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/*
* Copyright (C) 2018 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.internal.telephony;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import android.os.PersistableBundle;
import android.telephony.AccessNetworkConstants;
import android.telephony.CarrierConfigManager;
import android.telephony.LteVopsSupportInfo;
import android.telephony.NetworkRegistrationInfo;
import android.telephony.ServiceState;
import android.telephony.TelephonyManager;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.util.Arrays;
/** Tests for RatRatcheter. */
public class RatRatcheterTest extends TelephonyTest {
private ServiceState mServiceState;
private PersistableBundle mBundle;
@Before
public void setUp() throws Exception {
super.setUp(getClass().getSimpleName());
mServiceState = new ServiceState();
}
@After
public void tearDown() throws Exception {
super.tearDown();
}
@Test
public void testUpdateBandwidthsSuccess() {
int[] bandwidths = new int[] {1400, 5000};
mServiceState.setCellBandwidths(new int[] {5000});
boolean updated = RatRatcheter.updateBandwidths(bandwidths, mServiceState);
assertTrue(updated);
assertTrue(Arrays.equals(mServiceState.getCellBandwidths(), bandwidths));
}
@Test
public void testUpdateBandwidthsFailure() {
int[] originalBandwidths = {5000, 10000};
int[] newBandwidths = {1400, 5000};
mServiceState.setCellBandwidths(originalBandwidths);
boolean updated = RatRatcheter.updateBandwidths(newBandwidths, mServiceState);
assertFalse(updated);
assertTrue(Arrays.equals(mServiceState.getCellBandwidths(), originalBandwidths));
}
@Test
public void testUpdateBandwidthsNull() {
int[] originalBandwidths = {5000, 10000};
mServiceState.setCellBandwidths(originalBandwidths);
boolean updated = RatRatcheter.updateBandwidths(null, mServiceState);
assertFalse(updated);
assertTrue(Arrays.equals(mServiceState.getCellBandwidths(), originalBandwidths));
}
private NetworkRegistrationInfo createNetworkRegistrationInfo(
int domain, int accessNetworkTechnology, boolean isUsingCarrierAggregation) {
LteVopsSupportInfo lteVopsSupportInfo =
new LteVopsSupportInfo(LteVopsSupportInfo.LTE_STATUS_SUPPORTED,
LteVopsSupportInfo.LTE_STATUS_NOT_SUPPORTED);
return new NetworkRegistrationInfo(
domain, // domain
AccessNetworkConstants.TRANSPORT_TYPE_WWAN, // transportType
0, // registrationState
accessNetworkTechnology, // accessNetworkTechnology
0, // rejectCause
false, // emergencyOnly
null, // availableServices
null, // cellIdentity
null, // rplmn
0, // maxDataCalls
false, // isDcNrRestricted
false, // isNrAvailable
false, // isEndcAvailable
lteVopsSupportInfo, // lteVopsSupportInfo
isUsingCarrierAggregation); // isUsingCarrierAggregation
}
private void setNetworkRegistrationInfo(ServiceState ss, int accessNetworkTechnology) {
NetworkRegistrationInfo nri1;
NetworkRegistrationInfo nri2;
boolean isUsingCarrierAggregation = false;
if (accessNetworkTechnology == TelephonyManager.NETWORK_TYPE_LTE_CA) {
isUsingCarrierAggregation = true;
}
nri1 = createNetworkRegistrationInfo(NetworkRegistrationInfo.DOMAIN_PS,
accessNetworkTechnology, isUsingCarrierAggregation);
nri2 = createNetworkRegistrationInfo(NetworkRegistrationInfo.DOMAIN_CS,
accessNetworkTechnology, isUsingCarrierAggregation);
ss.addNetworkRegistrationInfo(nri1);
ss.addNetworkRegistrationInfo(nri2);
}
@Test
public void testRatchetIsFamily() {
ServiceState oldSS = new ServiceState();
ServiceState newSS = new ServiceState();
mBundle = mContextFixture.getCarrierConfigBundle();
mBundle.putStringArray(CarrierConfigManager.KEY_RATCHET_RAT_FAMILIES,
new String[]{"14,19"});
setNetworkRegistrationInfo(oldSS, TelephonyManager.NETWORK_TYPE_LTE_CA);
setNetworkRegistrationInfo(newSS, TelephonyManager.NETWORK_TYPE_LTE);
RatRatcheter ratRatcheter = new RatRatcheter(mPhone);
ratRatcheter.ratchet(oldSS, newSS, false);
assertTrue(newSS.isUsingCarrierAggregation());
}
@Test
public void testRatchetIsNotFamily() {
ServiceState oldSS = new ServiceState();
ServiceState newSS = new ServiceState();
mBundle = mContextFixture.getCarrierConfigBundle();
mBundle.putStringArray(CarrierConfigManager.KEY_RATCHET_RAT_FAMILIES, new String[]{});
setNetworkRegistrationInfo(oldSS, TelephonyManager.NETWORK_TYPE_LTE_CA);
setNetworkRegistrationInfo(newSS, TelephonyManager.NETWORK_TYPE_LTE);
RatRatcheter ratRatcheter = new RatRatcheter(mPhone);
ratRatcheter.ratchet(oldSS, newSS, false);
assertFalse(newSS.isUsingCarrierAggregation());
}
}
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