public void CloseInput()
{
MemoryStream ms = new MemoryStream();
BsonReader reader = new BsonReader(ms);
Assert.IsTrue(ms.CanRead);
reader.Close();
Assert.IsFalse(ms.CanRead);
ms = new MemoryStream();
reader = new BsonReader(ms) { CloseInput = false };
Assert.IsTrue(ms.CanRead);
reader.Close();
Assert.IsTrue(ms.CanRead);
}