<html>
<head>
<title>Test database.changeVersion</title>
<script>
var db1;
var EXPECTED_VERSION_AFTER_HIXIE_TEST = '2';
var EXPECTED_VERSION_AFTER_RELOAD = '3';
function emptyFunction() { }
function changeVersionCallback(tx)
{
tx.executeSql("DROP table if exists info;", [], emptyFunction, emptyFunction);
tx.executeSql("CREATE table if not exists info (version INTEGER);", [], emptyFunction, emptyFunction);
tx.executeSql("INSERT into info values(?);", [EXPECTED_VERSION_AFTER_RELOAD], emptyFunction, emptyFunction);
}
function changeVersionSuccess()
{
log("Successfully changed version to " + db1.version + ". Reloading.");
window.location.href = window.location + '?2';
}
function changeVersionError(error)
{
log("Error: " + error.message);
finishTest();
}
function finishTest()
{
if (window.layoutTestController)
layoutTestController.notifyDone();
log("TEST COMPLETE");
}
function log(message)
{
document.getElementById("console").innerText += message + "\n";
}
function runTest()
{
if (window.location.search == "?2") {
db1 = window.openDatabase("changeversion-test", "", "Test for the database.changeVersion() function", 1024);
log("Finished tests with version " + db1.version + "; expected version: " + EXPECTED_VERSION_AFTER_RELOAD);
// Reset the DB version or the next run might fail.
db1.changeVersion(db1.version, "1");
finishTest();
} else
testPart1();
}
function testPart1() {
if (window.layoutTestController) {
layoutTestController.clearAllDatabases();
layoutTestController.dumpAsText();
layoutTestController.waitUntilDone();
}
db1 = window.openDatabase("changeversion-test", "1", "Test for the database.changeVersion() function", 1024);
var db2 = window.openDatabase("changeversion-test", "1", "Test for the database.changeVersion() function", 1024);
// First run Hixie's test to ensure basic changeVersion functionality works (see bug 28418).
db1.changeVersion("1", EXPECTED_VERSION_AFTER_HIXIE_TEST, null, function (e) {
log("FAIL in changeVersion:" + e);
finishTest();
}, function () {
// Make sure the version change has propagated to db2 too.
// All transactions on db2 should fail.
if (db2.version != db1.version) {
log("FAIL: changing db1's version (" + db1.version + ") did not change db2's version (" + db2.version + ") as expected.");
finishTest();
}
db2.transaction(function(tx) {
tx.executeSql("CREATE TABLE IF NOT EXISTS Test (Foo INT)");
}, function(error) { }, function() {
log("FAIL: The DB version changed, all transactions on db2 should fail.");
finishTest();
});
// Make sure any new handle to the same DB sees the new version
try {
var db3 = openDatabase("change-version-test", EXPECTED_VERSION_AFTER_HIXIE_TEST, "", 0);
} catch (e) {
log("FAIL in openDatabase: " + e);
finishTest();
}
if (db1.version != db3.version) {
log("FAIL: db.version(" + db1.version + ") does not match db3.version(" + db3.version +")");
finishTest();
}
// Now try a test to ensure the version persists after reloading (see bug 27836)
db1.changeVersion(EXPECTED_VERSION_AFTER_HIXIE_TEST, EXPECTED_VERSION_AFTER_RELOAD, changeVersionCallback, changeVersionError, changeVersionSuccess);
});
}
</script>
</head>
<body onload="runTest();">
This test verifies that the JS database.changeVersion() function works as expected.
<pre id="console"></pre>
</body>
</html>