GodotComponentTest/tests/HexGridTests.cs

using Godot;
using GoDotTest;
using System.Diagnostics;

public class HexGridTests : TestClass
{
    public HexGridTests(Node testScene) : base(testScene)
    {
    }

    [Test]
    public void TestGetAt()
    {
        HexGrid grid = new HexGrid();
        float w = grid.HexSize.x;
        float h = grid.HexSize.y;

        Debug.Assert(grid.GetHexAt(new Vector2(0, 0)).AxialCoords == new Vector2(0, 0));
        Debug.Assert(grid.GetHexAt(new Vector2(w / 2 - 0.01f, 0)).AxialCoords == new Vector2(0, 0));
        Debug.Assert(grid.GetHexAt(new Vector2(w / 2 - 0.01f, -h / 2)).AxialCoords == new Vector2(1, 0));
        Debug.Assert(grid.GetHexAt(new Vector2(w / 2 - 0.01f, h / 2)).AxialCoords == new Vector2(1, -1));
    }
}