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  1. Harmony
  2. HARMONY-829

[classlib][io] unexpected result for java.io.File.compareTo(File) method

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Classlib
    • Labels:
      None

      Description

      The Harmony method java.io.File.compareTo(File) returns positive value while RI returns negative.

      ================= test.java ====================
      import java.io.*;

      public class test {
      public static void main (String[] args)

      { File f1 = new File("01", ""); File f2 = new File("0", ""); System.out.println("f1.getPath() = " + f1.getPath() + ", f2.getPath() = " + f2.getPath()); System.out.println("f2.compareTo(f1) = " + f2.compareTo(f1) + ", f1.compareTo(f2) = " + f1.compareTo(f2)); }

      }
      ============================================

      Output:
      C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -showversion test
      java version "1.5.0"
      Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
      BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))

      f1.getPath() = 01, f2.getPath() = 0
      f2.compareTo(f1) = -1, f1.compareTo(f2) = 1

      C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -showversion test
      java version 1.5 (subset)

      (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
      f1.getPath() = 01\, f2.getPath() = 0\
      f2.compareTo(f1) = 43, f1.compareTo(f2) = -43

        Attachments

        1. FileTest.patch
          0.7 kB
          Vladimir Ivanov
        2. patch-829.patch
          2 kB
          Ilya Okomin
        3. FileTest.patch
          1 kB
          Ilya Okomin
        4. Harmony-829-test.patch
          1 kB
          Ilya Okomin
        5. Harmony-829.patch
          1 kB
          Ilya Okomin

          Activity

            People

            • Assignee:
              cap Alexey Petrenko
              Reporter:
              vladimir Vladimir Ivanov
            • Votes:
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              Watchers:
              1 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: