src/connectivity/bluetooth/core/bt-host/gap/low_energy_advertising_manager_unittest.cc - fuchsia - Git at Google

 // Copyright 2017 The Fuchsia 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 "src/connectivity/bluetooth/core/bt-host/gap/low_energy_advertising_manager.h"

 #include <fbl/macros.h>
 #include <zircon/assert.h>
 #include <zircon/syscalls.h>

 #include <map>

 #include "lib/gtest/test_loop_fixture.h"
 #include "src/connectivity/bluetooth/core/bt-host/common/byte_buffer.h"
 #include "src/connectivity/bluetooth/core/bt-host/hci/connection.h"
 #include "src/connectivity/bluetooth/core/bt-host/hci/fake_connection.h"
 #include "src/connectivity/bluetooth/core/bt-host/hci/fake_local_address_delegate.h"

 namespace bt {
 namespace gap {
 namespace {

 constexpr size_t kDefaultMaxAds = 1;
 constexpr size_t kDefaultMaxAdSize = 23;
 constexpr size_t kDefaultFakeAdSize = 20;
 constexpr zx::duration kTestInterval = zx::sec(1);

 const DeviceAddress kRandomAddress(DeviceAddress::Type::kLERandom,
                                    "00:11:22:33:44:55");

 struct AdvertisementStatus {
   AdvertisingData data;
   AdvertisingData scan_rsp;
   bool anonymous;
   zx::duration interval;
   hci::LowEnergyAdvertiser::ConnectionCallback connect_cb;
 };

 // LowEnergyAdvertiser for testing purposes:
 //  - Reports max_ads supported
 //  - Reports mas_ad_size supported
 //  - Actually just accepts all ads and stores them in ad_store
 class FakeLowEnergyAdvertiser final : public hci::LowEnergyAdvertiser {
  public:
   FakeLowEnergyAdvertiser(
       size_t max_ads, size_t max_ad_size,
       std::map<DeviceAddress, AdvertisementStatus>* ad_store)
       : max_ads_(max_ads), max_ad_size_(max_ad_size), ads_(ad_store) {
     ZX_ASSERT(ads_);
   }

   ~FakeLowEnergyAdvertiser() override = default;

   size_t GetSizeLimit() override { return max_ad_size_; }

   size_t GetMaxAdvertisements() const override { return max_ads_; }

   bool AllowsRandomAddressChange() const override { return true; }

   void StartAdvertising(const DeviceAddress& address, const ByteBuffer& data,
                         const ByteBuffer& scan_rsp,
                         ConnectionCallback connect_callback,
                         zx::duration interval, bool anonymous,
                         AdvertisingStatusCallback callback) override {
     if (!pending_error_) {
       callback(zx::duration(), pending_error_);
       pending_error_ = hci::Status();
       return;
     }
     if (data.size() > max_ad_size_) {
       callback(zx::duration(), hci::Status(HostError::kInvalidParameters));
       return;
     }
     if (scan_rsp.size() > max_ad_size_) {
       callback(zx::duration(), hci::Status(HostError::kInvalidParameters));
       return;
     }
     AdvertisementStatus new_status;
     AdvertisingData::FromBytes(data, &new_status.data);
     AdvertisingData::FromBytes(scan_rsp, &new_status.scan_rsp);
     new_status.connect_cb = std::move(connect_callback);
     new_status.interval = interval;
     new_status.anonymous = anonymous;
     ads_->emplace(address, std::move(new_status));
     callback(interval, hci::Status());
   }

   bool StopAdvertising(const DeviceAddress& address) override {
     ads_->erase(address);
     return true;
   }

   void OnIncomingConnection(
       hci::ConnectionHandle handle, hci::Connection::Role role,
       const DeviceAddress& peer_address,
       const hci::LEConnectionParameters& conn_params) override {
     // Right now, we call the first callback, because we can't call any other
     // ones.
     // TODO(jamuraa): make this send it to the correct callback once we can
     // determine which one that is.
     const auto& cb = ads_->begin()->second.connect_cb;
     if (cb) {
       cb(std::make_unique<hci::testing::FakeConnection>(
           handle, hci::Connection::LinkType::kLE, role, ads_->begin()->first,
           peer_address));
     }
   }

