public function testPreviousUntil()
{
$root = new RootNode();
$parent_one = $this->createParentNode();
$parent_one->appendTo($root);
$one = $this->createNode();
$one->appendTo($parent_one);
$two = $this->createNode();
$two->appendTo($parent_one);
$three = $this->createNode();
$three->appendTo($parent_one);
$parent_two = $this->createParentNode();
$parent_two->appendTo($root);
$first = $this->createNode();
$first->appendTo($parent_two);
$second = $this->createNode();
$second->appendTo($parent_two);
$third = $this->createNode();
$third->appendTo($parent_two);
$collection = new NodeCollection([$three, $third], FALSE);
$matches = $collection->previousUntil(function (Node $node) {
return $node->previous() === NULL;
});
$this->assertCount(2, $matches);
$this->assertSame($two, $matches[0]);
$this->assertSame($second, $matches[1]);
}
