import java.util.ArrayList;
import java.util.Arrays;

public class Test2
{
    public static void main(String[] args)
    {
        ArrayList<String> s;
        String[][] input = { {"3", "+", "4" , "-" , "5"},
	                     {"3", "+", "4" , "-" , "5", "+", "6"},
	                     {"3", "+", "4" , "-" , "5", "+", "6", "-", "7"}
			   } ;
        String[] ans = { "[3, 4, +, 5, -]",
                         "[3, 4, +, 5, -, 6, +]",
                         "[3, 4, +, 5, -, 6, +, 7, -]" };

        int err = 0;

	for ( int i = 0; i < input.length; i++ )
	{
            System.out.println("Input   = " + Arrays.toString(input[i]));
            s = InfixToPostfix.convertToPostfix(input[i]);
            System.out.println("Output  = " + s + "\n");

            if ( ! s.toString().equals(ans[i]) )
            {
                err++;
                System.out.println("Wrong, correct answer = " + ans[i]);
            }
	}

        if ( err == 0 )
            System.out.println("Test 2 passed");
    }
}