public function testListCheckouts()
{
$cc = new ConcurrencyCheck('CCUnitTest', self::$users['user1']->user);
$cc->checkout(1337);
$cc->checkout(1338);
$output = $cc->listCheckouts();
$this->assertTrue($output[1337] && $output[1338], "Current checkouts are present");
$this->assertEquals(self::$users['user1']->user->getId(), $output[1337]['cc_user'], "User matches");
$this->assertTrue(array_key_exists('cc_expiration', $output[1337]), "Expiration exists");
$this->assertTrue($output[1337]['mine'], "Ownership flag set");
}
