David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 1 | // Copyright (C) 2017 The Android Open Source Project |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
Joe Onorato | 9fc9edf | 2017-10-15 20:08:52 -0700 | [diff] [blame] | 15 | #include "packages/UidMap.h" |
David Chen | 2158296 | 2017-11-01 17:32:46 -0700 | [diff] [blame] | 16 | #include "StatsLogProcessor.h" |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 17 | #include "config/ConfigKey.h" |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 18 | #include "guardrail/StatsdStats.h" |
David Chen | 2158296 | 2017-11-01 17:32:46 -0700 | [diff] [blame] | 19 | #include "logd/LogEvent.h" |
| 20 | #include "statslog.h" |
Yangster-mac | 94e197c | 2018-01-02 16:03:03 -0800 | [diff] [blame] | 21 | #include "statsd_test_util.h" |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 22 | |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 23 | #include <android/util/ProtoOutputStream.h> |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 24 | #include <gtest/gtest.h> |
Joe Onorato | 9fc9edf | 2017-10-15 20:08:52 -0700 | [diff] [blame] | 25 | |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 26 | #include <stdio.h> |
| 27 | |
| 28 | using namespace android; |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 29 | |
| 30 | namespace android { |
| 31 | namespace os { |
| 32 | namespace statsd { |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 33 | |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 34 | using android::util::ProtoOutputStream; |
| 35 | |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 36 | #ifdef __ANDROID__ |
| 37 | const string kApp1 = "app1.sharing.1"; |
| 38 | const string kApp2 = "app2.sharing.1"; |
| 39 | |
David Chen | 2158296 | 2017-11-01 17:32:46 -0700 | [diff] [blame] | 40 | TEST(UidMapTest, TestIsolatedUID) { |
| 41 | sp<UidMap> m = new UidMap(); |
Yangster-mac | 932ecec | 2018-02-01 10:23:52 -0800 | [diff] [blame] | 42 | sp<AlarmMonitor> anomalyAlarmMonitor; |
| 43 | sp<AlarmMonitor> subscriberAlarmMonitor; |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 44 | // Construct the processor with a dummy sendBroadcast function that does nothing. |
Yangster-mac | 932ecec | 2018-02-01 10:23:52 -0800 | [diff] [blame] | 45 | StatsLogProcessor p(m, anomalyAlarmMonitor, subscriberAlarmMonitor, 0, |
| 46 | [](const ConfigKey& key) {}); |
David Chen | 2158296 | 2017-11-01 17:32:46 -0700 | [diff] [blame] | 47 | LogEvent addEvent(android::util::ISOLATED_UID_CHANGED, 1); |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 48 | addEvent.write(100); // parent UID |
| 49 | addEvent.write(101); // isolated UID |
| 50 | addEvent.write(1); // Indicates creation. |
David Chen | 2158296 | 2017-11-01 17:32:46 -0700 | [diff] [blame] | 51 | addEvent.init(); |
| 52 | |
Yangster-mac | d40053e | 2018-01-09 16:29:22 -0800 | [diff] [blame] | 53 | EXPECT_EQ(101, m->getHostUidOrSelf(101)); |
David Chen | 2158296 | 2017-11-01 17:32:46 -0700 | [diff] [blame] | 54 | |
Yangster-mac | d40053e | 2018-01-09 16:29:22 -0800 | [diff] [blame] | 55 | p.OnLogEvent(&addEvent); |
| 56 | EXPECT_EQ(100, m->getHostUidOrSelf(101)); |
David Chen | 2158296 | 2017-11-01 17:32:46 -0700 | [diff] [blame] | 57 | |
| 58 | LogEvent removeEvent(android::util::ISOLATED_UID_CHANGED, 1); |
Yao Chen | 8023540 | 2017-11-13 20:42:25 -0800 | [diff] [blame] | 59 | removeEvent.write(100); // parent UID |
| 60 | removeEvent.write(101); // isolated UID |
| 61 | removeEvent.write(0); // Indicates removal. |
David Chen | 2158296 | 2017-11-01 17:32:46 -0700 | [diff] [blame] | 62 | removeEvent.init(); |
Yangster-mac | d40053e | 2018-01-09 16:29:22 -0800 | [diff] [blame] | 63 | p.OnLogEvent(&removeEvent); |
| 64 | EXPECT_EQ(101, m->getHostUidOrSelf(101)); |
