diff --git a/tests/input/Android.mk b/tests/input/Android.mk
new file mode 100644
index 0000000..3011b2e
--- /dev/null
+++ b/tests/input/Android.mk
@@ -0,0 +1,19 @@
+# Copyright (C) 2015 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.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/tests/input/evdev/Android.mk b/tests/input/evdev/Android.mk
new file mode 100644
index 0000000..167cbc2
--- /dev/null
+++ b/tests/input/evdev/Android.mk
@@ -0,0 +1,23 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_C_INCLUDES += hardware/libhardware/modules/input/evdev
+
+LOCAL_SRC_FILES:= \
+    InputDevice_test.cpp \
+    InputHub_test.cpp \
+    TestHelpers.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+    libinput_evdev \
+    liblog \
+    libutils
+
+LOCAL_CLANG := true
+LOCAL_CFLAGS += -Wall -Wextra -Wno-unused-parameter
+LOCAL_CPPFLAGS += -std=c++14
+
+LOCAL_MODULE := libinput_evdevtests
+LOCAL_MODULE_TAGS := tests
+
+include $(BUILD_NATIVE_TEST)
diff --git a/tests/input/evdev/InputDevice_test.cpp b/tests/input/evdev/InputDevice_test.cpp
new file mode 100644
index 0000000..a96d664
--- /dev/null
+++ b/tests/input/evdev/InputDevice_test.cpp
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#define LOG_TAG "InputHub_test"
+//#define LOG_NDEBUG 0
+
+#include <linux/input.h>
+
+#include <gtest/gtest.h>
+
+#include <utils/Timers.h>
+
+#include "InputDevice.h"
+#include "InputHub.h"
+
+// # of milliseconds to allow for timing measurements
+#define TIMING_TOLERANCE_MS 25
+
+#define MSC_ANDROID_TIME_SEC  0x6
+#define MSC_ANDROID_TIME_USEC 0x7
+
+namespace android {
+namespace tests {
+
+class MockInputDeviceNode : public InputDeviceNode {
+    virtual const std::string& getPath() const override { return mPath; }
+
+    virtual const std::string& getName() const override { return mName; }
+    virtual const std::string& getLocation() const override { return mLocation; }
+    virtual const std::string& getUniqueId() const override { return mUniqueId; }
+
+    virtual uint16_t getBusType() const override { return 0; }
+    virtual uint16_t getVendorId() const override { return 0; }
+    virtual uint16_t getProductId() const override { return 0; }
+    virtual uint16_t getVersion() const override { return 0; }
+
+    virtual bool hasKey(int32_t key) const { return false; }
+    virtual bool hasRelativeAxis(int axis) const { return false; }
+    virtual bool hasInputProperty(int property) const { return false; }
+
+    virtual int32_t getKeyState(int32_t key) const { return 0; }
+    virtual int32_t getSwitchState(int32_t sw) const { return 0; }
+    virtual const AbsoluteAxisInfo* getAbsoluteAxisInfo(int32_t axis) const { return nullptr; }
+    virtual status_t getAbsoluteAxisValue(int32_t axis, int32_t* outValue) const { return 0; }
+
+    virtual void vibrate(nsecs_t duration) {}
+    virtual void cancelVibrate(int32_t deviceId) {}
+
+    virtual void disableDriverKeyRepeat() {}
+
+private:
+    std::string mPath = "/test";
+    std::string mName = "Test Device";
+    std::string mLocation = "test/0";
+    std::string mUniqueId = "test-id";
+};
+
+TEST(EvdevDeviceTest, testOverrideTime) {
+    auto node = std::make_shared<MockInputDeviceNode>();
+    auto device = std::make_unique<EvdevDevice>(node);
+    ASSERT_TRUE(device != nullptr);
+
+    // Send two timestamp override events before an input event.
+    nsecs_t when = 2ULL;
+    InputEvent msc1 = { when, EV_MSC, MSC_ANDROID_TIME_SEC, 1 };
+    InputEvent msc2 = { when, EV_MSC, MSC_ANDROID_TIME_USEC, 900000 };
+
+    // Send a key down and syn. Should get the overridden timestamp.
+    InputEvent keyDown = { when, EV_KEY, KEY_HOME, 1 };
+    InputEvent syn = { when, EV_SYN, SYN_REPORT, 0 };
+
+    // Send a key up, which should be at the reported timestamp.
