Merge "Move TempDevice to test_util.h" (30820a38) · Commits · e / os / android_system_core

fs_mgr/libdm/dm_test.cpp

+0 −44

Original line number	Diff line number	Diff line
		@@ -47,50 +47,6 @@ TEST(libdm, HasMinimumTargets) {
		ASSERT_TRUE(dm.GetTargetByName("linear", &info));
		}

		// Helper to ensure that device mapper devices are released.
		class TempDevice {
		public:
		TempDevice(const std::string& name, const DmTable& table)
		: dm_(DeviceMapper::Instance()), name_(name), valid_(false) {
		valid_ = dm_.CreateDevice(name, table, &path_, 5s);
		}
		TempDevice(TempDevice&& other) noexcept
		: dm_(other.dm_), name_(other.name_), path_(other.path_), valid_(other.valid_) {
		other.valid_ = false;
		}
		~TempDevice() {
		if (valid_) {
		dm_.DeleteDevice(name_);
		}
		}
		bool Destroy() {
		if (!valid_) {
		return false;
		}
		valid_ = false;
		return dm_.DeleteDevice(name_);
		}
		std::string path() const { return path_; }
		const std::string& name() const { return name_; }
		bool valid() const { return valid_; }

		TempDevice(const TempDevice&) = delete;
		TempDevice& operator=(const TempDevice&) = delete;

		TempDevice& operator=(TempDevice&& other) noexcept {
		name_ = other.name_;
		valid_ = other.valid_;
		other.valid_ = false;
		return *this;
		}

		private:
		DeviceMapper& dm_;
		std::string name_;
		std::string path_;
		bool valid_;
		};

		TEST(libdm, DmLinear) {
		unique_fd tmp1(CreateTempFile("file_1", 4096));
		ASSERT_GE(tmp1, 0);

+48 −0

Original line number	Diff line number	Diff line
		@@ -20,8 +20,12 @@
		#include <android-base/unique_fd.h>
		#include <stddef.h>

		#include <chrono>
		#include <string>

		#include <libdm/dm.h>
		#include <libdm/dm_table.h>

		namespace android {
		namespace dm {

		@@ -29,6 +33,50 @@ namespace dm {
		// created with a fixed size.
		android::base::unique_fd CreateTempFile(const std::string& name, size_t size);

		// Helper to ensure that device mapper devices are released.
		class TempDevice {
		public:
		TempDevice(const std::string& name, const DmTable& table)
		: dm_(DeviceMapper::Instance()), name_(name), valid_(false) {
		valid_ = dm_.CreateDevice(name, table, &path_, std::chrono::seconds(5));
		}
		TempDevice(TempDevice&& other) noexcept
		: dm_(other.dm_), name_(other.name_), path_(other.path_), valid_(other.valid_) {
		other.valid_ = false;
		}
		~TempDevice() {
		if (valid_) {
		dm_.DeleteDevice(name_);
		}
		}
		bool Destroy() {
		if (!valid_) {
		return false;
		}
		valid_ = false;
		return dm_.DeleteDevice(name_);
		}
		std::string path() const { return path_; }
		const std::string& name() const { return name_; }
		bool valid() const { return valid_; }

		TempDevice(const TempDevice&) = delete;
		TempDevice& operator=(const TempDevice&) = delete;

		TempDevice& operator=(TempDevice&& other) noexcept {
		name_ = other.name_;
		valid_ = other.valid_;
		other.valid_ = false;
		return *this;
		}

		private:
		DeviceMapper& dm_;
		std::string name_;
		std::string path_;
		bool valid_;
		};

		} // namespace dm
		} // namespace android