public function testSortKeys()
{
$map = new Map(['b' => 'bval', 'a' => 'aval', 'c' => 'cval']);
$map->sortKeys();
$this->assertEquals(['a' => 'aval', 'b' => 'bval', 'c' => 'cval'], $map->toArray());
$map = new Map(['b' => 'bval', 'a' => 'aval', 'c' => 'cval']);
$map->sortKeys(function ($a, $b) {
if ($a == $b) {
return 0;
}
return $a < $b ? -1 : 1;
});
$this->assertEquals(['a' => 'aval', 'b' => 'bval', 'c' => 'cval'], $map->toArray());
$map = new Map(['b' => 'bval', 'a' => 'aval', 'c' => 'cval']);
$map->sortKeys(new StringComparator());
$this->assertEquals(['a' => 'aval', 'b' => 'bval', 'c' => 'cval'], $map->toArray());
}
/**
* A list of tags sorted by tag-name
*
* @return ArrayList
*/
public function getSortedTags()
{
if ($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;
}
