diff --git a/vibrator/aidl/Android.bp b/vibrator/aidl/Android.bp
index b5199e2..fe76450 100644
--- a/vibrator/aidl/Android.bp
+++ b/vibrator/aidl/Android.bp
@@ -20,6 +20,12 @@
         java: {
             sdk_version: "system_current",
         },
+        ndk: {
+            enabled: true,
+        },
+        cpp: {
+            enabled: false,
+        },
     },
     versions: [
         "1",
diff --git a/vibrator/aidl/vts/Android.bp b/vibrator/aidl/vts/Android.bp
index b6d2fb2..166b30b 100644
--- a/vibrator/aidl/vts/Android.bp
+++ b/vibrator/aidl/vts/Android.bp
@@ -17,10 +17,10 @@
     tidy_timeout_srcs: ["VtsHalVibratorTargetTest.cpp"],
     srcs: ["VtsHalVibratorTargetTest.cpp"],
     shared_libs: [
-        "libbinder",
+        "libbinder_ndk",
     ],
     static_libs: [
-        "android.hardware.vibrator-V2-cpp",
+        "android.hardware.vibrator-V2-ndk",
     ],
     test_suites: [
         "general-tests",
@@ -36,10 +36,10 @@
     ],
     srcs: ["VtsHalVibratorManagerTargetTest.cpp"],
     shared_libs: [
-        "libbinder",
+        "libbinder_ndk",
     ],
     static_libs: [
-        "android.hardware.vibrator-V2-cpp",
+        "android.hardware.vibrator-V2-ndk",
     ],
     test_suites: [
         "general-tests",
diff --git a/vibrator/aidl/vts/VtsHalVibratorManagerTargetTest.cpp b/vibrator/aidl/vts/VtsHalVibratorManagerTargetTest.cpp
index e8ed26a..3c2a360 100644
--- a/vibrator/aidl/vts/VtsHalVibratorManagerTargetTest.cpp
+++ b/vibrator/aidl/vts/VtsHalVibratorManagerTargetTest.cpp
@@ -15,42 +15,40 @@
  */
 #include <aidl/Gtest.h>
 #include <aidl/Vintf.h>
+#include <aidl/android/hardware/vibrator/BnVibratorCallback.h>
+#include <aidl/android/hardware/vibrator/IVibrator.h>
+#include <aidl/android/hardware/vibrator/IVibratorManager.h>
 
-#include <android/hardware/vibrator/BnVibratorCallback.h>
-#include <android/hardware/vibrator/IVibrator.h>
-#include <android/hardware/vibrator/IVibratorManager.h>
-#include <binder/IServiceManager.h>
-#include <binder/ProcessState.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
 
 #include <cmath>
 #include <future>
 
-using android::ProcessState;
-using android::sp;
-using android::String16;
-using android::binder::Status;
-using android::hardware::vibrator::BnVibratorCallback;
-using android::hardware::vibrator::CompositeEffect;
-using android::hardware::vibrator::CompositePrimitive;
-using android::hardware::vibrator::Effect;
-using android::hardware::vibrator::EffectStrength;
-using android::hardware::vibrator::IVibrator;
-using android::hardware::vibrator::IVibratorManager;
+#include "test_utils.h"
+
+using aidl::android::hardware::vibrator::BnVibratorCallback;
+using aidl::android::hardware::vibrator::CompositeEffect;
+using aidl::android::hardware::vibrator::CompositePrimitive;
+using aidl::android::hardware::vibrator::Effect;
+using aidl::android::hardware::vibrator::EffectStrength;
+using aidl::android::hardware::vibrator::IVibrator;
+using aidl::android::hardware::vibrator::IVibratorManager;
 using std::chrono::high_resolution_clock;
 
-const std::vector<Effect> kEffects{android::enum_range<Effect>().begin(),
-                                   android::enum_range<Effect>().end()};
-const std::vector<EffectStrength> kEffectStrengths{android::enum_range<EffectStrength>().begin(),
-                                                   android::enum_range<EffectStrength>().end()};
-const std::vector<CompositePrimitive> kPrimitives{android::enum_range<CompositePrimitive>().begin(),
-                                                  android::enum_range<CompositePrimitive>().end()};
+const std::vector<Effect> kEffects{ndk::enum_range<Effect>().begin(),
+                                   ndk::enum_range<Effect>().end()};
+const std::vector<EffectStrength> kEffectStrengths{ndk::enum_range<EffectStrength>().begin(),
+                                                   ndk::enum_range<EffectStrength>().end()};
+const std::vector<CompositePrimitive> kPrimitives{ndk::enum_range<CompositePrimitive>().begin(),
+                                                  ndk::enum_range<CompositePrimitive>().end()};
 
 class CompletionCallback : public BnVibratorCallback {
   public:
     CompletionCallback(const std::function<void()>& callback) : mCallback(callback) {}
-    Status onComplete() override {
+    ndk::ScopedAStatus onComplete() override {
         mCallback();
-        return Status::ok();
+        return ndk::ScopedAStatus::ok();
     }
 
   private:
@@ -60,55 +58,50 @@
 class VibratorAidl : public testing::TestWithParam<std::string> {
   public:
     virtual void SetUp() override {
-        manager = android::waitForDeclaredService<IVibratorManager>(String16(GetParam().c_str()));
+        auto serviceName = GetParam().c_str();
+        manager = IVibratorManager::fromBinder(
+                ndk::SpAIBinder(AServiceManager_waitForService(serviceName)));
         ASSERT_NE(manager, nullptr);
-        ASSERT_TRUE(manager->getCapabilities(&capabilities).isOk());
-        EXPECT_TRUE(manager->getVibratorIds(&vibratorIds).isOk());
+        EXPECT_OK(manager->getCapabilities(&capabilities));
+        EXPECT_OK(manager->getVibratorIds(&vibratorIds));
     }
 
-    sp<IVibratorManager> manager;
+    std::shared_ptr<IVibratorManager> manager;
     int32_t capabilities;
     std::vector<int32_t> vibratorIds;
 };
 
-inline bool isUnknownOrUnsupported(Status status) {
-    return status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION ||
-           status.transactionError() == android::UNKNOWN_TRANSACTION;
-}
-
 TEST_P(VibratorAidl, ValidateExistingVibrators) {
-    sp<IVibrator> vibrator;
-    for (auto& id : vibratorIds) {
-        EXPECT_TRUE(manager->getVibrator(id, &vibrator).isOk());
+    std::shared_ptr<IVibrator> vibrator;
+    for (int32_t id : vibratorIds) {
+        EXPECT_OK(manager->getVibrator(id, &vibrator));
         ASSERT_NE(vibrator, nullptr);
     }
 }
 
 TEST_P(VibratorAidl, GetVibratorWithInvalidId) {
     int32_t invalidId = *max_element(vibratorIds.begin(), vibratorIds.end()) + 1;
-    sp<IVibrator> vibrator;
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-              manager->getVibrator(invalidId, &vibrator).exceptionCode());
+    std::shared_ptr<IVibrator> vibrator;
+    EXPECT_ILLEGAL_ARGUMENT(manager->getVibrator(invalidId, &vibrator));
     ASSERT_EQ(vibrator, nullptr);
 }
 
 TEST_P(VibratorAidl, ValidatePrepareSyncedExistingVibrators) {
     if (!(capabilities & IVibratorManager::CAP_SYNC)) return;
     if (vibratorIds.empty()) return;
-    EXPECT_TRUE(manager->prepareSynced(vibratorIds).isOk());
-    EXPECT_TRUE(manager->cancelSynced().isOk());
+    EXPECT_OK(manager->prepareSynced(vibratorIds));
+    EXPECT_OK(manager->cancelSynced());
 }
 
 TEST_P(VibratorAidl, PrepareSyncedEmptySetIsInvalid) {
     if (!(capabilities & IVibratorManager::CAP_SYNC)) return;
     std::vector<int32_t> emptyIds;
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT, manager->prepareSynced(emptyIds).exceptionCode());
+    EXPECT_ILLEGAL_ARGUMENT(manager->prepareSynced(emptyIds));
 }
 
 TEST_P(VibratorAidl, PrepareSyncedNotSupported) {
     if (!(capabilities & IVibratorManager::CAP_SYNC)) {
-        Status status = manager->prepareSynced(vibratorIds);
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(manager->prepareSynced(vibratorIds));
     }
 }
 
