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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/custom-elements/attribute-changed-callback.html | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/custom-elements/attribute-changed-callback.html')
-rw-r--r-- | testing/web-platform/tests/custom-elements/attribute-changed-callback.html | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/attribute-changed-callback.html b/testing/web-platform/tests/custom-elements/attribute-changed-callback.html new file mode 100644 index 0000000000..db2a01196a --- /dev/null +++ b/testing/web-platform/tests/custom-elements/attribute-changed-callback.html @@ -0,0 +1,271 @@ +<!DOCTYPE html> +<html> +<head> +<title>Custom Elements: attributeChangedCallback</title> +<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> +<meta name="assert" content="attributeChangedCallback must be enqueued whenever custom element's attribute is added, changed or removed"> +<link rel="help" href="https://w3c.github.io/webcomponents/spec/custom/#dfn-attribute-changed-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> +<parser-created-element title></parser-created-element> +<script> + +var customElement = define_new_custom_element(['title', 'id', 'r']); + +test(function () { + const instance = document.createElement(customElement.name); + assert_array_equals(customElement.takeLog().types(), ['constructed']); + + instance.setAttribute('title', 'foo'); + assert_equals(instance.getAttribute('title'), 'foo'); + var logEntries = customElement.takeLog(); + assert_array_equals(logEntries.types(), ['attributeChanged']); + assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: null, newValue: 'foo', namespace: null}); + + instance.removeAttribute('title'); + assert_equals(instance.getAttribute('title'), null); + var logEntries = customElement.takeLog(); + assert_array_equals(logEntries.types(), ['attributeChanged']); + assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: 'foo', newValue: null, namespace: null}); +}, 'setAttribute and removeAttribute must enqueue and invoke attributeChangedCallback'); + +test(function () { + var instance = document.createElement(customElement.name); + assert_array_equals(customElement.takeLog().types(), ['constructed']); + + instance.setAttributeNS('http://www.w3.org/2000/svg', 'title', 'hello'); + assert_equals(instance.getAttribute('title'), 'hello'); + var logEntries = customElement.takeLog(); + assert_array_equals(logEntries.types(), ['attributeChanged']); + assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: null, newValue: 'hello', namespace: 'http://www.w3.org/2000/svg'}); + + instance.removeAttributeNS('http://www.w3.org/2000/svg', 'title'); + assert_equals(instance.getAttribute('title'), null); + var logEntries = customElement.takeLog(); + assert_array_equals(logEntries.types(), ['attributeChanged']); + assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: 'hello', newValue: null, namespace: 'http://www.w3.org/2000/svg'}); +}, 'setAttributeNS and removeAttributeNS must enqueue and invoke attributeChangedCallback'); + +test(function () { + var instance = document.createElement(customElement.name); + assert_array_equals(customElement.takeLog().types(), ['constructed']); + + var attr = document.createAttribute('id'); + attr.value = 'bar'; + instance.setAttributeNode(attr); + + assert_equals(instance.getAttribute('id'), 'bar'); + var logEntries = customElement.takeLog(); + assert_array_equals(logEntries.types(), ['attributeChanged']); + assert_attribute_log_entry(logEntries.last(), {name: 'id', oldValue: null, newValue: 'bar', namespace: null}); + + instance.removeAttributeNode(attr); + assert_equals(instance.getAttribute('id'), null); + var logEntries = customElement.takeLog(); + assert_array_equals(logEntries.types(), ['attributeChanged']); + assert_attribute_log_entry(logEntries.last(), {name: 'id', oldValue: 'bar', newValue: null, namespace: null}); +}, 'setAttributeNode and removeAttributeNode must enqueue and invoke attributeChangedCallback for an HTML attribute'); + +test(function () { + const instance = document.createElement(customElement.name); + assert_array_equals(customElement.takeLog().types(), ['constructed']); + + const attr = document.createAttributeNS('http://www.w3.org/2000/svg', 'r'); + attr.value = '100'; + instance.setAttributeNode(attr); + + assert_equals(instance.getAttribute('r'), '100'); + var logEntries = customElement.takeLog(); + assert_array_equals(logEntries.types(), ['attributeChanged']); + assert_attribute_log_entry(logEntries.last(), {name: 