/*
* Copyright ( C ) 2019 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 <sys/types.h>
#include <memory>
#include <string>
#include <string_view>
#include <android-base/file.h>
#include <dex/dex_file.h>
#include <gtest/gtest.h>
#include "art_api/dex_file_support.h"
#include "dex_file_test_data.h"
namespace art_api {
namespace dex {
TEST(DexFileTest, create) {
size_t size = sizeof (kDexData);
std::unique_ptr<DexFile> dex_file;
EXPECT_TRUE(DexFile::Create(kDexData, size, &size, "" , &dex_file).Ok());
EXPECT_EQ(size, sizeof (kDexData));
EXPECT_NE(dex_file, nullptr);
}
TEST(DexFileTest, create_header_too_small) {
size_t size = sizeof (art::DexFile::Header) - 1 ;
std::unique_ptr<DexFile> dex_file;
DexFile::Error error = DexFile::Create(kDexData, size, &size, "" , &dex_file);
EXPECT_FALSE(error.Ok());
EXPECT_EQ(error.Code(), ADEXFILE_ERROR_NOT_ENOUGH_DATA);
EXPECT_STREQ(error.ToString(), "Not enough data. Incomplete dex file." );
EXPECT_EQ(size, sizeof (art::DexFile::Header));
EXPECT_EQ(dex_file, nullptr);
}
TEST(DexFileTest, create_file_too_small) {
size_t size = sizeof (art::DexFile::Header);
std::unique_ptr<DexFile> dex_file;
DexFile::Error error = DexFile::Create(kDexData, size, &size, "" , &dex_file);
EXPECT_FALSE(error.Ok());
EXPECT_EQ(error.Code(), ADEXFILE_ERROR_NOT_ENOUGH_DATA);
EXPECT_STREQ(error.ToString(), "Not enough data. Incomplete dex file." );
EXPECT_EQ(size, sizeof (kDexData));
EXPECT_EQ(dex_file, nullptr);
}
static std::unique_ptr<DexFile> GetTestDexData() {
size_t size = sizeof (kDexData);
std::unique_ptr<DexFile> dex_file;
EXPECT_TRUE(DexFile::Create(kDexData, size, &size, "" , &dex_file).Ok());
EXPECT_EQ(size, sizeof (kDexData));
EXPECT_NE(dex_file, nullptr);
return dex_file;
}
TEST(DexFileTest, findMethodAtOffset) {
std::unique_ptr<DexFile> dex_file = GetTestDexData();
ASSERT_NE(dex_file, nullptr);
bool found_init = false ;
auto check_init = [&](const DexFile::Method& method) {
size_t size;
size_t offset = method.GetCodeOffset(&size);
EXPECT_EQ(offset, 0 x100u);
EXPECT_EQ(size, 8 u);
EXPECT_STREQ(method.GetName(), "<init>" );
EXPECT_STREQ(method.GetQualifiedName(), "Main.<init>" );
EXPECT_STREQ(method.GetQualifiedName(true ), "void Main.<init>()" );
EXPECT_STREQ(method.GetClassDescriptor(), "LMain;" );
found_init = true ;
};
EXPECT_EQ(dex_file->FindMethodAtOffset(0 x102, check_init), 1 u);
EXPECT_TRUE(found_init);
bool found_main = false ;
auto check_main = [&](const DexFile::Method& method) {
size_t size;
size_t offset = method.GetCodeOffset(&size);
EXPECT_EQ(offset, 0 x118u);
EXPECT_EQ(size, 2 u);
EXPECT_STREQ(method.GetName(), "main" );
EXPECT_STREQ(method.GetQualifiedName(), "Main.main" );
EXPECT_STREQ(method.GetQualifiedName(true ), "void Main.main(java.lang.String[])" );
EXPECT_STREQ(method.GetClassDescriptor(), "LMain;" );
found_main = true ;
};
EXPECT_EQ(dex_file->FindMethodAtOffset(0 x118, check_main), 1 u);
EXPECT_TRUE(found_main);
}
TEST(DexFileTest, get_method_info_for_offset_boundaries) {
std::unique_ptr<DexFile> dex_file = GetTestDexData();
ASSERT_NE(dex_file, nullptr);
EXPECT_EQ(dex_file->FindMethodAtOffset(0 x99, [](auto ){}), 0 );
EXPECT_EQ(dex_file->FindMethodAtOffset(0 x100, [](auto ){}), 1 );
EXPECT_EQ(dex_file->FindMethodAtOffset(0 x107, [](auto ){}), 1 );
EXPECT_EQ(dex_file->FindMethodAtOffset(0 x108, [](auto ){}), 0 );
EXPECT_EQ(dex_file->FindMethodAtOffset(0 x100000, [](auto ){}), 0 );
}
TEST(DexFileTest, get_all_method_infos_without_signature) {
std::unique_ptr<DexFile> dex_file = GetTestDexData();
ASSERT_NE(dex_file, nullptr);
std::vector<std::string> names;
auto add = [&](const DexFile::Method& method) { names.push_back(method.GetQualifiedName()); };
EXPECT_EQ(dex_file->ForEachMethod(add), 2 u);
EXPECT_EQ(names, std::vector<std::string>({"Main.<init>" , "Main.main" }));
}
} // namespace dex
} // namespace art_api
Messung V0.5 in Prozent C=90 H=93 G=91
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-29)
¤
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