/**
* @covers BackBee\NestedNode\Page::getRootContentSetPosition
*/
public function testGetRootContentSetPosition()
{
$column1 = $this->page->getContentSet()->first();
$column2 = $this->page->getContentSet()->last();
$this->assertEquals(0, $this->page->getRootContentSetPosition($column1));
$this->assertEquals(1, $this->page->getRootContentSetPosition($column2));
$this->assertFalse($this->page->getRootContentSetPosition(new ContentSet()));
}