public void DivExprTest(double firstInput, double secondInput, double expected)
{
Expression expr1;
Expression expr2;
if (firstInput < 0)
{
Expression expr = new TerminalExpression(Math.Abs(firstInput));
expr1 = new NegativeExpression(expr);
}
else
{
expr1 = new TerminalExpression(firstInput);
}
if (secondInput < 0)
{
Expression expr = new TerminalExpression(Math.Abs(secondInput));
expr2 = new NegativeExpression(expr);
}
else
{
expr2 = new TerminalExpression(secondInput);
}
Expression exprResult = new DivExpression(expr1, expr2);
Assert.Equal(expected, exprResult.Solve(), 5);
}
public void NegativeExprTest(double expected, double action)
{
Expression expr = new TerminalExpression(action);
NegativeExpression negExpr = new NegativeExpression(expr);
Assert.Equal(expected, negExpr.Solve(), 5);
}
public void SubstractExprTest(double firstInput, double secondInput, double expected)
{
Expression expr1 = new TerminalExpression(firstInput);
Expression expr2 = new TerminalExpression(secondInput);
NegativeExpression negExpr = new NegativeExpression(expr2);
Expression exprResult = new AddExpression(expr1, negExpr);
Assert.Equal(expected, exprResult.Solve(), 5);
}