@@ -117,15 +110,14 @@
     if (!(capabilities & IVibratorManager::CAP_SYNC)) return;
     if (!(capabilities & IVibratorManager::CAP_PREPARE_ON)) {
         uint32_t durationMs = 250;
-        EXPECT_TRUE(manager->prepareSynced(vibratorIds).isOk());
-        sp<IVibrator> vibrator;
-        for (auto& id : vibratorIds) {
-            EXPECT_TRUE(manager->getVibrator(id, &vibrator).isOk());
+        EXPECT_OK(manager->prepareSynced(vibratorIds));
+        std::shared_ptr<IVibrator> vibrator;
+        for (int32_t id : vibratorIds) {
+            EXPECT_OK(manager->getVibrator(id, &vibrator));
             ASSERT_NE(vibrator, nullptr);
-            Status status = vibrator->on(durationMs, nullptr);
-            EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+            EXPECT_UNKNOWN_OR_UNSUPPORTED(vibrator->on(durationMs, nullptr));
         }
-        EXPECT_TRUE(manager->cancelSynced().isOk());
+        EXPECT_OK(manager->cancelSynced());
     }
 }
 
@@ -133,16 +125,16 @@
     if (vibratorIds.empty()) return;
     if (!(capabilities & IVibratorManager::CAP_SYNC)) return;
     if (!(capabilities & IVibratorManager::CAP_PREPARE_ON)) {
-        EXPECT_TRUE(manager->prepareSynced(vibratorIds).isOk());
-        sp<IVibrator> vibrator;
-        for (auto& id : vibratorIds) {
-            EXPECT_TRUE(manager->getVibrator(id, &vibrator).isOk());
+        EXPECT_OK(manager->prepareSynced(vibratorIds));
+        std::shared_ptr<IVibrator> vibrator;
+        for (int32_t id : vibratorIds) {
+            EXPECT_OK(manager->getVibrator(id, &vibrator));
             ASSERT_NE(vibrator, nullptr);
             int32_t lengthMs = 0;
-            Status status = vibrator->perform(kEffects[0], kEffectStrengths[0], nullptr, &lengthMs);
-            EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+            EXPECT_UNKNOWN_OR_UNSUPPORTED(
+                    vibrator->perform(kEffects[0], kEffectStrengths[0], nullptr, &lengthMs));
         }
-        EXPECT_TRUE(manager->cancelSynced().isOk());
+        EXPECT_OK(manager->cancelSynced());
     }
 }
 
@@ -157,15 +149,14 @@
         effect.scale = 1.0f;
         composite.emplace_back(effect);
 
-        EXPECT_TRUE(manager->prepareSynced(vibratorIds).isOk());
-        sp<IVibrator> vibrator;
-        for (auto& id : vibratorIds) {
-            EXPECT_TRUE(manager->getVibrator(id, &vibrator).isOk());
+        EXPECT_OK(manager->prepareSynced(vibratorIds));
+        std::shared_ptr<IVibrator> vibrator;
+        for (int32_t id : vibratorIds) {
+            EXPECT_OK(manager->getVibrator(id, &vibrator));
             ASSERT_NE(vibrator, nullptr);
-            Status status = vibrator->compose(composite, nullptr);
-            EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+            EXPECT_UNKNOWN_OR_UNSUPPORTED(vibrator->compose(composite, nullptr));
         }
-        EXPECT_TRUE(manager->cancelSynced().isOk());
+        EXPECT_OK(manager->cancelSynced());
     }
 }
 
@@ -177,51 +168,58 @@
 
     std::promise<void> completionPromise;
     std::future<void> completionFuture{completionPromise.get_future()};
-    sp<CompletionCallback> callback =
-            new CompletionCallback([&completionPromise] { completionPromise.set_value(); });
+    auto callback = ndk::SharedRefBase::make<CompletionCallback>(
+            [&completionPromise] { completionPromise.set_value(); });
     uint32_t durationMs = 250;
     std::chrono::milliseconds timeout{durationMs * 2};
 
-    EXPECT_TRUE(manager->prepareSynced(vibratorIds).isOk());
-    sp<IVibrator> vibrator;
-    for (auto& id : vibratorIds) {
-        EXPECT_TRUE(manager->getVibrator(id, &vibrator).isOk());
+    EXPECT_OK(manager->prepareSynced(vibratorIds));
+    std::shared_ptr<IVibrator> vibrator;
+    for (int32_t id : vibratorIds) {
+        EXPECT_OK(manager->getVibrator(id, &vibrator));
         ASSERT_NE(vibrator, nullptr);
-        EXPECT_TRUE(vibrator->on(durationMs, nullptr).isOk());
+        EXPECT_OK(vibrator->on(durationMs, nullptr));
     }
 
-    EXPECT_TRUE(manager->triggerSynced(callback).isOk());
+    EXPECT_OK(manager->triggerSynced(callback));
     EXPECT_EQ(completionFuture.wait_for(timeout), std::future_status::ready);
-    EXPECT_TRUE(manager->cancelSynced().isOk());
+    EXPECT_OK(manager->cancelSynced());
 }
 
 TEST_P(VibratorAidl, TriggerSyncNotSupported) {
     if (!(capabilities & IVibratorManager::CAP_SYNC)) {
-        Status status = manager->triggerSynced(nullptr);
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(manager->triggerSynced(nullptr));
     }
 }
 
 TEST_P(VibratorAidl, TriggerCallbackNotSupported) {
     if (!(capabilities & IVibratorManager::CAP_SYNC)) return;
     if (!(capabilities & IVibratorManager::CAP_TRIGGER_CALLBACK)) {
-        sp<CompletionCallback> callback = new CompletionCallback([] {});
-        EXPECT_TRUE(manager->prepareSynced(vibratorIds).isOk());
-        Status status = manager->triggerSynced(callback);
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
-        EXPECT_TRUE(manager->cancelSynced().isOk());
+        auto callback = ndk::SharedRefBase::make<CompletionCallback>([] {});
+        EXPECT_OK(manager->prepareSynced(vibratorIds));
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(manager->triggerSynced(callback));
+        EXPECT_OK(manager->cancelSynced());
     }
 }
 
+std::vector<std::string> FindVibratorManagerNames() {
+    std::vector<std::string> names;
+    constexpr auto callback = [](const char* instance, void* context) {
+        std::string fullName = std::string(IVibratorManager::descriptor) + "/" + instance;
+        static_cast<std::vector<std::string>*>(context)->emplace_back(fullName);
+    };
+    AServiceManager_forEachDeclaredInstance(IVibratorManager::descriptor,
+                                            static_cast<void*>(&names), callback);
+    return names;
+}
+
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(VibratorAidl);
-INSTANTIATE_TEST_SUITE_P(
-        Vibrator, VibratorAidl,
-        testing::ValuesIn(android::getAidlHalInstanceNames(IVibratorManager::descriptor)),
-        android::PrintInstanceNameToString);
+INSTANTIATE_TEST_SUITE_P(Vibrator, VibratorAidl, testing::ValuesIn(FindVibratorManagerNames()),
+                         android::PrintInstanceNameToString);
 
 int main(int argc, char** argv) {
     ::testing::InitGoogleTest(&argc, argv);
-    ProcessState::self()->setThreadPoolMaxThreadCount(1);
-    ProcessState::self()->startThreadPool();
+    ABinderProcess_setThreadPoolMaxThreadCount(1);
+    ABinderProcess_startThreadPool();
     return RUN_ALL_TESTS();
 }
diff --git a/vibrator/aidl/vts/VtsHalVibratorTargetTest.cpp b/vibrator/aidl/vts/VtsHalVibratorTargetTest.cpp
index db474d6..65a1e84 100644
--- a/vibrator/aidl/vts/VtsHalVibratorTargetTest.cpp
+++ b/vibrator/aidl/vts/VtsHalVibratorTargetTest.cpp
@@ -15,38 +15,37 @@
  */
 #include <aidl/Gtest.h>
 #include <aidl/Vintf.h>
-#include <android/hardware/vibrator/BnVibratorCallback.h>
-#include <android/hardware/vibrator/IVibrator.h>
-#include <android/hardware/vibrator/IVibratorManager.h>
-#include <binder/IServiceManager.h>
-#include <binder/ProcessState.h>
+#include <aidl/android/hardware/vibrator/BnVibratorCallback.h>
+#include <aidl/android/hardware/vibrator/IVibrator.h>
+#include <aidl/android/hardware/vibrator/IVibratorManager.h>
+
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
 
