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