<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.imageData.put.alpha</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/canvas-tests.js"></script>

<h1>2d.imageData.put.alpha</h1>
<p class="desc">putImageData() puts non-solid image data correctly</p>


<script>
var t = async_test("putImageData() puts non-solid image data correctly");
t.step(function() {

var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');

ctx.fillStyle = 'rgba(0, 255, 0, 0.25)';
ctx.fillRect(0, 0, 100, 50)
var imgdata = ctx.getImageData(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50)
ctx.putImageData(imgdata, 0, 0);
_assertPixelApprox(offscreenCanvas, 50,25, 0,255,0,64, "50,25", "0,255,0,64", 2);

t.done();

});
</script>