public void FuzzyTest() { var rnd = new Random(); var variations = new[] { new { Size = 10, Add = 0, ShouldBeCount = 0, DeletedCount = 0, }, new { Size = 10, Add = 5, ShouldBeCount = 5, DeletedCount = 0, }, new { Size = 10, Add = 10, ShouldBeCount = 10, DeletedCount = 0, }, new { Size = 10, Add = 11, ShouldBeCount = 10, DeletedCount = 1, }, new { Size = 10, Add = 15, ShouldBeCount = 10, DeletedCount = 5, }, new { Size = 20, Add = 55, ShouldBeCount = 20, DeletedCount = 55 - 20, }, new { Size = 100, Add = 500, ShouldBeCount = 100, DeletedCount = 500 - 100, }, }; foreach (var test in variations) { LruList <CacheItem> list = new LruList <CacheItem>(test.Size); var inputList = new List <int>(Enumerable.Range(0, test.Add).Select(x => rnd.Next(0, Math.Min(test.Add, test.Add / 4)))); foreach (var index in inputList) { list.Add(new CacheItem(index)); } list.Count.Should().Be(test.ShouldBeCount); list.DumpCount.Should().Be(test.DeletedCount); var itemList = new List <CacheItem>(list.OrderBy(x => x.Value)); itemList.Count.Should().Be(test.ShouldBeCount); inputList .Skip(test.DeletedCount) .OrderBy(x => x) .Zip(itemList, (f, s) => new { f, s }) .All(x => x.f == x.s.Value) .Should().BeTrue(); } }
public void SizeTests() { var variations = new[] { new { Size = 10, Add = 0, ShouldBeCount = 0, DeletedCount = 0, }, new { Size = 10, Add = 5, ShouldBeCount = 5, DeletedCount = 0, }, new { Size = 10, Add = 10, ShouldBeCount = 10, DeletedCount = 0, }, new { Size = 10, Add = 11, ShouldBeCount = 10, DeletedCount = 1, }, new { Size = 10, Add = 15, ShouldBeCount = 10, DeletedCount = 5, }, new { Size = 20, Add = 55, ShouldBeCount = 20, DeletedCount = 55 - 20, }, new { Size = 100, Add = 500, ShouldBeCount = 100, DeletedCount = 500 - 100, }, }; foreach (var test in variations) { LruList <CacheItem> list = new LruList <CacheItem>(test.Size); foreach (var index in Enumerable.Range(0, test.Add)) { list.Add(new CacheItem(index)); } list.Count.Should().Be(test.ShouldBeCount); list.DumpCount.Should().Be(test.DeletedCount); var itemList = new List <CacheItem>(list.OrderBy(x => x.Value)); itemList.Count.Should().Be(test.ShouldBeCount); int start = Math.Max(test.Add - test.Size, 0); int size = Math.Min(test.Add, test.Size); itemList.Zip(Enumerable.Range(start, size), (f, s) => new { f = f, s = s }) .All(x => x.f.Value == x.s) .Should().BeTrue(); } }