public void UpperBound()
{
var longSet = new LongSet(new[] { new LongInterval(1, 5), new LongInterval(6, 7) }.ToImmutableArray());
Assert.AreEqual(0, longSet.upper_bound(0));
for (int i = 1; i <= 5; i++)
{
Assert.AreEqual(1, longSet.upper_bound(i));
}
for (int i = 6; i <= 10; i++)
{
Assert.AreEqual(2, longSet.upper_bound(i));
}
}