From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../css-overflow/scrollbar-gutter-dynamic-002.html | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 testing/web-platform/tests/css/css-overflow/scrollbar-gutter-dynamic-002.html

(limited to 'testing/web-platform/tests/css/css-overflow/scrollbar-gutter-dynamic-002.html')
diff --git a/testing/web-platform/tests/css/css-overflow/scrollbar-gutter-dynamic-002.html b/testing/web-platform/tests/css/css-overflow/scrollbar-gutter-dynamic-002.html
new file mode 100644
index 0000000000..a830e6b680
--- /dev/null
+++ b/testing/web-platform/tests/css/css-overflow/scrollbar-gutter-dynamic-002.html
@@ -0,0 +1,87 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+  <meta charset="utf-8">
+  <title>CSS Overflow: test scrollbar-gutter dynamic update</title>
+  <link rel="author" title="Luke Warlow" href="mailto:luke@warlow.dev">
+  <link rel="help" href="https://drafts.csswg.org/css-overflow-4/#scrollbar-gutter-property">
+  <link rel="match" href="scrollbar-gutter-dynamic-002-ref.html">
+  <script src="/common/reftest-wait.js"></script>
+
+  <style>
+  .line {
+    display: flex;
+  }
+
+  .container {
+    writing-mode: horizontal-tb;
+    direction: ltr;
+
+    block-size: 200px;
+    inline-size: 200px;
+    margin: 10px;
+    background: deepskyblue;
+  }
+
+  .content {
+    inline-size: 100%;
+    block-size: 200%;
+    background: lightsalmon;
+  }
+  </style>
+
+  <div class="line">
+    <div id="auto-auto" class="container" style="overflow-y: auto; scrollbar-gutter: auto">
+      <div class="content"></div>
+    </div>
+
+    <div id="scroll-auto" class="container" style="overflow-y: scroll; scrollbar-gutter: auto">
+      <div class="content"></div>
+    </div>
+
+    <div id="hidden-auto" class="container" style="overflow-y: hidden; scrollbar-gutter: auto">
+      <div class="content"></div>
+    </div>
+  </div>
+
+  <div class="line">
+    <div id="auto-stable" class="container" style="overflow-y: auto; scrollbar-gutter: stable">
+      <div class="content"></div>
+    </div>
+
+    <div id="scroll-stable" class="container" style="overflow-y: scroll; scrollbar-gutter: stable">
+      <div class="content"></div>
+    </div>
+
+    <div id="hidden-stable" class="container" style="overflow-y: hidden; scrollbar-gutter: stable">
+      <div class="content"></div>
+    </div>
+  </div>
+
+  <div class="line">
+    <div id="auto-stable-both" class="container" style="overflow-y: auto; scrollbar-gutter: stable both-edges">
+      <div class="content"></div>
+    </div>
+
+    <div id="scroll-stable-both" class="container" style="overflow-y: scroll; scrollbar-gutter: stable both-edges">
+      <div class="content"></div>
+    </div>
+
+    <div id="hidden-stable-both" class="container" style="overflow-y: hidden; scrollbar-gutter: stable both-edges">
+      <div class="content"></div>
+    </div>
+  </div>
+<script>
+  requestAnimationFrame(() => requestAnimationFrame(() => {
+    document.getElementById('auto-auto').style.scrollbarGutter = 'stable both-edges';
+    document.getElementById('scroll-auto').style.scrollbarGutter = 'stable both-edges';
+    document.getElementById('hidden-auto').style.scrollbarGutter = 'stable both-edges';
+    document.getElementById('auto-stable').style.scrollbarGutter = 'auto';
+    document.getElementById('scroll-stable').style.scrollbarGutter = 'auto';
+    document.getElementById('hidden-stable').style.scrollbarGutter = 'auto';
+    document.getElementById('auto-stable-both').style.scrollbarGutter = 'stable';
+    document.getElementById('scroll-stable-both').style.scrollbarGutter = 'stable';
+    document.getElementById('hidden-stable-both').style.scrollbarGutter = 'stable';
+    takeScreenshot();
+  }));
+</script>
+</html>
-- 
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