diff options
Diffstat (limited to 'testing/web-platform/tests/custom-elements/prevent-extensions-crash.html')
| -rw-r--r-- | testing/web-platform/tests/custom-elements/prevent-extensions-crash.html | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/prevent-extensions-crash.html b/testing/web-platform/tests/custom-elements/prevent-extensions-crash.html new file mode 100644 index 0000000000..ae8b96b413 --- /dev/null +++ b/testing/web-platform/tests/custom-elements/prevent-extensions-crash.html @@ -0,0 +1,15 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>Check for crash at step #12 of HTML Constructors</title> +<meta name='author' href='mailto:masonf@chromium.org'> +<link rel='help' href='https://html.spec.whatwg.org/multipage/dom.html#html-element-constructors'> +<link rel='help' href='https://crbug.com/1197894'> + +<uh-oh></uh-oh> + +<script type="module"> + Reflect.preventExtensions(document.querySelector('uh-oh')); + customElements.define('uh-oh', class extends HTMLElement {}); +</script> + +This test passes if it does not crash. |