diff --git a/thermal/utils/Android.bp b/thermal/utils/Android.bp
new file mode 100644
index 0000000..72e1e34
--- /dev/null
+++ b/thermal/utils/Android.bp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_library_static {
+    name: "libthermalutils",
+    vendor_available: true,
+    export_include_dirs: ["include"],
+    srcs: [
+        "ThermalHidlWrapper.cpp",
+    ],
+
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+
+    shared_libs: [
+        "android.hardware.thermal@2.0",
+        "android.hardware.thermal-V1-ndk",
+    ],
+}
diff --git a/thermal/utils/ThermalHidlWrapper.cpp b/thermal/utils/ThermalHidlWrapper.cpp
new file mode 100644
index 0000000..05a992a
--- /dev/null
+++ b/thermal/utils/ThermalHidlWrapper.cpp
@@ -0,0 +1,305 @@
+/*
+ * Copyright (C) 2023 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 "include/thermalutils/ThermalHidlWrapper.h"
+
+#include <hidl/HidlTransportSupport.h>
+
+#include <cmath>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace thermal {
+
+using ::android::hardware::Void;
+
+namespace {
+
+template <typename T, typename U>
+Return<void> setFailureAndCallback(T _hidl_cb, hidl_vec<U> data, std::string_view debug_msg) {
+    ThermalStatus status;
+    status.code = ThermalStatusCode::FAILURE;
+    status.debugMessage = debug_msg.data();
+    _hidl_cb(status, data);
+    return Void();
+}
+
+template <typename T>
+Return<void> setFailureAndCallback(T _hidl_cb, std::string_view debug_msg) {
+    ThermalStatus status;
+    status.code = ThermalStatusCode::FAILURE;
+    status.debugMessage = debug_msg.data();
+    _hidl_cb(status);
+    return Void();
+}
+
+template <typename T, typename U>
+Return<void> setInitFailureAndCallback(T _hidl_cb, hidl_vec<U> data) {
+    return setFailureAndCallback(
+            _hidl_cb, data, "Thermal AIDL HAL client used by HIDL wrapper was not initialized");
+}
+
+template <typename T>
+Return<void> setInitFailureAndCallback(T _hidl_cb) {
+    return setFailureAndCallback(
+            _hidl_cb, "Thermal AIDL HAL client used by HIDL wrapper was not initialized");
+}
+
+template <typename T, typename U>
+Return<void> setUnsupportedFailureAndCallback(T _hidl_cb, hidl_vec<U> data) {
+    return setFailureAndCallback(_hidl_cb, data, "Operation unsupported by Thermal HIDL wrapper");
+}
+
+TemperatureType_2_0 convertAidlTemperatureType(const TemperatureType& type) {
+    if (type < TemperatureType::CPU || type > TemperatureType::NPU) {
+        return TemperatureType_2_0::UNKNOWN;
+    }
+    return static_cast<TemperatureType_2_0>(type);
+}
+
+CoolingType_2_0 convertAidlCoolingType(const CoolingType& type) {
+    if (type < CoolingType::FAN || type > CoolingType::COMPONENT) {
+        return CoolingType_2_0::COMPONENT;
+    }
+    return static_cast<CoolingType_2_0>(type);
+}
+
+Temperature_2_0 convertAidlTemperature(const Temperature& temperature) {
+    Temperature_2_0 t = Temperature_2_0{
+            convertAidlTemperatureType(temperature.type), temperature.name, temperature.value,
+            static_cast<ThrottlingSeverity_2_0>(temperature.throttlingStatus)};
+    return t;
+}
+
+CoolingDevice_2_0 convertAidlCoolingDevice(const CoolingDevice& cooling_device) {
+    CoolingDevice_2_0 t =
+            CoolingDevice_2_0{convertAidlCoolingType(cooling_device.type), cooling_device.name,
+                              static_cast<uint64_t>(cooling_device.value)};
+    return t;
+}
+TemperatureThreshold_2_0 convertAidlTemperatureThreshold(const TemperatureThreshold& threshold) {
+    TemperatureThreshold_2_0 t =
+            TemperatureThreshold_2_0{convertAidlTemperatureType(threshold.type), threshold.name,
+                                     threshold.hotThrottlingThresholds.data(),
+                                     threshold.coldThrottlingThresholds.data(), NAN};
+    return t;
+}
+
+}  // namespace
+
+// Methods from ::android::hardware::thermal::V1_0::IThermal follow.
