idbcursor_continue_objectstore3.htm
<!DOCTYPE html>
<title>IDBCursor.continue() - object store - 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">
<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]);
};
open_rq.onsuccess = function(e) {
var cursor_rq = db.transaction("test")
.objectStore("test")
.openCursor(undefined, "next");
cursor_rq.onsuccess = t.step_func(function(e) {
var cursor = e.target.result;
assert_true(cursor instanceof IDBCursor, "cursor exist");
assert_throws("DataError",
function() { cursor.continue(records[0].pKey); });
t.done();
});
};
</script>
<div id="log"> </div>