public function testClear()
{
$set1 = new Set([1, 6, 4, 3]);
$this->assertEquals($set1->size(), 4);
$set1->clear();
$this->assertTrue($set1->isEmpty());
$this->assertEquals($set1->size(), 0);
$set1->add('foo');
$this->assertEquals($set1->count(), 1);
}
/**
* Checks if the collection is empty or not.
*
* @return bool TRUE if the collection does not contain any element, FALSE otherwise.
*/
public function isEmpty()
{
if ($this->guard !== null) {
$this->guard->checkMemberGuard(new GuardPermission(__FUNCTION__, 'call'));
}
return $this->set->isEmpty();
}
