public function testDeleteWithScope()
{
$adapter = new XCache(array('scope' => 'primary'));
xcache_set('primary:key1', 'test1', 60);
xcache_set('key1', 'test2', 60);
$keys = array('key1');
$expected = array('key1' => 'test1');
$result = $adapter->delete($keys);
$this->assertEqual($expected, $result);
$result = xcache_isset('key1');
$this->assertTrue($result);
$result = xcache_isset('primary:key1');
$this->assertFalse($result);
}