diff options
| 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/parser/parser-constructs-custom-element-synchronously.html | |
| 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/parser/parser-constructs-custom-element-synchronously.html')
| -rw-r--r-- | testing/web-platform/tests/custom-elements/parser/parser-constructs-custom-element-synchronously.html | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/parser/parser-constructs-custom-element-synchronously.html b/testing/web-platform/tests/custom-elements/parser/parser-constructs-custom-element-synchronously.html new file mode 100644 index 0000000000..206aa17f20 --- /dev/null +++ b/testing/web-platform/tests/custom-elements/parser/parser-constructs-custom-element-synchronously.html @@ -0,0 +1,51 @@ +<!DOCTYPE html> +<html> +<head> +<title>Custom Elements: Changes to the HTML parser</title> +<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> +<meta name="assert" content="HTML parser must construct a custom element synchronously"> +<link rel="help" href="https://html.spec.whatwg.org/#create-an-element-for-the-token"> +<link rel="help" href="https://dom.spec.whatwg.org/#concept-create-element"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +</head> +<body> +<div id="log"></div> +<script> + +var childElementCountInConstructor; +var containerChildNodesInConstructor = []; +var containerNextSiblingInConstructor; +class MyCustomElement extends HTMLElement { + constructor() { + super(); + var container = document.getElementById('custom-element-container'); + for (var i = 0; i < container.childNodes.length; i++) + containerChildNodesInConstructor.push(container.childNodes[i]); + containerNextSiblingInConstructor = container.nextSibling; + } +}; +customElements.define('my-custom-element', MyCustomElement); + +</script> +<div id="custom-element-container"> + <span id="custom-element-previous-element"></span> + <my-custom-element></my-custom-element> + <div id="custom-element-next-element"></div> +</div> +<script> + +test(function () { + var instance = document.querySelector('my-custom-element'); + + assert_equals(containerChildNodesInConstructor.length, 3); + assert_equals(containerChildNodesInConstructor[0], instance.parentNode.firstChild); + assert_equals(containerChildNodesInConstructor[1], document.getElementById('custom-element-previous-element')); + assert_equals(containerChildNodesInConstructor[2], instance.previousSibling); + assert_equals(containerNextSiblingInConstructor, null); + +}, 'HTML parser must only append nodes that appear before a custom element before instantiating the custom element'); + +</script> +</body> +</html> |