@@ -30,20 +30,21 @@
 	    OFMemoryNotPartOfObjectException, [obj freeMemory: (void*)1])
 
 	TEST(@"Allocating 4096 bytes",
 	    (p = [obj allocMemoryWithSize: 4096]) != NULL)
 
-	TEST(@"Freeing memory", [obj freeMemory: p])
+	TEST(@"Freeing memory", R([obj freeMemory: p]))
 
 	EXPECT_EXCEPTION(@"Detect freeing of memory twice",
 	    OFMemoryNotPartOfObjectException, [obj freeMemory: p])
 
 	TEST(@"Allocating and freeing 4096 bytes 3 times",
 	    (p = [obj allocMemoryWithSize: 4096]) != NULL &&
 	    (q = [obj allocMemoryWithSize: 4096]) != NULL &&
 	    (r = [obj allocMemoryWithSize: 4096]) != NULL &&
-	    [obj freeMemory: p] && [obj freeMemory: q] && [obj freeMemory: r])
+	    R([obj freeMemory: p]) && R([obj freeMemory: q]) &&
+	    R([obj freeMemory: r]))
 
 	EXPECT_EXCEPTION(@"Detect out of memory on alloc",
 	    OFOutOfMemoryException, [obj allocMemoryWithSize: SIZE_MAX])
 
 	EXPECT_EXCEPTION(@"Detect out of memory on resize",