustomElement extends HTMLElement {
+ constructor()
+ {
+ return document.createTextNode('hello');
+ }
+ };
+ customElements.define('text-custom-element', TextCustomElement);
+ assert_true(new TextCustomElement instanceof Text);
+ var instance;
+ assert_reports({name: 'TypeError'}, function () { instance = document.createElement('text-custom-element'); });
+ assert_equals(instance.localName, 'text-custom-element');
+ assert_true(instance instanceof HTMLUnknownElement);
+}, 'document.createElement must report a TypeError when the result of Construct is a TextNode');
+
+test(function () {
+ class ElementWithAttribute extends HTMLElement {
+ constructor()
+ {
+ super();
+ this.setAttribute('id', 'foo');
+ }
+ };
+ customElements.define('element-with-attribute', ElementWithAttribute);
+ assert_true(new ElementWithAttribute instanceof ElementWithAttribute);
+ var instance;
+ assert_reports({name: 'NotSupportedError'}, function () { instance = document.createElement('element-with-attribute'); });
+ assert_equals(instance.localName, 'element-with-attribute');
+ assert_true(instance instanceof HTMLUnknownElement);
+}, 'document.createElement must report a NotSupportedError when attribute is added by setAttribute during construction');
+
+test(function () {
+ class ElementWithAttrNode extends HTMLElement {
+ constructor()
+ {
+ super();
+ this.attributes.setNamedItem(document.createAttribute('title'));
+ }
+ };
+ customElements.define('element-with-attr-node', ElementWithAttrNode);
+ assert_true(new ElementWithAttrNode instanceof ElementWithAttrNode);
+ var instance;
+ assert_reports({name: 'NotSupportedError'}, function () { instance = document.createElement('element-with-attr-node'); });
+ assert_equals(instance.localName, 'element-with-attr-node');
+ assert_true(instance instanceof HTMLUnknownElement);
+}, 'document.createElement must report a NotSupportedError when attribute is added by attributes.setNamedItem during construction');
+
+test(function () {
+ class ElementWithNoAttributes extends HTMLElement {
+ constructor()
+ {
+ super();
+ this.attributes.setNamedItem(document.createAttribute('title'));
+ this.removeAttribute('title');
+ }
+ };
+ customElements.define('element-with-no-attiributes', ElementWithNoAttributes);
+ assert_true(new ElementWithNoAttributes instanceof ElementWithNoAttributes);
+ var instance;
+ assert_not_reports(function () { instance = document.createElement('element-with-no-attiributes'); });
+ assert_true(instance instanceof ElementWithNoAttributes);
+}, 'document.createElement must not report a NotSupportedError when attribute is added and removed during construction');
+
+test(function () {
+ class ElementWithChildText extends HTMLElement {
+ constructor()
+ {
+ super();
+ this.appendChild(document.createTextNode('hello'));
+ }
+ };
+ customElements.define('element-with-child-text', ElementWithChildText);
+ assert_true(new ElementWithChildText instanceof ElementWithChildText);
+ var instance;
+ assert_reports({name: 'NotSupportedError'}, function () { instance = document.createElement('element-with-child-text'); });
+ assert_equals(instance.localName, 'element-with-child-text');
+ assert_true(instance instanceof HTMLUnknownElement);
+}, 'document.createElement must report a NotSupportedError when a Text child is added during construction');
+
+test(function () {
+ class ElementWithChildComment extends HTMLElement {
+ constructor()
+ {
+ super();
+ this.appendChild(document.createComment('hello'));
+ }
+ };
+ customElements.define('element-with-child-comment', ElementWithChildComment);
+ assert_true(new ElementWithChildComment instanceof ElementWithChildComment);
+ var instance;
+ assert_reports({name: 'NotSupportedError'}, function () { instance = document.createElement('element-with-child-comment'); });
+ assert_equals(instance.localName, 'element-with-child-comment');
+ assert_true(instance instanceof HTMLUnknownElement);
+}, 'document.createElement must report a NotSupportedError when a Comment child is added during construction');
+
+test(function () {
+ class ElementWithChildElement extends HTMLElement {
+ constructor()
+ {
+ super();
+ this.appendChild(document.createElement('div'));
+ }
+ };
+ customElements.define('element-with-child-element', ElementWithChildElement);
+ assert_true(new ElementWithChildElement instanceof ElementWithChildElement);
+ var instance;
+ assert_reports({name: 'NotSupportedError'}, function () { instance = document.createElement('element-with-child-element'); });
+ assert_equals(instance.localName, 'element-with-child-element');
+ assert_true(instance instanceof HTMLUnknownElement);
+}, 'document.createElement must report a NotSupportedError when an element child is added during construction');
+
+test(function () {
+ class ElementWithNoChildElements extends HTMLElement {
+ constructor()
+ {
+ super();
+ this.appendChild(document.createElement('div'));
+ this.removeChild(this.firstChild);
+ }
+ };
+ customElements.define('element-with-no-child-elements', ElementWithNoChildElements);
+ var instance;
+ assert_not_reports(function () { instance = document.createElement('element-with-no-child-elements'); });
+ assert_true(instance instanceof ElementWithNoChildElements);
+}, 'document.createElement must not report a NotSupportedError when an element child is added and removed during construction');
+
+test(function () {
+ class ElementWithParent extends HTMLElement {
+ constructor()
+ {
+ super();
+ document.createElement('div').appendChild(this);
