tommycli@chromium.org | 623e16c | 2013-07-31 04:26:40 +0900 | [diff] [blame] | 1 | // Copyright 2013 The Chromium Authors. All rights reserved. |
akalin@chromium.org | 4fb2deb | 2012-12-28 04:58:00 +0900 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
tommycli@chromium.org | 623e16c | 2013-07-31 04:26:40 +0900 | [diff] [blame] | 5 | #include "base/basictypes.h" |
| 6 | #include "base/bind.h" |
| 7 | #include "base/bind_helpers.h" |
| 8 | #include "base/location.h" |
| 9 | #include "base/logging.h" |
dewittj@chromium.org | fadd934 | 2013-07-27 02:10:02 +0900 | [diff] [blame] | 10 | #include "base/memory/ref_counted.h" |
tommycli@chromium.org | 623e16c | 2013-07-31 04:26:40 +0900 | [diff] [blame] | 11 | #include "base/memory/scoped_ptr.h" |
| 12 | #include "base/message_loop/message_loop.h" |
| 13 | #include "base/sequence_checker.h" |
| 14 | #include "base/test/sequenced_worker_pool_owner.h" |
| 15 | #include "base/threading/thread.h" |
dewittj@chromium.org | fadd934 | 2013-07-27 02:10:02 +0900 | [diff] [blame] | 16 | #include "testing/gtest/include/gtest/gtest.h" |
tommycli@chromium.org | 755085a | 2013-07-26 23:23:56 +0900 | [diff] [blame] | 17 | |
tommycli@chromium.org | 623e16c | 2013-07-31 04:26:40 +0900 | [diff] [blame] | 18 | // Duplicated from base/sequence_checker.h so that we can be good citizens |
| 19 | // there and undef the macro. |
| 20 | #if (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)) |
| 21 | #define ENABLE_SEQUENCE_CHECKER 1 |
| 22 | #else |
| 23 | #define ENABLE_SEQUENCE_CHECKER 0 |
| 24 | #endif |
| 25 | |
akalin@chromium.org | 4fb2deb | 2012-12-28 04:58:00 +0900 | [diff] [blame] | 26 | namespace base { |
| 27 | |
| 28 | namespace { |
| 29 | |
tommycli@chromium.org | 623e16c | 2013-07-31 04:26:40 +0900 | [diff] [blame] | 30 | const size_t kNumWorkerThreads = 3; |
| 31 | |
| 32 | // Simple class to exercise the basics of SequenceChecker. |
| 33 | // DoStuff should verify that it's called on a valid sequenced thread. |
| 34 | // SequenceCheckedObject can be destroyed on any thread (like WeakPtr). |
| 35 | class SequenceCheckedObject { |
| 36 | public: |
| 37 | SequenceCheckedObject() {} |
| 38 | ~SequenceCheckedObject() {} |
| 39 | |
| 40 | // Verifies that it was called on the same thread as the constructor. |
| 41 | void DoStuff() { |
| 42 | DCHECK(sequence_checker_.CalledOnValidSequencedThread()); |
| 43 | } |
| 44 | |
| 45 | void DetachFromSequence() { |
| 46 | sequence_checker_.DetachFromSequence(); |
| 47 | } |
| 48 | |
| 49 | private: |
| 50 | SequenceChecker sequence_checker_; |
| 51 | |
| 52 | DISALLOW_COPY_AND_ASSIGN(SequenceCheckedObject); |
| 53 | }; |
| 54 | |
| 55 | class SequenceCheckerTest : public testing::Test { |
| 56 | public: |
| 57 | SequenceCheckerTest() : other_thread_("sequence_checker_test_other_thread") {} |
| 58 | |
| 59 | virtual ~SequenceCheckerTest() {} |
| 60 | |
| 61 | virtual void SetUp() OVERRIDE { |
| 62 | other_thread_.Start(); |
| 63 | ResetPool(); |
| 64 | } |
| 65 | |
| 66 | virtual void TearDown() OVERRIDE { |
| 67 | other_thread_.Stop(); |
| 68 | pool()->Shutdown(); |
| 69 | } |
| 70 | |
| 71 | protected: |
| 72 | base::Thread* other_thread() { return &other_thread_; } |
| 73 | |
| 74 | const scoped_refptr<SequencedWorkerPool>& pool() { |
| 75 | return pool_owner_->pool(); |
| 76 | } |
| 77 | |
| 78 | void PostDoStuffToWorkerPool(SequenceCheckedObject* sequence_checked_object, |
| 79 | const std::string& token_name) { |
| 80 | pool()->PostNamedSequencedWorkerTask( |
| 81 | token_name, |
| 82 | FROM_HERE, |
| 83 | base::Bind(&SequenceCheckedObject::DoStuff, |
| 84 | base::Unretained(sequence_checked_object))); |
| 85 | } |
| 86 | |
| 87 | void PostDoStuffToOtherThread( |
