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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/webmessaging/messageerror.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.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/webmessaging/messageerror.html')
| -rw-r--r-- | testing/web-platform/tests/webmessaging/messageerror.html | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/messageerror.html b/testing/web-platform/tests/webmessaging/messageerror.html new file mode 100644 index 0000000000..2cb51ee3c0 --- /dev/null +++ b/testing/web-platform/tests/webmessaging/messageerror.html @@ -0,0 +1,44 @@ +<!DOCTYPE html> +<title>onmessageerror content attribute</title> +<link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me"> +<link rel="help" href="https://html.spec.whatwg.org/multipage/#handler-onmessageerror"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> + +<body> + +<script> +"use strict"; +window.messageErrorHappened = false; + +function cleanup() { + window.messageErrorHappened = false; + document.body.removeAttribute("onmessageerror"); +} + +test(() => { + assert_equals(document.body.onmessageerror, null, "body"); + assert_equals(window.onmessageerror, null, "window"); +}, "The default value of onmessageerror is null"); + +test(t => { + t.add_cleanup(cleanup); + + document.body.setAttribute("onmessageerror", "window.messageErrorHappened = true;") + const compiledHandler = document.body.onmessageerror; + + assert_equals(typeof compiledHandler, "function", "The onmessageerror property must be a function"); + compiledHandler(); + assert_true(window.messageErrorHappened, "Calling the handler must run the code"); +}, "The onmessageerror content attribute must be compiled into the onmessageerror property"); + +test(t => { + t.add_cleanup(cleanup); + + document.body.setAttribute("onmessageerror", "window.messageErrorHappened = true;") + + window.dispatchEvent(new Event("messageerror")); + + assert_true(window.messageErrorHappened, "Dispatching the event must run the code"); +}, "The onmessageerror content attribute must execute when an event is dispatched on the window"); +</script> |