Merge "More tidy up / test refactoring" (87909342) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/NitzStateMachine.java

+7 −3

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package com.android.internal.telephony;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.content.ContentResolver;
		import android.content.Context;
		import android.os.SystemClock;
		@@ -60,7 +62,7 @@ public interface NitzStateMachine {
		/**
		* Handle a new NITZ signal being received.
		*/
		void handleNitzReceived(TimestampedValue<NitzData> nitzSignal);
		void handleNitzReceived(@NonNull TimestampedValue<NitzData> nitzSignal);

		/**
		* Handle the user putting the device into or out of airplane mode
		@@ -81,6 +83,7 @@ public interface NitzStateMachine {
		/**
		* Returns the last NITZ data that was cached.
		*/
		@Nullable
		NitzData getCachedNitzData();

		/**
		@@ -106,7 +109,7 @@ public interface NitzStateMachine {
		*/
		boolean getIgnoreNitz();

		String getNetworkCountryIsoForPhone();
		@Nullable String getNetworkCountryIsoForPhone();

		/**
		* Returns the same value as {@link SystemClock#elapsedRealtime()}.
		@@ -135,7 +138,7 @@ public interface NitzStateMachine {
		private final TelephonyManager mTelephonyManager;
		private final ContentResolver mCr;

		DeviceStateImpl(GsmCdmaPhone phone) {
		public DeviceStateImpl(GsmCdmaPhone phone) {
		mPhone = phone;

		Context context = phone.getContext();
		@@ -166,6 +169,7 @@ public interface NitzStateMachine {
		}

		@Override
		@Nullable
		public String getNetworkCountryIsoForPhone() {
		return mTelephonyManager.getNetworkCountryIsoForPhone(mPhone.getPhoneId());
		}

src/java/com/android/internal/telephony/NitzStateMachineImpl.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -204,8 +204,8 @@ public final class NitzStateMachineImpl implements NitzStateMachine {

		zoneId = null;
		} else {
		OffsetResult lookupResult = mTimeZoneLookupHelper.lookupByNitzCountry(
		nitzData, isoCountryCode);
		OffsetResult lookupResult =
		mTimeZoneLookupHelper.lookupByNitzCountry(nitzData, isoCountryCode);
		if (DBG) {
		Rlog.d(LOG_TAG, "updateTimeZoneFromCountryAndNitz: using"
		+ " lookupByNitzCountry(nitzData, isoCountryCode),"

src/java/com/android/internal/telephony/TimeZoneLookupHelper.java

+0 −17

Original line number	Diff line number	Diff line
		@@ -165,8 +165,6 @@ public class TimeZoneLookupHelper {
		}
		}

		private static final int MS_PER_HOUR = 60 * 60 * 1000;

		/** The last CountryTimeZones object retrieved. */
		private CountryTimeZones mLastCountryTimeZones;

		@@ -296,21 +294,6 @@ public class TimeZoneLookupHelper {
		return countryTimeZones == null ? null : countryTimeZones.getDefaultTimeZoneId();
		}

		/**
		* Finds a time zone using only information present in the supplied {@link NitzData} object.
		* This is a static method for use by {@link ServiceStateTracker}.
		*
		* <p><em>Note:</em> Because multiple time zones can have the same offset / DST state at a given
		* time this process is error prone; an arbitrary match is returned when there are multiple
		* candidates. The algorithm can also return a non-exact match by assuming that the DST
		* information provided by NITZ is incorrect. This method can return {@code null} if no matching
		* time zones are found.
		*/
		static TimeZone guessZoneByNitzStatic(NitzData nitzData) {
		OffsetResult result = lookupByNitzStatic(nitzData);
		return result != null ? result.getTimeZone() : null;
		}

		private static OffsetResult lookupByNitzStatic(NitzData nitzData) {
		int utcOffsetMillis = nitzData.getLocalOffsetMillis();
		long timeMillis = nitzData.getCurrentTimeInMillis();

tests/telephonytests/src/com/android/internal/telephony/NitzStateMachineImplTest.java

+74 −155

File changed.

