public void GetDiagonalTest()
{
String s = "CO2 + H2O = C6H12O6 + O2";
ChemEqnMatrix cm = new ChemEqnMatrix(s);
double[] expected = { 1, 1, -12, 0 };
double[] result = cm.GetDiagonal();
for (int i = 0; i < result.Length; i++)
{
Assert.AreEqual(expected[i], result[i]);
}
}