public void ICanCreateARangeCollectionOfIntegersAndAddToIt()
{
var rangeCollection = new RangeCollection <int> ();
var random = new Random();
var randomRanges = Enumerable.Range(1, 100).Select(i => new Range <int>(random.Next(0, 100), random.Next(101, 200)));
rangeCollection.AddRange(randomRanges);
// Not a lot we can say about it, other than it should have some but less than 101 ranges in it
rangeCollection.Ranges.Count().Should().BeGreaterOrEqualTo(1);
rangeCollection.Ranges.Count().Should().BeLessOrEqualTo(100);
}
public void TestRemovingRanges()
{
RangeCollection ranges = new RangeCollection();
ranges.AddRange(0, 4);
ranges.RemoveRange(1, 2);
Assert.AreEqual(2, ranges.Count);
Assert.AreEqual(new Range(0, 0), ranges[0]);
Assert.AreEqual(new Range(3, 4), ranges[1]);
ranges.Clear();
ranges.AddRange(0, 4);
ranges.RemoveRange(0, 1);
Assert.AreEqual(1, ranges.Count);
Assert.AreEqual(new Range(2, 4), ranges[0]);
ranges.Clear();
ranges.AddRange(0, 4);
ranges.RemoveRange(4, 4);
Assert.AreEqual(1, ranges.Count);
Assert.AreEqual(new Range(0, 3), ranges[0]);
}
public void RangesCoallesceWithinARangeCollection()
{
Range <int> range1 = new Range <int> (1, 33);
Range <int> range2 = new Range <int> (32, 67);
Range <int> range3 = new Range <int> (66, 100);
var rangeCollection = new RangeCollection <int> ();
rangeCollection.AddRange(new [] { range1, range2, range3 });
rangeCollection.Ranges.Should().HaveCount(1, "all the ranges should collapse to one");
var first = rangeCollection.Ranges.First();
first.Start.Should().Be(1, "the collapsed range should start at 1");
first.End.Should().Be(100, "the collapsed range should end at 100");
}
public void RangesShouldBeReturnedInSortedOrder()
{
var range1 = new Range <int> (1, 33);
var range2 = new Range <int> (34, 66);
var range3 = new Range <int> (67, 100);
var rangeCollection = new RangeCollection <int> ();
rangeCollection.AddRange(new [] { range3, range2, range1 });
rangeCollection.Ranges.Should().HaveCount(3, "the ranges were distinct");
var result = rangeCollection.Ranges.ToArray();
result[0].Should().Be(range1);
result[1].Should().Be(range2);
result[2].Should().Be(range3);
}
/// <summary>
/// Returns a Collection of range that represents the current class
/// </summary>
/// <returns></returns>
public virtual RangeCollection GetRanges()
{
RangeCollection ranges = new RangeCollection();
ranges.AddRange(m_RangeCollection);
return ranges;
}
