#include "stack/gatt/connection_manager.h"
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#include <base/bind.h>
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#include <base/callback.h>
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#include <base/location.h>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <memory>
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#include "osi/include/alarm.h"
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#include "osi/test/alarm_mock.h"
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using testing::_;
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using testing::Mock;
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using testing::Return;
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using testing::SaveArg;
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using connection_manager::tAPP_ID;
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namespace {
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// convinience mock, for verifying whitelist operaitons on lower layer are
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// actually scheduled
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class WhiteListMock {
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public:
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MOCK_METHOD1(WhiteListAdd, bool(const RawAddress&));
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MOCK_METHOD1(WhiteListRemove, void(const RawAddress&));
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MOCK_METHOD0(WhiteListClear, void());
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MOCK_METHOD0(SetLeConnectionModeToFast, bool());
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MOCK_METHOD0(SetLeConnectionModeToSlow, void());
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MOCK_METHOD2(OnConnectionTimedOut, void(uint8_t, const RawAddress&));
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};
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std::unique_ptr<WhiteListMock> localWhiteListMock;
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} // namespace
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RawAddress address1{{0x01, 0x01, 0x01, 0x01, 0x01, 0x01}};
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RawAddress address2{{0x22, 0x22, 0x02, 0x22, 0x33, 0x22}};
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constexpr tAPP_ID CLIENT1 = 1;
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constexpr tAPP_ID CLIENT2 = 2;
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constexpr tAPP_ID CLIENT3 = 3;
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constexpr tAPP_ID CLIENT10 = 10;
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// Implementation of btm_ble_bgconn.h API for test.
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bool BTM_WhiteListAdd(const RawAddress& address) {
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return localWhiteListMock->WhiteListAdd(address);
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}
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void BTM_WhiteListRemove(const RawAddress& address) {
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return localWhiteListMock->WhiteListRemove(address);
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}
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void BTM_WhiteListClear() { return localWhiteListMock->WhiteListClear(); }
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bool BTM_SetLeConnectionModeToFast() {
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return localWhiteListMock->SetLeConnectionModeToFast();
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}
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void BTM_SetLeConnectionModeToSlow() {
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localWhiteListMock->SetLeConnectionModeToSlow();
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}
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namespace connection_manager {
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class BleConnectionManager : public testing::Test {
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virtual void SetUp() {
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localWhiteListMock = std::make_unique<WhiteListMock>();
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}
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virtual void TearDown() {
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connection_manager::reset(true);
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AlarmMock::Reset();
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localWhiteListMock.reset();
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}
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};
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void on_connection_timed_out(uint8_t app_id, const RawAddress& address) {
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localWhiteListMock->OnConnectionTimedOut(app_id, address);
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}
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/** Verify that app can add a device to white list, it is returned as interested
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* app, and then can remove the device later. */
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TEST_F(BleConnectionManager, test_background_connection_add_remove) {
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EXPECT_CALL(*localWhiteListMock, WhiteListAdd(address1))
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.WillOnce(Return(true));
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(_)).Times(0);
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EXPECT_TRUE(background_connect_add(CLIENT1, address1));
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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std::set<tAPP_ID> apps = get_apps_connecting_to(address1);
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EXPECT_EQ(apps.size(), 1UL);
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EXPECT_EQ(apps.count(CLIENT1), 1UL);
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EXPECT_CALL(*localWhiteListMock, WhiteListAdd(_)).Times(0);
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(address1)).Times(1);
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EXPECT_TRUE(background_connect_remove(CLIENT1, address1));
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EXPECT_EQ(get_apps_connecting_to(address1).size(), 0UL);
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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}
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/** Verify that multiple clients adding same device multiple times, result in
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* device being added to whtie list only once, also, that device is removed only
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* after last client removes it. */
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TEST_F(BleConnectionManager, test_background_connection_multiple_clients) {
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EXPECT_CALL(*localWhiteListMock, WhiteListAdd(address1))
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.WillOnce(Return(true));
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(_)).Times(0);
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EXPECT_TRUE(background_connect_add(CLIENT1, address1));
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EXPECT_TRUE(background_connect_add(CLIENT1, address1));
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EXPECT_TRUE(background_connect_add(CLIENT2, address1));
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EXPECT_TRUE(background_connect_add(CLIENT3, address1));
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EXPECT_EQ(get_apps_connecting_to(address1).size(), 3UL);
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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EXPECT_CALL(*localWhiteListMock, WhiteListAdd(_)).Times(0);
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// removing from nonexisting client, should fail
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EXPECT_FALSE(background_connect_remove(CLIENT10, address1));
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EXPECT_TRUE(background_connect_remove(CLIENT1, address1));
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// already removed, removing from same client twice should return false;
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EXPECT_FALSE(background_connect_remove(CLIENT1, address1));
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EXPECT_TRUE(background_connect_remove(CLIENT2, address1));
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(address1)).Times(1);
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EXPECT_TRUE(background_connect_remove(CLIENT3, address1));
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EXPECT_EQ(get_apps_connecting_to(address1).size(), 0UL);
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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}
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/** Verify adding/removing device to direct connection. */
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TEST_F(BleConnectionManager, test_direct_connection_client) {
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// Direct connect attempt: use faster scan parameters, add to white list,
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// start 30 timeout
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EXPECT_CALL(*localWhiteListMock, SetLeConnectionModeToFast()).Times(1);
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EXPECT_CALL(*localWhiteListMock, WhiteListAdd(address1))
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.WillOnce(Return(true));
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(_)).Times(0);
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EXPECT_CALL(*AlarmMock::Get(), AlarmNew(_)).Times(1);
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EXPECT_CALL(*AlarmMock::Get(), AlarmSetOnMloop(_, _, _, _)).Times(1);
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EXPECT_TRUE(direct_connect_add(CLIENT1, address1));
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// App already doing a direct connection, attempt to re-add result in failure
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EXPECT_FALSE(direct_connect_add(CLIENT1, address1));
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// Client that don't do direct connection should fail attempt to stop it
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EXPECT_FALSE(direct_connect_remove(CLIENT2, address1));
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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EXPECT_CALL(*localWhiteListMock, SetLeConnectionModeToSlow()).Times(1);
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(_)).Times(1);
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EXPECT_CALL(*AlarmMock::Get(), AlarmFree(_)).Times(1);
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// Removal should lower the connection parameters, and free the alarm.
