public static void testLargeRange() {
SeqnoRange range = new SeqnoRange(0, 1500);
Set<Integer> sorted_set = new TreeSet<>();
for (int i = 0; i < 500; i++) {
int num = (int) Util.random(1499);
sorted_set.add(num);
}
for (int num : sorted_set) range.set(num);
int num_set = sorted_set.size();
System.out.println("set " + num_set + " bits");
assert range.getNumberOfReceivedMessages() == num_set;
Collection<Range> missing = range.getMessagesToRetransmit();
System.out.println("missing = " + missing);
}
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);
}
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;
}
public static void testSetAndGetWith5Seqnos() {
SeqnoRange range = new SeqnoRange(10, 15);
System.out.println("range=" + print(range));
assert range.size() == 6;
assert range.getNumberOfMissingMessages() == 6;
assert range.getNumberOfReceivedMessages() == 0;
range.set(10);
assert range.getNumberOfMissingMessages() == 5;
assert range.getNumberOfReceivedMessages() == 1;
assert range.get(10);
range.set(13);
assert range.size() == 6;
assert range.getNumberOfMissingMessages() == 4;
assert range.getNumberOfReceivedMessages() == 2;
range.set(13);
assert range.size() == 6;
assert range.getNumberOfMissingMessages() == 4;
assert range.getNumberOfReceivedMessages() == 2;
System.out.println("range=" + print(range));
Collection<Range> xmits = range.getMessagesToRetransmit();
Collection<Range> cleared_bits = range.getBits(false);
System.out.println("xmits = " + xmits);
System.out.println("cleared_bits = " + cleared_bits);
assert xmits.equals(cleared_bits);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public static void testSetOfInvalidIndex() {
SeqnoRange range = new SeqnoRange(10, 10);
range.set(9);
}
public static void testSet() {
SeqnoRange range = new SeqnoRange(10, 15);
range.set(11, 12, 13, 14);
System.out.println("range=" + print(range));
assert range.size() == 6;
assert range.getNumberOfReceivedMessages() == 4;
assert range.getNumberOfMissingMessages() == 2;
Collection<Range> xmits = range.getMessagesToRetransmit();
assert xmits.size() == 2;
Iterator<Range> it = xmits.iterator();
Range r = it.next();
assert r.low == 10 && r.high == 10;
r = it.next();
assert r.low == 15 && r.high == 15;
range = new SeqnoRange(10, 15);
range.set(10, 11, 12, 13, 14);
System.out.println("range=" + print(range));
assert range.size() == 6;
assert range.getNumberOfReceivedMessages() == 5;
assert range.getNumberOfMissingMessages() == 1;
xmits = range.getMessagesToRetransmit();
assert xmits.size() == 1;
it = xmits.iterator();
r = it.next();
assert r.low == 15 && r.high == 15;
range = new SeqnoRange(10, 15);
range.set(11, 12, 13, 14, 15);
System.out.println("range=" + print(range));
assert range.size() == 6;
assert range.getNumberOfReceivedMessages() == 5;
assert range.getNumberOfMissingMessages() == 1;
xmits = range.getMessagesToRetransmit();
assert xmits.size() == 1;
it = xmits.iterator();
r = it.next();
assert r.low == 10 && r.high == 10;
range = new SeqnoRange(10, 15);
range.set(10, 11, 12, 13, 14, 15);
System.out.println("range=" + print(range));
assert range.size() == 6;
assert range.getNumberOfReceivedMessages() == 6;
assert range.getNumberOfMissingMessages() == 0;
xmits = range.getMessagesToRetransmit();
assert xmits.isEmpty();
range = new SeqnoRange(10, 15);
range.set(11, 12, 14, 15);
System.out.println("range=" + print(range));
assert range.size() == 6;
assert range.getNumberOfReceivedMessages() == 4;
assert range.getNumberOfMissingMessages() == 2;
xmits = range.getMessagesToRetransmit();
assert xmits.size() == 2;
it = xmits.iterator();
r = it.next();
assert r.low == 10 && r.high == 10;
r = it.next();
assert r.low == 13 && r.high == 13;
range.set(13);
assert range.getNumberOfReceivedMessages() == 5;
assert range.getNumberOfMissingMessages() == 1;
xmits = range.getMessagesToRetransmit();
it = xmits.iterator();
r = it.next();
assert r.low == 10 && r.high == 10;
range.set(10);
System.out.println("range=" + print(range));
assert range.getNumberOfReceivedMessages() == 6;
assert range.getNumberOfMissingMessages() == 0;
xmits = range.getMessagesToRetransmit();
assert xmits.isEmpty();
}