public void SubsTest(double first, double second, double expected)
{
ICalculate calc = new Substruction();
double result = calc.Calculate(first, second);
Assert.AreEqual(expected, result);
}
private void AddExpression(string s, int i, ref IExpression[] exps, ref int size)
{
if (i == 0)
{
if (s[i] == '-')
{
size++;
Array.Resize <IExpression>(ref exps, size);
exps[size - 1] = new Substruction(new Expression("0"),
new Expression(s.Substring(1, s.Length - 1)));
return;
}
else if (s[i] == '+')
{
size++;
Array.Resize <IExpression>(ref exps, size);
exps[size - 1] = new Expression(s.Substring(1, s.Length - 1));
}
}
Expression exp1 = new Expression(s.Substring(0, i));
Expression exp2 = new Expression(s.Substring(i + 1, s.Length - i - 1));
size++;
Array.Resize <IExpression>(ref exps, size);
switch (s[i])
{
case '+':
{
exps[size - 1] = new Addition(exp1, exp2);
break;
}
case '-':
{
exps[size - 1] = new Substruction(exp1, exp2);
break;
}
case '*':
{
exps[size - 1] = new Multiply(exp1, exp2);
break;
}
case '/':
{
exps[size - 1] = new Division(exp1, exp2);
break;
}
default:
break;
}
}
public void NegativeExpression()
{
for (int i = 0; i < size; i++)
{
if (exps[i] is Substruction sub)
{
IExpression[] exs = sub.Getexps();
exps[i] = new Addition(exs[0], exs[1]);
}
else if (exps[i] is Addition add)
{
IExpression[] exs = add.Getexps();
exps[i] = new Substruction(exs[0], exs[1]);
}
}
}
public void BuildFoundations()
{
var foundations = new Substruction();
AddHousePart(foundations);
}
