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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/shadow-dom/focus-within-shadow.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/shadow-dom/focus-within-shadow.html')
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1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/shadow-dom/focus-within-shadow.html b/testing/web-platform/tests/shadow-dom/focus-within-shadow.html
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+++ b/testing/web-platform/tests/shadow-dom/focus-within-shadow.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<link rel="author" href="mailto:masonf@chromium.org">
+<link rel="help" href="https://crbug.com/1300584">
+<script src='/resources/testharness.js'></script>
+<script src='/resources/testharnessreport.js'></script>
+
+<div id=host>
+ <template shadowrootmode=open>
+ <button><slot></slot></button>
+ </template>
+ <span>Content</span>
+</div>
+
+<script>
+ const host = document.getElementById('host');
+ test(() => {
+ const shadowButton = host.shadowRoot.querySelector('button');
+ shadowButton.focus();
+ assert_equals(document.activeElement,host,'nodes within shadow DOM aren\'t exposed');
+ host.textContent = 'New Content';
+ assert_equals(document.activeElement,host,'Clearing light DOM shouldn\'t clear focus');
+ },'Don\'t clear focus within shadow root if light DOM children are cleared');
+</script>
+