| 88 | SequenceCheckedObject* sequence_checked_object) { |
| 89 | other_thread()->message_loop()->PostTask( |
| 90 | FROM_HERE, |
| 91 | base::Bind(&SequenceCheckedObject::DoStuff, |
| 92 | base::Unretained(sequence_checked_object))); |
| 93 | } |
| 94 | |
| 95 | void PostDeleteToOtherThread( |
| 96 | scoped_ptr<SequenceCheckedObject> sequence_checked_object) { |
| 97 | other_thread()->message_loop()->DeleteSoon( |
| 98 | FROM_HERE, |
| 99 | sequence_checked_object.release()); |
| 100 | } |
| 101 | |
| 102 | // Destroys the SequencedWorkerPool instance, blocking until it is fully shut |
| 103 | // down, and creates a new instance. |
| 104 | void ResetPool() { |
| 105 | pool_owner_.reset(new SequencedWorkerPoolOwner(kNumWorkerThreads, "test")); |
| 106 | } |
| 107 | |
| 108 | void MethodOnDifferentThreadDeathTest(); |
| 109 | void DetachThenCallFromDifferentThreadDeathTest(); |
| 110 | void DifferentSequenceTokensDeathTest(); |
| 111 | void WorkerPoolAndSimpleThreadDeathTest(); |
| 112 | void TwoDifferentWorkerPoolsDeathTest(); |
| 113 | |
| 114 | private: |
| 115 | MessageLoop message_loop_; // Needed by SequencedWorkerPool to function. |
| 116 | base::Thread other_thread_; |
| 117 | scoped_ptr<SequencedWorkerPoolOwner> pool_owner_; |
| 118 | }; |
| 119 | |
| 120 | TEST_F(SequenceCheckerTest, CallsAllowedOnSameThread) { |
| 121 | scoped_ptr<SequenceCheckedObject> sequence_checked_object( |
| 122 | new SequenceCheckedObject); |
| 123 | |
| 124 | // Verify that DoStuff doesn't assert. |
| 125 | sequence_checked_object->DoStuff(); |
| 126 | |
| 127 | // Verify that the destructor doesn't assert. |
| 128 | sequence_checked_object.reset(); |
akalin@chromium.org | 4fb2deb | 2012-12-28 04:58:00 +0900 | [diff] [blame] | 129 | } |
| 130 | |
tommycli@chromium.org | 623e16c | 2013-07-31 04:26:40 +0900 | [diff] [blame] | 131 | TEST_F(SequenceCheckerTest, DestructorAllowedOnDifferentThread) { |
| 132 | scoped_ptr<SequenceCheckedObject> sequence_checked_object( |
| 133 | new SequenceCheckedObject); |
| 134 | |
| 135 | // Verify the destructor doesn't assert when called on a different thread. |
| 136 | PostDeleteToOtherThread(sequence_checked_object.Pass()); |
| 137 | other_thread()->Stop(); |
| 138 | } |
| 139 | |
| 140 | TEST_F(SequenceCheckerTest, DetachFromSequence) { |
| 141 | scoped_ptr<SequenceCheckedObject> sequence_checked_object( |
| 142 | new SequenceCheckedObject); |
| 143 | |
| 144 | // Verify that DoStuff doesn't assert when called on a different thread after |
| 145 | // a call to DetachFromSequence. |
| 146 | sequence_checked_object->DetachFromSequence(); |
| 147 | |
| 148 | PostDoStuffToOtherThread(sequence_checked_object.get()); |
| 149 | other_thread()->Stop(); |
| 150 | } |
| 151 | |
| 152 | TEST_F(SequenceCheckerTest, SameSequenceTokenValid) { |
| 153 | scoped_ptr<SequenceCheckedObject> sequence_checked_object( |
| 154 | new SequenceCheckedObject); |
| 155 | |
| 156 | sequence_checked_object->DetachFromSequence(); |
| 157 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 158 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 159 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 160 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 161 | pool()->FlushForTesting(); |
| 162 | |
| 163 | PostDeleteToOtherThread(sequence_checked_object.Pass()); |
| 164 | other_thread()->Stop(); |
| 165 | } |
| 166 | |
| 167 | TEST_F(SequenceCheckerTest, DetachSequenceTokenValid) { |
| 168 | scoped_ptr<SequenceCheckedObject> sequence_checked_object( |
| 169 | new SequenceCheckedObject); |
| 170 | |
| 171 | sequence_checked_object->DetachFromSequence(); |
| 172 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 173 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 174 | pool()->FlushForTesting(); |
