82 lines
2.8 KiB
JavaScript
82 lines
2.8 KiB
JavaScript
function terminateTest()
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{
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if (window.testRunner)
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testRunner.notifyDone();
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}
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function openTestDatabase()
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{
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return openDatabaseWithSuffix("ReadAndWriteTransactionsDontRunTogetherTest",
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"1.0",
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"Test to make sure that read and write transactions on different DB handles to the same DB don't run at the same time.",
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32768);
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}
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var readTransactionsInProgress = 0;
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var writeTransactionsInProgress = 0;
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var totalTransactions = 0;
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var finishedTransactions = 0;
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function runTransaction(db, readOnly)
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{
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var transactionFunction = (readOnly ? db.readTransaction : db.transaction);
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transactionFunction.call(db, function(tx) {
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if (readOnly) {
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if (writeTransactionsInProgress != 0) {
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log("Read transaction starting while write transaction in progress.");
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terminateTest();
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}
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readTransactionsInProgress++;
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} else {
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if ((readTransactionsInProgress != 0) || (writeTransactionsInProgress != 0)) {
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log("Write transaction starting while another transaction in progress.");
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terminateTest();
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}
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writeTransactionsInProgress++;
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}
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tx.executeSql("SELECT * FROM Test;");
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}, function(error) {
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log((readOnly ? "Read" : "Write") + " transaction failed: " + error.message);
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terminateTest();
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}, function() {
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finishedTransactions++;
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if (readOnly)
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readTransactionsInProgress--;
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else
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writeTransactionsInProgress--;
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log("Transaction successful.");
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if ((finishedTransactions == totalTransactions) && (readTransactionsInProgress == 0) && (writeTransactionsInProgress == 0))
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terminateTest();
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});
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}
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function runReadAndWriteTransactions(db1, db2, db3)
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{
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totalTransactions = 10;
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finishedTransactions = 0;
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runTransaction(db1, true);
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runTransaction(db2, true);
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runTransaction(db1, false);
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runTransaction(db1, true);
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runTransaction(db2, true);
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runTransaction(db3, true);
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runTransaction(db1, false);
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runTransaction(db2, false);
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runTransaction(db1, true);
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runTransaction(db3, true);
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}
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function runTest() {
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var db1 = openTestDatabase();
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var db2 = openTestDatabase();
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var db3 = openTestDatabase();
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db1.transaction(function(tx) {
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tx.executeSql("CREATE TABLE IF NOT EXISTS Test (Foo int);");
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}, function(error) {
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log("Cannot create the Test table: " + error.message);
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terminateTest();
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}, function() {
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runReadAndWriteTransactions(db1, db2, db3);
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});
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}
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