/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "oat_file_assistant.h"
#include <sys/param.h>
#include <string>
#include <vector>
#include <fcntl.h>
#include <gtest/gtest.h>
#include "android-base/strings.h"
#include "art_field-inl.h"
#include "base/os.h"
#include "base/utils.h"
#include "class_linker-inl.h"
#include "class_loader_context.h"
#include "common_runtime_test.h"
#include "dexopt_test.h"
#include "hidden_api.h"
#include "oat_file.h"
#include "oat_file_manager.h"
#include "scoped_thread_state_change-inl.h"
#include "thread-current-inl.h"
namespace art {
class OatFileAssistantTest : public DexoptTest {
public:
void VerifyOptimizationStatus(const std::string& file,
const std::string& expected_filter,
const std::string& expected_reason) {
std::string compilation_filter;
std::string compilation_reason;
OatFileAssistant::GetOptimizationStatus(
file, kRuntimeISA, &compilation_filter, &compilation_reason);
ASSERT_EQ(expected_filter, compilation_filter);
ASSERT_EQ(expected_reason, compilation_reason);
}
void VerifyOptimizationStatus(const std::string& file,
CompilerFilter::Filter expected_filter,
const std::string& expected_reason) {
VerifyOptimizationStatus(
file, CompilerFilter::NameOfFilter(expected_filter), expected_reason);
}
void InsertNewBootClasspathEntry() {
std::string extra_dex_filename = GetMultiDexSrc1();
Runtime* runtime = Runtime::Current();
runtime->boot_class_path_.push_back(extra_dex_filename);
if (!runtime->boot_class_path_locations_.empty()) {
runtime->boot_class_path_locations_.push_back(extra_dex_filename);
}
}
};
class ScopedNonWritable {
public:
explicit ScopedNonWritable(const std::string& dex_location) {
is_valid_ = false;
size_t pos = dex_location.rfind('/');
if (pos != std::string::npos) {
is_valid_ = true;
dex_parent_ = dex_location.substr(0, pos);
if (chmod(dex_parent_.c_str(), 0555) != 0) {
PLOG(ERROR) << "Could not change permissions on " << dex_parent_;
}
}
}
bool IsSuccessful() { return is_valid_ && (access(dex_parent_.c_str(), W_OK) != 0); }
~ScopedNonWritable() {
if (is_valid_) {
if (chmod(dex_parent_.c_str(), 0777) != 0) {
PLOG(ERROR) << "Could not restore permissions on " << dex_parent_;
}
}
}
private:
std::string dex_parent_;
bool is_valid_;
};
static bool IsExecutedAsRoot() {
return geteuid() == 0;
}
// Case: We have a MultiDEX file and up-to-date ODEX file for it with relative
// encoded dex locations.
// Expect: The oat file status is kNoDexOptNeeded.
TEST_F(OatFileAssistantTest, RelativeEncodedDexLocation) {
std::string dex_location = GetScratchDir() + "/RelativeEncodedDexLocation.jar";
std::string odex_location = GetOdexDir() + "/RelativeEncodedDexLocation.odex";
// Create the dex file
Copy(GetMultiDexSrc1(), dex_location);
// Create the oat file with relative encoded dex location.
std::vector<std::string> args = {
"--dex-file=" + dex_location,
"--dex-location=" + std::string("RelativeEncodedDexLocation.jar"),
"--oat-file=" + odex_location,
"--compiler-filter=speed"
};
std::string error_msg;
ASSERT_TRUE(Dex2Oat(args, &error_msg)) << error_msg;
// Verify we can load both dex files.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
EXPECT_TRUE(oat_file->IsExecutable());
std::vector<std::unique_ptr<const DexFile>> dex_files;
dex_files = oat_file_assistant.LoadDexFiles(*oat_file, dex_location.c_str());
EXPECT_EQ(2u, dex_files.size());
}
TEST_F(OatFileAssistantTest, MakeUpToDateWithContext) {
std::string dex_location = GetScratchDir() + "/TestDex.jar";
std::string odex_location = GetOdexDir() + "/TestDex.odex";
std::string context_location = GetScratchDir() + "/ContextDex.jar";
Copy(GetDexSrc1(), dex_location);
Copy(GetDexSrc2(), context_location);
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
std::string context_str = "PCL[" + context_location + "]";
std::unique_ptr<ClassLoaderContext> context = ClassLoaderContext::Create(context_str);
ASSERT_TRUE(context != nullptr);
ASSERT_TRUE(context->OpenDexFiles(kRuntimeISA, ""));
std::string error_msg;
std::vector<std::string> args;
args.push_back("--dex-file=" + dex_location);
args.push_back("--oat-file=" + odex_location);
args.push_back("--class-loader-context=" + context_str);
ASSERT_TRUE(Dex2Oat(args, &error_msg)) << error_msg;
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
EXPECT_NE(nullptr, oat_file.get());
EXPECT_EQ(context->EncodeContextForOatFile(""),
oat_file->GetOatHeader().GetStoreValueByKey(OatHeader::kClassPathKey));
}
TEST_F(OatFileAssistantTest, GetDexOptNeededWithUpToDateContextRelative) {
std::string dex_location = GetScratchDir() + "/TestDex.jar";
std::string odex_location = GetOdexDir() + "/TestDex.odex";
std::string context_location = GetScratchDir() + "/ContextDex.jar";
Copy(GetDexSrc1(), dex_location);
Copy(GetDexSrc2(), context_location);
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
std::string context_str = "PCL[" + context_location + "]";
std::unique_ptr<ClassLoaderContext> context = ClassLoaderContext::Create(context_str);
ASSERT_TRUE(context != nullptr);
ASSERT_TRUE(context->OpenDexFiles(kRuntimeISA, ""));
std::string error_msg;
std::vector<std::string> args;
args.push_back("--dex-file=" + dex_location);
args.push_back("--oat-file=" + odex_location);
args.push_back("--class-loader-context=" + context_str);
ASSERT_TRUE(Dex2Oat(args, &error_msg)) << error_msg;
// A relative context simulates a dependent split context.
std::unique_ptr<ClassLoaderContext> relative_context =
ClassLoaderContext::Create("PCL[ContextDex.jar]");
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(
CompilerFilter::kDefaultCompilerFilter,
/* profile_changed= */ false,
/* downgrade= */ false,
relative_context.get()));
}
// Case: We have a DEX file, but no OAT file for it.
