adt unit test - fix memory pool test

lib/include/srsran/adt/circular_buffer.h

@@ -251,15 +251,18 @@ public:
   base_blocking_queue(PushingFunc push_func_, PoppingFunc pop_func_, Args&&... args) :
     circ_buffer(std::forward<Args>(args)...), push_func(push_func_), pop_func(pop_func_)
   {}
+  base_blocking_queue(const base_blocking_queue&) = delete;
+  base_blocking_queue(base_blocking_queue&&)      = delete;
+  base_blocking_queue& operator=(const base_blocking_queue&) = delete;
+  base_blocking_queue& operator=(base_blocking_queue&&) = delete;
 
   void stop()
   {
     std::unique_lock<std::mutex> lock(mutex);
     if (active) {
       active = false;
-      if (nof_waiting == 0) {
-        return;
-      }
+      if (nof_waiting > 0) {
+        // Stop pending pushing/popping threads
         do {
           lock.unlock();
           cvar_empty.notify_all();
@@ -268,6 +271,10 @@ public:
           lock.lock();
         } while (nof_waiting > 0);
       }
+
+      // Empty queue
+      circ_buffer.clear();
+    }
   }
 
   bool                  try_push(const T& t) { return push_(t, false); }
@@ -284,7 +291,6 @@ public:
   bool pop_wait_until(T& obj, const std::chrono::system_clock::time_point& until) { return pop_(obj, true, &until); }
   void clear()
   {
-    std::lock_guard<std::mutex> lock(mutex);
     T obj;
     while (pop_(obj, false)) {
     }

lib/test/adt/mem_pool_test.cc

@@ -115,6 +115,7 @@ void test_fixedsize_pool()
     fixed_pool->print_all_buffers();
   }
   fixed_pool->print_all_buffers();
+  TESTASSERT(C::default_ctor_counter == C::dtor_counter);
 
   // TEST: one thread allocates, and the other deallocates
   {