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| (Empty) |
| 1 <html> | |
| 2 <head> | |
| 3 <script> | |
| 4 function finishTest() | |
| 5 { | |
| 6 if (window.testRunner) | |
| 7 testRunner.notifyDone(); | |
| 8 } | |
| 9 | |
| 10 function log(message) | |
| 11 { | |
| 12 document.getElementById("console").innerHTML += message + "<br>"; | |
| 13 } | |
| 14 | |
| 15 function runTest() | |
| 16 { | |
| 17 if (window.testRunner) { | |
| 18 testRunner.dumpAsText(); | |
| 19 testRunner.waitUntilDone(); | |
| 20 } | |
| 21 | |
| 22 var db = openDatabase("UseSameDatabaseInPageAndWorkers", "", "", 1); | |
| 23 db.transaction(function(tx) { | |
| 24 tx.executeSql("CREATE TABLE IF NOT EXISTS Test(Foo INT)", [], | |
| 25 function(tx, data) { | |
| 26 startWorkers(); | |
| 27 insertData(db); | |
| 28 }, function(tx, error) { | |
| 29 log("Creating table Test failed: " + error.message); | |
| 30 finishTest(); | |
| 31 }); | |
| 32 }); | |
| 33 } | |
| 34 | |
| 35 var successfulTransactions = 0 | |
| 36 var WORKER_COUNT = 3; | |
| 37 function startWorkers() | |
| 38 { | |
| 39 var databaseWorkers = new Array(WORKER_COUNT); | |
| 40 for (var i = 0; i < WORKER_COUNT; i++) { | |
| 41 databaseWorkers[i] = new Worker('resources/use-same-database-in-page-and
-workers.js'); | |
| 42 databaseWorkers[i].onerror = function(event) { | |
| 43 log("Caught an error from a worker: " + event.data); | |
| 44 finishTest(); | |
| 45 } | |
| 46 databaseWorkers[i].onmessage = function(event) { | |
| 47 if (event.data == "transactionSuccessful") | |
| 48 successCallback(); | |
| 49 else | |
| 50 log("Unexpected worker message: " + event.data); | |
| 51 } | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 function successCallback() | |
| 56 { | |
| 57 successfulTransactions++; | |
| 58 if (successfulTransactions == 100 * (WORKER_COUNT + 1)) { | |
| 59 log("PASS"); | |
| 60 finishTest(); | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 function errorCallback(error) | |
| 65 { | |
| 66 log("executeSql failed: " + error.message); | |
| 67 finishTest(); | |
| 68 } | |
| 69 | |
| 70 function insertData(db) | |
| 71 { | |
| 72 for (var i = 0; i < 100; i++) { | |
| 73 db.transaction(function(tx) { | |
| 74 tx.executeSql("INSERT INTO Test VALUES (?)", [i], null, | |
| 75 function(tx, error) { errorCallback(error); }); | |
| 76 }, errorCallback, successCallback); | |
| 77 } | |
| 78 } | |
| 79 </script> | |
| 80 </head> | |
| 81 | |
| 82 <body onload="runTest()"> | |
| 83 Test that we can successfully use the same database in the page and in multiple
workers at the same time. | |
| 84 <pre id="console"> | |
| 85 </pre> | |
| 86 </body> | |
| 87 | |
| 88 </html> | |
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Chromium Code Reviews
Issue 561093003:
Remove worker support of Web SQL Database. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk