Revert of Reland: Geolocation: move from content/browser to device/ (patchset #2 id:20001 of https:…

device/geolocation/location_arbitrator_impl_unittest.cc

Index: device/geolocation/location_arbitrator_impl_unittest.cc
diff --git a/device/geolocation/location_arbitrator_impl_unittest.cc b/device/geolocation/location_arbitrator_impl_unittest.cc
deleted file mode 100644
index fec25bf3d570d232f3f0914e9bfcec38d9d744ca..0000000000000000000000000000000000000000
--- a/device/geolocation/location_arbitrator_impl_unittest.cc
+++ /dev/null
@@ -1,442 +0,0 @@
-// Copyright (c) 2012 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 "device/geolocation/location_arbitrator_impl.h"
-
-#include <memory>
-
-#include "base/bind.h"
-#include "base/memory/ptr_util.h"
-#include "device/geolocation/fake_access_token_store.h"
-#include "device/geolocation/geolocation_delegate.h"
-#include "device/geolocation/geoposition.h"
-#include "device/geolocation/mock_location_provider.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using ::testing::NiceMock;
-
-namespace device {
-
-class MockLocationObserver {
- public:
-  // Need a vtable for GMock.
-  virtual ~MockLocationObserver() {}
-  void InvalidateLastPosition() {
-    last_position_.latitude = 100;
-    last_position_.error_code = Geoposition::ERROR_CODE_NONE;
-    ASSERT_FALSE(last_position_.Validate());
-  }
-  // Delegate
-  void OnLocationUpdate(const Geoposition& position) {
-    last_position_ = position;
-  }
-
-  Geoposition last_position_;
-};
-
-double g_fake_time_now_secs = 1;
-
-base::Time GetTimeNowForTest() {
-  return base::Time::FromDoubleT(g_fake_time_now_secs);
-}
-
-void AdvanceTimeNow(const base::TimeDelta& delta) {
-  g_fake_time_now_secs += delta.InSecondsF();
-}
-
-void SetPositionFix(MockLocationProvider* provider,
-                    double latitude,
-                    double longitude,
-                    double accuracy) {
-  Geoposition position;
-  position.error_code = Geoposition::ERROR_CODE_NONE;
-  position.latitude = latitude;
-  position.longitude = longitude;
-  position.accuracy = accuracy;
-  position.timestamp = GetTimeNowForTest();
-  ASSERT_TRUE(position.Validate());
-  provider->HandlePositionChanged(position);
-}
-
-void SetReferencePosition(MockLocationProvider* provider) {
-  SetPositionFix(provider, 51.0, -0.1, 400);
-}
-
-namespace {
-
-class FakeGeolocationDelegate : public GeolocationDelegate {
- public:
-  FakeGeolocationDelegate() = default;
-
-  bool UseNetworkLocationProviders() override { return use_network_; }
-  void set_use_network(bool use_network) { use_network_ = use_network; }
-
-  std::unique_ptr<LocationProvider> OverrideSystemLocationProvider() override {
-    DCHECK(!mock_location_provider_);
-    mock_location_provider_ = new MockLocationProvider;
-    return base::WrapUnique(mock_location_provider_);
-  }
-
-  MockLocationProvider* mock_location_provider() const {
-    return mock_location_provider_;
-  }
-
- private:
-  bool use_network_ = true;
-  MockLocationProvider* mock_location_provider_ = nullptr;
-
-  DISALLOW_COPY_AND_ASSIGN(FakeGeolocationDelegate);
-};
-
-}  // namespace
-
-class TestingLocationArbitrator : public LocationArbitratorImpl {
- public:
-  TestingLocationArbitrator(
-      const LocationArbitratorImpl::LocationUpdateCallback& callback,
-      const scoped_refptr<AccessTokenStore>& access_token_store,
-      GeolocationDelegate* delegate)
-      : LocationArbitratorImpl(callback, delegate),
-        cell_(nullptr),
-        gps_(nullptr),
-        access_token_store_(access_token_store) {}
-
-  base::Time GetTimeNow() const override { return GetTimeNowForTest(); }
-
-  scoped_refptr<AccessTokenStore> NewAccessTokenStore() override {
-    return access_token_store_;
-  }
-
-  std::unique_ptr<LocationProvider> NewNetworkLocationProvider(
-      const scoped_refptr<AccessTokenStore>& access_token_store,
-      const scoped_refptr<net::URLRequestContextGetter>& context,
-      const GURL& url,
-      const base::string16& access_token) override {
-    cell_ = new MockLocationProvider;
-    return base::WrapUnique(cell_);
-  }
-
-  std::unique_ptr<LocationProvider> NewSystemLocationProvider() override {
-    gps_ = new MockLocationProvider;
-    return base::WrapUnique(gps_);
-  }
-
-  // Two location providers, with nice short names to make the tests more
-  // readable. Note |gps_| will only be set when there is a high accuracy
-  // observer registered (and |cell_| when there's at least one observer of any
-  // type).
