diff --git a/src/core/strings/str8/str8.h b/src/core/strings/str8/str8.h
index 3f26b2d..c497dcb 100644
--- a/src/core/strings/str8/str8.h
+++ b/src/core/strings/str8/str8.h
@@ -14,6 +14,8 @@ struct str8 {
   u8 *buf;
 };
 
+#define wapp_str8_buf(CAPACITY) ((Str8){.capacity = CAPACITY, .size = 0, .buf = (u8[CAPACITY]){0}})
+
 Str8 wapp_str8_lit(char *str);
 char wapp_str8_get(const Str8 *str, u64 index);
 void wapp_str8_set(Str8 *str, u64 index, char c);
diff --git a/tests/wapptest.c b/tests/wapptest.c
index fba7127..3167607 100644
--- a/tests/wapptest.c
+++ b/tests/wapptest.c
@@ -1,3 +1,4 @@
+#include "str8/test_str8.h"
 #include "test_allocator.h"
 #include "test_arena.h"
 #include "test_cpath.h"
@@ -5,13 +6,16 @@
 #include "tester.h"
 #include <stdlib.h>
 
+
+
 int main(void) {
   wapp_tester_run_tests(test_libc_allocator, test_arena_allocator, test_arena_init,
-                        test_arena_init_succeeds_when_reserving_very_large_size, test_cpath_join_path,
-                        test_cpath_dirname, test_cpath_dirup, test_arena_alloc_succeeds_when_within_capacity,
-                        test_arena_alloc_fails_when_over_capacity, test_arena_realloc_bigger_size,
-                        test_arena_realloc_smaller_size, test_arena_clear, test_arena_destroy,
-                        test_commander_cmd_success, test_commander_cmd_failure,
+                        test_arena_init_succeeds_when_reserving_very_large_size, test_str8_lit,
+                        test_str8_buf, test_str8_get_index_within_bounds, test_str8_get_index_out_of_bounds,
+                        test_str8_set, test_cpath_join_path, test_cpath_dirname, test_cpath_dirup,
+                        test_arena_alloc_succeeds_when_within_capacity, test_arena_alloc_fails_when_over_capacity,
+                        test_arena_realloc_bigger_size, test_arena_realloc_smaller_size, test_arena_clear,
+                        test_arena_destroy, test_commander_cmd_success, test_commander_cmd_failure,
                         test_commander_cmd_out_buf_success, test_commander_cmd_out_buf_failure);
 
   return EXIT_SUCCESS;