public function testIndex()
{
$item1 = 'item 1';
$item2 = 'item 2';
$item3 = 'item 3';
$items = [$item1, $item2];
$list = new ArrayList($items);
$index1 = $list->indexOf($item1);
$this->assertEquals(0, $index1);
$this->assertEquals(1, $list->indexOf($item2));
$this->assertFalse($list->indexOf($item3));
$list->removeAll($items);
$list->addAll($items);
$this->assertEquals(2, $list->size());
$this->assertEquals($index1, $list->indexOf($item1));
$list->add($item3, 1);
$this->assertEquals($item3, $list->get(1));
$this->assertEquals($item2, $list->get(2));
}
/**
* A list of tags sorted by tag-name
*
* @return ArrayList
*/
public function getSortedTags()
{
if ($this->comparator === null) {
$this->comparator = new TagNameComparator();
}
// 1) group by tag name
$group = new Map();
foreach ($this->tags as $tag) {
if (!$group->has($tag->getTagName())) {
$group->set($tag->getTagName(), new ArrayList());
}
$group->get($tag->getTagName())->add($tag);
}
// 2) Sort the group by tag name
$group->sortKeys(new TagNameComparator());
// 3) flatten the group
$sorted = new ArrayList();
foreach ($group->values() as $tags) {
$sorted->addAll($tags);
}
return $sorted;
}
