public void CloseOutput() { MemoryStream ms = new MemoryStream(); BsonWriter writer = new BsonWriter(ms); Assert.True(ms.CanRead); writer.Close(); Assert.False(ms.CanRead); ms = new MemoryStream(); writer = new BsonWriter(ms) { CloseOutput = false }; Assert.True(ms.CanRead); writer.Close(); Assert.True(ms.CanRead); }