text: // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
  // OffscreenCanvas test in a worker:2d.drawImage.null
  // 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 offscreenCanvas = new OffscreenCanvas(100, 50);
  var ctx = offscreenCanvas.getContext('2d');
  
  assert_throws_js(TypeError, function() { ctx.drawImage(null, 0, 0); });
  t.done();
  
  });
  done();
  