open-database-set-empty-version.html - Android社区

<html>
<head>
<script>
function runTest() {
    if (window.layoutTestController) {
        layoutTestController.dumpAsText();
        layoutTestController.clearAllDatabases();
    }
    
    try {    
        var db = openDatabase('28417Test', '', 'Test for bug 28417: openDatabase() with empty version sets db version up incorrectly', 0);
        // The next openDatabase call should fail because the database version was set to '' by the call above, and now we are expecting a different version.
        var db2 = openDatabase('28417Test', 'test', 'Test for bug 28417: openDatabase() with empty version sets db version up incorrectly', 0);
    } catch (e) {
        document.getElementById('result').innerHTML = 'SUCCESS, an exception was thrown. ' + e;
    }
}
</script>
</head>
<body onload="runTest()">
<div>This tests that calling openDatabase with an empty version string sets the current version of that database to the empty string and subsequent attempts to open the database with a different expected version throw an exception.</div>
<div id="result">
FAILURE - an exception was expected.
</div>
</body>
</html>