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gerrit-public.fairphone.software / platform / frameworks / base / 87b1aac0f0c9c753ea6de3cbc6447fa832d171fb / . / core / tests / coretests / src / android / provider / SettingsTest.java
blob: 0c9c3c17c3e849977bae7a04f418d165c0154a1a [file] [log] [blame]
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000[diff] [blame^]1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.provider;
18
19import static com.google.android.collect.Sets.newHashSet;
20import static org.hamcrest.MatcherAssert.assertThat;
21import static org.hamcrest.Matchers.empty;
22import static org.hamcrest.Matchers.is;
23import static java.lang.reflect.Modifier.isFinal;
24import static java.lang.reflect.Modifier.isPublic;
25import static java.lang.reflect.Modifier.isStatic;
26
27import android.annotation.TargetApi;
28
29import android.support.test.runner.AndroidJUnit4;
30
31import java.lang.reflect.Field;
32import java.util.HashSet;
33import java.util.Set;
34
35import org.junit.Test;
36import org.junit.runner.RunWith;
37
38/** Unit test for Settings. */
39@TargetApi(26)
40@RunWith(AndroidJUnit4.class)
41public class SettingsTest {
42
43 /**
44 * The following blacklists contain settings that should *not* be backed up and restored to
45 * another device. As a general rule, anything that is not user configurable should be
46 * blacklisted (and conversely, things that *are* user configurable *should* be backed up)
47 */
48 private static final Set<String> BACKUP_BLACKLISTED_SYSTEM_SETTINGS =
49 newHashSet(
50 Settings.System.ADVANCED_SETTINGS, // candidate for backup?
51 Settings.System.ALARM_ALERT, // backup candidate?
52 Settings.System.ALARM_ALERT_CACHE, // internal cache
53 Settings.System.APPEND_FOR_LAST_AUDIBLE, // suffix deprecated since API 2
54 Settings.System.EGG_MODE, // I am the lolrus
55 Settings.System.END_BUTTON_BEHAVIOR, // bug?
56 Settings.System
57 .HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY, // candidate for backup?
