/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.bluetooth.hfp;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.*;

import android.bluetooth.BluetoothAdapter;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.Uri;
import android.os.Binder;
import android.os.IBinder;
import android.telecom.Call;
import android.telecom.Connection;
import android.telecom.GatewayInfo;
import android.telecom.PhoneAccount;
import android.telecom.PhoneAccountHandle;
import android.telecom.TelecomManager;
import android.telephony.PhoneNumberUtils;
import android.telephony.TelephonyManager;
import android.util.Log;

import androidx.test.core.app.ApplicationProvider;
import androidx.test.rule.ServiceTestRule;
import androidx.test.filters.MediumTest;
import androidx.test.runner.AndroidJUnit4;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.TimeUnit;

/**
 * Tests for {@link BluetoothInCallService}
 */
@MediumTest
@RunWith(AndroidJUnit4.class)
public class BluetoothInCallServiceTest {

    private static final int TEST_DTMF_TONE = 0;
    private static final String TEST_ACCOUNT_ADDRESS = "//foo.com/";
    private static final int TEST_ACCOUNT_INDEX = 0;

    private static final int CALL_STATE_ACTIVE = 0;
    private static final int CALL_STATE_HELD = 1;
    private static final int CALL_STATE_DIALING = 2;
    private static final int CALL_STATE_ALERTING = 3;
    private static final int CALL_STATE_INCOMING = 4;
    private static final int CALL_STATE_WAITING = 5;
    private static final int CALL_STATE_IDLE = 6;
    private static final int CALL_STATE_DISCONNECTED = 7;
    // Terminate all held or set UDUB("busy") to a waiting call
    private static final int CHLD_TYPE_RELEASEHELD = 0;
    // Terminate all active calls and accepts a waiting/held call
    private static final int CHLD_TYPE_RELEASEACTIVE_ACCEPTHELD = 1;
    // Hold all active calls and accepts a waiting/held call
    private static final int CHLD_TYPE_HOLDACTIVE_ACCEPTHELD = 2;
    // Add all held calls to a conference
    private static final int CHLD_TYPE_ADDHELDTOCONF = 3;

    private TestableBluetoothInCallService mBluetoothInCallService;
    @Rule public final ServiceTestRule mServiceRule
            = ServiceTestRule.withTimeout(1, TimeUnit.SECONDS);

    @Mock private BluetoothHeadsetProxy mMockBluetoothHeadset;
    @Mock private BluetoothInCallService.CallInfo mMockCallInfo;
    @Mock private TelephonyManager mMockTelephonyManager;

    public class TestableBluetoothInCallService extends BluetoothInCallService {
        @Override
        public IBinder onBind(Intent intent) {
            IBinder binder = super.onBind(intent);
            IntentFilter intentFilter = new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED);
            registerReceiver(mBluetoothAdapterReceiver, intentFilter);
            mTelephonyManager = getSystemService(TelephonyManager.class);
            mTelecomManager = getSystemService(TelecomManager.class);
            return binder;
        }
        @Override
        protected void enforceModifyPermission() {}
    }

    @Before
    public void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);

        // Create the service Intent.
        Intent serviceIntent =
                new Intent(ApplicationProvider.getApplicationContext(),
                        TestableBluetoothInCallService.class);
        // Bind the service
        mServiceRule.bindService(serviceIntent);

        // Ensure initialization does not actually try to access any of the CallsManager fields.
        // This also works to return null if it is not overwritten later in the test.
        doReturn(null).when(mMockCallInfo).getActiveCall();
        doReturn(null).when(mMockCallInfo)
                .getRingingOrSimulatedRingingCall();
        doReturn(null).when(mMockCallInfo).getHeldCall();
        doReturn(null).when(mMockCallInfo).getOutgoingCall();
        doReturn(0).when(mMockCallInfo).getNumHeldCalls();
        doReturn(false).when(mMockCallInfo).hasOnlyDisconnectedCalls();
        doReturn(true).when(mMockCallInfo).isNullCall(null);
        doReturn(false).when(mMockCallInfo).isNullCall(notNull());

        mBluetoothInCallService = new TestableBluetoothInCallService();
        mBluetoothInCallService.setBluetoothHeadset(mMockBluetoothHeadset);
        mBluetoothInCallService.mCallInfo = mMockCallInfo;
    }

    @After
    public void tearDown() throws Exception {
        mServiceRule.unbindService();
        mBluetoothInCallService = null;
    }

    @Test
    public void testHeadsetAnswerCall() throws Exception {
        BluetoothCall mockCall = createRingingCall();

        boolean callAnswered = mBluetoothInCallService.answerCall();
        verify(mockCall).answer(any(int.class));

        Assert.assertTrue(callAnswered);
    }

    @Test
    public void testHeadsetAnswerCallNull() throws Exception {
        when(mMockCallInfo.getRingingOrSimulatedRingingCall()).thenReturn(null);

        boolean callAnswered = mBluetoothInCallService.answerCall();
        Assert.assertFalse(callAnswered);
    }

    @Test
    public void testHeadsetHangupCall() throws Exception {
        BluetoothCall mockCall = createForegroundCall();

        boolean callHungup = mBluetoothInCallService.hangupCall();

        verify(mockCall).disconnect();
        Assert.assertTrue(callHungup);
    }

    @Test
    public void testHeadsetHangupCallNull() throws Exception {
        when(mMockCallInfo.getForegroundCall()).thenReturn(null);

        boolean callHungup = mBluetoothInCallService.hangupCall();
        Assert.assertFalse(callHungup);
    }

    @Test
    public void testHeadsetSendDTMF() throws Exception {
        BluetoothCall mockCall = createForegroundCall();

        boolean sentDtmf = mBluetoothInCallService.sendDtmf(TEST_DTMF_TONE);

        verify(mockCall).playDtmfTone(eq((char) TEST_DTMF_TONE));
        verify(mockCall).stopDtmfTone();
        Assert.assertTrue(sentDtmf);
    }

    @Test
    public void testHeadsetSendDTMFNull() throws Exception {
        when(mMockCallInfo.getForegroundCall()).thenReturn(null);

        boolean sentDtmf = mBluetoothInCallService.sendDtmf(TEST_DTMF_TONE);
        Assert.assertFalse(sentDtmf);
    }

