Actually use write_result

1 files changed, 1 insertions, 0 deletions

diff --git a/testing/Messenger_test.c b/testing/Messenger_test.c
index ad86184d..24a78abb 100644
--- a/testing/Messenger_test.c
+++ b/testing/Messenger_test.c
@@ -139,6 +139,7 @@ int main(int argc, char *argv[])
         uint8_t * buffer = malloc(Messenger_size());
         Messenger_save(buffer);
         size_t write_result = fwrite(buffer, 1, Messenger_size(), file);
+        if (write_result < Messenger_size()) {return 1;}
         free(buffer);
         fclose(file);
     }