Adding a test for crbug.com/942555
Unfortunately, due to crbug.com/895904 and crbug.com/567947,
this test isn't going to run on Android, which is where the original
bug occurs. But if crbug.com/567947 gets resolved, this test
can be enabled in SmokeTests.
Bug: 942555
Change-Id: Ibaa3e63d2f5f472961b30c34d39ab49344c8ecba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1584849
Auto-Submit: Mason Freed <masonfreed@chromium.org>
Commit-Queue: Stephen Chenney <schenney@chromium.org>
Reviewed-by: Stephen Chenney <schenney@chromium.org>
Cr-Commit-Position: refs/heads/master@{#654939}
diff --git a/css/css-position/fixed-z-index-blend-ref.html b/css/css-position/fixed-z-index-blend-ref.html
new file mode 100644
index 0000000..2675401
--- /dev/null
+++ b/css/css-position/fixed-z-index-blend-ref.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<title>fixed position, z-index, and mix-blend-mode</title>
+<link rel="author" title="Mason Freed" href="mailto:masonfreed@chromium.org">
+
+<div style="width: 100px; height:4000px;"></div>
+<div style="background: green; width: 100px; height:100px;"></div>
+
+<script>
+requestAnimationFrame(()=>{
+ requestAnimationFrame(()=>{
+ window.scrollBy(0, 3000);
+ });
+});
+</script>
diff --git a/css/css-position/fixed-z-index-blend.html b/css/css-position/fixed-z-index-blend.html
new file mode 100644
index 0000000..5558228
--- /dev/null
+++ b/css/css-position/fixed-z-index-blend.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<html class="reftest-wait" style="overflow-x:hidden;">
+<title>fixed position, z-index, and mix-blend-mode</title>
+<link rel="help" href="https://www.w3.org/TR/CSS2/visuren.html#fixed-positioning">
+<link rel="help" href="https://www.w3.org/TR/CSS2/visuren.html#propdef-z-index">
+<link rel="help" href="https://www.w3.org/TR/compositing-1/#mix-blend-mode">
+<meta name="assert" content="Tests fixed, z-index, and mix-blend-mode.
+Passes if there is a green box when the page is scrolled to the bottom.">
+<link rel="author" title="Mason Freed" href="mailto:masonfreed@chromium.org">
+<link rel="match" href="fixed-z-index-blend-ref.html">
+
+<div class="blend"></div>
+<div class="background"></div>
+<div class="text">
+ <div style="width: 100px; height:4000px;"></div>
+ <div style="background: green; width: 100px; height:100px;"></div>
+</div>
+
+<style>
+.blend {
+ display: block;
+ position: fixed;
+ z-index: 2;
+ top: 0;
+ left: 0;
+ bottom: 0;
+ right: 0;
+ mix-blend-mode: overlay;
+}
+
+.background {
+ pointer-events: none;
+ position: fixed;
+ z-index: 1;
+ top: 0;
+ left: 0;
+ bottom: 0;
+ right: 0;
+ opacity: 1;
+}
+
+.text {
+ position: relative;
+ z-index: 3;
+ overflow: hidden;
+ width: 100vw;
+ min-height: 100vh;
+ font-size: 50px;
+ line-height: 2;
+}
+</style>
+
+<script src="/common/reftest-wait.js"></script>
+<script>
+requestAnimationFrame(()=>{
+ requestAnimationFrame(()=>{
+ window.scrollBy(0, 3000);
+ takeScreenshot();
+ });
+});
+</script>
+</html>
