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<!DOCTYPE html>
<title>IDBCursor.continue() - object store - attempt to iterate to the next record when the direction is set for the previous 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" },
{ pKey: "primaryKey_2" } ];
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 count = 0,
cursor_rq = db.transaction("test")
.objectStore("test")
.openCursor(null, "prev");
cursor_rq.onsuccess = t.step_func(function(e) {
var cursor = e.target.result;
assert_true(cursor != null, "cursor exist");
switch(count) {
case 0:
assert_equals(cursor.value.pKey, records[2].pKey, "first cursor pkey");
cursor.continue(records[1].pKey);
break;
case 1:
assert_equals(cursor.value.pKey, records[1].pKey, "second cursor pkey");
assert_throws("DataError",
function() { cursor.continue(records[2].pKey); });
t.done();
break;
default:
assert_unreached("Unexpected count value: " + count);
}
count++;
});
};
</script>
<div id="log"></div>
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