public function testTagCollection()
{
$track = new Track();
$this->assertFalse($track->containsTag('t'));
$track->addTag('t');
$this->assertTrue($track->containsTag('t'));
$track->removeTag('t');
$this->assertFalse($track->containsTag('t'));
//Repeat Tag
$this->assertFalse($track->containsTag('t'));
$track->addTag('t');
$track->addTag('t');
$this->assertTrue($track->containsTag('t'));
$track->removeTag('t');
$this->assertFalse($track->containsTag('t'));
$this->assertFalse($track->removeTag('t'));
//containsAllTag and containsAnyTag
$track->addTag('t1');
$track->addTag('t2');
$track->addTag('t3');
$this->assertTrue($track->containsAnyTag(array('t0', 't2')));
$this->assertTrue($track->containsAnyTag(array('t2', 't3')));
$this->assertFalse($track->containsAnyTag(array('t0', 't4')));
$this->assertTrue($track->containsAllTags(array('t1', 't2')));
$this->assertTrue($track->containsAllTags(array('t1')));
$this->assertFalse($track->containsAllTags(array('t0', 't2')));
$this->assertFalse($track->containsAllTags(array('t0', 't1', 't2', 't3')));
}
