third_party/WebKit/LayoutTests/fast/canvas/webgl/array-get-out-of-bounds.html

   1 <html>
   2 <head>
   3 <script src="../../../resources/js-test.js"></script>
   4 <script src="resources/webgl-test.js"></script>
   5 </head>
   6 <body>
   7 <div id="description"></div>
   8 <div id="console"></div>
   9
  10 <script>
  11
  12 description("Verifies that calling the indexing operator on WebGLArrays with out-of-range indices returns undefined.");
  13
  14 debug('Regression test for <a href="https://bugs.webkit.org/show_bug.cgi?id=38039">https://bugs.webkit.org/show_bug.cgi?id=38039</a>');
  15
  16 // Global scope so shouldThrow can see it
  17 var webGLArray;
  18
  19 function testGetWithOutOfRangeIndices(typeName) {
  20     var type = window[typeName];
  21     webGLArray = new type([2, 3]);
  22     shouldBeUndefined("webGLArray[2]");
  23     shouldBeUndefined("webGLArray[-1]");
  24     shouldBeUndefined("webGLArray[0x20000000]");
  25 }
  26
  27 testGetWithOutOfRangeIndices("Int8Array");
  28 testGetWithOutOfRangeIndices("Uint8Array");
  29 testGetWithOutOfRangeIndices("Int16Array");
  30 testGetWithOutOfRangeIndices("Uint16Array");
  31 testGetWithOutOfRangeIndices("Int32Array");
  32 testGetWithOutOfRangeIndices("Uint32Array");
  33 testGetWithOutOfRangeIndices("Float32Array");
  34
  35 </script>
  36
  37 </body>
  38 </html>