58 Settings.System.LOCKSCREEN_DISABLED, // ?
59 Settings.System.MEDIA_BUTTON_RECEIVER, // candidate for backup?
60 Settings.System.MUTE_STREAMS_AFFECTED, // candidate for backup?
61 Settings.System.NOTIFICATION_LIGHT_PULSE, // candidate for backup?
62 Settings.System.NOTIFICATION_SOUND_CACHE, // internal cache
63 Settings.System.POINTER_LOCATION, // backup candidate?
64 Settings.System.RINGTONE_CACHE, // internal cache
65 Settings.System.SCREEN_BRIGHTNESS_FOR_VR, // bug?
66 Settings.System.SETUP_WIZARD_HAS_RUN, // Only used by SuW
67 Settings.System.SHOW_GTALK_SERVICE_STATUS, // candidate for backup?
68 Settings.System.SHOW_TOUCHES, // bug?
69 Settings.System.SIP_ADDRESS_ONLY, // value, not a setting
70 Settings.System.SIP_ALWAYS, // value, not a setting
71 Settings.System.SYSTEM_LOCALES, // bug?
72 Settings.System.USER_ROTATION, // backup candidate?
73 Settings.System.VIBRATE_IN_SILENT, // deprecated?
74 Settings.System.VIBRATE_ON, // candidate for backup?
75 Settings.System.VOLUME_ALARM, // deprecated since API 2?
76 Settings.System.VOLUME_BLUETOOTH_SCO, // deprecated since API 2?
77 Settings.System.VOLUME_MASTER, // candidate for backup?
78 Settings.System.VOLUME_MUSIC, // deprecated since API 2?
79 Settings.System.VOLUME_NOTIFICATION, // deprecated since API 2?
80 Settings.System.VOLUME_RING, // deprecated since API 2?
81 Settings.System.VOLUME_SYSTEM, // deprecated since API 2?
82 Settings.System.VOLUME_VOICE, // deprecated since API 2?
83 Settings.System.WHEN_TO_MAKE_WIFI_CALLS, // bug?
84 Settings.System.WINDOW_ORIENTATION_LISTENER_LOG // used for debugging only
85 );