    @Test
    public void testGetNetworkOperator() throws Exception {
        PhoneAccount fakePhoneAccount = makeQuickAccount("id0", TEST_ACCOUNT_INDEX);
        when(mMockCallInfo.getBestPhoneAccount()).thenReturn(fakePhoneAccount);

        String networkOperator = mBluetoothInCallService.getNetworkOperator();
        Assert.assertEquals(networkOperator, "label0");
    }

    @Test
    public void testGetNetworkOperatorNoPhoneAccount() throws Exception {
        when(mMockCallInfo.getForegroundCall()).thenReturn(null);
        when(mMockTelephonyManager.getNetworkOperatorName()).thenReturn("label1");
        mBluetoothInCallService.mTelephonyManager = mMockTelephonyManager;

        String networkOperator = mBluetoothInCallService.getNetworkOperator();
        Assert.assertEquals(networkOperator, "label1");
    }

    @Test
    public void testGetSubscriberNumber() throws Exception {
        PhoneAccount fakePhoneAccount = makeQuickAccount("id0", TEST_ACCOUNT_INDEX);
        when(mMockCallInfo.getBestPhoneAccount()).thenReturn(fakePhoneAccount);

        String subscriberNumber = mBluetoothInCallService.getSubscriberNumber();
        Assert.assertEquals(subscriberNumber, TEST_ACCOUNT_ADDRESS + TEST_ACCOUNT_INDEX);
    }

    @Test
    public void testGetSubscriberNumberFallbackToTelephony() throws Exception {
        String fakeNumber = "8675309";
        when(mMockCallInfo.getBestPhoneAccount()).thenReturn(null);
        when(mMockTelephonyManager.getLine1Number())
                .thenReturn(fakeNumber);
        mBluetoothInCallService.mTelephonyManager = mMockTelephonyManager;

        String subscriberNumber = mBluetoothInCallService.getSubscriberNumber();
        Assert.assertEquals(subscriberNumber, fakeNumber);
    }

    @Test
    public void testListCurrentCallsOneCall() throws Exception {
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        BluetoothCall activeCall = createActiveCall();
        when(activeCall.getState()).thenReturn(Call.STATE_ACTIVE);
        calls.add(activeCall);
        mBluetoothInCallService.onCallAdded(activeCall);
        when(activeCall.isConference()).thenReturn(false);
        when(activeCall.getHandle()).thenReturn(Uri.parse("tel:555-000"));
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();

        verify(mMockBluetoothHeadset).clccResponse(eq(1), eq(0), eq(0), eq(0), eq(false),
                eq("555000"), eq(PhoneNumberUtils.TOA_Unknown));
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
    }

    @Test
    public void testListCurrentCallsSilentRinging() throws Exception {
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        BluetoothCall silentRingingCall = createActiveCall();
        when(silentRingingCall.getState()).thenReturn(Call.STATE_RINGING);
        when(silentRingingCall.isSilentRingingRequested()).thenReturn(true);
        calls.add(silentRingingCall);
        mBluetoothInCallService.onCallAdded(silentRingingCall);

        when(silentRingingCall.isConference()).thenReturn(false);
        when(silentRingingCall.getHandle()).thenReturn(Uri.parse("tel:555-000"));
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);
        when(mMockCallInfo.getRingingOrSimulatedRingingCall()).thenReturn(silentRingingCall);

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();

        verify(mMockBluetoothHeadset, never()).clccResponse(eq(1), eq(0), eq(0), eq(0), eq(false),
                eq("555000"), eq(PhoneNumberUtils.TOA_Unknown));
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
    }

    @Test
    public void testConferenceInProgressCDMA() throws Exception {
        // If two calls are being conferenced and updateHeadsetWithCallState runs while this is
        // still occurring, it will look like there is an active and held BluetoothCall still while
        // we are transitioning into a conference.
        // BluetoothCall has been put into a CDMA "conference" with one BluetoothCall on hold.
        ArrayList<BluetoothCall>   calls = new ArrayList<>();
        BluetoothCall parentCall = createActiveCall();
        final BluetoothCall confCall1 = getMockCall();
        final BluetoothCall confCall2 = createHeldCall();
        calls.add(parentCall);
        calls.add(confCall1);
        calls.add(confCall2);
        mBluetoothInCallService.onCallAdded(parentCall);
        mBluetoothInCallService.onCallAdded(confCall1);
        mBluetoothInCallService.onCallAdded(confCall2);

        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);
        when(confCall1.getState()).thenReturn(Call.STATE_ACTIVE);
        when(confCall2.getState()).thenReturn(Call.STATE_ACTIVE);
        when(confCall1.isIncoming()).thenReturn(false);
        when(confCall2.isIncoming()).thenReturn(true);
        when(confCall1.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0000")));
        when(confCall2.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0001")));
        addCallCapability(parentCall, Connection.CAPABILITY_MERGE_CONFERENCE);
        addCallCapability(parentCall, Connection.CAPABILITY_SWAP_CONFERENCE);
        removeCallCapability(parentCall, Connection.CAPABILITY_CONFERENCE_HAS_NO_CHILDREN);
        String confCall1Id = confCall1.getTelecomCallId();
        when(parentCall.getGenericConferenceActiveChildCallId())
                .thenReturn(confCall1Id);
        when(parentCall.isConference()).thenReturn(true);
        List<String> childrenIds = new LinkedList<String>(){{
            add(confCall1.getTelecomCallId());
            add(confCall2.getTelecomCallId());
        }};
        when(parentCall.getChildrenIds()).thenReturn(childrenIds);
        //Add links from child calls to parent
        String parentId = parentCall.getTelecomCallId();
        when(confCall1.getParentId()).thenReturn(parentId);
        when(confCall2.getParentId()).thenReturn(parentId);

