idbcursor_continue_index3.htm

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This WPT test may be referenced by the following Test IDs:
- /IndexedDB/idbcursor_continue_index3.htm - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>IDBCursor.continue() - index - attempt to iterate to the previous record when the direction is set for the next record </title>

<link rel="author" title="Microsoft" href="http://www.microsoft.com">

<link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#widl-IDBCursor-continue-void-any-key">

<link rel=assert title="The parameter is less than or equal to this cursor's position and this cursor's direction is 'next' or 'nextunique'.">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="resources/support.js"></script>

<script>

    var db,

      t = async_test(),

      records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" },

                  { pKey: "primaryKey_1", iKey: "indexKey_1" } ];

    var open_rq = createdb(t);

    open_rq.onupgradeneeded = function(e) {

        db = e.target.result;

        var objStore = db.createObjectStore("test", {keyPath:"pKey"});

        objStore.createIndex("index", "iKey");

        for (var i = 0; i < records.length; i++)

            objStore.add(records[i]);

};

    open_rq.onsuccess = function(e) {

        var count = 0;

        var cursor_rq = db.transaction("test", "readonly", {durability: 'relaxed'})

                          .objectStore("test")

                          .index("index")

                          .openCursor(undefined, "next"); // XXX: Fx has issue with "undefined"

        cursor_rq.onsuccess = t.step_func(function(e) {

            var cursor = e.target.result;

            if (!cursor) {

                assert_equals(count, 2, "ran number of times");

                t.done();

            // First time checks key equal, second time checks key less than

            assert_throws_dom("DataError",

                function() { cursor.continue(records[0].iKey); });

            cursor.continue();

            count++;

});

};

</script>

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