 #include <cmath>
 #include <future>
 
-using android::ProcessState;
-using android::sp;
-using android::String16;
-using android::binder::Status;
-using android::hardware::vibrator::ActivePwle;
-using android::hardware::vibrator::BnVibratorCallback;
-using android::hardware::vibrator::Braking;
-using android::hardware::vibrator::BrakingPwle;
-using android::hardware::vibrator::CompositeEffect;
-using android::hardware::vibrator::CompositePrimitive;
-using android::hardware::vibrator::Effect;
-using android::hardware::vibrator::EffectStrength;
-using android::hardware::vibrator::IVibrator;
-using android::hardware::vibrator::IVibratorManager;
-using android::hardware::vibrator::PrimitivePwle;
+#include "test_utils.h"
+
+using aidl::android::hardware::vibrator::ActivePwle;
+using aidl::android::hardware::vibrator::BnVibratorCallback;
+using aidl::android::hardware::vibrator::Braking;
+using aidl::android::hardware::vibrator::BrakingPwle;
+using aidl::android::hardware::vibrator::CompositeEffect;
+using aidl::android::hardware::vibrator::CompositePrimitive;
+using aidl::android::hardware::vibrator::Effect;
+using aidl::android::hardware::vibrator::EffectStrength;
+using aidl::android::hardware::vibrator::IVibrator;
+using aidl::android::hardware::vibrator::IVibratorManager;
+using aidl::android::hardware::vibrator::PrimitivePwle;
 using std::chrono::high_resolution_clock;
 
 using namespace ::std::chrono_literals;
 
-const std::vector<Effect> kEffects{android::enum_range<Effect>().begin(),
-                                   android::enum_range<Effect>().end()};
-const std::vector<EffectStrength> kEffectStrengths{android::enum_range<EffectStrength>().begin(),
-                                                   android::enum_range<EffectStrength>().end()};
+const std::vector<Effect> kEffects{ndk::enum_range<Effect>().begin(),
+                                   ndk::enum_range<Effect>().end()};
+const std::vector<EffectStrength> kEffectStrengths{ndk::enum_range<EffectStrength>().begin(),
+                                                   ndk::enum_range<EffectStrength>().end()};
 
 const std::vector<Effect> kInvalidEffects = {
     static_cast<Effect>(static_cast<int32_t>(kEffects.front()) - 1),
@@ -59,8 +58,7 @@
 };
 
 const std::vector<CompositePrimitive> kCompositePrimitives{
-    android::enum_range<CompositePrimitive>().begin(),
-    android::enum_range<CompositePrimitive>().end()};
+        ndk::enum_range<CompositePrimitive>().begin(), ndk::enum_range<CompositePrimitive>().end()};
 
 const std::vector<CompositePrimitive> kRequiredPrimitives = {
         CompositePrimitive::CLICK,      CompositePrimitive::LIGHT_TICK,
@@ -74,14 +72,36 @@
 };
 
 // Timeout to wait for vibration callback completion.
-static constexpr auto VIBRATION_CALLBACK_TIMEOUT = 100ms;
+static constexpr std::chrono::milliseconds VIBRATION_CALLBACK_TIMEOUT = 100ms;
+
+static std::vector<std::string> findVibratorManagerNames() {
+    std::vector<std::string> names;
+    constexpr auto callback = [](const char* instance, void* context) {
+        auto fullName = std::string(IVibratorManager::descriptor) + "/" + instance;
+        static_cast<std::vector<std::string>*>(context)->emplace_back(fullName);
+    };
+    AServiceManager_forEachDeclaredInstance(IVibratorManager::descriptor,
+                                            static_cast<void*>(&names), callback);
+    return names;
+}
+
+static std::vector<std::string> findUnmanagedVibratorNames() {
+    std::vector<std::string> names;
+    constexpr auto callback = [](const char* instance, void* context) {
+        auto fullName = std::string(IVibrator::descriptor) + "/" + instance;
+        static_cast<std::vector<std::string>*>(context)->emplace_back(fullName);
+    };
+    AServiceManager_forEachDeclaredInstance(IVibrator::descriptor, static_cast<void*>(&names),
+                                            callback);
+    return names;
+}
 
 class CompletionCallback : public BnVibratorCallback {
   public:
     CompletionCallback(const std::function<void()> &callback) : mCallback(callback) {}
-    Status onComplete() override {
+    ndk::ScopedAStatus onComplete() override {
         mCallback();
-        return Status::ok();
+        return ndk::ScopedAStatus::ok();
     }
 
   private:
@@ -93,88 +113,87 @@
     virtual void SetUp() override {
         int32_t managerIdx = std::get<0>(GetParam());
         int32_t vibratorId = std::get<1>(GetParam());
-        auto managerAidlNames = android::getAidlHalInstanceNames(IVibratorManager::descriptor);
 
         if (managerIdx < 0) {
             // Testing a unmanaged vibrator, using vibratorId as index from registered HALs
-            auto vibratorAidlNames = android::getAidlHalInstanceNames(IVibrator::descriptor);
-            ASSERT_LT(vibratorId, vibratorAidlNames.size());
-            auto vibratorName = String16(vibratorAidlNames[vibratorId].c_str());
-            vibrator = android::waitForDeclaredService<IVibrator>(vibratorName);
+            std::vector<std::string> vibratorNames = findUnmanagedVibratorNames();
+            ASSERT_LT(vibratorId, vibratorNames.size());
+            vibrator = IVibrator::fromBinder(ndk::SpAIBinder(
+                    AServiceManager_waitForService(vibratorNames[vibratorId].c_str())));
         } else {
             // Testing a managed vibrator, using vibratorId to retrieve it from the manager
-            ASSERT_LT(managerIdx, managerAidlNames.size());
-            auto managerName = String16(managerAidlNames[managerIdx].c_str());
-            auto vibratorManager = android::waitForDeclaredService<IVibratorManager>(managerName);
-            auto vibratorResult = vibratorManager->getVibrator(vibratorId, &vibrator);
-            ASSERT_TRUE(vibratorResult.isOk());
+            std::vector<std::string> managerNames = findVibratorManagerNames();
+            ASSERT_LT(managerIdx, managerNames.size());
+            auto vibratorManager = IVibratorManager::fromBinder(ndk::SpAIBinder(
+                    AServiceManager_waitForService(managerNames[managerIdx].c_str())));
+            EXPECT_OK(vibratorManager->getVibrator(vibratorId, &vibrator))
+                    << "\n  For vibrator id: " << vibratorId;
         }
 
         ASSERT_NE(vibrator, nullptr);
-        ASSERT_TRUE(vibrator->getCapabilities(&capabilities).isOk());
+        EXPECT_OK(vibrator->getCapabilities(&capabilities));
     }
 
     virtual void TearDown() override {
         // Reset vibrator state between tests.
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_OK(vibrator->off());
     }
 
-    sp<IVibrator> vibrator;
+    std::shared_ptr<IVibrator> vibrator;
     int32_t capabilities;
 };
 
-inline bool isUnknownOrUnsupported(Status status) {
-    return status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION ||
-           status.transactionError() == android::UNKNOWN_TRANSACTION;
-}
-
-static float getResonantFrequencyHz(sp<IVibrator> vibrator, int32_t capabilities) {
+static float getResonantFrequencyHz(const std::shared_ptr<IVibrator>& vibrator,
+                                    int32_t capabilities) {
     float resonantFrequencyHz;
-    Status status = vibrator->getResonantFrequency(&resonantFrequencyHz);
+    ndk::ScopedAStatus status = vibrator->getResonantFrequency(&resonantFrequencyHz);
     if (capabilities & IVibrator::CAP_GET_RESONANT_FREQUENCY) {
+        EXPECT_OK(std::move(status));
         EXPECT_GT(resonantFrequencyHz, 0);
-        EXPECT_EQ(status.exceptionCode(), Status::EX_NONE);
     } else {
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status));
     }
     return resonantFrequencyHz;
 }
 
