68 template <void (*Prepare)(std::string)>
79     loop_device_ = std::string("/dev/block/loop") + std::to_string(i);  in SetUp()
96   const static std::string loop_file_;
101   std::string loop_device_;
104 template <void (*Prepare)(std::string)>
105 const std::string LoopbackTestFixture<Prepare>::loop_file_ =
108 void PrepareBowDefault(std::string) {}  in PrepareBowDefault()
110 template <void (*PrepareLoop)(std::string),
111           void (*PrepareBow)(std::string) = PrepareBowDefault>
113   std::string GetTableStatus() {  in GetTableStatus()
114     std::vector<DeviceMapper::TargetInfo> targets;  in GetTableStatus()
133     table.AddTarget(std::make_unique<DmTargetBow>(0, loop_size_ / 512,  in SetUp()
161     std::string state_file = "/sys" + bow_device_.substr(4) + "/bow/state";  in SetState()
162     std::ofstream(state_file) << i;  in SetState()
165     std::ifstream(state_file) >> j;  in SetState()
189   std::vector<TableEntry> GetTable() {  in GetTable()
190     std::string status = GetTableStatus();  in GetTable()
191     std::istringstream i(status);  in GetTable()
192     std::vector<TableEntry> table;  in GetTable()
195       std::string s;  in GetTable()
226   std::string bow_device_;
229 void PrepareFile(std::string loop_file) {  in PrepareFile()
275   void FindChanged(std::vector<TableEntry> const& free, int expected_changed) {  in FindChanged()
303         std::string expected = "Sector " + std::to_string(i);  in FindChanged()
315       std::cout << std::hex << std::setw(2) << std::setfill('0')  in DumpSector0()
318         std::cout << std::endl;  in DumpSector0()
320         std::cout << " ";  in DumpSector0()
345     system(std::string("vdc checkpoint restoreCheckpoint " + loop_device_)  in WriteRestore()
358   std::vector<TableEntry> table = {  in TEST_F()
431 void PrepareFileSystem(std::string loop_file) {  in PrepareFileSystem()
433       system((std::string("dd if=/dev/zero bs=512 count=4096 of=") + loop_file)  in PrepareFileSystem()
440 void SetupFileSystem(std::string loop_device) {  in SetupFileSystem()
441   EXPECT_EQ(system((std::string("mke2fs ") + loop_device).c_str()), 0);  in SetupFileSystem()
444       system((std::string("mount ") + loop_device + " " MOUNT_POINT).c_str()),  in SetupFileSystem()
466       system((std::string("mount ") + bow_device_ + " " MOUNT_POINT).c_str()),  in TEST_F()
475       system((std::string("mount ") + loop_device_ + " " MOUNT_POINT).c_str()),  in TEST_F()
477   std::string contents;  in TEST_F()
478   std::ifstream(MOUNT_POINT "/file") >> contents;  in TEST_F()
479   EXPECT_EQ(contents, std::string("Changed"));  in TEST_F()
488       system((std::string("mount ") + bow_device_ + " " MOUNT_POINT).c_str()),  in TEST_F()
495   system((std::string("vdc checkpoint restoreCheckpoint ") + loop_device_)  in TEST_F()
498       system((std::string("mount ") + loop_device_ + " " MOUNT_POINT).c_str()),  in TEST_F()
500   std::string contents;  in TEST_F()
501   std::ifstream(MOUNT_POINT "/file") >> contents;  in TEST_F()
502   EXPECT_EQ(contents, std::string("Original"));  in TEST_F()