Retro68/gcc/libjava/testsuite/libjava.lang/LargeFile.java

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2012-03-27 23:13:14 +00:00
/* Test to ensure files >= 2^31 bytes are supported. */
import java.io.*;
public class LargeFile
{
public static void main(String[] args) throws IOException
{
File file = new File("LargeFile.tmp");
try
{
RandomAccessFile rfile = new RandomAccessFile(file, "rw");
long pos = (long) Math.pow(2, 31);
rfile.seek(pos);
rfile.write('O');
rfile.write('K');
rfile.close();
// Re-open, read byte back using FileInputStream and clean up.
FileInputStream fis = new FileInputStream(file);
fis.skip(pos);
System.out.print((char) fis.read());
System.out.println((char) fis.read());
fis.close();
}
finally
{
if (file.exists())
file.delete();
}
}
}