Preview size limit exceeded, changes collapsed.

tests/telephonytests/src/com/android/internal/telephony/NitzStateMachineTestSupport.java

+82 −42

Original line number	Diff line number	Diff line
		@@ -28,78 +28,110 @@ import com.android.internal.telephony.NitzStateMachine.DeviceState;
		/**
		* An assortment of methods and classes for testing {@link NitzStateMachine} implementations.
		*/
		final class NitzStateMachineTestSupport {
		public final class NitzStateMachineTestSupport {

		// Values used to when initializing device state but where the value isn't important.
		public static final long ARBITRARY_SYSTEM_CLOCK_TIME = createUtcTime(1977, 1, 1, 12, 0, 0);
		public static final long ARBITRARY_REALTIME_MILLIS = 123456789L;
		public static final String ARBITRARY_TIME_ZONE_ID = "Europe/Paris";

		// A country with a single zone : the zone can be guessed from the country.
		// The UK uses UTC for part of the year so it is not good for detecting bogus NITZ signals.
		public static final Scenario UNITED_KINGDOM_SCENARIO = new Scenario.Builder()
		.setTimeZone("Europe/London")
		.setActualTimeUtc(2018, 1, 1, 12, 0, 0)
		.setCountryIso("gb")
		.buildFrozen();
		public static final String UNITED_KINGDOM_COUNTRY_DEFAULT_ZONE_ID = "Europe/London";

		// A country that has multiple zones, but there is only one matching time zone at the time :
		// the zone cannot be guessed from the country alone, but can be guessed from the country +
		// NITZ. The US never uses UTC so it can be used for testing bogus NITZ signal handling.
		public static final Scenario UNIQUE_US_ZONE_SCENARIO = new Scenario.Builder()
		.setTimeZone("America/Los_Angeles")
		.setActualTimeUtc(2018, 1, 1, 12, 0, 0)
		.setCountryIso("us")
		.buildFrozen();
		public static final String US_COUNTRY_DEFAULT_ZONE_ID = "America/New_York";

		// A country with a single zone: the zone can be guessed from the country alone. CZ never uses
		// UTC so it can be used for testing bogus NITZ signal handling.
		public static final Scenario CZECHIA_SCENARIO = new Scenario.Builder()
		.setTimeZone("Europe/Prague")
		.setActualTimeUtc(2018, 1, 1, 12, 0, 0)
		.setCountryIso("cz")
		.buildFrozen();
		public static final String CZECHIA_COUNTRY_DEFAULT_ZONE_ID = "Europe/Prague";

		/**
		* A scenario used during tests. Describes a fictional reality.
		*/
		static class Scenario {
		public static class Scenario {

		private final boolean mFrozen;
		private TimeZone mZone;
		private String mNetworkCountryIsoCode;
		private long mElapsedRealtimeMillis;
		private long mActualTimeMillis;

		Scenario(boolean frozen, long elapsedRealtimeMillis, long timeMillis, String zoneId,
		String countryIsoCode) {
		public Scenario(boolean frozen, long timeMillis, String zoneId, String countryIsoCode) {
		mFrozen = frozen;
		mActualTimeMillis = timeMillis;
		mElapsedRealtimeMillis = elapsedRealtimeMillis;
		mZone = zone(zoneId);
		mNetworkCountryIsoCode = countryIsoCode;
		}

		/** Creates an NITZ signal to match the scenario. */
		TimestampedValue<NitzData> createNitzSignal() {
		public TimestampedValue<NitzData> createNitzSignal(long elapsedRealtimeClock) {
		return new TimestampedValue<>(elapsedRealtimeClock, createNitzData());
		}

		/** Creates an NITZ signal to match the scenario. */
		public NitzData createNitzData() {
		int[] offsets = new int[2];
		mZone.getOffset(mActualTimeMillis, false /* local */, offsets);
		int zoneOffsetMillis = offsets[0] + offsets[1];
		NitzData nitzData = NitzData.createForTests(
		return NitzData.createForTests(
		zoneOffsetMillis, offsets[1], mActualTimeMillis,
		null /* emulatorHostTimeZone */);
		return new TimestampedValue<>(mElapsedRealtimeMillis, nitzData);
		}

		/** Creates a time signal to match the scenario. */
		TimestampedValue<Long> createTimeSignal() {
		return new TimestampedValue<>(mElapsedRealtimeMillis, mActualTimeMillis);
		}

		long getDeviceRealTimeMillis() {
		return mElapsedRealtimeMillis;
		public TimestampedValue<Long> createTimeSignal(long elapsedRealtimeClock) {
		return new TimestampedValue<>(elapsedRealtimeClock, mActualTimeMillis);
		}

		String getNetworkCountryIsoCode() {
		public String getNetworkCountryIsoCode() {
		return mNetworkCountryIsoCode;
		}

		String getTimeZoneId() {
		public String getTimeZoneId() {
		return mZone.getID();
		}

		long getActualTimeMillis() {
		public TimeZone getTimeZone() {
		return mZone;
		}

		public long getActualTimeMillis() {
		return mActualTimeMillis;
		}

		Scenario incrementTime(long timeIncrementMillis) {
		public Scenario incrementTime(long timeIncrementMillis) {
		checkFrozen();
		mElapsedRealtimeMillis += timeIncrementMillis;
		mActualTimeMillis += timeIncrementMillis;
		return this;
		}

