@Test
public void testToArrayWithParam() {
addStringsToCollection(bag);
Set<String> expected = new HashSet<>();
addStringsToCollection(expected);
Assert.assertEquals(expected.toArray(), bag.toArray(new Object[bag.uniqueSize()]));
}
@Test
public void testUniqueSize() {
addStringsToCollection(bag);
List<String> expected = new ArrayList<>();
addStringsToCollection(expected);
Assert.assertEquals(expected.size(), bag.uniqueSize());
}