Merge pull request #119 from msgpack/fix_message_buffer_output_assert

Fix assert() condition in MessageBufferOutput subclasses

Author: xerial

msgpack-core/src/main/java/org/msgpack/core/buffer/ChannelBufferOutput.java

@@ -19,7 +19,7 @@ public ChannelBufferOutput(WritableByteChannel channel) {
 
     @Override
     public void flush(MessageBuffer buf, int offset, int len) throws IOException {
-        assert(offset + len < buf.size());
+        assert(offset + len <= buf.size());
         ByteBuffer bb = buf.toByteBuffer(offset, len);
         channel.write(bb);
     }

msgpack-core/src/main/java/org/msgpack/core/buffer/OutputStreamBufferOutput.java

@@ -18,7 +18,7 @@ public OutputStreamBufferOutput(OutputStream out) {
 
     @Override
     public void flush(MessageBuffer buf, int offset, int len) throws IOException {
-        assert(offset + len < buf.size());
+        assert(offset + len <= buf.size());
 
         // TODO reuse the allocated buffer
         byte[] in = new byte[len];