Initial commit

test/system/null_osystem.cpp

@@ -0,0 +1,43 @@
+#define FORBIDDEN_SYMBOL_EXCEPTION_abort
+
+#define USE_NULL_DRIVER 1
+#define NULL_DRIVER_USE_FOR_TEST 1
+#include "null_osystem.h"
+#include "../backends/platform/null/null.cpp"
+
+//#define DISPLAY_ERROR_MESSAGES
+
+void Common::install_null_g_system() {
+#ifdef DISPLAY_ERROR_MESSAGES
+	const bool silenceLogs = false;
+#else
+	const bool silenceLogs = true;
+#endif
+
+	g_system = OSystem_NULL_create(silenceLogs);
+}
+
+void OSystem_NULL::quit() {
+	abort();
+}
+
+bool BaseBackend::setScaler(const char *name, int factor) {
+	return false;
+}
+
+void BaseBackend::displayMessageOnOSD(const Common::U32String &msg) {
+}
+
+void BaseBackend::initBackend() {
+	OSystem::initBackend();
+}
+
+void BaseBackend::fillScreen(uint32 col) {
+}
+
+void BaseBackend::fillScreen(const Common::Rect &r, uint32 col) {
+}
+
+void EventsBaseBackend::initBackend() {
+	BaseBackend::initBackend();
+}