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+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>Test for bug 1313753</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<div id="log"></div>
+<script>
+function runTest() {
+ // Change visible region of |closure| element.
+ document.getElementById("target").classList.add("rotate");
+ window.setTimeout(function() {
+ var target = document.getElementById("target");
+ var bounds = target.getBoundingClientRect();
+ var x = bounds.x + bounds.width / 2;
+ var y = bounds.y + bounds.height / 2;
+ is(document.elementFromPoint(x, y).id, target.id,
+ "it should be |target| element if visible regions of closure is correct");
+ SimpleTest.finish();
+ }, 0);
+}
+
+SimpleTest.waitForExplicitFinish();
+SimpleTest.waitForFocus(runTest);
+</script>
+
+<style>
+.panel {
+ transform: rotateX(-150deg);
+ backface-visibility: hidden;
+ transform-origin: 0px 0px;
+ position: absolute;
+ display: block;
+ width: 100px;
+ height: 100px;
+ background-color: green;
+}
+#closure .rotate {
+ transform: rotateX(0deg);
+}
+#closure {
+ perspective: 100px;
+ width: 200px;
+ z-index: 1;
+}
+#outer {
+ height: 400px;
+ width: 200px;
+}
+</style>
+<div id="outer">
+ <div id="closure">
+ <div style="transform-style: preserve-3d;">
+ <div style="transform-style: preserve-3d; background-color: blue;">
+ <ul style="transform-style: preserve-3d;">
+ <li style="transform-style:preserve-3d;">
+ <div style="display: contents">
+ <div id="target" class="panel"></div>
+ </div>
+ </li>
+ </ul>
+ </div>
+ </div>
+ </div>
+</div>