public void TestGetModifier()
 {
     Assert.IsTrue(strengthLookup.GetModifier(1) == -5);
     Assert.IsTrue(strengthLookup.GetModifier(200) == -3);
     try
     {
         strengthLookup.GetModifier(-6);
         Assert.Fail("Should have thrown exception");
     }
     catch (StrengthTableException e)
     {
         Assert.IsTrue(e.GetMessage().Contains("Can't find corresponding modifier"));
     }
 }