public function testMutators()
{
$base = ['b', 'c', 'd'];
$arr = new ArrayObject($base);
$arr->push('e', 'f');
$this->assertEquals(['b', 'c', 'd', 'e', 'f'], $arr->toArray());
$this->assertEquals('f', $arr->pop());
$this->assertEquals('e', $arr->pop());
$arr->prepend('a');
$this->assertEquals(['a', 'b', 'c', 'd'], $arr->toArray());
$this->assertEquals('a', $arr->shift());
$this->assertEquals($base, $arr->toArray());
}
/**
* Returns a copy of this path truncated after the given number of segments.
*
* @param int $count
* @return Path
*/
public function upToSegment($count)
{
$segments = new ArrayObject();
for ($i = 0; $i < $count; $i++) {
$segments->push($this->segments[$i]);
}
return new Path($segments->join('/'));
}
