Создание классов исключений. Обновление SetGeneric

ProjectBulldozer/Exceptions/BulldozerNotFoundException.cs

@@ -0,0 +1,17 @@
+using System.Runtime.Serialization;
+namespace ProjectBulldozer.Exceptions
+{
+    [Serializable]
+    internal class BulldozerNotFoundException : ApplicationException
+    {
+        public BulldozerNotFoundException(int i) : base($"Не найден объект по позиции {i}") { }
+
+        public BulldozerNotFoundException() : base() { }
+
+        public BulldozerNotFoundException(string message) : base(message) { }
+
+        public BulldozerNotFoundException(string message, Exception exception) : base(message, exception) { }
+
+        protected BulldozerNotFoundException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+    }
+}

ProjectBulldozer/Exceptions/StorageOverflowException.cs

@@ -0,0 +1,17 @@
+using System.Runtime.Serialization;
+namespace ProjectBulldozer.Exceptions
+{
+    [Serializable]
+    internal class StorageOverflowException : ApplicationException
+    {
+        public StorageOverflowException(int count) : base($"В наборе превышено допустимое количество: {count}") { }
+
+        public StorageOverflowException() : base() { }
+
+        public StorageOverflowException(string message) : base(message) { }
+
+        public StorageOverflowException(string message, Exception Exception) : base(message, Exception) { }
+
+        protected StorageOverflowException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+    }
+}

ProjectBulldozer/Generics/SetGeneric.cs

@@ -1,4 +1,5 @@
-namespace ProjectBulldozer.Generics
+using ProjectBulldozer.Exceptions;  
+namespace ProjectBulldozer.Generics
 {
     internal class SetGeneric<T> where T : class
     {
@@ -12,24 +13,35 @@
             _places = new List<T?>(count);
         }
         /// Добавление объекта в набор
-        public int Insert(T tract)
+        public bool Insert(T tract)
         {
             return Insert(tract, 0);
         }
-        public int Insert(T tract, int position)
+        public bool Insert(T tract, int position)
         {
-            if (position < 0 || position >= _maxCount) return -1;
+            if (position < 0 || position >= _maxCount)
+            {
+                throw new BulldozerNotFoundException(position);
+            }
+            if (Count >= _maxCount)
+            {
+                throw new StorageOverflowException(_maxCount);
+            }
             _places.Insert(position, tract);
-            return position;
+            return true;
         }
-        public T? Remove(int position)
+        public bool Remove(int position)
         {
-            if (position >= Count || position < 0)
-                return null;
-
-            T? tmp = _places[position];
+            if (position < 0 || position >= _maxCount)
+            {
+                return false;
+            }
+            if (_places[position] == null)
+            {
+                throw new BulldozerNotFoundException(position);
+            }
             _places[position] = null;
-            return tmp;
+            return true;
         }
         public T? this[int position]
         {