// Expect: The status is kDex2OatNeeded.
TEST_F(OatFileAssistantTest, DexNoOat) {
std::string dex_location = GetScratchDir() + "/DexNoOat.jar";
Copy(GetDexSrc1(), dex_location);
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken));
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeedProfile));
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
VerifyOptimizationStatus(dex_location, "run-from-apk", "unknown");
}
// Case: We have no DEX file and no OAT file.
// Expect: Status is kNoDexOptNeeded. Loading should fail, but not crash.
TEST_F(OatFileAssistantTest, NoDexNoOat) {
std::string dex_location = GetScratchDir() + "/NoDexNoOat.jar";
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.HasOriginalDexFiles());
// Trying to get the best oat file should fail, but not crash.
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
EXPECT_EQ(nullptr, oat_file.get());
}
// Case: We have a DEX file and an ODEX file, but no OAT file.
// Expect: The status is kNoDexOptNeeded.
TEST_F(OatFileAssistantTest, OdexUpToDate) {
std::string dex_location = GetScratchDir() + "/OdexUpToDate.jar";
std::string odex_location = GetOdexDir() + "/OdexUpToDate.odex";
Copy(GetDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed, "install");
// Force the use of oat location by making the dex parent not writable.
OatFileAssistant oat_file_assistant(
dex_location.c_str(), kRuntimeISA, /*load_executable=*/ false);
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken));
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(-OatFileAssistant::kDex2OatForFilter,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kEverything));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
VerifyOptimizationStatus(dex_location, CompilerFilter::kSpeed, "install");
}
// Case: We have an ODEX file compiled against partial boot image.
// Expect: The status is kNoDexOptNeeded.
TEST_F(OatFileAssistantTest, OdexUpToDatePartialBootImage) {
std::string dex_location = GetScratchDir() + "/OdexUpToDate.jar";
std::string odex_location = GetOdexDir() + "/OdexUpToDate.odex";
Copy(GetDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed, "install");
// Insert an extra dex file to the boot class path.
InsertNewBootClasspathEntry();
// Force the use of oat location by making the dex parent not writable.
OatFileAssistant oat_file_assistant(
dex_location.c_str(), kRuntimeISA, /*load_executable=*/ false);
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken));
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(-OatFileAssistant::kDex2OatForFilter,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kEverything));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
VerifyOptimizationStatus(dex_location, CompilerFilter::kSpeed, "install");
}
// Case: We have a DEX file and a PIC ODEX file, but no OAT file. We load the dex
// file via a symlink.
// Expect: The status is kNoDexOptNeeded.
TEST_F(OatFileAssistantTest, OdexUpToDateSymLink) {
std::string scratch_dir = GetScratchDir();
std::string dex_location = GetScratchDir() + "/OdexUpToDate.jar";
std::string odex_location = GetOdexDir() + "/OdexUpToDate.odex";
Copy(GetDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed);
// Now replace the dex location with a symlink.
std::string link = scratch_dir + "/link";
ASSERT_EQ(0, symlink(scratch_dir.c_str(), link.c_str()));
dex_location = link + "/OdexUpToDate.jar";
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken));
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(-OatFileAssistant::kDex2OatForFilter,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kEverything));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: We have a DEX file and up-to-date OAT file for it.
// Expect: The status is kNoDexOptNeeded.
TEST_F(OatFileAssistantTest, OatUpToDate) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/OatUpToDate.jar";
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeed);
// Force the use of oat location by making the dex parent not writable.
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken));
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(OatFileAssistant::kDex2OatForFilter,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kEverything));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
VerifyOptimizationStatus(dex_location, CompilerFilter::kSpeed, "unknown");
}
// Case: Passing valid file descriptors of updated odex/vdex files along with the dex file.
// Expect: The status is kNoDexOptNeeded.
TEST_F(OatFileAssistantTest, GetDexOptNeededWithFd) {
std::string dex_location = GetScratchDir() + "/OatUpToDate.jar";
std::string odex_location = GetScratchDir() + "/OatUpToDate.odex";
std::string vdex_location = GetScratchDir() + "/OatUpToDate.vdex";
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(),
odex_location.c_str(),
CompilerFilter::kSpeed,
/* with_alternate_image= */ false);
android::base::unique_fd odex_fd(open(odex_location.c_str(), O_RDONLY | O_CLOEXEC));
android::base::unique_fd vdex_fd(open(vdex_location.c_str(), O_RDONLY | O_CLOEXEC));
android::base::unique_fd zip_fd(open(dex_location.c_str(), O_RDONLY | O_CLOEXEC));
OatFileAssistant oat_file_assistant(dex_location.c_str(),
kRuntimeISA,
false,
false,
vdex_fd.get(),
odex_fd.get(),
zip_fd.get());
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken));
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(-OatFileAssistant::kDex2OatForFilter,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kEverything));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: Passing invalid odex fd and valid vdex and zip fds.
// Expect: The status should be kDex2OatForBootImage.