   // Sets this faker up to send an error back from the next StartAdvertising
   // call. Set to success to disable a previously called error.
   void ErrorOnNext(hci::Status error_status) { pending_error_ = error_status; }

  private:
   size_t max_ads_, max_ad_size_;
   std::map<DeviceAddress, AdvertisementStatus>* ads_;
   hci::Status pending_error_;

   DISALLOW_COPY_AND_ASSIGN_ALLOW_MOVE(FakeLowEnergyAdvertiser);
 };

 using TestingBase = ::gtest::TestLoopFixture;

 class GAP_LowEnergyAdvertisingManagerTest : public TestingBase {
  public:
   GAP_LowEnergyAdvertisingManagerTest() = default;
   ~GAP_LowEnergyAdvertisingManagerTest() override = default;

  protected:
   void SetUp() override {
     fake_address_delegate_.set_local_address(kRandomAddress);
     MakeFakeAdvertiser();
     MakeAdvertisingManager();
   }

   void TearDown() override {
     adv_mgr_ = nullptr;
     advertiser_ = nullptr;
   }

   // Makes some fake advertising data of a specific |packed_size|
   AdvertisingData CreateFakeAdvertisingData(
       size_t packed_size = kDefaultFakeAdSize) {
     AdvertisingData result;
     auto buffer = CreateStaticByteBuffer(0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
                                          0x06, 0x07, 0x08);
     size_t bytes_left = packed_size;
     while (bytes_left > 0) {
       // Each field to take 10 bytes total, unless the next header (4 bytes)
       // won't fit. In which case we add enough bytes to finish up.
       size_t data_bytes = bytes_left < 14 ? (bytes_left - 4) : 6;
       result.SetManufacturerData(0xb000 + bytes_left,
                                  buffer.view(0, data_bytes));
       bytes_left = packed_size - result.CalculateBlockSize();
     }
     return result;
   }

   LowEnergyAdvertisingManager::AdvertisingStatusCallback GetErrorCallback() {
     return [this](AdvertisementId ad_id, hci::Status status) {
       EXPECT_EQ(kInvalidAdvertisementId, ad_id);
       EXPECT_FALSE(status);
       last_status_ = status;
     };
   }

   LowEnergyAdvertisingManager::AdvertisingStatusCallback GetSuccessCallback() {
     return [this](AdvertisementId ad_id, hci::Status status) {
       last_ad_id_ = ad_id;
       EXPECT_NE(kInvalidAdvertisementId, ad_id);
       EXPECT_TRUE(status);
       last_status_ = status;
     };
   }

   void MakeFakeAdvertiser(size_t max_ads = kDefaultMaxAds,
                           size_t max_ad_size = kDefaultMaxAdSize) {
     advertiser_ = std::make_unique<FakeLowEnergyAdvertiser>(
         max_ads, max_ad_size, &ad_store_);
   }

   void MakeAdvertisingManager() {
     adv_mgr_ = std::make_unique<LowEnergyAdvertisingManager>(
         advertiser(), &fake_address_delegate_);
   }

   LowEnergyAdvertisingManager* adv_mgr() const { return adv_mgr_.get(); }
   const std::map<DeviceAddress, AdvertisementStatus>& ad_store() {
     return ad_store_;
   }
   AdvertisementId last_ad_id() const { return last_ad_id_; }

   // Returns and clears the last callback status. This resets the state to
   // detect another callback.
   const std::optional<hci::Status> MoveLastStatus() {
     return std::move(last_status_);
   }

   FakeLowEnergyAdvertiser* advertiser() const { return advertiser_.get(); }

  private:
   hci::FakeLocalAddressDelegate fake_address_delegate_;

   std::map<DeviceAddress, AdvertisementStatus> ad_store_;
   AdvertisementId last_ad_id_;
   std::optional<hci::Status> last_status_;
   std::unique_ptr<FakeLowEnergyAdvertiser> advertiser_;
   std::unique_ptr<LowEnergyAdvertisingManager> adv_mgr_;

   DISALLOW_COPY_AND_ASSIGN_ALLOW_MOVE(GAP_LowEnergyAdvertisingManagerTest);
 };

