public function testAddGetRemove()
{
$key1 = 'key1';
$key2 = 'key2';
$key3 = 'key3';
$item1 = 'item 1';
$item2 = 'item 2';
$item3 = 'item 3';
$items = [$key1 => $item1, $key2 => $item2];
$keys = new Set([$key1, $key2]);
$values = new ArrayList([$item1, $item2]);
$map = new Map();
$map->set($key1, $item1);
$this->assertEquals(1, $map->size());
$this->assertEquals($item1, $map->get($key1));
$this->assertEquals($key1, $map->getKey($item1));
$this->assertNull($map->getKey($item2));
$this->assertTrue($map->has($key1));
$this->assertFalse($map->has($key2));
$map->remove($key1);
$this->assertEquals(0, $map->size());
$map->setAll($items);
$this->assertEquals(2, $map->size());
$this->assertEquals($keys, $map->keys());
$this->assertEquals($values, $map->values());
$map->set($key3, $item3);
$this->assertEquals(3, $map->size());
$map->clear();
$this->assertEquals(0, $map->size());
$dupKeyItems = [$key1 => $item1, $key2 => $item2];
$map->setAll($dupKeyItems);
$map->set($key2, $item3);
$this->assertEquals(2, $map->size());
$this->assertEquals($item3, $map->get($key2));
$this->assertEmpty($map->get('non_existing_key'));
$this->assertEmpty($map->remove('non_existing_key'));
$this->assertEquals([], $map->get('non_existing_key', []));
}
/**
* A list of tags sorted by tag-name
*
* @return ArrayList
*/
public function getSortedTags()
{
if ($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;
}
