public void TestRangeOperations()
{
BList <int> blist = NewList();
var primes = new int[] { 2, 3, 5, 7, 11, 13, 17, 23 };
blist.AddRange(new int[] { });
blist.AddRange(primes);
blist.AddRange(new int[] { });
ExpectList(blist, primes);
Assert.AreEqual(4, blist.AddRange(new int[] { 9, 9, 29, 9 }));
ExpectList(blist, 2, 3, 5, 7, 9, 9, 9, 11, 13, 17, 23, 29);
Assert.AreEqual(2, blist.RemoveRange(new int[] { 9, 9 }));
ExpectList(blist, 2, 3, 5, 7, 9, 11, 13, 17, 23, 29);
Assert.AreEqual(2, blist.RemoveRange(new int[] { 9, 9, 29, 9 }));
ExpectList(blist, 2, 3, 5, 7, 11, 13, 17, 23);
}