86
87 private static final Set<String> BACKUP_BLACKLISTED_GLOBAL_SETTINGS =
88 newHashSet(
89 Settings.Global.ADB_ENABLED,
90 Settings.Global.ADD_USERS_WHEN_LOCKED,
91 Settings.Global.AIRPLANE_MODE_ON,
92 Settings.Global.AIRPLANE_MODE_RADIOS,
93 Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS,
94 Settings.Global.ALARM_MANAGER_CONSTANTS,
95 Settings.Global.ALLOW_USER_SWITCHING_WHEN_SYSTEM_USER_LOCKED,
96 Settings.Global.ALWAYS_FINISH_ACTIVITIES,
97 Settings.Global.ANIMATOR_DURATION_SCALE,
98 Settings.Global.APN_DB_UPDATE_CONTENT_URL,
99 Settings.Global.APN_DB_UPDATE_METADATA_URL,
100 Settings.Global.APP_IDLE_CONSTANTS,
101 Settings.Global.ASSISTED_GPS_ENABLED,
102 Settings.Global.AUDIO_SAFE_VOLUME_STATE,
103 Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD,
104 Settings.Global.BATTERY_DISCHARGE_THRESHOLD,
105 Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE,
106 Settings.Global.BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX,
107 Settings.Global.BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX,
108 Settings.Global.BLUETOOTH_DISABLED_PROFILES,
109 Settings.Global.BLUETOOTH_HEADSET_PRIORITY_PREFIX,
110 Settings.Global.BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX,
111 Settings.Global.BLUETOOTH_INTEROPERABILITY_LIST,
112 Settings.Global.BLUETOOTH_MAP_CLIENT_PRIORITY_PREFIX,
113 Settings.Global.BLUETOOTH_MAP_PRIORITY_PREFIX,
114 Settings.Global.BLUETOOTH_ON, // Candidate for backup?
115 Settings.Global.BLUETOOTH_PAN_PRIORITY_PREFIX,
116 Settings.Global.BLUETOOTH_PBAP_CLIENT_PRIORITY_PREFIX,
117 Settings.Global.BLUETOOTH_SAP_PRIORITY_PREFIX,
118 Settings.Global.BOOT_COUNT,
119 Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
120 Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
121 Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
122 Settings.Global.CAPTIVE_PORTAL_MODE,
123 Settings.Global.CAPTIVE_PORTAL_SERVER,
124 Settings.Global.CAPTIVE_PORTAL_USE_HTTPS,
125 Settings.Global.CAPTIVE_PORTAL_USER_AGENT,
126 Settings.Global.CAR_DOCK_SOUND,
127 Settings.Global.CARRIER_APP_WHITELIST,
128 Settings.Global.CAR_UNDOCK_SOUND,
129 Settings.Global.CDMA_CELL_BROADCAST_SMS,
130 Settings.Global.CDMA_ROAMING_MODE,
131 Settings.Global.CDMA_SUBSCRIPTION_MODE,
132 Settings.Global.CELL_ON,
133 Settings.Global.CERT_PIN_UPDATE_CONTENT_URL,
134 Settings.Global.CERT_PIN_UPDATE_METADATA_URL,
135 Settings.Global.COMPATIBILITY_MODE,
136 Settings.Global.CONNECTIVITY_CHANGE_DELAY,
137 Settings.Global.CONNECTIVITY_METRICS_BUFFER_SIZE,
138 Settings.Global.CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS,
139 Settings.Global.CONTACT_METADATA_SYNC_ENABLED,
140 Settings.Global.CONTACTS_DATABASE_WAL_ENABLED,
141 Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE,
142 Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI,
143 Settings.Global.DATABASE_DOWNGRADE_REASON,
144 Settings.Global.DATA_ROAMING,
145 Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS,
146 Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS,
147 Settings.Global.DEBUG_APP,
148 Settings.Global.DEBUG_VIEW_ATTRIBUTES,
149 Settings.Global.DEFAULT_DNS_SERVER,
150 Settings.Global.DEFAULT_INSTALL_LOCATION,
151 Settings.Global.DESK_DOCK_SOUND,
152 Settings.Global.DESK_UNDOCK_SOUND,
153 Settings.Global.DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT,
154 Settings.Global.DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES,
155 Settings.Global.DEVELOPMENT_FORCE_RTL,
156 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED,
157 Settings.Global.DEVICE_DEMO_MODE,
158 Settings.Global.DEVICE_IDLE_CONSTANTS,
159 Settings.Global.DEVICE_IDLE_CONSTANTS_WATCH,
160 Settings.Global.DEVICE_NAME,
161 Settings.Global.DEVICE_PROVISIONED,
162 Settings.Global.DEVICE_PROVISIONING_MOBILE_DATA_ENABLED,
163 Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD,
164 Settings.Global.DISPLAY_SCALING_FORCE,
165 Settings.Global.DISPLAY_SIZE_FORCED,
166 Settings.Global.DNS_RESOLVER_MAX_SAMPLES,
167 Settings.Global.DNS_RESOLVER_MIN_SAMPLES,
168 Settings.Global.DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS,
169 Settings.Global.DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT,
170 Settings.Global.DOCK_SOUNDS_ENABLED_WHEN_ACCESSIBILITY,
171 Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE,
172 Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE,
173 Settings.Global.DROPBOX_AGE_SECONDS,
174 Settings.Global.DROPBOX_MAX_FILES,
175 Settings.Global.DROPBOX_QUOTA_KB,
176 Settings.Global.DROPBOX_QUOTA_PERCENT,
177 Settings.Global.DROPBOX_RESERVE_PERCENT,
178 Settings.Global.DROPBOX_TAG_PREFIX,
179 Settings.Global.EMERGENCY_AFFORDANCE_NEEDED,
180 Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
181 Settings.Global.ENABLE_CELLULAR_ON_BOOT,
