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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/dom/nodes/MutationObserver-disconnect.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/dom/nodes/MutationObserver-disconnect.html')
| -rw-r--r-- | testing/web-platform/tests/dom/nodes/MutationObserver-disconnect.html | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/testing/web-platform/tests/dom/nodes/MutationObserver-disconnect.html b/testing/web-platform/tests/dom/nodes/MutationObserver-disconnect.html new file mode 100644 index 0000000000..883edecf74 --- /dev/null +++ b/testing/web-platform/tests/dom/nodes/MutationObserver-disconnect.html @@ -0,0 +1,48 @@ +<!DOCTYPE HTML> +<meta charset=utf-8> +<title>MutationObservers: disconnect</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<h1>MutationObservers: disconnect</h1> +<div id="log"></div> +<section style="display: none"> +<p id='n00'></p> +</section> +<script> +var n00 = document.getElementById('n00'); +var parentTest = async_test("subtree mutations"); +function masterMO(sequence, obs) { + parentTest.step(function() { + assert_equals(sequence.length, 4, "mutation records must match"); + }); + parentTest.done(); +} +parentTest.step(function() { + (new MutationObserver(masterMO)).observe(n00.parentNode, {"subtree": true, "attributes": true}); +}); + +var disconnectTest = async_test("disconnect discarded some mutations"); +function observerCallback(sequence, obs) { + disconnectTest.step(function() { + assert_equals(sequence.length, 1); + assert_equals(sequence[0].type, "attributes"); + assert_equals(sequence[0].attributeName, "id"); + assert_equals(sequence[0].oldValue, "latest"); + disconnectTest.done(); + }); +} + +var observer; +disconnectTest.step(function() { + observer = new MutationObserver(observerCallback); + observer.observe(n00, {"attributes": true}); + n00.id = "foo"; + n00.id = "bar"; + observer.disconnect(); + observer.observe(n00, {"attributes": true, "attributeOldValue": true}); + n00.id = "latest"; + observer.disconnect(); + observer.observe(n00, {"attributes": true, "attributeOldValue": true}); + n00.id = "n0000"; +}); +</script> |