-static float getFrequencyResolutionHz(sp<IVibrator> vibrator, int32_t capabilities) {
+static float getFrequencyResolutionHz(const std::shared_ptr<IVibrator>& vibrator,
+                                      int32_t capabilities) {
     float freqResolutionHz;
-    Status status = vibrator->getFrequencyResolution(&freqResolutionHz);
+    ndk::ScopedAStatus status = vibrator->getFrequencyResolution(&freqResolutionHz);
     if (capabilities & IVibrator::CAP_FREQUENCY_CONTROL) {
+        EXPECT_OK(std::move(status));
         EXPECT_GT(freqResolutionHz, 0);
-        EXPECT_EQ(status.exceptionCode(), Status::EX_NONE);
     } else {
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status));
     }
     return freqResolutionHz;
 }
 
-static float getFrequencyMinimumHz(sp<IVibrator> vibrator, int32_t capabilities) {
+static float getFrequencyMinimumHz(const std::shared_ptr<IVibrator>& vibrator,
+                                   int32_t capabilities) {
     float freqMinimumHz;
-    Status status = vibrator->getFrequencyMinimum(&freqMinimumHz);
+    ndk::ScopedAStatus status = vibrator->getFrequencyMinimum(&freqMinimumHz);
     if (capabilities & IVibrator::CAP_FREQUENCY_CONTROL) {
-        EXPECT_EQ(status.exceptionCode(), Status::EX_NONE);
+        EXPECT_OK(std::move(status));
 
         float resonantFrequencyHz = getResonantFrequencyHz(vibrator, capabilities);
 
         EXPECT_GT(freqMinimumHz, 0);
         EXPECT_LE(freqMinimumHz, resonantFrequencyHz);
     } else {
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status));
     }
     return freqMinimumHz;
 }
 
-static float getFrequencyMaximumHz(sp<IVibrator> vibrator, int32_t capabilities) {
+static float getFrequencyMaximumHz(const std::shared_ptr<IVibrator>& vibrator,
+                                   int32_t capabilities) {
     std::vector<float> bandwidthAmplitudeMap;
-    Status status = vibrator->getBandwidthAmplitudeMap(&bandwidthAmplitudeMap);
+    ndk::ScopedAStatus status = vibrator->getBandwidthAmplitudeMap(&bandwidthAmplitudeMap);
     if (capabilities & IVibrator::CAP_FREQUENCY_CONTROL) {
-        EXPECT_EQ(status.exceptionCode(), Status::EX_NONE);
+        EXPECT_OK(std::move(status));
     } else {
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status));
     }
 
     float freqMaximumHz = ((bandwidthAmplitudeMap.size() - 1) *
@@ -191,7 +210,8 @@
     return 1.0;
 }
 
-static ActivePwle composeValidActivePwle(sp<IVibrator> vibrator, int32_t capabilities) {
+static ActivePwle composeValidActivePwle(const std::shared_ptr<IVibrator>& vibrator,
+                                         int32_t capabilities) {
     float frequencyHz;
     if (capabilities & IVibrator::CAP_GET_RESONANT_FREQUENCY) {
         frequencyHz = getResonantFrequencyHz(vibrator, capabilities);
@@ -212,9 +232,9 @@
 }
 
 TEST_P(VibratorAidl, OnThenOffBeforeTimeout) {
-    EXPECT_TRUE(vibrator->on(2000, nullptr /*callback*/).isOk());
+    EXPECT_OK(vibrator->on(2000, nullptr /*callback*/));
     sleep(1);
-    EXPECT_TRUE(vibrator->off().isOk());
+    EXPECT_OK(vibrator->off());
 }
 
 TEST_P(VibratorAidl, OnWithCallback) {
@@ -223,26 +243,25 @@
 
     std::promise<void> completionPromise;
     std::future<void> completionFuture{completionPromise.get_future()};
-    sp<CompletionCallback> callback =
-        new CompletionCallback([&completionPromise] { completionPromise.set_value(); });
+    auto callback = ndk::SharedRefBase::make<CompletionCallback>(
+            [&completionPromise] { completionPromise.set_value(); });
     uint32_t durationMs = 250;
     auto timeout = std::chrono::milliseconds(durationMs) + VIBRATION_CALLBACK_TIMEOUT;
-    EXPECT_TRUE(vibrator->on(durationMs, callback).isOk());
+    EXPECT_OK(vibrator->on(durationMs, callback));
     EXPECT_EQ(completionFuture.wait_for(timeout), std::future_status::ready);
-    EXPECT_TRUE(vibrator->off().isOk());
+    EXPECT_OK(vibrator->off());
 }
 
 TEST_P(VibratorAidl, OnCallbackNotSupported) {
     if (!(capabilities & IVibrator::CAP_ON_CALLBACK)) {
-        sp<CompletionCallback> callback = new CompletionCallback([] {});
-        Status status = vibrator->on(250, callback);
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        auto callback = ndk::SharedRefBase::make<CompletionCallback>([] {});
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(vibrator->on(250, callback));
     }
 }
 
 TEST_P(VibratorAidl, ValidateEffect) {
     std::vector<Effect> supported;
-    ASSERT_TRUE(vibrator->getSupportedEffects(&supported).isOk());
+    EXPECT_OK(vibrator->getSupportedEffects(&supported));
 
     for (Effect effect : kEffects) {
         bool isEffectSupported =
@@ -250,15 +269,18 @@
 
         for (EffectStrength strength : kEffectStrengths) {
             int32_t lengthMs = 0;
-            Status status = vibrator->perform(effect, strength, nullptr /*callback*/, &lengthMs);
+            ndk::ScopedAStatus status =
+                    vibrator->perform(effect, strength, nullptr /*callback*/, &lengthMs);
 
             if (isEffectSupported) {
-                EXPECT_TRUE(status.isOk()) << toString(effect) << " " << toString(strength);
+                EXPECT_OK(std::move(status))
+                        << "\n  For effect: " << toString(effect) << " " << toString(strength);
                 EXPECT_GT(lengthMs, 0);
                 usleep(lengthMs * 1000);
+                EXPECT_OK(vibrator->off());
             } else {
-                EXPECT_TRUE(isUnknownOrUnsupported(status))
-                        << status << " " << toString(effect) << " " << toString(strength);
+                EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status))
+                        << "\n  For effect: " << toString(effect) << " " << toString(strength);
             }
         }
     }
@@ -269,7 +291,7 @@
         return;
 
     std::vector<Effect> supported;
-    ASSERT_TRUE(vibrator->getSupportedEffects(&supported).isOk());
+    EXPECT_OK(vibrator->getSupportedEffects(&supported));
 
     for (Effect effect : kEffects) {
         bool isEffectSupported =
@@ -278,25 +300,26 @@
         for (EffectStrength strength : kEffectStrengths) {
             std::promise<void> completionPromise;
             std::future<void> completionFuture{completionPromise.get_future()};
-            sp<CompletionCallback> callback =
-                new CompletionCallback([&completionPromise] { completionPromise.set_value(); });
+            auto callback = ndk::SharedRefBase::make<CompletionCallback>(
+                    [&completionPromise] { completionPromise.set_value(); });
             int lengthMs = 0;
-            Status status = vibrator->perform(effect, strength, callback, &lengthMs);
+            ndk::ScopedAStatus status = vibrator->perform(effect, strength, callback, &lengthMs);
 
             if (isEffectSupported) {
-                EXPECT_TRUE(status.isOk());
+                EXPECT_OK(std::move(status))
+                        << "\n  For effect: " << toString(effect) << " " << toString(strength);
                 EXPECT_GT(lengthMs, 0);
             } else {
-                EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+                EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status))
+                        << "\n  For effect: " << toString(effect) << " " << toString(strength);
             }
 
-            if (!status.isOk())
-                continue;
+            if (lengthMs <= 0) continue;
 
             auto timeout = std::chrono::milliseconds(lengthMs) + VIBRATION_CALLBACK_TIMEOUT;
             EXPECT_EQ(completionFuture.wait_for(timeout), std::future_status::ready);
 
