1 /* 2 * Copyright (C) 2012 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 17 #include "common_runtime_test.h" 18 19 #include <cstdio> 20 #include <dirent.h> 21 #include <dlfcn.h> 22 #include <fcntl.h> 23 #include <ScopedLocalRef.h> 24 #include <stdlib.h> 25 26 #include "../../external/icu/icu4c/source/common/unicode/uvernum.h" 27 #include "art_field-inl.h" 28 #include "base/macros.h" 29 #include "base/logging.h" 30 #include "base/stl_util.h" 31 #include "base/stringprintf.h" 32 #include "base/unix_file/fd_file.h" 33 #include "class_linker.h" 34 #include "compiler_callbacks.h" 35 #include "dex_file-inl.h" 36 #include "gc_root-inl.h" 37 #include "gc/heap.h" 38 #include "gtest/gtest.h" 39 #include "handle_scope-inl.h" 40 #include "interpreter/unstarted_runtime.h" 41 #include "jni_internal.h" 42 #include "mirror/class-inl.h" 43 #include "mirror/class_loader.h" 44 #include "mem_map.h" 45 #include "native/dalvik_system_DexFile.h" 46 #include "noop_compiler_callbacks.h" 47 #include "os.h" 48 #include "primitive.h" 49 #include "runtime-inl.h" 50 #include "scoped_thread_state_change.h" 51 #include "thread.h" 52 #include "well_known_classes.h" 53 54 int main(int argc, char **argv) { 55 // Gtests can be very noisy. For example, an executable with multiple tests will trigger native 56 // bridge warnings. The following line reduces the minimum log severity to ERROR and suppresses 57 // everything else. In case you want to see all messages, comment out the line. 58 setenv("ANDROID_LOG_TAGS", "*:e", 1); 59 60 art::InitLogging(argv); 61 LOG(::art::INFO) << "Running main() from common_runtime_test.cc..."; 62 testing::InitGoogleTest(&argc, argv); 63 return RUN_ALL_TESTS(); 64 } 65 66 namespace art { 67 68 ScratchFile::ScratchFile() { 69 // ANDROID_DATA needs to be set 70 CHECK_NE(static_cast<char*>(nullptr), getenv("ANDROID_DATA")) << 71 "Are you subclassing RuntimeTest?"; 72 filename_ = getenv("ANDROID_DATA"); 73 filename_ += "/TmpFile-XXXXXX"; 74 int fd = mkstemp(&filename_[0]); 75 CHECK_NE(-1, fd) << strerror(errno) << " for " << filename_; 76 file_.reset(new File(fd, GetFilename(), true)); 77 } 78 79 ScratchFile::ScratchFile(const ScratchFile& other, const char* suffix) { 80 filename_ = other.GetFilename(); 81 filename_ += suffix; 82 int fd = open(filename_.c_str(), O_RDWR | O_CREAT, 0666); 83 CHECK_NE(-1, fd); 84 file_.reset(new File(fd, GetFilename(), true)); 85 } 86 87 ScratchFile::ScratchFile(File* file) { 88 CHECK(file != nullptr); 89 filename_ = file->GetPath(); 90 file_.reset(file); 91 } 92 93 ScratchFile::~ScratchFile() { 94 Unlink(); 95 } 96 97 int ScratchFile::GetFd() const { 98 return file_->Fd(); 99 } 100 101 void ScratchFile::Close() { 102 if (file_.get() != nullptr) { 103 if (file_->FlushCloseOrErase() != 0) { 104 PLOG(WARNING) << "Error closing scratch file."; 105 } 106 } 107 } 108 109 void ScratchFile::Unlink() { 110 if (!OS::FileExists(filename_.c_str())) { 111 return; 112 } 113 Close(); 114 int unlink_result = unlink(filename_.c_str()); 115 CHECK_EQ(0, unlink_result); 116 } 117 118 static bool unstarted_initialized_ = false; 119 120 CommonRuntimeTestImpl::CommonRuntimeTestImpl() {} 121 122 CommonRuntimeTestImpl::~CommonRuntimeTestImpl() { 123 // Ensure the dex files are cleaned up before the runtime. 