public virtual void TestCopyLeadingPrefix()
{
RefList <Ref> one = ToList(REF_A, REF_B, REF_c);
RefList <Ref> two = one.Copy(2).ToRefList();
NUnit.Framework.Assert.AreNotSame(one, two);
NUnit.Framework.Assert.AreEqual(3, one.Size());
NUnit.Framework.Assert.AreSame(REF_A, one.Get(0));
NUnit.Framework.Assert.AreSame(REF_B, one.Get(1));
NUnit.Framework.Assert.AreSame(REF_c, one.Get(2));
NUnit.Framework.Assert.AreEqual(2, two.Size());
NUnit.Framework.Assert.AreSame(REF_A, two.Get(0));
NUnit.Framework.Assert.AreSame(REF_B, two.Get(1));
}