@Test
public void testGetSet() {
BitSet bitSet = new BitSet(NUM_BITS);
for (int i = 0; i < NUM_BITS; i++) {
assertFalse(bitSet.get(i));
}
bitSet.set(0);
bitSet.set(NUM_BITS - 1);
assertTrue(bitSet.get(0));
assertTrue(bitSet.get(NUM_BITS - 1));
}
@Test
public void testClear() {
BitSet bitSet = new BitSet(NUM_BITS);
for (int i = 0; i < NUM_BITS; i++) {
bitSet.set(i);
}
for (int i = 0; i < NUM_BITS; i++) {
assertTrue(bitSet.get(i));
}
bitSet.clear();
for (int i = 0; i < NUM_BITS; i++) {
assertFalse(bitSet.get(i));
}
}
@Test
public void testClone() {
BitSet bitSet = new BitSet(NUM_BITS);
bitSet.set(NUM_BITS - 1);
bitSet = bitSet.clone();
assertTrue(bitSet.get(NUM_BITS - 1));
}
@Test
public void testNextBitSetRandom() {
RandomGenerator random = RandomManager.getRandom();
for (int i = 0; i < 100; i++) {
BitSet bitSet = new BitSet(NUM_BITS);
for (int j = 0; j < 20 + random.nextInt(50); j++) {
bitSet.set(random.nextInt(NUM_BITS));
}
int from = random.nextInt(NUM_BITS);
int nextSet = bitSet.nextSetBit(from);
if (nextSet == -1) {
for (int j = from; j < NUM_BITS; j++) {
assertFalse(bitSet.get(j));
}
} else {
for (int j = from; j < nextSet; j++) {
assertFalse(bitSet.get(j));
}
assertTrue(bitSet.get(nextSet));
}
}
}
public static boolean get(BitSet b, int index) {
return b != null && b.get(index);
}
