14     private $cache;  variable in cache_use_test
26         $this->cache = new CacheRenderer($ID, $file, 'xhtml');
27         $this->cache->storeCache('Test');
32         touch($this->cache->cache, $time);
46         $this->assertFalse($this->cache->useCache());
47         $this->assertNotEmpty($this->cache->depends['purge']);
55         touch($this->cache->file, filemtime($this->cache->cache));
56         $this->assertFalse($this->cache->useCache());
67         touch($this->cache->file, $time - 1);
68         touch($this->cache->cache, $time);
70         $this->assertFalse($this->cache->useCache(array('age' => $age)));
80         $this->assertFalse($this->cache->useCache());
81         $this->assertNotEmpty($this->cache->isNoCache());