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157 lines
6.9 KiB
HTML
157 lines
6.9 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Custom Elements: Each element must have its own custom element reaction queue</title>
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<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
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<meta name="assert" content="Each element must have its own custom element reaction queue">
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<meta name="help" content="https://html.spec.whatwg.org/multipage/scripting.html#custom-element-reaction-queue">
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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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test_with_window(function (contentWindow) {
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const contentDocument = contentWindow.document;
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contentDocument.write('<test-element id="first-element">');
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contentDocument.write('<test-element id="second-element">');
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const element1 = contentDocument.getElementById('first-element');
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const element2 = contentDocument.getElementById('second-element');
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assert_equals(Object.getPrototypeOf(element1), contentWindow.HTMLElement.prototype);
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assert_equals(Object.getPrototypeOf(element2), contentWindow.HTMLElement.prototype);
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let log = [];
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class TestElement extends contentWindow.HTMLElement {
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constructor() {
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super();
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log.push(create_constructor_log(this));
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}
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connectedCallback(...args) {
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log.push(create_connected_callback_log(this, ...args));
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}
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attributeChangedCallback(...args) {
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log.push(create_attribute_changed_callback_log(this, ...args));
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}
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static get observedAttributes() { return ['id']; }
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}
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contentWindow.customElements.define('test-element', TestElement);
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assert_equals(Object.getPrototypeOf(element1), TestElement.prototype);
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assert_equals(Object.getPrototypeOf(element2), TestElement.prototype);
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assert_equals(log.length, 6);
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assert_constructor_log_entry(log[0], element1);
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assert_attribute_log_entry(log[1], {name: 'id', oldValue: null, newValue: 'first-element', namespace: null});
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assert_connected_log_entry(log[2], element1);
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assert_constructor_log_entry(log[3], element2);
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assert_attribute_log_entry(log[4], {name: 'id', oldValue: null, newValue: 'second-element', namespace: null});
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assert_connected_log_entry(log[5], element2);
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}, 'Upgrading a custom element must invoke attributeChangedCallback and connectedCallback before start upgrading another element');
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test_with_window(function (contentWindow) {
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const contentDocument = contentWindow.document;
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contentDocument.write('<test-element id="first-element">');
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contentDocument.write('<test-element id="second-element">');
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const element1 = contentDocument.getElementById('first-element');
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const element2 = contentDocument.getElementById('second-element');
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assert_equals(Object.getPrototypeOf(element1), contentWindow.HTMLElement.prototype);
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assert_equals(Object.getPrototypeOf(element2), contentWindow.HTMLElement.prototype);
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let log = [];
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class TestElement extends contentWindow.HTMLElement {
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constructor() {
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super();
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log.push(create_constructor_log(this));
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if (this == element1) {
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element2.setAttribute('title', 'hi');
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element2.removeAttribute('title');
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element2.setAttribute('class', 'foo');
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}
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}
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connectedCallback(...args) {
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log.push(create_connected_callback_log(this, ...args));
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}
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attributeChangedCallback(...args) {
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log.push(create_attribute_changed_callback_log(this, ...args));
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}
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static get observedAttributes() { return ['id', 'class', 'title']; }
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}
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contentWindow.customElements.define('test-element', TestElement);
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assert_equals(Object.getPrototypeOf(element1), TestElement.prototype);
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assert_equals(Object.getPrototypeOf(element2), TestElement.prototype);
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assert_equals(log.length, 7);
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assert_constructor_log_entry(log[0], element1);
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assert_attribute_log_entry(log[1], {name: 'id', oldValue: null, newValue: 'first-element', namespace: null});
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assert_connected_log_entry(log[2], element1);
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assert_constructor_log_entry(log[3], element2);
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assert_attribute_log_entry(log[4], {name: 'id', oldValue: null, newValue: 'second-element', namespace: null});
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assert_attribute_log_entry(log[5], {name: 'class', oldValue: null, newValue: 'foo', namespace: null});
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assert_connected_log_entry(log[6], element2);
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}, 'Mutating a undefined custom element while upgrading a custom element must not enqueue or invoke reactions on the mutated element');
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test_with_window(function (contentWindow) {
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let log = [];
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let element1;
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let element2;
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class TestElement extends contentWindow.HTMLElement {
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constructor() {
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super();
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log.push(create_constructor_log(this));
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}
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adoptedCallback(...args) {
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log.push(create_adopted_callback_log(this, ...args));
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if (this == element1)
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element3.setAttribute('id', 'foo');
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}
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connectedCallback(...args) {
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log.push(create_connected_callback_log(this, ...args));
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}
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attributeChangedCallback(...args) {
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log.push(create_attribute_changed_callback_log(this, ...args));
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}
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static get observedAttributes() { return ['id', 'class']; }
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}
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contentWindow.customElements.define('test-element', TestElement);
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let contentDocument = contentWindow.document;
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element1 = contentDocument.createElement('test-element');
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element2 = contentDocument.createElement('test-element');
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element3 = contentDocument.createElement('test-element');
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assert_equals(Object.getPrototypeOf(element1), TestElement.prototype);
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assert_equals(Object.getPrototypeOf(element2), TestElement.prototype);
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assert_equals(Object.getPrototypeOf(element3), TestElement.prototype);
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assert_equals(log.length, 3);
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assert_constructor_log_entry(log[0], element1);
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assert_constructor_log_entry(log[1], element2);
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assert_constructor_log_entry(log[2], element3);
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log = [];
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const container = contentDocument.createElement('div');
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container.appendChild(element1);
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container.appendChild(element2);
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container.appendChild(element3);
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const anotherDocument = document.implementation.createHTMLDocument();
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anotherDocument.documentElement.appendChild(container);
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assert_equals(log.length, 7);
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assert_adopted_log_entry(log[0], element1);
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assert_adopted_log_entry(log[1], element3);
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assert_connected_log_entry(log[2], element3);
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assert_attribute_log_entry(log[3], {name: 'id', oldValue: null, newValue: 'foo', namespace: null});
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assert_connected_log_entry(log[4], element1);
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assert_adopted_log_entry(log[5], element2);
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assert_connected_log_entry(log[6], element2);
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}, 'Mutating another custom element inside adopted callback must invoke all pending callbacks on the mutated element');
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</script>
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</body>
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</html>
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