BTDBTest.InMemoryInMemoryKeyValueDBTest.MoreComplexTransaction C# (CSharp) Method

        public void MoreComplexTransaction()
        {
            using (IKeyValueDB db = new InMemoryKeyValueDB())
            {
                using (var tr = db.StartTransaction())
                {
                    Assert.True(tr.CreateOrUpdateKeyValue(ByteBuffer.NewAsync(_key1), ByteBuffer.NewAsync(new byte[0])));
                    Assert.False(tr.CreateOrUpdateKeyValue(ByteBuffer.NewAsync(_key1), ByteBuffer.NewAsync(new byte[0])));
                    Assert.Equal(FindResult.Previous, tr.Find(ByteBuffer.NewAsync(_key2)));
                    Assert.True(tr.CreateOrUpdateKeyValue(ByteBuffer.NewAsync(_key2), ByteBuffer.NewAsync(new byte[0])));
                    Assert.Equal(FindResult.Exact, tr.Find(ByteBuffer.NewAsync(_key1)));
                    Assert.Equal(FindResult.Exact, tr.Find(ByteBuffer.NewAsync(_key2)));
                    Assert.Equal(FindResult.Previous, tr.Find(ByteBuffer.NewAsync(_key3)));
                    Assert.Equal(FindResult.Next, tr.Find(ByteBuffer.NewEmpty()));
                    tr.Commit();
                }
            }
        }