+Return<void> ThermalHidlWrapper::getTemperatures(getTemperatures_cb _hidl_cb) {
+    hidl_vec<Temperature_1_0> ret_1_0;
+    setUnsupportedFailureAndCallback(_hidl_cb, ret_1_0);
+    return Void();
+}
+
+Return<void> ThermalHidlWrapper::getCpuUsages(
+        std::function<void(const ThermalStatus&, const hidl_vec<CpuUsage>&)> _hidl_cb) {
+    hidl_vec<CpuUsage> ret_1_0;
+    setUnsupportedFailureAndCallback(_hidl_cb, ret_1_0);
+    return Void();
+}
+
+Return<void> ThermalHidlWrapper::getCoolingDevices(
+        std::function<void(const ThermalStatus&, const hidl_vec<CoolingDevice_1_0>&)> _hidl_cb) {
+    hidl_vec<CoolingDevice_1_0> ret_1_0;
+    setUnsupportedFailureAndCallback(_hidl_cb, ret_1_0);
+    return Void();
+}
+
+// Methods from ::android::hardware::thermal::V2_0::IThermal follow.
+Return<void> ThermalHidlWrapper::getCurrentTemperatures(
+        bool filterType, TemperatureType_2_0 type,
+        std::function<void(const ThermalStatus&, const hidl_vec<Temperature_2_0>&)> _hidl_cb) {
+    hidl_vec<Temperature_2_0> ret_2_0;
+    if (!thermal_service_) {
+        setInitFailureAndCallback(_hidl_cb, ret_2_0);
+    }
+
+    std::vector<Temperature> ret_aidl;
+    ThermalStatus status;
+    ::ndk::ScopedAStatus a_status;
+    if (filterType) {
+        a_status = thermal_service_->getTemperaturesWithType(static_cast<TemperatureType>(type),
+                                                             &ret_aidl);
+    } else {
+        a_status = thermal_service_->getTemperatures(&ret_aidl);
+    }
+    if (a_status.isOk()) {
+        std::vector<Temperature_2_0> ret;
+        for (const auto& temperature : ret_aidl) {
+            ret.push_back(convertAidlTemperature(temperature));
+        }
+        _hidl_cb(status, hidl_vec<Temperature_2_0>(ret));
+    } else {
+        setFailureAndCallback(_hidl_cb, ret_2_0, a_status.getMessage());
+    }
+    return Void();
+}
+
+Return<void> ThermalHidlWrapper::getTemperatureThresholds(
+        bool filterType, TemperatureType_2_0 type,
+        std::function<void(const ThermalStatus&, const hidl_vec<TemperatureThreshold_2_0>&)>
+                _hidl_cb) {
+    hidl_vec<TemperatureThreshold_2_0> ret_2_0;
+    if (!thermal_service_) {
+        setInitFailureAndCallback(_hidl_cb, ret_2_0);
+    }
+
+    std::vector<TemperatureThreshold> ret_aidl;
+    ThermalStatus status;
+    ::ndk::ScopedAStatus a_status;
+    if (filterType) {
+        a_status = thermal_service_->getTemperatureThresholdsWithType(
+                static_cast<TemperatureType>(type), &ret_aidl);
+    } else {
+        a_status = thermal_service_->getTemperatureThresholds(&ret_aidl);
+    }
+    if (a_status.isOk()) {
+        std::vector<TemperatureThreshold_2_0> ret;
+        for (const auto& threshold : ret_aidl) {
+            ret.push_back(convertAidlTemperatureThreshold(threshold));
+        }
+        _hidl_cb(status, hidl_vec<TemperatureThreshold_2_0>(ret));
+    } else {
+        setFailureAndCallback(_hidl_cb, ret_2_0, a_status.getMessage());
+    }
+    return Void();
+}
+
+Return<void> ThermalHidlWrapper::registerThermalChangedCallback(
+        const sp<IThermalChangedCallback_2_0>& callback, bool filterType, TemperatureType_2_0 type,
+        std::function<void(const ThermalStatus&)> _hidl_cb) {
+    if (!thermal_service_) {
+        setInitFailureAndCallback(_hidl_cb);
+    }
+    if (callback == nullptr) {
+        setFailureAndCallback(_hidl_cb, "Invalid nullptr callback");
+        return Void();
+    }
+    std::lock_guard<std::mutex> _lock(callback_wrappers_mutex_);
