third_party/WebKit/LayoutTests/fast/canvas/webgl/webgl-error-response.html

   1 <!-- This is a test for crbug.com/412440, tests meaningful information in
   2 WebGL context creation error message. -->
   3 <script src="../../../resources/js-test.js"></script>
   4 <canvas id="webgl-canvas" width="200" height="200" class="nomargin"></canvas>
   5 <script>
   6 function main()
   7 {
   8   if (!window.testRunner) {
   9     testFailed("Requires window.testRunner");
  10   } else {
  11     initTest();
  12   }
  13 }
  14
  15 function initTest() {
  16   var canvas = document.getElementById("webgl-canvas");
  17   testRunner.forceNextWebGLContextCreationToFail();
  18   canvas.addEventListener("webglcontextcreationerror", onContextCreationError, false);
  19   var gl = canvas.getContext("webgl");
  20   testRunner.dumpAsText();
  21 }
  22
  23 function onContextCreationError(e) {
  24   var splitStatus = e.statusMessage.split(",");
  25   var stringLocator = 1;
  26   var status = true;
  27   // Start iterating from 1 as , the initial message has no data.
  28   for (var i = 1; i < splitStatus.length; i++) {
  29     var gpuInfoStr = splitStatus[i].split(" = ");
  30     if (gpuInfoStr[stringLocator] == "")
  31       status = false;
  32   }
  33   if(status)
  34     testPassed("Status message displayed for webglcontextcreationerror");
  35   else
  36     testFailed("Context creation error test failed");
  37 }
  38 main();
  39 </script>