124 loaded_dex_files_.clear(); 125 runtime_.reset(); 126 } 127 128 void CommonRuntimeTestImpl::SetUpAndroidRoot() { 129 if (IsHost()) { 130 // $ANDROID_ROOT is set on the device, but not necessarily on the host. 131 // But it needs to be set so that icu4c can find its locale data. 132 const char* android_root_from_env = getenv("ANDROID_ROOT"); 133 if (android_root_from_env == nullptr) { 134 // Use ANDROID_HOST_OUT for ANDROID_ROOT if it is set. 135 const char* android_host_out = getenv("ANDROID_HOST_OUT"); 136 if (android_host_out != nullptr) { 137 setenv("ANDROID_ROOT", android_host_out, 1); 138 } else { 139 // Build it from ANDROID_BUILD_TOP or cwd 140 std::string root; 141 const char* android_build_top = getenv("ANDROID_BUILD_TOP"); 142 if (android_build_top != nullptr) { 143 root += android_build_top; 144 } else { 145 // Not set by build server, so default to current directory 146 char* cwd = getcwd(nullptr, 0); 147 setenv("ANDROID_BUILD_TOP", cwd, 1); 148 root += cwd; 149 free(cwd); 150 } 151 #if defined(__linux__) 152 root += "/out/host/linux-x86"; 153 #elif defined(__APPLE__) 154 root += "/out/host/darwin-x86"; 155 #else 156 #error unsupported OS 157 #endif 158 setenv("ANDROID_ROOT", root.c_str(), 1); 159 } 160 } 161 setenv("LD_LIBRARY_PATH", ":", 0); // Required by java.lang.System.<clinit>. 162 163 // Not set by build server, so default 164 if (getenv("ANDROID_HOST_OUT") == nullptr) { 165 setenv("ANDROID_HOST_OUT", getenv("ANDROID_ROOT"), 1); 166 } 167 } 168 } 169 170 void CommonRuntimeTestImpl::SetUpAndroidData(std::string& android_data) { 171 // On target, Cannot use /mnt/sdcard because it is mounted noexec, so use subdir of dalvik-cache 172 if (IsHost()) { 173 const char* tmpdir = getenv("TMPDIR"); 174 if (tmpdir != nullptr && tmpdir[0] != 0) { 175 android_data = tmpdir; 176 } else { 177 android_data = "/tmp"; 178 } 179 } else { 180 android_data = "/data/dalvik-cache"; 181 } 182 android_data += "/art-data-XXXXXX"; 183 if (mkdtemp(&android_data[0]) == nullptr) { 184 PLOG(FATAL) << "mkdtemp(\"" << &android_data[0] << "\") failed"; 185 } 186 setenv("ANDROID_DATA", android_data.c_str(), 1); 187 } 188 189 void CommonRuntimeTestImpl::TearDownAndroidData(const std::string& android_data, 190 bool fail_on_error) { 191 if (fail_on_error) { 192 ASSERT_EQ(rmdir(android_data.c_str()), 0); 193 } else { 194 rmdir(android_data.c_str()); 195 } 196 } 197 198 // Helper - find directory with the following format: 199 // ${ANDROID_BUILD_TOP}/${subdir1}/${subdir2}-${version}/${subdir3}/bin/ 200 static std::string GetAndroidToolsDir(const std::string& subdir1, 201 const std::string& subdir2, 202 const std::string& subdir3) { 203 std::string root; 204 const char* android_build_top = getenv("ANDROID_BUILD_TOP"); 205 if (android_build_top != nullptr) { 206 root = android_build_top; 207 } else { 208 // Not set by build server, so default to current directory 209 char* cwd = getcwd(nullptr, 0); 210 setenv("ANDROID_BUILD_TOP", cwd, 1); 211 root = cwd; 212 free(cwd); 213 } 214 215 std::string toolsdir = root + "/" + subdir1; 216 std::string founddir; 217 DIR* dir; 218 if ((dir = opendir(toolsdir.c_str())) != nullptr) { 219 float maxversion = 0; 220 struct dirent* entry; 221 while ((entry = readdir(dir)) != nullptr) { 222 std::string format = subdir2 + "-%f"; 223 float version; 224 if (std::sscanf(entry->d_name, format.c_str(), &version) == 1) { 225 if (version > maxversion) { 226 maxversion = version; 227 founddir = toolsdir + "/" + entry->d_name + "/" + subdir3 + "/bin/"; 228 } 229 } 230 } 231 closedir(dir); 232 } 233 234 if (founddir.empty()) { 235 ADD_FAILURE() << "Cannot find Android tools directory."; 236 } 237 return founddir; 238 } 239 240 std::string CommonRuntimeTestImpl::GetAndroidHostToolsDir() { 241 return GetAndroidToolsDir("prebuilts/gcc/linux-x86/host", 