-  // TODO(mvanouwerkerk): rename |cell_| to |network_location_provider_| and
-  // |gps_| to |gps_location_provider_|
-  MockLocationProvider* cell_;
-  MockLocationProvider* gps_;
-  const scoped_refptr<AccessTokenStore> access_token_store_;
-};
-
-class GeolocationLocationArbitratorTest : public testing::Test {
- protected:
-  GeolocationLocationArbitratorTest()
-      : access_token_store_(new NiceMock<FakeAccessTokenStore>),
-        observer_(new MockLocationObserver),
-        delegate_(new GeolocationDelegate) {}
-
-  // Initializes |arbitrator_|, with the possibility of injecting a specific
-  // |delegate|, otherwise a default, no-op GeolocationDelegate is used.
-  void InitializeArbitrator(std::unique_ptr<GeolocationDelegate> delegate) {
-    if (delegate)
-      delegate_ = std::move(delegate);
-    const LocationArbitratorImpl::LocationUpdateCallback callback =
-        base::Bind(&MockLocationObserver::OnLocationUpdate,
-                   base::Unretained(observer_.get()));
-    arbitrator_.reset(new TestingLocationArbitrator(
-        callback, access_token_store_, delegate_.get()));
-  }
-
-  // testing::Test
-  void TearDown() override {}
-
-  void CheckLastPositionInfo(double latitude,
-                             double longitude,
-                             double accuracy) {
-    Geoposition geoposition = observer_->last_position_;
-    EXPECT_TRUE(geoposition.Validate());
-    EXPECT_DOUBLE_EQ(latitude, geoposition.latitude);
-    EXPECT_DOUBLE_EQ(longitude, geoposition.longitude);
-    EXPECT_DOUBLE_EQ(accuracy, geoposition.accuracy);
-  }
-
-  base::TimeDelta SwitchOnFreshnessCliff() {
-    // Add 1, to ensure it meets any greater-than test.
-    return base::TimeDelta::FromMilliseconds(
-        LocationArbitratorImpl::kFixStaleTimeoutMilliseconds + 1);
-  }
-
-  MockLocationProvider* cell() {
-    return arbitrator_->cell_;
-  }
-
-  MockLocationProvider* gps() {
-    return arbitrator_->gps_;
-  }
-
-  const scoped_refptr<FakeAccessTokenStore> access_token_store_;
-  const std::unique_ptr<MockLocationObserver> observer_;
-  std::unique_ptr<TestingLocationArbitrator> arbitrator_;
-  std::unique_ptr<GeolocationDelegate> delegate_;
-  const base::MessageLoop loop_;
-};
-
-TEST_F(GeolocationLocationArbitratorTest, CreateDestroy) {
-  EXPECT_TRUE(access_token_store_.get());
-  InitializeArbitrator(nullptr);
-  EXPECT_TRUE(arbitrator_);
-  arbitrator_.reset();
-  SUCCEED();
-}
-
-TEST_F(GeolocationLocationArbitratorTest, OnPermissionGranted) {
-  InitializeArbitrator(nullptr);
-  EXPECT_FALSE(arbitrator_->HasPermissionBeenGranted());
-  arbitrator_->OnPermissionGranted();
-  EXPECT_TRUE(arbitrator_->HasPermissionBeenGranted());
-  // Can't check the provider has been notified without going through the
-  // motions to create the provider (see next test).
