diff --git a/tests/pthreadtest.c b/tests/pthreadtest.c
index 5fbd443..170c1f9 100644
--- a/tests/pthreadtest.c
+++ b/tests/pthreadtest.c
@@ -6,6 +6,12 @@
 
 #include <pthread.h>
 
+#define test_assert(_expr) \
+    if (!(_expr)) { \
+        __assert(__func__, __FILE__, __LINE__, #_expr); \
+    }
+
+
 pthread_mutex_t mtx;
 pthread_cond_t cnd;
 
@@ -25,10 +31,10 @@ thread_lock(void *arg)
 
     for (i = 0; i < 100; i++) {
 	status = pthread_mutex_lock(&mtx);
-	assert(status == 0);
+	test_assert(status == 0);
 	pthread_yield();
 	status = pthread_mutex_unlock(&mtx);
-	assert(status == 0);
+	test_assert(status == 0);
     }
 
     return NULL;
@@ -42,9 +48,9 @@ thread_cond(void *arg)
 
     for (i = 0; i < 100; i++) {
 	status = pthread_cond_wait(&cnd, NULL);
-	assert(status == 0);
+	test_assert(status == 0);
 	status = pthread_cond_signal(&cnd);
-	assert(status == 0);
+	test_assert(status == 0);
     }
 
     return NULL;
@@ -61,76 +67,76 @@ main(int argc, const char *argv[])
     printf("PThread Test\n");
 
     // Simple thread Test
-    printf("simple test\n");
+    printf("simple test: ");
     status = pthread_create(&thr, NULL, thread_simple, NULL);
-    assert(status == 0);
+    test_assert(status == 0);
     status = pthread_join(thr, &result);
-    assert(status == 0);
-    assert(result == NULL);
-    printf("\n");
+    test_assert(status == 0);
+    test_assert(result == NULL);
+    printf("OK\n");
 
     // Return value Test
-    printf("return value test\n");
+    printf("return value test: ");
     status = pthread_create(&thr, NULL, thread_simple, (void *)1);
-    assert(status == 0);
+    test_assert(status == 0);
     status = pthread_join(thr, &result);
-    assert(status == 0);
-    assert(result == (void *)1);
-    printf("\n");
+    test_assert(status == 0);
+    test_assert(result == (void *)1);
+    printf("OK\n");
 
     // Mutex Test
-    printf("simple mutex lock test\n");
+    printf("simple mutex lock test: ");
     status = pthread_mutex_init(&mtx, NULL);
-    assert(status == 0);
+    test_assert(status == 0);
     status = pthread_mutex_lock(&mtx);
-    assert(status == 0);
+    test_assert(status == 0);
     status = pthread_mutex_unlock(&mtx);
-    assert(status == 0);
+    test_assert(status == 0);
     status = pthread_mutex_destroy(&mtx);
-    assert(status == 0);
-    printf("\n");
+    test_assert(status == 0);
+    printf("OK\n");
 
     // Mutex Contention Test
-    printf("contended mutex lock test\n");
+    printf("contended mutex lock test: ");
     pthread_mutex_init(&mtx, NULL);
     status = pthread_create(&thr, NULL, thread_lock, (void *)1);
-    assert(status == 0);
+    test_assert(status == 0);
     for (i = 0; i < 100; i++) {
 	status = pthread_mutex_lock(&mtx);
-	assert(status == 0);
+	test_assert(status == 0);
 	pthread_yield();
 	pthread_mutex_unlock(&mtx);
-	assert(status == 0);
+	test_assert(status == 0);
     }
     status = pthread_join(thr, &result);
-    assert(status == 0);
+    test_assert(status == 0);
     status = pthread_mutex_destroy(&mtx);
-    assert(status == 0);
-    printf("\n");
+    test_assert(status == 0);
+    printf("OK\n");
 
     // Condition Variable Test
-    printf("simple condition variable test\n");
+    printf("simple condition variable test: ");
     status = pthread_cond_init(&cnd, NULL);
-    assert(status == 0);
+    test_assert(status == 0);
     status = pthread_cond_signal(&cnd);
-    assert(status == 0);
+    test_assert(status == 0);
     status = pthread_cond_wait(&cnd, NULL);
-    assert(status == 0);
+    test_assert(status == 0);
     status = pthread_cond_destroy(&cnd);
-    assert(status == 0);
-    printf("\n");
+    test_assert(status == 0);
+    printf("OK\n");
 
-    printf("threaded condition variable test\n");
+    printf("threaded condition variable test: OK");
     status = pthread_cond_init(&cnd, NULL);
-    assert(status == 0);
+    test_assert(status == 0);
     for (i = 0; i < 100; i++) {
 	status = pthread_cond_signal(&cnd);
-	assert(status == 0);
+	test_assert(status == 0);
 	status = pthread_cond_wait(&cnd, NULL);
-	assert(status == 0);
+	test_assert(status == 0);
     }
     status = pthread_cond_destroy(&cnd);
-    assert(status == 0);
+    test_assert(status == 0);
     printf("\n");
 
     printf("Success!\n");