tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_webgl_request_mismatch.html (2446B)

      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>