public void EnumerateParents()
{
var map_a = Orbit.BuildOrbitMap(MAP_A);
map_a["L"].Parents().Select(o => o.Key).Should().ContainInOrder("K", "J", "E", "D", "C", "B", "COM");
map_a["I"].Parents().Select(o => o.Key).Should().ContainInOrder("D", "C", "B", "COM");
}
public void TransferCountShouldBeCorrect()
{
var orbit = Orbit.BuildOrbitMap(MAP_B);
var distance = orbit.TransfersBetween("YOU", "SAN");
distance.Should().Be(4);
orbit = Orbit.BuildOrbitMap(MAP_C);
distance = orbit.TransfersBetween("YOU", "SAN");
distance.Should().Be(7);
}
public void BuildPart1ExampleMap()
{
var orbit = Orbit.BuildOrbitMap(MAP_A);
orbit.Key.Should().Be("COM");
orbit.Parent.Should().Be(orbit);
orbit["B"].Children.Select(o => o.Key).Should().ContainInOrder("C", "G");
orbit["L"].Parent.Should().Be(orbit["K"]);
orbit["L"].Depth.Should().Be(7);
orbit["D"].Depth.Should().Be(3);
orbit.TotalOrbits().Should().Be(42);
}
static void Day6()
{
WriteLine("--- Day 6: Universal Orbit Map ---");
var map = "Day6/input.txt".ReadLines();
var orbit = Orbit.BuildOrbitMap(map);
var result = orbit.TotalOrbits();
WriteLine(result);
var distance = orbit.TransfersBetween("YOU", "SAN");
WriteLine(distance);
}