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/*
* Copyright (C) 2017 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 <gtest/gtest.h>
#include "android-base/stringprintf.h"
#include "base/stl_util.h"
#include "dexopt_test.h"
#include "noop_compiler_callbacks.h"
namespace art {
namespace gc {
namespace space {
TEST_F(DexoptTest, ValidateOatFile) {
std::string dex1 = GetScratchDir() + "/Dex1.jar";
std::string multidex1 = GetScratchDir() + "/MultiDex1.jar";
std::string dex2 = GetScratchDir() + "/Dex2.jar";
std::string oat_location = GetScratchDir() + "/Oat.oat";
Copy(GetDexSrc1(), dex1);
Copy(GetMultiDexSrc1(), multidex1);
Copy(GetDexSrc2(), dex2);
std::string error_msg;
std::vector<std::string> args;
args.push_back("--dex-file=" + dex1);
args.push_back("--dex-file=" + multidex1);
args.push_back("--dex-file=" + dex2);
args.push_back("--oat-file=" + oat_location);
ASSERT_TRUE(Dex2Oat(args, &error_msg)) << error_msg;
std::unique_ptr<OatFile> oat(OatFile::Open(/*zip_fd=*/ -1,
oat_location.c_str(),
oat_location.c_str(),
/*executable=*/ false,
/*low_4gb=*/ false,
/*abs_dex_location=*/ nullptr,
/*reservation=*/ nullptr,
&error_msg));
ASSERT_TRUE(oat != nullptr) << error_msg;
// Originally all the dex checksums should be up to date.
EXPECT_TRUE(ImageSpace::ValidateOatFile(*oat, &error_msg)) << error_msg;
// Invalidate the dex1 checksum.
Copy(GetDexSrc2(), dex1);
EXPECT_FALSE(ImageSpace::ValidateOatFile(*oat, &error_msg));
// Restore the dex1 checksum.
Copy(GetDexSrc1(), dex1);
EXPECT_TRUE(ImageSpace::ValidateOatFile(*oat, &error_msg)) << error_msg;
// Invalidate the non-main multidex checksum.
Copy(GetMultiDexSrc2(), multidex1);
EXPECT_FALSE(ImageSpace::ValidateOatFile(*oat, &error_msg));
// Restore the multidex checksum.
Copy(GetMultiDexSrc1(), multidex1);
EXPECT_TRUE(ImageSpace::ValidateOatFile(*oat, &error_msg)) << error_msg;
// Invalidate the dex2 checksum.
Copy(GetDexSrc1(), dex2);
EXPECT_FALSE(ImageSpace::ValidateOatFile(*oat, &error_msg));
// restore the dex2 checksum.
Copy(GetDexSrc2(), dex2);
EXPECT_TRUE(ImageSpace::ValidateOatFile(*oat, &error_msg)) << error_msg;
// Replace the multidex file with a non-multidex file.
Copy(GetDexSrc1(), multidex1);
EXPECT_FALSE(ImageSpace::ValidateOatFile(*oat, &error_msg));
// Restore the multidex file
Copy(GetMultiDexSrc1(), multidex1);
EXPECT_TRUE(ImageSpace::ValidateOatFile(*oat, &error_msg)) << error_msg;
// Replace dex1 with a multidex file.
Copy(GetMultiDexSrc1(), dex1);
EXPECT_FALSE(ImageSpace::ValidateOatFile(*oat, &error_msg));
// Restore the dex1 file.
Copy(GetDexSrc1(), dex1);
EXPECT_TRUE(ImageSpace::ValidateOatFile(*oat, &error_msg)) << error_msg;
// Remove the dex2 file.
EXPECT_EQ(0, unlink(dex2.c_str()));
EXPECT_FALSE(ImageSpace::ValidateOatFile(*oat, &error_msg));
// Restore the dex2 file.
Copy(GetDexSrc2(), dex2);
EXPECT_TRUE(ImageSpace::ValidateOatFile(*oat, &error_msg)) << error_msg;
// Remove the multidex file.