242 "x86_64-linux-glibc2.15", 243 "x86_64-linux"); 244 } 245 246 std::string CommonRuntimeTestImpl::GetAndroidTargetToolsDir(InstructionSet isa) { 247 switch (isa) { 248 case kArm: 249 case kThumb2: 250 return GetAndroidToolsDir("prebuilts/gcc/linux-x86/arm", 251 "arm-linux-androideabi", 252 "arm-linux-androideabi"); 253 case kArm64: 254 return GetAndroidToolsDir("prebuilts/gcc/linux-x86/aarch64", 255 "aarch64-linux-android", 256 "aarch64-linux-android"); 257 case kX86: 258 case kX86_64: 259 return GetAndroidToolsDir("prebuilts/gcc/linux-x86/x86", 260 "x86_64-linux-android", 261 "x86_64-linux-android"); 262 case kMips: 263 case kMips64: 264 return GetAndroidToolsDir("prebuilts/gcc/linux-x86/mips", 265 "mips64el-linux-android", 266 "mips64el-linux-android"); 267 case kNone: 268 break; 269 } 270 ADD_FAILURE() << "Invalid isa " << isa; 271 return ""; 272 } 273 274 std::string CommonRuntimeTestImpl::GetCoreArtLocation() { 275 return GetCoreFileLocation("art"); 276 } 277 278 std::string CommonRuntimeTestImpl::GetCoreOatLocation() { 279 return GetCoreFileLocation("oat"); 280 } 281 282 std::unique_ptr<const DexFile> CommonRuntimeTestImpl::LoadExpectSingleDexFile( 283 const char* location) { 284 std::vector<std::unique_ptr<const DexFile>> dex_files; 285 std::string error_msg; 286 MemMap::Init(); 287 if (!DexFile::Open(location, location, &error_msg, &dex_files)) { 288 LOG(FATAL) << "Could not open .dex file '" << location << "': " << error_msg << "\n"; 289 UNREACHABLE(); 290 } else { 291 CHECK_EQ(1U, dex_files.size()) << "Expected only one dex file in " << location; 292 return std::move(dex_files[0]); 293 } 294 } 295 296 void CommonRuntimeTestImpl::SetUp() { 297 SetUpAndroidRoot(); 298 SetUpAndroidData(android_data_); 299 dalvik_cache_.append(android_data_.c_str()); 300 dalvik_cache_.append("/dalvik-cache"); 301 int mkdir_result = mkdir(dalvik_cache_.c_str(), 0700); 302 ASSERT_EQ(mkdir_result, 0); 303 304 std::string min_heap_string(StringPrintf("-Xms%zdm", gc::Heap::kDefaultInitialSize / MB)); 305 std::string max_heap_string(StringPrintf("-Xmx%zdm", gc::Heap::kDefaultMaximumSize / MB)); 306 307 308 RuntimeOptions options; 309 std::string boot_class_path_string = "-Xbootclasspath"; 310 for (const std::string &core_dex_file_name : GetLibCoreDexFileNames()) { 311 boot_class_path_string += ":"; 312 boot_class_path_string += core_dex_file_name; 313 } 314 315 options.push_back(std::make_pair(boot_class_path_string, nullptr)); 316 options.push_back(std::make_pair("-Xcheck:jni", nullptr)); 317 options.push_back(std::make_pair(min_heap_string, nullptr)); 318 options.push_back(std::make_pair(max_heap_string, nullptr)); 319 320 callbacks_.reset(new NoopCompilerCallbacks()); 321 322 SetUpRuntimeOptions(&options); 323 324 // Install compiler-callbacks if SetupRuntimeOptions hasn't deleted them. 325 if (callbacks_.get() != nullptr) { 326 options.push_back(std::make_pair("compilercallbacks", callbacks_.get())); 327 } 328 329 PreRuntimeCreate(); 330 if (!Runtime::Create(options, false)) { 331 LOG(FATAL) << "Failed to create runtime"; 332 return; 333 } 334 PostRuntimeCreate(); 335 runtime_.reset(Runtime::Current()); 336 class_linker_ = runtime_->GetClassLinker(); 337 class_linker_->FixupDexCaches(runtime_->GetResolutionMethod()); 338 339 // Runtime::Create acquired the mutator_lock_ that is normally given away when we 340 // Runtime::Start, give it away now and then switch to a more managable ScopedObjectAccess. 