/*
 On marian, the
first timed operation - creating an array of 100000 file names - takes
about 300 ms. The second (real) timing test, creating the corresponding files,
took about 40 seconds for an inefficient version and about 900 ms for a
more efficient one.

*/




import java.util.*;


public class TimingTest {

   public static void main(String[] args) throws Exception {
      int n = 100000; // size of the system
      System.out.println("Creating a new file system of size " + n);
      FileSystem  fs = new FileSystem(n);
      long after, before, time;
      

      before = System.currentTimeMillis();
      String[][] files = new String[n][];
      for (int i = 0; i < n; i++){
         String[] fn = new String[2];
         fn[0] = "root";
         fn[1] = "file"+i;
         files[i] = fn;
      }
      after = System.currentTimeMillis();
      time = after - before;
      System.out.print("Time taken to create array of file names: ");
      System.out.print(time);
      System.out.println(" milliseconds");


      System.out.println("Creating the files");
      before = System.currentTimeMillis();
      for (int i = 0; i < n; i++){
         fs.file(files[i],1);
      }
      after = System.currentTimeMillis();
      time = after - before;
      System.out.print("Time taken to create the files: ");
      System.out.print(time);
      System.out.println(" milliseconds");

   }
}