219         mFrontend = frontend;  in openFrontendById()
226     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in setFrontendCallback()
228     auto callbackStatus = mFrontend->setCallback(mFrontendCallback);  in setFrontendCallback()
239     mFrontendCallback->scanTest(mFrontend, config, type);  in scanFrontend()
244     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in stopScanFrontend()
246     status = mFrontend->stopScan();  in stopScanFrontend()
252     ASSERT_TRUE(mFrontend) << "Frontend is not opened yet.";  in verifyFrontendStatus()
256     mFrontend->getStatus(statusTypes, [&](Result result, const hidl_vec<FrontendStatus>& statuses) {  in verifyFrontendStatus()
386     mFrontendCallback->tuneTestOnLock(mFrontend, config.settings);  in tuneFrontend()
395     return AssertionResult(mFrontend->setLnb(lnbId) == Result::SUCCESS);  in setLnb()
399     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in stopTuneFrontend()
401     status = mFrontend->stopTune();  in stopTuneFrontend()
411     EXPECT_TRUE(mFrontend) << "Test with openFrontendById first.";  in closeFrontend()
413     status = mFrontend->close();  in closeFrontend()
414     mFrontend = nullptr;  in closeFrontend()