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.queryPhoneState();
        verify(mMockBluetoothHeadset).phoneStateChanged(eq(1), eq(1), eq(CALL_STATE_IDLE),
                eq(""), eq(128), nullable(String.class));

        when(parentCall.wasConferencePreviouslyMerged()).thenReturn(true);
        List<BluetoothCall> children =
                mBluetoothInCallService.getBluetoothCallsByIds(parentCall.getChildrenIds());
        mBluetoothInCallService.getCallback(parentCall)
                .onChildrenChanged(parentCall, children);
        verify(mMockBluetoothHeadset).phoneStateChanged(eq(1), eq(0), eq(CALL_STATE_IDLE),
                eq(""), eq(128), nullable(String.class));

        when(mMockCallInfo.getHeldCall()).thenReturn(null);
        // Spurious BluetoothCall to onIsConferencedChanged.
        mBluetoothInCallService.getCallback(parentCall)
                .onChildrenChanged(parentCall, children);
        // Make sure the BluetoothCall has only occurred collectively 2 times (not on the third)
        verify(mMockBluetoothHeadset, times(2)).phoneStateChanged(any(int.class),
                any(int.class), any(int.class), nullable(String.class), any(int.class),
                nullable(String.class));
    }

    @Test
    public void testListCurrentCallsCdmaHold() throws Exception {
        // BluetoothCall has been put into a CDMA "conference" with one BluetoothCall on hold.
        List<BluetoothCall> calls = new ArrayList<BluetoothCall>();
        BluetoothCall parentCall = createActiveCall();
        final BluetoothCall foregroundCall = getMockCall();
        final BluetoothCall heldCall = createHeldCall();
        calls.add(parentCall);
        calls.add(foregroundCall);
        calls.add(heldCall);
        mBluetoothInCallService.onCallAdded(parentCall);
        mBluetoothInCallService.onCallAdded(foregroundCall);
        mBluetoothInCallService.onCallAdded(heldCall);

        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);
        when(foregroundCall.getState()).thenReturn(Call.STATE_ACTIVE);
        when(heldCall.getState()).thenReturn(Call.STATE_ACTIVE);
        when(foregroundCall.isIncoming()).thenReturn(false);
        when(heldCall.isIncoming()).thenReturn(true);
        when(foregroundCall.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0000")));
        when(heldCall.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0001")));
        addCallCapability(parentCall, Connection.CAPABILITY_MERGE_CONFERENCE);
        addCallCapability(parentCall, Connection.CAPABILITY_SWAP_CONFERENCE);
        removeCallCapability(parentCall, Connection.CAPABILITY_CONFERENCE_HAS_NO_CHILDREN);

        String foregroundCallId = foregroundCall.getTelecomCallId();
        when(parentCall.getGenericConferenceActiveChildCallId()).thenReturn(foregroundCallId);
        when(parentCall.isConference()).thenReturn(true);
        List<String> childrenIds = new LinkedList<String>(){{
            add(foregroundCall.getTelecomCallId());
            add(heldCall.getTelecomCallId());
        }};
        when(parentCall.getChildrenIds()).thenReturn(childrenIds);
        //Add links from child calls to parent
        String parentId = parentCall.getTelecomCallId();
        when(foregroundCall.getParentId()).thenReturn(parentId);
        when(heldCall.getParentId()).thenReturn(parentId);

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();

        verify(mMockBluetoothHeadset).clccResponse(eq(1), eq(0), eq(CALL_STATE_ACTIVE), eq(0),
                eq(false), eq("5550000"), eq(PhoneNumberUtils.TOA_Unknown));
        verify(mMockBluetoothHeadset).clccResponse(eq(2), eq(1), eq(CALL_STATE_HELD), eq(0),
                eq(false), eq("5550001"), eq(PhoneNumberUtils.TOA_Unknown));
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
    }

    @Test
    public void testListCurrentCallsCdmaConference() throws Exception {
        // BluetoothCall is in a true CDMA conference
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        BluetoothCall parentCall = createActiveCall();
        final BluetoothCall confCall1 = getMockCall();
        final BluetoothCall confCall2 = createHeldCall();
        calls.add(parentCall);
        calls.add(confCall1);
        calls.add(confCall2);
        mBluetoothInCallService.onCallAdded(parentCall);
        mBluetoothInCallService.onCallAdded(confCall1);
        mBluetoothInCallService.onCallAdded(confCall2);

        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);
        when(confCall1.getState()).thenReturn(Call.STATE_ACTIVE);
        when(confCall2.getState()).thenReturn(Call.STATE_ACTIVE);
        when(confCall1.isIncoming()).thenReturn(false);
        when(confCall2.isIncoming()).thenReturn(true);
        when(confCall1.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0000")));
        when(confCall2.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0001")));
        removeCallCapability(parentCall, Connection.CAPABILITY_MERGE_CONFERENCE);
        removeCallCapability(parentCall, Connection.CAPABILITY_CONFERENCE_HAS_NO_CHILDREN);
        when(parentCall.wasConferencePreviouslyMerged()).thenReturn(true);
        //when(parentCall.getConferenceLevelActiveCall()).thenReturn(confCall1);
        when(parentCall.isConference()).thenReturn(true);
        List<String> childrenIds = new LinkedList<String>(){{
            add(confCall1.getTelecomCallId());
            add(confCall2.getTelecomCallId());
        }};
        when(parentCall.getChildrenIds()).thenReturn(childrenIds);
        //Add links from child calls to parent
        String parentId = parentCall.getTelecomCallId();
        when(confCall1.getParentId()).thenReturn(parentId);
        when(confCall2.getParentId()).thenReturn(parentId);

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();

        verify(mMockBluetoothHeadset).clccResponse(eq(1), eq(0), eq(CALL_STATE_ACTIVE), eq(0),
                eq(true), eq("5550000"), eq(PhoneNumberUtils.TOA_Unknown));
        verify(mMockBluetoothHeadset).clccResponse(eq(2), eq(1), eq(CALL_STATE_ACTIVE), eq(0),
                eq(true), eq("5550001"), eq(PhoneNumberUtils.TOA_Unknown));
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
    }

    @Test
    public void testWaitingCallClccResponse() throws Exception {
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);
        // This test does not define a value for getForegroundCall(), so this ringing
        // BluetoothCall will be treated as if it is a waiting BluetoothCall
        // when listCurrentCalls() is invoked.
        BluetoothCall waitingCall = createRingingCall();
        calls.add(waitingCall);
        mBluetoothInCallService.onCallAdded(waitingCall);

        when(waitingCall.isIncoming()).thenReturn(true);
        when(waitingCall.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0000")));
        when(waitingCall.getState()).thenReturn(Call.STATE_RINGING);
        when(waitingCall.isConference()).thenReturn(false);

