dom/canvas/test/webgl-mochitest/test_webgl_request_mismatch.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4 <script src="/tests/SimpleTest/SimpleTest.js"></script>
   5 <link rel="stylesheet" href="/tests/SimpleTest/test.css">
   6 </head>
   7 <body>
   8 <script>
   9
  10 WEBGL_TYPES = {};
  11 WEBGL_TYPES['experimental-webgl'] = true;
  12 WEBGL_TYPES.webgl = true;
  13
  14 function AreBothIn(a, b, set) {
  15     return (a in set) && (b in set);
  16 }
  17
  18 function IsAlias(typeA, typeB) {
  19     if (typeA == typeB)
  20         return true;
  21
  22     if (AreBothIn(typeA, typeB, WEBGL_TYPES))
  23         return true;
  24
  25     return false;
  26 }
  27
  28 function TestContextRetrieval(creationType, requestType, functionalTypeSet) {
  29     var canvas = document.createElement('canvas');
  30     var createdGL = canvas.getContext(creationType);
  31
  32     var didCreationSucceed = (createdGL != null);
  33     if (creationType in functionalTypeSet) {
  34         ok(createdGL, 'Context creation should succeed for type \'' +
  35                       creationType + '\'');
  36     } else {
  37         ok(!createdGL, 'Context creation should fail for type \'' +
  38                        creationType + '\'');
  39         return;
  40     }
  41
  42     var requestedGL = canvas.getContext(requestType);
  43
  44     if (requestType in functionalTypeSet &&
  45         IsAlias(creationType, requestType))
  46     {
  47         ok(requestedGL, 'Request for \'' + requestType + '\' from \'' +
  48                         creationType + '\' should succeed.');
  49         ok(requestedGL == createdGL, 'Request for \'' + requestType +
  50                                      '\' from \'' + creationType +
  51                                      '\' should match.');
  52     } else {
  53         ok(!requestedGL, 'Request for \'' + requestType + '\' from \'' +
  54                          creationType + '\' should fail.');
  55     }
  56 }
  57
  58 function IsWebGLFunctional() {
  59     var canvas = document.createElement('canvas');
  60     return canvas.getContext('experimental-webgl') != null;
  61 }
  62
  63 function IsWebGLConformant() {
  64     var canvas = document.createElement('canvas');
  65     return canvas.getContext('webgl') != null;
  66 }
  67
  68 var typeList = ['2d', 'experimental-webgl', 'webgl'];
  69 var functionalTypeSet = {};
  70 functionalTypeSet['2d'] = true;
  71
  72 if (IsWebGLFunctional())
  73     functionalTypeSet['experimental-webgl'] = true;
  74
  75 if (IsWebGLConformant())
  76     functionalTypeSet.webgl = true;
  77
  78 for (var i in typeList) {
  79     var creationType = typeList[i];
  80
  81     for (var j in typeList) {
  82         var requestType = typeList[j];
  83
  84         TestContextRetrieval(creationType, requestType, functionalTypeSet);
  85     }
  86 }
  87
  88 </script>
  89 </body>
  90 </html>