public void ReturnsValues_Exclusive_OfMultipleRanges()
{
var expected = new[] { new Range(0, 1), new Range(5, 5), new Range(8, 4294967295) };
var sut = new IpRanges();
sut.Block(new Range(2, 4));
sut.Block(new Range(6, 7));
var actual = sut.AvailableRanges();
Assert.Equal(expected, actual);
}
public void HowManyAvailable_ReturnsCountInRange_LessAllBlocks()
{
var expectedAvailable = new[] { new Range(3, 3), new Range(9, 9) };
var sut = new IpRanges(9);
sut.Block(new Range(5, 8));
sut.Block(new Range(0, 2));
sut.Block(new Range(4, 7));
Assert.Equal(2, sut.HowManyAvailable);
Assert.Equal(8, sut.HowManyBlocked);
Assert.Equal(expectedAvailable, sut.AvailableRanges());
}
public void ReturnsValues_AfterMultipleOverlappedHaveToMerge()
{
var expected = new[] { new Range(0, 0), new Range(9, 4294967295) };
var sut = new IpRanges();
sut.Block(new Range(2, 4));
sut.Block(new Range(5, 8));
sut.Block(new Range(1, 7));
var actual = sut.AvailableRanges();
Assert.Equal(expected, actual);
}
public void HowManyAvailable_ReturnsCountInRange_LessBlocks()
{
var sut = new IpRanges();
sut.Block(new Range(2, 5));
Assert.Equal(4294967292, sut.HowManyAvailable);
}
public static void Problem20()
{
var ips = new IpRanges();
foreach (var range in FileStringReader.Read("P20.txt"))
{
ips.Block(Range.From(range));
}
ips.AvailableRanges().ToList().ForEach(a => Console.WriteLine(string.Format("{0} == {1}", a, a.HowManyInRange)));
Console.WriteLine("\nLowest Available = {0}", ips.Lowest());
Console.WriteLine("Number Blocked = {0}", ips.HowManyBlocked);
Console.WriteLine("Number Available = {0}", ips.HowManyAvailable);
}