+    InputEvent keyUp = { when, EV_KEY, KEY_HOME, 0 };
+
+    device->processInput(msc1, when);
+    device->processInput(msc2, when);
+    device->processInput(keyDown, when);
+    device->processInput(syn, when);
+    device->processInput(keyUp, when);
+
+    nsecs_t expectedWhen = s2ns(1) + us2ns(900000);
+    EXPECT_EQ(expectedWhen, keyDown.when);
+    EXPECT_EQ(expectedWhen, syn.when);
+    EXPECT_EQ(when, keyUp.when);
+}
+
+TEST(EvdevDeviceTest, testWrongClockCorrection) {
+    auto node = std::make_shared<MockInputDeviceNode>();
+    auto device = std::make_unique<EvdevDevice>(node);
+    ASSERT_TRUE(device != nullptr);
+
+    auto now = systemTime(SYSTEM_TIME_MONOTONIC);
+
+    // Input event that supposedly comes from 1 minute in the future. In
+    // reality, the timestamps would be much further off.
+    InputEvent event = { now + s2ns(60), EV_KEY, KEY_HOME, 1 };
+
+    device->processInput(event, now);
+
+    EXPECT_NEAR(now, event.when, ms2ns(TIMING_TOLERANCE_MS));
+}
+
+TEST(EvdevDeviceTest, testClockCorrectionOk) {
+    auto node = std::make_shared<MockInputDeviceNode>();
+    auto device = std::make_unique<EvdevDevice>(node);
+    ASSERT_TRUE(device != nullptr);
+
+    auto now = systemTime(SYSTEM_TIME_MONOTONIC);
+
+    // Input event from now, but will be reported as if it came early.
+    InputEvent event = { now, EV_KEY, KEY_HOME, 1 };
+
+    // event_time parameter is 11 seconds in the past, so it looks like we used
+    // the wrong clock.
+    device->processInput(event, now - s2ns(11));
+
+    EXPECT_NEAR(now, event.when, ms2ns(TIMING_TOLERANCE_MS));
+}
+
+}  // namespace tests
+}  // namespace android
diff --git a/tests/input/evdev/InputHub_test.cpp b/tests/input/evdev/InputHub_test.cpp
new file mode 100644
index 0000000..f2c8edf
--- /dev/null
+++ b/tests/input/evdev/InputHub_test.cpp
@@ -0,0 +1,259 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#define LOG_TAG "InputHub_test"
+//#define LOG_NDEBUG 0
+
+#include <linux/input.h>
+
+#include <chrono>
+#include <memory>
+#include <mutex>
+
+#include <gtest/gtest.h>
+
+#include <utils/Log.h>
+#include <utils/StopWatch.h>
+#include <utils/Timers.h>
+
+#include "InputHub.h"
+#include "TestHelpers.h"
+
+// # of milliseconds to fudge stopwatch measurements
+#define TIMING_TOLERANCE_MS 25
+#define NO_TIMEOUT (-1)
+
+namespace android {
+namespace tests {
+
+using namespace std::literals::chrono_literals;
+
+using InputCbFunc = std::function<void(std::shared_ptr<InputDeviceNode>, InputEvent&, nsecs_t)>;
+using DeviceCbFunc = std::function<void(std::shared_ptr<InputDeviceNode>)>;
+
+static const InputCbFunc kNoopInputCb = [](std::shared_ptr<InputDeviceNode>, InputEvent&, nsecs_t){};
+static const DeviceCbFunc kNoopDeviceCb = [](std::shared_ptr<InputDeviceNode>){};
+
+class TestInputCallback : public InputCallbackInterface {
+public:
+    TestInputCallback() :
+        mInputCb(kNoopInputCb), mDeviceAddedCb(kNoopDeviceCb), mDeviceRemovedCb(kNoopDeviceCb) {}
+    virtual ~TestInputCallback() = default;
+
+    void setInputCallback(InputCbFunc cb) { mInputCb = cb; }
+    void setDeviceAddedCallback(DeviceCbFunc cb) { mDeviceAddedCb = cb; }
+    void setDeviceRemovedCallback(DeviceCbFunc cb) { mDeviceRemovedCb = cb; }
+
+    virtual void onInputEvent(std::shared_ptr<InputDeviceNode> node, InputEvent& event,
+            nsecs_t event_time) override {
+        mInputCb(node, event, event_time);
+    }
+    virtual void onDeviceAdded(std::shared_ptr<InputDeviceNode> node) override {
+        mDeviceAddedCb(node);
+    }
+    virtual void onDeviceRemoved(std::shared_ptr<InputDeviceNode> node) override {
+        mDeviceRemovedCb(node);
+    }
+
+private:
+    InputCbFunc mInputCb;
+    DeviceCbFunc mDeviceAddedCb;
+    DeviceCbFunc mDeviceRemovedCb;
+};
+
+class InputHubTest : public ::testing::Test {
+ protected:
+     virtual void SetUp() {
+         mCallback = std::make_shared<TestInputCallback>();
+         mInputHub = std::make_shared<InputHub>(mCallback);
+     }
+
+     std::shared_ptr<TestInputCallback> mCallback;
+     std::shared_ptr<InputHub> mInputHub;
+};
+
+TEST_F(InputHubTest, testWake) {
+    // Call wake() after 100ms.