David Chen | 2158296 | 2017-11-01 17:32:46 -0700 | [diff] [blame] | 65 | } |
| 66 | |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 67 | TEST(UidMapTest, TestMatching) { |
| 68 | UidMap m; |
| 69 | vector<int32_t> uids; |
Dianne Hackborn | 3accca0 | 2013-09-20 09:32:11 -0700 | [diff] [blame] | 70 | vector<int64_t> versions; |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 71 | vector<String16> apps; |
| 72 | |
| 73 | uids.push_back(1000); |
| 74 | uids.push_back(1000); |
| 75 | apps.push_back(String16(kApp1.c_str())); |
| 76 | apps.push_back(String16(kApp2.c_str())); |
| 77 | versions.push_back(4); |
| 78 | versions.push_back(5); |
| 79 | m.updateMap(uids, versions, apps); |
| 80 | EXPECT_TRUE(m.hasApp(1000, kApp1)); |
| 81 | EXPECT_TRUE(m.hasApp(1000, kApp2)); |
| 82 | EXPECT_FALSE(m.hasApp(1000, "not.app")); |
Yangster | 9df9a7f | 2017-12-18 13:33:05 -0800 | [diff] [blame] | 83 | |
| 84 | std::set<string> name_set = m.getAppNamesFromUid(1000u, true /* returnNormalized */); |
| 85 | EXPECT_EQ(name_set.size(), 2u); |
| 86 | EXPECT_TRUE(name_set.find(kApp1) != name_set.end()); |
| 87 | EXPECT_TRUE(name_set.find(kApp2) != name_set.end()); |
| 88 | |
| 89 | name_set = m.getAppNamesFromUid(12345, true /* returnNormalized */); |
| 90 | EXPECT_TRUE(name_set.empty()); |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | TEST(UidMapTest, TestAddAndRemove) { |
| 94 | UidMap m; |
| 95 | vector<int32_t> uids; |
Dianne Hackborn | 3accca0 | 2013-09-20 09:32:11 -0700 | [diff] [blame] | 96 | vector<int64_t> versions; |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 97 | vector<String16> apps; |
| 98 | |
| 99 | uids.push_back(1000); |
| 100 | uids.push_back(1000); |
| 101 | apps.push_back(String16(kApp1.c_str())); |
| 102 | apps.push_back(String16(kApp2.c_str())); |
| 103 | versions.push_back(4); |
| 104 | versions.push_back(5); |
| 105 | m.updateMap(uids, versions, apps); |
| 106 | |
Yangster | 9df9a7f | 2017-12-18 13:33:05 -0800 | [diff] [blame] | 107 | std::set<string> name_set = m.getAppNamesFromUid(1000, true /* returnNormalized */); |
| 108 | EXPECT_EQ(name_set.size(), 2u); |
| 109 | EXPECT_TRUE(name_set.find(kApp1) != name_set.end()); |
| 110 | EXPECT_TRUE(name_set.find(kApp2) != name_set.end()); |
| 111 | |
| 112 | // Update the app1 version. |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 113 | m.updateApp(String16(kApp1.c_str()), 1000, 40); |
| 114 | EXPECT_EQ(40, m.getAppVersion(1000, kApp1)); |
| 115 | |
Yangster | 9df9a7f | 2017-12-18 13:33:05 -0800 | [diff] [blame] | 116 | name_set = m.getAppNamesFromUid(1000, true /* returnNormalized */); |
| 117 | EXPECT_EQ(name_set.size(), 2u); |
| 118 | EXPECT_TRUE(name_set.find(kApp1) != name_set.end()); |
| 119 | EXPECT_TRUE(name_set.find(kApp2) != name_set.end()); |
| 120 | |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 121 | m.removeApp(String16(kApp1.c_str()), 1000); |
| 122 | EXPECT_FALSE(m.hasApp(1000, kApp1)); |
| 123 | EXPECT_TRUE(m.hasApp(1000, kApp2)); |
Yangster | 9df9a7f | 2017-12-18 13:33:05 -0800 | [diff] [blame] | 124 | name_set = m.getAppNamesFromUid(1000, true /* returnNormalized */); |
| 125 | EXPECT_EQ(name_set.size(), 1u); |
| 126 | EXPECT_TRUE(name_set.find(kApp1) == name_set.end()); |
| 127 | EXPECT_TRUE(name_set.find(kApp2) != name_set.end()); |
| 128 | |
| 129 | // Remove app2. |
| 130 | m.removeApp(String16(kApp2.c_str()), 1000); |
| 131 | EXPECT_FALSE(m.hasApp(1000, kApp1)); |
| 132 | EXPECT_FALSE(m.hasApp(1000, kApp2)); |
| 133 | name_set = m.getAppNamesFromUid(1000, true /* returnNormalized */); |
| 134 | EXPECT_TRUE(name_set.empty()); |
| 135 | } |
| 136 | |
| 137 | TEST(UidMapTest, TestUpdateApp) { |
| 138 | UidMap m; |
| 139 | m.updateMap({1000, 1000}, {4, 5}, {String16(kApp1.c_str()), String16(kApp2.c_str())}); |