182 Settings.Global.ENABLE_EPHEMERAL_FEATURE,
183 Settings.Global.ENHANCED_4G_MODE_ENABLED,
184 Settings.Global.EPHEMERAL_COOKIE_MAX_SIZE_BYTES,
185 Settings.Global.ERROR_LOGCAT_PREFIX,
186 Settings.Global.FANCY_IME_ANIMATIONS,
187 Settings.Global.FORCE_ALLOW_ON_EXTERNAL,
188 Settings.Global.FSTRIM_MANDATORY_INTERVAL,
189 Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST,
190 Settings.Global.GLOBAL_HTTP_PROXY_HOST,
191 Settings.Global.GLOBAL_HTTP_PROXY_PAC,
192 Settings.Global.GLOBAL_HTTP_PROXY_PORT,
193 Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS,
194 Settings.Global.HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED,
195 Settings.Global.HDMI_CONTROL_AUTO_WAKEUP_ENABLED,
196 Settings.Global.HDMI_CONTROL_ENABLED,
197 Settings.Global.HDMI_SYSTEM_AUDIO_ENABLED,
198 Settings.Global.HEADS_UP_NOTIFICATIONS_ENABLED,
199 Settings.Global.HTTP_PROXY,
200 Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY,
201 Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY,
202 Settings.Global.INTENT_FIREWALL_UPDATE_CONTENT_URL,
203 Settings.Global.INTENT_FIREWALL_UPDATE_METADATA_URL,
204 Settings.Global.JOB_SCHEDULER_CONSTANTS,
205 Settings.Global.LOCATION_BACKGROUND_THROTTLE_INTERVAL_MS,
206 Settings.Global.LOCK_SOUND,
207 Settings.Global.LOW_BATTERY_SOUND,
208 Settings.Global.LOW_BATTERY_SOUND_TIMEOUT,
209 Settings.Global.LOW_POWER_MODE,
210 Settings.Global.LTE_SERVICE_FORCED,
211 Settings.Global.MAX_NOTIFICATION_ENQUEUE_RATE,
212 Settings.Global.MDC_INITIAL_MAX_RETRY,
213 Settings.Global.MHL_INPUT_SWITCHING_ENABLED,
214 Settings.Global.MHL_POWER_CHARGE_ENABLED,
215 Settings.Global.MOBILE_DATA, // Candidate for backup?
216 Settings.Global.MOBILE_DATA_ALWAYS_ON,
217 Settings.Global.MODE_RINGER,
218 Settings.Global.MULTI_SIM_DATA_CALL_SUBSCRIPTION,
219 Settings.Global.MULTI_SIM_SMS_PROMPT,
220 Settings.Global.MULTI_SIM_SMS_SUBSCRIPTION,
221 Settings.Global.MULTI_SIM_VOICE_CALL_SUBSCRIPTION,
222 Settings.Global.MULTI_SIM_VOICE_PROMPT,
223 Settings.Global.NETSTATS_DEV_BUCKET_DURATION,
224 Settings.Global.NETSTATS_DEV_DELETE_AGE,
225 Settings.Global.NETSTATS_DEV_PERSIST_BYTES,
226 Settings.Global.NETSTATS_DEV_ROTATE_AGE,
227 Settings.Global.NETSTATS_ENABLED,
228 Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES,
229 Settings.Global.NETSTATS_POLL_INTERVAL,
230 Settings.Global.NETSTATS_SAMPLE_ENABLED,
231 Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE,
232 Settings.Global.NETSTATS_UID_BUCKET_DURATION,
233 Settings.Global.NETSTATS_UID_DELETE_AGE,
234 Settings.Global.NETSTATS_UID_PERSIST_BYTES,
235 Settings.Global.NETSTATS_UID_ROTATE_AGE,
236 Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION,
237 Settings.Global.NETSTATS_UID_TAG_DELETE_AGE,
238 Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES,
239 Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE,
240 Settings.Global.NETWORK_AVOID_BAD_WIFI,
241 Settings.Global.NETWORK_PREFERENCE,
242 Settings.Global.NETWORK_RECOMMENDATION_REQUEST_TIMEOUT_MS,
243 Settings.Global.NETWORK_SCORER_APP,
244 Settings.Global.NETWORK_SCORING_PROVISIONED,
245 Settings.Global.NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT,
246 Settings.Global.NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS,
247 Settings.Global.NEW_CONTACT_AGGREGATOR,
248 Settings.Global.NITZ_UPDATE_DIFF,
249 Settings.Global.NITZ_UPDATE_SPACING,
250 Settings.Global.NSD_ON,
251 Settings.Global.NTP_SERVER,
252 Settings.Global.NTP_TIMEOUT,
253 Settings.Global.OTA_DISABLE_AUTOMATIC_UPDATE,
254 Settings.Global.OVERLAY_DISPLAY_DEVICES,
255 Settings.Global.PAC_CHANGE_DELAY,
256 Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
257 Settings.Global.PACKAGE_VERIFIER_ENABLE,
258 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB,
259 Settings.Global.PACKAGE_VERIFIER_SETTING_VISIBLE,
260 Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
261 Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT,
262 Settings.Global.PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS,
263 Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS,
264 Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT,
265 Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS,
266 Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT,
267 Settings.Global.POLICY_CONTROL,
268 Settings.Global.PREFERRED_NETWORK_MODE,
269 Settings.Global.PROVISIONING_APN_ALARM_DELAY_IN_MS,
270 Settings.Global.RADIO_BLUETOOTH,
271 Settings.Global.RADIO_CELL,
272 Settings.Global.RADIO_NFC,
273 Settings.Global.RADIO_WIFI,
274 Settings.Global.RADIO_WIMAX,
275 Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT,
276 Settings.Global.REQUIRE_PASSWORD_TO_DECRYPT,
277 Settings.Global.RETAIL_DEMO_MODE_CONSTANTS,
278 Settings.Global.SAFE_BOOT_DISALLOWED,
