/// <inheritdoc/>
protected override int GetHashCode(object item, ValuerChainer valuer)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (valuer == null)
{
throw new ArgumentNullException(nameof(valuer));
}
Type type = item.GetType();
int hash = ValueComparer.BaseHash + type.GetHashCode();
foreach (PropertyInfo property in type.GetProperties(_scope).Where(p => p.CanRead))
{
hash = hash * ValueComparer.HashMultiplier + valuer.GetHashCode(property.GetValue(item));
}
foreach (FieldInfo field in type.GetFields(_scope))
{
hash = hash * ValueComparer.HashMultiplier + valuer.GetHashCode(field.GetValue(item));
}
return(hash);
}
/// <inheritdoc/>
protected override int GetHashCode(StringDictionary item, ValuerChainer valuer)
{
if (valuer == null)
{
throw new ArgumentNullException(nameof(valuer));
}
return(valuer.GetHashCode(Convert(item)));
}
/// <inheritdoc/>
protected override int GetHashCode(Task item, ValuerChainer valuer)
{
if (valuer == null)
{
throw new ArgumentNullException(nameof(valuer));
}
return(valuer.GetHashCode(ExtractResult(item)));
}
/// <inheritdoc/>
protected override int GetHashCode(IFaked item, ValuerChainer valuer)
{
if (valuer == null)
{
throw new ArgumentNullException(nameof(valuer));
}
return(valuer.GetHashCode(item?.FakeMeta));
}
/// <inheritdoc cref="GetHashCode"/>
/// <typeparam name="T">Item type being compared.</typeparam>
private static async Task <int> GetHashCodeAsync <T>(IAsyncEnumerable <T> item, ValuerChainer valuer)
{
int hash = ValueComparer.BaseHash;
await foreach (T current in item)
{
hash = hash * ValueComparer.HashMultiplier + valuer.GetHashCode(current);
}
return(hash);
}
/// <inheritdoc/>
protected override int GetHashCode(IDictionary item, ValuerChainer valuer)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (valuer == null)
{
throw new ArgumentNullException(nameof(valuer));
}
int hash = ValueComparer.BaseHash;
foreach (DictionaryEntry entry in item)
{
hash += valuer.GetHashCode(entry.Key, entry.Value);
}
return(hash);
}
/// <inheritdoc/>
protected override int GetHashCode(IEnumerable item, ValuerChainer valuer)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (valuer == null)
{
throw new ArgumentNullException(nameof(valuer));
}
int hash = ValueComparer.BaseHash;
foreach (object value in item)
{
hash = hash * ValueComparer.HashMultiplier + valuer.GetHashCode(value);
}
return(hash);
}