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();
        verify(mMockBluetoothHeadset).clccResponse(1, 1, CALL_STATE_WAITING, 0, false,
                "5550000", PhoneNumberUtils.TOA_Unknown);
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
        verify(mMockBluetoothHeadset, times(2)).clccResponse(anyInt(),
                anyInt(), anyInt(), anyInt(), anyBoolean(), nullable(String.class), anyInt());
    }

    @Test
    public void testNewCallClccResponse() throws Exception {
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);
        BluetoothCall newCall = createForegroundCall();
        calls.add(newCall);
        mBluetoothInCallService.onCallAdded(newCall);

        when(newCall.getState()).thenReturn(Call.STATE_NEW);
        when(newCall.isConference()).thenReturn(false);

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
        verify(mMockBluetoothHeadset, times(1)).clccResponse(anyInt(),
                anyInt(), anyInt(), anyInt(), anyBoolean(), nullable(String.class), anyInt());
    }

    @Test
    public void testRingingCallClccResponse() throws Exception {
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);
        BluetoothCall ringingCall = createForegroundCall();
        calls.add(ringingCall);
        mBluetoothInCallService.onCallAdded(ringingCall);

        when(ringingCall.getState()).thenReturn(Call.STATE_RINGING);
        when(ringingCall.isIncoming()).thenReturn(true);
        when(ringingCall.isConference()).thenReturn(false);
        when(ringingCall.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0000")));

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();
        verify(mMockBluetoothHeadset).clccResponse(1, 1, CALL_STATE_INCOMING, 0, false,
                "5550000", PhoneNumberUtils.TOA_Unknown);
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
        verify(mMockBluetoothHeadset, times(2)).clccResponse(anyInt(),
                anyInt(), anyInt(), anyInt(), anyBoolean(), nullable(String.class), anyInt());
    }

    @Test
    public void testCallClccCache() throws Exception {
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);
        BluetoothCall ringingCall = createForegroundCall();
        calls.add(ringingCall);
        mBluetoothInCallService.onCallAdded(ringingCall);

        when(ringingCall.getState()).thenReturn(Call.STATE_RINGING);
        when(ringingCall.isIncoming()).thenReturn(true);
        when(ringingCall.isConference()).thenReturn(false);
        when(ringingCall.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:5550000")));

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();
        verify(mMockBluetoothHeadset).clccResponse(1, 1, CALL_STATE_INCOMING, 0, false,
                "5550000", PhoneNumberUtils.TOA_Unknown);

        // Test Caching of old BluetoothCall indices in clcc
        when(ringingCall.getState()).thenReturn(Call.STATE_ACTIVE);
        BluetoothCall newHoldingCall = createHeldCall();
        calls.add(0, newHoldingCall);
        mBluetoothInCallService.onCallAdded(newHoldingCall);

        when(newHoldingCall.getState()).thenReturn(Call.STATE_HOLDING);
        when(newHoldingCall.isIncoming()).thenReturn(true);
        when(newHoldingCall.isConference()).thenReturn(false);
        when(newHoldingCall.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0001")));

        mBluetoothInCallService.listCurrentCalls();
        verify(mMockBluetoothHeadset).clccResponse(1, 1, CALL_STATE_ACTIVE, 0, false,
                "5550000", PhoneNumberUtils.TOA_Unknown);
        verify(mMockBluetoothHeadset).clccResponse(2, 1, CALL_STATE_HELD, 0, false,
                "5550001", PhoneNumberUtils.TOA_Unknown);
        verify(mMockBluetoothHeadset, times(2)).clccResponse(0, 0, 0, 0, false, null, 0);
    }

    @Test
    public void testAlertingCallClccResponse() throws Exception {
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);
        BluetoothCall dialingCall = createForegroundCall();
        calls.add(dialingCall);
        mBluetoothInCallService.onCallAdded(dialingCall);

        when(dialingCall.getState()).thenReturn(Call.STATE_DIALING);
        when(dialingCall.isIncoming()).thenReturn(false);
        when(dialingCall.isConference()).thenReturn(false);
        when(dialingCall.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0000")));

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();
        verify(mMockBluetoothHeadset).clccResponse(1, 0, CALL_STATE_ALERTING, 0, false,
                "5550000", PhoneNumberUtils.TOA_Unknown);
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
        verify(mMockBluetoothHeadset, times(2)).clccResponse(anyInt(),
                anyInt(), anyInt(), anyInt(), anyBoolean(), nullable(String.class), anyInt());
    }

    @Test
    public void testHoldingCallClccResponse() throws Exception {
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);
        BluetoothCall dialingCall = createForegroundCall();
        calls.add(dialingCall);
        mBluetoothInCallService.onCallAdded(dialingCall);

        when(dialingCall.getState()).thenReturn(Call.STATE_DIALING);
        when(dialingCall.isIncoming()).thenReturn(false);
        when(dialingCall.isConference()).thenReturn(false);
        when(dialingCall.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0000")));
        BluetoothCall holdingCall = createHeldCall();
        calls.add(holdingCall);
        mBluetoothInCallService.onCallAdded(holdingCall);

        when(holdingCall.getState()).thenReturn(Call.STATE_HOLDING);
        when(holdingCall.isIncoming()).thenReturn(true);
        when(holdingCall.isConference()).thenReturn(false);
        when(holdingCall.getGatewayInfo()).thenReturn(
                new GatewayInfo(null, null, Uri.parse("tel:555-0001")));

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();
        verify(mMockBluetoothHeadset).clccResponse(1, 0, CALL_STATE_ALERTING, 0, false,
                "5550000", PhoneNumberUtils.TOA_Unknown);
        verify(mMockBluetoothHeadset).clccResponse(2, 1, CALL_STATE_HELD, 0, false,
                "5550001", PhoneNumberUtils.TOA_Unknown);
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
        verify(mMockBluetoothHeadset, times(3)).clccResponse(anyInt(),
                anyInt(), anyInt(), anyInt(), anyBoolean(), nullable(String.class), anyInt());
    }

