public void CountWhere() { Bag <double> bag1 = new Bag <double>(new double[] { 4.5, 187.4, 1.2, 7.6, -7.6, -0.04, 1.2, 1.78, 10.11, 187.4 }); Assert.AreEqual(0, bag1.CountWhere(d => d > 200)); Assert.AreEqual(7, bag1.CountWhere(d => Math.Abs(d) < 10)); Assert.AreEqual(10, bag1.CountWhere(d => d > -10)); Assert.AreEqual(5, bag1.CountWhere(d => Math.Abs(d) > 5)); bag1.Clear(); Assert.AreEqual(0, bag1.CountWhere(d => Math.Abs(d) < 10)); }