-  EXPECT_FALSE(cell());
-  EXPECT_FALSE(gps());
-}
-
-TEST_F(GeolocationLocationArbitratorTest, NormalUsage) {
-  InitializeArbitrator(nullptr);
-  ASSERT_TRUE(access_token_store_.get());
-  ASSERT_TRUE(arbitrator_);
-
-  EXPECT_FALSE(cell());
-  EXPECT_FALSE(gps());
-  arbitrator_->StartProviders(false);
-
-  EXPECT_TRUE(access_token_store_->access_token_map_.empty());
-
-  access_token_store_->NotifyDelegateTokensLoaded();
-  ASSERT_TRUE(cell());
-  EXPECT_TRUE(gps());
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, cell()->state_);
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, gps()->state_);
-  EXPECT_FALSE(observer_->last_position_.Validate());
-  EXPECT_EQ(Geoposition::ERROR_CODE_NONE,
-            observer_->last_position_.error_code);
-
-  SetReferencePosition(cell());
-
-  EXPECT_TRUE(observer_->last_position_.Validate() ||
-              observer_->last_position_.error_code !=
-                  Geoposition::ERROR_CODE_NONE);
-  EXPECT_EQ(cell()->position_.latitude,
-            observer_->last_position_.latitude);
-
-  EXPECT_FALSE(cell()->is_permission_granted_);
-  EXPECT_FALSE(arbitrator_->HasPermissionBeenGranted());
-  arbitrator_->OnPermissionGranted();
-  EXPECT_TRUE(arbitrator_->HasPermissionBeenGranted());
-  EXPECT_TRUE(cell()->is_permission_granted_);
-}
-
-TEST_F(GeolocationLocationArbitratorTest, CustomSystemProviderOnly) {
-  FakeGeolocationDelegate* fake_delegate = new FakeGeolocationDelegate;
-  fake_delegate->set_use_network(false);
-
-  std::unique_ptr<GeolocationDelegate> delegate(fake_delegate);
-  InitializeArbitrator(std::move(delegate));
-  ASSERT_TRUE(arbitrator_);
-
-  EXPECT_FALSE(cell());
-  EXPECT_FALSE(gps());
-  arbitrator_->StartProviders(false);
-
-  ASSERT_FALSE(cell());
-  EXPECT_FALSE(gps());
-  ASSERT_TRUE(fake_delegate->mock_location_provider());
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY,
-            fake_delegate->mock_location_provider()->state_);
-  EXPECT_FALSE(observer_->last_position_.Validate());
-  EXPECT_EQ(Geoposition::ERROR_CODE_NONE, observer_->last_position_.error_code);
-
-  SetReferencePosition(fake_delegate->mock_location_provider());
-
-  EXPECT_TRUE(observer_->last_position_.Validate() ||
-              observer_->last_position_.error_code !=
-                  Geoposition::ERROR_CODE_NONE);
-  EXPECT_EQ(fake_delegate->mock_location_provider()->position_.latitude,
-            observer_->last_position_.latitude);
-
-  EXPECT_FALSE(fake_delegate->mock_location_provider()->is_permission_granted_);
-  EXPECT_FALSE(arbitrator_->HasPermissionBeenGranted());
-  arbitrator_->OnPermissionGranted();
-  EXPECT_TRUE(arbitrator_->HasPermissionBeenGranted());
-  EXPECT_TRUE(fake_delegate->mock_location_provider()->is_permission_granted_);
-}
-
-TEST_F(GeolocationLocationArbitratorTest,
