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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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diff --git a/layout/reftests/invalidation/layer-splitting-1.html b/layout/reftests/invalidation/layer-splitting-1.html
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+<!DOCTYPE html>
+<html lang="en" class="reftest-wait">
+<meta charset="utf-8">
+<title>Moving the transform under the absolutely-positioned layer should cause that to invalidate</title>
+
+<style>
+
+.content {
+ box-sizing: border-box;
+ width: 200px;
+ height: 200px;
+ border: 1px solid black;
+}
+
+.absolute {
+ position: absolute;
+ z-index: 2;
+ top: 20px;
+ left: 240px;
+}
+
+.reftest-no-paint {
+ border-color: lime;
+}
+
+.transform {
+ will-change: transform;
+}
+
+body {
+ margin: 0;
+ padding: 20px;
+ height: 3000px;
+}
+
+</style>
+
+<div class="transform content" id="aboutToMoveUnderAbsolute">
+ <!--
+ This transform is active + prerendered, and will move under the
+ absolutely-positioned item.
+ -->
+</div>
+
+<div class="absolute reftest-no-paint content">
+ <!--
+ This absolutely-positioned element should get its own PaintedLayer above the
+ transform.
+
+ It shouldn't attempt to pull up an opaque background color from the page,
+ because the transform can move under it.
+ -->
+</div>
+
+<script>
+
+function doTest() {
+ document.querySelector("#aboutToMoveUnderAbsolute").style.transform = "translateX(100px)";
+ document.documentElement.removeAttribute("class");
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+
+</script>