		Scenario changeCountry(String timeZoneId, String networkCountryIsoCode) {
		public Scenario changeCountry(String timeZoneId, String networkCountryIsoCode) {
		checkFrozen();
		mZone = zone(timeZoneId);
		mNetworkCountryIsoCode = networkCountryIsoCode;
		return this;
		}

		Scenario mutableCopy() {
		public Scenario mutableCopy() {
		return new Scenario(
		false /* frozen */, mElapsedRealtimeMillis, mActualTimeMillis, mZone.getID(),
		mNetworkCountryIsoCode);
		false /* frozen */, mActualTimeMillis, mZone.getID(), mNetworkCountryIsoCode);
		}

		private void checkFrozen() {
		@@ -108,45 +140,37 @@ final class NitzStateMachineTestSupport {
		}
		}

		static class Builder {
		public static class Builder {

		private long mInitialDeviceRealtimeMillis;
		private long mActualTimeMillis;
		private String mZoneId;
		private String mCountryIsoCode;

		Builder setDeviceRealtimeMillis(long realtimeMillis) {
		mInitialDeviceRealtimeMillis = realtimeMillis;
		return this;
		}

		Builder setActualTimeUtc(int year, int monthInYear, int day, int hourOfDay,
		public Builder setActualTimeUtc(int year, int monthInYear, int day, int hourOfDay,
		int minute, int second) {
		mActualTimeMillis = createUtcTime(year, monthInYear, day, hourOfDay, minute,
		second);
		return this;
		}

		Builder setTimeZone(String zoneId) {
		public Builder setTimeZone(String zoneId) {
		mZoneId = zoneId;
		return this;
		}

		Builder setCountryIso(String isoCode) {
		public Builder setCountryIso(String isoCode) {
		mCountryIsoCode = isoCode;
		return this;
		}

		Scenario buildFrozen() {
		return new Scenario(
		true /* frozen */, mInitialDeviceRealtimeMillis, mActualTimeMillis, mZoneId,
		mCountryIsoCode);
		public Scenario buildFrozen() {
		return new Scenario(true /* frozen */, mActualTimeMillis, mZoneId, mCountryIsoCode);
		}
		}
		}

		/** A fake implementation of {@link DeviceState}. */
		static class FakeDeviceState implements DeviceState {
		public static class FakeDeviceState implements DeviceState {

		public boolean ignoreNitz;
		public int nitzUpdateDiffMillis;
		@@ -155,6 +179,14 @@ final class NitzStateMachineTestSupport {
		public long elapsedRealtime;
		public long currentTimeMillis;

		public FakeDeviceState() {
		// Set sensible defaults fake device state.
		ignoreNitz = false;
		nitzUpdateDiffMillis = 2000;
		nitzUpdateSpacingMillis = 1000 * 60 * 10;
		elapsedRealtime = ARBITRARY_REALTIME_MILLIS;
		}

		@Override
		public int getNitzUpdateSpacingMillis() {
		return nitzUpdateSpacingMillis;
		@@ -185,11 +217,19 @@ final class NitzStateMachineTestSupport {
		return currentTimeMillis;
		}

		public void simulateTimeIncrement(int timeIncrementMillis) {
		if (timeIncrementMillis <= 0) {
		fail("elapsedRealtime clock must go forwards");
		}
		elapsedRealtime += timeIncrementMillis;
		currentTimeMillis += timeIncrementMillis;
		}

		}

		private NitzStateMachineTestSupport() {}

		static long createUtcTime(int year, int monthInYear, int day, int hourOfDay, int minute,
		public static long createUtcTime(int year, int monthInYear, int day, int hourOfDay, int minute,
		int second) {
		Calendar cal = new GregorianCalendar(zone("Etc/UTC"));
		cal.clear();
		@@ -197,14 +237,14 @@ final class NitzStateMachineTestSupport {
		return cal.getTimeInMillis();
		}

		static TimestampedValue<Long> createTimeSignalFromNitzSignal(
		public static TimestampedValue<Long> createTimeSignalFromNitzSignal(
		TimestampedValue<NitzData> nitzSignal) {
		return new TimestampedValue<>(
		nitzSignal.getReferenceTimeMillis(),
		nitzSignal.getValue().getCurrentTimeInMillis());
		}

		static TimeZone zone(String zoneId) {
		public static TimeZone zone(String zoneId) {
		TimeZone timeZone = TimeZone.getFrozenTimeZone(zoneId);
		if (timeZone.getID().equals(TimeZone.UNKNOWN_ZONE_ID)) {
		fail(zoneId + " is not a valid zone");