third_party/WebKit/LayoutTests/fast/canvas/webgl/array-large-array-tests.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <meta charset="utf-8">
   5 <script src="../../../resources/js-test.js"></script>
   6 <script src="resources/webgl-test.js"></script>
   7 <script src="resources/typed-array-test-cases.js"></script>
   8 </head>
   9 <body>
  10 <div id="description"></div>
  11 <div id="console"></div>
  12
  13 <script>
  14 description("Verifies allocation of large array buffers");
  15
  16 var currentlyRunning = '';
  17 var allPassed = true;
  18 function running(str) {
  19   currentlyRunning = str;
  20 }
  21
  22 function output(str) {
  23   debug(str);
  24 }
  25
  26 function pass() {
  27   testPassed(currentlyRunning);
  28 }
  29
  30 function fail(str) {
  31   allPassed = false;
  32   var exc;
  33   if (str)
  34     exc = currentlyRunning + ': ' + str;
  35   else
  36     exc = currentlyRunning;
  37   testFailed(exc);
  38 }
  39
  40 function assertEq(prefix, expected, val) {
  41   if (expected != val) {
  42     var str = prefix + ': expected ' + expected + ', got ' + val;
  43     throw str;
  44   }
  45 }
  46
  47 function assert(prefix, expected) {
  48   if (!expected) {
  49     var str = prefix + ': expected value / true';
  50     throw str;
  51   }
  52 }
  53
  54 function printSummary() {
  55   if (allPassed) {
  56     debug("Test passed.");
  57   } else {
  58     debug("TEST FAILED");
  59   }
  60 }
  61
  62
  63 function testConstructionOfHugeArray(type, name, sz) {
  64     if (sz == 1)
  65         return;
  66     try {
  67         // Construction of huge arrays must fail because byteLength is
  68         // an unsigned long
  69         array = new type(3000000000);
  70         testFailed("Construction of huge " + name + " should throw exception");
  71     } catch (e) {
  72         testPassed("Construction of huge " + name + " threw exception");
  73     }
  74 }
  75
  76 function runTests() {
  77   allPassed = true;
  78
  79   for (var i = 0; i < testCases.length; i++) {
  80     var testCase = testCases[i];
  81     running(testCase.name);
  82     if (!(testCase.name in window)) {
  83         fail("does not exist");
  84         continue;
  85     }
  86     var type = window[testCase.name];
  87     var name = testCase.name;
  88     testConstructionOfHugeArray(type, name, testCase.elementSizeInBytes);
  89   }
  90 }
  91
  92 runTests();
  93 var successfullyParsed = true;
  94
  95 </script>
  96
  97 </body>
  98 </html>
  99