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-rw-r--r--layout/reftests/transform-3d/willchange-containing-block.html43
1 files changed, 43 insertions, 0 deletions
diff --git a/layout/reftests/transform-3d/willchange-containing-block.html b/layout/reftests/transform-3d/willchange-containing-block.html
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index 000000000..95de2c74d
--- /dev/null
+++ b/layout/reftests/transform-3d/willchange-containing-block.html
@@ -0,0 +1,43 @@
+<!DOCTYPE HTML>
+<html>
+<body>
+<style>
+body {
+ padding: 100px;
+ width: 5000px;
+ height: 5000px;
+ overflow: scroll;
+}
+div {
+}
+#parent {
+ background:red;
+ width: 64px;
+ height: 64px;
+}
+#child {
+ background:green;
+ position:fixed;
+ width: 32px;
+ height: 32px;
+}
+</style>
+<div id="parent">
+<div id="child">
+
+</div>
+</div>
+<script type="application/javascript">
+
+if (document.location.search == '?willchange') {
+ document.getElementById("parent").style.willChange = "transform";
+} else if (document.location.search == '?ref') {
+ document.getElementById("parent").style.transform = "translateZ(1px)";
+} else if (document.location.search == '?noblock') {
+}
+
+document.documentElement.scrollTop = 10;
+document.documentElement.scrollLeft = 10;
+</script>
+</body>
+</html>