public void RemoveAll() { Bag <double> bag1 = new Bag <double>(new[] { 4.5, 187.4, 1.2, 7.6, -7.6, -0.04, 1.2, 1.78, 10.11, 187.4 }); bag1.RemoveAll(d => Math.Abs(d) > 5); InterfaceTests.TestReadWriteCollectionGeneric(bag1, new double[] { -0.04, 1.2, 1.2, 1.78, 4.5 }, false); bag1 = new Bag <double>(new[] { 4.5, 187.4, 1.2, 7.6, -7.6, -0.04, 1.2, 1.78, 10.11, 187.4 }); bag1.RemoveAll(d => d == 0); InterfaceTests.TestReadWriteCollectionGeneric(bag1, new double[] { -7.6, -0.04, 1.2, 1.2, 1.78, 4.5, 7.6, 10.11, 187.4, 187.4 }, false); bag1 = new Bag <double>(new[] { 4.5, 187.4, 1.2, 7.6, -7.6, -0.04, 1.2, 1.78, 10.11, 187.4 }); bag1.RemoveAll(d => d < 200); Assert.AreEqual(0, bag1.Count); }