public void Subset()
{
var a = new IntInterval(7, 42);
var b = new IntInterval(10, 20);
var c = new IntInterval(0, 20);
var d = new IntInterval(10, 100);
Assert.IsTrue(b.IsSubsetOf(a));
Assert.IsTrue(b.IsProperSubsetOf(a));
Assert.IsFalse(c.IsSubsetOf(a));
Assert.IsFalse(c.IsProperSubsetOf(a));
Assert.IsFalse(d.IsSubsetOf(a));
Assert.IsFalse(d.IsProperSubsetOf(a));
// proper
Assert.IsTrue(a.IsSubsetOf(a));
Assert.IsFalse(a.IsProperSubsetOf(a));
}