-            EXPECT_TRUE(vibrator->off().isOk());
+            EXPECT_OK(vibrator->off());
         }
     }
 }
@@ -307,10 +330,10 @@
 
     for (Effect effect : kEffects) {
         for (EffectStrength strength : kEffectStrengths) {
-            sp<CompletionCallback> callback = new CompletionCallback([] {});
+            auto callback = ndk::SharedRefBase::make<CompletionCallback>([] {});
             int lengthMs;
-            Status status = vibrator->perform(effect, strength, callback, &lengthMs);
-            EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+            EXPECT_UNKNOWN_OR_UNSUPPORTED(vibrator->perform(effect, strength, callback, &lengthMs))
+                    << "\n  For effect: " << toString(effect) << " " << toString(strength);
         }
     }
 }
@@ -319,53 +342,52 @@
     for (Effect effect : kInvalidEffects) {
         for (EffectStrength strength : kEffectStrengths) {
             int32_t lengthMs;
-            Status status = vibrator->perform(effect, strength, nullptr /*callback*/, &lengthMs);
-            EXPECT_TRUE(isUnknownOrUnsupported(status))
-                    << status << toString(effect) << " " << toString(strength);
+            EXPECT_UNKNOWN_OR_UNSUPPORTED(
+                    vibrator->perform(effect, strength, nullptr /*callback*/, &lengthMs))
+                    << "\n  For effect: " << toString(effect) << " " << toString(strength);
         }
     }
     for (Effect effect : kEffects) {
         for (EffectStrength strength : kInvalidEffectStrengths) {
             int32_t lengthMs;
-            Status status = vibrator->perform(effect, strength, nullptr /*callback*/, &lengthMs);
-            EXPECT_TRUE(isUnknownOrUnsupported(status))
-                    << status << " " << toString(effect) << " " << toString(strength);
+            EXPECT_UNKNOWN_OR_UNSUPPORTED(
+                    vibrator->perform(effect, strength, nullptr /*callback*/, &lengthMs))
+                    << "\n  For effect: " << toString(effect) << " " << toString(strength);
         }
     }
 }
 
 TEST_P(VibratorAidl, ChangeVibrationAmplitude) {
     if (capabilities & IVibrator::CAP_AMPLITUDE_CONTROL) {
-        EXPECT_EQ(Status::EX_NONE, vibrator->setAmplitude(0.1f).exceptionCode());
-        EXPECT_TRUE(vibrator->on(2000, nullptr /*callback*/).isOk());
-        EXPECT_EQ(Status::EX_NONE, vibrator->setAmplitude(0.5f).exceptionCode());
+        EXPECT_OK(vibrator->setAmplitude(0.1f));
+        EXPECT_OK(vibrator->on(2000, nullptr /*callback*/));
+        EXPECT_OK(vibrator->setAmplitude(0.5f));
         sleep(1);
-        EXPECT_EQ(Status::EX_NONE, vibrator->setAmplitude(1.0f).exceptionCode());
+        EXPECT_OK(vibrator->setAmplitude(1.0f));
         sleep(1);
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_OK(vibrator->off());
     }
 }
 
 TEST_P(VibratorAidl, AmplitudeOutsideRangeFails) {
     if (capabilities & IVibrator::CAP_AMPLITUDE_CONTROL) {
-        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT, vibrator->setAmplitude(-1).exceptionCode());
-        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT, vibrator->setAmplitude(0).exceptionCode());
-        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT, vibrator->setAmplitude(1.1).exceptionCode());
+        EXPECT_ILLEGAL_ARGUMENT(vibrator->setAmplitude(-1));
+        EXPECT_ILLEGAL_ARGUMENT(vibrator->setAmplitude(0));
+        EXPECT_ILLEGAL_ARGUMENT(vibrator->setAmplitude(1.1));
     }
 }
 
 TEST_P(VibratorAidl, AmplitudeReturnsUnsupportedMatchingCapabilities) {
     if ((capabilities & IVibrator::CAP_AMPLITUDE_CONTROL) == 0) {
-        Status status = vibrator->setAmplitude(1);
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(vibrator->setAmplitude(1));
     }
 }
 
 TEST_P(VibratorAidl, ChangeVibrationExternalControl) {
     if (capabilities & IVibrator::CAP_EXTERNAL_CONTROL) {
-        EXPECT_TRUE(vibrator->setExternalControl(true).isOk());
+        EXPECT_OK(vibrator->setExternalControl(true));
         sleep(1);
-        EXPECT_TRUE(vibrator->setExternalControl(false).isOk());
+        EXPECT_OK(vibrator->setExternalControl(false));
         sleep(1);
     }
 }
@@ -375,15 +397,15 @@
         (capabilities & IVibrator::CAP_EXTERNAL_AMPLITUDE_CONTROL) > 0;
 
     if (capabilities & IVibrator::CAP_EXTERNAL_CONTROL) {
-        EXPECT_TRUE(vibrator->setExternalControl(true).isOk());
+        EXPECT_OK(vibrator->setExternalControl(true));
 
-        Status amplitudeStatus = vibrator->setAmplitude(0.5);
         if (supportsExternalAmplitudeControl) {
-            EXPECT_TRUE(amplitudeStatus.isOk());
+            EXPECT_OK(vibrator->setAmplitude(0.5));
         } else {
-            EXPECT_TRUE(isUnknownOrUnsupported(amplitudeStatus)) << amplitudeStatus;
+            EXPECT_UNKNOWN_OR_UNSUPPORTED(vibrator->setAmplitude(0.5));
         }
-        EXPECT_TRUE(vibrator->setExternalControl(false).isOk());
+
+        EXPECT_OK(vibrator->setExternalControl(false));
     } else {
         EXPECT_FALSE(supportsExternalAmplitudeControl);
     }
@@ -391,18 +413,16 @@
 
 TEST_P(VibratorAidl, ExternalControlUnsupportedMatchingCapabilities) {
     if ((capabilities & IVibrator::CAP_EXTERNAL_CONTROL) == 0) {
-        Status status = vibrator->setExternalControl(true);
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(vibrator->setExternalControl(true));
     }
 }
 
 TEST_P(VibratorAidl, GetSupportedPrimitives) {
     if (capabilities & IVibrator::CAP_COMPOSE_EFFECTS) {
         std::vector<CompositePrimitive> supported;
+        EXPECT_OK(vibrator->getSupportedPrimitives(&supported));
 
-        EXPECT_EQ(Status::EX_NONE, vibrator->getSupportedPrimitives(&supported).exceptionCode());
-
-        for (auto primitive : kCompositePrimitives) {
+        for (CompositePrimitive primitive : kCompositePrimitives) {
             bool isPrimitiveSupported =
                 std::find(supported.begin(), supported.end(), primitive) != supported.end();
             bool isPrimitiveRequired =
@@ -417,22 +437,23 @@
 TEST_P(VibratorAidl, GetPrimitiveDuration) {
     if (capabilities & IVibrator::CAP_COMPOSE_EFFECTS) {
         std::vector<CompositePrimitive> supported;
-        ASSERT_TRUE(vibrator->getSupportedPrimitives(&supported).isOk());
+        EXPECT_OK(vibrator->getSupportedPrimitives(&supported));
 
-        for (auto primitive : kCompositePrimitives) {
+        for (CompositePrimitive primitive : kCompositePrimitives) {
             bool isPrimitiveSupported =
                 std::find(supported.begin(), supported.end(), primitive) != supported.end();
             int32_t duration;
 
-            Status status = vibrator->getPrimitiveDuration(primitive, &duration);
-
             if (isPrimitiveSupported) {
-                EXPECT_EQ(Status::EX_NONE, status.exceptionCode());
+                EXPECT_OK(vibrator->getPrimitiveDuration(primitive, &duration))
+                        << "\n  For primitive: " << toString(primitive) << " " << duration;
                 if (primitive != CompositePrimitive::NOOP) {
-                    ASSERT_GT(duration, 0) << toString(primitive) << " " << duration;
+                    ASSERT_GT(duration, 0)
+                            << "\n  For primitive: " << toString(primitive) << " " << duration;
                 }
             } else {
-                EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+                EXPECT_UNKNOWN_OR_UNSUPPORTED(vibrator->getPrimitiveDuration(primitive, &duration))
+                        << "\n  For primitive: " << toString(primitive);
             }
         }
     }
@@ -446,14 +467,14 @@
     std::vector<CompositePrimitive> supported;
     int32_t maxDelay, maxSize;
 
-    ASSERT_TRUE(vibrator->getSupportedPrimitives(&supported).isOk());
-    EXPECT_EQ(Status::EX_NONE, vibrator->getCompositionDelayMax(&maxDelay).exceptionCode());
-    EXPECT_EQ(Status::EX_NONE, vibrator->getCompositionSizeMax(&maxSize).exceptionCode());
+    EXPECT_OK(vibrator->getSupportedPrimitives(&supported));
+    EXPECT_OK(vibrator->getCompositionDelayMax(&maxDelay));
+    EXPECT_OK(vibrator->getCompositionSizeMax(&maxSize));
 
     std::vector<CompositeEffect> composite;
 
     for (int i = 0; i < supported.size(); i++) {
-        auto primitive = supported[i];
+        CompositePrimitive primitive = supported[i];
         float t = static_cast<float>(i + 1) / supported.size();
         CompositeEffect effect;
 
