/**
* @depends testAdd
* @param Set
* @return Set
*/
public function testAddDuplicate(Set $setObject)
{
$this->assertFalse($setObject->add(11));
// duplicate element
$array = array();
foreach ($setObject as $key => $value) {
$array[] = $value;
}
$this->assertEquals(12, count($array));
}
