<!DOCTYPE html>
<meta charset="utf-8">
<title>IDBCursor.advance() - object store - throw InvalidStateError caused by object store been deleted</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<div id="log"></div>
<script>
    var db,
        t = async_test(),
        records = [{ pKey: "primaryKey_0"},
                   { pKey: "primaryKey_1"}];

    var open_rq = createdb(t);
    open_rq.onupgradeneeded = function (event) {
        db = event.target.result;
        var objStore = db.createObjectStore("store", {keyPath:"pKey"});
        for (var i = 0; i < records.length; i++) {
            objStore.add(records[i]);
        }
        var rq = objStore.openCursor();
        rq.onsuccess = t.step_func(function(event) {
            var cursor = event.target.result;
            assert_true(cursor instanceof IDBCursor, "cursor exist");

            db.deleteObjectStore("store");
            assert_throws("InvalidStateError", function() {
                cursor.advance(1);
            }, "If the cursor's source or effective object store has been deleted, the implementation MUST throw a DOMException of type InvalidStateError");

            t.done();
        });
    }
</script>