+    for (const auto& callback_wrapper : callback_wrappers_) {
+        if (::android::hardware::interfacesEqual(callback_wrapper->callback_2_0_.get(),
+                                                 callback.get())) {
+            setFailureAndCallback(_hidl_cb, "The callback was already registered through wrapper");
+            return Void();
+        }
+    }
+    std::shared_ptr<IThermalChangedCallbackWrapper> callback_wrapper =
+            ndk::SharedRefBase::make<IThermalChangedCallbackWrapper>(callback);
+    ::ndk::ScopedAStatus a_status;
+    ThermalStatus status;
+    if (filterType) {
+        a_status = thermal_service_->registerThermalChangedCallbackWithType(
+                callback_wrapper, static_cast<TemperatureType>(type));
+    } else {
+        a_status = thermal_service_->registerThermalChangedCallback(callback_wrapper);
+    }
+    if (a_status.isOk()) {
+        callback_wrappers_.push_back(callback_wrapper);
+        _hidl_cb(status);
+    } else {
+        setFailureAndCallback(_hidl_cb, a_status.getMessage());
+    }
+    return Void();
+}
+
+Return<void> ThermalHidlWrapper::unregisterThermalChangedCallback(
+        const sp<IThermalChangedCallback_2_0>& callback,
+        std::function<void(const ThermalStatus&)> _hidl_cb) {
+    if (!thermal_service_) {
+        setInitFailureAndCallback(_hidl_cb);
+    }
+    if (callback == nullptr) {
+        setFailureAndCallback(_hidl_cb, "Invalid nullptr callback");
+        return Void();
+    }
+    std::lock_guard<std::mutex> _lock(callback_wrappers_mutex_);
+    for (auto it = callback_wrappers_.begin(); it != callback_wrappers_.end(); it++) {
+        auto callback_wrapper = *it;
+        if (::android::hardware::interfacesEqual(callback_wrapper->callback_2_0_.get(),
+                                                 callback.get())) {
+            ::ndk::ScopedAStatus a_status;
+            ThermalStatus status;
+            a_status = thermal_service_->unregisterThermalChangedCallback(callback_wrapper);
+            if (a_status.isOk()) {
+                callback_wrappers_.erase(it);
+                _hidl_cb(status);
+            } else {
+                setFailureAndCallback(_hidl_cb, a_status.getMessage());
+            }
+            return Void();
+        }
+    }
+    setFailureAndCallback(_hidl_cb, "The callback was not registered through wrapper before");
+    return Void();
+}
+
+Return<void> ThermalHidlWrapper::getCurrentCoolingDevices(
+        bool filterType, CoolingType_2_0 type,
+        std::function<void(const ThermalStatus&, const hidl_vec<CoolingDevice_2_0>&)> _hidl_cb) {
+    hidl_vec<CoolingDevice_2_0> ret_2_0;
+    if (!thermal_service_) {
+        setInitFailureAndCallback(_hidl_cb, ret_2_0);
+    }
+
+    std::vector<CoolingDevice> ret_aidl;
+    ThermalStatus status;
+    ::ndk::ScopedAStatus a_status;
+    if (filterType) {
+        a_status = thermal_service_->getCoolingDevicesWithType(static_cast<CoolingType>(type),
+                                                               &ret_aidl);
+    } else {
+        a_status = thermal_service_->getCoolingDevices(&ret_aidl);
+    }
+    if (a_status.isOk()) {
+        std::vector<CoolingDevice_2_0> ret;
+        for (const auto& cooling_device : ret_aidl) {
+            ret.push_back(convertAidlCoolingDevice(cooling_device));
+        }
+        _hidl_cb(status, hidl_vec<CoolingDevice_2_0>(ret));
+    } else {
+        setFailureAndCallback(_hidl_cb, ret_2_0, a_status.getMessage());
+    }
+    return Void();
+}
+
+// Methods from ::android::hidl::base::V1_0::IBase follow.
