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26 December 2018, 22:31:15 UTC
Revision c050814c692c5e59194d4bf5b5d20f1bbf92397f authored by Simon Pieters on 19 December 2016, 13:33:32 UTC, committed by Simon Pieters on 19 December 2016, 13:33:32 UTC 
Test that the snapshotting happens at document creation time
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Tip revision: c050814c692c5e59194d4bf5b5d20f1bbf92397f authored by Simon Pieters on 19 December 2016, 13:33:32 UTC
Test that the snapshotting happens at document creation time
Tip revision: c050814
2d.composite.uncovered.nocontext.destination-atop.worker.js 
// DO NOT EDIT! This test has been generated by tools/gentest.py.
// OffscreenCanvas test in a worker:2d.composite.uncovered.nocontext.destination-atop
// Description:drawImage() of a canvas with no context draws pixels as (0,0,0,0), and does not leave the pixels unchanged.
// Note:

importScripts("/resources/testharness.js");
importScripts("/common/canvas-tests.js");

var t = async_test("drawImage() of a canvas with no context draws pixels as (0,0,0,0), and does not leave the pixels unchanged.");
t.step(function() {

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


ctx.fillStyle = 'rgba(0, 255, 255, 0.5)';
ctx.fillRect(0, 0, 100, 50);
ctx.globalCompositeOperation = 'destination-atop';
var offscreenCanvas2 = new OffscreenCanvas(100, 50);
ctx.drawImage(offscreenCanvas2, 0, 0);
_assertPixelApprox(offscreenCanvas, 50,25, 0,0,0,0, "50,25", "0,0,0,0", 5);

t.done();

});
done();
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