public static void Enumeration()
{
var list = new CopyOnWriteList <string>(new[] { "one", "two" });
Equal(2, list.Count);
Equal("one", list[0]);
Equal("two", list[1]);
//checks whether the enumeration doesn't throw exception if item is changed
foreach (ref readonly var item in list)
{
list[0] = "empty";
}
using (IEnumerator <string> enumerator = list.GetEnumerator())
{
True(enumerator.MoveNext());
Equal("empty", enumerator.Current);
True(enumerator.MoveNext());
Equal("two", enumerator.Current);
False(enumerator.MoveNext());
enumerator.Reset();
True(enumerator.MoveNext());
Equal("empty", enumerator.Current);
True(enumerator.MoveNext());
Equal("two", enumerator.Current);
False(enumerator.MoveNext());
}
}
public static void CopyElements()
{
var list = new CopyOnWriteList <string>()
{
"one", "two", "three"
};
var array = new string[3];
list.CopyTo(array, 0);
Equal("one", array[0]);
Equal("two", array[1]);
Equal("three", array[2]);
}
public static void Enumeration()
{
var list = new CopyOnWriteList <string>(new[] { "one", "two" });
Equal(2, list.Count);
Equal("one", list[0]);
Equal("two", list[1]);
//checks whether the enumeration doesn't throw exception if item is changed
foreach (var item in list)
{
list[0] = "empty";
}
}
public static void ReadOnlySnapshot()
{
var list = new CopyOnWriteList <int>()
{
1, 2
};
var view = list.Snapshot;
list[1] = 10;
Equal(1, list[0]);
Equal(10, list[1]);
Equal(1, view.Span[0]);
Equal(2, view.Span[1]);
}
public static void SearchOperations()
{
var list = new CopyOnWriteList <string>()
{
"one", "two", "three", "one"
};
Contains("two", list);
DoesNotContain("four", list);
True(list.Exists("two".Equals));
False(list.Exists("four".Equals));
NotNull(list.Find("one".Equals));
Null(list.Find("four".Equals));
Equal(0, list.FindIndex("one".Equals));
Equal(3, list.FindLastIndex("one".Equals));
Equal(1, list.IndexOf("two"));
Equal(0, list.IndexOf("one"));
Equal(3, list.LastIndexOf("one"));
}
public static void AddRemove()
{
var list = new CopyOnWriteList <string>()
{
"one", "two"
};
Equal(2, list.Count);
list.Add("three");
Equal(3, list.Count);
Equal("one", list[0]);
Equal("two", list[1]);
Equal("three", list[2]);
Equal(2, list.RemoveAll(str => str.Length == 3));
Equal(1, list.Count);
Equal("three", list[0]);
True(list.Remove("three"));
Empty(list);
}
