summaryrefslogtreecommitdiffstats
path: root/layout/reftests/layers/component-alpha-enter-1.html
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /layout/reftests/layers/component-alpha-enter-1.html
parentInitial commit. (diff)
downloadfirefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz
firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/reftests/layers/component-alpha-enter-1.html')
-rw-r--r--layout/reftests/layers/component-alpha-enter-1.html56
1 files changed, 56 insertions, 0 deletions
diff --git a/layout/reftests/layers/component-alpha-enter-1.html b/layout/reftests/layers/component-alpha-enter-1.html
new file mode 100644
index 0000000000..b5a945b523
--- /dev/null
+++ b/layout/reftests/layers/component-alpha-enter-1.html
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<title>Test transition from single-alpha layer to component-alpha layer from a display port size change</title>
+<script type="text/javascript">
+ document.addEventListener('MozReftestInvalidate', function() {
+ var scrollbox = document.getElementById('scrollbox');
+ scrollbox.scrollTop = 1000;
+
+ window.addEventListener("MozAfterPaint", function() {
+ // Remove dummy to make scrollbox the first scroll element giving it a
+ // display port. The display port will then contain the text forcing the
+ // layer to transition to component alpha.
+ document.getElementById('dummy').remove();
+ document.documentElement.className = '';
+ }, {once: true});
+ });
+</script>
+<style>
+#dummy {
+ margin: 20px;
+ width: 300px;
+ height: 400px;
+ overflow: scroll;
+}
+
+#filler {
+ height: 600px;
+}
+
+#scrollbox {
+ margin: 20px;
+ width: 300px;
+ height: 400px;
+ overflow-y: scroll;
+ background: linear-gradient(#FFF, #FFF);
+}
+
+#inner {
+ background-color: #000;
+ margin-top: 10px;
+ height: 5px;
+ line-height: 5px;
+ padding-bottom: 400px;
+}
+</style>
+
+<div id="dummy">
+ <div id="filler">
+ </div>
+</div>
+
+<div id="scrollbox">
+ <div id="inner">
+ Text
+ </div>
+</div>