From b5c87b0f9c467aa7bb29eac90518bcf2ab69dad7 Mon Sep 17 00:00:00 2001
From: Trustin Lee <trustin@gmail.com>
Date: Fri, 18 Jan 2013 13:34:00 +0900
Subject: [PATCH] Fix failing tests

---
 buffer/src/main/java/io/netty/buffer/AbstractByteBuf.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/buffer/src/main/java/io/netty/buffer/AbstractByteBuf.java b/buffer/src/main/java/io/netty/buffer/AbstractByteBuf.java
index 6dcd87ac23..0ccc8727b7 100644
--- a/buffer/src/main/java/io/netty/buffer/AbstractByteBuf.java
+++ b/buffer/src/main/java/io/netty/buffer/AbstractByteBuf.java
@@ -976,7 +976,10 @@ public abstract class AbstractByteBuf implements ByteBuf {
 
     protected final void checkIndex(int index, int fieldLength) {
         checkUnfreed();
-        if (index < 0 || index > capacity() - fieldLength || fieldLength < 0) {
+        if (fieldLength < 0) {
+            throw new IllegalArgumentException("length: " + fieldLength + " (expected: >= 0)");
+        }
+        if (index < 0 || index > capacity() - fieldLength) {
             throw new IndexOutOfBoundsException(String.format(
                     "index: %d, length: %d (expected: range(0, %d))", index, fieldLength, capacity()));
         }