Наследование класса AbstractMap от IEquatable.

AirplaneWithRadar/AirplaneWithRadar/AbstractMap.cs

@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace AirplaneWithRadar
 {
-    internal abstract class AbstractMap
+    internal abstract class AbstractMap : IEquatable<AbstractMap>
     {
         private IDrawingObject _drawingObject = null;
         protected int[,] _map = null;
@@ -130,5 +130,43 @@ namespace AirplaneWithRadar
         protected abstract void GenerateMap();
         protected abstract void DrawRoadPart(Graphics g, int i, int j);
         protected abstract void DrawBarrierPart(Graphics g, int i, int j);
+
+        public bool Equals(AbstractMap? other)
+        {
+            if (other == null)
+            {
+                return false;
+            }
+            var otherMap = other as AbstractMap;
+            if (otherMap == null)
+            {
+                return false;
+            }
+            if (_width != otherMap._width)
+            {
+                return false;
+            }
+            if (_height != otherMap._height)
+            {
+                return false;
+            }
+            if (_size_x != otherMap._size_x)
+            {
+                return false;
+            }
+            if (_size_y != otherMap._size_y)
+            {
+                return false;
+            }
+            for (int i = 0; i < _map.GetLength(0); i++)
+            {
+                for (int j = 0; j < _map.GetLength(1); j++)
+                {
+                    if (_map[i, j] != otherMap._map[i, j])
+                        return false;
+                }
+            }
+            return true;
+        }
     }
 }