1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
2 // OffscreenCanvas test in a worker:2d.composite.transparent.source-out
6 importScripts("/resources/testharness.js");
7 importScripts("/html/canvas/resources/canvas-tests.js");
9 var t = async_test("");
10 var t_pass = t.done.bind(t);
11 var t_fail = t.step_func(function(reason) {
16 var canvas = new OffscreenCanvas(100, 50);
17 var ctx = canvas.getContext('2d');
20 ctx.fillStyle = 'rgba(0, 255, 0, 0.5)';
21 ctx.fillRect(0, 0, 100, 50);
22 ctx.globalCompositeOperation = 'source-out';
23 ctx.fillStyle = 'rgba(0, 0, 255, 0.75)';
24 ctx.fillRect(0, 0, 100, 50);
25 _assertPixelApprox(canvas, 50,25, 0,0,255,96, 5);