test_clip-path_polygon.html

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<!DOCTYPE html>

<html>

<head>

<style>

body {padding: 0;margin:0;}

div {

  width:  200px;

  height: 200px;

  position: fixed;

  top: 50px;

  left: 50px;

  margin: 50px;

  padding: 50px;

  border: 50px solid red;

  transform-origin: 0 0;

  transform: translate(50px, 50px) scale(0.5);

  background-color: green;

  clip-path: polygon(0 0, 200px 0, 0 200px) content-box;

</style>

<title>clip-path with polygon() hit test</title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<div id="a"></div>

<p style="margin-top: 110px">

<script>

var a = document.getElementById("a");

isnot(a, document.elementFromPoint(199, 199), "a shouldn't be found");

isnot(a, document.elementFromPoint(199, 250), "a shouldn't be found");

isnot(a, document.elementFromPoint(250, 199), "a shouldn't be found");

isnot(a, document.elementFromPoint(255, 255), "a shouldn't be found");

isnot(a, document.elementFromPoint(301, 200), "a shouldn't be found");

isnot(a, document.elementFromPoint(200, 301), "a shouldn't be found");

is(a, document.elementFromPoint(200, 200), "a should be found");

is(a, document.elementFromPoint(299, 200), "a should be found");

is(a, document.elementFromPoint(200, 299), "a should be found");

is(a, document.elementFromPoint(250, 250), "a should be found");

</script>

</html>