540     std::unique_ptr<File> file(OS::OpenFileForReading(app_image_file.c_str()));  in CheckResult()  local
565       if (file != nullptr) {  in CheckResult()
566         EXPECT_EQ(file->GetLength(), 0u);  in CheckResult()
570       ASSERT_TRUE(file != nullptr) << app_image_file;  in CheckResult()
571       EXPECT_GT(file->GetLength(), 0u);  in CheckResult()
709     std::unique_ptr<File> file(OS::OpenFileForReading(image_file_name.c_str()));  in GetImageObjectSectionSize()  local
710     CHECK(file != nullptr);  in GetImageObjectSectionSize()
712     const bool success = file->ReadFully(&image_header, sizeof(image_header));  in GetImageObjectSectionSize()
837       std::unique_ptr<File> file(OS::OpenFileForReading(app_image_file_name.c_str()));  in CheckResult()  local
839       bool success = file->ReadFully(&image_header, sizeof(image_header));  in CheckResult()
1763 static void WriteBase64ToFile(const char* base64, File* file) {  in WriteBase64ToFile()  argument
1769   if (!file->WriteFully(bytes.get(), length)) {  in WriteBase64ToFile()
1814     FILE* file = fdopen(DupCloexec(apk_file.GetFd()), "w+b");  in TEST_F()  local
1815     ZipWriter writer(file);  in TEST_F()
1950     FILE* file = fdopen(DupCloexec(dm_file.GetFd()), "w+b");  in TEST_F()  local
1951     ZipWriter writer(file);  in TEST_F()
1952     auto write_all_bytes = [&](File* file) {  in TEST_F()  argument
1953       std::unique_ptr<uint8_t[]> bytes(new uint8_t[file->GetLength()]);  in TEST_F()
1954       ASSERT_TRUE(file->ReadFully(&bytes[0], file->GetLength()));  in TEST_F()
1955       ASSERT_GE(writer.WriteBytes(&bytes[0], file->GetLength()), 0);  in TEST_F()
2080     FILE* file = fdopen(DupCloexec(invalid_dex.GetFd()), "w+b");  in TEST_F()  local
2081     ZipWriter writer(file);  in TEST_F()
2122     FILE* file = fdopen(DupCloexec(invalid_dex_zip.GetFd()), "w+b");  in TEST_F()  local
2123     ZipWriter writer(file);  in TEST_F()