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<!DOCTYPE html>
<title>IDBCursor.advance() - index - iterate cursor number of times specified by count </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,
count = 0,
t = async_test(),
records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" },
{ pKey: "primaryKey_1", iKey: "indexKey_1" },
{ pKey: "primaryKey_2", iKey: "indexKey_2" },
{ pKey: "primaryKey_3", iKey: "indexKey_3" }];
var open_rq = createdb(t);
open_rq.onupgradeneeded = function(e) {
db = e.target.result;
var store = db.createObjectStore("test", {keyPath:"pKey"});
store.createIndex("idx", "iKey");
for(var i = 0; i < records.length; i++) {
store.add(records[i]);
}
};
open_rq.onsuccess = function (e) {
var cursor_rq = db.transaction("test")
.objectStore("test")
.index("idx")
.openCursor();
cursor_rq.onsuccess = t.step_func(function(e) {
var cursor = e.target.result;
assert_true(cursor instanceof IDBCursor);
switch(count) {
case 0:
count += 3;
cursor.advance(3);
break;
case 3:
var record = cursor.value;
assert_equals(record.pKey, records[count].pKey, "record.pKey");
assert_equals(record.iKey, records[count].iKey, "record.iKey");
t.done();
break;
default:
assert_unreached("unexpected count");
break;
}
});
}
</script>
<div id=log></div>
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