1 files changed, 51 insertions, 0 deletions
diff --git a/cpp/src/tests/MessagingSessionTests.cpp b/cpp/src/tests/MessagingSessionTests.cpp
index d75ff9fdfd..66ce061b73 100644
--- a/cpp/src/tests/MessagingSessionTests.cpp
+++ b/cpp/src/tests/MessagingSessionTests.cpp
@@ -791,6 +791,57 @@ QPID_AUTO_TEST_CASE(testExceptionOnClosedConnection)
     BOOST_CHECK_THROW(connection.createSession(), MessagingException);
 }
 
+QPID_AUTO_TEST_CASE(testAcknowledge)
+{
+    QueueFixture fix;
+    Sender sender = fix.session.createSender(fix.queue);
+    const uint count(20);
+    for (uint i = 0; i < count; ++i) {
+        sender.send(Message((boost::format("Message_%1%") % (i+1)).str()));
+    }
+
+    Session other = fix.connection.createSession();
+    Receiver receiver = other.createReceiver(fix.queue);
+    std::vector<Message> messages;
+    for (uint i = 0; i < count; ++i) {
+        Message msg = receiver.fetch();
+        BOOST_CHECK_EQUAL(msg.getContent(), (boost::format("Message_%1%") % (i+1)).str());
+        messages.push_back(msg);
+    }
+    const uint batch(10); //acknowledge first 10 messages only
+    for (uint i = 0; i < batch; ++i) {    
+        other.acknowledge(messages[i]);
+    }
+    messages.clear();
+    other.sync();
+    other.close();
+
+    other = fix.connection.createSession();
+    receiver = other.createReceiver(fix.queue);    
+    for (uint i = 0; i < (count-batch); ++i) {
+        Message msg = receiver.fetch();
+        BOOST_CHECK_EQUAL(msg.getContent(), (boost::format("Message_%1%") % (i+1+batch)).str());
+        if (i % 2) other.acknowledge(msg); //acknowledge every other message
+    }
+    other.sync();
+    other.close();
+
+    //check unacknowledged messages are still enqueued
+    other = fix.connection.createSession();
+    receiver = other.createReceiver(fix.queue);    
+    for (uint i = 0; i < ((count-batch)/2); ++i) {
+        Message msg = receiver.fetch();
+        BOOST_CHECK_EQUAL(msg.getContent(), (boost::format("Message_%1%") % ((i*2)+1+batch)).str());
+    }
+    other.acknowledge();//acknowledge all messages
+    other.sync();
+    other.close();
+
+    Message m;
+    //check queue is empty
+    BOOST_CHECK(!fix.session.createReceiver(fix.queue).fetch(m, Duration::IMMEDIATE));
+}
+
 QPID_AUTO_TEST_SUITE_END()
 
 }} // namespace qpid::tests