public void SortedEnumerable_IndexOf_WithInvalidItemValue_DoesNotFindItem() { IEnumerable <string> source = new[] { "a", "a", "c" }; ISortedEnumerable <string> sorted = source.AsSorted(); int result = sorted.IndexOf("b"); Assert.AreEqual(-1, result, "Item should not be found."); }
public void SortedEnumerable_IndexOf_WithInvalidItem_DoesNotFindItem() { IEnumerable <string> source = new[] { "a", "a", "c" }; ISortedEnumerable <string> sorted = source.AsSorted(); int result = sorted.IndexOf(x => StringComparer.InvariantCultureIgnoreCase.Compare("b", x)); Assert.AreEqual(-1, result, "Item should not be found."); }
public void SortedEnumerable_IndexOf_WithValidItemValue_FindsItem() { IEnumerable <string> source = new[] { "a", "a", "c" }; ISortedEnumerable <string> sorted = source.AsSorted(); int result = sorted.IndexOf("a"); Assert.AreEqual(0, result, "Item should be found."); }
public void SortedDictionary_AsSorted_EnumeratesIdenticalSequence() { SortedDictionary <int, string> source = new SortedDictionary <int, string>(); source.Add(0, "a"); source.Add(1, "c"); source.Add(2, "b"); ISortedEnumerable <KeyValuePair <int, string> > result = source.AsSorted(); Assert.IsTrue(result.SequenceEqual(new[] { new KeyValuePair <int, string>(0, "a"), new KeyValuePair <int, string>(1, "c"), new KeyValuePair <int, string>(2, "b") }), "AsSorted should not change the sequence."); Assert.AreEqual(0, result.IndexOf(new KeyValuePair <int, string>(0, "a")), "Could not find item in sorted dictionary."); }