Lots of work on printbuffers

luprex/core/cpp/drivertests.cpp

@@ -1,5 +1,6 @@
 #include "drivertests.hpp"
 #include "drivenengine.hpp"
+#include "world.hpp"
 #include <iomanip>
 
 static void write_closed_message(Channel *ch, StreamBuffer *out) {
@@ -127,6 +128,21 @@ public:
     }
 };
 
+
+class RunUnitTests : public DrivenEngine {
+private:
+    UniqueWorld world_;
+
+    void event_init(int argc, char *argv[])
+    {
+        world_.reset(new World(util::WORLD_TYPE_STANDALONE));
+        world_->update_source(get_lua_source());
+        world_->run_unittests();
+        stop_driver();
+    }
+};
+
+
 UniqueDrivenEngine make_DriverListenTest() {
     return UniqueDrivenEngine(new DriverListenTest);
 }
@@ -143,4 +159,7 @@ UniqueDrivenEngine make_DriverPrintClockTest() {
     return UniqueDrivenEngine(new DriverPrintClockTest);
 }
 
+UniqueDrivenEngine make_RunUnitTests() {
+    return UniqueDrivenEngine(new RunUnitTests);
+}