public static void testConstructor() { SeqnoRange range = new SeqnoRange(10, 10); System.out.println(print(range)); assert range.size() == 1; assert range.getLow() == 10; assert range.getHigh() == 10; assert range.contains(10); assert !range.contains(11); range = new SeqnoRange(10, 15); System.out.println(print(range)); assert range.size() == 6; assert range.getLow() == 10; assert range.getHigh() == 15; assert range.contains(10); assert range.contains(14); }