+ }
+ };
+ customElements.define('element-with-parent', ElementWithParent);
+ assert_true(new ElementWithParent instanceof ElementWithParent);
+ var instance;
+ assert_reports({name: 'NotSupportedError'}, function () { instance = document.createElement('element-with-parent'); });
+ assert_equals(instance.localName, 'element-with-parent');
+ assert_true(instance instanceof HTMLUnknownElement);
+}, 'document.createElement must report a NotSupportedError when the element gets inserted into another element during construction');
+
+test(function () {
+ class ElementWithNoParent extends HTMLElement {
+ constructor()
+ {
+ super();
+ document.createElement('div').appendChild(this);
+ this.parentNode.removeChild(this);
+ }
+ };
+ customElements.define('element-with-no-parent', ElementWithNoParent);
+ var instance;
+ assert_not_reports(function () { instance = document.createElement('element-with-no-parent'); });
+ assert_true(instance instanceof ElementWithNoParent);
+}, 'document.createElement must not report a NotSupportedError when the element is inserted and removed from another element during construction');
+
+document_types().forEach(function (entry, testNumber) {
+ if (entry.isOwner)
+ return;
+
+ var getDocument = entry.create;
+ var documentName = entry.name;
+
+ promise_test(function () {
+ return getDocument().then(function (doc) {
+ class ElementWithAdoptCall extends HTMLElement {
+ constructor()
+ {
+ super();
+ doc.adoptNode(this);
+ }
+ };
+ var name = 'element-with-adopt-call-' + testNumber;
+ customElements.define(name, ElementWithAdoptCall);
+ assert_true(new ElementWithAdoptCall instanceof ElementWithAdoptCall);
+ var instance;
+ assert_reports({name: 'NotSupportedError'}, function () { instance = document.createElement(name); });
+ assert_equals(instance.localName, name);
+ assert_true(instance instanceof HTMLUnknownElement);
+ });
+ }, `document.createElement must report a NotSupportedError when the element is adopted into a ${documentName} during construction`);
+
+ promise_test(function () {
+ return getDocument().then(function (doc) {
+ class ElementInsertedIntoAnotherDocument extends HTMLElement {
+ constructor()
+ {
+ super();
+ doc.documentElement.appendChild(this);
+ }
+ };
+ var name = 'element-inserted-into-another-document-' + testNumber;
+ customElements.define(name, ElementInsertedIntoAnotherDocument);
+ assert_true(new ElementInsertedIntoAnotherDocument instanceof ElementInsertedIntoAnotherDocument);
+ var instance;
+ assert_reports({name: 'NotSupportedError'}, function () { instance = document.createElement(name); });
+ assert_equals(instance.localName, name);
+ assert_true(instance instanceof HTMLUnknownElement);
+ });
+ }, `document.createElement must report a NotSupportedError when the element is inserted into a ${documentName} during construction`);
+
+ promise_test(function () {
+ return getDocument().then(function (doc) {
+ class ElementThatGetAdoptedBack extends HTMLElement {
+ constructor()
+ {
+ super();
+ doc.adoptNode(this);
+ document.adoptNode(this);
+ }
+ };
+ var name = 'element-that-get-adopted-back' + testNumber;
+ customElements.define(name, ElementThatGetAdoptedBack);
+ var instance;
+ assert_not_reports(function () { instance = document.createElement(name); });
+ assert_true(instance instanceof ElementThatGetAdoptedBack);
+ });
+ }, `document.createElement must not report a NotSupportedError when the element is adopted back from a ${documentName} during construction`);
+});
+
+test(function () {
+ class DivCustomElement extends HTMLElement {
+ constructor()
+ {
+ super();
+ return document.createElement('div');
+ }
+ };
+ customElements.define('div-custom-element', DivCustomElement);
+ assert_true(new DivCustomElement instanceof HTMLDivElement);
+ var instance;
+ assert_reports({name: 'NotSupportedError'}, function () { instance = document.createElement('div-custom-element'); });
+ assert_equals(instance.localName, 'div-custom-element');
+ assert_true(instance instanceof HTMLUnknownElement);
+}, 'document.createElement must report a NotSupportedError when the local name of the element does not match that of the custom element');
+
+test(function () {
+ var exceptionToThrow = {name: 'exception thrown by a custom constructor'};
+ class ThrowCustomElement extends HTMLElement {
+ constructor()
+ {
+ super();
+ if (exceptionToThrow)
+ throw exceptionToThrow;
+ }
+ };
+ customElements.define('throw-custom-element', ThrowCustomElement);
+
+ assert_throws_exactly(exceptionToThrow, function () { new ThrowCustomElement; });
+ var instance;
+ assert_reports(exceptionToThrow, function () { instance = document.createElement('throw-custom-element'); });
+ assert_equals(instance.localName, 'throw-custom-element');
+ assert_true(instance instanceof HTMLUnknownElement);
+
+ exceptionToThrow = false;
+ var instance = document.createElement('throw-custom-element');
+ assert_true(instance instanceof ThrowCustomElement);
+ assert_equals(instance.localName, 'throw-custom-element');
+
+}, 'document.createElement must report an exception thrown by a custom element constructor');
+
+test(() => {
+ class MyElement extends HTMLElement {
+ constructor() {
+ super();
+ this.foo = true;
+ }
+ }
+ customElements.define("my-element", MyElement);
+
+ const instance = document.createElement('my-element', undefined);
+ assert_true(instance.foo);
+}, 'document.createElement with undefined options value should be upgraded.');
+</script>
+</body>
+</html>