279 Settings.Global.SAMPLING_PROFILER_MS,
280 Settings.Global.SELINUX_STATUS,
281 Settings.Global.SELINUX_UPDATE_CONTENT_URL,
282 Settings.Global.SELINUX_UPDATE_METADATA_URL,
283 Settings.Global.SEND_ACTION_APP_ERROR,
284 Settings.Global.SET_GLOBAL_HTTP_PROXY,
285 Settings.Global.SET_INSTALL_LOCATION,
286 Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL,
287 Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST,
288 Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL,
289 Settings.Global.SHORTCUT_MANAGER_CONSTANTS,
290 Settings.Global.SHOW_TEMPERATURE_WARNING,
291 Settings.Global.SMS_OUTGOING_CHECK_INTERVAL_MS,
292 Settings.Global.SMS_OUTGOING_CHECK_MAX_COUNT,
293 Settings.Global.SMS_SHORT_CODE_CONFIRMATION,
294 Settings.Global.SMS_SHORT_CODE_RULE,
295 Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL,
296 Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL,
297 Settings.Global.STORAGE_BENCHMARK_INTERVAL,
298 Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS,
299 Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL,
300 Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES,
301 Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES,
302 Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE,
303 Settings.Global.TCP_DEFAULT_INIT_RWND,
304 Settings.Global.TETHER_DUN_APN,
305 Settings.Global.TETHER_DUN_REQUIRED,
306 Settings.Global.TETHER_SUPPORTED,
307 Settings.Global.THEATER_MODE_ON,
308 Settings.Global.TRANSITION_ANIMATION_SCALE,
309 Settings.Global.TRUSTED_SOUND,
310 Settings.Global.TZINFO_UPDATE_CONTENT_URL,
311 Settings.Global.TZINFO_UPDATE_METADATA_URL,
312 Settings.Global.UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS,
313 Settings.Global.UNLOCK_SOUND,
314 Settings.Global.USE_GOOGLE_MAIL,
315 Settings.Global.VT_IMS_ENABLED,
316 Settings.Global.WAIT_FOR_DEBUGGER,
317 Settings.Global.WARNING_TEMPERATURE,
318 Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY,
319 Settings.Global.WEBVIEW_FALLBACK_LOGIC_ENABLED,
320 Settings.Global.WEBVIEW_MULTIPROCESS,
321 Settings.Global.WEBVIEW_PROVIDER,
322 Settings.Global.WFC_IMS_ENABLED,
323 Settings.Global.WFC_IMS_MODE,
324 Settings.Global.WFC_IMS_ROAMING_ENABLED,
325 Settings.Global.WFC_IMS_ROAMING_MODE,
326 Settings.Global.WIFI_BOUNCE_DELAY_OVERRIDE_MS,
327 Settings.Global.WIFI_COUNTRY_CODE,
328 Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN,
329 Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON,
330 Settings.Global.WIFI_DISPLAY_ON,
331 Settings.Global.WIFI_DISPLAY_WPS_CONFIG,
332 Settings.Global.WIFI_ENHANCED_AUTO_JOIN,
333 Settings.Global.WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS,
334 Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS,
335 Settings.Global.WIFI_FREQUENCY_BAND,
336 Settings.Global.WIFI_IDLE_MS,
337 Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT,
338 Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS,
339 Settings.Global.WIFI_NETWORK_SHOW_RSSI,
340 Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
341 Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT,
342 Settings.Global.WIFI_ON,
343 Settings.Global.WIFI_P2P_DEVICE_NAME,
344 Settings.Global.WIFI_REENABLE_DELAY_MS,
345 Settings.Global.WIFI_SAVED_STATE,
346 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE,
347 Settings.Global.WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS,
348 Settings.Global.WIFI_SLEEP_POLICY,
349 Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS,
350 Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED,
351 Settings.Global.WIFI_VERBOSE_LOGGING_ENABLED,
352 Settings.Global.WIFI_WATCHDOG_ON,
353 Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON,
354 Settings.Global.WINDOW_ANIMATION_SCALE,
355 Settings.Global.WIRELESS_CHARGING_STARTED_SOUND,
356 Settings.Global.WTF_IS_FATAL,
357 Settings.Global.ZEN_MODE,
358 Settings.Global.ZEN_MODE_CONFIG_ETAG,
359 Settings.Global.ZEN_MODE_RINGER_LEVEL);
360
361 private static final Set<String> BACKUP_BLACKLISTED_SECURE_SETTINGS =
362 newHashSet(
363 Settings.Secure.ACCESSIBILITY_SCREEN_READER_URL,
364 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE,
365 Settings.Secure.ALLOWED_GEOLOCATION_ORIGINS,
366 Settings.Secure.ALWAYS_ON_VPN_APP,
367 Settings.Secure.ALWAYS_ON_VPN_LOCKDOWN,
368 Settings.Secure.ANDROID_ID,
369 Settings.Secure.ANR_SHOW_BACKGROUND,
370 Settings.Secure.ASSISTANT,
371 Settings.Secure.ASSIST_DISCLOSURE_ENABLED,
372 Settings.Secure.ASSIST_SCREENSHOT_ENABLED,
373 Settings.Secure.ASSIST_STRUCTURE_ENABLED,
374 Settings.Secure.AUTO_FILL_SERVICE,
375 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_BYTES_CLEARED,
376 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_DAYS_TO_RETAIN,
377 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_DOWNLOADS_DAYS_TO_RETAIN,