@@ -467,8 +488,8 @@
     }
 
     if (composite.size() != 0) {
-        EXPECT_EQ(Status::EX_NONE, vibrator->compose(composite, nullptr).exceptionCode());
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_OK(vibrator->compose(composite, nullptr));
+        EXPECT_OK(vibrator->off());
     }
 }
 
@@ -477,12 +498,12 @@
         GTEST_SKIP() << "CAP_COMPOSE_EFFECTS not supported";
     }
 
-    auto unsupported = kInvalidPrimitives;
+    std::vector<CompositePrimitive> unsupported(kInvalidPrimitives);
     std::vector<CompositePrimitive> supported;
 
-    ASSERT_TRUE(vibrator->getSupportedPrimitives(&supported).isOk());
+    EXPECT_OK(vibrator->getSupportedPrimitives(&supported));
 
-    for (auto primitive : kCompositePrimitives) {
+    for (CompositePrimitive primitive : kCompositePrimitives) {
         bool isPrimitiveSupported =
                 std::find(supported.begin(), supported.end(), primitive) != supported.end();
 
@@ -491,16 +512,15 @@
         }
     }
 
-    for (auto primitive : unsupported) {
+    for (CompositePrimitive primitive : unsupported) {
         std::vector<CompositeEffect> composite(1);
 
-        for (auto& effect : composite) {
+        for (CompositeEffect& effect : composite) {
             effect.delayMs = 0;
             effect.primitive = primitive;
             effect.scale = 1.0f;
         }
-        Status status = vibrator->compose(composite, nullptr);
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(vibrator->compose(composite, nullptr));
     }
 }
 
@@ -516,18 +536,18 @@
     effect.primitive = CompositePrimitive::CLICK;
 
     effect.scale = std::nextafter(0.0f, -1.0f);
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT, vibrator->compose(composite, nullptr).exceptionCode());
+    EXPECT_ILLEGAL_ARGUMENT(vibrator->compose(composite, nullptr));
 
     effect.scale = 0.0f;
-    EXPECT_EQ(Status::EX_NONE, vibrator->compose(composite, nullptr).exceptionCode());
-    EXPECT_TRUE(vibrator->off().isOk());
+    EXPECT_OK(vibrator->compose(composite, nullptr));
+    EXPECT_OK(vibrator->off());
 
     effect.scale = 1.0f;
-    EXPECT_EQ(Status::EX_NONE, vibrator->compose(composite, nullptr).exceptionCode());
-    EXPECT_TRUE(vibrator->off().isOk());
+    EXPECT_OK(vibrator->compose(composite, nullptr));
+    EXPECT_OK(vibrator->off());
 
     effect.scale = std::nextafter(1.0f, 2.0f);
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT, vibrator->compose(composite, nullptr).exceptionCode());
+    EXPECT_ILLEGAL_ARGUMENT(vibrator->compose(composite, nullptr));
 }
 
 TEST_P(VibratorAidl, ComposeDelayBoundary) {
@@ -537,7 +557,7 @@
 
     int32_t maxDelay;
 
-    EXPECT_EQ(Status::EX_NONE, vibrator->getCompositionDelayMax(&maxDelay).exceptionCode());
+    EXPECT_OK(vibrator->getCompositionDelayMax(&maxDelay));
 
     std::vector<CompositeEffect> composite(1);
     CompositeEffect& effect = composite[0];
@@ -546,19 +566,19 @@
     effect.scale = 1.0f;
 
     effect.delayMs = 0;
-    EXPECT_EQ(Status::EX_NONE, vibrator->compose(composite, nullptr).exceptionCode());
-    EXPECT_TRUE(vibrator->off().isOk());
+    EXPECT_OK(vibrator->compose(composite, nullptr));
+    EXPECT_OK(vibrator->off());
 
     effect.delayMs = 1;
-    EXPECT_EQ(Status::EX_NONE, vibrator->compose(composite, nullptr).exceptionCode());
-    EXPECT_TRUE(vibrator->off().isOk());
+    EXPECT_OK(vibrator->compose(composite, nullptr));
+    EXPECT_OK(vibrator->off());
 
     effect.delayMs = maxDelay;
-    EXPECT_EQ(Status::EX_NONE, vibrator->compose(composite, nullptr).exceptionCode());
-    EXPECT_TRUE(vibrator->off().isOk());
+    EXPECT_OK(vibrator->compose(composite, nullptr));
+    EXPECT_OK(vibrator->off());
 
     effect.delayMs = maxDelay + 1;
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT, vibrator->compose(composite, nullptr).exceptionCode());
+    EXPECT_ILLEGAL_ARGUMENT(vibrator->compose(composite, nullptr));
 }
 
 TEST_P(VibratorAidl, ComposeSizeBoundary) {
@@ -568,7 +588,7 @@
 
     int32_t maxSize;
 
-    EXPECT_EQ(Status::EX_NONE, vibrator->getCompositionSizeMax(&maxSize).exceptionCode());
+    EXPECT_OK(vibrator->getCompositionSizeMax(&maxSize));
 
     std::vector<CompositeEffect> composite(maxSize);
     CompositeEffect effect;
@@ -578,11 +598,11 @@
     effect.scale = 1.0f;
 
     std::fill(composite.begin(), composite.end(), effect);
-    EXPECT_EQ(Status::EX_NONE, vibrator->compose(composite, nullptr).exceptionCode());
-    EXPECT_TRUE(vibrator->off().isOk());
+    EXPECT_OK(vibrator->compose(composite, nullptr));
+    EXPECT_OK(vibrator->off());
 
     composite.emplace_back(effect);
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT, vibrator->compose(composite, nullptr).exceptionCode());
+    EXPECT_ILLEGAL_ARGUMENT(vibrator->compose(composite, nullptr));
 }
 
 TEST_P(VibratorAidl, ComposeCallback) {
@@ -591,18 +611,17 @@
     }
 
     std::vector<CompositePrimitive> supported;
+    EXPECT_OK(vibrator->getSupportedPrimitives(&supported));
 
-    ASSERT_TRUE(vibrator->getSupportedPrimitives(&supported).isOk());
-
-    for (auto primitive : supported) {
+    for (CompositePrimitive primitive : supported) {
         if (primitive == CompositePrimitive::NOOP) {
             continue;
         }
 
         std::promise<void> completionPromise;
         std::future<void> completionFuture{completionPromise.get_future()};
-        sp<CompletionCallback> callback =
-                new CompletionCallback([&completionPromise] { completionPromise.set_value(); });
+        auto callback = ndk::SharedRefBase::make<CompletionCallback>(
+                [&completionPromise] { completionPromise.set_value(); });
         CompositeEffect effect;
         std::vector<CompositeEffect> composite;
         int32_t durationMs;
@@ -615,50 +634,50 @@
         effect.scale = 1.0f;
         composite.emplace_back(effect);
 
-        EXPECT_EQ(Status::EX_NONE,
-                  vibrator->getPrimitiveDuration(primitive, &durationMs).exceptionCode())
-                << toString(primitive);
+        EXPECT_OK(vibrator->getPrimitiveDuration(primitive, &durationMs))
+                << "\n  For primitive: " << toString(primitive);
         duration = std::chrono::milliseconds(durationMs);
 
         start = high_resolution_clock::now();
-        EXPECT_EQ(Status::EX_NONE, vibrator->compose(composite, callback).exceptionCode())
-                << toString(primitive);
+        EXPECT_OK(vibrator->compose(composite, callback))
+                << "\n  For primitive: " << toString(primitive);
 
         EXPECT_EQ(completionFuture.wait_for(duration + VIBRATION_CALLBACK_TIMEOUT),
                   std::future_status::ready)
-                << toString(primitive);
+                << "\n  For primitive: " << toString(primitive);
         end = high_resolution_clock::now();
 
         elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(end - start);
-        EXPECT_GE(elapsed.count(), duration.count()) << toString(primitive);
+        EXPECT_GE(elapsed.count(), duration.count())
+                << "\n  For primitive: " << toString(primitive);
 
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_OK(vibrator->off()) << "\n  For primitive: " << toString(primitive);
     }
 }
 