TEST_F(OatFileAssistantTest, GetDexOptNeededWithInvalidOdexFd) {
std::string dex_location = GetScratchDir() + "/OatUpToDate.jar";
std::string odex_location = GetScratchDir() + "/OatUpToDate.odex";
std::string vdex_location = GetScratchDir() + "/OatUpToDate.vdex";
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(),
odex_location.c_str(),
CompilerFilter::kSpeed,
/* with_alternate_image= */ false);
android::base::unique_fd vdex_fd(open(vdex_location.c_str(), O_RDONLY | O_CLOEXEC));
android::base::unique_fd zip_fd(open(dex_location.c_str(), O_RDONLY | O_CLOEXEC));
OatFileAssistant oat_file_assistant(dex_location.c_str(),
kRuntimeISA,
false,
false,
vdex_fd.get(),
/* oat_fd= */ -1,
zip_fd.get());
EXPECT_EQ(-OatFileAssistant::kDex2OatForBootImage,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(-OatFileAssistant::kDex2OatForBootImage,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kEverything));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatBootImageOutOfDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: Passing invalid vdex fd and valid odex and zip fds.
// Expect: The status should be kDex2OatFromScratch.
TEST_F(OatFileAssistantTest, GetDexOptNeededWithInvalidVdexFd) {
std::string dex_location = GetScratchDir() + "/OatUpToDate.jar";
std::string odex_location = GetScratchDir() + "/OatUpToDate.odex";
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(),
odex_location.c_str(),
CompilerFilter::kSpeed,
/* with_alternate_image= */ false);
android::base::unique_fd odex_fd(open(odex_location.c_str(), O_RDONLY | O_CLOEXEC));
android::base::unique_fd zip_fd(open(dex_location.c_str(), O_RDONLY | O_CLOEXEC));
OatFileAssistant oat_file_assistant(dex_location.c_str(),
kRuntimeISA,
false,
false,
/* vdex_fd= */ -1,
odex_fd.get(),
zip_fd.get());
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: Passing invalid vdex and odex fd with valid zip fd.
// Expect: The status is kDex2oatFromScratch.
TEST_F(OatFileAssistantTest, GetDexOptNeededWithInvalidOdexVdexFd) {
std::string dex_location = GetScratchDir() + "/OatUpToDate.jar";
Copy(GetDexSrc1(), dex_location);
android::base::unique_fd zip_fd(open(dex_location.c_str(), O_RDONLY | O_CLOEXEC));
OatFileAssistant oat_file_assistant(dex_location.c_str(),
kRuntimeISA,
false,
false,
/* vdex_fd= */ -1,
/* oat_fd= */ -1,
zip_fd);
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
}
// Case: We have a DEX file and up-to-date (ODEX) VDEX file for it, but no
// ODEX file.
TEST_F(OatFileAssistantTest, VdexUpToDateNoOdex) {
std::string dex_location = GetScratchDir() + "/VdexUpToDateNoOdex.jar";
std::string odex_location = GetOdexDir() + "/VdexUpToDateNoOdex.oat";
Copy(GetDexSrc1(), dex_location);
// Generating and deleting the oat file should have the side effect of
// creating an up-to-date vdex file.
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed);
ASSERT_EQ(0, unlink(odex_location.c_str()));
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
// Even though the vdex file is up to date, because we don't have the oat
// file, we can't know that the vdex depends on the boot image and is up to
// date with respect to the boot image. Instead we must assume the vdex file
// depends on the boot image and is out of date with respect to the boot
// image.
EXPECT_EQ(-OatFileAssistant::kDex2OatForBootImage,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
// Make sure we don't crash in this case when we dump the status. We don't
// care what the actual dumped value is.
oat_file_assistant.GetStatusDump();
VerifyOptimizationStatus(dex_location, "run-from-apk", "unknown");
}
// Case: We have a DEX file and empty VDEX and ODEX files.
TEST_F(OatFileAssistantTest, EmptyVdexOdex) {
std::string dex_location = GetScratchDir() + "/EmptyVdexOdex.jar";
std::string odex_location = GetOdexDir() + "/EmptyVdexOdex.oat";
std::string vdex_location = GetOdexDir() + "/EmptyVdexOdex.vdex";
Copy(GetDexSrc1(), dex_location);
ScratchFile vdex_file(vdex_location.c_str());
ScratchFile odex_file(odex_location.c_str());
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
}
// Case: We have a DEX file and up-to-date (OAT) VDEX file for it, but no OAT
// file.
TEST_F(OatFileAssistantTest, VdexUpToDateNoOat) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/VdexUpToDateNoOat.jar";
std::string oat_location;
std::string error_msg;
ASSERT_TRUE(OatFileAssistant::DexLocationToOatFilename(
dex_location, kRuntimeISA, &oat_location, &error_msg)) << error_msg;
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeed);
ASSERT_EQ(0, unlink(oat_location.c_str()));
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
// Even though the vdex file is up to date, because we don't have the oat
// file, we can't know that the vdex depends on the boot image and is up to
// date with respect to the boot image. Instead we must assume the vdex file
// depends on the boot image and is out of date with respect to the boot
// image.
EXPECT_EQ(OatFileAssistant::kDex2OatForBootImage,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
}
// Case: We have a DEX file and speed-profile OAT file for it.
// Expect: The status is kNoDexOptNeeded if the profile hasn't changed, but
// kDex2Oat if the profile has changed.
TEST_F(OatFileAssistantTest, ProfileOatUpToDate) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/ProfileOatUpToDate.jar";
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeedProfile);
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeedProfile, false));
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken, false));
EXPECT_EQ(OatFileAssistant::kDex2OatForFilter,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeedProfile, true));
EXPECT_EQ(OatFileAssistant::kDex2OatForFilter,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken, true));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: We have a MultiDEX file and up-to-date OAT file for it.
// Expect: The status is kNoDexOptNeeded and we load all dex files.
TEST_F(OatFileAssistantTest, MultiDexOatUpToDate) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/MultiDexOatUpToDate.jar";
Copy(GetMultiDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeed);
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed, false));
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
// Verify we can load both dex files.
