Files
AdventOfCode/AdventOfCode2023.Tests/Day05_Tests.cs

92 lines
2.4 KiB
C#

namespace AdventOfCode2023.Tests;
public class Day05_Tests
{
private readonly string[] _example = {
"seeds: 79 14 55 13",
"",
"seed-to-soil map:",
"50 98 2",
"52 50 48",
"",
"soil-to-fertilizer map:",
"0 15 37",
"37 52 2",
"39 0 15",
"",
"fertilizer-to-water map:",
"49 53 8",
"0 11 42",
"42 0 7",
"57 7 4",
"",
"water-to-light map:",
"88 18 7",
"18 25 70",
"",
"light-to-temperature map:",
"45 77 23",
"81 45 19",
"68 64 13",
"",
"temperature-to-humidity map:",
"0 69 1",
"1 0 69",
"",
"humidity-to-location map:",
"60 56 37",
"56 93 4",
};
[Fact]
public void ResolvePart1__Example()
{
Day05 day = new();
string result = day.ResolvePart1(_example);
Assert.Equal("35", result);
}
[Fact]
public void AlamanacMapping_ParseNext__Empty__Null()
{
Day05.LinesReader reader = new(Array.Empty<string>());
Day05.AlmanacMapping? mapping = Day05.AlmanacMapping.ParseNext(reader);
Assert.Null(mapping);
}
[Fact]
public void AlamanacMapping_ParseNext__Example1()
{
Day05.LinesReader reader = new(new[] {
"seed-to-soil map:",
"50 98 2",
"52 50 48",
});
Day05.AlmanacMapping? mapping = Day05.AlmanacMapping.ParseNext(reader);
Assert.NotNull(mapping);
Assert.Equal("seed-to-soil", mapping.Name);
Assert.Equal(2, mapping.RangeMappings.Count);
Assert.Equal(50, mapping.RangeMappings[0].DestinationStart);
Assert.Equal(98, mapping.RangeMappings[0].OriginStart);
Assert.Equal(2, mapping.RangeMappings[0].Lenght);
Assert.Equal(52, mapping.RangeMappings[1].DestinationStart);
Assert.Equal(50, mapping.RangeMappings[1].OriginStart);
Assert.Equal(48, mapping.RangeMappings[1].Lenght);
long value1 = 100;
long valueMapped1 = mapping.Apply(value1);
Assert.Equal(100, valueMapped1);
long value2 = 99;
long valueMapped2 = mapping.Apply(value2);
Assert.Equal(51, valueMapped2);
long value3 = 45;
long valueMapped3 = mapping.Apply(value3);
Assert.Equal(45, valueMapped3);
}
}