<!DOCTYPE html>
<title>Canvas test: 2d.composite.globalAlpha.canvas</title>
<script src="../tests.js"></script>
<link rel="stylesheet" href="../tests.css">
<body>
<p id="passtext">Pass</p>
<p id="failtext">Fail</p>
<p class="output">These images should be identical:</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="green-100x50.png" class="output expected" id="expected" alt="">
<ul id="d"></ul>
<script>
_addTest(function(canvas, ctx) {

var canvas2 = document.createElement('canvas');
canvas2.width = 100;
canvas2.height = 50;
var ctx2 = canvas2.getContext('2d');
ctx2.fillStyle = '#f00';
ctx2.fillRect(0, 0, 100, 50);

ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.globalAlpha = 0.01; // avoid any potential alpha=0 optimisations
ctx.drawImage(canvas2, 0, 0);
_assertPixelApprox(canvas, 50,25, 2,253,0,255, "50,25", "2,253,0,255", 2);


});
</script>