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.");
}