1 files changed, 112 insertions, 0 deletions
diff --git a/cpp/src/tests/LazyLoadedContentTest.cpp b/cpp/src/tests/LazyLoadedContentTest.cpp
new file mode 100644
index 0000000000..9d0da2206d
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+++ b/cpp/src/tests/LazyLoadedContentTest.cpp
@@ -0,0 +1,112 @@
+/*
+ *
+ * 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 "../broker/LazyLoadedContent.h"
+#include "AMQP_HighestVersion.h"
+#include "../broker/NullMessageStore.h"
+#include "qpid_test_plugin.h"
+#include <iostream>
+#include <list>
+#include <sstream>
+#include "../framing/AMQFrame.h"
+#include "MockChannel.h"
+using std::list;
+using std::string;
+using boost::dynamic_pointer_cast;
+using namespace qpid::broker;
+using namespace qpid::framing;
+
+
+
+class LazyLoadedContentTest : public CppUnit::TestCase  
+{
+        CPPUNIT_TEST_SUITE(LazyLoadedContentTest);
+        CPPUNIT_TEST(testFragmented);
+        CPPUNIT_TEST(testWhole);
+        CPPUNIT_TEST(testHalved);
+        CPPUNIT_TEST_SUITE_END();
+
+    class TestMessageStore : public NullMessageStore
+    {
+        const string content;
+        
+    public:
+        TestMessageStore(const string& _content) : content(_content) {}
+
+        void loadContent(PersistableMessage&, string& data, uint64_t offset, uint32_t length)
+        {
+            if (offset + length <= content.size()) {
+                data = content.substr(offset, length);
+            } else{
+                std::stringstream error;
+                error << "Invalid segment: offset=" << offset << ", length=" << length << ", content_length=" << content.size();
+                throw qpid::Exception(error.str());
+            }
+        }
+    };
+
+
+public:
+    void testFragmented()
+    {
+        string data = "abcdefghijklmnopqrstuvwxyz";
+        uint32_t framesize = 5;
+        string out[] = {"abcde", "fghij", "klmno", "pqrst", "uvwxy", "z"};
+        load(data, 6, out, framesize);
+    }
+
+    void testWhole()
+    {
+        string data = "abcdefghijklmnopqrstuvwxyz";
+        uint32_t framesize = 50;
+        string out[] = {data};
+        load(data, 1, out, framesize);
+    }
+
+    void testHalved()
+    {
+        string data = "abcdefghijklmnopqrstuvwxyz";
+        uint32_t framesize = 13;
+        string out[] = {"abcdefghijklm", "nopqrstuvwxyz"};
+        load(data, 2, out, framesize);
+    }
+
+    void load(string& in, size_t outCount, string* out, uint32_t framesize)
+    {
+        TestMessageStore store(in);
+        LazyLoadedContent content(&store, 0, in.size());
+        MockChannel channel(3);
+        content.send(channel, framesize);         
+        CPPUNIT_ASSERT_EQUAL(outCount, channel.out.frames.size());
+
+        for (unsigned int i = 0; i < outCount; i++) {
+            AMQContentBody::shared_ptr chunk(dynamic_pointer_cast<AMQContentBody, AMQBody>(channel.out.frames[i].getBody()));
+            CPPUNIT_ASSERT(chunk);
+            CPPUNIT_ASSERT_EQUAL(out[i], chunk->getData());
+            CPPUNIT_ASSERT_EQUAL(
+                ChannelId(3), channel.out.frames[i].getChannel());
+        }
+    }
+};
+
+// Make this test suite a plugin.
+CPPUNIT_PLUGIN_IMPLEMENT();
+CPPUNIT_TEST_SUITE_REGISTRATION(LazyLoadedContentTest);
+