private void StrictSetIntersect <S1, S2>() where S1 : IStrictSet <int>, new() where S2 : IStrictSet <int>, new()
{
var origin = new S1();
var other = new S2();
Fill(origin, 0, 5000);
Fill(other, 4000, 5000);
var result = origin.Intersect(other);
Assert.Equal(1000, origin.Count);
Assert.Equal(1000, result.Count);
for (var i = 0; i < 4000; i++)
{
Assert.False(origin.Contains(i));
Assert.False(result.Contains(i));
}
for (var i = 4000; i < 5000; i++)
{
Assert.True(origin.Contains(i));
Assert.True(result.Contains(i));
}
for (var i = 5000; i < 9000; i++)
{
Assert.False(origin.Contains(i));
Assert.False(result.Contains(i));
}
var third = new S1();
foreach (var i in Enumerable.Range(5000, 1000))
{
third.Add(i);
}
origin.Intersect(third);
Assert.Equal(0, origin.Count);
}