* QPID-1488: test that policy pointer is set

* don't flow to disk for null store implementation
* add checks for undeflow in queue policy



git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@721166 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 10 insertions, 0 deletions

diff --git a/cpp/src/qpid/broker/NullMessageStore.cpp b/cpp/src/qpid/broker/NullMessageStore.cpp
index 689ed15707..5a4b23217c 100644
--- a/cpp/src/qpid/broker/NullMessageStore.cpp
+++ b/cpp/src/qpid/broker/NullMessageStore.cpp
@@ -140,5 +140,15 @@ void NullMessageStore::collectPreparedXids(std::set<string>& out)
     out.insert(prepared.begin(), prepared.end());
 }
 
+bool NullMessageStore::isNull() const
+{
+    return true;
+}
+
+bool NullMessageStore::isNullStore(const MessageStore* store)
+{
+    const NullMessageStore* test = dynamic_cast<const NullMessageStore*>(store);
+    return test && test->isNull();
+}
 
 }}  // namespace qpid::broker