+Return<void> ThermalHidlWrapper::debug(const hidl_handle& handle,
+                                       const hidl_vec<hidl_string>& args) {
+    if (handle != nullptr && handle->numFds >= 1) {
+        int fd = handle->data[0];
+        char** arr = new char*[args.size()];
+        for (size_t i = 0; i < args.size(); i++) {
+            arr[i] = strdup(args[i].c_str());
+        }
+        thermal_service_->dump(fd, (const char**)arr, args.size());
+    }
+    return Void();
+}
+
+::ndk::ScopedAStatus ThermalHidlWrapper::IThermalChangedCallbackWrapper::notifyThrottling(
+        const Temperature& temperature) {
+    callback_2_0_->notifyThrottling(convertAidlTemperature(temperature));
+    return ::ndk::ScopedAStatus::ok();
+}
+
+}  // namespace thermal
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
diff --git a/thermal/utils/include/thermalutils/ThermalHidlWrapper.h b/thermal/utils/include/thermalutils/ThermalHidlWrapper.h
new file mode 100644
index 0000000..1fec100
--- /dev/null
+++ b/thermal/utils/include/thermalutils/ThermalHidlWrapper.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2023 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 <aidl/android/hardware/thermal/BnThermalChangedCallback.h>
+#include <aidl/android/hardware/thermal/IThermal.h>
+#include <android/hardware/thermal/2.0/IThermal.h>
+#include <android/hardware/thermal/2.0/IThermalChangedCallback.h>
+#include <android/hardware/thermal/2.0/types.h>
+#include <hidl/Status.h>
+
+#include <utility>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace thermal {
+
+using ::android::sp;
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_handle;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+
+using IThermal_Aidl = ::aidl::android::hardware::thermal::IThermal;
+using ::android::hardware::thermal::V1_0::CpuUsage;
+using CoolingType_2_0 = ::android::hardware::thermal::V2_0::CoolingType;
+using CoolingDevice_1_0 = ::android::hardware::thermal::V1_0::CoolingDevice;
+using CoolingDevice_2_0 = ::android::hardware::thermal::V2_0::CoolingDevice;
+using IThermal_2_0 = ::android::hardware::thermal::V2_0::IThermal;
+using IThermalChangedCallback_2_0 = ::android::hardware::thermal::V2_0::IThermalChangedCallback;
+using Temperature_1_0 = ::android::hardware::thermal::V1_0::Temperature;
+using Temperature_2_0 = ::android::hardware::thermal::V2_0::Temperature;
+using TemperatureType_2_0 = ::android::hardware::thermal::V2_0::TemperatureType;
+
+using ::android::hardware::thermal::V1_0::ThermalStatus;
+using ::android::hardware::thermal::V1_0::ThermalStatusCode;
+
+using TemperatureThreshold_2_0 = ::android::hardware::thermal::V2_0::TemperatureThreshold;
+using ThrottlingSeverity_2_0 = ::android::hardware::thermal::V2_0::ThrottlingSeverity;
+
+// This wrapper converts all Thermal HIDL 2.0 calls to AIDL calls and converts AIDL response to
+// HIDL 2.0 response.
+//
+// For Thermal HIDL 1.0 calls, it returns unsupported error.
+class ThermalHidlWrapper : public IThermal_2_0 {
+  public:
+    explicit ThermalHidlWrapper(::std::shared_ptr<IThermal_Aidl> thermal_service)
+        : thermal_service_(std::move(thermal_service)) {}
+
+    // Methods from ::android::hardware::thermal::V1_0::IThermal follow.
+    Return<void> getTemperatures(getTemperatures_cb _hidl_cb) override;
+    Return<void> getCpuUsages(getCpuUsages_cb _hidl_cb) override;
+    Return<void> getCoolingDevices(getCoolingDevices_cb _hidl_cb) override;
+
+    // Methods from ::android::hardware::thermal::V2_0::IThermal follow.
