| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "net/android/cellular_signal_strength.h" |
| |
| #include <stdint.h> |
| |
| #include "base/optional.h" |
| #include "net/base/network_change_notifier.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace net { |
| |
| namespace { |
| |
| TEST(CellularSignalStrengthAndroidTest, SignalStrengthLevelTest) { |
| base::Optional<int32_t> signal_strength = |
| android::cellular_signal_strength::GetSignalStrengthLevel(); |
| |
| // Signal strength is unavailable if the device does not have an active |
| // cellular connection. |
| if (!NetworkChangeNotifier::IsConnectionCellular( |
| NetworkChangeNotifier::GetConnectionType())) { |
| EXPECT_FALSE(signal_strength); |
| return; |
| } |
| |
| EXPECT_TRUE(signal_strength); |
| EXPECT_LE(0, signal_strength.value()); |
| EXPECT_GE(4, signal_strength.value()); |
| } |
| |
| } // namespace |
| |
| } // namespace net |