New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/routing/routing_tests/road_graph_builder.hpp

@@ -0,0 +1,45 @@
+#pragma once
+#include "routing_algorithm.hpp"
+
+#include "routing/road_graph.hpp"
+
+#include "routing_common/maxspeed_conversion.hpp"
+#include "routing_common/vehicle_model.hpp"
+
+#include <utility>
+#include <vector>
+
+namespace routing_test
+{
+
+class RoadGraphMockSource : public RoadGraphIFace
+{
+public:
+  void AddRoad(RoadInfo && ri);
+
+  inline size_t GetRoadCount() const { return m_roads.size(); }
+
+  /// @name RoadGraphIFace overrides:
+  /// @{
+  RoadInfo GetRoadInfo(FeatureID const & f, routing::SpeedParams const & speedParams) const override;
+  double GetSpeedKMpH(FeatureID const & featureId, routing::SpeedParams const & speedParams) const override;
+  double GetMaxSpeedKMpH() const override;
+  /// @}
+
+  void ForEachFeatureClosestToCross(m2::PointD const & cross,
+                                    ICrossEdgesLoader & edgeLoader) const override;
+  void GetFeatureTypes(FeatureID const & featureId, feature::TypesHolder & types) const override;
+  void GetJunctionTypes(geometry::PointWithAltitude const & junction,
+                        feature::TypesHolder & types) const override;
+  routing::IRoadGraph::Mode GetMode() const override;
+
+private:
+  std::vector<RoadInfo> m_roads;
+};
+
+FeatureID MakeTestFeatureID(uint32_t offset);
+
+void InitRoadGraphMockSourceWithTest1(RoadGraphMockSource & graphMock);
+void InitRoadGraphMockSourceWithTest2(RoadGraphMockSource & graphMock);
+
+}  // namespace routing_test