import java.io.*;

class tester {    
    public static void main(String args[]) {              
    FileInputStream inputFile1,inputTest; // declare a file input object
    DataInputStream in1, in2;
    int lineNumber = 1;
    boolean testFail = false;

    if (args.length == 2) {    
        try {
            // Get the name of the file to be compared
            inputFile1 = new FileInputStream(args[0]);
            // Get the name of the benchmark (i.e. the file that you should generate as a test case)
            inputTest = new FileInputStream(args[1]);
            // Convert our input stream to a
            // DataInputStream
            in1 = new DataInputStream(inputFile1);
            in2 = new DataInputStream(inputTest);
            while (in2.available()!=0)
            {
				//compare the the lines read from the first file to the ones read from the second file
                if(!(in1.readLine()).equals(in2.readLine())) {
                        System.out.println("Error occured at line number: " + lineNumber);
                        testFail = true;
                }
                lineNumber++;
            }
            in1.close();
            in2.close();
            if (testFail)
                System.out.println ("Test has failed: output file disagrees with input file");
            else
                System.out.println ("Test Successful..");

        } catch (Exception e) {
                        System.err.println ("Error Reading/Writing from/to file");
                }
    } else {
        System.out.println ("Wrong Number of arguments");
    }
    }
}