fix: add return code to tests

build/build.py

@@ -258,7 +258,8 @@ def run_tests():
     directory.
     '''
     compile_executable(Compilation_Mode.Test)
-    subprocess.call([get_target_name(Compilation_Mode.Test)])
+    return_code = subprocess.call([get_target_name(Compilation_Mode.Test)])
+    exit(return_code)
 
 
 def main():

test/main.c

@@ -22,7 +22,7 @@ main (const int argc, const char *const argv[])
   t_run (test_add);
   t_end_tests ();
 
-  return EXIT_SUCCESS;
+  t_exit ();
 }
 
 

test/test.h

@@ -2,6 +2,7 @@
 #define TEST_H_
 
 
+#include <stdlib.h>
 #include "common.h"
 #include "log.h"
 
@@ -53,4 +54,9 @@ typedef struct {
     }                                                                          \
   } while (0)
 
+#define t_exit()                                                               \
+  do {                                                                         \
+    exit (__test_results.failure == 0u ? EXIT_SUCCESS : EXIT_FAILURE);         \
+  } while (0)
+
 #endif // TEST_H_