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