Expose cellular signal strength on Android to native

net/android/cellular_signal_strength_unittest.cc

Index: net/android/cellular_signal_strength_unittest.cc
diff --git a/net/android/cellular_signal_strength_unittest.cc b/net/android/cellular_signal_strength_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f2afc61c1187503e58db907e92b0263720d9cd86
--- /dev/null
+++ b/net/android/cellular_signal_strength_unittest.cc
@@ -0,0 +1,36 @@
+// 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 "testing/gtest/include/gtest/gtest.h"
+
+namespace net {
+
+namespace {
+
+// This test should be run manually since the device needs to have an active
+// cellular connection.
+TEST(CellularSignalStrengthAndroidTest, DISABLED_RssiTest) {

[pauljensen, 2016/05/23 12:25:10]

why are these tests disabled?

[tbansal1, 2016/06/09 17:50:30]

The test device needs to have an active cellular connection for these tests to
run.

+  int rssi = INT32_MIN;
+  EXPECT_TRUE(android::cellular_signal_strength::GetRssiDbm(&rssi));
+  // RSSI (in dbM) should typically be between -100 and 0.
+  EXPECT_LE(-100, rssi);
+  EXPECT_GE(0, rssi);
+}
+
+// This test should be run manually since the device needs to have an active
+// cellular connection.
+TEST(CellularSignalStrengthAndroidTest, DISABLED_SignalLevelTest) {
+  int signal_level = INT32_MIN;
+  EXPECT_TRUE(android::cellular_signal_strength::GetSignalLevel(&signal_level));
+  EXPECT_LE(0, signal_level);
+  EXPECT_GE(4, signal_level);
+}
+
+}  // namespace
+
+}  // namespace net