 // Tests:
 //  - When the advertiser succeeds, the callback is called with the success
 TEST_F(GAP_LowEnergyAdvertisingManagerTest, Success) {
   AdvertisingData fake_ad = CreateFakeAdvertisingData();
   AdvertisingData scan_rsp;  // Empty scan response

   adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, kTestInterval,
                               false /* anonymous */, GetSuccessCallback());

   RunLoopUntilIdle();

   EXPECT_TRUE(MoveLastStatus());
   ASSERT_EQ(1u, ad_store().size());

   // Verify that the advertiser uses the requested local address.
   EXPECT_EQ(kRandomAddress, ad_store().begin()->first);
 }

 TEST_F(GAP_LowEnergyAdvertisingManagerTest, DataSize) {
   AdvertisingData fake_ad = CreateFakeAdvertisingData();
   AdvertisingData scan_rsp;  // Empty scan response

   adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, kTestInterval,
                               false /* anonymous */, GetSuccessCallback());

   RunLoopUntilIdle();

   fake_ad = CreateFakeAdvertisingData(kDefaultMaxAdSize + 1);

   EXPECT_TRUE(MoveLastStatus());
   EXPECT_EQ(1u, ad_store().size());

   adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, kTestInterval,
                               false /* anonymous */, GetErrorCallback());

   RunLoopUntilIdle();

   EXPECT_TRUE(MoveLastStatus());
   EXPECT_EQ(1u, ad_store().size());
 }

 // TODO(BT-742): Revise this test to use multiple advertising instances when
 // multi-advertising is supported.
 //  - Stopping one that is registered stops it in the advertiser
 //    (and stops the right address)
 //  - Stopping an advertisement that isn't registered retuns false
 TEST_F(GAP_LowEnergyAdvertisingManagerTest, RegisterUnregister) {
   MakeFakeAdvertiser(2 /* ads available */);
   MakeAdvertisingManager();

   AdvertisingData fake_ad = CreateFakeAdvertisingData();
   AdvertisingData scan_rsp;  // Empty scan response

   EXPECT_FALSE(adv_mgr()->StopAdvertising(kInvalidAdvertisementId));

   adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, kTestInterval,
                               false /* anonymous */, GetSuccessCallback());

   RunLoopUntilIdle();

   EXPECT_TRUE(MoveLastStatus());
   EXPECT_EQ(1u, ad_store().size());

   EXPECT_TRUE(adv_mgr()->StopAdvertising(last_ad_id()));
   EXPECT_TRUE(ad_store().empty());

   EXPECT_FALSE(adv_mgr()->StopAdvertising(last_ad_id()));
   EXPECT_TRUE(ad_store().empty());
 }

 //  - When the advertiser returns an error, we return an error
 TEST_F(GAP_LowEnergyAdvertisingManagerTest, AdvertiserError) {
   advertiser()->ErrorOnNext(hci::Status(hci::kInvalidHCICommandParameters));
   AdvertisingData fake_ad = CreateFakeAdvertisingData();
   AdvertisingData scan_rsp;

   adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, kTestInterval,
                               false /* anonymous */, GetErrorCallback());

   RunLoopUntilIdle();

   EXPECT_TRUE(MoveLastStatus());
 }

 //  - It calls the connectable callback correctly when connected to
 TEST_F(GAP_LowEnergyAdvertisingManagerTest, ConnectCallback) {
   AdvertisingData fake_ad = CreateFakeAdvertisingData();
   AdvertisingData scan_rsp;

   hci::ConnectionPtr link;
   AdvertisementId advertised_id = kInvalidAdvertisementId;

   auto connect_cb = [&](AdvertisementId connected_id,
                         hci::ConnectionPtr cb_link) {
     link = std::move(cb_link);
     EXPECT_EQ(advertised_id, connected_id);
   };
   adv_mgr()->StartAdvertising(fake_ad, scan_rsp, connect_cb, kTestInterval,
                               false /* anonymous */, GetSuccessCallback());

   RunLoopUntilIdle();

   EXPECT_TRUE(MoveLastStatus());
   advertised_id = last_ad_id();

