public int calculate(Calculation calculation, int num1, int num2) {
if (num1 > 10 && num2 < num1) {
return calculation.calculate(num1, num2);
} else {
throw new IllegalArgumentException("Invalid input num1: " + num1 + ", num2: " + num2);
}
}
@Test
public void testSqrt() {
Double x = 81.0;
String operation = "sqrt";
Double result = 9.0;
Calculation object = new Calculation();
object.calculate(x, operation);
assertEquals(result, object.getTotal());
}
@Test
public void testAdd() {
Double x = 4.0;
Double y = 2.0;
String operation = "+";
Double result = 6.0;
Calculation object = new Calculation();
object.calculate(x, y, operation);
assertEquals(result, object.getTotal());
}
@Test
public void testCos() {
Double x = 90.0;
String operation = "cos";
Double result = Math.cos(x);
Calculation object = new Calculation();
object.setTotal(x);
object.calculate(operation);
assertEquals(result, object.getTotal());
}
public static void main(String[] args) {
Calculation calculation = new Calculation();
System.out.println("-------------------------------");
System.out.print(" Enter the argument:");
Double x = getArgumentFromConsole();
int i = 0;
while (true) {
System.out.print(" Enter the operation:");
String operation = getOperationFromConsole();
if (!(operation.equals("+")
|| operation.equals("-")
|| operation.equals("*")
|| operation.equals("/"))) {
if (i == 0) {
calculation.setTotal(x);
calculation.calculate(operation);
i++;
} else {
calculation.calculate(operation);
i++;
}
} else {
System.out.print(" Enter the argument:");
Double y = getArgumentFromConsole();
if (i == 0) {
calculation.calculate(x, y, operation);
} else {
calculation.calculate(y, operation);
}
i++;
}
System.out.println("-------------------------------");
System.out.println("Result:" + calculation.getTotal());
System.out.println();
System.out.println();
}
}