341 Thread::Current()->TransitionFromRunnableToSuspended(kNative); 342 343 // Get the boot class path from the runtime so it can be used in tests. 344 boot_class_path_ = class_linker_->GetBootClassPath(); 345 ASSERT_FALSE(boot_class_path_.empty()); 346 java_lang_dex_file_ = boot_class_path_[0]; 347 348 FinalizeSetup(); 349 } 350 351 void CommonRuntimeTestImpl::FinalizeSetup() { 352 // Initialize maps for unstarted runtime. This needs to be here, as running clinits needs this 353 // set up. 354 if (!unstarted_initialized_) { 355 interpreter::UnstartedRuntime::Initialize(); 356 unstarted_initialized_ = true; 357 } 358 359 { 360 ScopedObjectAccess soa(Thread::Current()); 361 class_linker_->RunRootClinits(); 362 } 363 364 // We're back in native, take the opportunity to initialize well known classes. 365 WellKnownClasses::Init(Thread::Current()->GetJniEnv()); 366 367 // Create the heap thread pool so that the GC runs in parallel for tests. Normally, the thread 368 // pool is created by the runtime. 369 runtime_->GetHeap()->CreateThreadPool(); 370 runtime_->GetHeap()->VerifyHeap(); // Check for heap corruption before the test 371 // Reduce timinig-dependent flakiness in OOME behavior (eg StubTest.AllocObject). 372 runtime_->GetHeap()->SetMinIntervalHomogeneousSpaceCompactionByOom(0U); 373 } 374 375 void CommonRuntimeTestImpl::ClearDirectory(const char* dirpath) { 376 ASSERT_TRUE(dirpath != nullptr); 377 DIR* dir = opendir(dirpath); 378 ASSERT_TRUE(dir != nullptr); 379 dirent* e; 380 struct stat s; 381 while ((e = readdir(dir)) != nullptr) { 382 if ((strcmp(e->d_name, ".") == 0) || (strcmp(e->d_name, "..") == 0)) { 383 continue; 384 } 385 std::string filename(dirpath); 386 filename.push_back('/'); 387 filename.append(e->d_name); 388 int stat_result = lstat(filename.c_str(), &s); 389 ASSERT_EQ(0, stat_result) << "unable to stat " << filename; 390 if (S_ISDIR(s.st_mode)) { 391 ClearDirectory(filename.c_str()); 392 int rmdir_result = rmdir(filename.c_str()); 393 ASSERT_EQ(0, rmdir_result) << filename; 394 } else { 395 int unlink_result = unlink(filename.c_str()); 396 ASSERT_EQ(0, unlink_result) << filename; 397 } 398 } 399 closedir(dir); 400 } 401 402 void CommonRuntimeTestImpl::TearDown() { 403 const char* android_data = getenv("ANDROID_DATA"); 404 ASSERT_TRUE(android_data != nullptr); 405 ClearDirectory(dalvik_cache_.c_str()); 406 int rmdir_cache_result = rmdir(dalvik_cache_.c_str()); 407 ASSERT_EQ(0, rmdir_cache_result); 408 TearDownAndroidData(android_data_, true); 409 dalvik_cache_.clear(); 410 411 // icu4c has a fixed 10-element array "gCommonICUDataArray". 412 // If we run > 10 tests, we fill that array and u_setCommonData fails. 413 // There's a function to clear the array, but it's not public... 414 typedef void (*IcuCleanupFn)(); 415 void* sym = dlsym(RTLD_DEFAULT, "u_cleanup_" U_ICU_VERSION_SHORT); 416 CHECK(sym != nullptr) << dlerror(); 417 IcuCleanupFn icu_cleanup_fn = reinterpret_cast<IcuCleanupFn>(sym); 418 (*icu_cleanup_fn)(); 419 420 Runtime::Current()->GetHeap()->VerifyHeap(); // Check for heap corruption after the test 421 } 422 423 static std::string GetDexFileName(const std::string& jar_prefix, bool host) { 424 std::string path; 425 if (host) { 426 const char* host_dir = getenv("ANDROID_HOST_OUT"); 427 CHECK(host_dir != nullptr); 428 path = host_dir; 429 } else { 430 path = GetAndroidRoot(); 431 } 432 433 std::string suffix = host 434 ? "-hostdex" // The host version. 435 : "-testdex"; // The unstripped target version. 