public void TestGetDefaultAtomColor()
        {
            CDK2DAtomColors colors = new CDK2DAtomColors();

            Assert.IsNotNull(colors);
            IAtom imaginary = new PseudoAtom("Ix");

            Assert.AreEqual(Color.FromRgb(0, 0, 0), colors.GetAtomColor(imaginary, WPF::Media.Colors.Black));
        }
        public void TestGetAtomColor()
        {
            CDK2DAtomColors colors = new CDK2DAtomColors();

            Assert.IsNotNull(colors);
            IAtom hydrogen = new Atom("H");

            hydrogen.AtomicNumber = 1;
            Assert.AreEqual(Color.FromRgb(0, 0, 0), colors.GetAtomColor(hydrogen));
            IAtom helium = new Atom("He");

            helium.AtomicNumber = 2;
            Assert.AreEqual(Color.FromRgb(217, 255, 255), colors.GetAtomColor(helium));
        }