testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.undefined.worker.js


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// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
// OffscreenCanvas test in a worker:2d.imageData.object.undefined
// Description:ImageData.data converts undefined to 0
// Note:

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

var t = async_test("ImageData.data converts undefined to 0");
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');

  var imgdata = ctx.getImageData(0, 0, 10, 10);
  imgdata.data[0] = 100;
  imgdata.data[0] = undefined;
  _assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0");
  t.done();
});
done();