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Test Info:

  • This WPT test may be referenced by the following Test IDs:
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>Canvas test: security.pattern.canvas.strokeStyle.cross</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
<body class="show_output">
<h1>security.pattern.canvas.strokeStyle.cross</h1>
<p class="desc">Setting strokeStyle to a pattern of an unclean canvas makes the canvas origin-unclean</p>
<p class="output">Actual output:</p>
<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<ul id="d"></ul>
<script>
var t = async_test("Setting strokeStyle to a pattern of an unclean canvas makes the canvas origin-unclean");
_addTest(function(canvas, ctx) {
var canvas2 = document.createElement('canvas');
canvas2.width = 100;
canvas2.height = 50;
var ctx2 = canvas2.getContext('2d');
ctx2.drawImage(document.getElementById('yellow.png'), 0, 0);
var p = ctx.createPattern(canvas2, 'repeat');
ctx.strokeStyle = p;
ctx.strokeStyle = 'red';
assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
});
</script>
<script src="/common/get-host-info.sub.js"></script>
<script src="data:text/javascript,addCrossOriginYellowImage()"></script>