public void ListSortTest()
{
// Create a NestedBindingList
var list = new NestedBindingList<Person>(2);
// Add some items
list.Add(new Person());
list.Add(new Person() { Name = "Fred" });
list.Add(new Person() { Name = "Bill" });
Assert.True(list.Select(f => f.Name)
.SequenceEqual(new string[] { null, "Fred", "Bill" }));
// Sort the list on Name
list.SortBy("Name");
Assert.True(list.Select(f => f.Name)
.SequenceEqual(new string[] { null, "Bill", "Fred" }));
// Adding a new item will sort the list
list.Add(new Person() { Name = "Abigale" });
Assert.True(list.Select(f => f.Name)
.SequenceEqual(new string[] { null, "Abigale", "Bill", "Fred" }));
// Using AddNew will add a new item to the end of the list and won't sort
var item = list.AddNew();
Assert.Same(list[4], item);
// Modifying the new item also won't sort the list
item.Name = "Emily";
Assert.Same(list[4], item);
// Calling EndNew will sort
list.EndNew(4);
Assert.True(list.Select(f => f.Name)
.SequenceEqual(new string[] { null, "Abigale", "Bill", "Emily", "Fred" }));
// Removing the sort leaves things where they were
list.RemoveSort();
Assert.True(list.Select(f => f.Name)
.SequenceEqual(new string[] { null, "Abigale", "Bill", "Emily", "Fred" }));
// Sort the list on a nested property which has some
// intermediate null values in the list - descending
item = list[3];
item.Address = new Address() { City = new City() { Name = "Brisbane" } };
list.SortBy("Address.City.Name", false, false);
Assert.Same(item, list[0]);
// Setting nested properties will sort
item = list[3];
item.Address = new Address() { City = new City() { Name = "Melbourne" } };
Assert.Same(item, list[0]);
// Adding a new item will sort on the nested property
item = new Person() { Name = "Gertrude", Address = new Address() { City = new City() { Name = "Perth" } } };
list.Add(item);
Assert.Same(item, list[0]);
}
public void ListSortTest()
{
// Create a NestedBindingList
var list = new NestedBindingList <Person>(2);
// Add some items
list.Add(new Person());
list.Add(new Person()
{
Name = "Fred"
});
list.Add(new Person()
{
Name = "Bill"
});
Assert.True(list.Select(f => f.Name)
.SequenceEqual(new string[] { null, "Fred", "Bill" }));
// Sort the list on Name
list.SortBy("Name");
Assert.True(list.Select(f => f.Name)
.SequenceEqual(new string[] { null, "Bill", "Fred" }));
// Adding a new item will sort the list
list.Add(new Person()
{
Name = "Abigale"
});
Assert.True(list.Select(f => f.Name)
.SequenceEqual(new string[] { null, "Abigale", "Bill", "Fred" }));
// Using AddNew will add a new item to the end of the list and won't sort
var item = list.AddNew();
Assert.Same(list[4], item);
// Modifying the new item also won't sort the list
item.Name = "Emily";
Assert.Same(list[4], item);
// Calling EndNew will sort
list.EndNew(4);
Assert.True(list.Select(f => f.Name)
.SequenceEqual(new string[] { null, "Abigale", "Bill", "Emily", "Fred" }));
// Removing the sort leaves things where they were
list.RemoveSort();
Assert.True(list.Select(f => f.Name)
.SequenceEqual(new string[] { null, "Abigale", "Bill", "Emily", "Fred" }));
// Sort the list on a nested property which has some
// intermediate null values in the list - descending
item = list[3];
item.Address = new Address()
{
City = new City()
{
Name = "Brisbane"
}
};
list.SortBy("Address.City.Name", false, false);
Assert.Same(item, list[0]);
// Setting nested properties will sort
item = list[3];
item.Address = new Address()
{
City = new City()
{
Name = "Melbourne"
}
};
Assert.Same(item, list[0]);
// Adding a new item will sort on the nested property
item = new Person()
{
Name = "Gertrude", Address = new Address()
{
City = new City()
{
Name = "Perth"
}
}
};
list.Add(item);
Assert.Same(item, list[0]);
}
