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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>
|