-       CustomSystemAndDefaultNetworkProviders) {
-  FakeGeolocationDelegate* fake_delegate = new FakeGeolocationDelegate;
-  fake_delegate->set_use_network(true);
-
-  std::unique_ptr<GeolocationDelegate> delegate(fake_delegate);
-  InitializeArbitrator(std::move(delegate));
-  ASSERT_TRUE(arbitrator_);
-
-  EXPECT_FALSE(cell());
-  EXPECT_FALSE(gps());
-  arbitrator_->StartProviders(false);
-
-  EXPECT_TRUE(access_token_store_->access_token_map_.empty());
-
-  access_token_store_->NotifyDelegateTokensLoaded();
-
-  ASSERT_TRUE(cell());
-  EXPECT_FALSE(gps());
-  ASSERT_TRUE(fake_delegate->mock_location_provider());
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY,
-            fake_delegate->mock_location_provider()->state_);
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, cell()->state_);
-  EXPECT_FALSE(observer_->last_position_.Validate());
-  EXPECT_EQ(Geoposition::ERROR_CODE_NONE, observer_->last_position_.error_code);
-
-  SetReferencePosition(cell());
-
-  EXPECT_TRUE(observer_->last_position_.Validate() ||
-              observer_->last_position_.error_code !=
-                  Geoposition::ERROR_CODE_NONE);
-  EXPECT_EQ(cell()->position_.latitude, observer_->last_position_.latitude);
-
-  EXPECT_FALSE(cell()->is_permission_granted_);
-  EXPECT_FALSE(arbitrator_->HasPermissionBeenGranted());
-  arbitrator_->OnPermissionGranted();
-  EXPECT_TRUE(arbitrator_->HasPermissionBeenGranted());
-  EXPECT_TRUE(cell()->is_permission_granted_);
-}
-
-TEST_F(GeolocationLocationArbitratorTest, SetObserverOptions) {
-  InitializeArbitrator(nullptr);
-  arbitrator_->StartProviders(false);
-  access_token_store_->NotifyDelegateTokensLoaded();
-  ASSERT_TRUE(cell());
-  ASSERT_TRUE(gps());
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, cell()->state_);
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, gps()->state_);
-  SetReferencePosition(cell());
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, cell()->state_);
-  EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, gps()->state_);
-  arbitrator_->StartProviders(true);
-  EXPECT_EQ(MockLocationProvider::HIGH_ACCURACY, cell()->state_);
-  EXPECT_EQ(MockLocationProvider::HIGH_ACCURACY, gps()->state_);
-}
-
-TEST_F(GeolocationLocationArbitratorTest, Arbitration) {
-  InitializeArbitrator(nullptr);
-  arbitrator_->StartProviders(false);
-  access_token_store_->NotifyDelegateTokensLoaded();
-  ASSERT_TRUE(cell());
-  ASSERT_TRUE(gps());
-
-  SetPositionFix(cell(), 1, 2, 150);
-
-  // First position available
-  EXPECT_TRUE(observer_->last_position_.Validate());
-  CheckLastPositionInfo(1, 2, 150);
-
-  SetPositionFix(gps(), 3, 4, 50);
-
-  // More accurate fix available
-  CheckLastPositionInfo(3, 4, 50);
-
-  SetPositionFix(cell(), 5, 6, 150);
-
-  // New fix is available but it's less accurate, older fix should be kept.
