public void TestGetHashCode()
{
var wrapper1 = new BsonDocumentWrapper(new BsonDocument("x", 1));
var wrapper2 = new BsonDocumentWrapper(new BsonDocument("x", 1));
Assert.AreEqual(false, wrapper1.IsMaterialized);
Assert.AreEqual(false, wrapper2.IsMaterialized);
var hashCode1 = wrapper1.GetHashCode();
var hashCode2 = wrapper2.GetHashCode();
Assert.AreEqual(true, wrapper1.IsMaterialized);
Assert.AreEqual(true, wrapper2.IsMaterialized);
Assert.AreEqual(hashCode1, hashCode2);
}