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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <script src="../fast/js/resources/js-test-pre.js"></script> |
| 5 </head> |
| 6 <body> |
| 7 <p id="description"></p> |
| 8 <div id="console"></div> |
| 9 |
| 10 <script> |
| 11 description("Tests concurrent calls to crypto.randomValues from workers."); |
| 12 |
| 13 // Generate random values from different 10 workers, and wait until they |
| 14 // have all finished. |
| 15 var randomValues = {}; |
| 16 var numRandomValues = 0; |
| 17 var NUM_WORKERS = 10; |
| 18 |
| 19 self.jsTestIsAsync = true; |
| 20 |
| 21 // Asserts that each call to receivedRandomValue() contains unique bytes. |
| 22 // The bytes are 100 randomly generated, and as such have an extremely low |
| 23 // probability of matching each other. |
| 24 function workerGeneratedRandomBytes(bytes) |
| 25 { |
| 26 if (bytes.length != 100) |
| 27 throw "bytes is not the right length: " + bytes.length; |
| 28 |
| 29 var bytesStr = Array.prototype.join.call(bytes, ''); |
| 30 |
| 31 if (bytesStr in randomValues) |
| 32 debug("Generated a duplicate 'random' number: " + bytesStr); |
| 33 else |
| 34 debug("Received random bytes from worker"); |
| 35 |
| 36 randomValues[bytesStr] = true; |
| 37 |
| 38 if (++numRandomValues == NUM_WORKERS) |
| 39 finishJSTest(); |
| 40 } |
| 41 |
| 42 for (var i = 0; i < NUM_WORKERS; ++i) { |
| 43 var worker = new Worker('resources/random-values-concurrent.js'); |
| 44 worker.onmessage = function(event) |
| 45 { |
| 46 if (event.data instanceof Uint8Array) |
| 47 workerGeneratedRandomBytes(event.data); |
| 48 else |
| 49 debug('[Worker] ' + event.data); |
| 50 } |
| 51 worker.onerror = function(event) |
| 52 { |
| 53 debug('Got error from worker: ' + event.message); |
| 54 finishJSTest(); |
| 55 } |
| 56 } |
| 57 </script> |
| 58 |
| 59 <script src="../fast/js/resources/js-test-post.js"></script> |
| 60 </body> |
| 61 </html> |
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Chromium Code Reviews
Issue 16820007:
Expose crypto.getRandomValues() to workers. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk