Getting "(null)" when formatted printing NULL is a valid result

test/testautomation_platform.c

@@ -384,7 +384,7 @@ int platform_testSetErrorInvalidInput(void *arg)
    if (lastError != NULL)
    {
      len = SDL_strlen(lastError);
-     SDLTest_AssertCheck(len == 0,
+     SDLTest_AssertCheck(len == 0 || SDL_strcmp(lastError, "(null)") == 0,
              "SDL_GetError(): expected message len 0, was len: %i",
              (int) len);
    }
@@ -404,7 +404,7 @@ int platform_testSetErrorInvalidInput(void *arg)
    if (lastError != NULL)
    {
      len = SDL_strlen(lastError);
-     SDLTest_AssertCheck(len == 0,
+     SDLTest_AssertCheck(len == 0 || SDL_strcmp( lastError, "(null)" ) == 0,
              "SDL_GetError(): expected message len 0, was len: %i",
              (int) len);
    }