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Unified Diff: third_party/WebKit/LayoutTests/imported/wpt/custom-elements/custom-element-reaction-queue.html

Issue 2477133002: Import wpt@306326cfe973b6c7019c50879ad03b02825c7539 (Closed)
Patch Set: Modify TestExpectations or download new baselines for tests. Created 4 years, 1 month ago
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Index: third_party/WebKit/LayoutTests/imported/wpt/custom-elements/custom-element-reaction-queue.html
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/custom-elements/custom-element-reaction-queue.html b/third_party/WebKit/LayoutTests/imported/wpt/custom-elements/custom-element-reaction-queue.html
new file mode 100644
index 0000000000000000000000000000000000000000..737dab117d3bd8d296ca6235d04e7664e35740c0
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/imported/wpt/custom-elements/custom-element-reaction-queue.html
@@ -0,0 +1,157 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Custom Elements: Each element must have its own custom element reaction queue</title>
+<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
+<meta name="assert" content="Each element must have its own custom element reaction queue">
+<meta name="help" content="https://html.spec.whatwg.org/multipage/scripting.html#custom-element-reaction-queue">
+<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>
+
+test_with_window(function (contentWindow) {
+ const contentDocument = contentWindow.document;
+ contentDocument.write('<test-element id="first-element">');
+ contentDocument.write('<test-element id="second-element">');
+
+ const element1 = contentDocument.getElementById('first-element');
+ const element2 = contentDocument.getElementById('second-element');
+ assert_equals(Object.getPrototypeOf(element1), contentWindow.HTMLElement.prototype);
+ assert_equals(Object.getPrototypeOf(element2), contentWindow.HTMLElement.prototype);
+
+ let log = [];
+ class TestElement extends contentWindow.HTMLElement {
+ constructor() {
+ super();
+ log.push(create_constructor_log(this));
+ }
+ connectedCallback(...args) {
+ log.push(create_connected_callback_log(this, ...args));
+ }
+ attributeChangedCallback(...args) {
+ log.push(create_attribute_changed_callback_log(this, ...args));
+ }
+ static get observedAttributes() { return ['id']; }
+ }
+ contentWindow.customElements.define('test-element', TestElement);
+ assert_equals(Object.getPrototypeOf(element1), TestElement.prototype);
+ assert_equals(Object.getPrototypeOf(element2), TestElement.prototype);
+
+ assert_equals(log.length, 6);
+ assert_constructor_log_entry(log[0], element1);
+ assert_attribute_log_entry(log[1], {name: 'id', oldValue: null, newValue: 'first-element', namespace: null});
+ assert_connected_log_entry(log[2], element1);
+ assert_constructor_log_entry(log[3], element2);
+ assert_attribute_log_entry(log[4], {name: 'id', oldValue: null, newValue: 'second-element', namespace: null});
+ assert_connected_log_entry(log[5], element2);
+}, 'Upgrading a custom element must invoke attributeChangedCallback and connectedCallback before start upgrading another element');
+
+test_with_window(function (contentWindow) {
+ const contentDocument = contentWindow.document;
+ contentDocument.write('<test-element id="first-element">');
+ contentDocument.write('<test-element id="second-element">');
+
+ const element1 = contentDocument.getElementById('first-element');
+ const element2 = contentDocument.getElementById('second-element');
+ assert_equals(Object.getPrototypeOf(element1), contentWindow.HTMLElement.prototype);
+ assert_equals(Object.getPrototypeOf(element2), contentWindow.HTMLElement.prototype);
+
+ let log = [];
+ class TestElement extends contentWindow.HTMLElement {
+ constructor() {
+ super();
+ log.push(create_constructor_log(this));
+ if (this == element1) {
+ element2.setAttribute('title', 'hi');
+ element2.removeAttribute('title');
+ element2.setAttribute('class', 'foo');
+ }
+ }
+ connectedCallback(...args) {
+ log.push(create_connected_callback_log(this, ...args));
+ }
+ attributeChangedCallback(...args) {
+ log.push(create_attribute_changed_callback_log(this, ...args));
+ }
+ static get observedAttributes() { return ['id', 'class', 'title']; }
+ }
+ contentWindow.customElements.define('test-element', TestElement);
+ assert_equals(Object.getPrototypeOf(element1), TestElement.prototype);
+ assert_equals(Object.getPrototypeOf(element2), TestElement.prototype);
+
+ assert_equals(log.length, 7);
+ assert_constructor_log_entry(log[0], element1);
+ assert_attribute_log_entry(log[1], {name: 'id', oldValue: null, newValue: 'first-element', namespace: null});
+ assert_connected_log_entry(log[2], element1);
+ assert_constructor_log_entry(log[3], element2);
+ assert_attribute_log_entry(log[4], {name: 'id', oldValue: null, newValue: 'second-element', namespace: null});
+ assert_attribute_log_entry(log[5], {name: 'class', oldValue: null, newValue: 'foo', namespace: null});
+ assert_connected_log_entry(log[6], element2);
+}, 'Mutating a undefined custom element while upgrading a custom element must not enqueue or invoke reactions on the mutated element');
+
+test_with_window(function (contentWindow) {
+ let log = [];
+ let element1;
+ let element2;
+ class TestElement extends contentWindow.HTMLElement {
+ constructor() {
+ super();
+ log.push(create_constructor_log(this));
+ }
+ adoptedCallback(...args) {
+ log.push(create_adopted_callback_log(this, ...args));
+ if (this == element1)
+ element3.setAttribute('id', 'foo');
+ }
+ connectedCallback(...args) {
+ log.push(create_connected_callback_log(this, ...args));
+ }
+ attributeChangedCallback(...args) {
+ log.push(create_attribute_changed_callback_log(this, ...args));
+ }
+ static get observedAttributes() { return ['id', 'class']; }
+ }
+
+ contentWindow.customElements.define('test-element', TestElement);
+
+ let contentDocument = contentWindow.document;
+ element1 = contentDocument.createElement('test-element');
+ element2 = contentDocument.createElement('test-element');
+ element3 = contentDocument.createElement('test-element');
+ assert_equals(Object.getPrototypeOf(element1), TestElement.prototype);
+ assert_equals(Object.getPrototypeOf(element2), TestElement.prototype);
+ assert_equals(Object.getPrototypeOf(element3), TestElement.prototype);
+
+ assert_equals(log.length, 3);
+ assert_constructor_log_entry(log[0], element1);
+ assert_constructor_log_entry(log[1], element2);
+ assert_constructor_log_entry(log[2], element3);
+ log = [];
+
+ const container = contentDocument.createElement('div');
+ container.appendChild(element1);
+ container.appendChild(element2);
+ container.appendChild(element3);
+
+ const anotherDocument = document.implementation.createHTMLDocument();
+ anotherDocument.documentElement.appendChild(container);
+
+ assert_equals(log.length, 7);
+ assert_adopted_log_entry(log[0], element1);
+ assert_adopted_log_entry(log[1], element3);
+ assert_connected_log_entry(log[2], element3);
+ assert_attribute_log_entry(log[3], {name: 'id', oldValue: null, newValue: 'foo', namespace: null});
+ assert_connected_log_entry(log[4], element1);
+ assert_adopted_log_entry(log[5], element2);
+ assert_connected_log_entry(log[6], element2);
+
+}, 'Mutating another custom element inside adopted callback must invoke all pending callbacks on the mutated element');
+
+
+</script>
+</body>
+</html>
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