90   EnvPosixTest() : env_(Env::Default()), direct_io_(false) {}  in EnvPosixTest()
106       Env::Default()->SleepForMicroseconds(kDelayMicros);  in WaitThreadPoolsEmpty()
109       Env::Default()->SleepForMicroseconds(kDelayMicros);  in WaitThreadPoolsEmpty()
125     Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_F()
150   auto* env = Env::Default();  in TEST_F()
171   if (env_ == Env::Default()) {  in TEST_F()
316     Env::Default()->SleepForMicroseconds(1);  in TEST_P()
356   Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_P()
391     Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_P()
596   Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_P()
625   Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_P()
628   Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_P()
631   Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_P()
634   Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_P()
637   Env::Default()->SleepForMicroseconds(kDelayMicros * 50);  in TEST_P()
673   Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_P()
695   Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_P()
701   Env::Default()->SleepForMicroseconds(kDelayMicros);  in TEST_P()
897   if (env_ == Env::Default()) {  in TEST_P()
942   if (env_ == Env::Default()) {  in TEST_P()
1031   if (env_ == Env::Default()) {  in TEST_P()
1072   if (env_ == Env::Default()) {  in TEST_P()
1901     explicit TestEnv() : EnvWrapper(Env::Default()),  in TEST_P()
1966                         ::testing::Values(std::pair<Env*, bool>(Env::Default(),  in TEST_P()
1970                         ::testing::Values(std::pair<Env*, bool>(Env::Default(),  in TEST_P()
1976     NewChrootEnv(Env::Default(), test::TmpDir(Env::Default())));  in TEST_P()
1994     env_ = env_non_null ? (env_default ? Env::Default() : nullptr) : nullptr;  in TEST_P()
1996               ? FileSystem::Default()  in TEST_P()
1997               : std::make_shared<FaultInjectionTestFS>(FileSystem::Default());  in TEST_P()
2002       env_ptr_ = std::unique_ptr<Env>(new FaultInjectionTestEnv(Env::Default()));  in TEST_P()
2006       env_ptr_.reset(new FaultInjectionTestEnv(Env::Default()));  in TEST_P()
2037       ASSERT_NE(FileSystem::Default().get(), env_->GetFileSystem().get());  in TEST_P()
2079     std::make_shared<FaultInjectionTestFS>(FileSystem::Default());  in TEST_P()
2081     std::make_shared<FaultInjectionTestFS>(FileSystem::Default());  in TEST_P()
2084   Env::Default()->SetBackgroundThreads(8, Env::HIGH);  in TEST_P()
2085   Env::Default()->SetBackgroundThreads(16, Env::LOW);  in TEST_P()