[Routing] Integration test for mini-roundabouts.

routing/routing_integration_tests/CMakeLists.txt

@@ -15,6 +15,7 @@ set(
   online_cross_tests.cpp
   pedestrian_route_test.cpp
   road_graph_tests.cpp
+  roundabouts_tests.cpp
   route_test.cpp
   routing_test_tools.cpp
   routing_test_tools.hpp

routing/routing_integration_tests/roundabouts_tests.cpp

@@ -0,0 +1,42 @@
+#include "testing/testing.hpp"
+
+#include "routing/routing_integration_tests/routing_test_tools.hpp"
+
+#include "routing/route.hpp"
+#include "routing/routing_callbacks.hpp"
+
+#include "geometry/latlon.hpp"
+
+#include <vector>
+
+using namespace routing;
+
+namespace
+{
+struct RouteData
+{
+  ms::LatLon m_start;
+  ms::LatLon m_finish;
+  double m_routeLengthM;
+};
+
+UNIT_TEST(MiniRoundabout_CalculateRoute)
+{
+  std::vector<RouteData> const routesWithMiniRoundabouts{
+      {{51.45609, 0.05974}, {51.45562, 0.06005}, 61.3},
+      {{51.49746, -0.40027}, {51.49746, -0.40111}, 63.1},
+      {{55.98700, -3.38256}, {55.98665, -3.38260}, 43.6},
+      {{52.22163, 21.09296}, {52.22189, 21.09286}, 41.5}};
+
+  for (auto const & route : routesWithMiniRoundabouts)
+  {
+    TRouteResult const routeResult = integration::CalculateRoute(
+        integration::GetVehicleComponents(VehicleType::Car), mercator::FromLatLon(route.m_start),
+        {0.0, 0.0}, mercator::FromLatLon(route.m_finish));
+
+    TEST_EQUAL(routeResult.second, RouterResultCode::NoError, ());
+
+    integration::TestRouteLength(*routeResult.first, route.m_routeLengthM);
+  }
+}
+}  // namespace