51 lines
1.1 KiB
Java
51 lines
1.1 KiB
Java
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import java.io.*;
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public class RandomAccessFileTest {
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public static void main (String args[]) {
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try {
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File f = new File("/etc/passwd");
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RandomAccessFile rf = new RandomAccessFile(f,"r");
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long length = rf.length();
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rf.seek(length - 10);
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long pos = rf.getFilePointer();
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if ( (length - 10) != pos )
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throw new Exception("Bad value from getFilePointer(), " +
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pos + " !=" + (length - 10));
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int i = rf.read();
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byte b = rf.readByte();
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boolean test = rf.readBoolean();
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byte buf[] = new byte[40];
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rf.seek(0);
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rf.read(buf);
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rf.close();
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try {
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length = rf.length();
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throw new Exception("Got length from closed RandomAccessFile().");
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} catch (IOException e) {}
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String filename2 = "/var/tmp/testfile-remove";
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File f2 = new File(filename2);
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RandomAccessFile rf2 = new RandomAccessFile(filename2, "rw");
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rf2.write(100);
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rf2.write(buf);
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rf2.close();
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f2.delete();
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System.out.println("PASSED: RandomAccessFile worked.");
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System.exit(0);
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} catch (Exception e) {
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System.out.println("FAILED: "+e);
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}
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}
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}
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