public void CopyToTest()
{
var set = new IndexedSet <string>();
var array = new string[2];
Assert.IsEmpty(set);
Assert.That(array, Is.All.Null);
set.CopyTo(array, 0);
Assert.IsEmpty(set);
Assert.That(array, Is.All.Null);
set.Add("A");
set.Add("B");
set.CopyTo(array, 0);
Assert.That(set.Count, Is.EqualTo(2));
Assert.That(set, Contains.Item("A").And.Contains("B"));
Assert.That(array.Length, Is.EqualTo(2));
Assert.That(array, Is.All.Not.Null);
Assert.That(array, Contains.Item("A").And.Contains("B"));
Assert.That(array[0], Is.EqualTo("A"));
Assert.That(array[1], Is.EqualTo("B"));
}
public void CopyToExceptions()
{
int[] array = null;
Assert.That(() => set.CopyTo(array, 0),
Throws.Exception.TypeOf <ArgumentNullException>());
array = new int[3];
Assert.That(() => set.CopyTo(array, -1),
Throws.Exception.TypeOf <ArgumentOutOfRangeException>());
Assert.That(() => set.CopyTo(array, 1),
Throws.Exception.TypeOf <ArgumentException>());
Assert.That(() => set.CopyTo(array, 2),
Throws.Exception.TypeOf <ArgumentException>());
Assert.That(() => set.CopyTo(array, set.Count),
Throws.Exception.TypeOf <ArgumentException>());
array = new int[2];
Assert.That(() => set.CopyTo(array, 0),
Throws.Exception.TypeOf <ArgumentException>());
Assert.That(() => set.CopyTo(array, 1),
Throws.Exception.TypeOf <ArgumentException>());
}