Monogame-Extended/tests/MonoGame.Extended.Tests/Tilemaps/TilemapObjects/TilemapEllipseObjectTests.cs

using Microsoft.Xna.Framework;
using MonoGame.Extended.Tilemaps;

namespace MonoGame.Extended.Tests;

public sealed class TilemapEllipseObjectTests
{
   [Fact]
    public void Constructor_SetsProperties()
    {
        var obj = new TilemapEllipseObject(1, new Vector2(10, 20), new Vector2(50, 30));

        // Assert
        Assert.Equal(1, obj.Id);
        Assert.Equal(new Vector2(10, 20), obj.Position);
        Assert.Equal(new Vector2(50, 30), obj.Size);
    }

    [Fact]
    public void Bounds_ReturnsCorrectRectangle()
    {
        var obj = new TilemapEllipseObject(1, new Vector2(10, 20), new Vector2(50, 30));
        var bounds = obj.Bounds;

        // Assert
        Assert.Equal(10, bounds.X);
        Assert.Equal(20, bounds.Y);
        Assert.Equal(50, bounds.Width);
        Assert.Equal(30, bounds.Height);
    }

    [Fact]
    public void Center_ReturnsCorrectPosition()
    {
        var obj = new TilemapEllipseObject(1, new Vector2(10, 20), new Vector2(50, 30));

        // (10 + 50/2, 20 + 30/2) = (35,35)
        Assert.Equal(new Vector2(35, 35), obj.Center);
    }

    [Fact]
    public void RadiusX_ReturnsHalfWidth()
    {
        var obj = new TilemapEllipseObject(1, new Vector2(10, 20), new Vector2(50, 30));

        // 50 / 2 = 25
        Assert.Equal(25, obj.RadiusX);
    }

    [Fact]
    public void RadiusY_ReturnsHalfHeight()
    {
        var obj = new TilemapEllipseObject(1, new Vector2(10, 20), new Vector2(50, 30));

        // 30 / 2 = 15
        Assert.Equal(15, obj.RadiusY);
    }

    [Fact]
    public void CircleEllipse_RadiiAreEqual()
    {
        var obj = new TilemapEllipseObject(1, new Vector2(0, 0), new Vector2(40, 40));

        Assert.Equal(20, obj.RadiusX);
        Assert.Equal(20, obj.RadiusY);
    }
}