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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/dom/nodes/MutationObserver-callback-arguments.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/dom/nodes/MutationObserver-callback-arguments.html')
| -rw-r--r-- | testing/web-platform/tests/dom/nodes/MutationObserver-callback-arguments.html | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/testing/web-platform/tests/dom/nodes/MutationObserver-callback-arguments.html b/testing/web-platform/tests/dom/nodes/MutationObserver-callback-arguments.html new file mode 100644 index 0000000000..d64758cb4f --- /dev/null +++ b/testing/web-platform/tests/dom/nodes/MutationObserver-callback-arguments.html @@ -0,0 +1,31 @@ +<!DOCTYPE HTML> +<meta charset=utf-8> +<title>MutationObserver: callback arguments</title> +<link rel="help" href="https://dom.spec.whatwg.org/#notify-mutation-observers"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<div id="mo-target"></div> +<div id="log"></div> +<script> +"use strict"; + +async_test(t => { + const moTarget = document.querySelector("#mo-target"); + const mo = new MutationObserver(function(records, observer) { + t.step(() => { + assert_equals(this, mo); + assert_equals(arguments.length, 2); + assert_true(Array.isArray(records)); + assert_equals(records.length, 1); + assert_true(records[0] instanceof MutationRecord); + assert_equals(observer, mo); + + mo.disconnect(); + t.done(); + }); + }); + + mo.observe(moTarget, {attributes: true}); + moTarget.className = "trigger-mutation"; +}, "Callback is invoked with |this| value of MutationObserver and two arguments"); +</script> |