378 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED,
379 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_LAST_RUN,
380 Settings.Secure.BACKUP_AUTO_RESTORE,
381 Settings.Secure.BACKUP_ENABLED,
382 Settings.Secure.BACKUP_PROVISIONED,
383 Settings.Secure.BACKUP_TRANSPORT,
384 Settings.Secure.BLUETOOTH_HCI_LOG,
385 Settings.Secure.BRIGHTNESS_USE_TWILIGHT, // Candidate for backup?
386 Settings.Secure.CARRIER_APPS_HANDLED,
387 Settings.Secure.COMPLETED_CATEGORY_PREFIX,
388 Settings.Secure.CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS,
389 Settings.Secure.DEFAULT_INPUT_METHOD,
390 Settings.Secure.DEMO_USER_SETUP_COMPLETE,
391 Settings.Secure.DEVICE_PAIRED,
392 Settings.Secure.DIALER_DEFAULT_APPLICATION,
393 Settings.Secure.DISABLED_PRINT_SERVICES,
394 Settings.Secure.DISABLED_SYSTEM_INPUT_METHODS,
395 Settings.Secure.DISPLAY_DENSITY_FORCED,
396 Settings.Secure.DOWNLOADS_BACKUP_ALLOW_METERED, // Candidate?
397 Settings.Secure.DOWNLOADS_BACKUP_CHARGING_ONLY, // Candidate?
398 Settings.Secure.DOWNLOADS_BACKUP_ENABLED, // Candidate?
399 Settings.Secure.DOZE_ALWAYS_ON,
400 Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION,
401 Settings.Secure.ENABLED_NOTIFICATION_ASSISTANT,
402 Settings.Secure.ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES,
403 Settings.Secure.ENABLED_PRINT_SERVICES,
404 Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS,
405 Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR,
406 Settings.Secure.INPUT_METHOD_SELECTOR_VISIBILITY,
407 Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY,
408 Settings.Secure.INSTALL_NON_MARKET_APPS,
409 Settings.Secure.LAST_SETUP_SHOWN,
410 Settings.Secure.LOCATION_MODE,
411 Settings.Secure.LOCATION_PREVIOUS_MODE,
412 Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, // Candidate?
413 Settings.Secure.LOCK_SCREEN_ALLOW_REMOTE_INPUT, // Candidate?
414 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT,
415 Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS, // Candidate?
416 Settings.Secure.LOCK_TO_APP_EXIT_LOCKED,
417 Settings.Secure.MANAGED_PROFILE_CONTACT_REMOTE_SEARCH,
418 Settings.Secure.MULTI_PRESS_TIMEOUT,
419 Settings.Secure.NFC_PAYMENT_FOREGROUND,
420 Settings.Secure.PACKAGE_VERIFIER_STATE,
421 Settings.Secure.PACKAGE_VERIFIER_USER_CONSENT,
422 Settings.Secure.PARENTAL_CONTROL_LAST_UPDATE,
423 Settings.Secure.PAYMENT_SERVICE_SEARCH_URI,
424 Settings.Secure.PRINT_SERVICE_SEARCH_URI,
425 Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK, // Candidate?
