public void RadicalAndAnion()
 {
     Assert.AreEqual("(•)−", StandardAtomGenerator.ChargeAdjunctText(-1, 1));
 }
 public void DiradicalCation()
 {
     Assert.AreEqual("(2•)+", StandardAtomGenerator.ChargeAdjunctText(1, 2));
 }
 public void Dication()
 {
     Assert.AreEqual("2+", StandardAtomGenerator.ChargeAdjunctText(2, 0));
 }
 public void Diradical()
 {
     Assert.AreEqual("2•", StandardAtomGenerator.ChargeAdjunctText(0, 2));
 }
 public void Dianion()
 {
     Assert.AreEqual("2−", StandardAtomGenerator.ChargeAdjunctText(-2, 0));
 }