| 175 | |
| 176 | sequence_checked_object->DetachFromSequence(); |
| 177 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "B"); |
| 178 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "B"); |
| 179 | pool()->FlushForTesting(); |
| 180 | |
| 181 | PostDeleteToOtherThread(sequence_checked_object.Pass()); |
| 182 | other_thread()->Stop(); |
| 183 | } |
| 184 | |
| 185 | #if GTEST_HAS_DEATH_TEST || !ENABLE_SEQUENCE_CHECKER |
| 186 | |
| 187 | void SequenceCheckerTest::MethodOnDifferentThreadDeathTest() { |
| 188 | scoped_ptr<SequenceCheckedObject> sequence_checked_object( |
| 189 | new SequenceCheckedObject); |
| 190 | |
| 191 | // DoStuff should assert in debug builds only when called on a |
| 192 | // different thread. |
| 193 | PostDoStuffToOtherThread(sequence_checked_object.get()); |
| 194 | other_thread()->Stop(); |
| 195 | } |
| 196 | |
| 197 | #if ENABLE_SEQUENCE_CHECKER |
| 198 | TEST_F(SequenceCheckerTest, MethodNotAllowedOnDifferentThreadDeathTestInDebug) { |
| 199 | // The default style "fast" does not support multi-threaded tests. |
| 200 | ::testing::FLAGS_gtest_death_test_style = "threadsafe"; |
| 201 | ASSERT_DEATH({ |
| 202 | MethodOnDifferentThreadDeathTest(); |
| 203 | }, ""); |
| 204 | } |
| 205 | #else |
| 206 | TEST_F(SequenceCheckerTest, MethodAllowedOnDifferentThreadDeathTestInRelease) { |
| 207 | MethodOnDifferentThreadDeathTest(); |
| 208 | } |
| 209 | #endif // ENABLE_SEQUENCE_CHECKER |
| 210 | |
| 211 | void SequenceCheckerTest::DetachThenCallFromDifferentThreadDeathTest() { |
| 212 | scoped_ptr<SequenceCheckedObject> sequence_checked_object( |
| 213 | new SequenceCheckedObject); |
| 214 | |
| 215 | // DoStuff doesn't assert when called on a different thread |
| 216 | // after a call to DetachFromSequence. |
| 217 | sequence_checked_object->DetachFromSequence(); |
| 218 | PostDoStuffToOtherThread(sequence_checked_object.get()); |
| 219 | other_thread()->Stop(); |
| 220 | |
| 221 | // DoStuff should assert in debug builds only after moving to |
| 222 | // another thread. |
| 223 | sequence_checked_object->DoStuff(); |
| 224 | } |
| 225 | |
| 226 | #if ENABLE_SEQUENCE_CHECKER |
| 227 | TEST_F(SequenceCheckerTest, DetachFromSequenceDeathTestInDebug) { |
| 228 | // The default style "fast" does not support multi-threaded tests. |
| 229 | ::testing::FLAGS_gtest_death_test_style = "threadsafe"; |
| 230 | ASSERT_DEATH({ |
| 231 | DetachThenCallFromDifferentThreadDeathTest(); |
| 232 | }, ""); |
| 233 | } |
| 234 | #else |
| 235 | TEST_F(SequenceCheckerTest, DetachFromThreadDeathTestInRelease) { |
| 236 | DetachThenCallFromDifferentThreadDeathTest(); |
| 237 | } |
| 238 | #endif // ENABLE_SEQUENCE_CHECKER |
| 239 | |
| 240 | void SequenceCheckerTest::DifferentSequenceTokensDeathTest() { |
| 241 | scoped_ptr<SequenceCheckedObject> sequence_checked_object( |
| 242 | new SequenceCheckedObject); |
| 243 | |
| 244 | sequence_checked_object->DetachFromSequence(); |
| 245 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 246 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 247 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "B"); |
| 248 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "B"); |
| 249 | pool()->FlushForTesting(); |
| 250 | |
| 251 | PostDeleteToOtherThread(sequence_checked_object.Pass()); |
| 252 | other_thread()->Stop(); |
| 253 | } |
| 254 | |
| 255 | #if ENABLE_SEQUENCE_CHECKER |
| 256 | TEST_F(SequenceCheckerTest, DifferentSequenceTokensDeathTestInDebug) { |
| 257 | // The default style "fast" does not support multi-threaded tests. |
| 258 | ::testing::FLAGS_gtest_death_test_style = "threadsafe"; |
| 259 | ASSERT_DEATH({ |