+    Return<void> getCurrentTemperatures(bool filterType, TemperatureType_2_0 type,
+                                        getCurrentTemperatures_cb _hidl_cb) override;
+    Return<void> getTemperatureThresholds(bool filterType, TemperatureType_2_0 type,
+                                          getTemperatureThresholds_cb _hidl_cb) override;
+    Return<void> registerThermalChangedCallback(
+            const sp<IThermalChangedCallback_2_0>& callback, bool filterType,
+            TemperatureType_2_0 type, registerThermalChangedCallback_cb _hidl_cb) override;
+    Return<void> unregisterThermalChangedCallback(
+            const sp<IThermalChangedCallback_2_0>& callback,
+            unregisterThermalChangedCallback_cb _hidl_cb) override;
+    Return<void> getCurrentCoolingDevices(bool filterType, CoolingType_2_0 type,
+                                          getCurrentCoolingDevices_cb _hidl_cb) override;
+
+    // Methods from ::android::hidl::base::V1_0::IBase follow.
+    Return<void> debug(const hidl_handle& handle, const hidl_vec<hidl_string>& args) override;
+
+  private:
+    class IThermalChangedCallbackWrapper : public BnThermalChangedCallback {
+      public:
+        explicit IThermalChangedCallbackWrapper(const sp<IThermalChangedCallback_2_0>& callback_2_0)
+            : callback_2_0_(callback_2_0) {}
+        ::ndk::ScopedAStatus notifyThrottling(const Temperature& temperature) override;
+        sp<IThermalChangedCallback_2_0> callback_2_0_;
+    };
+
+    // Reference to thermal service.
+    ::std::shared_ptr<IThermal_Aidl> thermal_service_;
+    // Mutex lock for read/write on callback wrappers.
+    std::mutex callback_wrappers_mutex_;
+    // All thermal changed callback wrappers registered.
+    ::std::vector<std::shared_ptr<IThermalChangedCallbackWrapper>> callback_wrappers_;
+};
+
+}  // namespace thermal
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
diff --git a/thermal/utils/tests/Android.bp b/thermal/utils/tests/Android.bp
new file mode 100644
index 0000000..fd74e8b
--- /dev/null
+++ b/thermal/utils/tests/Android.bp
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_test {
+    name: "ThermalHidlWrapperTest",
+    srcs: ["ThermalHidlWrapperTest.cpp"],
+    defaults: [
+        "VtsHalTargetTestDefaults",
+        "use_libaidlvintf_gtest_helper_static",
+    ],
+    shared_libs: [
+        "libbinder_ndk",
+        "android.hardware.thermal@1.0",
+        "android.hardware.thermal@2.0",
+        "android.hardware.thermal-V1-ndk",
+    ],
+    static_libs: [
+        "libthermalutils",
+        "libgtest",
+    ],
+    test_suites: [
+        "device-tests",
+    ],
+}
diff --git a/thermal/utils/tests/ThermalHidlWrapperTest.cpp b/thermal/utils/tests/ThermalHidlWrapperTest.cpp
new file mode 100644
index 0000000..1723a1a
--- /dev/null
+++ b/thermal/utils/tests/ThermalHidlWrapperTest.cpp
@@ -0,0 +1,302 @@
+/*
+ * Copyright (C) 2023 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 "thermal_hidl_wrapper_test"
+#include <VtsHalHidlTargetCallbackBase.h>
+#include <aidl/Vintf.h>
+#include <aidl/android/hardware/thermal/BnThermal.h>
+#include <aidl/android/hardware/thermal/BnThermalChangedCallback.h>
+#include <android-base/logging.h>
+#include <android-base/properties.h>
+#include <android/binder_ibinder.h>
+#include <android/binder_interface_utils.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+#include <android/binder_status.h>
+#include <android/hardware/thermal/2.0/IThermal.h>
+#include <android/hardware/thermal/2.0/IThermalChangedCallback.h>
+#include <android/hardware/thermal/2.0/types.h>
+#include <gtest/gtest.h>
+#include <hidl/GtestPrinter.h>
+#include <hidl/ServiceManagement.h>
+#include <thermalutils/ThermalHidlWrapper.h>
