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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/custom-elements/perform-microtask-checkpoint-before-construction-xml-parser.xhtml | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/custom-elements/perform-microtask-checkpoint-before-construction-xml-parser.xhtml')
| -rw-r--r-- | testing/web-platform/tests/custom-elements/perform-microtask-checkpoint-before-construction-xml-parser.xhtml | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/perform-microtask-checkpoint-before-construction-xml-parser.xhtml b/testing/web-platform/tests/custom-elements/perform-microtask-checkpoint-before-construction-xml-parser.xhtml new file mode 100644 index 0000000000..63bb1d143f --- /dev/null +++ b/testing/web-platform/tests/custom-elements/perform-microtask-checkpoint-before-construction-xml-parser.xhtml @@ -0,0 +1,81 @@ +<?xml version="1.0" encoding="utf-8"?> +<html xmlns="http://www.w3.org/1999/xhtml"> +<head> +<title>Custom Elements: create an element for a token must perform a microtask checkpoint</title> +<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org" /> +<meta name="assert" content="When the HTML parser creates an element for a token, it must perform a microtask checkpoint before invoking the constructor" /> +<meta name="help" content="https://html.spec.whatwg.org/multipage/parsing.html#create-an-element-for-the-token" /> +<meta name="help" content="https://html.spec.whatwg.org/multipage/webappapis.html#perform-a-microtask-checkpoint" /> +<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> +<![CDATA[ + +async function construct_custom_element_in_parser(test, markup) +{ + const window = await create_window_in_test_async(test, 'application/xml', `<?xml version="1.0" encoding="utf-8"?> +<html xmlns="http://www.w3.org/1999/xhtml"> +<body><script> +class SomeElement extends HTMLElement { + constructor() { + super(); + window.recordsListInConstructor = recordsList.map((records) => records.slice(0)); + } +} +customElements.define('some-element', SomeElement); + +const recordsList = []; +const observer = new MutationObserver((records) => { + recordsList.push(records); +}); +observer.observe(document.body, {childList: true, subtree: true}); + +window.onload = () => { + window.recordsListInDOMContentLoaded = recordsList.map((records) => records.slice(0)); +} + +</scr` + `ipt>${markup}</body></html>`); + return window; +} + +promise_test(async function () { + const contentWindow = await construct_custom_element_in_parser(this, '<b><some-element></some-element></b>'); + const contentDocument = contentWindow.document; + + let recordsList = contentWindow.recordsListInConstructor; + assert_true(Array.isArray(recordsList)); + assert_equals(recordsList.length, 1); + assert_true(Array.isArray(recordsList[0])); + assert_equals(recordsList[0].length, 1); + let record = recordsList[0][0]; + assert_equals(record.type, 'childList'); + assert_equals(record.target, contentDocument.body); + assert_equals(record.previousSibling, contentDocument.querySelector('script')); + assert_equals(record.nextSibling, null); + assert_equals(record.removedNodes.length, 0); + assert_equals(record.addedNodes.length, 1); + assert_equals(record.addedNodes[0], contentDocument.querySelector('b')); + + recordsList = contentWindow.recordsListInDOMContentLoaded; + assert_true(Array.isArray(recordsList)); + assert_equals(recordsList.length, 2); + assert_true(Array.isArray(recordsList[1])); + assert_equals(recordsList[1].length, 1); + record = recordsList[1][0]; + assert_equals(record.type, 'childList'); + assert_equals(record.target, contentDocument.querySelector('b')); + assert_equals(record.previousSibling, null); + assert_equals(record.nextSibling, null); + assert_equals(record.removedNodes.length, 0); + assert_equals(record.addedNodes.length, 1); + assert_equals(record.addedNodes[0], contentDocument.querySelector('some-element')); +}, 'XML parser must perform a microtask checkpoint before constructing a custom element'); + +]]> +</script> +</body> +</html> |