| 260 | DifferentSequenceTokensDeathTest(); |
| 261 | }, ""); |
| 262 | } |
| 263 | #else |
thestig@chromium.org | 5b29c25 | 2014-04-29 20:21:50 +0900 | [diff] [blame] | 264 | TEST_F(SequenceCheckerTest, DifferentSequenceTokensDeathTestInRelease) { |
tommycli@chromium.org | 623e16c | 2013-07-31 04:26:40 +0900 | [diff] [blame] | 265 | DifferentSequenceTokensDeathTest(); |
| 266 | } |
| 267 | #endif // ENABLE_SEQUENCE_CHECKER |
| 268 | |
| 269 | void SequenceCheckerTest::WorkerPoolAndSimpleThreadDeathTest() { |
| 270 | scoped_ptr<SequenceCheckedObject> sequence_checked_object( |
| 271 | new SequenceCheckedObject); |
| 272 | |
| 273 | sequence_checked_object->DetachFromSequence(); |
| 274 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 275 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 276 | pool()->FlushForTesting(); |
| 277 | |
| 278 | PostDoStuffToOtherThread(sequence_checked_object.get()); |
| 279 | other_thread()->Stop(); |
| 280 | } |
| 281 | |
| 282 | #if ENABLE_SEQUENCE_CHECKER |
| 283 | TEST_F(SequenceCheckerTest, WorkerPoolAndSimpleThreadDeathTestInDebug) { |
| 284 | // The default style "fast" does not support multi-threaded tests. |
| 285 | ::testing::FLAGS_gtest_death_test_style = "threadsafe"; |
| 286 | ASSERT_DEATH({ |
| 287 | WorkerPoolAndSimpleThreadDeathTest(); |
| 288 | }, ""); |
| 289 | } |
| 290 | #else |
thestig@chromium.org | 5b29c25 | 2014-04-29 20:21:50 +0900 | [diff] [blame] | 291 | TEST_F(SequenceCheckerTest, WorkerPoolAndSimpleThreadDeathTestInRelease) { |
tommycli@chromium.org | 623e16c | 2013-07-31 04:26:40 +0900 | [diff] [blame] | 292 | WorkerPoolAndSimpleThreadDeathTest(); |
| 293 | } |
| 294 | #endif // ENABLE_SEQUENCE_CHECKER |
| 295 | |
| 296 | void SequenceCheckerTest::TwoDifferentWorkerPoolsDeathTest() { |
| 297 | scoped_ptr<SequenceCheckedObject> sequence_checked_object( |
| 298 | new SequenceCheckedObject); |
| 299 | |
| 300 | sequence_checked_object->DetachFromSequence(); |
| 301 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 302 | PostDoStuffToWorkerPool(sequence_checked_object.get(), "A"); |
| 303 | pool()->FlushForTesting(); |
| 304 | |
| 305 | SequencedWorkerPoolOwner second_pool_owner(kNumWorkerThreads, "test2"); |
| 306 | second_pool_owner.pool()->PostNamedSequencedWorkerTask( |
| 307 | "A", |
| 308 | FROM_HERE, |
| 309 | base::Bind(&SequenceCheckedObject::DoStuff, |
| 310 | base::Unretained(sequence_checked_object.get()))); |
| 311 | second_pool_owner.pool()->FlushForTesting(); |
| 312 | second_pool_owner.pool()->Shutdown(); |
| 313 | } |
| 314 | |
| 315 | #if ENABLE_SEQUENCE_CHECKER |
| 316 | TEST_F(SequenceCheckerTest, TwoDifferentWorkerPoolsDeathTestInDebug) { |
| 317 | // The default style "fast" does not support multi-threaded tests. |
| 318 | ::testing::FLAGS_gtest_death_test_style = "threadsafe"; |
| 319 | ASSERT_DEATH({ |
| 320 | TwoDifferentWorkerPoolsDeathTest(); |
| 321 | }, ""); |
| 322 | } |
| 323 | #else |
thestig@chromium.org | 5b29c25 | 2014-04-29 20:21:50 +0900 | [diff] [blame] | 324 | TEST_F(SequenceCheckerTest, TwoDifferentWorkerPoolsDeathTestInRelease) { |
tommycli@chromium.org | 623e16c | 2013-07-31 04:26:40 +0900 | [diff] [blame] | 325 | TwoDifferentWorkerPoolsDeathTest(); |
| 326 | } |
| 327 | #endif // ENABLE_SEQUENCE_CHECKER |
| 328 | |
| 329 | #endif // GTEST_HAS_DEATH_TEST || !ENABLE_SEQUENCE_CHECKER |
| 330 | |
akalin@chromium.org | 4fb2deb | 2012-12-28 04:58:00 +0900 | [diff] [blame] | 331 | } // namespace |
| 332 | |
| 333 | } // namespace base |
tommycli@chromium.org | 623e16c | 2013-07-31 04:26:40 +0900 | [diff] [blame] | 334 | |
| 335 | // Just in case we ever get lumped together with other compilation units. |
| 336 | #undef ENABLE_SEQUENCE_CHECKER |