public class TestBigNats {

    /* Susan Eisenbach
     * Tests BigNatLibrary
     */

    public static void main(String[] args) {
        //make sure there are no new print statements in main
    }

    public static void printMenu() {
        System.out.println("0: Quit");
        System.out.println("1: Add two numbers");
        System.out.println("2: Subtract the second number from the first number");
        System.out.println("3: Multiply two numbers");
        System.out.println("4: Calculate a Fibonacci number using big numbers rather than "
            + "integers");
        System.out.println("5: Test helper functions");
    }
    public static void addTest(){
        System.out.print("Please type in two big numbers -> ");
        BigNatLibrary.print(BigNatLibrary.add(BigNatLibrary.read(),BigNatLibrary.read()));
        System.out.println();
    }
    public static void subTest(){
        System.out.print("Please type in two big numbers -> ");
        BigNatLibrary.print(BigNatLibrary.sub(BigNatLibrary.read(),BigNatLibrary.read()));
        System.out.println();
    }
    public static void fibTest(){
        System.out.print("Which Fibonacci number do you want -> ");
        BigNatLibrary.print(BigNatLibrary.fib(BigNatLibrary.read()));
        System.out.println();
    }
    public static void helperTests(){
        int[] first; int[] second;
        int n = 0;
        System.out.print("Please type in two big numbers -> ");
        first = BigNatLibrary.read();
        second = BigNatLibrary.read();
        if (BigNatLibrary.areEqual(first,second))
            System.out.println("The numbers are equal.");
        else System.out.println("The numbers are not equal.");
        if (BigNatLibrary.isGreater(first,second))
            System.out.println("The first number is greater than the second number.");
        else System.out.println("The first number is not greater than the second number.");
        System.out.print("Reversing the first number gives  ");
        BigNatLibrary.print(BigNatLibrary.reverse(first));
        System.out.println();
        System.out.print("Please type in a positive integer to convert to a big natural number -> ");
        BigNatLibrary.print(BigNatLibrary.intToBigNat(IOUtil.readInt()));
        System.out.println();
    }
}