public function testUnregister()
{
$comparator = new TestClassComparator();
$factory = new PHPUnit_Framework_ComparatorFactory();
$factory->register($comparator);
$factory->unregister($comparator);
$a = new TestClass();
$b = new TestClass();
$expected = 'PHPUnit_Framework_Comparator_Object';
if (get_class($factory->getComparatorFor($a, $b)) != $expected) {
var_dump(get_class($factory->getComparatorFor($a, $b)));
$this->fail();
}
}