'r', oldValue: null, newValue: '100', namespace: 'http://www.w3.org/2000/svg'}); + + instance.removeAttributeNode(attr); + assert_equals(instance.getAttribute('r'), null); + var logEntries = customElement.takeLog(); + assert_array_equals(logEntries.types(), ['attributeChanged']); + assert_attribute_log_entry(logEntries.last(), {name: 'r', oldValue: '100', newValue: null, namespace: 'http://www.w3.org/2000/svg'}); +}, 'setAttributeNode and removeAttributeNS must enqueue and invoke attributeChangedCallback for an SVG attribute'); + +test(function () { + const instance = document.createElement(customElement.name); + assert_array_equals(customElement.takeLog().types(), ['constructed']); + + instance.toggleAttribute('title', true); + assert_equals(instance.hasAttribute('title'), true); + var logEntries = customElement.takeLog(); + assert_array_equals(logEntries.types(), ['attributeChanged']); + assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: null, newValue: '', namespace: null}); + + instance.toggleAttribute('title'); + assert_equals(instance.hasAttribute('title'), false); + var logEntries = customElement.takeLog(); + assert_array_equals(logEntries.types(), ['attributeChanged']); + assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: '', newValue: null, namespace: null}); +}, 'toggleAttribute must enqueue and invoke attributeChangedCallback'); + +test(function () { + const callsToOld = []; + const callsToNew = []; + class CustomElement extends HTMLElement { } + CustomElement.prototype.attributeChangedCallback = function (...args) { + callsToOld.push(create_attribute_changed_callback_log(this, ...args)); + } + CustomElement.observedAttributes = ['title']; + customElements.define('element-with-mutated-attribute-changed-callback', CustomElement); + CustomElement.prototype.attributeChangedCallback = function (...args) { + callsToNew.push(create_attribute_changed_callback_log(this, ...args)); + } + + const instance = document.createElement('element-with-mutated-attribute-changed-callback'); + instance.setAttribute('title', 'hi'); + assert_equals(instance.getAttribute('title'), 'hi'); + assert_array_equals(callsToNew, []); + assert_equals(callsToOld.length, 1); + assert_attribute_log_entry(callsToOld[0], {name: 'title', oldValue: null, newValue: 'hi', namespace: null}); +}, 'Mutating attributeChangedCallback after calling customElements.define must not affect the callback being invoked'); + +test(function () { + const calls = []; + class CustomElement extends HTMLElement { + attributeChangedCallback(...args) { + calls.push(create_attribute_changed_callback_log(this, ...args)); + } + } + CustomElement.observedAttributes = ['title']; + customElements.define('element-not-observing-id-attribute', CustomElement); + + const instance = document.createElement('element-not-observing-id-attribute'); + assert_equals(calls.length, 0); + instance.setAttribute('title', 'hi'); + assert_equals(calls.length, 1); + assert_attribute_log_entry(calls[0], {name: 'title', oldValue: null, newValue: 'hi', namespace: null}); + instance.setAttribute('id', 'some'); + assert_equals(calls.length, 1); + assert_attribute_log_entry(calls[0], {name: 'title', oldValue: null, newValue: 'hi', namespace: null}); +}, 'attributedChangedCallback must not be invoked when the observed attributes does not contain the attribute'); + +test(function () { + const calls = []; + class CustomElement extends HTMLElement { } + CustomElement.prototype.attributeChangedCallback = function (...args) { + calls.push(create_attribute_changed_callback_log(this, ...args)); + } + CustomElement.observedAttributes = ['title', 'lang']; + customElements.define('element-with-mutated-observed-attributes', CustomElement); + CustomElement.observedAttributes = ['title', 'id']; + + const instance = document.createElement('element-with-mutated-observed-attributes'); + instance.setAttribute('title', 'hi'); + assert_equals(calls.length, 1); + assert_attribute_log_entry(calls[0], {name: 'title', oldValue: null, newValue: 'hi', namespace: null}); + + instance.setAttribute('id', 'some'); + assert_equals(calls.length, 1); + + instance.setAttribute('lang', 'en'); + assert_equals(calls.length, 2); + assert_attribute_log_entry(calls[1], {name: 'lang', oldValue: null, newValue: 'en', namespace: null}); +}, 'Mutating observedAttributes after calling customElements.define must not affect the set of attributes for which attributedChangedCallback is invoked'); + +test(function () { + var