Add FrameDecoder unit test, update comments in Cluster.h/cpp.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@747947 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 73 insertions, 0 deletions

diff --git a/cpp/src/tests/FrameDecoder.cpp b/cpp/src/tests/FrameDecoder.cpp
new file mode 100644
index 0000000000..b7f1ea1b89
--- /dev/null
+++ b/cpp/src/tests/FrameDecoder.cpp
@@ -0,0 +1,73 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.
+ *
+ */
+
+#include "unit_test.h"
+#include "qpid/framing/AMQFrame.h"
+#include "qpid/framing/FrameDecoder.h"
+#include "qpid/framing/AMQContentBody.h"
+#include "qpid/framing/Buffer.h"
+#include <string>
+
+
+QPID_AUTO_TEST_SUITE(FrameDecoderTest)
+
+using namespace std;
+using namespace qpid::framing;
+
+
+string makeData(int size) {
+    string data;
+    data.resize(size);
+    for (int i =0; i < size; ++i)
+        data[i] = 'a' + (i%26);
+    return data;
+}
+string encodeFrame(string data) {
+    AMQFrame f((AMQContentBody(data)));
+    string encoded;
+    encoded.resize(f.encodedSize());
+    Buffer b(&encoded[0], encoded.size());
+    f.encode(b);
+    return encoded;
+}
+
+string getData(const AMQFrame& frame) {
+    const AMQContentBody* content = dynamic_cast<const AMQContentBody*>(frame.getBody());
+    BOOST_CHECK(content);
+    return content->getData();
+}
+
+QPID_AUTO_TEST_CASE(testByteFragments) {
+    string data = makeData(42);
+    string encoded = encodeFrame(data);
+    FrameDecoder decoder;
+    for (size_t i = 0; i < encoded.size()-1; ++i) {
+        Buffer buf(&encoded[i], 1);
+        BOOST_CHECK(!decoder.decode(buf));
+    }
+    Buffer buf(&encoded[encoded.size()-1], 1);
+    BOOST_CHECK(decoder.decode(buf));
+    BOOST_CHECK_EQUAL(data, getData(decoder.frame));
+}
+
+
+                    
+QPID_AUTO_TEST_SUITE_END()