public function testSegments()
{
$p = new Path('this/is/the/path/to/my/file.ext');
$this->assertEquals(new ArrayObject(['this', 'is', 'the', 'path', 'to', 'my', 'file.ext']), $p->segments());
$this->assertEquals(7, $p->segmentCount());
$this->assertNull($p->segment(-1));
$this->assertEquals('is', $p->segment(1));
$this->assertEquals('file.ext', $p->lastSegment());
$this->assertEquals('this/is/the', $p->upToSegment(3)->toString());
$this->assertEquals('the/path/to/my/file.ext', $p->removeFirstSegments(2)->toString());
$this->assertEquals('this/is/the/path/to', $p->removeLastSegments(2)->toString());
$this->assertEquals('file.ext', $p->lastSegment());
$this->assertEquals('', $p->upToSegment(0)->toString());
}
/**
* Returns a count of the number of segments which match in this
* path and the given path, comparing in increasing segment number order.
*
* @param Path $anotherPath
* @return int
*/
public function matchingFirstSegments(Path $anotherPath)
{
$segments = $anotherPath->segments();
$count = 0;
foreach ($this->segments as $i => $segment) {
if ($segment != $segments[$i]) {
break;
}
$count++;
}
return $count;
}