 TEST_P(VibratorAidl, AlwaysOn) {
     if (capabilities & IVibrator::CAP_ALWAYS_ON_CONTROL) {
         std::vector<Effect> supported;
-        ASSERT_TRUE(vibrator->getSupportedAlwaysOnEffects(&supported).isOk());
+        EXPECT_OK(vibrator->getSupportedAlwaysOnEffects(&supported));
 
         for (Effect effect : kEffects) {
             bool isEffectSupported =
                 std::find(supported.begin(), supported.end(), effect) != supported.end();
 
             for (EffectStrength strength : kEffectStrengths) {
-                Status status = vibrator->alwaysOnEnable(0, effect, strength);
+                ndk::ScopedAStatus status = vibrator->alwaysOnEnable(0, effect, strength);
 
                 if (isEffectSupported) {
-                    EXPECT_EQ(Status::EX_NONE, status.exceptionCode())
-                        << toString(effect) << " " << toString(strength);
+                    EXPECT_OK(std::move(status))
+                            << "\n  For effect: " << toString(effect) << " " << toString(strength);
                 } else {
-                    EXPECT_TRUE(isUnknownOrUnsupported(status))
-                            << status << " " << toString(effect) << " " << toString(strength);
+                    EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status))
+                            << "\n  For effect: " << toString(effect) << " " << toString(strength);
                 }
             }
         }
 
-        EXPECT_EQ(Status::EX_NONE, vibrator->alwaysOnDisable(0).exceptionCode());
+        EXPECT_OK(vibrator->alwaysOnDisable(0));
     }
 }
 
@@ -668,12 +687,12 @@
 
 TEST_P(VibratorAidl, GetQFactor) {
     float qFactor;
-    Status status = vibrator->getQFactor(&qFactor);
+    ndk::ScopedAStatus status = vibrator->getQFactor(&qFactor);
     if (capabilities & IVibrator::CAP_GET_Q_FACTOR) {
+        EXPECT_OK(std::move(status));
         ASSERT_GT(qFactor, 0);
-        EXPECT_EQ(status.exceptionCode(), Status::EX_NONE);
     } else {
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status));
     }
 }
 
@@ -687,9 +706,9 @@
 
 TEST_P(VibratorAidl, GetBandwidthAmplitudeMap) {
     std::vector<float> bandwidthAmplitudeMap;
-    Status status = vibrator->getBandwidthAmplitudeMap(&bandwidthAmplitudeMap);
+    ndk::ScopedAStatus status = vibrator->getBandwidthAmplitudeMap(&bandwidthAmplitudeMap);
     if (capabilities & IVibrator::CAP_FREQUENCY_CONTROL) {
-        EXPECT_EQ(status.exceptionCode(), Status::EX_NONE);
+        EXPECT_OK(std::move(status));
         ASSERT_FALSE(bandwidthAmplitudeMap.empty());
 
         int minMapSize = (getResonantFrequencyHz(vibrator, capabilities) -
@@ -702,42 +721,42 @@
             ASSERT_LE(e, 1.0);
         }
     } else {
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status));
     }
 }
 
 TEST_P(VibratorAidl, GetPwlePrimitiveDurationMax) {
     int32_t durationMs;
-    Status status = vibrator->getPwlePrimitiveDurationMax(&durationMs);
+    ndk::ScopedAStatus status = vibrator->getPwlePrimitiveDurationMax(&durationMs);
     if (capabilities & IVibrator::CAP_COMPOSE_PWLE_EFFECTS) {
+        EXPECT_OK(std::move(status));
         ASSERT_NE(durationMs, 0);
-        EXPECT_EQ(status.exceptionCode(), Status::EX_NONE);
     } else {
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status));
     }
 }
 
 TEST_P(VibratorAidl, GetPwleCompositionSizeMax) {
     int32_t maxSize;
-    Status status = vibrator->getPwleCompositionSizeMax(&maxSize);
+    ndk::ScopedAStatus status = vibrator->getPwleCompositionSizeMax(&maxSize);
     if (capabilities & IVibrator::CAP_COMPOSE_PWLE_EFFECTS) {
+        EXPECT_OK(std::move(status));
         ASSERT_NE(maxSize, 0);
-        EXPECT_EQ(status.exceptionCode(), Status::EX_NONE);
     } else {
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status));
     }
 }
 
 TEST_P(VibratorAidl, GetSupportedBraking) {
     std::vector<Braking> supported;
-    Status status = vibrator->getSupportedBraking(&supported);
+    ndk::ScopedAStatus status = vibrator->getSupportedBraking(&supported);
     if (capabilities & IVibrator::CAP_COMPOSE_PWLE_EFFECTS) {
         bool isDefaultNoneSupported =
             std::find(supported.begin(), supported.end(), Braking::NONE) != supported.end();
+        EXPECT_OK(std::move(status));
         ASSERT_TRUE(isDefaultNoneSupported);
-        EXPECT_EQ(status.exceptionCode(), Status::EX_NONE);
     } else {
-        EXPECT_TRUE(isUnknownOrUnsupported(status)) << status;
+        EXPECT_UNKNOWN_OR_UNSUPPORTED(std::move(status));
     }
 }
 
@@ -746,7 +765,7 @@
         ActivePwle firstActive = composeValidActivePwle(vibrator, capabilities);
 
         std::vector<Braking> supported;
-        ASSERT_TRUE(vibrator->getSupportedBraking(&supported).isOk());
+        EXPECT_OK(vibrator->getSupportedBraking(&supported));
         bool isClabSupported =
             std::find(supported.begin(), supported.end(), Braking::CLAB) != supported.end();
         BrakingPwle firstBraking;
@@ -765,11 +784,11 @@
         secondBraking.braking = Braking::NONE;
         secondBraking.duration = 10;
 
-        auto pwleQueue =
-            std::vector<PrimitivePwle>{firstActive, firstBraking, secondActive, secondBraking};
+        std::vector<PrimitivePwle> pwleQueue = {firstActive, firstBraking, secondActive,
+                                                secondBraking};
 
-        EXPECT_EQ(Status::EX_NONE, vibrator->composePwle(pwleQueue, nullptr).exceptionCode());
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_OK(vibrator->composePwle(pwleQueue, nullptr));
+        EXPECT_OK(vibrator->off());
     }
 }
 
@@ -780,8 +799,8 @@
 
     std::promise<void> completionPromise;
     std::future<void> completionFuture{completionPromise.get_future()};
-    sp<CompletionCallback> callback =
-        new CompletionCallback([&completionPromise] { completionPromise.set_value(); });
+    auto callback = ndk::SharedRefBase::make<CompletionCallback>(
+            [&completionPromise] { completionPromise.set_value(); });
     int32_t segmentDurationMaxMs;
     vibrator->getPwlePrimitiveDurationMax(&segmentDurationMaxMs);
     uint32_t durationMs = segmentDurationMaxMs * 2 + 100;  // Sum of 2 active and 1 braking below
@@ -790,27 +809,25 @@
     ActivePwle active = composeValidActivePwle(vibrator, capabilities);
 
     std::vector<Braking> supported;
-    ASSERT_TRUE(vibrator->getSupportedBraking(&supported).isOk());
+    EXPECT_OK(vibrator->getSupportedBraking(&supported));
     bool isClabSupported =
         std::find(supported.begin(), supported.end(), Braking::CLAB) != supported.end();
     BrakingPwle braking;
     braking.braking = isClabSupported ? Braking::CLAB : Braking::NONE;
     braking.duration = 100;
 
-    auto pwleQueue = std::vector<PrimitivePwle>{active, braking, active};
+    std::vector<PrimitivePwle> pwleQueue = {active, braking, active};
 
-    EXPECT_TRUE(vibrator->composePwle(pwleQueue, callback).isOk());
+    EXPECT_OK(vibrator->composePwle(pwleQueue, callback));
     EXPECT_EQ(completionFuture.wait_for(timeout), std::future_status::ready);
-    EXPECT_TRUE(vibrator->off().isOk());
+    EXPECT_OK(vibrator->off());
 }
 
 TEST_P(VibratorAidl, ComposePwleSegmentBoundary) {
     if (capabilities & IVibrator::CAP_COMPOSE_PWLE_EFFECTS) {
         std::vector<PrimitivePwle> pwleQueue;
         // test empty queue
-        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-                  vibrator->composePwle(pwleQueue, nullptr).exceptionCode());
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_ILLEGAL_ARGUMENT(vibrator->composePwle(pwleQueue, nullptr));
 
