using LLama.Extensions; namespace LLama.Unittest; public class IReadOnlyListExtensionsTests { [Fact] public void IndexOfItem() { var items = (IReadOnlyList)new List { 1, 2, 3, 4, }; Assert.Equal(2, items.IndexOf(3)); } [Fact] public void IndexOfItemNotFound() { var items = (IReadOnlyList)new List { 1, 2, 3, 4, }; Assert.Null(items.IndexOf(42)); } }