chore: improve translation string management (#6502)

radio/src/tests/test_fr.cpp

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) EdgeTX
+ *
+ * Based on code named
+ *   opentx - https://github.com/opentx/opentx
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+// Test language translation file against English base
+
+#include "edgetx.h"
+#include "translations/translation_def.h"
+#include "translations/i18n/fr.h"
+
+// Static string
+#define STR(x) const char TST_STR_##x[] = TR_##x;
+// Static string array
+#define STRARRAY(x) const char* const TST_STR_##x[] = { TR_##x };
+
+#include "translations/string_list.h"