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
EXPECT_TRUE(oat_file->IsExecutable());
std::vector<std::unique_ptr<const DexFile>> dex_files;
dex_files = oat_file_assistant.LoadDexFiles(*oat_file, dex_location.c_str());
EXPECT_EQ(2u, dex_files.size());
}
// Case: We have a MultiDEX file where the non-main multdex entry is out of date.
// Expect: The status is kDex2OatNeeded.
TEST_F(OatFileAssistantTest, MultiDexNonMainOutOfDate) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/MultiDexNonMainOutOfDate.jar";
// Compile code for GetMultiDexSrc1.
Copy(GetMultiDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeed);
// Now overwrite the dex file with GetMultiDexSrc2 so the non-main checksum
// is out of date.
Copy(GetMultiDexSrc2(), dex_location);
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed, false));
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: We have a stripped MultiDEX file where the non-main multidex entry is
// out of date with respect to the odex file.
TEST_F(OatFileAssistantTest, StrippedMultiDexNonMainOutOfDate) {
std::string dex_location = GetScratchDir() + "/StrippedMultiDexNonMainOutOfDate.jar";
std::string odex_location = GetOdexDir() + "/StrippedMultiDexNonMainOutOfDate.odex";
// Compile the oat from GetMultiDexSrc1.
Copy(GetMultiDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeed);
// Compile the odex from GetMultiDexSrc2, which has a different non-main
// dex checksum.
Copy(GetMultiDexSrc2(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kQuicken);
// Strip the dex file.
Copy(GetStrippedDexSrc1(), dex_location);
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, /*load_executable=*/false);
// Because the dex file is stripped, the odex file is considered the source
// of truth for the dex checksums. The oat file should be considered
// unusable.
std::unique_ptr<OatFile> best_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(best_file.get() != nullptr);
EXPECT_EQ(best_file->GetLocation(), odex_location);
EXPECT_FALSE(oat_file_assistant.HasOriginalDexFiles());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatDexOutOfDate, oat_file_assistant.OatFileStatus());
}
// Case: We have a DEX file and an OAT file out of date with respect to the
// dex checksum.
TEST_F(OatFileAssistantTest, OatDexOutOfDate) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/OatDexOutOfDate.jar";
// We create a dex, generate an oat for it, then overwrite the dex with a
// different dex to make the oat out of date.
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeed);
Copy(GetDexSrc2(), dex_location);
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatDexOutOfDate, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: We have a DEX file and an (ODEX) VDEX file out of date with respect
// to the dex checksum, but no ODEX file.
TEST_F(OatFileAssistantTest, VdexDexOutOfDate) {
std::string dex_location = GetScratchDir() + "/VdexDexOutOfDate.jar";
std::string odex_location = GetOdexDir() + "/VdexDexOutOfDate.oat";
Copy(GetDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed);
ASSERT_EQ(0, unlink(odex_location.c_str()));
Copy(GetDexSrc2(), dex_location);
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
}
// Case: We have a MultiDEX (ODEX) VDEX file where the non-main multidex entry
// is out of date and there is no corresponding ODEX file.
TEST_F(OatFileAssistantTest, VdexMultiDexNonMainOutOfDate) {
std::string dex_location = GetScratchDir() + "/VdexMultiDexNonMainOutOfDate.jar";
std::string odex_location = GetOdexDir() + "/VdexMultiDexNonMainOutOfDate.odex";
Copy(GetMultiDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed);
ASSERT_EQ(0, unlink(odex_location.c_str()));
Copy(GetMultiDexSrc2(), dex_location);
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
}
// Case: We have a DEX file and an OAT file out of date with respect to the
// boot image.
TEST_F(OatFileAssistantTest, OatImageOutOfDate) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/OatImageOutOfDate.jar";
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(),
CompilerFilter::kSpeed,
/* with_alternate_image= */ true);
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kDex2OatForBootImage,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(OatFileAssistant::kDex2OatForBootImage,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken));
EXPECT_EQ(OatFileAssistant::kDex2OatForBootImage,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatBootImageOutOfDate, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: We have a DEX file and a verify-at-runtime OAT file out of date with
// respect to the boot image.
// It shouldn't matter that the OAT file is out of date, because it is
// verify-at-runtime.
TEST_F(OatFileAssistantTest, OatVerifyAtRuntimeImageOutOfDate) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/OatVerifyAtRuntimeImageOutOfDate.jar";
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(),
CompilerFilter::kExtract,
/* with_alternate_image= */ true);
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(OatFileAssistant::kDex2OatForFilter,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: We have a DEX file and an ODEX file, but no OAT file.
TEST_F(OatFileAssistantTest, DexOdexNoOat) {
std::string dex_location = GetScratchDir() + "/DexOdexNoOat.jar";
std::string odex_location = GetOdexDir() + "/DexOdexNoOat.odex";
// Create the dex and odex files
Copy(GetDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed);
// Verify the status.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
// We should still be able to get the non-executable odex file to run from.
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
}
// Case: We have a stripped DEX file and a PIC ODEX file, but no OAT file.
TEST_F(OatFileAssistantTest, StrippedDexOdexNoOat) {
std::string dex_location = GetScratchDir() + "/StrippedDexOdexNoOat.jar";
std::string odex_location = GetOdexDir() + "/StrippedDexOdexNoOat.odex";
// Create the dex and odex files
Copy(GetDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed);
// Strip the dex file
Copy(GetStrippedDexSrc1(), dex_location);
// Verify the status.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
EXPECT_EQ(-OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_FALSE(oat_file_assistant.HasOriginalDexFiles());
// Verify we can load the dex files from it.
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
EXPECT_TRUE(oat_file->IsExecutable());
std::vector<std::unique_ptr<const DexFile>> dex_files;
dex_files = oat_file_assistant.LoadDexFiles(*oat_file, dex_location.c_str());
EXPECT_EQ(1u, dex_files.size());
}
// Case: We have a stripped DEX file, a PIC ODEX file, and an out-of-date OAT file.
