public static void testGetBits() {
SeqnoRange range = new SeqnoRange(1, 100);
System.out.println("range = " + range);
assert range.size() == 100;
Collection<Range> bits = range.getBits(false);
assert bits.size() == 1;
Range tmp = bits.iterator().next();
assert tmp.low == 1 && tmp.high == 100;
range.set(1, 2);
assert range.size() == 100;
bits = range.getBits(true);
assert bits != null && bits.size() == 1; // 1 range: [1-2]
tmp = bits.iterator().next();
assert tmp.low == 1 && tmp.high == 2;
for (int i = 1; i < 100; i++) range.set(i);
bits = range.getBits(false);
assert bits.size() == 1;
tmp = bits.iterator().next();
assert tmp.low == 100 && tmp.high == 100;
for (int i = 1; i <= range.size(); i++) range.clear(i);
for (int i = 2; i <= 99; i++) range.set(i);
bits = range.getBits(true);
assert bits.size() == 1;
tmp = bits.iterator().next();
assert tmp.low == 2 && tmp.high == 99;
bits = range.getBits(false);
assert bits.size() == 2;
tmp = bits.iterator().next();
assert tmp.low == 1 && tmp.high == 1;
Iterator<Range> it = bits.iterator();
it.next();
tmp = it.next();
assert tmp.low == 100 && tmp.high == 100;
}