   DeviceAddress peer_address(DeviceAddress::Type::kLEPublic,
                              "03:02:01:01:02:03");
   advertiser()->OnIncomingConnection(1, hci::Connection::Role::kSlave,
                                      peer_address,
                                      hci::LEConnectionParameters());
   RunLoopUntilIdle();
   ASSERT_TRUE(link);

   // Make sure that the link has the correct local and peer addresses assigned.
   EXPECT_EQ(kRandomAddress, link->local_address());
   EXPECT_EQ(peer_address, link->peer_address());
 }

 //  - Error: Connectable and Anonymous at the same time
 TEST_F(GAP_LowEnergyAdvertisingManagerTest, ConnectAdvertiseError) {
   AdvertisingData fake_ad = CreateFakeAdvertisingData();
   AdvertisingData scan_rsp;

   auto connect_cb = [this](AdvertisementId connected_id,
                            hci::ConnectionPtr conn) {};

   adv_mgr()->StartAdvertising(fake_ad, scan_rsp, connect_cb, kTestInterval,
                               true /* anonymous */, GetErrorCallback());

   EXPECT_TRUE(MoveLastStatus());
 }

 //  - Passes the values for the data on. (anonymous, data, scan_rsp,
 //  interval_ms)
 TEST_F(GAP_LowEnergyAdvertisingManagerTest, SendsCorrectData) {
   AdvertisingData fake_ad = CreateFakeAdvertisingData();
   AdvertisingData scan_rsp = CreateFakeAdvertisingData(21 /* size of ad */);

   zx_duration_t random = 0;
   zx_cprng_draw(&random, sizeof(random));
   auto interval = zx::duration(random);
   adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, interval,
                               false /* anonymous */, GetSuccessCallback());

   RunLoopUntilIdle();

   EXPECT_TRUE(MoveLastStatus());
   EXPECT_EQ(1u, ad_store().size());

   auto ad_status = &ad_store().begin()->second;

   EXPECT_EQ(fake_ad, ad_status->data);
   EXPECT_EQ(scan_rsp, ad_status->scan_rsp);
   EXPECT_EQ(false, ad_status->anonymous);
   EXPECT_EQ(nullptr, ad_status->connect_cb);
   EXPECT_EQ(interval, ad_status->interval);
 }

 }  // namespace
 }  // namespace gap
 }  // namespace bt
	// Copyright 2017 The Fuchsia 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 "src/connectivity/bluetooth/core/bt-host/gap/low_energy_advertising_manager.h"

	#include <fbl/macros.h>
	#include <zircon/assert.h>
	#include <zircon/syscalls.h>

	#include <map>

	#include "lib/gtest/test_loop_fixture.h"
	#include "src/connectivity/bluetooth/core/bt-host/common/byte_buffer.h"
	#include "src/connectivity/bluetooth/core/bt-host/hci/connection.h"
	#include "src/connectivity/bluetooth/core/bt-host/hci/fake_connection.h"
	#include "src/connectivity/bluetooth/core/bt-host/hci/fake_local_address_delegate.h"

	namespace bt {
	namespace gap {
	namespace {

	constexpr size_t kDefaultMaxAds = 1;
	constexpr size_t kDefaultMaxAdSize = 23;
	constexpr size_t kDefaultFakeAdSize = 20;
	constexpr zx::duration kTestInterval = zx::sec(1);

	const DeviceAddress kRandomAddress(DeviceAddress::Type::kLERandom,
	"00:11:22:33:44:55");

	struct AdvertisementStatus {
	AdvertisingData data;
	AdvertisingData scan_rsp;
	bool anonymous;
	zx::duration interval;
	hci::LowEnergyAdvertiser::ConnectionCallback connect_cb;
	};

	// LowEnergyAdvertiser for testing purposes:
	// - Reports max_ads supported
	// - Reports mas_ad_size supported
	// - Actually just accepts all ads and stores them in ad_store
	class FakeLowEnergyAdvertiser final : public hci::LowEnergyAdvertiser {
	public:
	FakeLowEnergyAdvertiser(
	size_t max_ads, size_t max_ad_size,
	std::map<DeviceAddress, AdvertisementStatus>* ad_store)
	: max_ads_(max_ads), max_ad_size_(max_ad_size), ads_(ad_store) {
	ZX_ASSERT(ads_);
	}