         ActivePwle active = composeValidActivePwle(vibrator, capabilities);
 
@@ -824,9 +841,7 @@
             pwleQueue.emplace_back(std::move(pwle));
         }
 
-        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-                  vibrator->composePwle(pwleQueue, nullptr).exceptionCode());
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_ILLEGAL_ARGUMENT(vibrator->composePwle(pwleQueue, nullptr));
     }
 }
 
@@ -836,20 +851,16 @@
         active.startAmplitude = getAmplitudeMax() + 1.0;  // Amplitude greater than allowed
         active.endAmplitude = getAmplitudeMax() + 1.0;    // Amplitude greater than allowed
 
-        auto pwleQueueGreater = std::vector<PrimitivePwle>{active};
+        std::vector<PrimitivePwle> pwleQueueGreater = {active};
 
-        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-                  vibrator->composePwle(pwleQueueGreater, nullptr).exceptionCode());
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_ILLEGAL_ARGUMENT(vibrator->composePwle(pwleQueueGreater, nullptr));
 
         active.startAmplitude = getAmplitudeMin() - 1.0;  // Amplitude less than allowed
         active.endAmplitude = getAmplitudeMin() - 1.0;    // Amplitude less than allowed
 
-        auto pwleQueueLess = std::vector<PrimitivePwle>{active};
+        std::vector<PrimitivePwle> pwleQueueLess = {active};
 
-        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-                  vibrator->composePwle(pwleQueueLess, nullptr).exceptionCode());
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_ILLEGAL_ARGUMENT(vibrator->composePwle(pwleQueueLess, nullptr));
     }
 }
 
@@ -865,20 +876,16 @@
             freqMaximumHz + freqResolutionHz;                    // Frequency greater than allowed
         active.endFrequency = freqMaximumHz + freqResolutionHz;  // Frequency greater than allowed
 
-        auto pwleQueueGreater = std::vector<PrimitivePwle>{active};
+        std::vector<PrimitivePwle> pwleQueueGreater = {active};
 
-        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-                  vibrator->composePwle(pwleQueueGreater, nullptr).exceptionCode());
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_ILLEGAL_ARGUMENT(vibrator->composePwle(pwleQueueGreater, nullptr));
 
         active.startFrequency = freqMinimumHz - freqResolutionHz;  // Frequency less than allowed
         active.endFrequency = freqMinimumHz - freqResolutionHz;    // Frequency less than allowed
 
-        auto pwleQueueLess = std::vector<PrimitivePwle>{active};
+        std::vector<PrimitivePwle> pwleQueueLess = {active};
 
-        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-                  vibrator->composePwle(pwleQueueLess, nullptr).exceptionCode());
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_ILLEGAL_ARGUMENT(vibrator->composePwle(pwleQueueLess, nullptr));
     }
 }
 
@@ -890,32 +897,30 @@
         vibrator->getPwlePrimitiveDurationMax(&segmentDurationMaxMs);
         active.duration = segmentDurationMaxMs + 10;  // Segment duration greater than allowed
 
-        auto pwleQueue = std::vector<PrimitivePwle>{active};
+        std::vector<PrimitivePwle> pwleQueue = {active};
 
-        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-                  vibrator->composePwle(pwleQueue, nullptr).exceptionCode());
-        EXPECT_TRUE(vibrator->off().isOk());
+        EXPECT_ILLEGAL_ARGUMENT(vibrator->composePwle(pwleQueue, nullptr));
     }
 }
 
 std::vector<std::tuple<int32_t, int32_t>> GenerateVibratorMapping() {
     std::vector<std::tuple<int32_t, int32_t>> tuples;
-    auto managerAidlNames = android::getAidlHalInstanceNames(IVibratorManager::descriptor);
-    std::vector<int32_t> vibratorIds;
 
-    for (int i = 0; i < managerAidlNames.size(); i++) {
-        auto managerName = String16(managerAidlNames[i].c_str());
-        auto vibratorManager = android::waitForDeclaredService<IVibratorManager>(managerName);
+    std::vector<std::string> managerNames = findVibratorManagerNames();
+    std::vector<int32_t> vibratorIds;
+    for (int i = 0; i < managerNames.size(); i++) {
+        auto vibratorManager = IVibratorManager::fromBinder(
+                ndk::SpAIBinder(AServiceManager_waitForService(managerNames[i].c_str())));
         if (vibratorManager->getVibratorIds(&vibratorIds).isOk()) {
-            for (auto &vibratorId : vibratorIds) {
-                tuples.push_back(std::make_tuple(i, vibratorId));
+            for (int32_t vibratorId : vibratorIds) {
+                tuples.emplace_back(i, vibratorId);
             }
         }
     }
 
-    auto vibratorAidlNames = android::getAidlHalInstanceNames(IVibrator::descriptor);
-    for (int i = 0; i < vibratorAidlNames.size(); i++) {
-        tuples.push_back(std::make_tuple(-1, i));
+    std::vector<std::string> vibratorNames = findUnmanagedVibratorNames();
+    for (int i = 0; i < vibratorNames.size(); i++) {
+        tuples.emplace_back(-1, i);
     }
 
     return tuples;
@@ -936,7 +941,7 @@
 
 int main(int argc, char **argv) {
     ::testing::InitGoogleTest(&argc, argv);
-    ProcessState::self()->setThreadPoolMaxThreadCount(1);
-    ProcessState::self()->startThreadPool();
+    ABinderProcess_setThreadPoolMaxThreadCount(1);
+    ABinderProcess_startThreadPool();
     return RUN_ALL_TESTS();
 }
diff --git a/vibrator/aidl/vts/test_utils.h b/vibrator/aidl/vts/test_utils.h
new file mode 100644
index 0000000..aaf3211
--- /dev/null
+++ b/vibrator/aidl/vts/test_utils.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2024 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 VIBRATOR_HAL_TEST_UTILS_H
+#define VIBRATOR_HAL_TEST_UTILS_H
+
+#include <android/binder_auto_utils.h>
+#include <gtest/gtest.h>
+
+#if !defined(EXPECT_OK)
+#define EXPECT_OK(expression)                                                \
+    GTEST_AMBIGUOUS_ELSE_BLOCKER_                                            \
+    if (const ::ndk::ScopedAStatus&& _status = (expression); _status.isOk()) \
+        ;                                                                    \
+    else                                                                     \
+        ADD_FAILURE() << "Expected STATUS_OK for: " << #expression << "\n  Actual: " << _status
+#else
+#error Macro EXPECT_OK already defined unexpectedly
+#endif
+
+#if !defined(EXPECT_UNKNOWN_OR_UNSUPPORTED)
+#define EXPECT_UNKNOWN_OR_UNSUPPORTED(expression)                                                \
+    GTEST_AMBIGUOUS_ELSE_BLOCKER_                                                                \
+    if (const ::ndk::ScopedAStatus&& _status = (expression);                                     \
+        _status.getExceptionCode() == EX_UNSUPPORTED_OPERATION ||                                \
+        _status.getStatus() == STATUS_UNKNOWN_TRANSACTION)                                       \
+        ;                                                                                        \
+    else                                                                                         \
+        ADD_FAILURE() << "Expected STATUS_UNKNOWN_TRANSACTION or EX_UNSUPPORTED_OPERATION for: " \
+                      << #expression << "\n  Actual: " << _status
+#else
+#error Macro EXPECT_UNKNOWN_OR_UNSUPPORTED already defined unexpectedly
+#endif
+
+#if !defined(EXPECT_ILLEGAL_ARGUMENT)
+#define EXPECT_ILLEGAL_ARGUMENT(expression)                                  \
+    GTEST_AMBIGUOUS_ELSE_BLOCKER_                                            \
+    if (const ::ndk::ScopedAStatus&& _status = (expression);                 \
+        _status.getExceptionCode() == EX_ILLEGAL_ARGUMENT)                   \
+        ;                                                                    \
+    else                                                                     \
+        ADD_FAILURE() << "Expected EX_ILLEGAL_ARGUMENT for: " << #expression \
+                      << "\n  Actual: " << _status
+#else
+#error Macro EXPECT_ILLEGAL_ARGUMENT already defined unexpectedly
+#endif
+
+#endif  // VIBRATOR_HAL_TEST_UTILS_H