transaction-read-only.html - Android社区 - https://www.androidos.net.cn/

<html>
<head>
<link rel="stylesheet" href="../../fast/js/resources/js-test-style.css">
<script src="../../fast/js/resources/js-test-pre.js"></script>
<script src="../../fast/js/resources/js-test-post-function.js"></script>
<script src="resources/shared.js"></script>
</head>
<body>
<p id="description"></p>
<div id="console"></div>
<script>

description("Test read-only transactions in IndexedDB.");
if (window.layoutTestController)
    layoutTestController.waitUntilDone();

function test()
{
    shouldBeTrue("'webkitIndexedDB' in window");
    shouldBeFalse("webkitIndexedDB == null");

    request = evalAndLog("webkitIndexedDB.open('transaction-read-only')");
    request.onsuccess = openSuccess;
    request.onerror = unexpectedErrorCallback;
}

function openSuccess()
{
    debug("openSuccess():");
    window.db = evalAndLog("db = event.target.result");
    request = evalAndLog("result = db.setVersion('version 1')");
    request.onsuccess = cleanDatabase;
    request.onerror = unexpectedErrorCallback;
}

function cleanDatabase()
{
    deleteAllObjectStores(db);

    event.target.result.oncomplete = setVersionDone;
    event.target.result.onabort = unexpectedAbortCallback;
    store = evalAndLog("store = db.createObjectStore('store')");
    evalAndLog("store.put('x', 'y')");
}

function setVersionDone()
{
    trans = evalAndLog("trans = db.transaction()");
    evalAndExpectException("trans.objectStore('store').put('a', 'b')", "webkitIDBDatabaseException.READ_ONLY_ERR");

    trans = evalAndLog("trans = db.transaction()");
    evalAndExpectException("trans.objectStore('store').delete('x')", "webkitIDBDatabaseException.READ_ONLY_ERR");

    trans = evalAndLog("trans = db.transaction()");
    cur = evalAndLog("cur = trans.objectStore('store').openCursor()");
    cur.onsuccess = gotCursor;
    cur.onerror = unexpectedErrorCallback;
}

function gotCursor()
{
    shouldBeFalse("!event.target.result");
    evalAndExpectException("event.target.result.delete()", "webkitIDBDatabaseException.READ_ONLY_ERR");

    done();
}

var successfullyParsed = true;

test();

</script>
</body>
</html>