public function testFallbackPrecedenceWhenServerRemoved()
{
$mockHasher = new MockHasher();
$hashSpace = new Flexihash($mockHasher, 1);
$mockHasher->setHashValue(10);
$hashSpace->addTarget("t1");
$mockHasher->setHashValue(20);
$hashSpace->addTarget("t2");
$mockHasher->setHashValue(30);
$hashSpace->addTarget("t3");
$mockHasher->setHashValue(15);
$this->assertEqual($hashSpace->lookup('resource'), 't2');
$this->assertEqual($hashSpace->lookupList('resource', 3), array('t2', 't3', 't1'));
$hashSpace->removeTarget('t2');
$this->assertEqual($hashSpace->lookup('resource'), 't3');
$this->assertEqual($hashSpace->lookupList('resource', 3), array('t3', 't1'));
$hashSpace->removeTarget('t3');
$this->assertEqual($hashSpace->lookup('resource'), 't1');
$this->assertEqual($hashSpace->lookupList('resource', 3), array('t1'));
}
