Name: auR10023 Date: 03/28/2002


java.nio.channels.FileChannel.transferFrom(ReadableByteChannel, long,
long) method does not throw ClosedChannelException with
closed ReadableByteChannel. Here is the example:

----test.java----
import java.nio.*;
import java.nio.channels.*;
import java.io.*;

public class test {
    public static void main (String args []) {
        FileChannel channel = null;
        try {
            channel = (new FileOutputStream("aaa")).getChannel();
        } catch (IOException e) {
            System.out.println("Unexpected IOException");
        }
        ByteArrayInputStream istr = new ByteArrayInputStream(
            new byte [] {1, 2, 3, 4}
        );
        ReadableByteChannel rch = Channels.newChannel(istr);
        try {
            rch.close();
        } catch (IOException e) {
            System.out.println(e);
        }
        try {
            channel.transferFrom(rch, 0, 2);
            System.out.println("ClosedChannelException expected");
        } catch (Throwable e) {
            System.out.println(e);
        }
    }
    
#java -version
java version "1.4.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-b92)
Java HotSpot(TM) Client VM (build 1.4.0-b92, mixed mode)

#java test
ClosedChannelException expected

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