Function UNIT_TEST

libs/routing/routing_tests/index_graph_test.cpp:132–177

R4 (one way down) R1 J2--------J3 -1 ^ v ^ v R0 *---J0----*---J1----* 0 ^ v ^ v R2 J4--------J5 1 R3 (one way up) y x: 0 1 2 3 4

// x: 0    1    2    3    4
//
UNIT_TEST(EdgesTest)
{
  unique_ptr<TestGeometryLoader> loader = make_unique<TestGeometryLoader>();
  loader->AddRoad(0 /* featureId */, false, 1.0 /* speed */,
                  RoadGeometry::Points({{0.0, 0.0}, {1.0, 0.0}, {2.0, 0.0}, {3.0, 0.0}, {4.0, 0.0}}));
  loader->AddRoad(1 /* featureId */, false, 1.0 /* speed */, RoadGeometry::Points({{1.0, -1.0}, {3.0, -1.0}}));
  loader->AddRoad(2 /* featureId */, false, 1.0 /* speed */, RoadGeometry::Points({{1.0, -1.0}, {3.0, -1.0}}));
  loader->AddRoad(3 /* featureId */, true, 1.0 /* speed */,
                  RoadGeometry::Points({{1.0, 1.0}, {1.0, 0.0}, {1.0, -1.0}}));
  loader->AddRoad(4 /* featureId */, true, 1.0 /* speed */,
                  RoadGeometry::Points({{3.0, -1.0}, {3.0, 0.0}, {3.0, 1.0}}));

  traffic::TrafficCache const trafficCache;
  IndexGraph graph(make_shared<Geometry>(std::move(loader)), CreateEstimatorForCar(trafficCache));

  vector<Joint> joints;
  joints.emplace_back(MakeJoint({{0, 1}, {3, 1}}));  // J0
  joints.emplace_back(MakeJoint({{0, 3}, {4, 1}}));  // J1
  joints.emplace_back(MakeJoint({{1, 0}, {3, 2}}));  // J2
  joints.emplace_back(MakeJoint({{1, 1}, {4, 0}}));  // J3
  joints.emplace_back(MakeJoint({{2, 0}, {3, 0}}));  // J4
  joints.emplace_back(MakeJoint({{2, 1}, {4, 2}}));  // J5
  graph.Import(joints);

  TestOutgoingEdges(graph, {kTestNumMwmId, 0 /* featureId */, 0 /* segmentIdx */, true /* forward */},
                    {{kTestNumMwmId, 0, 0, false}, {kTestNumMwmId, 0, 1, true}, {kTestNumMwmId, 3, 1, true}});
  TestIngoingEdges(graph, {kTestNumMwmId, 0, 0, true}, {{kTestNumMwmId, 0, 0, false}});
  TestOutgoingEdges(graph, {kTestNumMwmId, 0, 0, false}, {{kTestNumMwmId, 0, 0, true}});
  TestIngoingEdges(graph, {kTestNumMwmId, 0, 0, false},
                   {{kTestNumMwmId, 0, 0, true}, {kTestNumMwmId, 0, 1, false}, {kTestNumMwmId, 3, 0, true}});

  TestOutgoingEdges(graph, {kTestNumMwmId, 0, 2, true},
                    {{kTestNumMwmId, 0, 2, false}, {kTestNumMwmId, 0, 3, true}, {kTestNumMwmId, 4, 1, true}});
  TestIngoingEdges(graph, {kTestNumMwmId, 0, 2, true}, {{kTestNumMwmId, 0, 1, true}});
  TestOutgoingEdges(graph, {kTestNumMwmId, 0, 2, false}, {{kTestNumMwmId, 0, 1, false}});
  TestIngoingEdges(graph, {kTestNumMwmId, 0, 2, false},
                   {{kTestNumMwmId, 0, 2, true}, {kTestNumMwmId, 0, 3, false}, {kTestNumMwmId, 4, 0, true}});

  TestOutgoingEdges(graph, {kTestNumMwmId, 3, 0, true},
                    {{kTestNumMwmId, 3, 1, true}, {kTestNumMwmId, 0, 0, false}, {kTestNumMwmId, 0, 1, true}});
  TestIngoingEdges(graph, {kTestNumMwmId, 3, 0, true}, {{kTestNumMwmId, 2, 0, false}});

  TestOutgoingEdges(graph, {kTestNumMwmId, 4, 1, true}, {{kTestNumMwmId, 2, 0, false}});
  TestIngoingEdges(graph, {kTestNumMwmId, 4, 1, true},
                   {{kTestNumMwmId, 4, 0, true}, {kTestNumMwmId, 0, 2, true}, {kTestNumMwmId, 0, 3, false}});
}

//  Roads     R1:
//