void AsTo( ClassWithParameter sut, string message )
{
var value = sut.AsTo<Class, object>( x => x, () => message );
Assert.Equal( value, message );
}
public void Evaluate( ClassWithParameter sut ) => Assert.Equal( sut.Parameter, sut.Evaluate<object>( nameof(sut.Parameter) ) );
void With( ClassWithParameter sut, string message )
{
Assert.Equal( sut.Parameter, sut.With( x => x.Parameter, () => message ) );
}
void FirstOrDefaultOfType( Class first, ClassWithParameter second, string third, Derived fourth )
{
var items = new object[] { first, second, third, fourth };
var sut = items.FirstOrDefaultOfType<string>();
Assert.Equal( third, sut );
}