| 140 | std::set<string> name_set = m.getAppNamesFromUid(1000, true /* returnNormalized */); |
| 141 | EXPECT_EQ(name_set.size(), 2u); |
| 142 | EXPECT_TRUE(name_set.find(kApp1) != name_set.end()); |
| 143 | EXPECT_TRUE(name_set.find(kApp2) != name_set.end()); |
| 144 | |
| 145 | // Adds a new name for uid 1000. |
| 146 | m.updateApp(String16("NeW_aPP1_NAmE"), 1000, 40); |
| 147 | name_set = m.getAppNamesFromUid(1000, true /* returnNormalized */); |
| 148 | EXPECT_EQ(name_set.size(), 3u); |
| 149 | EXPECT_TRUE(name_set.find(kApp1) != name_set.end()); |
| 150 | EXPECT_TRUE(name_set.find(kApp2) != name_set.end()); |
| 151 | EXPECT_TRUE(name_set.find("NeW_aPP1_NAmE") == name_set.end()); |
| 152 | EXPECT_TRUE(name_set.find("new_app1_name") != name_set.end()); |
| 153 | |
| 154 | // This name is also reused by another uid 2000. |
| 155 | m.updateApp(String16("NeW_aPP1_NAmE"), 2000, 1); |
| 156 | name_set = m.getAppNamesFromUid(2000, true /* returnNormalized */); |
| 157 | EXPECT_EQ(name_set.size(), 1u); |
| 158 | EXPECT_TRUE(name_set.find("NeW_aPP1_NAmE") == name_set.end()); |
| 159 | EXPECT_TRUE(name_set.find("new_app1_name") != name_set.end()); |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 160 | } |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 161 | |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 162 | static void protoOutputStreamToUidMapping(ProtoOutputStream* proto, UidMapping* results) { |
| 163 | vector<uint8_t> bytes; |
| 164 | bytes.resize(proto->size()); |
| 165 | size_t pos = 0; |
| 166 | auto iter = proto->data(); |
| 167 | while (iter.readBuffer() != NULL) { |
| 168 | size_t toRead = iter.currentToRead(); |
| 169 | std::memcpy(&((bytes)[pos]), iter.readBuffer(), toRead); |
| 170 | pos += toRead; |
| 171 | iter.rp()->move(toRead); |
| 172 | } |
| 173 | results->ParseFromArray(bytes.data(), bytes.size()); |
| 174 | } |
| 175 | |
David Chen | 35045cb | 2018-03-23 22:21:47 -0700 | [diff] [blame] | 176 | // Test that uid map returns at least one snapshot even if we already obtained |
| 177 | // this snapshot from a previous call to getData. |
| 178 | TEST(UidMapTest, TestOutputIncludesAtLeastOneSnapshot) { |
| 179 | UidMap m; |
| 180 | // Initialize single config key. |
| 181 | ConfigKey config1(1, StringToId("config1")); |
| 182 | m.OnConfigUpdated(config1); |
| 183 | vector<int32_t> uids; |
| 184 | vector<int64_t> versions; |
| 185 | vector<String16> apps; |
| 186 | uids.push_back(1000); |
| 187 | apps.push_back(String16(kApp2.c_str())); |
| 188 | versions.push_back(5); |
| 189 | m.updateMap(1, uids, versions, apps); |
| 190 | |
| 191 | // Set the last timestamp for this config key to be newer. |
| 192 | m.mLastUpdatePerConfigKey[config1] = 2; |
| 193 | |
| 194 | ProtoOutputStream proto; |
| 195 | m.appendUidMap(3, config1, &proto); |
| 196 | |
| 197 | // Check there's still a uidmap attached this one. |
| 198 | UidMapping results; |
| 199 | protoOutputStreamToUidMapping(&proto, &results); |
| 200 | EXPECT_EQ(1, results.snapshots_size()); |
| 201 | } |
| 202 | |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 203 | TEST(UidMapTest, TestClearingOutput) { |
| 204 | UidMap m; |
| 205 | |
Yangster-mac | 94e197c | 2018-01-02 16:03:03 -0800 | [diff] [blame] | 206 | ConfigKey config1(1, StringToId("config1")); |
| 207 | ConfigKey config2(1, StringToId("config2")); |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 208 | |
| 209 | m.OnConfigUpdated(config1); |
| 210 | |
| 211 | vector<int32_t> uids; |
Dianne Hackborn | 3accca0 | 2013-09-20 09:32:11 -0700 | [diff] [blame] | 212 | vector<int64_t> versions; |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 213 | vector<String16> apps; |
| 214 | uids.push_back(1000); |
| 215 | uids.push_back(1000); |
| 216 | apps.push_back(String16(kApp1.c_str())); |
| 217 | apps.push_back(String16(kApp2.c_str())); |
