59 lines
2.3 KiB
C#
59 lines
2.3 KiB
C#
using MultiversalDiplomacy.Adjudicate;
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using MultiversalDiplomacy.Adjudicate.Decision;
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using MultiversalDiplomacy.Model;
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using NUnit.Framework;
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namespace MultiversalDiplomacyTests;
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public class TimeTravelTest
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{
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[Test]
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public void MoveIntoOwnPast()
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{
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TestCaseBuilder setup = new(World.WithStandardMap());
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// Hold once so the timeline has a past.
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setup[(0, 0)]
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.GetReference(out Season s0)
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["Germany"]
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.Army("Mun").Holds().GetReference(out var mun0);
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setup.ValidateOrders(MovementPhaseAdjudicator.Instance);
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setup.AdjudicateOrders(MovementPhaseAdjudicator.Instance);
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setup.UpdateWorld(MovementPhaseAdjudicator.Instance);
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// Move into the past of the same timeline.
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setup[(1, 0)]
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.GetReference(out Season s1)
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["Germany"]
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.Army("Mun").MovesTo("Tyr", season: s0).GetReference(out var mun1);
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setup.ValidateOrders(MovementPhaseAdjudicator.Instance);
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Assert.That(mun1, Is.Valid);
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setup.AdjudicateOrders(MovementPhaseAdjudicator.Instance);
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Assert.That(mun1, Is.Victorious);
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World world = setup.UpdateWorld(MovementPhaseAdjudicator.Instance);
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// Confirm that there are now three seasons: the root, a future off the root, and a fork.
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Assert.That(world.Seasons.Count, Is.EqualTo(3));
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Assert.That(world.Seasons.Where(s => s.Timeline != s0.Timeline).Count(), Is.EqualTo(1));
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Season fork = world.Seasons.Where(s => s.Timeline != s0.Timeline).Single();
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Assert.That(s0.Futures, Contains.Item(s1));
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Assert.That(s0.Futures, Contains.Item(fork));
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Assert.That(fork.Past, Is.EqualTo(s0));
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// Confirm that there is a unit in Tyr 1:1 originating from Mun 1:0
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Unit originalUnit = world.GetUnitAt("Mun", s0.Coord);
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Unit aMun0 = world.GetUnitAt("Mun", s1.Coord);
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Unit aTyr = world.GetUnitAt("Tyr", fork.Coord);
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Assert.That(aTyr.Past, Is.EqualTo(mun1.Order.Unit));
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Assert.That(aTyr.Past?.Past, Is.EqualTo(mun0.Order.Unit));
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// Confirm that there is a unit in Mun 1:1 originating from Mun 0:0
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Unit aMun1 = world.GetUnitAt("Mun", fork.Coord);
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Assert.That(aMun1.Past, Is.EqualTo(originalUnit));
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}
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}
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