third_party/WebKit/LayoutTests/fast/canvas/webgl/shader-deleted-by-accessor.html

   1 <html>
   2 <head>
   3 <script src="../../../resources/js-test.js"></script>
   4 <script src="resources/webgl-test.js"></script>
   5 <script src="resources/webgl-test-utils.js"></script>
   6 </head>
   7 <body>
   8 <div id="description"></div>
   9 <div id="console"></div>
  10
  11 <script>
  12
  13 description("Verifies that WebGLRenderingContext::getAttachedShaders doesn't crash when an accessor property is defined on Array.prototype.");
  14
  15 if (window.internals)
  16     window.internals.settings.setWebGLErrorsToConsoleEnabled(false);
  17
  18 context = create3DContext();
  19 program = context.createProgram();
  20
  21 shader1 = context.createShader(context.VERTEX_SHADER);
  22 context.attachShader(program, shader1);
  23
  24 for (var i = 0; i < 10; ++i) {
  25     shader2 = context.createShader(context.FRAGMENT_SHADER);
  26     context.attachShader(program, shader2);
  27
  28     Array.prototype.__defineSetter__(0, function() {
  29         context.detachShader(program, shader2);
  30         context.deleteShader(shader2);
  31         shader2 = null;
  32         gc();
  33     });
  34
  35     shaders = context.getAttachedShaders(program);
  36     context.getShaderParameter(shaders[1], 0);
  37 }
  38 </script>
  39
  40 </body>
  41 </html>
  42