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Diffstat (limited to '')
| -rw-r--r-- | testing/web-platform/tests/shadow-dom/getElementById-dynamic-001.html | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/testing/web-platform/tests/shadow-dom/getElementById-dynamic-001.html b/testing/web-platform/tests/shadow-dom/getElementById-dynamic-001.html new file mode 100644 index 0000000000..c2acda2a9c --- /dev/null +++ b/testing/web-platform/tests/shadow-dom/getElementById-dynamic-001.html @@ -0,0 +1,23 @@ +<!doctype html> +<title>Shadow DOM: ShadowRoot.getElementById in shadow trees keeps working after host is removed from tree</title> +<link rel="help" href="https://dom.spec.whatwg.org/#dom-nonelementparentnode-getelementbyid"> +<link rel="help" href="https://bugzil.la/1475203"> +<link rel="author" name="Emilio Cobos Álvarez" href="emilio@crisal.io"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<div id="host"></div> +<script> +test(function() { + let host = document.getElementById("host"); + host.attachShadow({ mode: "open" }).innerHTML = `<div id="test-id"></div>`; + + let element = host.shadowRoot.getElementById("test-id"); + assert_true(!!element); + + host.remove(); + assert_equals(host.shadowRoot.getElementById("test-id"), element); + + element.remove(); + assert_equals(host.shadowRoot.getElementById("test-id"), null); +}, "ShadowRoot.getElementById keeps working after host has been removed"); +</script> |