SerializableAssertionWithAutoFixtureIdioms

	public static class ExceptionsFacts
	{
		[Theory, AutoData]
		static void AllExceptionsShouldBeSerializable( SerializableAssertion assertion )
		{
			assertion.Verify( typeof( MyException ).Assembly.GetTypes()
				.Where( x => typeof( Exception ).IsAssignableFrom( x ) ) );
		}
	}

	class SerializableAssertion : IdiomaticAssertion
	{
		readonly ISpecimenContext _specimenResolver;

		public SerializableAssertion( ISpecimenBuilder builder )
		{
			_specimenResolver = new SpecimenContext(builder);
		}

		public override void Verify( Type type )
		{
			var specimen = _specimenResolver.Resolve( type );
			//Assert.IsType( type, specimen );
			using ( var ms = new MemoryStream() )
				new BinaryFormatter().Serialize( ms, specimen );
		}
	}