diff options
Diffstat (limited to 'testing/web-platform')
| -rw-r--r-- | testing/web-platform/tests/custom-elements/reactions/with-exceptions.html | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/reactions/with-exceptions.html b/testing/web-platform/tests/custom-elements/reactions/with-exceptions.html new file mode 100644 index 000000000..82e0f59c9 --- /dev/null +++ b/testing/web-platform/tests/custom-elements/reactions/with-exceptions.html @@ -0,0 +1,31 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>Custom Elements: CEReactions interaction with exceptions</title> +<link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me"> +<meta name="help" content="https://html.spec.whatwg.org/multipage/#cereactions"> +<meta name="help" content="https://github.com/whatwg/html/pull/3235"> + +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="../resources/custom-elements-helpers.js"></script> + +<div id="log"></div> + +<script> +"use strict"; +// Basically from https://github.com/whatwg/html/issues/3217#issuecomment-343633273 +test_with_window((contentWindow, contentDocument) => { + let reactionRan = false; + contentWindow.customElements.define("custom-element", class extends contentWindow.HTMLElement { + disconnectedCallback() { + reactionRan = true; + } + }); + const text = contentDocument.createTextNode(""); + contentDocument.documentElement.appendChild(text); + const element = contentDocument.createElement("custom-element"); + contentDocument.documentElement.appendChild(element); + assert_throws("HierarchyRequestError", () => text.before("", contentDocument.documentElement)); + assert_true(reactionRan); +}, "Reaction must run even after the exception is thrown"); +</script> |