1 files changed, 4 insertions, 0 deletions
diff --git a/tests/mutex2.c b/tests/mutex2.c
index b161899..731c47f 100644
--- a/tests/mutex2.c
+++ b/tests/mutex2.c
@@ -26,5 +26,9 @@ main()
 
   assert(pthread_mutex_unlock(&mutex) == 0);
 
+  assert(pthread_mutex_destroy(&mutex) == 0);
+
+  assert(mutex == NULL);
+
   return 0;
 }