d1ea1f4c7f
Update the license headers throughout the repository to reference Google LLC rather than Google Inc, for the required license headers. PR Close #37205
109 lines
2.6 KiB
JavaScript
109 lines
2.6 KiB
JavaScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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/*
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* check that document.registerElement(name, { prototype: proto });
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* is properly patched
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*/
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function customElementsSupport() {
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return 'registerElement' in document;
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}
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customElementsSupport.message = 'window.customElements';
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describe('customElements', function() {
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const testZone = Zone.current.fork({name: 'test'});
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const bridge = {
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connectedCallback: () => {},
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disconnectedCallback: () => {},
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adoptedCallback: () => {},
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attributeChangedCallback: () => {}
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};
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class TestCustomElement extends HTMLElement {
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constructor() {
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super();
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}
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static get observedAttributes() {
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return ['attr1', 'attr2'];
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}
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connectedCallback() {
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return bridge.connectedCallback();
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}
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disconnectedCallback() {
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return bridge.disconnectedCallback();
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}
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attributeChangedCallback(attrName, oldVal, newVal) {
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return bridge.attributeChangedCallback(attrName, oldVal, newVal);
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}
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adoptedCallback() {
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return bridge.adoptedCallback();
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}
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}
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testZone.run(() => {
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customElements.define('x-test', TestCustomElement);
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});
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let elt;
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beforeEach(() => {
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bridge.connectedCallback = () => {};
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bridge.disconnectedCallback = () => {};
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bridge.attributeChangedCallback = () => {};
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bridge.adoptedCallback = () => {};
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});
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afterEach(() => {
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if (elt) {
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document.body.removeChild(elt);
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elt = null;
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}
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});
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it('should work with connectedCallback', function(done) {
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bridge.connectedCallback = function() {
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expect(Zone.current.name).toBe(testZone.name);
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done();
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};
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elt = document.createElement('x-test');
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document.body.appendChild(elt);
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});
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it('should work with disconnectedCallback', function(done) {
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bridge.disconnectedCallback = function() {
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expect(Zone.current.name).toBe(testZone.name);
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done();
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};
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elt = document.createElement('x-test');
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document.body.appendChild(elt);
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document.body.removeChild(elt);
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elt = null;
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});
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it('should work with attributeChanged', function(done) {
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bridge.attributeChangedCallback = function(attrName, oldVal, newVal) {
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expect(Zone.current.name).toBe(testZone.name);
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expect(attrName).toEqual('attr1');
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expect(newVal).toEqual('value1');
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done();
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};
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elt = document.createElement('x-test');
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document.body.appendChild(elt);
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elt.setAttribute('attr1', 'value1');
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});
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});
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