gomp-20050608-branch/libjava/testsuite/libjava.lang/LargeFile.java

   1 /* Test to ensure files >= 2^31 bytes are supported. */
   2
   3 import java.io.*;
   4
   5 public class LargeFile
   6 {
   7   public static void main(String[] args) throws IOException
   8   {
   9     File file = new File("LargeFile.tmp");
  10
  11     try
  12       {
  13         RandomAccessFile rfile = new RandomAccessFile(file, "rw");
  14
  15         long pos = (long) Math.pow(2, 31);
  16
  17         rfile.seek(pos);
  18         rfile.write('O');
  19         rfile.write('K');
  20         rfile.close();
  21
  22         // Re-open, read byte back using FileInputStream and clean up.
  23
  24         FileInputStream fis = new FileInputStream(file);
  25         fis.skip(pos);
  26         System.out.print((char) fis.read());
  27         System.out.println((char) fis.read());
  28         fis.close();
  29       }
  30     finally
  31       {
  32         if (file.exists())
  33           file.delete();
  34       }
  35   }
  36 }