5dplomacy/MultiversalDiplomacyTests/Model/TimelineFactoryTest.cs

using MultiversalDiplomacy.Model;

using NUnit.Framework;

namespace MultiversalDiplomacyTests.Model;

public class TimelineFactoryTest
{
    [TestCase(0, "a")]
    [TestCase(1, "b")]
    [TestCase(25, "z")]
    [TestCase(26, "aa")]
    [TestCase(27, "ab")]
    [TestCase(51, "az")]
    [TestCase(52, "ba")]
    [TestCase(53, "bb")]
    [TestCase(77, "bz")]
    [TestCase(78, "ca")]
    public void RoundTripTimelineKeys(int number, string designation)
    {
        Assert.That(TimelineFactory.IntToString(number), Is.EqualTo(designation), "Incorrect string");
        Assert.That(TimelineFactory.StringToInt(designation), Is.EqualTo(number), "Incorrect number");
    }

    [Test]
    public void NoSharedFactoryState()
    {
        TimelineFactory one = new();
        TimelineFactory two = new();

        Assert.That(one.NextTimeline(), Is.EqualTo("a"));
        Assert.That(one.NextTimeline(), Is.EqualTo("b"));
        Assert.That(one.NextTimeline(), Is.EqualTo("c"));

        Assert.That(two.NextTimeline(), Is.EqualTo("a"));
        Assert.That(two.NextTimeline(), Is.EqualTo("b"));
    }
}