public void TestAdd_AddsToEnd()
{
var list = new TypedList<ArrayList, int>(new ArrayList() { 1, 2, 3 });
list.Add(4);
Assert.AreEqual(4, list.Count, "The count wasn't increased.");
int[] expected = { 1, 2, 3, 4 };
int[] actual = toTypedArray(list.List);
Assert.IsTrue(expected.ToSublist().IsEqualTo(actual.ToSublist()), "The item wa not added as expected.");
}
public void Add(object value)
{
if (value != null)
{
if (this.list == null)
{
this.list = (ITypedList)Activator.CreateInstance(typeof(TypedList <>).MakeGenericType(value.GetType()));
}
else if (!this.list.ItemType.IsAssignableFrom(value.GetType()))
{
var newList = new TypedList <object>();
foreach (var item in this.list)
{
newList.Add(item);
}
this.list = newList;
}
}
else
{
if (this.list == null)
{
this.list = new TypedList <object>();
}
else
{
if (this.list.ItemType.IsValueType && Nullable.GetUnderlyingType(this.list.ItemType) != null)
{
var nullableList = (ITypedList)Activator.CreateInstance(typeof(TypedList <>).MakeGenericType(typeof(Nullable <>).MakeGenericType(this.list.ItemType)));
foreach (var item in this.list)
{
nullableList.Add(item);
}
this.list = nullableList;
}
}
}
this.list.Add(value);
}
public void TypedList_Basics()
{
Community c = new Community();
List <Person> people = new List <Person>
{
new Person(c)
{
Name = "One"
},
new Person(c)
{
Name = "Two"
},
new Person(c)
{
Name = "Three"
}
};
// Null by default
Assert.Null(c.People);
// Settable to Empty
c.People = Array.Empty <Person>();
TypedList <Person> list = (TypedList <Person>)c.People;
Assert.Empty(list);
list.Add(people[0]);
Assert.Single(list);
list.Add(people[1]);
list.Add(people[2]);
CollectionReadVerifier.VerifySame(people, list);
// SetTo self works properly
list.SetTo(list);
CollectionReadVerifier.VerifySame(people, list);
// SetTo null works
list.SetTo(null);
Assert.Empty(list);
// SetTo other works
list.SetTo(people);
CollectionReadVerifier.VerifySame(people, list);
// Test Equality members
CollectionReadVerifier.VerifyEqualityMembers(list, list);
// Test equality operators
#pragma warning disable CS1718 // Comparison made to same variable
Assert.True(list == list);
Assert.False(list != list);
#pragma warning restore CS1718 // Comparison made to same variable
Assert.False(list == null);
Assert.True(list != null);
Assert.False(null == list);
Assert.True(null != list);
// SetTo empty works
list.SetTo(new List <Person>());
Assert.Empty(list);
CollectionChangeVerifier.VerifyList(c.People, (i) => new Person(c)
{
Age = (byte)i
});
// Set null
IList <Person> cachedPeople = c.People;
c.People = null;
Assert.Null(c.People);
Assert.Equal(0, cachedPeople.Count);
// SetTo TypedList from another DB/Table
Community c2 = new Community();
c2.People = new List <Person>();
c2.People.Add(new Person(c2)
{
Name = "Other"
});
list.SetTo(c2.People);
Assert.Equal("Other", list[0].Name);
}
public static TypedList <Employee> GetData()
{
var tlist = new TypedList <Employee>();
tlist.Add(new Employee(1, -1, "John", "Doe", "Director of sales"));
tlist.Add(new Employee(10, 1, "Alex", "Red", "Manager"));
tlist.Add(new Employee(100, 10, "Alfred", "Bon", "Manager's assistant"));
tlist.Add(new Employee(11, 1, "Elena", "White", "Manager"));
tlist.Add(new Employee(12, 1, "Eric", "Green", "Manager"));
tlist.Add(new Employee(13, 1, "Sara", "Blue", "Manager"));
tlist.Add(new Employee(130, 12, "Mila", "Vong", "Manager's assistant"));
tlist.Add(new Employee(131, 12, "Alex", "Li", "Manager's assistant"));
tlist.Add(new Employee(14, 1, "Gloria", "Black", "Manager"));
tlist.Add(new Employee(2, -1, "Mary", "Sue", "Marketing director"));
tlist.Add(new Employee(20, 2, "Natalie", "Ming", "Manager"));
tlist.Add(new Employee(201, 20, "Ivan", "Romanov", "Manager's assistant"));
tlist.Add(new Employee(202, 20, "Stan", "Heck", "Manager's assistant"));
tlist.Add(new Employee(203, 20, "Don", "Milman", "Manager's assistant"));
tlist.Add(new Employee(21, 2, "Joseph", "Anderson", "Manager"));
tlist.Add(new Employee(210, 21, "Jack", "Gun", "Manager's assistant"));
tlist.Add(new Employee(22, 2, "Olivia", "Helt", "Manager"));
tlist.Add(new Employee(220, 22, "Caleb", "Iron", "Manager's assistant"));
tlist.Add(new Employee(221, 22, "Dylan", "Gold", "Manager's assistant"));
tlist.Add(new Employee(23, 2, "Samantha", "Silver", "Manager"));
tlist.Add(new Employee(24, 2, "Tyler", "Steel", "Manager"));
tlist.Add(new Employee(3, -1, "Victor", "Smith", "Security director"));
tlist.Add(new Employee(31, 3, "James", "Bond", "Guard"));
tlist.Add(new Employee(32, 3, "Jason", "Bourne", "Guard"));
tlist.Add(new Employee(33, 3, "John", "McClane", "Guard"));
tlist.Add(new Employee(34, 3, "Peter", "Parker", "Guard"));
tlist.Add(new Employee(35, 3, "Tony", "Stark", "Guard"));
return(tlist);
}
