public void PreAdd()
{
var a = new Set <int>();
a.Add(0);
a.Add(1);
var b = new Set <int>();
b.Add(1);
b.Add(2);
var i = new IntersectionSet <int>(a, b);
Assert.False(i.Contains(0));
Assert.True(i.Contains(1));
Assert.False(i.Contains(2));
Assert.AreEqual(1, i.Count);
}
public void Remove()
{
var a = new Set <int>();
a.Add(0);
a.Add(1);
var b = new Set <int>();
b.Add(0);
b.Add(1);
var i = new IntersectionSet <int>(a, b);
Assert.AreEqual(2, i.Count);
a.Remove(0);
Assert.False(i.Contains(0));
Assert.AreEqual(1, i.Count);
b.Remove(1);
Assert.False(i.Contains(1));
Assert.AreEqual(0, i.Count);
}