TEST_F(OatFileAssistantTest, StrippedDexOdexOat) {
std::string dex_location = GetScratchDir() + "/StrippedDexOdexOat.jar";
std::string odex_location = GetOdexDir() + "/StrippedDexOdexOat.odex";
// Create the oat file from a different dex file so it looks out of date.
Copy(GetDexSrc2(), dex_location);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeed);
// Create the odex file
Copy(GetDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed);
// Strip the dex file.
Copy(GetStrippedDexSrc1(), dex_location);
// Verify the status.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(-OatFileAssistant::kDex2OatForFilter, // Compiling from the .vdex file
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kEverything));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatDexOutOfDate, oat_file_assistant.OatFileStatus());
EXPECT_FALSE(oat_file_assistant.HasOriginalDexFiles());
// Verify we can load the dex files from it.
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
EXPECT_TRUE(oat_file->IsExecutable());
std::vector<std::unique_ptr<const DexFile>> dex_files;
dex_files = oat_file_assistant.LoadDexFiles(*oat_file, dex_location.c_str());
EXPECT_EQ(1u, dex_files.size());
}
// Case: We have a stripped (or resource-only) DEX file, no ODEX file and no
// OAT file. Expect: The status is kNoDexOptNeeded.
TEST_F(OatFileAssistantTest, ResourceOnlyDex) {
std::string dex_location = GetScratchDir() + "/ResourceOnlyDex.jar";
Copy(GetStrippedDexSrc1(), dex_location);
// Verify the status.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kQuicken));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_FALSE(oat_file_assistant.HasOriginalDexFiles());
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_FALSE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: We have a DEX file, an ODEX file and an OAT file.
// Expect: It shouldn't crash. We should load the odex file executable.
TEST_F(OatFileAssistantTest, OdexOatOverlap) {
std::string dex_location = GetScratchDir() + "/OdexOatOverlap.jar";
std::string odex_location = GetOdexDir() + "/OdexOatOverlap.odex";
// Create the dex, the odex and the oat files.
Copy(GetDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeed);
// Verify things don't go bad.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
EXPECT_TRUE(oat_file->IsExecutable());
std::vector<std::unique_ptr<const DexFile>> dex_files;
dex_files = oat_file_assistant.LoadDexFiles(*oat_file, dex_location.c_str());
EXPECT_EQ(1u, dex_files.size());
}
// Case: We have a DEX file and a VerifyAtRuntime ODEX file, but no OAT file.
// Expect: The status is kNoDexOptNeeded, because VerifyAtRuntime contains no code.
TEST_F(OatFileAssistantTest, DexVerifyAtRuntimeOdexNoOat) {
std::string dex_location = GetScratchDir() + "/DexVerifyAtRuntimeOdexNoOat.jar";
std::string odex_location = GetOdexDir() + "/DexVerifyAtRuntimeOdexNoOat.odex";
// Create the dex and odex files
Copy(GetDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kExtract);
// Verify the status.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kExtract));
EXPECT_EQ(-OatFileAssistant::kDex2OatForFilter,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatUpToDate, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_TRUE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: We have a DEX file and up-to-date OAT file for it.
// Expect: We should load an executable dex file.
TEST_F(OatFileAssistantTest, LoadOatUpToDate) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/LoadOatUpToDate.jar";
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeed);
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
// Load the oat using an oat file assistant.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
EXPECT_TRUE(oat_file->IsExecutable());
std::vector<std::unique_ptr<const DexFile>> dex_files;
dex_files = oat_file_assistant.LoadDexFiles(*oat_file, dex_location.c_str());
EXPECT_EQ(1u, dex_files.size());
}
// Case: We have a DEX file and up-to-date quicken OAT file for it.
// Expect: We should still load the oat file as executable.
TEST_F(OatFileAssistantTest, LoadExecInterpretOnlyOatUpToDate) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/LoadExecInterpretOnlyOatUpToDate.jar";
Copy(GetDexSrc1(), dex_location);
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kQuicken);
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
// Load the oat using an oat file assistant.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
EXPECT_TRUE(oat_file->IsExecutable());
std::vector<std::unique_ptr<const DexFile>> dex_files;
dex_files = oat_file_assistant.LoadDexFiles(*oat_file, dex_location.c_str());
EXPECT_EQ(1u, dex_files.size());
}
// Case: We have a DEX file and up-to-date OAT file for it.
// Expect: Loading non-executable should load the oat non-executable.
TEST_F(OatFileAssistantTest, LoadNoExecOatUpToDate) {
if (IsExecutedAsRoot()) {
// We cannot simulate non writable locations when executed as root: b/38000545.
LOG(ERROR) << "Test skipped because it's running as root";
return;
}
std::string dex_location = GetScratchDir() + "/LoadNoExecOatUpToDate.jar";
Copy(GetDexSrc1(), dex_location);
ScopedNonWritable scoped_non_writable(dex_location);
ASSERT_TRUE(scoped_non_writable.IsSuccessful());
GenerateOatForTest(dex_location.c_str(), CompilerFilter::kSpeed);
// Load the oat using an oat file assistant.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
EXPECT_FALSE(oat_file->IsExecutable());
std::vector<std::unique_ptr<const DexFile>> dex_files;
dex_files = oat_file_assistant.LoadDexFiles(*oat_file, dex_location.c_str());
EXPECT_EQ(1u, dex_files.size());
}
// Turn an absolute path into a path relative to the current working
// directory.
static std::string MakePathRelative(const std::string& target) {
char buf[MAXPATHLEN];
std::string cwd = getcwd(buf, MAXPATHLEN);
// Split the target and cwd paths into components.
std::vector<std::string> target_path;
std::vector<std::string> cwd_path;
Split(target, '/', &target_path);
Split(cwd, '/', &cwd_path);
// Reverse the path components, so we can use pop_back().