    @Test
    public void testListCurrentCallsImsConference() throws Exception {
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        BluetoothCall parentCall = createActiveCall();
        calls.add(parentCall);
        mBluetoothInCallService.onCallAdded(parentCall);

        addCallCapability(parentCall, Connection.CAPABILITY_CONFERENCE_HAS_NO_CHILDREN);
        when(parentCall.isConference()).thenReturn(true);
        when(parentCall.getState()).thenReturn(Call.STATE_ACTIVE);
        when(parentCall.isIncoming()).thenReturn(true);
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();

        verify(mMockBluetoothHeadset).clccResponse(eq(1), eq(1), eq(CALL_STATE_ACTIVE), eq(0),
                eq(true), (String) isNull(), eq(-1));
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
    }

    @Test
    public void testListCurrentCallsHeldImsCepConference() throws Exception {
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        BluetoothCall parentCall = createHeldCall();
        BluetoothCall childCall1 = createActiveCall();
        BluetoothCall childCall2 = createActiveCall();
        calls.add(parentCall);
        calls.add(childCall1);
        calls.add(childCall2);
        mBluetoothInCallService.onCallAdded(parentCall);
        mBluetoothInCallService.onCallAdded(childCall1);
        mBluetoothInCallService.onCallAdded(childCall2);

        addCallCapability(parentCall, Connection.CAPABILITY_MANAGE_CONFERENCE);
        String parentId = parentCall.getTelecomCallId();
        when(childCall1.getParentId()).thenReturn(parentId);
        when(childCall2.getParentId()).thenReturn(parentId);

        when(parentCall.isConference()).thenReturn(true);
        when(parentCall.getState()).thenReturn(Call.STATE_HOLDING);
        when(childCall1.getState()).thenReturn(Call.STATE_ACTIVE);
        when(childCall2.getState()).thenReturn(Call.STATE_ACTIVE);

        when(parentCall.isIncoming()).thenReturn(true);
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.listCurrentCalls();

        verify(mMockBluetoothHeadset).clccResponse(eq(1), eq(0), eq(CALL_STATE_HELD), eq(0),
                eq(true), (String) isNull(), eq(-1));
        verify(mMockBluetoothHeadset).clccResponse(eq(2), eq(0), eq(CALL_STATE_HELD), eq(0),
                eq(true), (String) isNull(), eq(-1));
        verify(mMockBluetoothHeadset).clccResponse(0, 0, 0, 0, false, null, 0);
    }

    @Test
    public void testQueryPhoneState() throws Exception {
        BluetoothCall ringingCall = createRingingCall();
        when(ringingCall.getHandle()).thenReturn(Uri.parse("tel:5550000"));

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.queryPhoneState();

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_INCOMING),
                eq("5550000"), eq(PhoneNumberUtils.TOA_Unknown), nullable(String.class));
    }

    @Test
    public void testCDMAConferenceQueryState() throws Exception {
        BluetoothCall parentConfCall = createActiveCall();
        final BluetoothCall confCall1 = getMockCall();
        final BluetoothCall confCall2 = getMockCall();
        mBluetoothInCallService.onCallAdded(confCall1);
        mBluetoothInCallService.onCallAdded(confCall2);
        when(parentConfCall.getHandle()).thenReturn(Uri.parse("tel:555-0000"));
        addCallCapability(parentConfCall, Connection.CAPABILITY_SWAP_CONFERENCE);
        removeCallCapability(parentConfCall, Connection.CAPABILITY_CONFERENCE_HAS_NO_CHILDREN);
        when(parentConfCall.wasConferencePreviouslyMerged()).thenReturn(true);
        when(parentConfCall.isConference()).thenReturn(true);
        List<String> childrenIds = new LinkedList<String>(){{
            add(confCall1.getTelecomCallId());
            add(confCall2.getTelecomCallId());
        }};
        when(parentConfCall.getChildrenIds()).thenReturn(childrenIds);

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.queryPhoneState();
        verify(mMockBluetoothHeadset).phoneStateChanged(eq(1), eq(0), eq(CALL_STATE_IDLE),
                eq(""), eq(128), nullable(String.class));
    }

    @Test
    public void testProcessChldTypeReleaseHeldRinging() throws Exception {
        BluetoothCall ringingCall = createRingingCall();
        Log.i("BluetoothInCallService", "asdf start " + Integer.toString(ringingCall.hashCode()));

        boolean didProcess = mBluetoothInCallService.processChld(CHLD_TYPE_RELEASEHELD);

        verify(ringingCall).reject(eq(false), nullable(String.class));
        Assert.assertTrue(didProcess);
    }

    @Test
    public void testProcessChldTypeReleaseHeldHold() throws Exception {
        BluetoothCall onHoldCall = createHeldCall();
        boolean didProcess = mBluetoothInCallService.processChld(CHLD_TYPE_RELEASEHELD);

        verify(onHoldCall).disconnect();
        Assert.assertTrue(didProcess);
    }

    @Test
    public void testProcessChldReleaseActiveRinging() throws Exception {
        BluetoothCall activeCall = createActiveCall();
        BluetoothCall ringingCall = createRingingCall();

        boolean didProcess = mBluetoothInCallService.processChld(
                CHLD_TYPE_RELEASEACTIVE_ACCEPTHELD);

        verify(activeCall).disconnect();
        verify(ringingCall).answer(any(int.class));
        Assert.assertTrue(didProcess);
    }

    @Test
    public void testProcessChldReleaseActiveHold() throws Exception {
        BluetoothCall activeCall = createActiveCall();
        BluetoothCall heldCall = createHeldCall();

        boolean didProcess = mBluetoothInCallService.processChld(
                CHLD_TYPE_RELEASEACTIVE_ACCEPTHELD);

        verify(activeCall).disconnect();
        // BluetoothCall unhold will occur as part of CallsManager auto-unholding
        // the background BluetoothCall on its own.
        Assert.assertTrue(didProcess);
    }

    @Test
    public void testProcessChldHoldActiveRinging() throws Exception {
        BluetoothCall ringingCall = createRingingCall();

        boolean didProcess = mBluetoothInCallService.processChld(
                CHLD_TYPE_HOLDACTIVE_ACCEPTHELD);

        verify(ringingCall).answer(any(int.class));
        Assert.assertTrue(didProcess);
    }

