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