436 437 return StringPrintf("%s/framework/%s%s.jar", path.c_str(), jar_prefix.c_str(), suffix.c_str()); 438 } 439 440 std::vector<std::string> CommonRuntimeTestImpl::GetLibCoreDexFileNames() { 441 return std::vector<std::string>({GetDexFileName("core-oj", IsHost()), 442 GetDexFileName("core-libart", IsHost())}); 443 } 444 445 std::string CommonRuntimeTestImpl::GetTestAndroidRoot() { 446 if (IsHost()) { 447 const char* host_dir = getenv("ANDROID_HOST_OUT"); 448 CHECK(host_dir != nullptr); 449 return host_dir; 450 } 451 return GetAndroidRoot(); 452 } 453 454 // Check that for target builds we have ART_TARGET_NATIVETEST_DIR set. 455 #ifdef ART_TARGET 456 #ifndef ART_TARGET_NATIVETEST_DIR 457 #error "ART_TARGET_NATIVETEST_DIR not set." 458 #endif 459 // Wrap it as a string literal. 460 #define ART_TARGET_NATIVETEST_DIR_STRING STRINGIFY(ART_TARGET_NATIVETEST_DIR) "/" 461 #else 462 #define ART_TARGET_NATIVETEST_DIR_STRING "" 463 #endif 464 465 std::string CommonRuntimeTestImpl::GetTestDexFileName(const char* name) { 466 CHECK(name != nullptr); 467 std::string filename; 468 if (IsHost()) { 469 filename += getenv("ANDROID_HOST_OUT"); 470 filename += "/framework/"; 471 } else { 472 filename += ART_TARGET_NATIVETEST_DIR_STRING; 473 } 474 filename += "art-gtest-"; 475 filename += name; 476 filename += ".jar"; 477 return filename; 478 } 479 480 std::vector<std::unique_ptr<const DexFile>> CommonRuntimeTestImpl::OpenTestDexFiles( 481 const char* name) { 482 std::string filename = GetTestDexFileName(name); 483 std::string error_msg; 484 std::vector<std::unique_ptr<const DexFile>> dex_files; 485 bool success = DexFile::Open(filename.c_str(), filename.c_str(), &error_msg, &dex_files); 486 CHECK(success) << "Failed to open '" << filename << "': " << error_msg; 487 for (auto& dex_file : dex_files) { 488 CHECK_EQ(PROT_READ, dex_file->GetPermissions()); 489 CHECK(dex_file->IsReadOnly()); 490 } 491 return dex_files; 492 } 493 494 std::unique_ptr<const DexFile> CommonRuntimeTestImpl::OpenTestDexFile(const char* name) { 495 std::vector<std::unique_ptr<const DexFile>> vector = OpenTestDexFiles(name); 496 EXPECT_EQ(1U, vector.size()); 497 return std::move(vector[0]); 498 } 499 500 std::vector<const DexFile*> CommonRuntimeTestImpl::GetDexFiles(jobject jclass_loader) { 501 std::vector<const DexFile*> ret; 502 503 ScopedObjectAccess soa(Thread::Current()); 504 505 StackHandleScope<2> hs(soa.Self()); 506 Handle<mirror::ClassLoader> class_loader = hs.NewHandle( 507 soa.Decode<mirror::ClassLoader*>(jclass_loader)); 508 509 DCHECK_EQ(class_loader->GetClass(), 510 soa.Decode<mirror::Class*>(WellKnownClasses::dalvik_system_PathClassLoader)); 511 DCHECK_EQ(class_loader->GetParent()->GetClass(), 512 soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_BootClassLoader)); 513 514 // The class loader is a PathClassLoader which inherits from BaseDexClassLoader. 515 // We need to get the DexPathList and loop through it. 516 ArtField* cookie_field = soa.DecodeField(WellKnownClasses::dalvik_system_DexFile_cookie); 517 ArtField* dex_file_field = 518 soa.DecodeField(WellKnownClasses::dalvik_system_DexPathList__Element_dexFile); 519 mirror::Object* dex_path_list = 520 soa.DecodeField(WellKnownClasses::dalvik_system_PathClassLoader_pathList)-> 521 GetObject(class_loader.Get()); 522 if (dex_path_list != nullptr && dex_file_field!= nullptr && cookie_field != nullptr) { 523 // DexPathList has an array dexElements of Elements[] which each contain a dex file. 524 mirror::Object* dex_elements_obj = 525 soa.DecodeField(WellKnownClasses::dalvik_system_DexPathList_dexElements)-> 526 GetObject(dex_path_list); 527 // Loop through each dalvik.system.DexPathList$Element's dalvik.system.DexFile and look 528 // at the mCookie which is a DexFile vector. 