-  CheckLastPositionInfo(3, 4, 50);
-
-  // Advance time, and notify once again
-  AdvanceTimeNow(SwitchOnFreshnessCliff());
-  cell()->HandlePositionChanged(cell()->position_);
-
-  // New fix is available, less accurate but fresher
-  CheckLastPositionInfo(5, 6, 150);
-
-  // Advance time, and set a low accuracy position
-  AdvanceTimeNow(SwitchOnFreshnessCliff());
-  SetPositionFix(cell(), 5.676731, 139.629385, 1000);
-  CheckLastPositionInfo(5.676731, 139.629385, 1000);
-
-  // 15 secs later, step outside. Switches to gps signal.
-  AdvanceTimeNow(base::TimeDelta::FromSeconds(15));
-  SetPositionFix(gps(), 3.5676457, 139.629198, 50);
-  CheckLastPositionInfo(3.5676457, 139.629198, 50);
-
-  // 5 mins later switch cells while walking. Stay on gps.
-  AdvanceTimeNow(base::TimeDelta::FromMinutes(5));
-  SetPositionFix(cell(), 3.567832, 139.634648, 300);
-  SetPositionFix(gps(), 3.5677675, 139.632314, 50);
-  CheckLastPositionInfo(3.5677675, 139.632314, 50);
-
-  // Ride train and gps signal degrades slightly. Stay on fresher gps
-  AdvanceTimeNow(base::TimeDelta::FromMinutes(5));
-  SetPositionFix(gps(), 3.5679026, 139.634777, 300);
-  CheckLastPositionInfo(3.5679026, 139.634777, 300);
-
-  // 14 minutes later
-  AdvanceTimeNow(base::TimeDelta::FromMinutes(14));
-
-  // GPS reading misses a beat, but don't switch to cell yet to avoid
-  // oscillating.
-  SetPositionFix(gps(), 3.5659005, 139.682579, 300);
-
-  AdvanceTimeNow(base::TimeDelta::FromSeconds(7));
-  SetPositionFix(cell(), 3.5689579, 139.691420, 1000);
-  CheckLastPositionInfo(3.5659005, 139.682579, 300);
-
-  // 1 minute later
-  AdvanceTimeNow(base::TimeDelta::FromMinutes(1));
-
-  // Enter tunnel. Stay on fresher gps for a moment.
-  SetPositionFix(cell(), 3.5657078, 139.68922, 300);
-  SetPositionFix(gps(), 3.5657104, 139.690341, 300);
-  CheckLastPositionInfo(3.5657104, 139.690341, 300);
-
-  // 2 minutes later
-  AdvanceTimeNow(base::TimeDelta::FromMinutes(2));
-  // Arrive in station. Cell moves but GPS is stale. Switch to fresher cell.
-  SetPositionFix(cell(), 3.5658700, 139.069979, 1000);
-  CheckLastPositionInfo(3.5658700, 139.069979, 1000);
-}
-
-TEST_F(GeolocationLocationArbitratorTest, TwoOneShotsIsNewPositionBetter) {
-  InitializeArbitrator(nullptr);
-  arbitrator_->StartProviders(false);
-  access_token_store_->NotifyDelegateTokensLoaded();
-  ASSERT_TRUE(cell());
-  ASSERT_TRUE(gps());
-
-  // Set the initial position.
-  SetPositionFix(cell(), 3, 139, 100);
-  CheckLastPositionInfo(3, 139, 100);
-
-  // Restart providers to simulate a one-shot request.
-  arbitrator_->StopProviders();
-
-  // To test 240956, perform a throwaway alloc.
-  // This convinces the allocator to put the providers in a new memory location.
-  std::unique_ptr<MockLocationProvider> dummy_provider(
-      new MockLocationProvider);
-
-  arbitrator_->StartProviders(false);
-  access_token_store_->NotifyDelegateTokensLoaded();
-
-  // Advance the time a short while to simulate successive calls.
-  AdvanceTimeNow(base::TimeDelta::FromMilliseconds(5));
-
-  // Update with a less accurate position to verify 240956.
-  SetPositionFix(cell(), 3, 139, 150);
-  CheckLastPositionInfo(3, 139, 150);
-}
-
-}  // namespace device