2d.composite.transparent.copy.worker.js

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/compositing/2d.composite.transparent.copy.worker.html - WPT Dashboard Interop Dashboard

// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.

// OffscreenCanvas test in a worker:2d.composite.transparent.copy

// Description:

// Note:

importScripts("/resources/testharness.js");

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

var t = async_test("");

var t_pass = t.done.bind(t);

var t_fail = t.step_func(function(reason) {

    throw reason;

});

t.step(function() {

  var canvas = new OffscreenCanvas(100, 50);

  var ctx = canvas.getContext('2d');

  ctx.fillStyle = 'rgba(0, 255, 0, 0.5)';

  ctx.fillRect(0, 0, 100, 50);

  ctx.globalCompositeOperation = 'copy';

  ctx.fillStyle = 'rgba(0, 0, 255, 0.75)';

  ctx.fillRect(0, 0, 100, 50);

  _assertPixelApprox(canvas, 50,25, 0,0,255,191, 5);

  t.done();

});

done();