third_party/web_platform_tests/2dcontext/shadows/2d.shadow.alpha.3.html

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>Canvas test: 2d.shadow.alpha.3</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/canvas-tests.js"></script>
<link rel="stylesheet" href="/common/canvas-tests.css">
<body class="show_output">

<h1>2d.shadow.alpha.3</h1>
<p class="desc">Shadows are affected by globalAlpha</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="2d.shadow.alpha.3.png" class="output expected" id="expected" alt="">
<ul id="d"></ul>
<script>
var t = async_test("Shadows are affected by globalAlpha");
_addTest(function(canvas, ctx) {

ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00'; // (work around broken Firefox globalAlpha caching)
ctx.shadowColor = '#00f';
ctx.shadowOffsetY = 50;
ctx.globalAlpha = 0.5;
ctx.fillRect(0, -50, 100, 50);

_assertPixelApprox(canvas, 50,25, 127,0,127,255, "50,25", "127,0,127,255", 2);


});
</script>