+    auto f = delay_async(100ms, [&]() { EXPECT_EQ(OK, mInputHub->wake()); });
+
+    StopWatch stopWatch("poll");
+    EXPECT_EQ(OK, mInputHub->poll());
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS);
+}
+
+TEST_F(InputHubTest, DISABLED_testDeviceAdded) {
+    auto tempDir = std::make_shared<TempDir>();
+    std::string pathname;
+    // Expect that this callback will run and set handle and pathname.
+    mCallback->setDeviceAddedCallback(
+            [&](std::shared_ptr<InputDeviceNode> node) {
+                pathname = node->getPath();
+            });
+
+    ASSERT_EQ(OK, mInputHub->registerDevicePath(tempDir->getName()));
+
+    // Create a new file in tempDir after 100ms.
+    std::unique_ptr<TempFile> tempFile;
+    std::mutex tempFileMutex;
+    auto f = delay_async(100ms,
+            [&]() {
+                std::lock_guard<std::mutex> lock(tempFileMutex);
+                tempFile.reset(tempDir->newTempFile());
+            });
+
+    StopWatch stopWatch("poll");
+    EXPECT_EQ(OK, mInputHub->poll());
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+
+    EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS);
+    std::lock_guard<std::mutex> lock(tempFileMutex);
+    EXPECT_EQ(tempFile->getName(), pathname);
+}
+
+TEST_F(InputHubTest, DISABLED_testDeviceRemoved) {
+    // Create a temp dir and file. Save its name and handle (to be filled in
+    // once InputHub scans the dir).
+    auto tempDir = std::make_unique<TempDir>();
+    auto deviceFile = std::unique_ptr<TempFile>(tempDir->newTempFile());
+    std::string tempFileName(deviceFile->getName());
+
+    std::shared_ptr<InputDeviceNode> tempNode;
+    // Expect that these callbacks will run for the above device file.
+    mCallback->setDeviceAddedCallback(
+            [&](std::shared_ptr<InputDeviceNode> node) {
+                tempNode = node;
+            });
+    mCallback->setDeviceRemovedCallback(
+            [&](std::shared_ptr<InputDeviceNode> node) {
+                EXPECT_EQ(tempNode, node);
+            });
+
+    ASSERT_EQ(OK, mInputHub->registerDevicePath(tempDir->getName()));
+    // Ensure that tempDir was scanned to find the device.
+    ASSERT_TRUE(tempNode != nullptr);
+
+    auto f = delay_async(100ms, [&]() { deviceFile.reset(); });
+
+    StopWatch stopWatch("poll");
+    EXPECT_EQ(OK, mInputHub->poll());
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS);
+}
+
+TEST_F(InputHubTest, DISABLED_testInputEvent) {
+    // Create a temp dir and file. Save its name and handle (to be filled in
+    // once InputHub scans the dir.)
+    auto tempDir = std::make_unique<TempDir>();
+    auto deviceFile = std::unique_ptr<TempFile>(tempDir->newTempFile());
+    std::string tempFileName(deviceFile->getName());
+
+    // Send a key event corresponding to HOME.
