private void testIterator_ConcurrentModification_poll(MinHeap<HasIndex> pq) { DummyHeapEntry entry0 = new DummyHeapEntry(5); DummyHeapEntry entry1 = new DummyHeapEntry(3); DummyHeapEntry entry2 = new DummyHeapEntry(6); pq.add(entry0, 5.0); pq.add(entry1, 3.0); pq.add(entry2, 6.0); Iterator<?> iter = pq.iterator(); Assert.assertTrue(iter.hasNext()); Assert.assertNotNull(iter.next()); pq.poll(); Assert.assertTrue(iter.hasNext()); try { iter.next(); Assert.fail("missing ConcurrentModificationException"); } catch (ConcurrentModificationException e) { log.info("catched expected exception.", e); } iter = pq.iterator(); // but a new iterator must work again Assert.assertTrue(iter.hasNext()); Assert.assertNotNull(iter.next()); }
private void testAdd_Null(MinHeap<HasIndex> pq) { try { pq.add(null, 1.0); Assert.fail("missing NullPointerException."); } catch (NullPointerException e) { log.info("catched expected exception. ", e); } Assert.assertEquals(0, pq.size()); Assert.assertEquals(0, iteratorElementCount(pq.iterator())); }
private void testIterator_ConcurrentModification_add(MinHeap<HasIndex> pq) { DummyHeapEntry entry0 = new DummyHeapEntry(5); DummyHeapEntry entry1 = new DummyHeapEntry(3); DummyHeapEntry entry2 = new DummyHeapEntry(6); DummyHeapEntry entry3 = new DummyHeapEntry(4); pq.add(entry0, 5.0); pq.add(entry1, 3.0); pq.add(entry2, 6.0); Iterator<?> iter = pq.iterator(); Assert.assertTrue(iter.hasNext()); Assert.assertNotNull(iter.next()); pq.add(entry3, 4.0); Assert.assertTrue(iter.hasNext()); try { iter.next(); Assert.fail("missing ConcurrentModificationException"); } catch (ConcurrentModificationException e) { log.info("catched expected exception.", e); } iter = pq.iterator(); // but a new iterator must work again Assert.assertTrue(iter.hasNext()); Assert.assertNotNull(iter.next()); }
private void testIterator_RemoveUnsupported(MinHeap<HasIndex> pq) { DummyHeapEntry entry0 = new DummyHeapEntry(5); DummyHeapEntry entry1 = new DummyHeapEntry(3); DummyHeapEntry entry2 = new DummyHeapEntry(6); pq.add(entry0, 5.0); pq.add(entry1, 3.0); pq.add(entry2, 6.0); Iterator<?> iter = pq.iterator(); Assert.assertTrue(iter.hasNext()); Assert.assertNotNull(iter.next()); try { iter.remove(); Assert.fail("missing UnsupportedOperationException"); } catch (UnsupportedOperationException e) { log.info("catched expected exception.", e); } }
private void testIterator(MinHeap<HasIndex> pq) { DummyHeapEntry entry0 = new DummyHeapEntry(5); DummyHeapEntry entry1 = new DummyHeapEntry(3); DummyHeapEntry entry2 = new DummyHeapEntry(6); DummyHeapEntry entry3 = new DummyHeapEntry(4); pq.add(entry0, 5.0); pq.add(entry1, 3.0); pq.add(entry2, 6.0); Collection<?> coll = getIteratorCollection(pq.iterator()); Assert.assertEquals(3, coll.size()); Assert.assertTrue(coll.contains(entry0)); Assert.assertTrue(coll.contains(entry1)); Assert.assertTrue(coll.contains(entry2)); Assert.assertFalse(coll.contains(entry3)); }
private void testIterator_ConcurrentModification_remove(MinHeap<HasIndex> pq) { DummyHeapEntry entry0 = new DummyHeapEntry(5); DummyHeapEntry entry1 = new DummyHeapEntry(3); DummyHeapEntry entry2 = new DummyHeapEntry(6); pq.add(entry0, 5.0); pq.add(entry1, 3.0); pq.add(entry2, 6.0); Iterator<?> iter = pq.iterator(); Assert.assertTrue(iter.hasNext()); Assert.assertNotNull(iter.next()); Assert.assertTrue(pq.remove(entry0)); Assert.assertTrue(iter.hasNext()); try { iter.next(); Assert.fail("missing ConcurrentModificationException"); } catch (ConcurrentModificationException e) { log.info("catched expected exception.", e); } iter = pq.iterator(); // but a new iterator must work again Assert.assertTrue(iter.hasNext()); Assert.assertNotNull(iter.next()); Assert.assertFalse(pq.remove(entry0)); // cannot be removed, so it's no change Assert.assertTrue(iter.hasNext()); Assert.assertNotNull(iter.next()); }
pq.add(entry2, 6.0); Collection<?> coll = getIteratorCollection(pq.iterator()); Assert.assertEquals(3, coll.size()); Assert.assertTrue(coll.contains(entry0)); coll = getIteratorCollection(pq.iterator()); Assert.assertEquals(2, coll.size()); Assert.assertFalse(coll.contains(entry0)); coll = getIteratorCollection(pq.iterator()); Assert.assertEquals(2, coll.size()); coll = getIteratorCollection(pq.iterator()); Assert.assertEquals(2, coll.size()); Assert.assertTrue(coll.contains(entry1));
private void testAdd(MinHeap<HasIndex> pq) { DummyHeapEntry entry0 = new DummyHeapEntry(5); DummyHeapEntry entry1 = new DummyHeapEntry(3); DummyHeapEntry entry2 = new DummyHeapEntry(6); Assert.assertEquals(0, pq.size()); pq.add(entry0, 1.0); Assert.assertEquals(1, pq.size()); pq.add(entry1, 2.0); Assert.assertEquals(2, pq.size()); pq.add(entry2, 2.0); // different element with same priority Assert.assertEquals(3, pq.size()); pq.add(entry2, 3.0); // same element with different priority Assert.assertEquals(3, pq.size()); // should not be added! Assert.assertEquals(3, iteratorElementCount(pq.iterator())); }