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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/resize-observer/scrollbars-2.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>
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1 files changed, 36 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resize-observer/scrollbars-2.html b/testing/web-platform/tests/resize-observer/scrollbars-2.html
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+++ b/testing/web-platform/tests/resize-observer/scrollbars-2.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<title>ResizeObserver content-box size and scrollbars</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1733042">
+<style>
+ #scrollContainer {
+ width: 100px;
+ height: 100px;
+ /* Should be bigger than any reasonable scrollbar */
+ padding: 30px;
+ border: 10px solid blue;
+ overflow: scroll;
+ background: #818182;
+ }
+
+</style>
+<div id="scrollContainer"></div>
+<script>
+ promise_test(async function() {
+ let count = 0;
+
+ const scrollContainer = document.getElementById('scrollContainer');
+ // 20 to account for the border.
+ const scrollbarSize = scrollContainer.offsetWidth - scrollContainer.clientWidth - 20;
+ let size = await new Promise(resolve => {
+ const observer = new ResizeObserver(entries => {
+ resolve(entries[0].contentBoxSize[0]);
+ });
+ observer.observe(scrollContainer);
+ });
+
+ assert_equals(size.inlineSize, 100 - scrollbarSize);
+ assert_equals(size.blockSize, 100 - scrollbarSize);
+ });
+</script>