BTDBTest.InMemoryInMemoryKeyValueDBTest.TwoTransactions C# (CSharp) Method

        public void TwoTransactions()
        {
            using (IKeyValueDB db = new InMemoryKeyValueDB())
            {
                using (var tr1 = db.StartTransaction())
                {
                    tr1.CreateKey(_key1);
                    tr1.Commit();
                }
                using (var tr2 = db.StartTransaction())
                {
                    tr2.CreateKey(_key2);
                    Assert.True(tr2.FindExactKey(_key1));
                    Assert.True(tr2.FindExactKey(_key2));
                    Assert.False(tr2.FindExactKey(_key3));
                    tr2.Commit();
                }
                using (var tr3 = db.StartTransaction())
                {
                    Assert.True(tr3.FindExactKey(_key1));
                    Assert.True(tr3.FindExactKey(_key2));
                    Assert.False(tr3.FindExactKey(_key3));
                }
            }
        }