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// Even though we call WhiteListRemove, it won't be executed over HCI until
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// whitelist is in use, i.e. next connection attempt
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EXPECT_TRUE(direct_connect_remove(CLIENT1, address1));
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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}
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/** Verify direct connection timeout does remove device from white list, and
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* lower the connection scan parameters */
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TEST_F(BleConnectionManager, test_direct_connect_timeout) {
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EXPECT_CALL(*localWhiteListMock, SetLeConnectionModeToFast()).Times(1);
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EXPECT_CALL(*localWhiteListMock, WhiteListAdd(address1))
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.WillOnce(Return(true));
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EXPECT_CALL(*AlarmMock::Get(), AlarmNew(_)).Times(1);
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alarm_callback_t alarm_callback = nullptr;
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void* alarm_data = nullptr;
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EXPECT_CALL(*AlarmMock::Get(), AlarmSetOnMloop(_, _, _, _))
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.Times(1)
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.WillOnce(DoAll(SaveArg<2>(&alarm_callback), SaveArg<3>(&alarm_data)));
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// Start direct connect attempt...
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EXPECT_TRUE(direct_connect_add(CLIENT1, address1));
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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EXPECT_CALL(*localWhiteListMock, SetLeConnectionModeToSlow()).Times(1);
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(_)).Times(1);
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EXPECT_CALL(*localWhiteListMock, OnConnectionTimedOut(CLIENT1, address1)).Times(1);
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EXPECT_CALL(*AlarmMock::Get(), AlarmFree(_)).Times(1);
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// simulate timeout seconds passed, alarm executing
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alarm_callback(alarm_data);
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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}
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/** Verify that we properly handle successfull direct connection */
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TEST_F(BleConnectionManager, test_direct_connection_success) {
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EXPECT_CALL(*localWhiteListMock, SetLeConnectionModeToFast()).Times(1);
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EXPECT_CALL(*localWhiteListMock, WhiteListAdd(address1))
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.WillOnce(Return(true));
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EXPECT_CALL(*AlarmMock::Get(), AlarmNew(_)).Times(1);
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EXPECT_CALL(*AlarmMock::Get(), AlarmSetOnMloop(_, _, _, _)).Times(1);
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// Start direct connect attempt...
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EXPECT_TRUE(direct_connect_add(CLIENT1, address1));
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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EXPECT_CALL(*localWhiteListMock, SetLeConnectionModeToSlow()).Times(1);
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(address1)).Times(1);
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EXPECT_CALL(*AlarmMock::Get(), AlarmFree(_)).Times(1);
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// simulate event from lower layers - connections was established
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// successfully.
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on_connection_complete(address1);
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}
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/** Verify that we properly handle application unregistration */
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TEST_F(BleConnectionManager, test_app_unregister) {
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/* Test scenario:
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* - Client 1 connecting to address1 and address2.
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* - Client 2 connecting to address2
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* - unregistration of Client1 should trigger address1 removal from white list
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* - unregistration of Client2 should trigger address2 removal
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*/
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EXPECT_CALL(*localWhiteListMock, WhiteListAdd(address1))
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.WillOnce(Return(true));
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EXPECT_CALL(*localWhiteListMock, WhiteListAdd(address2))
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.WillOnce(Return(true));
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EXPECT_TRUE(direct_connect_add(CLIENT1, address1));
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EXPECT_TRUE(background_connect_add(CLIENT1, address2));
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EXPECT_TRUE(direct_connect_add(CLIENT2, address2));
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(address1)).Times(1);
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on_app_deregistered(CLIENT1);
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(address2)).Times(1);
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on_app_deregistered(CLIENT2);
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}
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/** Verify adding device to both direct connection and background connection. */
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TEST_F(BleConnectionManager, test_direct_and_background_connect) {
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EXPECT_CALL(*localWhiteListMock, SetLeConnectionModeToFast()).Times(1);
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EXPECT_CALL(*localWhiteListMock, WhiteListAdd(address1))
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.WillOnce(Return(true));
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(_)).Times(0);
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EXPECT_CALL(*AlarmMock::Get(), AlarmNew(_)).Times(1);
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EXPECT_CALL(*AlarmMock::Get(), AlarmSetOnMloop(_, _, _, _)).Times(1);
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// add device as both direct and background connection
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EXPECT_TRUE(direct_connect_add(CLIENT1, address1));
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EXPECT_TRUE(background_connect_add(CLIENT1, address1));
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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EXPECT_CALL(*localWhiteListMock, SetLeConnectionModeToSlow()).Times(1);
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EXPECT_CALL(*AlarmMock::Get(), AlarmFree(_)).Times(1);
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// not removing from white list yet, as the background connection is still
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// pending.
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EXPECT_TRUE(direct_connect_remove(CLIENT1, address1));
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// remove from white list, because no more interest in device.
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EXPECT_CALL(*localWhiteListMock, WhiteListRemove(_)).Times(1);
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EXPECT_TRUE(background_connect_remove(CLIENT1, address1));
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Mock::VerifyAndClearExpectations(localWhiteListMock.get());
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}
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} // namespace connection_manager
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