+    struct input_event iev;
+    iev.time = { 1, 0 };
+    iev.type = EV_KEY;
+    iev.code = KEY_HOME;
+    iev.value = 0x01;
+
+    auto inputDelayMs = 100ms;
+    auto f = delay_async(inputDelayMs, [&] {
+                ssize_t nWrite = TEMP_FAILURE_RETRY(write(deviceFile->getFd(), &iev, sizeof(iev)));
+
+                ASSERT_EQ(static_cast<ssize_t>(sizeof(iev)), nWrite) << "could not write to "
+                    << deviceFile->getFd() << ". errno: " << errno;
+            });
+
+    // Expect this callback to run when the input event is read.
+    nsecs_t expectedWhen = systemTime(CLOCK_MONOTONIC) + ms2ns(inputDelayMs.count());
+    mCallback->setInputCallback(
+            [&](std::shared_ptr<InputDeviceNode> node, InputEvent& event, nsecs_t event_time) {
+                EXPECT_NEAR(expectedWhen, event_time, ms2ns(TIMING_TOLERANCE_MS));
+                EXPECT_EQ(s2ns(1), event.when);
+                EXPECT_EQ(tempFileName, node->getPath());
+                EXPECT_EQ(EV_KEY, event.type);
+                EXPECT_EQ(KEY_HOME, event.code);
+                EXPECT_EQ(0x01, event.value);
+            });
+    ASSERT_EQ(OK, mInputHub->registerDevicePath(tempDir->getName()));
+
+    StopWatch stopWatch("poll");
+    EXPECT_EQ(OK, mInputHub->poll());
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS);
+}
+
+TEST_F(InputHubTest, DISABLED_testCallbackOrder) {
+    // Create two "devices": one to receive input and the other to go away.
+    auto tempDir = std::make_unique<TempDir>();
+    auto deviceFile1 = std::unique_ptr<TempFile>(tempDir->newTempFile());
+    auto deviceFile2 = std::unique_ptr<TempFile>(tempDir->newTempFile());
+    std::string tempFileName(deviceFile2->getName());
+
+    bool inputCallbackFinished = false, deviceCallbackFinished = false;
+
+    // Setup the callback for input events. Should run before the device
+    // callback.
+    mCallback->setInputCallback(
+            [&](std::shared_ptr<InputDeviceNode>, InputEvent&, nsecs_t) {
+                ASSERT_FALSE(deviceCallbackFinished);
+                inputCallbackFinished = true;
+            });
+
+    // Setup the callback for device removal. Should run after the input
+    // callback.
+    mCallback->setDeviceRemovedCallback(
+            [&](std::shared_ptr<InputDeviceNode> node) {
+                ASSERT_TRUE(inputCallbackFinished)
+                    << "input callback did not run before device changed callback";
+                // Make sure the correct device was removed.
+                EXPECT_EQ(tempFileName, node->getPath());
+                deviceCallbackFinished = true;
+            });
+    ASSERT_EQ(OK, mInputHub->registerDevicePath(tempDir->getName()));
+
+    auto f = delay_async(100ms,
+            [&]() {
+                // Delete the second device file first.
+                deviceFile2.reset();
+
+                // Then inject an input event into the first device.
+                struct input_event iev;
+                iev.time = { 1, 0 };
+                iev.type = EV_KEY;
+                iev.code = KEY_HOME;
+                iev.value = 0x01;
+
+                ssize_t nWrite = TEMP_FAILURE_RETRY(write(deviceFile1->getFd(), &iev, sizeof(iev)));
+
+                ASSERT_EQ(static_cast<ssize_t>(sizeof(iev)), nWrite) << "could not write to "
+                    << deviceFile1->getFd() << ". errno: " << errno;
+            });
+
+    StopWatch stopWatch("poll");
+    EXPECT_EQ(OK, mInputHub->poll());
+    int32_t elapsedMillis = ns2ms(stopWatch.elapsedTime());
+
+    EXPECT_NEAR(100, elapsedMillis, TIMING_TOLERANCE_MS);
+    EXPECT_TRUE(inputCallbackFinished);
+    EXPECT_TRUE(deviceCallbackFinished);
+}
+
+}  // namespace tests
+}  // namespace android
diff --git a/tests/input/evdev/TestHelpers.cpp b/tests/input/evdev/TestHelpers.cpp
new file mode 100644
index 0000000..63b579e
--- /dev/null
