Monogame-Extended/tests/MonoGame.Extended.Tests/Tilemaps/TilemapTileAnimationFrameTests.cs

using System.Collections.Generic;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using MonoGame.Extended.Tests.Fixtures;
using MonoGame.Extended.Tilemaps;

namespace MonoGame.Extended.Tests
{
    [Collection("GraphicsTest")]
    public sealed class TilemapTileAnimationFrameTests
    {
        private readonly GraphicsTestFixture _graphicsFixture;

        public TilemapTileAnimationFrameTests(GraphicsTestFixture graphicsTestFixture)
        {
            _graphicsFixture = graphicsTestFixture;
        }

        [Fact]
        public void Constructor_SetsProperties()
        {
            var frame = new TilemapTileAnimationFrame(42, 0.5f);

            Assert.Equal(42, frame.TileId);
            Assert.Equal(0.5f, frame.Duration);
        }

        [Theory]
        [InlineData(0, 0.1f)]
        [InlineData(1, 0.5f)]
        [InlineData(100, 1.0f)]
        [InlineData(255, 2.5f)]
        public void Constructor_WithVariousValues_SetsCorrectly(int tileId, float duration)
        {
            var frame = new TilemapTileAnimationFrame(tileId, duration);

            // Assert
            Assert.Equal(tileId, frame.TileId);
            Assert.Equal(duration, frame.Duration);
        }

        [Fact]
        public void Struct_IsReadOnly()
        {
            var frame = new TilemapTileAnimationFrame(10, 0.5f);

            // Act & Assert
            // This test verifies the struct is readonly by checking we can't modify it
            // If TileId or Duration had setters, this would fail to compile
            Assert.Equal(10, frame.TileId);
            Assert.Equal(0.5f, frame.Duration);
        }

    }
}