std::reverse(target_path.begin(), target_path.end());
std::reverse(cwd_path.begin(), cwd_path.end());
// Drop the common prefix of the paths. Because we reversed the path
// components, this becomes the common suffix of target_path and cwd_path.
while (!target_path.empty() && !cwd_path.empty()
&& target_path.back() == cwd_path.back()) {
target_path.pop_back();
cwd_path.pop_back();
}
// For each element of the remaining cwd_path, add '..' to the beginning
// of the target path. Because we reversed the path components, we add to
// the end of target_path.
for (unsigned int i = 0; i < cwd_path.size(); i++) {
target_path.push_back("..");
}
// Reverse again to get the right path order, and join to get the result.
std::reverse(target_path.begin(), target_path.end());
return android::base::Join(target_path, '/');
}
// Case: Non-absolute path to Dex location.
// Expect: Not sure, but it shouldn't crash.
TEST_F(OatFileAssistantTest, NonAbsoluteDexLocation) {
std::string abs_dex_location = GetScratchDir() + "/NonAbsoluteDexLocation.jar";
Copy(GetDexSrc1(), abs_dex_location);
std::string dex_location = MakePathRelative(abs_dex_location);
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
}
// Case: Very short, non-existent Dex location.
// Expect: kNoDexOptNeeded.
TEST_F(OatFileAssistantTest, ShortDexLocation) {
std::string dex_location = "/xx";
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kNoDexOptNeeded,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
EXPECT_FALSE(oat_file_assistant.HasOriginalDexFiles());
}
// Case: Non-standard extension for dex file.
// Expect: The status is kDex2OatNeeded.
TEST_F(OatFileAssistantTest, LongDexExtension) {
std::string dex_location = GetScratchDir() + "/LongDexExtension.jarx";
Copy(GetDexSrc1(), dex_location);
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(CompilerFilter::kSpeed));
EXPECT_FALSE(oat_file_assistant.IsInBootClassPath());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OdexFileStatus());
EXPECT_EQ(OatFileAssistant::kOatCannotOpen, oat_file_assistant.OatFileStatus());
}
// A task to generate a dex location. Used by the RaceToGenerate test.
class RaceGenerateTask : public Task {
public:
RaceGenerateTask(OatFileAssistantTest& test,
const std::string& dex_location,
const std::string& oat_location,
Mutex* lock)
: test_(test),
dex_location_(dex_location),
oat_location_(oat_location),
lock_(lock),
loaded_oat_file_(nullptr)
{}
void Run(Thread* self ATTRIBUTE_UNUSED) override {
// Load the dex files, and save a pointer to the loaded oat file, so that
// we can verify only one oat file was loaded for the dex location.
std::vector<std::unique_ptr<const DexFile>> dex_files;
std::vector<std::string> error_msgs;
const OatFile* oat_file = nullptr;
{
MutexLock mu(Thread::Current(), *lock_);
// Create the oat file.
std::vector<std::string> args;
args.push_back("--dex-file=" + dex_location_);
args.push_back("--oat-file=" + oat_location_);
std::string error_msg;
ASSERT_TRUE(test_.Dex2Oat(args, &error_msg)) << error_msg;
}
dex_files = Runtime::Current()->GetOatFileManager().OpenDexFilesFromOat(
dex_location_.c_str(),
Runtime::Current()->GetSystemClassLoader(),
/*dex_elements=*/nullptr,
&oat_file,
&error_msgs);
CHECK(!dex_files.empty()) << android::base::Join(error_msgs, '\n');
if (dex_files[0]->GetOatDexFile() != nullptr) {
loaded_oat_file_ = dex_files[0]->GetOatDexFile()->GetOatFile();
}
CHECK_EQ(loaded_oat_file_, oat_file);
}
const OatFile* GetLoadedOatFile() const {
return loaded_oat_file_;
}
private:
OatFileAssistantTest& test_;
std::string dex_location_;
std::string oat_location_;
Mutex* lock_;
const OatFile* loaded_oat_file_;
};
// Test the case where dex2oat invocations race with multiple processes trying to
// load the oat file.
TEST_F(OatFileAssistantTest, RaceToGenerate) {
std::string dex_location = GetScratchDir() + "/RaceToGenerate.jar";
std::string oat_location = GetOdexDir() + "/RaceToGenerate.oat";
// Start the runtime to initialize the system's class loader.
Thread::Current()->TransitionFromSuspendedToRunnable();
runtime_->Start();
// We use the lib core dex file, because it's large, and hopefully should
// take a while to generate.
Copy(GetLibCoreDexFileNames()[0], dex_location);
const size_t kNumThreads = 32;
Thread* self = Thread::Current();
ThreadPool thread_pool("Oat file assistant test thread pool", kNumThreads);
std::vector<std::unique_ptr<RaceGenerateTask>> tasks;
Mutex lock("RaceToGenerate");
for (size_t i = 0; i < kNumThreads; i++) {
std::unique_ptr<RaceGenerateTask> task(
new RaceGenerateTask(*this, dex_location, oat_location, &lock));
thread_pool.AddTask(self, task.get());
tasks.push_back(std::move(task));
}
thread_pool.StartWorkers(self);
thread_pool.Wait(self, /* do_work= */ true, /* may_hold_locks= */ false);
// Verify that tasks which got an oat file got a unique one.
std::set<const OatFile*> oat_files;
for (auto& task : tasks) {
const OatFile* oat_file = task->GetLoadedOatFile();
if (oat_file != nullptr) {
EXPECT_TRUE(oat_files.find(oat_file) == oat_files.end());
oat_files.insert(oat_file);
}
}
}
// Case: We have a DEX file and an ODEX file, and no OAT file,
// Expect: We should load the odex file executable.
