@Test
void isEmptyTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>();
Assert.assertTrue(hopscotchCollection.isEmpty());
hopscotchCollection.add(1);
Assert.assertFalse(hopscotchCollection.isEmpty());
}
@Test
void clearTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>(testVals);
hopscotchCollection.clear();
Assert.assertEquals(hopscotchCollection.size(), 0);
Assert.assertEquals(SVUtils.iteratorSize(hopscotchCollection.iterator()), 0);
}
@Test
void findTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>(testVals);
for (final Integer value : testVals) {
Assert.assertEquals(hopscotchCollection.find(value), value);
}
Assert.assertNull(hopscotchCollection.find(notInTestVals));
}
@Test
void addTest() {
final HopscotchCollection<Integer> hopscotchCollection =
new HopscotchCollection<>(testVals.size());
testVals.stream().forEach(hopscotchCollection::add);
Assert.assertEquals(hopscotchCollection.size(), testVals.size());
Assert.assertTrue(hopscotchCollection.containsAll(testVals));
}
@Test
void removeAllTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>(testVals);
Assert.assertFalse(hopscotchCollection.removeAll(Arrays.asList(notInTestVals)));
Assert.assertTrue(hopscotchCollection.removeAll(Arrays.asList(testVals.get(0))));
Assert.assertTrue(hopscotchCollection.removeAll(new HashSet<Integer>(testVals)));
Assert.assertTrue(hopscotchCollection.isEmpty());
}
@Test
void removeEachTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>(testVals);
Assert.assertFalse(hopscotchCollection.removeEach(notInTestVals));
for (final Integer value : new HashSet<Integer>(testVals)) {
Assert.assertTrue(hopscotchCollection.removeEach(value));
}
Assert.assertTrue(hopscotchCollection.isEmpty());
}
@Test
void findEachTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>(testVals);
for (final Integer value : testVals) {
Assert.assertEquals(
SVUtils.iteratorSize(hopscotchCollection.findEach(value)),
testVals.stream().filter(i -> i.equals(value)).count());
}
Assert.assertEquals(SVUtils.iteratorSize(hopscotchCollection.findEach(notInTestVals)), 0);
}
@Test
void resizeTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>(1);
final int N_ENTRIES = 1000000;
for (int idx = 0; idx != N_ENTRIES; ++idx) {
hopscotchCollection.add(idx);
}
Assert.assertEquals(hopscotchCollection.size(), N_ENTRIES);
Assert.assertEquals(hopscotchCollection.stream().mapToInt(i -> i).min().orElse(-1), 0);
Assert.assertEquals(
hopscotchCollection.stream().mapToInt(i -> i).max().orElse(-1), N_ENTRIES - 1);
}
@Test
void sizeTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>();
Assert.assertEquals(hopscotchCollection.size(), 0);
hopscotchCollection.addAll(testVals);
Assert.assertEquals(hopscotchCollection.size(), testVals.size());
hopscotchCollection.add(notInTestVals);
Assert.assertEquals(hopscotchCollection.size(), testVals.size() + 1);
hopscotchCollection.removeEach(notInTestVals);
Assert.assertEquals(hopscotchCollection.size(), testVals.size());
hopscotchCollection.clear();
Assert.assertEquals(hopscotchCollection.size(), 0);
}
@Test
void iteratorTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>(testVals);
Assert.assertEquals(SVUtils.iteratorSize(hopscotchCollection.iterator()), testVals.size());
final Integer KEY_TO_REMOVE = 1;
final Iterator<Integer> itr1 = hopscotchCollection.iterator();
while (itr1.hasNext()) {
if (itr1.next().equals(KEY_TO_REMOVE)) itr1.remove();
}
final int onesCount = (int) testVals.stream().filter(i -> i.equals(KEY_TO_REMOVE)).count();
Assert.assertEquals(hopscotchCollection.size(), testVals.size() - onesCount);
Assert.assertEquals(
SVUtils.iteratorSize(hopscotchCollection.iterator()), hopscotchCollection.size());
final Iterator<Integer> itr2 = hopscotchCollection.iterator();
while (itr2.hasNext()) {
itr2.next();
itr2.remove();
}
Assert.assertTrue(hopscotchCollection.isEmpty());
Assert.assertEquals(
SVUtils.iteratorSize(hopscotchCollection.iterator()), hopscotchCollection.size());
}
@Test
void containsTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>(testVals);
Assert.assertTrue(hopscotchCollection.containsAll(testVals));
Assert.assertFalse(hopscotchCollection.contains(notInTestVals));
}
@Test
void createFromCollectionTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>(testVals);
Assert.assertEquals(hopscotchCollection.size(), testVals.size());
Assert.assertTrue(hopscotchCollection.containsAll(testVals));
}
