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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/custom-elements/parser/parser-custom-element-in-foreign-content.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/custom-elements/parser/parser-custom-element-in-foreign-content.html')
| -rw-r--r-- | testing/web-platform/tests/custom-elements/parser/parser-custom-element-in-foreign-content.html | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/parser/parser-custom-element-in-foreign-content.html b/testing/web-platform/tests/custom-elements/parser/parser-custom-element-in-foreign-content.html new file mode 100644 index 0000000000..2ae0f1309c --- /dev/null +++ b/testing/web-platform/tests/custom-elements/parser/parser-custom-element-in-foreign-content.html @@ -0,0 +1,28 @@ +<!DOCTYPE html> +<title>Custom Elements: Custom element in foreign content</title> +<meta name="assert" content="HTML parser should not create non-HTML namespace custom elements"> +<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> +<script> +class ThrowsException extends HTMLElement { + constructor() { + throw 'Bad'; + } +}; +customElements.define('throws-exception', ThrowsException); +</script> +<svg> + <throws-exception/> +</svg> +<script> +test(function () { + var instance = document.querySelector('throws-exception'); + assert_false(instance instanceof ThrowsException, + 'The HTML parser must NOT instantiate a custom element in non-HTML namespaces'); + assert_false(instance instanceof HTMLUnknownElement, 'The HTML parser should not fallback'); + assert_true(instance instanceof SVGElement, + 'The element created by the HTML parser must be an instance of SVGElement'); +}, 'HTML parser should not create custom elements in non-HTML namespaces'); +</script> |