TEST_F(DexoptTest, LoadDexOdexNoOat) {
std::string dex_location = GetScratchDir() + "/LoadDexOdexNoOat.jar";
std::string odex_location = GetOdexDir() + "/LoadDexOdexNoOat.odex";
// Create the dex and odex files
Copy(GetDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed);
// Load the oat using an executable oat file assistant.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
EXPECT_TRUE(oat_file->IsExecutable());
std::vector<std::unique_ptr<const DexFile>> dex_files;
dex_files = oat_file_assistant.LoadDexFiles(*oat_file, dex_location.c_str());
EXPECT_EQ(1u, dex_files.size());
}
// Case: We have a MultiDEX file and an ODEX file, and no OAT file.
// Expect: We should load the odex file executable.
TEST_F(DexoptTest, LoadMultiDexOdexNoOat) {
std::string dex_location = GetScratchDir() + "/LoadMultiDexOdexNoOat.jar";
std::string odex_location = GetOdexDir() + "/LoadMultiDexOdexNoOat.odex";
// Create the dex and odex files
Copy(GetMultiDexSrc1(), dex_location);
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed);
// Load the oat using an executable oat file assistant.
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, true);
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
ASSERT_TRUE(oat_file.get() != nullptr);
EXPECT_TRUE(oat_file->IsExecutable());
std::vector<std::unique_ptr<const DexFile>> dex_files;
dex_files = oat_file_assistant.LoadDexFiles(*oat_file, dex_location.c_str());
EXPECT_EQ(2u, dex_files.size());
}
TEST(OatFileAssistantUtilsTest, DexLocationToOdexFilename) {
std::string error_msg;
std::string odex_file;
EXPECT_TRUE(OatFileAssistant::DexLocationToOdexFilename(
"/foo/bar/baz.jar", InstructionSet::kArm, &odex_file, &error_msg)) << error_msg;
EXPECT_EQ("/foo/bar/oat/arm/baz.odex", odex_file);
EXPECT_TRUE(OatFileAssistant::DexLocationToOdexFilename(
"/foo/bar/baz.funnyext", InstructionSet::kArm, &odex_file, &error_msg)) << error_msg;
EXPECT_EQ("/foo/bar/oat/arm/baz.odex", odex_file);
EXPECT_FALSE(OatFileAssistant::DexLocationToOdexFilename(
"nopath.jar", InstructionSet::kArm, &odex_file, &error_msg));
EXPECT_FALSE(OatFileAssistant::DexLocationToOdexFilename(
"/foo/bar/baz_noext", InstructionSet::kArm, &odex_file, &error_msg));
}
// Verify the dexopt status values from dalvik.system.DexFile
// match the OatFileAssistant::DexOptStatus values.
TEST_F(OatFileAssistantTest, DexOptStatusValues) {
std::pair<OatFileAssistant::DexOptNeeded, const char*> mapping[] = {
{OatFileAssistant::kNoDexOptNeeded, "NO_DEXOPT_NEEDED"},
{OatFileAssistant::kDex2OatFromScratch, "DEX2OAT_FROM_SCRATCH"},
{OatFileAssistant::kDex2OatForBootImage, "DEX2OAT_FOR_BOOT_IMAGE"},
{OatFileAssistant::kDex2OatForFilter, "DEX2OAT_FOR_FILTER"},
};
ScopedObjectAccess soa(Thread::Current());
StackHandleScope<1> hs(soa.Self());
ClassLinker* linker = Runtime::Current()->GetClassLinker();
Handle<mirror::Class> dexfile(
hs.NewHandle(linker->FindSystemClass(soa.Self(), "Ldalvik/system/DexFile;")));
ASSERT_FALSE(dexfile == nullptr);
linker->EnsureInitialized(soa.Self(), dexfile, true, true);
for (std::pair<OatFileAssistant::DexOptNeeded, const char*> field : mapping) {
ArtField* art_field = mirror::Class::FindStaticField(
soa.Self(), dexfile.Get(), field.second, "I");
ASSERT_FALSE(art_field == nullptr);
EXPECT_EQ(art_field->GetTypeAsPrimitiveType(), Primitive::kPrimInt);
EXPECT_EQ(field.first, art_field->GetInt(dexfile.Get()));
}
}
TEST_F(OatFileAssistantTest, GetDexOptNeededWithOutOfDateContext) {
std::string dex_location = GetScratchDir() + "/TestDex.jar";
std::string context_location = GetScratchDir() + "/ContextDex.jar";
Copy(GetDexSrc1(), dex_location);
Copy(GetDexSrc2(), context_location);
OatFileAssistant oat_file_assistant(dex_location.c_str(), kRuntimeISA, false);
std::string error_msg;
std::string context_str = "PCL[" + context_location + "]";
std::unique_ptr<ClassLoaderContext> context = ClassLoaderContext::Create(context_str);
ASSERT_TRUE(context != nullptr);
ASSERT_TRUE(context->OpenDexFiles(kRuntimeISA, ""));
// Update the context by overriding the jar file.
Copy(GetMultiDexSrc2(), context_location);
std::unique_ptr<ClassLoaderContext> updated_context = ClassLoaderContext::Create(context_str);
ASSERT_TRUE(updated_context != nullptr);
// DexOptNeeded should advise compilation from scratch.
EXPECT_EQ(OatFileAssistant::kDex2OatFromScratch,
oat_file_assistant.GetDexOptNeeded(
CompilerFilter::kDefaultCompilerFilter,
/* profile_changed= */ false,
/* downgrade= */ false,
updated_context.get()));
}
// Test that GetLocation of a dex file is the same whether the dex
// filed is backed by an oat file or not.
TEST_F(OatFileAssistantTest, GetDexLocation) {
std::string dex_location = GetScratchDir() + "/TestDex.jar";
std::string oat_location = GetOdexDir() + "/TestDex.odex";
// Start the runtime to initialize the system's class loader.
