2d.canvas.host.readonly.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.canvas.host.readonly

// Description:Canvas objects are readonly

// Note:

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

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

var t = async_test("Canvas objects are readonly");

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 canvas2 = new OffscreenCanvas(100, 50);

  var d = ctx.canvas;

  _assertDifferent(canvas2, d, "canvas2", "d");

  ctx.canvas = canvas2;

  _assertSame(ctx.canvas, d, "ctx.canvas", "d");

  t.done();

});

done();