| Index: third_party/WebKit/LayoutTests/imported/wpt/custom-elements/parser/parser-uses-constructed-element.html
|
| diff --git a/third_party/WebKit/LayoutTests/imported/wpt/custom-elements/parser/parser-uses-constructed-element.html b/third_party/WebKit/LayoutTests/imported/wpt/custom-elements/parser/parser-uses-constructed-element.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..393bbec698b6021c78064cf30a712ea6994d0141
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/imported/wpt/custom-elements/parser/parser-uses-constructed-element.html
|
| @@ -0,0 +1,75 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<head>
|
| +<title>Custom Elements: HTML parser must construct a custom element instead of upgrading</title>
|
| +<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
|
| +<meta name="assert" content="HTML parser must construct a custom element instead of upgrading">
|
| +<script src="/resources/testharness.js"></script>
|
| +<script src="/resources/testharnessreport.js"></script>
|
| +<link rel="help" href="https://html.spec.whatwg.org/#create-an-element-for-the-token">
|
| +<link rel="help" href="https://dom.spec.whatwg.org/#concept-create-element">
|
| +</head>
|
| +<body>
|
| +<div id="log"></div>
|
| +<script>
|
| +
|
| +let anotherElementCreatedBeforeSuperCall = undefined;
|
| +let elementCreatedBySuperCall = undefined;
|
| +let shouldCreateElementBeforeSuperCall = true;
|
| +class InstantiatesItselfBeforeSuper extends HTMLElement {
|
| + constructor() {
|
| + if (shouldCreateElementBeforeSuperCall) {
|
| + shouldCreateElementBeforeSuperCall = false;
|
| + anotherElementCreatedBeforeSuperCall = new InstantiatesItselfBeforeSuper();
|
| + }
|
| + super();
|
| + elementCreatedBySuperCall = this;
|
| + }
|
| +};
|
| +customElements.define('instantiates-itself-before-super', InstantiatesItselfBeforeSuper);
|
| +
|
| +let shouldCreateAnotherInstance = true;
|
| +let anotherInstance = undefined;
|
| +let firstInstance = undefined;
|
| +class ReturnsAnotherInstance extends HTMLElement {
|
| + constructor() {
|
| + super();
|
| + if (shouldCreateAnotherInstance) {
|
| + shouldCreateAnotherInstance = false;
|
| + firstInstance = this;
|
| + anotherInstance = new ReturnsAnotherInstance;
|
| + return anotherInstance;
|
| + } else
|
| + return this;
|
| + }
|
| +};
|
| +customElements.define('returns-another-instance', ReturnsAnotherInstance);
|
| +
|
| +</script>
|
| +<instantiates-itself-before-super></instantiates-itself-before-super>
|
| +<returns-another-instance></returns-another-instance>
|
| +<script>
|
| +
|
| +test(function () {
|
| + var instance = document.querySelector('instantiates-itself-before-super');
|
| +
|
| + assert_equals(instance instanceof InstantiatesItselfBeforeSuper, 'HTML parser must insert the synchronously constructed custom element');
|
| + assert_equals(instance, elementCreatedBySuperCall, 'HTML parser must insert the element returned by the custom element constructor');
|
| + assert_not_equals(instance, anotherElementCreatedBeforeSuperCall, 'HTML parser must not insert another instance of the custom element created before super() call');
|
| + assert_equals(anotherElementCreatedBeforeSuperCall.parentNode, null, 'HTML parser must not insert another instance of the custom element created before super() call');
|
| +
|
| +}, 'HTML parser must use the returned value of the custom element constructor instead of the one created before super() call');
|
| +
|
| +test(function () {
|
| + var instance = document.querySelector('returns-another-instance');
|
| +
|
| + assert_equals(instance instanceof ReturnsAnotherInstance, 'HTML parser must insert the synchronously constructed custom element');
|
| + assert_equals(instance, anotherInstance, 'HTML parser must insert the element returned by the custom element constructor');
|
| + assert_not_equals(instance, firstInstance, 'HTML parser must not insert the element created by super() call if the constructor returned another element');
|
| + assert_equals(firstInstance.parentNode, null, 'HTML parser must not insert the element created by super() call if the constructor returned another element');
|
| +
|
| +}, 'HTML parser must use the returned value of the custom element constructor instead using the one created in super() call');
|
| +
|
| +</script>
|
| +</body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 2446483002:
Import wpt@c5a14f553cba5f197743b9af605a84eddd8692a2 (Closed)