	~FakeLowEnergyAdvertiser() override = default;

	size_t GetSizeLimit() override { return max_ad_size_; }

	size_t GetMaxAdvertisements() const override { return max_ads_; }

	bool AllowsRandomAddressChange() const override { return true; }

	void StartAdvertising(const DeviceAddress& address, const ByteBuffer& data,
	const ByteBuffer& scan_rsp,
	ConnectionCallback connect_callback,
	zx::duration interval, bool anonymous,
	AdvertisingStatusCallback callback) override {
	if (!pending_error_) {
	callback(zx::duration(), pending_error_);
	pending_error_ = hci::Status();
	return;
	}
	if (data.size() > max_ad_size_) {
	callback(zx::duration(), hci::Status(HostError::kInvalidParameters));
	return;
	}
	if (scan_rsp.size() > max_ad_size_) {
	callback(zx::duration(), hci::Status(HostError::kInvalidParameters));
	return;
	}
	AdvertisementStatus new_status;
	AdvertisingData::FromBytes(data, &new_status.data);
	AdvertisingData::FromBytes(scan_rsp, &new_status.scan_rsp);
	new_status.connect_cb = std::move(connect_callback);
	new_status.interval = interval;
	new_status.anonymous = anonymous;
	ads_->emplace(address, std::move(new_status));
	callback(interval, hci::Status());
	}

	bool StopAdvertising(const DeviceAddress& address) override {
	ads_->erase(address);
	return true;
	}

	void OnIncomingConnection(
	hci::ConnectionHandle handle, hci::Connection::Role role,
	const DeviceAddress& peer_address,
	const hci::LEConnectionParameters& conn_params) override {
	// Right now, we call the first callback, because we can't call any other
	// ones.
	// TODO(jamuraa): make this send it to the correct callback once we can
	// determine which one that is.
	const auto& cb = ads_->begin()->second.connect_cb;
	if (cb) {
	cb(std::make_unique<hci::testing::FakeConnection>(
	handle, hci::Connection::LinkType::kLE, role, ads_->begin()->first,
	peer_address));
	}
	}

	// Sets this faker up to send an error back from the next StartAdvertising
	// call. Set to success to disable a previously called error.
	void ErrorOnNext(hci::Status error_status) { pending_error_ = error_status; }

	private:
	size_t max_ads_, max_ad_size_;
	std::map<DeviceAddress, AdvertisementStatus>* ads_;
	hci::Status pending_error_;

	DISALLOW_COPY_AND_ASSIGN_ALLOW_MOVE(FakeLowEnergyAdvertiser);
	};

	using TestingBase = ::gtest::TestLoopFixture;

	class GAP_LowEnergyAdvertisingManagerTest : public TestingBase {
	public:
	GAP_LowEnergyAdvertisingManagerTest() = default;
	~GAP_LowEnergyAdvertisingManagerTest() override = default;

	protected:
	void SetUp() override {
	fake_address_delegate_.set_local_address(kRandomAddress);
	MakeFakeAdvertiser();
	MakeAdvertisingManager();
	}

	void TearDown() override {
	adv_mgr_ = nullptr;
	advertiser_ = nullptr;
	}

	// Makes some fake advertising data of a specific \|packed_size\|
	AdvertisingData CreateFakeAdvertisingData(
	size_t packed_size = kDefaultFakeAdSize) {
	AdvertisingData result;
	auto buffer = CreateStaticByteBuffer(0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
	0x06, 0x07, 0x08);
	size_t bytes_left = packed_size;
	while (bytes_left > 0) {
	// Each field to take 10 bytes total, unless the next header (4 bytes)
	// won't fit. In which case we add enough bytes to finish up.
	size_t data_bytes = bytes_left < 14 ? (bytes_left - 4) : 6;
	result.SetManufacturerData(0xb000 + bytes_left,
	buffer.view(0, data_bytes));
	bytes_left = packed_size - result.CalculateBlockSize();
	}
	return result;
	}

	LowEnergyAdvertisingManager::AdvertisingStatusCallback GetErrorCallback() {
	return [this](AdvertisementId ad_id, hci::Status status) {
	EXPECT_EQ(kInvalidAdvertisementId, ad_id);
	EXPECT_FALSE(status);
	last_status_ = status;
	};
	}

