dotnet DeepEqualsExtensions

DeepEqualsExtensions.cs

public static bool DeepEquals (this object obj, object another)
{
  if (ReferenceEquals (obj, another)) return true;
  if ((obj == null) || (another == null)) return false;
  if (obj.GetType ()! = another.GetType ()) return false;
 
  // If the property is not a class, just int, double, DateTime, etc. v
  // Call regular equal function
  if (! obj.GetType (). IsClass) return obj.Equals (another);
 
  var result = true;
  foreach (var property in obj.GetType (). GetProperties ())
  {
     var objValue = property.GetValue (obj);
     var anotherValue = property.GetValue (another);
     // Continue recursion
     if (! objValue.DeepEquals (anotherValue)) result = false;
  }
  return result;
}

public static bool DeepEquals <T> (this IEnumerable <T> obj, IEnumerable <T> another)
{
  if (ReferenceEquals (obj, another)) return true;
  if ((obj == null) || (another == null)) return false;
 
  bool result = true;
// Browse each element in 2 given list
  using (IEnumerator <T> enumerator1 = obj.GetEnumerator ())
  using (IEnumerator <T> enumerator2 = another.GetEnumerator ())
  {
    while (true)
    {
      bool hasNext1 = enumerator1.MoveNext ();
      bool hasNext2 = enumerator2.MoveNext ();
 
      // If there is 1 list, or 2 different elements, exit the loop
      if (hasNext1! = hasNext2 ||! enumerator1.Current.DeepEquals (enumerator2.Current))
      {
         result = false;
         break;
      }
 
       // Stop the loop when 2 lists are all
       if (! hasNext1) break;
    }
  }
 
  return result;
}