426 Settings.Secure.SCREENSAVER_ACTIVATE_ON_SLEEP, // Candidate?
427 Settings.Secure.SCREENSAVER_COMPONENTS,
428 Settings.Secure.SCREENSAVER_DEFAULT_COMPONENT, // Candidate?
429 Settings.Secure.SCREENSAVER_ENABLED, // Candidate?
430 Settings.Secure.SEARCH_GLOBAL_SEARCH_ACTIVITY,
431 Settings.Secure.SEARCH_MAX_RESULTS_PER_SOURCE,
432 Settings.Secure.SEARCH_MAX_RESULTS_TO_DISPLAY,
433 Settings.Secure.SEARCH_MAX_SHORTCUTS_RETURNED,
434 Settings.Secure.SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS,
435 Settings.Secure.SEARCH_MAX_STAT_AGE_MILLIS,
436 Settings.Secure.SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING,
437 Settings.Secure.SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING,
438 Settings.Secure.SEARCH_NUM_PROMOTED_SOURCES,
439 Settings.Secure.SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT,
440 Settings.Secure.SEARCH_PREFILL_MILLIS,
441 Settings.Secure.SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS,
442 Settings.Secure.SEARCH_QUERY_THREAD_CORE_POOL_SIZE,
443 Settings.Secure.SEARCH_QUERY_THREAD_MAX_POOL_SIZE,
444 Settings.Secure.SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE,
445 Settings.Secure.SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE,
446 Settings.Secure.SEARCH_SOURCE_TIMEOUT_MILLIS,
447 Settings.Secure.SEARCH_THREAD_KEEPALIVE_SECONDS,
448 Settings.Secure.SEARCH_WEB_RESULTS_OVERRIDE_LIMIT,
449 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE,
450 Settings.Secure.SETTINGS_CLASSNAME,
451 Settings.Secure.SHOW_NOTE_ABOUT_NOTIFICATION_HIDING, // candidate?
452 Settings.Secure.SKIP_FIRST_USE_HINTS, // candidate?
453 Settings.Secure.SMS_DEFAULT_APPLICATION,
454 Settings.Secure.TRUST_AGENTS_INITIALIZED,
455 Settings.Secure.TV_INPUT_CUSTOM_LABELS,
456 Settings.Secure.TV_INPUT_HIDDEN_INPUTS,
457 Settings.Secure.UI_NIGHT_MODE, // candidate?
458 Settings.Secure.UNSAFE_VOLUME_MUSIC_ACTIVE_MS,
459 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED,
460 Settings.Secure.USER_SETUP_COMPLETE,
461 Settings.Secure.VOICE_INTERACTION_SERVICE,
462 Settings.Secure.VOICE_RECOGNITION_SERVICE,
463 Settings.Secure.VR_DISPLAY_MODE, // Candidate?
464 Settings.Secure.WEB_ACTION_ENABLED);
465
466 @Test
467 public void systemSettingsBackedUpOrBlacklisted() {
468 checkSettingsBackedUpOrBlacklisted(
469 getCandidateSettings(Settings.System.class),
470 newHashSet(Settings.System.SETTINGS_TO_BACKUP),
471 BACKUP_BLACKLISTED_SYSTEM_SETTINGS);
472 }
473
474 @Test
475 public void globalSettingsBackedUpOrBlacklisted() {
476 checkSettingsBackedUpOrBlacklisted(
477 getCandidateSettings(Settings.Global.class),
478 newHashSet(Settings.Global.SETTINGS_TO_BACKUP),
479 BACKUP_BLACKLISTED_GLOBAL_SETTINGS);
480 }
481
482 @Test
483 public void secureSettingsBackedUpOrBlacklisted() {
484 checkSettingsBackedUpOrBlacklisted(
485 getCandidateSettings(Settings.Secure.class),
486 newHashSet(Settings.Secure.SETTINGS_TO_BACKUP),
487 BACKUP_BLACKLISTED_SECURE_SETTINGS);
488 }
489
490 private static void checkSettingsBackedUpOrBlacklisted(
491 Set<String> settings, Set<String> settingsToBackup, Set<String> blacklist) {
492 Set<String> settingsNotBackedUp = difference(settings, settingsToBackup);
493 Set<String> settingsNotBackedUpOrBlacklisted = difference(settingsNotBackedUp, blacklist);
494 assertThat(
495 "Settings not backed up or blacklisted",
496 settingsNotBackedUpOrBlacklisted,
497 is(empty()));
498
499 assertThat(
500 "blacklisted settings backed up",
501 intersect(settingsToBackup, blacklist),
502 is(empty()));
503 }
504
505 private static Set<String> getCandidateSettings(Class<? extends Settings.NameValueTable> clazz) {
506 HashSet<String> result = new HashSet<String>();
507 for (Field field : clazz.getDeclaredFields()) {
508 if (looksLikeValidSetting(field)) {
509 try {
510 result.add((String) field.get(null));
511 } catch (IllegalAccessException e) {
512 // Impossible for public fields
513 throw new RuntimeException(e);
514 }
515 }
516 }
517 return result;
518 }
519
520 private static boolean looksLikeValidSetting(Field field) {
521 int modifiers = field.getModifiers();
522 return isPublic(modifiers)
523 && isStatic(modifiers)
524 && isFinal(modifiers)
525 && field.getType() == String.class
526 && field.getAnnotation(Deprecated.class) == null;
527 }
528
529 private static <T> Set<T> difference(Set<T> s1, Set<T> s2) {
530 HashSet<T> result = new HashSet<T>(s1);
531 result.removeAll(s2);
532 return result;
533 }
534
535 private static <T> Set<T> intersect(Set<T> s1, Set<T> s2) {
536 HashSet<T> result = new HashSet<T>(s1);
537 result.retainAll(s2);
538 return result;
539 }
540
541}