public void GlobalMethod() { Interval x = new Interval(0, 10); Interval y = new Interval(0, 10); Interval a = new Interval(0, 1); Interval b = new Interval(2, 4); Interval c = new Interval(3, 7); Interval d = new Interval(1, 1); Interval e = new Interval(2, 3); Interval f = new Interval(4, 0); Interval g = new Interval(0, 3); List <Interval> list = new List <Interval>() { a, b, c, d, e, f, g }; RangeTree tree = new RangeTree(list); List <Interval> ans1 = tree.Q(x, y); List <Interval> ans2 = tree.Q(new Interval(0, 1), new Interval(0, 1)); List <Interval> ans3 = tree.Q(new Interval(0, 2), new Interval(0, 1)); List <Interval> ans4 = tree.Q(new Interval(0, 2), new Interval(0, 4)); List <Interval> ans5 = tree.Q(new Interval(4, 100), new Interval(0, 100)); Assert.AreEqual(7, ans1.Count); Assert.AreEqual(2, ans2.Count); Assert.AreEqual(2, ans3.Count); Assert.AreEqual(5, ans4.Count); Assert.AreEqual(f, ans5[0]); }