gecko-dev/testing/web-platform/tests/IndexedDB/idbcursor_continue_index.htm

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<!DOCTYPE html>
<title>IDBCursor.continue() - index - iterate to 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="Otherwise this method runs the steps for asynchronously executing a request.">
<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_1-2", 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 cursor_rq = db.transaction("test")
.objectStore("test")
.index("index")
.openCursor();
cursor_rq.onsuccess = t.step_func(function(e) {
var cursor = e.target.result;
if (!cursor) {
assert_equals(count, records.length, "cursor run count");
t.done();
}
var record = cursor.value;
assert_equals(record.pKey, records[count].pKey, "primary key");
assert_equals(record.iKey, records[count].iKey, "index key");
cursor.continue();
count++;
});
};
</script>
<div id="log"></div>