public void Should_roundtrip_enumerableproxy()
{
var enumerable = new EnumerableProxy <int?>(new int?[] { null, 1, 22, 333 });
var resurrected = Roundtrip(enumerable);
resurrected.SequenceShouldBeEqual(enumerable);
}
/// <summary>
/// Retrieve the target enumerable wrapped in <paramref name="proxies"/>.
/// </summary>
/// <typeparam name="T">
/// Type of the enumerable elements.
/// </typeparam>
/// <param name="proxies">
/// An proxy enumerable returned by <see cref="GetProxy{T}(IEnumerable{T})"/>.
/// </param>
/// <returns>
/// The target enumerable instance wrapped by <paramref name="proxies"/>,
/// or <paramref name="proxies"/> itself if it is actually not a proxy.
/// </returns>
public static IEnumerable <T> GetTarget <T>(IEnumerable <T> proxies)
where T : class
{
return(EnumerableProxy <T> .GetTarget(proxies));
}
/// <summary>
/// Get an enumerable of proxies of the given <paramref name="targets"/>.
/// </summary>
/// <typeparam name="T">
/// Type of the enumerable elements.
/// </typeparam>
/// <param name="targets">
/// An enumerable of original target objects.
/// </param>
/// <returns>
/// An enumerable of proxies of targets or targets itself if it is already
/// an enumerable of others.
/// </returns>
public static IEnumerable <T> GetProxy <T>(IEnumerable <T> targets)
where T : class
{
return(EnumerableProxy <T> .GetProxy(targets));
}