Fixed issue: NETTY-162 directBuffer cannot create buffer with LITTLE_ENDIAN endianness

* Added test case for little endian direct buffer
* Fixed a problem where the sliced buffer's endianness is not set

src/main/java/org/jboss/netty/buffer/ByteBufferBackedChannelBuffer.java

@@ -57,7 +57,7 @@ public class ByteBufferBackedChannelBuffer extends AbstractChannelBuffer {
             throw new NullPointerException("buffer");
         }
 
-        this.buffer = buffer.slice();
+        this.buffer = buffer.slice().order(buffer.order());
         capacity = buffer.remaining();
         writerIndex(capacity);
     }
@@ -337,6 +337,7 @@ public class ByteBufferBackedChannelBuffer extends AbstractChannelBuffer {
 
         ByteBuffer dst = buffer.isDirect() ? ByteBuffer.allocateDirect(length) : ByteBuffer.allocate(length);
         dst.put(src);
+        dst.order(order());
         dst.clear();
         return new ByteBufferBackedChannelBuffer(dst);
     }

src/test/java/org/jboss/netty/buffer/BigEndianDirectChannelBufferTest.java

@@ -24,6 +24,8 @@ package org.jboss.netty.buffer;
 
 import static org.junit.Assert.*;
 
+import java.nio.ByteOrder;
+
 /**
  *
  * @author The Netty Project (netty-dev@lists.jboss.org)
@@ -31,13 +33,14 @@ import static org.junit.Assert.*;
  *
  * @version $Rev$, $Date$
  */
-public class DirectChannelBufferTest extends AbstractChannelBufferTest {
+public class BigEndianDirectChannelBufferTest extends AbstractChannelBufferTest {
 
     private ChannelBuffer buffer;
 
     @Override
     protected ChannelBuffer newBuffer(int length) {
-        buffer = ChannelBuffers.directBuffer(length);
+        buffer = ChannelBuffers.directBuffer(ByteOrder.BIG_ENDIAN, length);
+        assertSame(ByteOrder.BIG_ENDIAN, buffer.order());
         assertEquals(0, buffer.writerIndex());
         return buffer;
     }

src/test/java/org/jboss/netty/buffer/LittleEndianDirectChannelBufferTest.java

@@ -0,0 +1,52 @@
+/*
+ * JBoss, Home of Professional Open Source
+ *
+ * Copyright 2008, Red Hat Middleware LLC, and individual contributors
+ * by the @author tags. See the COPYRIGHT.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.netty.buffer;
+
+import static org.junit.Assert.*;
+
+import java.nio.ByteOrder;
+
+/**
+ *
+ * @author The Netty Project (netty-dev@lists.jboss.org)
+ * @author Trustin Lee (tlee@redhat.com)
+ *
+ * @version $Rev$, $Date$
+ */
+public class LittleEndianDirectChannelBufferTest extends AbstractChannelBufferTest {
+
+    private ChannelBuffer buffer;
+
+    @Override
+    protected ChannelBuffer newBuffer(int length) {
+        buffer = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, length);
+        assertSame(ByteOrder.LITTLE_ENDIAN, buffer.order());
+        assertEquals(0, buffer.writerIndex());
+        return buffer;
+    }
+
+    @Override
+    protected ChannelBuffer[] components() {
+        return new ChannelBuffer[] { buffer };
+    }
+}