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Posted to dev@harmony.apache.org by "Svetlana Samoilenko (JIRA)" <ji...@apache.org> on 2006/02/15 07:16:51 UTC
[jira] Commented: (HARMONY-86)
java.util.zip.Inflater.needsDictionary() throws unspecified
IllegalStateException
[ http://issues.apache.org/jira/browse/HARMONY-86?page=comments#action_12366443 ]
Svetlana Samoilenko commented on HARMONY-86:
--------------------------------------------
Tim, thank you, bug is not reproducible with latest sources.
> java.util.zip.Inflater.needsDictionary() throws unspecified IllegalStateException
> ---------------------------------------------------------------------------------
>
> Key: HARMONY-86
> URL: http://issues.apache.org/jira/browse/HARMONY-86
> Project: Harmony
> Type: Bug
> Components: Classlib
> Reporter: Svetlana Samoilenko
> Assignee: Tim Ellison
>
> According to the j2se 1.4 and 1.5 specification java.util.zip.needsDictionary() method must not throw any exception.
> Harmony throws unspecified IllegalStateException that contradicts specification.
> Code to reproduce:
> import java.util.zip.*;
> public class test2 {
> public static void main(String args[]) {
> Inflater inf = new Inflater();
> System.out.println("Inflater.needsDictionary() = "+inf.needsDictionary());
> }
> }
> Steps to Reproduce:
> 1. Build Harmony (check-out on 2006-01-30) j2se subset as described in README.txt.
> 2. Compile test2.java using BEA 1.4 javac
> > javac -d . test2.java
> 3. Run java using compatible VM (J9)
> > java -showversion test2
> Output:
> C:\tmp>C:\jrockit-j2sdk1.4.2_04\bin\java.exe -showversion test2
> java version "1.4.2_04"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_04-b05)
> BEA WebLogic JRockit(TM) 1.4.2_04 JVM (build ari-31788-20040616-1132-win-ia32, Native Threads, GC strategy: parallel)
> Inflater.needsDictionary() = true
> C:\tmp>C:\harmony\trunk\deploy\jre\bin\java -showversion test2
> (c) Copyright 1991, 2005 The Apache Software Foundation or its licensors, as applicable.
> java.lang.IllegalStateException
> at java.util.zip.Inflater.needsDictionary(Inflater.java:212)
> at test2.main(test2.java:8)
> Siggested fix: to remove the lines in needsDictionary() method in archive/src/main/java/java/util/zip/Inflater.java :
> 211 if (inputBuffer == null)
> 212 throw new IllegalStateException();
> Suggested junit test case:
> ------------------------ InflaterTest.java -------------------------------------------------
> import java.util.zip.*;
> import junit.framework.*;
> public class InflaterTest extends TestCase {
> public static void main(String[] args) {
> junit.textui.TestRunner.run(InflaterTest .class);
> }
> public void test_needsDictionary () {
> Inflater inf = new Inflater();
> assertFalse(inf.needsDictionary());
> }
> }
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