public void ArithmeticExpressionEvaluateTest()
 {
     Assert.Equal(101, Parantheses.Evaluate("( 1 + ( ( 2 + 3 ) * ( 4 * 5 ) ) )"), 6);
     Assert.Equal(1.618033988749895, Parantheses.Evaluate("( ( 1 + sqrt ( 5 ) ) / 2.0 )"), 6);
 }
 public void BalancedParanthesesTest()
 {
     Assert.True(Parantheses.IsBalanced("[()]{ } {[()()]()}"));
     Assert.False(Parantheses.IsBalanced("[(])"));
 }