Content - c2bac7dd811cac570b1ce85f334e75001203ebe2 - 4b29231/IndexedDB/idbcursor_update_objectstore.htm

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Tip revision: abe917f7bffefea2cadd1c3c501d50339f5c2d9c authored by Hallvord R. M. Steen on 12 October 2015, 12:04:22 UTC
Removing some 'popups must be enabled' messages

Tip revision: abe917f

idbcursor_update_objectstore.htm

<!DOCTYPE html>
<title>IDBCursor.update() - objectstore - modify a record in the object store </title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>

<script>

    var db,
      t = async_test(),
      records = [ { pKey: "primaryKey_0" },
                  { pKey: "primaryKey_1" } ];

    var open_rq = createdb(t);
    open_rq.onupgradeneeded = function(e) {
        db = e.target.result;
        var objStore = db.createObjectStore("test", { keyPath: "pKey" });

        for (var i = 0; i < records.length; i++)
            objStore.add(records[i]);

        // XXX: Gecko doesn't like this
        //e.target.transaction.oncomplete = t.step_func(CursorUpdateRecord);
    };

    open_rq.onsuccess = CursorUpdateRecord;


    function CursorUpdateRecord(e) {
        var txn = db.transaction("test", "readwrite"),
          cursor_rq = txn.objectStore("test")
                         .openCursor();
        cursor_rq.onsuccess = t.step_func(function(e) {
            var cursor = e.target.result;

            cursor.value.data = "New information!";
            cursor.update(cursor.value);
        });

        txn.oncomplete = t.step_func(VerifyRecordWasUpdated);
    }


    function VerifyRecordWasUpdated(e) {
        var cursor_rq = db.transaction("test")
                          .objectStore("test")
                          .openCursor();

        cursor_rq.onsuccess = t.step_func(function(e) {
            var cursor = e.target.result;

            assert_equals(cursor.value.data, "New information!");
            t.done();
        });
    }

</script>

<div id="log"></div>

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