public void GetHashCodeTest() { var range0 = new DoubleRange(-1.2, +3.4); var range1 = new DoubleRange(-1.2, +3.4); var range2 = new DoubleRange(-1.2, +3.5); Assert.AreNotEqual(0, range0.GetHashCode()); Assert.AreEqual(range0.GetHashCode(), range1.GetHashCode()); Assert.AreNotEqual(range0.GetHashCode(), range2.GetHashCode()); }