+++ b/tests/input/evdev/TestHelpers.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#define LOG_TAG "TestHelpers"
+#define LOG_NDEBUG 0
+
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <utils/Log.h>
+
+#include "TestHelpers.h"
+
+namespace android {
+
+static const char kTmpDirTemplate[] = "/data/local/tmp/XXXXXX";
+
+TempFile::TempFile(const char* path) {
+    bool needTrailingSlash = path[strlen(path) - 1] != '/';
+    // name = path + XXXXXX + \0
+    size_t nameLen = strlen(path) + 6 + 1;
+    if (needTrailingSlash) nameLen++;
+
+    mName = new char[nameLen];
+    strcpy(mName, path);
+    if (needTrailingSlash) {
+        strcat(mName, "/");
+    }
+    strcat(mName, "XXXXXX");
+    mName = mktemp(mName);
+    LOG_FATAL_IF(mName == nullptr, "could not create temp filename %s. errno=%d", mName, errno);
+
+    int result = TEMP_FAILURE_RETRY(mkfifo(mName, S_IRWXU));
+    LOG_FATAL_IF(result < 0, "could not create fifo %s. errno=%d", mName, errno);
+
+    mFd = TEMP_FAILURE_RETRY(open(mName, O_RDWR | O_NONBLOCK));
+    LOG_FATAL_IF(mFd < 0, "could not open fifo %s. errno=%d", mName, errno);
+}
+
+TempFile::~TempFile() {
+    if (unlink(mName) < 0) {
+        ALOGE("could not unlink %s. errno=%d", mName, errno);
+    }
+    if (close(mFd) < 0) {
+        ALOGE("could not close %d. errno=%d", mFd, errno);
+    }
+    delete[] mName;
+}
+
+TempDir::TempDir() {
+    mName = new char[sizeof(kTmpDirTemplate)];
+    strcpy(mName, kTmpDirTemplate);
+    mName = mkdtemp(mName);
+    LOG_FATAL_IF(mName == nullptr, "could not allocate tempdir %s", mName);
+}
+
+TempDir::~TempDir() {
+    auto tmpDir = opendir(mName);
+    while (auto entry = readdir(tmpDir)) {
+        if (strcmp(entry->d_name, ".") == 0 ||
+            strcmp(entry->d_name, "..") == 0) {
+            continue;
+        }
+        ALOGD("stale file %s, removing", entry->d_name);
+        unlink(entry->d_name);
+    }
+    closedir(tmpDir);
+    rmdir(mName);
+    delete mName;
+}
+
+TempFile* TempDir::newTempFile() {
+    return new TempFile(mName);
+}
+
+}  // namespace android
diff --git a/tests/input/evdev/TestHelpers.h b/tests/input/evdev/TestHelpers.h
new file mode 100644
index 0000000..461db04
--- /dev/null
+++ b/tests/input/evdev/TestHelpers.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#ifndef ANDROID_TEST_HELPERS_H_
+#define ANDROID_TEST_HELPERS_H_
+
+#include <future>
+#include <thread>
+
+namespace android {
+
+/**
+ * Runs the given function after the specified delay.
+ * NOTE: if the std::future returned from std::async is not bound, this function
+ * will block until the task completes. This is almost certainly NOT what you
+ * want, so save the return value from delay_async into a variable:
+ *
+ * auto f = delay_async(100ms, []{ ALOGD("Hello world"); });
+ */
+template<class Function, class Duration>
+decltype(auto) delay_async(Duration&& delay, Function&& task)
+{
+    return std::async(std::launch::async, [=]{ std::this_thread::sleep_for(delay); task(); });
+}
+
+/**
+ * Creates and opens a temporary file at the given path. The file is unlinked
+ * and closed in the destructor.
+ */
+class TempFile {
+public:
+    TempFile(const char* path);
+    ~TempFile();
+
+    // No copy or assign
+    TempFile(const TempFile&) = delete;
+    TempFile& operator=(const TempFile&) = delete;
+
+    const char* getName() const { return mName; }
+    int getFd() const { return mFd; }
+
+private:
+    char* mName;
+    int mFd;
+};
+
+/**
+ * Creates a temporary directory that can create temporary files. The directory
+ * is emptied and deleted in the destructor.
+ */
+class TempDir {
+public:
+    TempDir();
+    ~TempDir();
+
+    // No copy or assign
+    TempDir(const TempDir&) = delete;
+    TempDir& operator=(const TempDir&) = delete;
+
+    const char* getName() const { return mName; }
+
+    TempFile* newTempFile();
+
+private:
+    char* mName;
+};
+
+}  // namespace android
+
+#endif  // ANDROID_TEST_HELPERS_H_