Refactor to remove dependency of DrivenEngine on World

luprex/cpp/core/eng-tests.cpp

@@ -23,7 +23,7 @@ static void dump_lines(StreamBuffer *in, int chid) {
 class DriverWebServerTest : public DrivenEngine {
 public:
     eng::vector<SharedChannel> channels_;
-    DriverWebServerTest() {
+    DriverWebServerTest(EngineWrapper *) {
         SharedChannel ch = new_outgoing_channel("cert:stanford.edu:443");
         ch->out()->write_bytes("GET https://stanford.edu/xbanankjdsh.html HTTP/1.1\n\n");
         channels_.emplace_back(std::move(ch));
@@ -47,7 +47,7 @@ public:
 class DriverDNSFailTest : public DrivenEngine {
 public:
     eng::vector<SharedChannel> channels_;
-    DriverDNSFailTest() {
+    DriverDNSFailTest(EngineWrapper *) {
         SharedChannel ch = new_outgoing_channel("akjsdkajshdakjshd.alk:80");
         ch->out()->write_bytes("GET http://stanford.edu/index.html HTTP/1.1\n\n");
         channels_.emplace_back(std::move(ch));
@@ -72,7 +72,7 @@ class DriverPrintClockTest : public DrivenEngine {
 public:
     int count_;
     double last_clock_;
-    DriverPrintClockTest() {
+    DriverPrintClockTest(EngineWrapper *) {
         count_ = 0;
         last_clock_ = 0.0;
     }
@@ -93,7 +93,7 @@ class RunUnitTests : public DrivenEngine {
 public:
     UniqueWorld world_;
 
-    RunUnitTests() {
+    RunUnitTests(EngineWrapper *) {
         world_.reset(new World(WORLD_TYPE_MASTER));
         rescan_lua_source(true);
     }