From 38ab56be1a5a5850d51b85b19ed730f12d294f6c Mon Sep 17 00:00:00 2001
From: WPT Sync Bot <josh+wptsync@joshmatthews.net>
Date: Tue, 1 Oct 2019 10:52:57 +0000
Subject: Update web-platform-tests to revision
 f1e1bd6bfa544af8059ff8ef79d622281f9ec0a8

---
 .../overflow-codependent-scrollbars.html           | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 tests/wpt/web-platform-tests/css/css-overflow/overflow-codependent-scrollbars.html

(limited to 'tests/wpt/web-platform-tests/css/css-overflow/overflow-codependent-scrollbars.html')
diff --git a/tests/wpt/web-platform-tests/css/css-overflow/overflow-codependent-scrollbars.html b/tests/wpt/web-platform-tests/css/css-overflow/overflow-codependent-scrollbars.html
new file mode 100644
index 00000000000..eb0e4f5ea2e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-overflow/overflow-codependent-scrollbars.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<link rel="author" href="mailto:atotic@google.com">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#scrollable">
+<meta name="assert" content="What happens when appearance of one scrollbar triggers the other one?">
+<style>
+.container {
+  width: 100px;
+  height: 100px;
+  overflow: auto;
+  background: #DDD;
+  --too-big: 120px;
+  --slightly-smaller: 95px;
+}
+.target {
+  width: 120px;
+  height: 95px;
+  background: rgba(0,255,0,0.3);
+}
+</style>
+<!--  -->
+<div class="container">
+  <div class="target" style="width:var(--too-big);height:var(--slightly-smaller)" ></div>
+</div>
+<div class="container">
+  <div class="target" style="height:var(--too-big);width:var(--slightly-smaller)" ></div>
+</div>
+
+<script>
+test(() => {
+  Array.from(document.querySelectorAll(".container")).forEach( el => {
+    let verticalScrollbar = el.offsetWidth - el.clientWidth;
+    let horizontalScrollbar = el.offsetHeight - el.clientHeight;
+    assert_equals(verticalScrollbar, horizontalScrollbar, "both scrollbars are visible.");
+  });
+}, 'appearance of one scrollbar caused the other scrollbar to appear.');
+</script>
-- 
cgit v1.2.3

