security.dataURI.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/the-canvas-element/security.dataURI.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.dataURI</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.dataURI</h1>

<p class="desc">data: URIs do not count as different-origin, and do not taint the canvas</p>

<p class="output">Actual output:</p>

<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">

<ul id="d"></ul>

<script>

var t = async_test("data: URIs do not count as different-origin, and do not taint the canvas");

_addTest(function(canvas, ctx) {

ctx.fillStyle = '#0f0';

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

var data = canvas.toDataURL();

ctx.fillStyle = '#f00';

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

var img = new Image();

deferTest();

img.onload = t.step_func_done(function ()

    ctx.drawImage(img, 0, 0);

    canvas.toDataURL(); // should be permitted

    _assertPixel(canvas, 50,25, 0,255,0,255);

});

img.src = data;

});

</script>