text: <!DOCTYPE html>
  <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
  <title>Canvas test: 2d.type.prototype</title>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script src="/html/canvas/resources/canvas-tests.js"></script>
  <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
  <body class="show_output">
  
  <h1>2d.type.prototype</h1>
  <p class="desc">window.CanvasRenderingContext2D.prototype are not [[Writable]] and not [[Configurable]], and its methods are [[Configurable]].</p>
  
  <p class="notes">Defined in "Web IDL" (draft)
  <p class="output">Actual output:</p>
  <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
  
  <ul id="d"></ul>
  <script>
  var t = async_test("window.CanvasRenderingContext2D.prototype are not [[Writable]] and not [[Configurable]], and its methods are [[Configurable]].");
  _addTest(function(canvas, ctx) {
  
  _assert(window.CanvasRenderingContext2D.prototype, "window.CanvasRenderingContext2D.prototype");
  _assert(window.CanvasRenderingContext2D.prototype.fill, "window.CanvasRenderingContext2D.prototype.fill");
  window.CanvasRenderingContext2D.prototype = null;
  _assert(window.CanvasRenderingContext2D.prototype, "window.CanvasRenderingContext2D.prototype");
  delete window.CanvasRenderingContext2D.prototype;
  _assert(window.CanvasRenderingContext2D.prototype, "window.CanvasRenderingContext2D.prototype");
  window.CanvasRenderingContext2D.prototype.fill = 1;
  _assertSame(window.CanvasRenderingContext2D.prototype.fill, 1, "window.CanvasRenderingContext2D.prototype.fill", "1");
  delete window.CanvasRenderingContext2D.prototype.fill;
  _assertSame(window.CanvasRenderingContext2D.prototype.fill, undefined, "window.CanvasRenderingContext2D.prototype.fill", "undefined");
  
  
  });
  </script>
  
  