security.pattern.canvas.timing.cross.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.timing.cross.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->

<title>Canvas test: security.pattern.canvas.timing.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.timing.cross</h1>

<p class="desc">Pattern safety depends on whether the source was origin-clean, not on whether it still is clean</p>

<p class="notes">Disagrees with spec on "is" vs "was"

<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("Pattern safety depends on whether the source was origin-clean, not on whether it still is clean");

_addTest(function(canvas, ctx) {

var canvas2 = document.createElement('canvas');

canvas2.width = 100;

canvas2.height = 50;

var ctx2 = canvas2.getContext('2d');

ctx2.fillStyle = '#0f0';

ctx2.fillRect(0, 0, 100, 50);

var p = ctx.createPattern(canvas2, 'repeat');

ctx2.drawImage(document.getElementById('yellow.png'), 0, 0); // make canvas2 origin-unclean

ctx.fillStyle = p;

ctx.fillRect(0, 0, 100, 50);

canvas.toDataURL();

ctx.getImageData(0, 0, 1, 1);

_assert(true, "true"); // okay if there was no exception

});

</script>

<script src="/common/get-host-info.sub.js"></script>

<script src="data:text/javascript,addCrossOriginYellowImage()"></script>