    @Test
    public void testProcessChldHoldActiveUnhold() throws Exception {
        BluetoothCall heldCall = createHeldCall();

        boolean didProcess = mBluetoothInCallService.processChld(
                CHLD_TYPE_HOLDACTIVE_ACCEPTHELD);

        verify(heldCall).unhold();
        Assert.assertTrue(didProcess);
    }

    @Test
    public void testProcessChldHoldActiveHold() throws Exception {
        BluetoothCall activeCall = createActiveCall();
        addCallCapability(activeCall, Connection.CAPABILITY_HOLD);

        boolean didProcess = mBluetoothInCallService.processChld(
                CHLD_TYPE_HOLDACTIVE_ACCEPTHELD);

        verify(activeCall).hold();
        Assert.assertTrue(didProcess);
    }

    @Test
    public void testProcessChldAddHeldToConfHolding() throws Exception {
        BluetoothCall activeCall = createActiveCall();
        addCallCapability(activeCall, Connection.CAPABILITY_MERGE_CONFERENCE);

        boolean didProcess = mBluetoothInCallService.processChld(CHLD_TYPE_ADDHELDTOCONF);

        verify(activeCall).mergeConference();
        Assert.assertTrue(didProcess);
    }

    @Test
    public void testProcessChldAddHeldToConf() throws Exception {
        BluetoothCall activeCall = createActiveCall();
        removeCallCapability(activeCall, Connection.CAPABILITY_MERGE_CONFERENCE);
        BluetoothCall conferenceableCall = getMockCall();
        ArrayList<String> conferenceableCalls = new ArrayList<>();
        conferenceableCalls.add(conferenceableCall.getTelecomCallId());
        mBluetoothInCallService.onCallAdded(conferenceableCall);

        when(activeCall.getConferenceableCalls()).thenReturn(conferenceableCalls);

        boolean didProcess = mBluetoothInCallService.processChld(CHLD_TYPE_ADDHELDTOCONF);

        verify(activeCall).conference(conferenceableCall);
        Assert.assertTrue(didProcess);
    }

    @Test
    public void testProcessChldHoldActiveSwapConference() throws Exception {
        // Create an active CDMA BluetoothCall with a BluetoothCall on hold
        // and simulate a swapConference().
        BluetoothCall parentCall = createActiveCall();
        final BluetoothCall foregroundCall = getMockCall();
        final BluetoothCall heldCall = createHeldCall();
        addCallCapability(parentCall, Connection.CAPABILITY_SWAP_CONFERENCE);
        removeCallCapability(parentCall, Connection.CAPABILITY_CONFERENCE_HAS_NO_CHILDREN);
        when(parentCall.isConference()).thenReturn(true);
        when(parentCall.wasConferencePreviouslyMerged()).thenReturn(false);
        List<String> childrenIds = new LinkedList<String>(){{
            add(foregroundCall.getTelecomCallId());
            add(heldCall.getTelecomCallId());
        }};
        when(parentCall.getChildrenIds()).thenReturn(childrenIds);

        clearInvocations(mMockBluetoothHeadset);
        boolean didProcess = mBluetoothInCallService.processChld(
                CHLD_TYPE_HOLDACTIVE_ACCEPTHELD);

        verify(parentCall).swapConference();
        verify(mMockBluetoothHeadset).phoneStateChanged(eq(1), eq(1), eq(CALL_STATE_IDLE), eq(""),
                eq(128), nullable(String.class));
        Assert.assertTrue(didProcess);
    }

    // Testing the CallsManager Listener Functionality on Bluetooth
    @Test
    public void testOnCallAddedRinging() throws Exception {
        BluetoothCall ringingCall = createRingingCall();
        when(ringingCall.getHandle()).thenReturn(Uri.parse("tel:555000"));

        mBluetoothInCallService.onCallAdded(ringingCall);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_INCOMING),
                eq("555000"), eq(PhoneNumberUtils.TOA_Unknown), nullable(String.class));
    }

    @Test
    public void testSilentRingingCallState() throws Exception {
        BluetoothCall ringingCall = createRingingCall();
        when(ringingCall.isSilentRingingRequested()).thenReturn(true);
        when(ringingCall.getHandle()).thenReturn(Uri.parse("tel:555000"));

        mBluetoothInCallService.onCallAdded(ringingCall);

        verify(mMockBluetoothHeadset, never()).phoneStateChanged(anyInt(), anyInt(), anyInt(),
                anyString(), anyInt(), nullable(String.class));
    }

    @Test
    public void testOnCallAddedCdmaActiveHold() throws Exception {
        // BluetoothCall has been put into a CDMA "conference" with one BluetoothCall on hold.
        BluetoothCall parentCall = createActiveCall();
        final BluetoothCall foregroundCall = getMockCall();
        final BluetoothCall heldCall = createHeldCall();
        addCallCapability(parentCall, Connection.CAPABILITY_MERGE_CONFERENCE);
        removeCallCapability(parentCall, Connection.CAPABILITY_CONFERENCE_HAS_NO_CHILDREN);
        when(parentCall.isConference()).thenReturn(true);
        List<String> childrenIds = new LinkedList<String>(){{
            add(foregroundCall.getTelecomCallId());
            add(heldCall.getTelecomCallId());
        }};
        when(parentCall.getChildrenIds()).thenReturn(childrenIds);

        mBluetoothInCallService.onCallAdded(parentCall);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(1), eq(1), eq(CALL_STATE_IDLE),
                eq(""), eq(128), nullable(String.class));
    }

    @Test
    public void testOnCallRemoved() throws Exception {
        BluetoothCall activeCall = createActiveCall();
        mBluetoothInCallService.onCallAdded(activeCall);
        doReturn(null).when(mMockCallInfo).getActiveCall();
        mBluetoothInCallService.onCallRemoved(activeCall);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_IDLE),
                eq(""), eq(128), nullable(String.class));
    }

    @Test
    public void testOnCallStateChangedConnectingCall() throws Exception {
        BluetoothCall activeCall = getMockCall();
        BluetoothCall connectingCall = getMockCall();
        when(connectingCall.getState()).thenReturn(Call.STATE_CONNECTING);
        ArrayList<BluetoothCall> calls = new ArrayList<>();
        calls.add(connectingCall);
        calls.add(activeCall);
        mBluetoothInCallService.onCallAdded(connectingCall);
        mBluetoothInCallService.onCallAdded(activeCall);
        when(mMockCallInfo.getBluetoothCalls()).thenReturn(calls);

        mBluetoothInCallService.getCallback(activeCall)
                .onStateChanged(activeCall, Call.STATE_HOLDING);

        verify(mMockBluetoothHeadset, never()).phoneStateChanged(anyInt(), anyInt(), anyInt(),
                anyString(), anyInt(), nullable(String.class));
    }

