diff --git a/tests/suites/helpers.function b/tests/suites/helpers.function
index 9403d99..fa98d80 100644
--- a/tests/suites/helpers.function
+++ b/tests/suites/helpers.function
@@ -46,6 +46,12 @@
 #include <strings.h>
 #endif
 
+#if defined(MBEDTLS_THREADING_C) && defined(MBEDTLS_THREADING_PTHREAD) && \
+    defined(MBEDTLS_TEST_HOOKS)
+#include "mbedtls/threading.h"
+#define MBEDTLS_TEST_MUTEX_USAGE
+#endif
+
 /*
  * Define the two macros
  *
@@ -777,3 +783,52 @@
     }
     return ret;
 }
+
+/** Mutex usage verification framework.
+ *
+ */
+
+#if defined(MBEDTLS_TEST_MUTEX_USAGE)
+typedef struct
+{
+    void (*init)( mbedtls_threading_mutex_t * );
+    void (*free)( mbedtls_threading_mutex_t * );
+    int (*lock)( mbedtls_threading_mutex_t * );
+    int (*unlock)( mbedtls_threading_mutex_t * );
+} mutex_functions_t;
+static mutex_functions_t mutex_functions;
+
+static void mbedtls_test_wrap_mutex_init( mbedtls_threading_mutex_t *mutex )
+{
+    mutex_functions.init( mutex );
+}
+
+static void mbedtls_test_wrap_mutex_free( mbedtls_threading_mutex_t *mutex )
+{
+    mutex_functions.free( mutex );
+}
+
+static int mbedtls_test_wrap_mutex_lock( mbedtls_threading_mutex_t *mutex )
+{
+    int ret = mutex_functions.lock( mutex );
+    return( ret );
+}
+
+static int mbedtls_test_wrap_mutex_unlock( mbedtls_threading_mutex_t *mutex )
+{
+    return( mutex_functions.unlock( mutex ) );
+}
+
+static void mbedtls_test_mutex_usage_init( void )
+{
+    mutex_functions.init = mbedtls_mutex_init;
+    mutex_functions.free = mbedtls_mutex_free;
+    mutex_functions.lock = mbedtls_mutex_lock;
+    mutex_functions.unlock = mbedtls_mutex_unlock;
+    mbedtls_mutex_init = &mbedtls_test_wrap_mutex_init;
+    mbedtls_mutex_free = &mbedtls_test_wrap_mutex_free;
+    mbedtls_mutex_lock = &mbedtls_test_wrap_mutex_lock;
+    mbedtls_mutex_unlock = &mbedtls_test_wrap_mutex_unlock;
+}
+
+#endif /* MBEDTLS_TEST_MUTEX_USAGE */
diff --git a/tests/suites/host_test.function b/tests/suites/host_test.function
index 1178135..3f8a945 100644
--- a/tests/suites/host_test.function
+++ b/tests/suites/host_test.function
@@ -412,6 +412,10 @@
     mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof( alloc_buf ) );
 #endif
 
+#if defined(MBEDTLS_TEST_MUTEX_USAGE)
+    mbedtls_test_mutex_usage_init( );
+#endif
+
     /*
      * The C standard doesn't guarantee that all-bits-0 is the representation
      * of a NULL pointer. We do however use that in our code for initializing