public function test_flush_group() { if (!is_a($this->memcache, 'AkCache')) { $this->fail('Caching is not enabled. Please enable caching for the unit test'); return; } $retrieved = $this->memcache->get('test_id_10', 'strings'); $this->assertTrue($retrieved != null); $this->memcache->clean('strings'); $retrieved = $this->memcache->get('test_id_10', 'strings'); $this->assertTrue($retrieved == null); $retrieved = $this->memcache->get('test_id_9', 'strings'); $this->assertTrue($retrieved == null); $retrieved = $this->memcache->get('test_id_8', 'strings'); $this->assertTrue($retrieved == null); $retrieved = $this->memcache->get('test_id_2', 'integers'); $this->assertTrue($retrieved != null); }