public void TestEmptyIntersection()
{
IntervalSet s = IntervalSet.Of('a', 'z');
IntervalSet s2 = IntervalSet.Of('0', '9');
String expecting = "{}";
String result = (s.And(s2)).ToString();
Assert.AreEqual(expecting, result);
}
public void TestRangeAndIsolatedElement()
{
IntervalSet s = IntervalSet.Of('a', 'z');
IntervalSet s2 = IntervalSet.Of('d');
String expecting = "100";
String result = (s.And(s2)).ToString();
Assert.AreEqual(expecting, result);
}
public void TestSimpleAnd()
{
IntervalSet s = IntervalSet.Of(10, 20);
IntervalSet s2 = IntervalSet.Of(13, 15);
String expecting = "{13..15}";
String result = (s.And(s2)).ToString();
Assert.AreEqual(expecting, result);
}
public void TestEmptyIntersectionSingleElements()
{
IntervalSet s = IntervalSet.Of('a');
IntervalSet s2 = IntervalSet.Of('d');
String expecting = "{}";
String result = (s.And(s2)).ToString();
Assert.AreEqual(expecting, result);
}
public void TestIntersectionWithTwoContainedElementsReversed()
{
IntervalSet s = IntervalSet.Of(10, 20);
IntervalSet s2 = IntervalSet.Of(2, 2);
s2.Add(15);
s2.Add(18);
String expecting = "{15, 18}";
String result = (s2.And(s)).ToString();
Assert.AreEqual(expecting, result);
}
public void TestNotRIntersectionNotT()
{
IntervalSet s = IntervalSet.Of(0, 's');
s.Add('u', 200);
IntervalSet s2 = IntervalSet.Of(0, 'q');
s2.Add('s', 200);
String expecting = "{0..113, 115, 117..200}";
String result = (s.And(s2)).ToString();
Assert.AreEqual(expecting, result);
}