+#include <unistd.h>
+
+#include <algorithm>
+#include <chrono>
+#include <cmath>
+#include <memory>
+#include <string>
+#include <thread>
+#include <vector>
+
+namespace aidl::android::hardware::thermal {
+
+namespace {
+
+using ::android::sp;
+using ::android::hardware::hidl_enum_range;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+
+using ::android::hardware::thermal::V1_0::ThermalStatus;
+using ::android::hardware::thermal::V1_0::ThermalStatusCode;
+using ::android::hardware::thermal::V2_0::CoolingDevice;
+using ::android::hardware::thermal::V2_0::CoolingType;
+using IThermal_2_0 = ::android::hardware::thermal::V2_0::IThermal;
+using ::android::hardware::thermal::V2_0::IThermalChangedCallback;
+using ::android::hardware::thermal::V2_0::Temperature;
+using ::android::hardware::thermal::V2_0::TemperatureThreshold;
+using ::android::hardware::thermal::V2_0::TemperatureType;
+using ::android::hardware::thermal::V2_0::ThrottlingSeverity;
+
+constexpr char kCallbackNameNotifyThrottling[] = "notifyThrottling";
+static const Temperature kThrottleTemp = {
+        .type = TemperatureType::SKIN,
+        .name = "test temperature sensor",
+        .value = 98.6,
+        .throttlingStatus = ThrottlingSeverity::CRITICAL,
+};
+
+class ThermalCallbackArgs {
+  public:
+    Temperature temperature;
+};
+
+// Callback class for receiving thermal event notifications from main class
+class ThermalCallback : public ::testing::VtsHalHidlTargetCallbackBase<ThermalCallbackArgs>,
+                        public IThermalChangedCallback {
+  public:
+    Return<void> notifyThrottling(const Temperature& temperature) override {
+        ThermalCallbackArgs args;
+        args.temperature = temperature;
+        NotifyFromCallback(kCallbackNameNotifyThrottling, args);
+        return Void();
+    }
+};
+
+// The main test class for THERMAL HIDL HAL 2.0.
+class ThermalHidlWrapperTest : public ::testing::TestWithParam<std::string> {
+  public:
+    void SetUp() override {
+        AIBinder* binder = AServiceManager_waitForService(GetParam().c_str());
+        ASSERT_NE(binder, nullptr);
+        mThermal = sp<ThermalHidlWrapper>::make(IThermal::fromBinder(ndk::SpAIBinder(binder)));
+        ASSERT_NE(mThermal, nullptr);
+        mThermalCallback = new (std::nothrow) ThermalCallback();
+        ASSERT_NE(mThermalCallback, nullptr);
+        auto ret = mThermal->registerThermalChangedCallback(
+                mThermalCallback, false, TemperatureType::SKIN,
+                [](ThermalStatus status) { EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code); });
+        ASSERT_TRUE(ret.isOk());
+        // Expect to fail if register again
+        ret = mThermal->registerThermalChangedCallback(
+                mThermalCallback, false, TemperatureType::SKIN,
+                [](ThermalStatus status) { EXPECT_NE(ThermalStatusCode::SUCCESS, status.code); });
+        ASSERT_TRUE(ret.isOk());
+    }
+
+    void TearDown() override {
+        auto ret = mThermal->unregisterThermalChangedCallback(
+                mThermalCallback,
+                [](ThermalStatus status) { EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code); });
+        ASSERT_TRUE(ret.isOk());
+        // Expect to fail if unregister again
+        ret = mThermal->unregisterThermalChangedCallback(
+                mThermalCallback,
+                [](ThermalStatus status) { EXPECT_NE(ThermalStatusCode::SUCCESS, status.code); });
+        ASSERT_TRUE(ret.isOk());
+    }
+
+  protected:
+    sp<IThermal_2_0> mThermal;
+    sp<ThermalCallback> mThermalCallback;
+};  // class ThermalHidlWrapperTest
+
+// Test ThermalChangedCallback::notifyThrottling().
+// This just calls into and back from our local ThermalChangedCallback impl.
