Content - 357dc157f35f707840bb1826f7bb069f85fe940d - bc06d85/IndexedDB/idbcursor_continue_index3.htm

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Tip revision: ee77ceced2790d1ab350b2fefc63d9d97c9205b0 authored by Marcos Cáceres on 21 November 2018, 07:58:49 UTC
Bug fixes

Tip revision: ee77cec

idbcursor_continue_index3.htm

<!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="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")
                          .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("DataError",
                function() { cursor.continue(records[0].iKey); });

            cursor.continue();

            count++;
        });
    };

</script>

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

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