| <html> |
| <head> |
| <script src='resources/worker-util.js'></script> |
| <script> |
| var workersStarted; |
| var workersClosed; |
| |
| var testNumber = -1; |
| var syncOperationTests = new Array('openDatabaseSync', 'requestFileSystemSync', 'fileSyncOperations'); |
| |
| // 30 workers seemed to cause the crash to happen frequently. |
| var workers = new Array(30); |
| |
| function startNextTest() |
| { |
| testNumber++; |
| log('Waiting for all workers to exit.'); |
| if (testNumber >= syncOperationTests.length) { |
| waitUntilWorkerThreadsExit(done) |
| return; |
| } |
| waitUntilWorkerThreadsExit(startWorkers) |
| } |
| |
| function startWorkers() |
| { |
| log('Testing interrupting: ' + syncOperationTests[testNumber]); |
| log('Starting workers.'); |
| workersStarted = 0; |
| workersClosed = 0; |
| for (var i = 0; i < workers.length; ++i) { |
| workers[i] = new Worker('resources/sync-operations.js?arg=' + i) |
| workers[i].onmessage = onWorkerStarted; |
| } |
| } |
| |
| // Do our best to try to interrupt the database open |
| // call by waiting for the worker to start and then |
| // telling it to do the open database call (and |
| // then terminate the worker). |
| function onWorkerStarted() |
| { |
| workersStarted++; |
| log('Started worker count: ' + workersStarted); |
| if (workersStarted < workers.length) |
| return; |
| |
| log('Running operation.'); |
| for (var i = 0; i < workers.length; ++i) |
| workers[i].postMessage(syncOperationTests[testNumber]); |
| |
| setTimeout('closeWorker()', 0); |
| } |
| |
| function closeWorker() |
| { |
| workers[workersClosed].terminate(); |
| workersClosed++; |
| log('Closed worker count: ' + workersClosed); |
| if (workersClosed < workers.length) |
| setTimeout('closeWorker()', 3); |
| else |
| startNextTest(); |
| } |
| |
| function runTest() |
| { |
| log('Starting test run.'); |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| startNextTest(); |
| } |
| </script> |
| </head> |
| <body onload='runTest()'> |
| <p>Test that terminating the worker while it is performing synchronous file or database operations will not cause any crashes, asserts, etc.</p> |
| <div id='result'> |
| </div> |
| </body> |
| </html> |
