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/*
* 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.
*/
#ifndef ART_RUNTIME_DEX2OAT_ENVIRONMENT_TEST_H_
#define ART_RUNTIME_DEX2OAT_ENVIRONMENT_TEST_H_
#include <fstream>
#include <string>
#include <vector>
#include <gtest/gtest.h>
#include "base/file_utils.h"
#include "base/os.h"
#include "base/stl_util.h"
#include "base/utils.h"
#include "common_runtime_test.h"
#include "compiler_callbacks.h"
#include "dex/art_dex_file_loader.h"
#include "dex/dex_file_loader.h"
#include "exec_utils.h"
#include "gc/heap.h"
#include "gc/space/image_space.h"
#include "oat_file_assistant.h"
#include "runtime.h"
namespace art {
// Test class that provides some helpers to set a test up for compilation using dex2oat.
class Dex2oatEnvironmentTest : public CommonRuntimeTest {
public:
void SetUp() override {
CommonRuntimeTest::SetUp();
const ArtDexFileLoader dex_file_loader;
// Create a scratch directory to work from.
// Get the realpath of the android data. The oat dir should always point to real location
// when generating oat files in dalvik-cache. This avoids complicating the unit tests
// when matching the expected paths.
UniqueCPtr<const char[]> android_data_real(realpath(android_data_.c_str(), nullptr));
ASSERT_TRUE(android_data_real != nullptr)
<< "Could not get the realpath of the android data" << android_data_ << strerror(errno);
scratch_dir_.assign(android_data_real.get());
scratch_dir_ += "/Dex2oatEnvironmentTest";
ASSERT_EQ(0, mkdir(scratch_dir_.c_str(), 0700));
// Create a subdirectory in scratch for odex files.
odex_oat_dir_ = scratch_dir_ + "/oat";
ASSERT_EQ(0, mkdir(odex_oat_dir_.c_str(), 0700));
odex_dir_ = odex_oat_dir_ + "/" + std::string(GetInstructionSetString(kRuntimeISA));
ASSERT_EQ(0, mkdir(odex_dir_.c_str(), 0700));
// Verify the environment is as we expect
std::vector<uint32_t> checksums;
std::string error_msg;
ASSERT_TRUE(OS::FileExists(GetSystemImageFile().c_str()))
<< "Expected pre-compiled boot image to be at: " << GetSystemImageFile();
ASSERT_TRUE(OS::FileExists(GetDexSrc1().c_str()))
<< "Expected dex file to be at: " << GetDexSrc1();
ASSERT_TRUE(OS::FileExists(GetStrippedDexSrc1().c_str()))
<< "Expected stripped dex file to be at: " << GetStrippedDexSrc1();
ASSERT_FALSE(
dex_file_loader.GetMultiDexChecksums(GetStrippedDexSrc1().c_str(), &checksums, &error_msg))
<< "Expected stripped dex file to be stripped: " << GetStrippedDexSrc1();
ASSERT_TRUE(OS::FileExists(GetDexSrc2().c_str()))
<< "Expected dex file to be at: " << GetDexSrc2();
// GetMultiDexSrc2 should have the same primary dex checksum as
// GetMultiDexSrc1, but a different secondary dex checksum.
static constexpr bool kVerifyChecksum = true;
std::vector<std::unique_ptr<const DexFile>> multi1;
ASSERT_TRUE(dex_file_loader.Open(GetMultiDexSrc1().c_str(),
GetMultiDexSrc1().c_str(),
/* verify= */ true,
kVerifyChecksum,
&error_msg,
&multi1)) << error_msg;
ASSERT_GT(multi1.size(), 1u);
std::vector<std::unique_ptr<const DexFile>> multi2;
ASSERT_TRUE(dex_file_loader.Open(GetMultiDexSrc2().c_str(),
GetMultiDexSrc2().c_str(),
/* verify= */ true,
kVerifyChecksum,
&error_msg,
&multi2)) << error_msg;
ASSERT_GT(multi2.size(), 1u);
ASSERT_EQ(multi1[0]->GetLocationChecksum(), multi2[0]->GetLocationChecksum());
ASSERT_NE(multi1[1]->GetLocationChecksum(), multi2[1]->GetLocationChecksum());
}
void SetUpRuntimeOptions(RuntimeOptions* options) override {
// options->push_back(std::make_pair("-verbose:oat", nullptr));
// Set up the image location.
options->push_back(std::make_pair("-Ximage:" + GetImageLocation(),
nullptr));
// Make sure compilercallbacks are not set so that relocation will be
// enabled.
callbacks_.reset();
}
void TearDown() override {
ClearDirectory(odex_dir_.c_str());
ASSERT_EQ(0, rmdir(odex_dir_.c_str()));
ClearDirectory(odex_oat_dir_.c_str());
ASSERT_EQ(0, rmdir(odex_oat_dir_.c_str()));
ClearDirectory(scratch_dir_.c_str());
ASSERT_EQ(0, rmdir(scratch_dir_.c_str()));
CommonRuntimeTest::TearDown();
}
static void Copy(const std::string& src, const std::string& dst) {
std::ifstream src_stream(src, std::ios::binary);
std::ofstream dst_stream(dst, std::ios::binary);
dst_stream << src_stream.rdbuf();
}
// Returns the directory where the pre-compiled core.art can be found.
// TODO: We should factor out this into common tests somewhere rather than
// re-hardcoding it here (This was copied originally from the elf writer
// test).
std::string GetImageDirectory() const {
if (IsHost()) {
const char* host_dir = getenv("ANDROID_HOST_OUT");
CHECK(host_dir != nullptr);
return std::string(host_dir) + "/framework";
} else {
return std::string("/data/art-test");
}
}
std::string GetImageLocation() const {
return GetImageDirectory() + "/core.art";
}
std::string GetSystemImageFile() const {
return GetImageDirectory() + "/" + GetInstructionSetString(kRuntimeISA)
+ "/core.art";
}
// Returns the path to an image location whose contents differ from the
// image at GetImageLocation(). This is used for testing mismatched
// image checksums in the oat_file_assistant_tests.
std::string GetImageLocation2() const {
return GetImageDirectory() + "/core-interpreter.art";
}
std::string GetDexSrc1() const {
return GetTestDexFileName("Main");
}
// Returns the path to a dex file equivalent to GetDexSrc1, but with the dex
// file stripped.
std::string GetStrippedDexSrc1() const {
return GetTestDexFileName("MainStripped");
}
std::string GetMultiDexSrc1() const {
return GetTestDexFileName("MultiDex");
}
// Returns the path to a multidex file equivalent to GetMultiDexSrc2, but
// with the contents of the secondary dex file changed.
std::string GetMultiDexSrc2() const {
return GetTestDexFileName("MultiDexModifiedSecondary");
}
std::string GetDexSrc2() const {
return GetTestDexFileName("Nested");
}
// Scratch directory, for dex and odex files (oat files will go in the
// dalvik cache).
const std::string& GetScratchDir() const {
return scratch_dir_;
}
// Odex directory is the subdirectory in the scratch directory where odex
// files should be located.
const std::string& GetOdexDir() const {
return odex_dir_;
}
private:
std::string scratch_dir_;
std::string odex_oat_dir_;
std::string odex_dir_;
};
} // namespace art
#endif // ART_RUNTIME_DEX2OAT_ENVIRONMENT_TEST_H_
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