| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Custom Elements: disconnectedCallback</title> |
| <meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> |
| <meta name="assert" content="disconnectedCallback must be enqueued whenever custom element is removed from a document"> |
| <link rel="help" href="https://w3c.github.io/webcomponents/spec/custom/#dfn-connected-callback"> |
| <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> |
| |
| var calls = []; |
| class MyCustomElement extends HTMLElement { |
| connectedCallback() { calls.push('connected', this); } |
| disconnectedCallback() { calls.push('disconnected', this); } |
| } |
| customElements.define('my-custom-element', MyCustomElement); |
| |
| document_types().forEach(function (entry) { |
| var documentName = entry.name; |
| var getDocument = entry.create; |
| |
| promise_test(function () { |
| return getDocument().then(function (doc) { |
| var instance = document.createElement('my-custom-element'); |
| doc.documentElement.appendChild(instance); |
| calls = []; |
| doc.documentElement.removeChild(instance); |
| assert_array_equals(calls, ['disconnected', instance]); |
| }); |
| }, 'Removing a custom element from ' + documentName + ' must enqueue and invoke disconnectedCallback'); |
| |
| promise_test(function () { |
| return getDocument().then(function (doc) { |
| var instance = document.createElement('my-custom-element'); |
| var parent = document.createElement('div'); |
| parent.appendChild(instance); |
| doc.documentElement.appendChild(parent); |
| calls = []; |
| doc.documentElement.removeChild(parent); |
| assert_array_equals(calls, ['disconnected', instance]); |
| }); |
| }, 'Removing an ancestor of custom element from ' + documentName + ' must enqueue and invoke disconnectedCallback'); |
| |
| promise_test(function () { |
| return getDocument().then(function (doc) { |
| var instance = document.createElement('my-custom-element'); |
| var host = doc.createElementNS('http://www.w3.org/1999/xhtml', 'div'); |
| var shadowRoot = host.attachShadow({mode: 'closed'}); |
| doc.documentElement.appendChild(host); |
| shadowRoot.appendChild(instance); |
| |
| calls = []; |
| shadowRoot.removeChild(instance); |
| assert_array_equals(calls, ['disconnected', instance]); |
| }); |
| }, 'Removing a custom element from a shadow tree in ' + documentName + ' must enqueue and invoke disconnectedCallback'); |
| |
| promise_test(function () { |
| return getDocument().then(function (doc) { |
| var instance = document.createElement('my-custom-element'); |
| var host = doc.createElementNS('http://www.w3.org/1999/xhtml', 'div'); |
| var shadowRoot = host.attachShadow({mode: 'closed'}); |
| shadowRoot.appendChild(instance); |
| doc.documentElement.appendChild(host); |
| |
| calls = []; |
| doc.documentElement.removeChild(host); |
| assert_array_equals(calls, ['disconnected', instance]); |
| }); |
| }, 'Removing the shadow host of a custom element from a' + documentName + ' must enqueue and invoke disconnectedCallback'); |
| |
| promise_test(function () { |
| return getDocument().then(function (doc) { |
| var instance = document.createElement('my-custom-element'); |
| var host = doc.createElementNS('http://www.w3.org/1999/xhtml', 'div'); |
| var shadowRoot = host.attachShadow({mode: 'closed'}); |
| shadowRoot.appendChild(instance); |
| |
| calls = []; |
| shadowRoot.removeChild(instance); |
| assert_array_equals(calls, []); |
| }); |
| }, 'Removing a custom element from a detached shadow tree that belongs to ' + documentName + ' must not enqueue and invoke disconnectedCallback'); |
| }); |
| |
| </script> |
| </body> |
| </html> |
