third_party/web_platform_tests/IndexedDB/idbindex_getKey2.htm

<!DOCTYPE html>
<meta charset="utf-8">
<title>IDBIndex.getKey() - returns the record's primary key where the index contains duplicate values </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 = [ { key:1, indexedProperty:"data" },
                  { key:2, indexedProperty:"data" },
                  { key:3, indexedProperty:"data" } ];

    var open_rq = createdb(t);
    open_rq.onupgradeneeded = function(e) {
        db = e.target.result;
        var objStore = db.createObjectStore("test", { keyPath: "key" });
        objStore.createIndex("index", "indexedProperty");

        for (var i = 0; i < records.length; i++)
            objStore.add(records[i]);
    };

    open_rq.onsuccess = function(e) {
        var rq = db.transaction("test")
                   .objectStore("test")
                   .index("index")
                   .getKey("data");

        rq.onsuccess = t.step_func(function(e) {
            assert_equals(e.target.result, records[0].key);
            t.done();
        });
    };
</script>

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