public void NullGuidTest()
{
var prm1 = new SqlParameter("1", SqlDbType.UniqueIdentifier)
{
Value = System.DBNull.Value
};
prm1.GetNullableGuid().Should().BeNull("that was a null database guid value");
prm1.GetGuid().Should().Be(Guid.Empty, "that was a null database guid value");
var prm2 = new SqlParameter("2", SqlDbType.UniqueIdentifier)
{
Value = Guid.Empty
};
prm2.GetGuid().Should().Be(Guid.Empty, "that was an empty database guid value");
prm2.GetNullableGuid().Should().Be(Guid.Empty, "that was an empty database guid value");
}