calls = []; + class CustomElement extends HTMLElement { } + CustomElement.prototype.attributeChangedCallback = function (...args) { + calls.push(create_attribute_changed_callback_log(this, ...args)); + } + CustomElement.observedAttributes = { [Symbol.iterator]: function *() { yield 'lang'; yield 'style'; } }; + customElements.define('element-with-generator-observed-attributes', CustomElement); + + var instance = document.createElement('element-with-generator-observed-attributes'); + instance.setAttribute('lang', 'en'); + assert_equals(calls.length, 1); + assert_attribute_log_entry(calls[0], {name: 'lang', oldValue: null, newValue: 'en', namespace: null}); + + instance.setAttribute('lang', 'ja'); + assert_equals(calls.length, 2); + assert_attribute_log_entry(calls[1], {name: 'lang', oldValue: 'en', newValue: 'ja', namespace: null}); + + instance.setAttribute('title', 'hello'); + assert_equals(calls.length, 2); + + instance.setAttribute('style', 'font-size: 2rem'); + assert_equals(calls.length, 3); + assert_attribute_log_entry(calls[2], {name: 'style', oldValue: null, newValue: 'font-size: 2rem', namespace: null}); +}, 'attributedChangedCallback must be enqueued for attributes specified in a non-Array iterable observedAttributes'); + +test(function () { + var calls = []; + class CustomElement extends HTMLElement { } + CustomElement.prototype.attributeChangedCallback = function (...args) { + calls.push(create_attribute_changed_callback_log(this, ...args)); + } + CustomElement.observedAttributes = ['style']; + customElements.define('element-with-style-attribute-observation', CustomElement); + + var instance = document.createElement('element-with-style-attribute-observation'); + assert_equals(calls.length, 0); + + instance.style.fontSize = '10px'; + assert_equals(calls.length, 1); + assert_attribute_log_entry(calls[0], {name: 'style', oldValue: null, newValue: 'font-size: 10px;', namespace: null}); + + instance.style.fontSize = '20px'; + assert_equals(calls.length, 2); + assert_attribute_log_entry(calls[1], {name: 'style', oldValue: 'font-size: 10px;', newValue: 'font-size: 20px;', namespace: null}); + +}, 'attributedChangedCallback must be enqueued for style attribute change by mutating inline style declaration'); + +test(function () { + var calls = []; + class CustomElement extends HTMLElement { } + CustomElement.prototype.attributeChangedCallback = function (...args) { + calls.push(create_attribute_changed_callback_log(this, ...args)); + } + CustomElement.observedAttributes = ['title']; + customElements.define('element-with-no-style-attribute-observation', CustomElement); + + var instance = document.createElement('element-with-no-style-attribute-observation'); + assert_equals(calls.length, 0); + instance.style.fontSize = '10px'; + assert_equals(calls.length, 0); + instance.title = 'hello'; + assert_attribute_log_entry(calls[0], {name: 'title', oldValue: null, newValue: 'hello', namespace: null}); +}, 'attributedChangedCallback must not be enqueued when mutating inline style declaration if the style attribute is not observed'); + +test(function () { + var calls = []; + class CustomElement extends HTMLElement { } + CustomElement.prototype.attributeChangedCallback = function (...args) { + calls.push(create_attribute_changed_callback_log(this, ...args)); + } + CustomElement.observedAttributes = ['title']; + customElements.define('parser-created-element', CustomElement); + assert_attribute_log_entry(calls[0], {name: 'title', oldValue: null, newValue: '', namespace: null}); +}, 'Upgrading a parser created element must enqueue and invoke attributeChangedCallback for an HTML attribute'); + +test(function () { + var calls = []; + class CustomElement extends HTMLElement { } + CustomElement.prototype.attributeChangedCallback = function (...args) { + calls.push(create_attribute_changed_callback_log(this, ...args)); + } + CustomElement.observedAttributes = ['title']; + customElements.define('cloned-element-with-attribute', CustomElement); + + var instance = document.createElement('cloned-element-with-attribute'); + assert_equals(calls.length, 0); + instance.title = ''; + assert_attribute_log_entry(calls[0], {name: 'title', oldValue: null, newValue: '', namespace: null}); + + calls = []; + var clone = instance.cloneNode(false); + assert_attribute_log_entry(calls[0], {name: 'title', oldValue: null, newValue: '', namespace: null}); +}, 'Upgrading a cloned element must enqueue and invoke attributeChangedCallback for an HTML attribute'); + +</script> +</body> +</html> |