	LowEnergyAdvertisingManager::AdvertisingStatusCallback GetSuccessCallback() {
	return [this](AdvertisementId ad_id, hci::Status status) {
	last_ad_id_ = ad_id;
	EXPECT_NE(kInvalidAdvertisementId, ad_id);
	EXPECT_TRUE(status);
	last_status_ = status;
	};
	}

	void MakeFakeAdvertiser(size_t max_ads = kDefaultMaxAds,
	size_t max_ad_size = kDefaultMaxAdSize) {
	advertiser_ = std::make_unique<FakeLowEnergyAdvertiser>(
	max_ads, max_ad_size, &ad_store_);
	}

	void MakeAdvertisingManager() {
	adv_mgr_ = std::make_unique<LowEnergyAdvertisingManager>(
	advertiser(), &fake_address_delegate_);
	}

	LowEnergyAdvertisingManager* adv_mgr() const { return adv_mgr_.get(); }
	const std::map<DeviceAddress, AdvertisementStatus>& ad_store() {
	return ad_store_;
	}
	AdvertisementId last_ad_id() const { return last_ad_id_; }

	// Returns and clears the last callback status. This resets the state to
	// detect another callback.
	const std::optional<hci::Status> MoveLastStatus() {
	return std::move(last_status_);
	}

	FakeLowEnergyAdvertiser* advertiser() const { return advertiser_.get(); }

	private:
	hci::FakeLocalAddressDelegate fake_address_delegate_;

	std::map<DeviceAddress, AdvertisementStatus> ad_store_;
	AdvertisementId last_ad_id_;
	std::optional<hci::Status> last_status_;
	std::unique_ptr<FakeLowEnergyAdvertiser> advertiser_;
	std::unique_ptr<LowEnergyAdvertisingManager> adv_mgr_;

	DISALLOW_COPY_AND_ASSIGN_ALLOW_MOVE(GAP_LowEnergyAdvertisingManagerTest);
	};

	// Tests:
	// - When the advertiser succeeds, the callback is called with the success
	TEST_F(GAP_LowEnergyAdvertisingManagerTest, Success) {
	AdvertisingData fake_ad = CreateFakeAdvertisingData();
	AdvertisingData scan_rsp; // Empty scan response

	adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, kTestInterval,
	false /* anonymous */, GetSuccessCallback());

	RunLoopUntilIdle();

	EXPECT_TRUE(MoveLastStatus());
	ASSERT_EQ(1u, ad_store().size());

	// Verify that the advertiser uses the requested local address.
	EXPECT_EQ(kRandomAddress, ad_store().begin()->first);
	}

	TEST_F(GAP_LowEnergyAdvertisingManagerTest, DataSize) {
	AdvertisingData fake_ad = CreateFakeAdvertisingData();
	AdvertisingData scan_rsp; // Empty scan response

	adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, kTestInterval,
	false /* anonymous */, GetSuccessCallback());

	RunLoopUntilIdle();

	fake_ad = CreateFakeAdvertisingData(kDefaultMaxAdSize + 1);

	EXPECT_TRUE(MoveLastStatus());
	EXPECT_EQ(1u, ad_store().size());

	adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, kTestInterval,
	false /* anonymous */, GetErrorCallback());

	RunLoopUntilIdle();

	EXPECT_TRUE(MoveLastStatus());
	EXPECT_EQ(1u, ad_store().size());
	}

	// TODO(BT-742): Revise this test to use multiple advertising instances when
	// multi-advertising is supported.
	// - Stopping one that is registered stops it in the advertiser
	// (and stops the right address)
	// - Stopping an advertisement that isn't registered retuns false
	TEST_F(GAP_LowEnergyAdvertisingManagerTest, RegisterUnregister) {
	MakeFakeAdvertiser(2 /* ads available */);
	MakeAdvertisingManager();

	AdvertisingData fake_ad = CreateFakeAdvertisingData();
	AdvertisingData scan_rsp; // Empty scan response

	EXPECT_FALSE(adv_mgr()->StopAdvertising(kInvalidAdvertisementId));

	adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, kTestInterval,
	false /* anonymous */, GetSuccessCallback());

	RunLoopUntilIdle();