EXPECT_EQ(0, unlink(multidex1.c_str()));
EXPECT_FALSE(ImageSpace::ValidateOatFile(*oat, &error_msg));
}
template <bool kImage, bool kRelocate, bool kImageDex2oat>
class ImageSpaceLoadingTest : public CommonRuntimeTest {
protected:
void SetUpRuntimeOptions(RuntimeOptions* options) override {
if (kImage) {
options->emplace_back(android::base::StringPrintf("-Ximage:%s", GetCoreArtLocation().c_str()),
nullptr);
}
options->emplace_back(kRelocate ? "-Xrelocate" : "-Xnorelocate", nullptr);
options->emplace_back(kImageDex2oat ? "-Ximage-dex2oat" : "-Xnoimage-dex2oat", nullptr);
// We want to test the relocation behavior of ImageSpace. As such, don't pretend we're a
// compiler.
callbacks_.reset();
// Clear DEX2OATBOOTCLASSPATH environment variable used for boot image compilation.
// We don't want that environment variable to affect the behavior of this test.
CHECK(old_dex2oat_bcp_ == nullptr);
const char* old_dex2oat_bcp = getenv("DEX2OATBOOTCLASSPATH");
if (old_dex2oat_bcp != nullptr) {
old_dex2oat_bcp_.reset(strdup(old_dex2oat_bcp));
CHECK(old_dex2oat_bcp_ != nullptr);
unsetenv("DEX2OATBOOTCLASSPATH");
}
}
void TearDown() override {
if (old_dex2oat_bcp_ != nullptr) {
int result = setenv("DEX2OATBOOTCLASSPATH", old_dex2oat_bcp_.get(), /* replace */ 0);
CHECK_EQ(result, 0);
old_dex2oat_bcp_.reset();
}
}
private:
UniqueCPtr<const char[]> old_dex2oat_bcp_;
};
using ImageSpaceDex2oatTest = ImageSpaceLoadingTest<false, true, true>;
TEST_F(ImageSpaceDex2oatTest, Test) {
EXPECT_FALSE(Runtime::Current()->GetHeap()->GetBootImageSpaces().empty());
}
using ImageSpaceNoDex2oatTest = ImageSpaceLoadingTest<true, true, false>;
TEST_F(ImageSpaceNoDex2oatTest, Test) {
EXPECT_FALSE(Runtime::Current()->GetHeap()->GetBootImageSpaces().empty());
}
using ImageSpaceNoRelocateNoDex2oatTest = ImageSpaceLoadingTest<true, false, false>;
TEST_F(ImageSpaceNoRelocateNoDex2oatTest, Test) {
EXPECT_FALSE(Runtime::Current()->GetHeap()->GetBootImageSpaces().empty());
}
class NoAccessAndroidDataTest : public ImageSpaceLoadingTest<false, true, true> {
protected:
void SetUpRuntimeOptions(RuntimeOptions* options) override {
const char* android_data = getenv("ANDROID_DATA");
CHECK(android_data != nullptr);
old_android_data_ = android_data;
bad_android_data_ = old_android_data_ + "/no-android-data";
int result = setenv("ANDROID_DATA", bad_android_data_.c_str(), /* replace */ 1);
CHECK_EQ(result, 0) << strerror(errno);
result = mkdir(bad_android_data_.c_str(), /* mode */ 0700);
CHECK_EQ(result, 0) << strerror(errno);
// Create a regular file "dalvik_cache". GetDalvikCache() shall get EEXIST
// when trying to create a directory with the same name and creating a
// subdirectory for a particular architecture shall fail.
bad_dalvik_cache_ = bad_android_data_ + "/dalvik-cache";
int fd = creat(bad_dalvik_cache_.c_str(), /* mode */ 0);
CHECK_NE(fd, -1) << strerror(errno);
result = close(fd);
CHECK_EQ(result, 0) << strerror(errno);
ImageSpaceLoadingTest<false, true, true>::SetUpRuntimeOptions(options);
}
void TearDown() override {
int result = unlink(bad_dalvik_cache_.c_str());
CHECK_EQ(result, 0) << strerror(errno);
result = rmdir(bad_android_data_.c_str());
CHECK_EQ(result, 0) << strerror(errno);
result = setenv("ANDROID_DATA", old_android_data_.c_str(), /* replace */ 1);
CHECK_EQ(result, 0) << strerror(errno);
ImageSpaceLoadingTest<false, true, true>::TearDown();
}
private:
std::string old_android_data_;
std::string bad_android_data_;
std::string bad_dalvik_cache_;
};
TEST_F(NoAccessAndroidDataTest, Test) {
EXPECT_TRUE(Runtime::Current()->GetHeap()->GetBootImageSpaces().empty());
}
} // namespace space
} // namespace gc
} // namespace art