third_party/WebKit/LayoutTests/crypto/subtle/abandon-crypto-operation2.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../../resources/js-test.js"></script>
   5 <script src="resources/common.js"></script>
   6 </head>
   7 <body>
   8 <p id="description"></p>
   9 <div id="console"></div>
  10
  11 <script>
  12     description("Tests cancelling of crypto operations when the context is destroyed.");
  13
  14     // Start a worker thread which starts a LOT of expensive
  15     // webcrypto operations (generating RSA keys).
  16     //
  17     // Now from the main page try to generate an AES key.
  18     //
  19     // Lastly, the web worker closes itself. This should have the
  20     // effect of aborting all of the web crypto operations it had
  21     // started, and now the AES key generation will be able to complete.
  22     //
  23     // If the crypto tasks started by the web worker are NOT
  24     // cancelled (and are merely orphaned), then the test is going to
  25     // timeout.
  26     jsTestIsAsync = true;
  27
  28     function startWorker() {
  29         return new Promise(function(resolve, reject) {
  30             var worker = new Worker("resources/worker-start-slow-operations.js");
  31             worker.onmessage = function(event)
  32             {
  33                 debug(event.data);
  34                 resolve();
  35             };
  36             worker.onerror = function(error)
  37             {
  38                 debug(error.filename + ':' + error.lineno + ': ' + error.message);
  39                 reject('worker failed');
  40             }
  41         });
  42     }
  43
  44     function generateTestKey() {
  45         var algorithm = {name: "AES-CBC", length: 128};
  46         return crypto.subtle.generateKey(algorithm, true, ['encrypt']).then(function() {
  47             debug('Successfully generated AES-CBC key');
  48         });
  49     }
  50
  51     startWorker().then(generateTestKey).then(finishJSTest, failAndFinishJSTest);
  52 </script>
  53 </body>
  54 </html>