No more TmxSerializer, now different readers for each file format

DotTiled.Tests/Assert/AssertMap.cs

@@ -0,0 +1,40 @@
+namespace DotTiled.Tests;
+
+public static partial class DotTiledAssert
+{
+  internal static void AssertMap(Map expected, Map actual)
+  {
+    // Attributes
+    Assert.Equal(expected.Version, actual.Version);
+    Assert.Equal(expected.TiledVersion, actual.TiledVersion);
+    Assert.Equal(expected.Class, actual.Class);
+    Assert.Equal(expected.Orientation, actual.Orientation);
+    Assert.Equal(expected.RenderOrder, actual.RenderOrder);
+    Assert.Equal(expected.CompressionLevel, actual.CompressionLevel);
+    Assert.Equal(expected.Width, actual.Width);
+    Assert.Equal(expected.Height, actual.Height);
+    Assert.Equal(expected.TileWidth, actual.TileWidth);
+    Assert.Equal(expected.TileHeight, actual.TileHeight);
+    Assert.Equal(expected.HexSideLength, actual.HexSideLength);
+    Assert.Equal(expected.StaggerAxis, actual.StaggerAxis);
+    Assert.Equal(expected.StaggerIndex, actual.StaggerIndex);
+    Assert.Equal(expected.ParallaxOriginX, actual.ParallaxOriginX);
+    Assert.Equal(expected.ParallaxOriginY, actual.ParallaxOriginY);
+    Assert.Equal(expected.BackgroundColor, actual.BackgroundColor);
+    Assert.Equal(expected.NextLayerID, actual.NextLayerID);
+    Assert.Equal(expected.NextObjectID, actual.NextObjectID);
+    Assert.Equal(expected.Infinite, actual.Infinite);
+
+    AssertProperties(actual.Properties, expected.Properties);
+
+    Assert.NotNull(actual.Tilesets);
+    Assert.Equal(expected.Tilesets.Count, actual.Tilesets.Count);
+    for (var i = 0; i < expected.Tilesets.Count; i++)
+      AssertTileset(actual.Tilesets[i], expected.Tilesets[i]);
+
+    Assert.NotNull(actual.Layers);
+    Assert.Equal(expected.Layers.Count, actual.Layers.Count);
+    for (var i = 0; i < expected.Layers.Count; i++)
+      AssertLayer(actual.Layers[i], expected.Layers[i]);
+  }
+}