No more TmxSerializer, now different readers for each file format

DotTiled.Tests/Assert/AssertProperties.cs

@@ -0,0 +1,69 @@
+namespace DotTiled.Tests;
+
+public static partial class DotTiledAssert
+{
+  internal static void AssertProperties(Dictionary<string, IProperty>? expected, Dictionary<string, IProperty>? actual)
+  {
+    if (expected is null)
+    {
+      Assert.Null(actual);
+      return;
+    }
+
+    Assert.NotNull(actual);
+    Assert.Equal(expected.Count, actual.Count);
+    foreach (var kvp in expected)
+    {
+      Assert.Contains(kvp.Key, actual.Keys);
+      AssertProperty((dynamic)kvp.Value, (dynamic)actual[kvp.Key]);
+    }
+  }
+
+  private static void AssertProperty(IProperty actual, IProperty expected)
+  {
+    Assert.Equal(expected.Type, actual.Type);
+    Assert.Equal(expected.Name, actual.Name);
+    AssertProperties((dynamic)actual, (dynamic)expected);
+  }
+
+  private static void AssertProperty(StringProperty actual, StringProperty expected)
+  {
+    Assert.Equal(expected.Value, actual.Value);
+  }
+
+  private static void AssertProperty(IntProperty actual, IntProperty expected)
+  {
+    Assert.Equal(expected.Value, actual.Value);
+  }
+
+  private static void AssertProperty(FloatProperty actual, FloatProperty expected)
+  {
+    Assert.Equal(expected.Value, actual.Value);
+  }
+
+  private static void AssertProperty(BoolProperty actual, BoolProperty expected)
+  {
+    Assert.Equal(expected.Value, actual.Value);
+  }
+
+  private static void AssertProperty(ColorProperty actual, ColorProperty expected)
+  {
+    Assert.Equal(expected.Value, actual.Value);
+  }
+
+  private static void AssertProperty(FileProperty actual, FileProperty expected)
+  {
+    Assert.Equal(expected.Value, actual.Value);
+  }
+
+  private static void AssertProperty(ObjectProperty actual, ObjectProperty expected)
+  {
+    Assert.Equal(expected.Value, actual.Value);
+  }
+
+  private static void AssertProperty(ClassProperty actual, ClassProperty expected)
+  {
+    Assert.Equal(expected.PropertyType, actual.PropertyType);
+    AssertProperties(actual.Properties, expected.Properties);
+  }
+}