@Test
public void testClear() {
BinHeapWrapper<Number, Integer> binHeap = createHeap(100);
binHeap.insert(20, 1);
binHeap.insert(123, 2);
assertEquals(2, binHeap.getSize());
binHeap.clear();
assertEquals(0, binHeap.getSize());
binHeap.insert(123, 2);
assertEquals(1, binHeap.getSize());
assertEquals(2, (int) binHeap.pollElement());
}
@Test
public void testSize() {
PriorityQueue<EdgeEntry> juQueue = new PriorityQueue<EdgeEntry>(100);
BinHeapWrapper<Number, Integer> binHeap = createHeap(100);
Random rand = new Random(1);
int N = 1000;
for (int i = 0; i < N; i++) {
int val = rand.nextInt();
binHeap.insert(val, i);
juQueue.add(new EdgeEntry(EdgeIterator.NO_EDGE, i, val));
}
assertEquals(juQueue.size(), binHeap.getSize());
for (int i = 0; i < N; i++) {
assertEquals(juQueue.poll().adjNode, binHeap.pollElement(), 1e-5);
}
assertEquals(binHeap.getSize(), 0);
}
@Test
public void test0() {
BinHeapWrapper<Number, Integer> binHeap = createHeap(100);
binHeap.insert(123, 0);
assertEquals(123, binHeap.peekKey().intValue());
assertEquals(1, binHeap.getSize());
binHeap.update(12, 0);
assertEquals(12, binHeap.peekKey().intValue());
assertEquals(1, binHeap.getSize());
}
@Test
public void testBasic() {
BinHeapWrapper<Number, Integer> binHeap = createHeap(100);
binHeap.insert(20, 1);
binHeap.insert(123, 2);
binHeap.insert(120, 3);
binHeap.insert(130, 4);
assertEquals(1, (int) binHeap.pollElement());
assertEquals(3, (int) binHeap.pollElement());
assertEquals(2, (int) binHeap.pollElement());
assertEquals(1, (int) binHeap.getSize());
}
@Test
public void testSpreading() {
BinHeapWrapper<Number, Integer> binHeap = createHeap(100);
binHeap.insert(100, 101);
binHeap.insert(49, 51);
binHeap.insert(71, 71);
binHeap.insert(29, 31);
for (int i = 0; i < 20; i++) {
binHeap.insert(i * 10, i * 11);
}
binHeap.insert(59, 61);
binHeap.insert(160, 161);
assertEquals(26, binHeap.getSize());
assertEquals(0, binHeap.pollElement().intValue());
assertEquals(11, binHeap.pollElement().intValue());
assertEquals(22, binHeap.pollElement().intValue());
assertEquals(31, binHeap.pollElement().intValue());
assertEquals(33, binHeap.pollElement().intValue());
assertEquals(44, binHeap.pollElement().intValue());
assertEquals(51, binHeap.pollElement().intValue());
assertEquals(55, binHeap.pollElement().intValue());
assertEquals(61, binHeap.pollElement().intValue());
assertEquals(66, binHeap.pollElement().intValue());
assertEquals(77, binHeap.pollElement().intValue());
assertEquals(15, binHeap.getSize());
}