public void AddExprTest(double firstInput, double secondInput, double expected)
{
Expression expr1 = new TerminalExpression(firstInput);
Expression expr2 = new TerminalExpression(secondInput);
Expression exprResult = new AddExpression(expr1, expr2);
Assert.Equal(expected, exprResult.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);
}
