public void WhereSelectSelect_IReadOnlyCollection_ReturnsExpectedValues()
{
IReadOnlyCollection<int> source = new ReadOnlyCollection<int>(new List<int> { 1, 2, 3, 4, 5 });
Func<int, bool> evenPredicate = (value) => value % 2 == 0;
Func<int, int> addSelector = (value) => value + 1;
IEnumerable<int> result = source.Where(evenPredicate).Select(i => i).Select(addSelector);
Assert.Equal(2, result.Count());
Assert.Equal(3, result.ElementAt(0));
Assert.Equal(5, result.ElementAt(1));
}