529 if (dex_elements_obj != nullptr) { 530 Handle<mirror::ObjectArray<mirror::Object>> dex_elements = 531 hs.NewHandle(dex_elements_obj->AsObjectArray<mirror::Object>()); 532 for (int32_t i = 0; i < dex_elements->GetLength(); ++i) { 533 mirror::Object* element = dex_elements->GetWithoutChecks(i); 534 if (element == nullptr) { 535 // Should never happen, fall back to java code to throw a NPE. 536 break; 537 } 538 mirror::Object* dex_file = dex_file_field->GetObject(element); 539 if (dex_file != nullptr) { 540 mirror::LongArray* long_array = cookie_field->GetObject(dex_file)->AsLongArray(); 541 DCHECK(long_array != nullptr); 542 int32_t long_array_size = long_array->GetLength(); 543 for (int32_t j = kDexFileIndexStart; j < long_array_size; ++j) { 544 const DexFile* cp_dex_file = reinterpret_cast<const DexFile*>(static_cast<uintptr_t>( 545 long_array->GetWithoutChecks(j))); 546 if (cp_dex_file == nullptr) { 547 LOG(WARNING) << "Null DexFile"; 548 continue; 549 } 550 ret.push_back(cp_dex_file); 551 } 552 } 553 } 554 } 555 } 556 557 return ret; 558 } 559 560 const DexFile* CommonRuntimeTestImpl::GetFirstDexFile(jobject jclass_loader) { 561 std::vector<const DexFile*> tmp(GetDexFiles(jclass_loader)); 562 DCHECK(!tmp.empty()); 563 const DexFile* ret = tmp[0]; 564 DCHECK(ret != nullptr); 565 return ret; 566 } 567 568 jobject CommonRuntimeTestImpl::LoadDex(const char* dex_name) { 569 std::vector<std::unique_ptr<const DexFile>> dex_files = OpenTestDexFiles(dex_name); 570 std::vector<const DexFile*> class_path; 571 CHECK_NE(0U, dex_files.size()); 572 for (auto& dex_file : dex_files) { 573 class_path.push_back(dex_file.get()); 574 loaded_dex_files_.push_back(std::move(dex_file)); 575 } 576 577 Thread* self = Thread::Current(); 578 jobject class_loader = Runtime::Current()->GetClassLinker()->CreatePathClassLoader(self, 579 class_path); 580 self->SetClassLoaderOverride(class_loader); 581 return class_loader; 582 } 583 584 std::string CommonRuntimeTestImpl::GetCoreFileLocation(const char* suffix) { 585 CHECK(suffix != nullptr); 586 587 std::string location; 588 if (IsHost()) { 589 const char* host_dir = getenv("ANDROID_HOST_OUT"); 590 CHECK(host_dir != nullptr); 591 location = StringPrintf("%s/framework/core.%s", host_dir, suffix); 592 } else { 593 location = StringPrintf("/data/art-test/core.%s", suffix); 594 } 595 596 return location; 597 } 598 599 CheckJniAbortCatcher::CheckJniAbortCatcher() : vm_(Runtime::Current()->GetJavaVM()) { 600 vm_->SetCheckJniAbortHook(Hook, &actual_); 601 } 602 603 CheckJniAbortCatcher::~CheckJniAbortCatcher() { 604 vm_->SetCheckJniAbortHook(nullptr, nullptr); 605 EXPECT_TRUE(actual_.empty()) << actual_; 606 } 607 608 void CheckJniAbortCatcher::Check(const char* expected_text) { 609 EXPECT_TRUE(actual_.find(expected_text) != std::string::npos) << "\n" 610 << "Expected to find: " << expected_text << "\n" 611 << "In the output : " << actual_; 612 actual_.clear(); 613 } 614 615 void CheckJniAbortCatcher::Hook(void* data, const std::string& reason) { 616 // We use += because when we're hooking the aborts like this, multiple problems can be found. 617 *reinterpret_cast<std::string*>(data) += reason; 618 } 619 620 } // namespace art 621 622 namespace std { 623 624 template <typename T> 625 std::ostream& operator<<(std::ostream& os, const std::vector<T>& rhs) { 626 os << ::art::ToString(rhs); 627 return os; 628 } 629 630 } // namespace std 631