/// <summary>
/// main method
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
Console.WriteLine("loading map data...");
MapConfigInfo mapConfigInfo = new MapConfigInfo();
string lineMapStr = mapConfigInfo.GetMapConfigInfo();
StationMap stationMap = StationMap.GetCurrentMap(lineMapStr);
if (stationMap == null || stationMap.GetStationMap == null)
{
Console.WriteLine("build map error");
Console.WriteLine("press any key to exit.");
Console.ReadKey();
Environment.Exit(0);
}
List <Station> stations = stationMap.GetStationMap;
Console.WriteLine("1. The distance of the route A-B-C.");
Console.WriteLine("2. The distance of the route A - D.");
Console.WriteLine("3. The distance of the route A - D - C.");
Console.WriteLine("4. The distance of the route A - E - B - C - D.");
Console.WriteLine("5. The distance of the route A - E - D.");
Console.WriteLine("6. The number of trips starting at C and ending at C with a maximum of 3 stops.In the sample data below, there are two such trips: C - D - C(2 stops).and C - E - B - C(3 stops).");
Console.WriteLine("7. The number of trips starting at A and ending at C with exactly 4 stops.In the sample data below, there are three such trips: A to C(via B, C, D); A to C(via D, C, D); and A to C(via D, E, B).");
Console.WriteLine("8. The length of the shortest route(in terms of distance to travel) from A to C.");
Console.WriteLine("9. The length of the shortest route(in terms of distance to travel) from B to B.");
Console.WriteLine("10.The number of different routes from C to C with a distance of less than 30.In the sample data, the trips are: CDC, CEBC, CEBCDC, CDCEBC, CDEBC, CEBCEBC, CEBCEBCEBC.");
Console.WriteLine("");
Console.WriteLine("please wait....");
Console.WriteLine("");
//calculate distance of the route
Console.WriteLine($"Output #1: { BusinessException.TryRun(() => { return stationMap.Distance(new string[] { "A", "B", "C" }); }) }");
Console.WriteLine($"Output #2: { BusinessException.TryRun(() => { return stationMap.Distance(new string[] { "A", "D" }); }) }");
Console.WriteLine($"Output #3: { BusinessException.TryRun(() => { return stationMap.Distance(new string[] { "A", "D", "C" }); }) }");
Console.WriteLine($"Output #4: { BusinessException.TryRun(() => { return stationMap.Distance(new string[] { "A", "E", "B", "C", "D" }); }) }");
Console.WriteLine($"Output #5: { BusinessException.TryRun(() => { return stationMap.Distance(new string[] { "A", "E", "D" }); }) }");
//calculate number of trips
Console.WriteLine($"Output #6: { BusinessException.TryRun(() => { return stationMap.NumberOfTripsWithStopLimit("C", "C", 1, 3); }) }");
Console.WriteLine($"Output #7: { BusinessException.TryRun(() => { return stationMap.NumberOfTripsWithStopLimit("A", "C", 4, 4); }) }");
////calculate calculate
Console.WriteLine($"Output #8: { BusinessException.TryRun(() => { return stationMap.LengthOfShortestRoute("A", "C"); }) }");
Console.WriteLine($"Output #9: { BusinessException.TryRun(() => { return stationMap.LengthOfShortestRoute("B", "B"); }) }");
Console.WriteLine($"Output #10:{ BusinessException.TryRun(() => { return stationMap.NumberOfRouteWithDistanceLimit("C", "C", 30); }) }");
Console.WriteLine("");
Console.WriteLine("press any key to exit.");
Console.ReadKey();
}
public void DistanceTest()
{
var testRoute = new string[] { "A", "B", "C" };
var distance = stationMap.Distance(testRoute);
Assert.True(distance == 9);
testRoute = new string[] { "A", "D" };
distance = stationMap.Distance(testRoute);
Assert.True(distance == 5);
testRoute = new string[] { "A", "D", "C" };
distance = stationMap.Distance(testRoute);
Assert.True(distance == 13);
testRoute = new string[] { "A", "E", "B", "C", "D" };
distance = stationMap.Distance(testRoute);
Assert.True(distance == 22);
testRoute = new string[] { "A", "E", "D" };
var excetion = Assert.Throws <BusinessException>(() => { stationMap.Distance(testRoute); });
Assert.That(excetion.Message, Is.EqualTo("NO SUCH ROUTE"));
}
