public function testDecrementWithScope()
{
$adapter = new Apc(array('scope' => 'primary'));
apc_store('primary:key1', 1, 60);
apc_store('key1', 1, 60);
$adapter->decrement('key1');
$expected = 1;
$result = apc_fetch('key1');
$this->assertEqual($expected, $result);
$expected = 0;
$result = apc_fetch('primary:key1');
$this->assertEqual($expected, $result);
}