| 218 | versions.push_back(4); |
| 219 | versions.push_back(5); |
| 220 | m.updateMap(1, uids, versions, apps); |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 221 | EXPECT_EQ(1U, m.mSnapshots.size()); |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 222 | |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 223 | ProtoOutputStream proto; |
| 224 | m.appendUidMap(2, config1, &proto); |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 225 | UidMapping results; |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 226 | protoOutputStreamToUidMapping(&proto, &results); |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 227 | EXPECT_EQ(1, results.snapshots_size()); |
| 228 | |
David Chen | 35045cb | 2018-03-23 22:21:47 -0700 | [diff] [blame] | 229 | // We have to keep at least one snapshot in memory at all times. |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 230 | EXPECT_EQ(1U, m.mSnapshots.size()); |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 231 | proto.clear(); |
| 232 | m.appendUidMap(2, config1, &proto); |
| 233 | protoOutputStreamToUidMapping(&proto, &results); |
David Chen | cfc311d | 2018-01-23 17:55:54 -0800 | [diff] [blame] | 234 | EXPECT_EQ(1, results.snapshots_size()); |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 235 | |
| 236 | // Now add another configuration. |
| 237 | m.OnConfigUpdated(config2); |
| 238 | m.updateApp(5, String16(kApp1.c_str()), 1000, 40); |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 239 | EXPECT_EQ(1U, m.mChanges.size()); |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 240 | proto.clear(); |
| 241 | m.appendUidMap(6, config1, &proto); |
| 242 | protoOutputStreamToUidMapping(&proto, &results); |
David Chen | cfc311d | 2018-01-23 17:55:54 -0800 | [diff] [blame] | 243 | EXPECT_EQ(1, results.snapshots_size()); |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 244 | EXPECT_EQ(1, results.changes_size()); |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 245 | EXPECT_EQ(1U, m.mChanges.size()); |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 246 | |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 247 | // Add another delta update. |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 248 | m.updateApp(7, String16(kApp2.c_str()), 1001, 41); |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 249 | EXPECT_EQ(2U, m.mChanges.size()); |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 250 | |
| 251 | // We still can't remove anything. |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 252 | proto.clear(); |
| 253 | m.appendUidMap(8, config1, &proto); |
| 254 | protoOutputStreamToUidMapping(&proto, &results); |
David Chen | cfc311d | 2018-01-23 17:55:54 -0800 | [diff] [blame] | 255 | EXPECT_EQ(1, results.snapshots_size()); |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 256 | EXPECT_EQ(1, results.changes_size()); |
| 257 | EXPECT_EQ(2U, m.mChanges.size()); |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 258 | |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 259 | proto.clear(); |
| 260 | m.appendUidMap(9, config2, &proto); |
| 261 | protoOutputStreamToUidMapping(&proto, &results); |
David Chen | cfc311d | 2018-01-23 17:55:54 -0800 | [diff] [blame] | 262 | EXPECT_EQ(1, results.snapshots_size()); |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 263 | EXPECT_EQ(2, results.changes_size()); |
| 264 | // At this point both should be cleared. |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 265 | EXPECT_EQ(1U, m.mSnapshots.size()); |
| 266 | EXPECT_EQ(0U, m.mChanges.size()); |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 267 | } |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 268 | |
| 269 | TEST(UidMapTest, TestMemoryComputed) { |
| 270 | UidMap m; |
| 271 | |