Thread::Current()->TransitionFromSuspendedToRunnable();
runtime_->Start();
Copy(GetDexSrc1(), dex_location);
std::vector<std::unique_ptr<const DexFile>> dex_files;
std::vector<std::string> error_msgs;
const OatFile* oat_file = nullptr;
dex_files = Runtime::Current()->GetOatFileManager().OpenDexFilesFromOat(
dex_location.c_str(),
Runtime::Current()->GetSystemClassLoader(),
/*dex_elements=*/nullptr,
&oat_file,
&error_msgs);
EXPECT_EQ(dex_files.size(), 1u);
EXPECT_EQ(oat_file, nullptr);
std::string stored_dex_location = dex_files[0]->GetLocation();
{
// Create the oat file.
std::vector<std::string> args;
args.push_back("--dex-file=" + dex_location);
args.push_back("--dex-location=TestDex.jar");
args.push_back("--oat-file=" + oat_location);
std::string error_msg;
ASSERT_TRUE(DexoptTest::Dex2Oat(args, &error_msg)) << error_msg;
}
dex_files = Runtime::Current()->GetOatFileManager().OpenDexFilesFromOat(
dex_location.c_str(),
Runtime::Current()->GetSystemClassLoader(),
/*dex_elements=*/nullptr,
&oat_file,
&error_msgs);
EXPECT_EQ(dex_files.size(), 1u);
EXPECT_NE(oat_file, nullptr);
std::string oat_stored_dex_location = dex_files[0]->GetLocation();
EXPECT_EQ(oat_stored_dex_location, stored_dex_location);
}
// Test that a dex file on the platform location gets the right hiddenapi domain,
// regardless of whether it has a backing oat file.
TEST_F(OatFileAssistantTest, SystemFrameworkDir) {
std::string filebase = "OatFileAssistantTestSystemFrameworkDir";
std::string dex_location = GetAndroidRoot() + "/framework/" + filebase + ".jar";
Copy(GetDexSrc1(), dex_location);
std::string odex_dir = GetAndroidRoot() + "/framework/oat/";
mkdir(odex_dir.c_str(), 0700);
odex_dir = odex_dir + std::string(GetInstructionSetString(kRuntimeISA));
mkdir(odex_dir.c_str(), 0700);
std::string oat_location = odex_dir + "/" + filebase + ".odex";
// Clean up in case previous run crashed.
remove(oat_location.c_str());
// Start the runtime to initialize the system's class loader.
Thread::Current()->TransitionFromSuspendedToRunnable();
runtime_->Start();
std::vector<std::unique_ptr<const DexFile>> dex_files_first;
std::vector<std::unique_ptr<const DexFile>> dex_files_second;
std::vector<std::string> error_msgs;
const OatFile* oat_file = nullptr;
dex_files_first = Runtime::Current()->GetOatFileManager().OpenDexFilesFromOat(
dex_location.c_str(),
Runtime::Current()->GetSystemClassLoader(),
/*dex_elements=*/nullptr,
&oat_file,
&error_msgs);
EXPECT_EQ(dex_files_first.size(), 1u);
EXPECT_EQ(oat_file, nullptr) << dex_location;
EXPECT_EQ(dex_files_first[0]->GetOatDexFile(), nullptr);
// Register the dex file to get a domain.
{
ScopedObjectAccess soa(Thread::Current());
Runtime::Current()->GetClassLinker()->RegisterDexFile(
*dex_files_first[0],
soa.Decode<mirror::ClassLoader>(Runtime::Current()->GetSystemClassLoader()));
}
std::string stored_dex_location = dex_files_first[0]->GetLocation();
EXPECT_EQ(dex_files_first[0]->GetHiddenapiDomain(), hiddenapi::Domain::kPlatform);
{
// Create the oat file.
std::vector<std::string> args;
args.push_back("--dex-file=" + dex_location);
args.push_back("--dex-location=" + filebase + ".jar");
args.push_back("--oat-file=" + oat_location);
std::string error_msg;
ASSERT_TRUE(DexoptTest::Dex2Oat(args, &error_msg)) << error_msg;
}
dex_files_second = Runtime::Current()->GetOatFileManager().OpenDexFilesFromOat(
dex_location.c_str(),
Runtime::Current()->GetSystemClassLoader(),
/*dex_elements=*/nullptr,
&oat_file,
&error_msgs);
EXPECT_EQ(dex_files_second.size(), 1u);
EXPECT_NE(oat_file, nullptr);
EXPECT_NE(dex_files_second[0]->GetOatDexFile(), nullptr);
EXPECT_NE(dex_files_second[0]->GetOatDexFile()->GetOatFile(), nullptr);
// Register the dex file to get a domain.
{
ScopedObjectAccess soa(Thread::Current());
Runtime::Current()->GetClassLinker()->RegisterDexFile(
*dex_files_second[0],
soa.Decode<mirror::ClassLoader>(Runtime::Current()->GetSystemClassLoader()));
}
std::string oat_stored_dex_location = dex_files_second[0]->GetLocation();
EXPECT_EQ(oat_stored_dex_location, stored_dex_location);
EXPECT_EQ(dex_files_second[0]->GetHiddenapiDomain(), hiddenapi::Domain::kPlatform);
EXPECT_EQ(0, remove(oat_location.c_str()));
}
// TODO: More Tests:
// * Test class linker falls back to unquickened dex for DexNoOat
// * Test class linker falls back to unquickened dex for MultiDexNoOat
// * Test using secondary isa
// * Test for status of oat while oat is being generated (how?)
// * Test case where 32 and 64 bit boot class paths differ,
// and we ask IsInBootClassPath for a class in exactly one of the 32 or
// 64 bit boot class paths.
// * Test unexpected scenarios (?):
// - Dex is stripped, don't have odex.
// - Oat file corrupted after status check, before reload unexecutable
// because it's unrelocated and no dex2oat
} // namespace art