Added a TooLongFrameException recovery test for DelimiterBasedFrameDecoder

src/test/java/org/jboss/netty/handler/codec/frame/DelimiterBasedFrameDecoderTest.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2009 Red Hat, Inc.
+ *
+ * Red Hat licenses this file to you under the Apache License, version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at:
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+package org.jboss.netty.handler.codec.frame;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.handler.codec.embedder.CodecEmbedderException;
+import org.jboss.netty.handler.codec.embedder.DecoderEmbedder;
+import org.jboss.netty.util.CharsetUtil;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * @author <a href="http://gleamynode.net/">Trustin Lee</a>
+ */
+public class DelimiterBasedFrameDecoderTest {
+    @Test
+    public void testTooLongFrameRecovery() throws Exception {
+        DecoderEmbedder<ChannelBuffer> embedder = new DecoderEmbedder<ChannelBuffer>(
+                new DelimiterBasedFrameDecoder(1, Delimiters.nulDelimiter()));
+
+        for (int i = 0; i < 2; i ++) {
+            try {
+                embedder.offer(ChannelBuffers.wrappedBuffer(new byte[] { 1, 2, 0 }));
+                Assert.fail(CodecEmbedderException.class.getSimpleName() + " must be raised.");
+            } catch (CodecEmbedderException e) {
+                Assert.assertTrue(e.getCause() instanceof TooLongFrameException);
+                // Expected
+            }
+
+            embedder.offer(ChannelBuffers.wrappedBuffer(new byte[] { 'A', 0 }));
+            ChannelBuffer buf = embedder.poll();
+            Assert.assertEquals("A", buf.toString(CharsetUtil.ISO_8859_1));
+        }
+    }
+}