third_party/web_platform_tests/IndexedDB/idbobjectstore_delete4.htm

<!DOCTYPE html>
<meta charset="utf-8">
<title>IDBObjectStore.delete() - delete removes record (out-of-line keys) </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(),
      key = 1,
      record = { property: "data" };

    var open_rq = createdb(t);
    open_rq.onupgradeneeded = function(e) {
        db = e.target.result;

        var objStore = db.createObjectStore("test");
        objStore.add(record, key);
    };

    open_rq.onsuccess = function(e) {
        var delete_rq = db.transaction("test", "readwrite")
                          .objectStore("test")
                          .delete(key);

        delete_rq.onsuccess = t.step_func(function(e) {
            assert_equals(e.target.result, undefined);

            e.target.transaction.oncomplete = t.step_func(VerifyRecordRemoved);
        });
    };

    function VerifyRecordRemoved() {
        var rq = db.transaction("test")
                   .objectStore("test")
                   .get(key);

        rq.onsuccess = t.step_func(function(e) {
            assert_equals(e.target.result, undefined);
            t.done();
        });
    }

</script>

<div id="log"></div>