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<!DOCTYPE html>
<title>IDBCursor.continue() - index - iterate using 'prevunique'</title>
<link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
<link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#cursor-iteration-operation">
<link rel=assert title='If direction is "prevunique", let temp record be the last record in records which satisfy all of the following requirements:'>
<link rel=assert title="If position is defined, the record's key is less than position.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>
var db,
t = async_test(document.title, {timeout: 10000}),
records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" },
{ pKey: "primaryKey_1", iKey: "indexKey_1" },
{ pKey: "primaryKey_1-2", iKey: "indexKey_1" },
{ pKey: "primaryKey_2", iKey: "indexKey_2" } ],
expected = [ { pKey: "primaryKey_2", iKey: "indexKey_2" },
{ pKey: "primaryKey_1", iKey: "indexKey_1" },
{ pKey: "primaryKey_0", iKey: "indexKey_0" } ];
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 count = 0,
cursor_rq = db.transaction("test")
.objectStore("test")
.index("index")
.openCursor(undefined, 'prevunique');
cursor_rq.onsuccess = t.step_func(function(e) {
if (!e.target.result) {
assert_equals(count, expected.length, 'count');
t.done();
return;
}
var cursor = e.target.result,
record = cursor.value;
assert_equals(record.pKey, expected[count].pKey, "pKey #" + count);
assert_equals(record.iKey, expected[count].iKey, "iKey #" + count);
assert_equals(cursor.key, expected[count].iKey, "cursor.key #" + count);
assert_equals(cursor.primaryKey, expected[count].pKey, "cursor.primaryKey #" + count);
count++;
cursor.continue(expected[count] ? expected[count].iKey : undefined);
});
};
</script>
<div id="log"></div>
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