public void TestFindNeighboursSorted()
{
var cities = new Cities();
cities.ReadCities(CitiesTestFile);
var loc = cities[0].Location;
var neighbors = cities.FindNeighbours(loc, 2000);
Assert.AreEqual(4, neighbors.Count);
//verify the correct order (sorted by distance)
Assert.AreEqual("Mumbai", neighbors[0].Name);
Assert.AreEqual("Karachi", neighbors[1].Name);
Assert.IsTrue(loc.Distance(neighbors[0].Location) <= loc.Distance(neighbors[1].Location));
Assert.AreEqual("Dilli", neighbors[2].Name);
Assert.IsTrue(loc.Distance(neighbors[1].Location) <= loc.Distance(neighbors[2].Location));
Assert.AreEqual("Dhaka", neighbors[3].Name);
Assert.IsTrue(loc.Distance(neighbors[2].Location) <= loc.Distance(neighbors[3].Location));
}
public void TestFindNeighbours()
{
var cities = new Cities();
cities.ReadCities(CitiesTestFile);
var loc = cities[0].Location;
var neighbors = cities.FindNeighbours(loc, 2000);
Assert.AreEqual(4, neighbors.Count);
//verifies if the correct cities were found
Assert.IsNotNull(neighbors.First(c=>c.Name == "Mumbai"));
Assert.IsNotNull(neighbors.First(c => c.Name == "Karachi"));
Assert.IsNotNull(neighbors.First(c => c.Name == "Dhaka"));
Assert.IsNotNull(neighbors.First(c => c.Name == "Dilli"));
}