    @Test
    public void testOnCallAddedAudioProcessing() throws Exception {
        BluetoothCall call = getMockCall();
        when(call.getState()).thenReturn(Call.STATE_AUDIO_PROCESSING);
        mBluetoothInCallService.onCallAdded(call);

        verify(mMockBluetoothHeadset, never()).phoneStateChanged(anyInt(), anyInt(), anyInt(),
                anyString(), anyInt(), nullable(String.class));
    }

    @Test
    public void testOnCallStateChangedRingingToAudioProcessing() throws Exception {
        BluetoothCall ringingCall = createRingingCall();
        when(ringingCall.getHandle()).thenReturn(Uri.parse("tel:555000"));

        mBluetoothInCallService.onCallAdded(ringingCall);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_INCOMING),
                eq("555000"), eq(PhoneNumberUtils.TOA_Unknown), nullable(String.class));

        when(ringingCall.getState()).thenReturn(Call.STATE_AUDIO_PROCESSING);
        when(mMockCallInfo.getRingingOrSimulatedRingingCall()).thenReturn(null);

        mBluetoothInCallService.getCallback(ringingCall)
                .onStateChanged(ringingCall, Call.STATE_AUDIO_PROCESSING);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_IDLE),
                eq(""), eq(128), nullable(String.class));
    }

    @Test
    public void testOnCallStateChangedAudioProcessingToSimulatedRinging() throws Exception {
        BluetoothCall ringingCall = createRingingCall();
        when(ringingCall.getHandle()).thenReturn(Uri.parse("tel:555-0000"));
        mBluetoothInCallService.onCallAdded(ringingCall);
        mBluetoothInCallService.getCallback(ringingCall)
                .onStateChanged(ringingCall, Call.STATE_SIMULATED_RINGING);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_INCOMING),
                eq("555-0000"), eq(PhoneNumberUtils.TOA_Unknown), nullable(String.class));
    }

    @Test
    public void testOnCallStateChangedAudioProcessingToActive() throws Exception {
        BluetoothCall activeCall = createActiveCall();
        when(activeCall.getState()).thenReturn(Call.STATE_ACTIVE);
        mBluetoothInCallService.onCallAdded(activeCall);
        mBluetoothInCallService.getCallback(activeCall)
                .onStateChanged(activeCall, Call.STATE_ACTIVE);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(1), eq(0), eq(CALL_STATE_IDLE),
                eq(""), eq(128), nullable(String.class));
    }

    @Test
    public void testOnCallStateChangedDialing() throws Exception {
        BluetoothCall activeCall = createActiveCall();

        // make "mLastState" STATE_CONNECTING
        BluetoothInCallService.CallStateCallback callback =
                mBluetoothInCallService.new CallStateCallback(Call.STATE_CONNECTING);
        mBluetoothInCallService.mCallbacks.put(
                activeCall.getTelecomCallId(), callback);

        mBluetoothInCallService.mCallbacks.get(activeCall.getTelecomCallId())
                .onStateChanged(activeCall, Call.STATE_DIALING);

        verify(mMockBluetoothHeadset, never()).phoneStateChanged(anyInt(), anyInt(), anyInt(),
                anyString(), anyInt(), nullable(String.class));
    }

    @Test
    public void testOnCallStateChangedAlerting() throws Exception {
        BluetoothCall outgoingCall = createOutgoingCall();
        mBluetoothInCallService.onCallAdded(outgoingCall);
        mBluetoothInCallService.getCallback(outgoingCall)
                .onStateChanged(outgoingCall, Call.STATE_DIALING);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_DIALING),
                eq(""), eq(128), nullable(String.class));
        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_ALERTING),
                eq(""), eq(128), nullable(String.class));
    }

    @Test
    public void testOnCallStateChangedDisconnected() throws Exception {
        BluetoothCall disconnectedCall = createDisconnectedCall();
        doReturn(true).when(mMockCallInfo).hasOnlyDisconnectedCalls();
        mBluetoothInCallService.onCallAdded(disconnectedCall);
        mBluetoothInCallService.getCallback(disconnectedCall)
                .onStateChanged(disconnectedCall, Call.STATE_DISCONNECTED);
        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_DISCONNECTED),
                eq(""), eq(128), nullable(String.class));
    }

    @Test
    public void testOnCallStateChanged() throws Exception {
        BluetoothCall ringingCall = createRingingCall();
        when(ringingCall.getHandle()).thenReturn(Uri.parse("tel:555-0000"));
        mBluetoothInCallService.onCallAdded(ringingCall);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_INCOMING),
                eq("555-0000"), eq(PhoneNumberUtils.TOA_Unknown), nullable(String.class));

        //Switch to active
        doReturn(null).when(mMockCallInfo).getRingingOrSimulatedRingingCall();
        when(mMockCallInfo.getActiveCall()).thenReturn(ringingCall);

        mBluetoothInCallService.getCallback(ringingCall)
                .onStateChanged(ringingCall, Call.STATE_ACTIVE);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(1), eq(0), eq(CALL_STATE_IDLE),
                eq(""), eq(128), nullable(String.class));
    }

    @Test
    public void testOnCallStateChangedGSMSwap() throws Exception {
        BluetoothCall heldCall = createHeldCall();
        when(heldCall.getHandle()).thenReturn(Uri.parse("tel:555-0000"));
        mBluetoothInCallService.onCallAdded(heldCall);
        doReturn(2).when(mMockCallInfo).getNumHeldCalls();

        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.getCallback(heldCall)
                .onStateChanged(heldCall, Call.STATE_HOLDING);

        verify(mMockBluetoothHeadset, never()).phoneStateChanged(eq(0), eq(2), eq(CALL_STATE_HELD),
                eq("5550000"), eq(PhoneNumberUtils.TOA_Unknown), nullable(String.class));
    }

