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Posted to dev@harmony.apache.org by "Paulex Yang (JIRA)" <ji...@apache.org> on 2006/02/09 03:32:57 UTC
[jira] Commented: (HARMONY-70) java.io.FileInputStream.close() must
close channel associated with this FileInputStream
[ http://issues.apache.org/jira/browse/HARMONY-70?page=comments#action_12365680 ]
Paulex Yang commented on HARMONY-70:
------------------------------------
This issue is similiar with issue 40(http://issues.apache.org/jira/browse/HARMONY-40), pls. refer to my comments for that issue, and these issues should be fixed by patches for issue 42(http://issues.apache.org/jira/browse/HARMONY-42).
> java.io.FileInputStream.close() must close channel associated with this FileInputStream
> ---------------------------------------------------------------------------------------
>
> Key: HARMONY-70
> URL: http://issues.apache.org/jira/browse/HARMONY-70
> Project: Harmony
> Type: Bug
> Components: Classlib
> Reporter: Vladimir Ivanov
>
> J2SE 1.4 specification reads for the method java.io.FileInputStream.close() :
> "If this stream has an associated channel then the channel is closed as well."
> But the channel is still opened.
> Code to reproduce:
> import java.io.*;
> import java.nio.channels.*;
> public class test29 {
> public static void main(String[] args) {
> try {
> File f = File.createTempFile("temp", ".txt");
> f.deleteOnExit();
> FileInputStream fis = new FileInputStream(f);
> FileChannel fch = fis.getChannel();
> fis.close();
> System.out.println("fch.isOpen = " + fch.isOpen());
> } catch (Exception e) {
> System.out.println("unex = " + e);
> }
> }
> }
> Steps to Reproduce:
> 1. Build Harmony (check-out on 2006-01-30) j2se subset as described in README.txt.
> 2. Compile test29.java using BEA 1.4 javac
> > javac -d . test29.java
> 3. Run java using compatible VM (J9)
> > java -showversion test29
> Output:
> C:\tmp\tmp17>C:\jrockit-j2sdk1.4.2_04\bin\java.exe -showversion test29
> 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)
> fch.isOpen = false
> C:\tmp\tmp17>C:\harmony\trunk\deploy\jre\bin\java -showversion test29
> java version 1.4.2 (subset)
> (c) Copyright 1991, 2005 The Apache Software Foundation or its licensors, as applicable.
> fch.isOpen = true
> junit test:
> ------------------------ FileInputStreamTest.java -------------------------------------------------
> import java.io.*;
> import java.nio.channels.*;
> import junit.framework.*;
> public class FileInputStreamTest extends TestCase {
> public static void main(String[] args) {
> junit.textui.TestRunner.run(FileInputStreamTest.class);
> }
> public void testClose() {
> try {
> File f = File.createTempFile("temp", ".txt");
> f.deleteOnExit();
> FileInputStream fis = new FileInputStream(f);
> FileChannel fch = fis.getChannel();
> fis.close();
> assertFalse("FAILED, channel still opened!", fch.isOpen());
> } catch (Exception e) {
> fail("Unexpected exception: " + e);
> }
> }
> }
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