+TEST_P(ThermalHidlWrapperTest, NotifyThrottlingTest) {
+    sp<ThermalCallback> thermalCallback = new (std::nothrow) ThermalCallback();
+    auto ret = thermalCallback->notifyThrottling(kThrottleTemp);
+    ASSERT_TRUE(ret.isOk());
+    auto res = thermalCallback->WaitForCallback(kCallbackNameNotifyThrottling);
+    EXPECT_TRUE(res.no_timeout);
+    ASSERT_TRUE(res.args);
+    EXPECT_EQ(kThrottleTemp, res.args->temperature);
+}
+
+// Test Thermal->registerThermalChangedCallback.
+TEST_P(ThermalHidlWrapperTest, RegisterThermalChangedCallbackTest) {
+    // Expect to fail with same callback
+    auto ret = mThermal->registerThermalChangedCallback(
+            mThermalCallback, false, TemperatureType::SKIN,
+            [](ThermalStatus status) { EXPECT_EQ(ThermalStatusCode::FAILURE, status.code); });
+    ASSERT_TRUE(ret.isOk());
+    // Expect to fail with null callback
+    ret = mThermal->registerThermalChangedCallback(
+            nullptr, false, TemperatureType::SKIN,
+            [](ThermalStatus status) { EXPECT_EQ(ThermalStatusCode::FAILURE, status.code); });
+    ASSERT_TRUE(ret.isOk());
+    sp<ThermalCallback> localThermalCallback = new (std::nothrow) ThermalCallback();
+    // Expect to succeed with different callback
+    ret = mThermal->registerThermalChangedCallback(
+            localThermalCallback, false, TemperatureType::SKIN,
+            [](ThermalStatus status) { EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code); });
+    ASSERT_TRUE(ret.isOk());
+    // Remove the local callback
+    ret = mThermal->unregisterThermalChangedCallback(
+            localThermalCallback,
+            [](ThermalStatus status) { EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code); });
+    ASSERT_TRUE(ret.isOk());
+    // Expect to fail with null callback
+    ret = mThermal->unregisterThermalChangedCallback(nullptr, [](ThermalStatus status) {
+        EXPECT_EQ(ThermalStatusCode::FAILURE, status.code);
+    });
+    ASSERT_TRUE(ret.isOk());
+}
+
+// Test Thermal->unregisterThermalChangedCallback.
+TEST_P(ThermalHidlWrapperTest, UnregisterThermalChangedCallbackTest) {
+    sp<ThermalCallback> localThermalCallback = new (std::nothrow) ThermalCallback();
+    // Expect to fail as the callback was not registered before
+    auto ret = mThermal->unregisterThermalChangedCallback(
+            localThermalCallback,
+            [](ThermalStatus status) { EXPECT_NE(ThermalStatusCode::SUCCESS, status.code); });
+    ASSERT_TRUE(ret.isOk());
+    // Register a local callback
+    ret = mThermal->registerThermalChangedCallback(
+            localThermalCallback, false, TemperatureType::SKIN,
+            [](ThermalStatus status) { EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code); });
+    ASSERT_TRUE(ret.isOk());
+    // Expect to succeed with callback removed
+    ret = mThermal->unregisterThermalChangedCallback(
+            localThermalCallback,
+            [](ThermalStatus status) { EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code); });
+    ASSERT_TRUE(ret.isOk());
+    // Expect to fail as the callback has been unregistered already
+    ret = mThermal->unregisterThermalChangedCallback(
+            localThermalCallback,
+            [](ThermalStatus status) { EXPECT_NE(ThermalStatusCode::SUCCESS, status.code); });
+    ASSERT_TRUE(ret.isOk());
+}
+
+// Sanity test for Thermal::getCurrentTemperatures().
