@Test
void isEmptyTest() {
final HopscotchCollection<Integer> hopscotchCollection = new HopscotchCollection<>();
Assert.assertTrue(hopscotchCollection.isEmpty());
hopscotchCollection.add(1);
Assert.assertFalse(hopscotchCollection.isEmpty());
}
@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 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());
}
