using Nonemm.Session;

namespace Nonemm.Session.Tests;

public class GrabListTests
{
    [Fact]
    public void TheNewestCallIsAtTheTop()
    {
        GrabList list = new();

        list.Add("OM5M");
        list.Add("S53M");

        Assert.Equal(["S53M", "OM5M"], list.Calls);
    }

    [Fact]
    public void ACallHeardAgainMovesRatherThanRepeating()
    {
        GrabList list = new();
        list.Add("OM5M");
        list.Add("S53M");

        list.Add("OM5M");

        Assert.Equal(["OM5M", "S53M"], list.Calls);
    }

    [Fact]
    public void TheOldestFallsOffTheEnd()
    {
        GrabList list = new(capacity: 2);

        list.Add("OM5M");
        list.Add("S53M");
        list.Add("9A1A");

        Assert.Equal(["9A1A", "S53M"], list.Calls);
    }

    [Fact]
    public void OurOwnCallAndTheOneBeingTypedAreNotWanted()
    {
        Assert.False(GrabList.Wanted("OM5M", "OM5M", ""));
        Assert.False(GrabList.Wanted("S53M", "OM5M", "S53M"));
        Assert.False(GrabList.Wanted("OM5", "OM5M", ""));
        Assert.True(GrabList.Wanted("S53M", "OM5M", "9A1A"));
    }
}