public void DeriveWithSelectorRemoveTwo()
{
var list = new RxList<string>("1", "2", "3");
var derived = list.Derive(x => int.Parse(x));
list.RemoveRange(new[] { "1", "3" });
Assert.AreEqual(2, derived[0]);
}
public void DeriveRemovesOnModified()
{
var list = new RxList<string>("1", "2", "3");
int removed = -1;
list.Derive(x => int.Parse(x), x => removed = x);
list[0] = "5";
Assert.AreEqual(1, removed);
}
public void DeriveWithSelectorInitialState()
{
var list = new RxList<string>("1", "2", "3");
var derived = list.Derive(x => int.Parse(x));
Assert.AreEqual(1, derived[0]);
Assert.AreEqual(2, derived[1]);
Assert.AreEqual(3, derived[2]);
}
public void DeriveWithSelectorAdd()
{
var list = new RxList<string>("1");
var derived = list.Derive(x => int.Parse(x));
list.Add("2");
Assert.AreEqual(1, derived[0]);
Assert.AreEqual(2, derived[1]);
}
public void DeriveWithSelectorModifyTwo()
{
var list = new RxList<string>("1", "2", "3");
var derived = list.Derive(x => int.Parse(x));
list.ModifyRange(new[] { new RxListItem<string>(0, "4"), new RxListItem<string>(2, "5") });
Assert.AreEqual(4, derived[0]);
Assert.AreEqual(2, derived[1]);
Assert.AreEqual(5, derived[2]);
}
public void DeriveWithSelectorModifyOne()
{
var list = new RxList<string>("1", "2", "3");
var derived = list.Derive(x => int.Parse(x));
list[1] = "4";
Assert.AreEqual(1, derived[0]);
Assert.AreEqual(4, derived[1]);
Assert.AreEqual(3, derived[2]);
}
public void DeriveWithSelectorInsertTwo()
{
var list = new RxList<string>("2");
var derived = list.Derive(x => int.Parse(x));
list.InsertRange(new[] { new RxListItem<string>(0, "1"), new RxListItem<string>(1, "3") });
Assert.AreEqual(1, derived[0]);
Assert.AreEqual(2, derived[1]);
Assert.AreEqual(3, derived[2]);
}
public void DeriveRemovesOnRemoved()
{
var list = new RxList<string>("1", "2", "3");
int removed = -1;
list.Derive(x => int.Parse(x), x => removed = x);
list.Remove("2");
Assert.AreEqual(2, removed);
}
