38     if (cache_) {  in ~PersistentCacheTierTest()
39       Status s = cache_->Close();  in ~PersistentCacheTierTest()
47     if (cache_) {  in Flush()
48       cache_->TEST_Flush();  in Flush()
137         Status status = cache_->Insert(key, data, sizeof(data));  in InsertImpl()
164         if (!cache_->Lookup(key, &block, &block_size).ok()) {
171       ASSERT_OK(cache_->Lookup(key, &block, &block_size));
185     cache_->Close();  in RunInsertTest()
186     cache_.reset();  in RunInsertTest()
196     cache_->Close();  in RunNegativeInsertTest()
197     cache_.reset();  in RunNegativeInsertTest()
208     cache_->Close();  in RunInsertTestWithEviction()
209     cache_.reset();  in RunInsertTestWithEviction()
214   std::shared_ptr<PersistentCacheTier> cache_;  variable