+TEST_P(ThermalHidlWrapperTest, TemperatureTest) {
+    mThermal->getCurrentTemperatures(false, TemperatureType::SKIN,
+                                     [](ThermalStatus status, hidl_vec<Temperature> temperatures) {
+                                         if (temperatures.size()) {
+                                             EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code);
+                                         } else {
+                                             EXPECT_NE(ThermalStatusCode::SUCCESS, status.code);
+                                         }
+                                         for (int i = 0; i < temperatures.size(); ++i) {
+                                             EXPECT_LT(0u, temperatures[i].name.size());
+                                         }
+                                     });
+    auto types = hidl_enum_range<TemperatureType>();
+    for (const auto& type : types) {
+        mThermal->getCurrentTemperatures(
+                true, type, [&type](ThermalStatus status, hidl_vec<Temperature> temperatures) {
+                    if (temperatures.size()) {
+                        EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code);
+                    } else {
+                        EXPECT_NE(ThermalStatusCode::SUCCESS, status.code);
+                    }
+                    for (int i = 0; i < temperatures.size(); ++i) {
+                        EXPECT_EQ(type, temperatures[i].type);
+                        EXPECT_LT(0u, temperatures[i].name.size());
+                    }
+                });
+    }
+}
+
+// Sanity test for Thermal::getTemperatureThresholds().
+TEST_P(ThermalHidlWrapperTest, TemperatureThresholdTest) {
+    mThermal->getTemperatureThresholds(
+            false, TemperatureType::SKIN,
+            [](ThermalStatus status, hidl_vec<TemperatureThreshold> temperatures) {
+                if (temperatures.size()) {
+                    EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code);
+                } else {
+                    EXPECT_NE(ThermalStatusCode::SUCCESS, status.code);
+                }
+            });
+    for (int i = static_cast<int>(TemperatureType::UNKNOWN);
+         i <= static_cast<int>(TemperatureType::POWER_AMPLIFIER); ++i) {
+        auto type = static_cast<TemperatureType>(i);
+        mThermal->getTemperatureThresholds(
+                true, type,
+                [&type](ThermalStatus status, hidl_vec<TemperatureThreshold> temperatures) {
+                    if (temperatures.size()) {
+                        EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code);
+                    } else {
+                        EXPECT_NE(ThermalStatusCode::SUCCESS, status.code);
+                    }
+                    for (int i = 0; i < temperatures.size(); ++i) {
+                        EXPECT_EQ(type, temperatures[i].type);
+                    }
+                });
+    }
+}
+
+// Sanity test for Thermal::getCurrentCoolingDevices().
+TEST_P(ThermalHidlWrapperTest, CoolingDeviceTest) {
+    mThermal->getCurrentCoolingDevices(
+            false, CoolingType::CPU,
+            [](ThermalStatus status, hidl_vec<CoolingDevice> cooling_devices) {
+                if (cooling_devices.size()) {
+                    EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code);
+                } else {
+                    EXPECT_NE(ThermalStatusCode::SUCCESS, status.code);
+                }
+                for (int i = 0; i < cooling_devices.size(); ++i) {
+                    EXPECT_LT(0u, cooling_devices[i].name.size());
+                }
+            });
+    for (int i = 0; i <= static_cast<int>(CoolingType::COMPONENT); ++i) {
+        auto type = static_cast<CoolingType>(i);
+        mThermal->getCurrentCoolingDevices(
+                true, type, [&type](ThermalStatus status, hidl_vec<CoolingDevice> cooling_devices) {
+                    if (cooling_devices.size()) {
+                        EXPECT_EQ(ThermalStatusCode::SUCCESS, status.code);
+                    } else {
+                        EXPECT_NE(ThermalStatusCode::SUCCESS, status.code);
+                    }
+                    for (int i = 0; i < cooling_devices.size(); ++i) {
+                        EXPECT_EQ(type, cooling_devices[i].type);
+                        EXPECT_LT(0u, cooling_devices[i].name.size());
+                    }
+                });
+    }
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(ThermalHidlWrapperTest);
+INSTANTIATE_TEST_SUITE_P(
+        PerInstance, ThermalHidlWrapperTest,
+        testing::ValuesIn(::android::getAidlHalInstanceNames(IThermal::descriptor)),
+        ::android::hardware::PrintInstanceNameToString);
+
+}  // namespace
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    ABinderProcess_setThreadPoolMaxThreadCount(1);
+    ABinderProcess_startThreadPool();
+    return RUN_ALL_TESTS();
+}
+
+}  // namespace aidl::android::hardware::thermal