/// <see cref="object.GetHashCode"/>
public override int GetHashCode()
{
var fields = MemberAccessorHelper <T> .GetFieldsAndProperties(GetType());
const int startValue = 17;
const int multiplier = 59;
var hashCode = startValue;
for (var i = 0; i < fields.Length; i++)
{
Contract.Assume(!ReferenceEquals(fields[i], null));
var value = fields[i](this);
if (value is IEnumerable && !(value is string))
{
var value1Array = ((IEnumerable)value).Cast <object>().Where(me => !ReferenceEquals(me, null)).ToArray();
foreach (var something in value1Array)
{
Contract.Assume(something != null);
hashCode = hashCode * multiplier + something.GetHashCode();
}
}
else if (!ReferenceEquals(value, null))
{
hashCode = hashCode * multiplier + value.GetHashCode();
}
}
return(hashCode);
}
/// <see cref="object.Equals(object)"/>
public virtual bool Equals(T other)
{
if (ReferenceEquals(other, null))
{
return(false);
}
var myType = GetType();
var otherType = other.GetType();
if (myType != otherType)
{
return(false);
}
var fields = MemberAccessorHelper <T> .GetFieldsAndProperties(GetType());
for (var i = 0; i < fields.Length; i++)
{
Contract.Assume(!ReferenceEquals(fields[i], null));
var value1 = fields[i](other);
var value2 = fields[i]((T)this);
if (ReferenceEquals(value1, null))
{
if (!ReferenceEquals(value2, null))
{
return(false);
}
}
else if (value1 is IEnumerable && !(value1 is string))
{
if (ReferenceEquals(value2, null))
{
return(false);
}
var value1Array = ((IEnumerable)value1).Cast <object>().ToArray();
var value2Array = ((IEnumerable)value2).Cast <object>().ToArray();
if (value1Array.Length != value2Array.Length)
{
return(false);
}
for (int j = 0; j < value1Array.Length; ++j)
{
if (!Equals(value1Array[j], value2Array[j]))
{
return(false);
}
}
}
else if (!value1.Equals(value2))
{
return(false);
}
}
return(true);
}