	EXPECT_TRUE(MoveLastStatus());
	EXPECT_EQ(1u, ad_store().size());

	EXPECT_TRUE(adv_mgr()->StopAdvertising(last_ad_id()));
	EXPECT_TRUE(ad_store().empty());

	EXPECT_FALSE(adv_mgr()->StopAdvertising(last_ad_id()));
	EXPECT_TRUE(ad_store().empty());
	}

	// - When the advertiser returns an error, we return an error
	TEST_F(GAP_LowEnergyAdvertisingManagerTest, AdvertiserError) {
	advertiser()->ErrorOnNext(hci::Status(hci::kInvalidHCICommandParameters));
	AdvertisingData fake_ad = CreateFakeAdvertisingData();
	AdvertisingData scan_rsp;

	adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, kTestInterval,
	false /* anonymous */, GetErrorCallback());

	RunLoopUntilIdle();

	EXPECT_TRUE(MoveLastStatus());
	}

	// - It calls the connectable callback correctly when connected to
	TEST_F(GAP_LowEnergyAdvertisingManagerTest, ConnectCallback) {
	AdvertisingData fake_ad = CreateFakeAdvertisingData();
	AdvertisingData scan_rsp;

	hci::ConnectionPtr link;
	AdvertisementId advertised_id = kInvalidAdvertisementId;

	auto connect_cb = [&](AdvertisementId connected_id,
	hci::ConnectionPtr cb_link) {
	link = std::move(cb_link);
	EXPECT_EQ(advertised_id, connected_id);
	};
	adv_mgr()->StartAdvertising(fake_ad, scan_rsp, connect_cb, kTestInterval,
	false /* anonymous */, GetSuccessCallback());

	RunLoopUntilIdle();

	EXPECT_TRUE(MoveLastStatus());
	advertised_id = last_ad_id();

	DeviceAddress peer_address(DeviceAddress::Type::kLEPublic,
	"03:02:01:01:02:03");
	advertiser()->OnIncomingConnection(1, hci::Connection::Role::kSlave,
	peer_address,
	hci::LEConnectionParameters());
	RunLoopUntilIdle();
	ASSERT_TRUE(link);

	// Make sure that the link has the correct local and peer addresses assigned.
	EXPECT_EQ(kRandomAddress, link->local_address());
	EXPECT_EQ(peer_address, link->peer_address());
	}

	// - Error: Connectable and Anonymous at the same time
	TEST_F(GAP_LowEnergyAdvertisingManagerTest, ConnectAdvertiseError) {
	AdvertisingData fake_ad = CreateFakeAdvertisingData();
	AdvertisingData scan_rsp;

	auto connect_cb = [this](AdvertisementId connected_id,
	hci::ConnectionPtr conn) {};

	adv_mgr()->StartAdvertising(fake_ad, scan_rsp, connect_cb, kTestInterval,
	true /* anonymous */, GetErrorCallback());

	EXPECT_TRUE(MoveLastStatus());
	}

	// - Passes the values for the data on. (anonymous, data, scan_rsp,
	// interval_ms)
	TEST_F(GAP_LowEnergyAdvertisingManagerTest, SendsCorrectData) {
	AdvertisingData fake_ad = CreateFakeAdvertisingData();
	AdvertisingData scan_rsp = CreateFakeAdvertisingData(21 /* size of ad */);

	zx_duration_t random = 0;
	zx_cprng_draw(&random, sizeof(random));
	auto interval = zx::duration(random);
	adv_mgr()->StartAdvertising(fake_ad, scan_rsp, nullptr, interval,
	false /* anonymous */, GetSuccessCallback());

	RunLoopUntilIdle();

	EXPECT_TRUE(MoveLastStatus());
	EXPECT_EQ(1u, ad_store().size());

	auto ad_status = &ad_store().begin()->second;

	EXPECT_EQ(fake_ad, ad_status->data);
	EXPECT_EQ(scan_rsp, ad_status->scan_rsp);
	EXPECT_EQ(false, ad_status->anonymous);
	EXPECT_EQ(nullptr, ad_status->connect_cb);
	EXPECT_EQ(interval, ad_status->interval);
	}

	} // namespace
	} // namespace gap
	} // namespace bt