Yangster-mac | 94e197c | 2018-01-02 16:03:03 -0800 | [diff] [blame] | 272 | ConfigKey config1(1, StringToId("config1")); |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 273 | m.OnConfigUpdated(config1); |
| 274 | |
| 275 | size_t startBytes = m.mBytesUsed; |
| 276 | vector<int32_t> uids; |
Dianne Hackborn | 3accca0 | 2013-09-20 09:32:11 -0700 | [diff] [blame] | 277 | vector<int64_t> versions; |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 278 | vector<String16> apps; |
| 279 | uids.push_back(1000); |
| 280 | apps.push_back(String16(kApp1.c_str())); |
| 281 | versions.push_back(1); |
| 282 | m.updateMap(1, uids, versions, apps); |
| 283 | size_t snapshot_bytes = m.mBytesUsed; |
| 284 | EXPECT_TRUE(snapshot_bytes > startBytes); |
| 285 | |
| 286 | m.updateApp(3, String16(kApp1.c_str()), 1000, 40); |
| 287 | EXPECT_TRUE(m.mBytesUsed > snapshot_bytes); |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 288 | |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 289 | ProtoOutputStream proto; |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 290 | vector<uint8_t> bytes; |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 291 | m.appendUidMap(2, config1, &proto); |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 292 | size_t prevBytes = m.mBytesUsed; |
| 293 | |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 294 | m.appendUidMap(4, config1, &proto); |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 295 | EXPECT_TRUE(m.mBytesUsed < prevBytes); |
| 296 | } |
| 297 | |
| 298 | TEST(UidMapTest, TestMemoryGuardrail) { |
| 299 | UidMap m; |
| 300 | string buf; |
| 301 | |
Yangster-mac | 94e197c | 2018-01-02 16:03:03 -0800 | [diff] [blame] | 302 | ConfigKey config1(1, StringToId("config1")); |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 303 | m.OnConfigUpdated(config1); |
| 304 | |
| 305 | size_t startBytes = m.mBytesUsed; |
| 306 | vector<int32_t> uids; |
Dianne Hackborn | 3accca0 | 2013-09-20 09:32:11 -0700 | [diff] [blame] | 307 | vector<int64_t> versions; |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 308 | vector<String16> apps; |
| 309 | for (int i = 0; i < 100; i++) { |
| 310 | uids.push_back(1); |
| 311 | buf = "EXTREMELY_LONG_STRING_FOR_APP_TO_WASTE_MEMORY." + to_string(i); |
| 312 | apps.push_back(String16(buf.c_str())); |
| 313 | versions.push_back(1); |
| 314 | } |
| 315 | m.updateMap(1, uids, versions, apps); |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 316 | EXPECT_EQ(1U, m.mSnapshots.size()); |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 317 | |
| 318 | m.updateApp(3, String16("EXTREMELY_LONG_STRING_FOR_APP_TO_WASTE_MEMORY.0"), 1000, 2); |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 319 | EXPECT_EQ(1U, m.mSnapshots.size()); |
| 320 | EXPECT_EQ(1U, m.mChanges.size()); |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 321 | |
| 322 | // Now force deletion by limiting the memory to hold one delta change. |
| 323 | m.maxBytesOverride = 80; // Since the app string alone requires >45 characters. |
| 324 | m.updateApp(5, String16("EXTREMELY_LONG_STRING_FOR_APP_TO_WASTE_MEMORY.0"), 1000, 4); |
David Chen | f384b90 | 2018-03-14 18:36:45 -0700 | [diff] [blame] | 325 | EXPECT_EQ(0U, m.mSnapshots.size()); |
| 326 | EXPECT_EQ(1U, m.mChanges.size()); |
David Chen | c136f45 | 2017-11-27 11:52:26 -0800 | [diff] [blame] | 327 | } |
David Chen | de70169 | 2017-10-05 13:16:02 -0700 | [diff] [blame] | 328 | #else |
| 329 | GTEST_LOG_(INFO) << "This test does nothing.\n"; |
Joe Onorato | 9fc9edf | 2017-10-15 20:08:52 -0700 | [diff] [blame] | 330 | #endif |
David Chen | d689689 | 2017-10-25 11:49:03 -0700 | [diff] [blame] | 331 | |
| 332 | } // namespace statsd |
| 333 | } // namespace os |
yro | 4beccbe | 2018-03-15 19:42:05 -0700 | [diff] [blame] | 334 | } // namespace android |