    @Test
    public void testOnParentOnChildrenChanged() throws Exception {
        // Start with two calls that are being merged into a CDMA conference call. The
        // onIsConferencedChanged method will be called multiple times during the call. Make sure
        // that the bluetooth phone state is updated properly.
        BluetoothCall parentCall = createActiveCall();
        BluetoothCall activeCall = getMockCall();
        BluetoothCall heldCall = createHeldCall();
        mBluetoothInCallService.onCallAdded(parentCall);
        mBluetoothInCallService.onCallAdded(activeCall);
        mBluetoothInCallService.onCallAdded(heldCall);
        String parentId = parentCall.getTelecomCallId();
        when(activeCall.getParentId()).thenReturn(parentId);
        when(heldCall.getParentId()).thenReturn(parentId);

        ArrayList<String> calls = new ArrayList<>();
        calls.add(activeCall.getTelecomCallId());

        when(parentCall.getChildrenIds()).thenReturn(calls);
        when(parentCall.isConference()).thenReturn(true);

        removeCallCapability(parentCall, Connection.CAPABILITY_CONFERENCE_HAS_NO_CHILDREN);
        addCallCapability(parentCall, Connection.CAPABILITY_SWAP_CONFERENCE);
        when(parentCall.wasConferencePreviouslyMerged()).thenReturn(false);

        clearInvocations(mMockBluetoothHeadset);
        // Be sure that onIsConferencedChanged rejects spurious changes during set up of
        // CDMA "conference"
        mBluetoothInCallService.getCallback(activeCall).onParentChanged(activeCall);
        verify(mMockBluetoothHeadset, never()).phoneStateChanged(anyInt(), anyInt(), anyInt(),
                anyString(), anyInt(), nullable(String.class));

        mBluetoothInCallService.getCallback(heldCall).onParentChanged(heldCall);
        verify(mMockBluetoothHeadset, never()).phoneStateChanged(anyInt(), anyInt(), anyInt(),
                anyString(), anyInt(), nullable(String.class));

        mBluetoothInCallService.getCallback(parentCall)
                .onChildrenChanged(
                        parentCall,
                        mBluetoothInCallService.getBluetoothCallsByIds(calls));
        verify(mMockBluetoothHeadset, never()).phoneStateChanged(anyInt(), anyInt(), anyInt(),
                anyString(), anyInt(), nullable(String.class));

        calls.add(heldCall.getTelecomCallId());
        mBluetoothInCallService.onCallAdded(heldCall);
        mBluetoothInCallService.getCallback(parentCall)
                .onChildrenChanged(
                        parentCall,
                        mBluetoothInCallService.getBluetoothCallsByIds(calls));
        verify(mMockBluetoothHeadset).phoneStateChanged(eq(1), eq(1), eq(CALL_STATE_IDLE),
                eq(""), eq(128), nullable(String.class));
    }

    @Test
    public void testBluetoothAdapterReceiver() throws Exception {
        BluetoothCall ringingCall = createRingingCall();
        when(ringingCall.getHandle()).thenReturn(Uri.parse("tel:5550000"));

        Intent intent = new Intent(BluetoothAdapter.ACTION_STATE_CHANGED);
        intent.putExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.STATE_ON);
        clearInvocations(mMockBluetoothHeadset);
        mBluetoothInCallService.mBluetoothAdapterReceiver
                = mBluetoothInCallService.new BluetoothAdapterReceiver();
        mBluetoothInCallService.mBluetoothAdapterReceiver
                .onReceive(mBluetoothInCallService, intent);

        verify(mMockBluetoothHeadset).phoneStateChanged(eq(0), eq(0), eq(CALL_STATE_INCOMING),
                eq("5550000"), eq(PhoneNumberUtils.TOA_Unknown), nullable(String.class));
    }

    private void addCallCapability(BluetoothCall call, int capability) {
        when(call.can(capability)).thenReturn(true);
    }

    private void removeCallCapability(BluetoothCall call, int capability) {
        when(call.can(capability)).thenReturn(false);
    }

    private BluetoothCall createActiveCall() {
        BluetoothCall call = getMockCall();
        when(mMockCallInfo.getActiveCall()).thenReturn(call);
        return call;
    }

    private BluetoothCall createRingingCall() {
        BluetoothCall call = getMockCall();
        Log.i("BluetoothInCallService", "asdf creaete " + Integer.toString(call.hashCode()));
        when(mMockCallInfo.getRingingOrSimulatedRingingCall()).thenReturn(call);
        return call;
    }

    private BluetoothCall createHeldCall() {
        BluetoothCall call = getMockCall();
        when(mMockCallInfo.getHeldCall()).thenReturn(call);
        return call;
    }

    private BluetoothCall createOutgoingCall() {
        BluetoothCall call = getMockCall();
        when(mMockCallInfo.getOutgoingCall()).thenReturn(call);
        return call;
    }

    private BluetoothCall createDisconnectedCall() {
        BluetoothCall call = getMockCall();
        when(mMockCallInfo.getCallByState(Call.STATE_DISCONNECTED)).thenReturn(call);
        return call;
    }

    private BluetoothCall createForegroundCall() {
        BluetoothCall call = getMockCall();
        when(mMockCallInfo.getForegroundCall()).thenReturn(call);
        return call;
    }

    private static ComponentName makeQuickConnectionServiceComponentName() {
        return new ComponentName("com.android.server.telecom.tests",
                "com.android.server.telecom.tests.MockConnectionService");
    }

    private static PhoneAccountHandle makeQuickAccountHandle(String id) {
        return new PhoneAccountHandle(makeQuickConnectionServiceComponentName(), id,
                Binder.getCallingUserHandle());
    }

    private PhoneAccount.Builder makeQuickAccountBuilder(String id, int idx) {
        return new PhoneAccount.Builder(makeQuickAccountHandle(id), "label" + idx);
    }

    private PhoneAccount makeQuickAccount(String id, int idx) {
        return makeQuickAccountBuilder(id, idx)
                .setAddress(Uri.parse(TEST_ACCOUNT_ADDRESS + idx))
                .setSubscriptionAddress(Uri.parse("tel:555-000" + idx))
                .setCapabilities(idx)
                .setShortDescription("desc" + idx)
                .setIsEnabled(true)
                .build();
    }

    private BluetoothCall getMockCall() {
        BluetoothCall call = mock(com.android.bluetooth.hfp.BluetoothCall.class);
        String uuid = UUID.randomUUID().toString();
        when(call.getTelecomCallId()).thenReturn(uuid);
        return call;
    }
}