Merge SP1A.210122.003

Change-Id: I48e52b88645c81351c04f3783085751522b6e99c

1 files changed, 951 insertions, 0 deletions

diff --git a/neuralnetworks/1.3/utils/test/DeviceTest.cpp b/neuralnetworks/1.3/utils/test/DeviceTest.cpp
new file mode 100644
index 0000000000..f260990471
--- /dev/null
+++ b/neuralnetworks/1.3/utils/test/DeviceTest.cpp
@@ -0,0 +1,951 @@
+/*
+ * Copyright (C) 2020 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 "MockBuffer.h"
+#include "MockDevice.h"
+#include "MockPreparedModel.h"
+
+#include <android/hardware/neuralnetworks/1.3/IDevice.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <nnapi/IDevice.h>
+#include <nnapi/TypeUtils.h>
+#include <nnapi/Types.h>
+#include <nnapi/hal/1.3/Device.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+
+namespace android::hardware::neuralnetworks::V1_3::utils {
+namespace {
+
+using ::testing::_;
+using ::testing::Invoke;
+using ::testing::InvokeWithoutArgs;
+
+const nn::Model kSimpleModel = {
+        .main = {.operands = {{.type = nn::OperandType::TENSOR_FLOAT32,
+                               .dimensions = {1},
+                               .lifetime = nn::Operand::LifeTime::SUBGRAPH_INPUT},
+                              {.type = nn::OperandType::TENSOR_FLOAT32,
+                               .dimensions = {1},
+                               .lifetime = nn::Operand::LifeTime::SUBGRAPH_OUTPUT}},
+                 .operations = {{.type = nn::OperationType::RELU, .inputs = {0}, .outputs = {1}}},
+                 .inputIndexes = {0},
+                 .outputIndexes = {1}}};
+
+const std::string kName = "Google-MockV1";
+const std::string kInvalidName = "";
+const sp<V1_3::IDevice> kInvalidDevice;
+constexpr V1_0::PerformanceInfo kNoPerformanceInfo = {
+        .execTime = std::numeric_limits<float>::max(),
+        .powerUsage = std::numeric_limits<float>::max()};
+
+template <typename... Args>
+auto makeCallbackReturn(Args&&... args) {
+    return [argPack = std::make_tuple(std::forward<Args>(args)...)](const auto& cb) {
+        std::apply(cb, argPack);
+        return Void();
+    };
+}
+
+sp<MockDevice> createMockDevice() {
+    const auto mockDevice = MockDevice::create();
+
+    // Setup default actions for each relevant call.
+    const auto getVersionString_ret = makeCallbackReturn(V1_0::ErrorStatus::NONE, kName);
+    const auto getType_ret = makeCallbackReturn(V1_0::ErrorStatus::NONE, V1_2::DeviceType::OTHER);
+    const auto getSupportedExtensions_ret =
+            makeCallbackReturn(V1_0::ErrorStatus::NONE, hidl_vec<V1_2::Extension>{});
+    const auto getNumberOfCacheFilesNeeded_ret = makeCallbackReturn(
+            V1_0::ErrorStatus::NONE, nn::kMaxNumberOfCacheFiles, nn::kMaxNumberOfCacheFiles);
+    const auto getCapabilities_ret = makeCallbackReturn(
+            V1_3::ErrorStatus::NONE,
+            V1_3::Capabilities{
+                    .relaxedFloat32toFloat16PerformanceScalar = kNoPerformanceInfo,
+                    .relaxedFloat32toFloat16PerformanceTensor = kNoPerformanceInfo,
+                    .ifPerformance = kNoPerformanceInfo,
+                    .whilePerformance = kNoPerformanceInfo,
+            });
+
+    // Setup default actions for each relevant call.
+    ON_CALL(*mockDevice, getVersionString(_)).WillByDefault(Invoke(getVersionString_ret));
+    ON_CALL(*mockDevice, getType(_)).WillByDefault(Invoke(getType_ret));
+    ON_CALL(*mockDevice, getSupportedExtensions(_))
+            .WillByDefault(Invoke(getSupportedExtensions_ret));
+    ON_CALL(*mockDevice, getNumberOfCacheFilesNeeded(_))
+            .WillByDefault(Invoke(getNumberOfCacheFilesNeeded_ret));
+    ON_CALL(*mockDevice, getCapabilities_1_3(_)).WillByDefault(Invoke(getCapabilities_ret));
+
+    // Ensure that older calls are not used.
+    EXPECT_CALL(*mockDevice, getCapabilities(_)).Times(0);
+    EXPECT_CALL(*mockDevice, getCapabilities_1_1(_)).Times(0);
+    EXPECT_CALL(*mockDevice, getCapabilities_1_2(_)).Times(0);
+    EXPECT_CALL(*mockDevice, getSupportedOperations(_, _)).Times(0);
+    EXPECT_CALL(*mockDevice, getSupportedOperations_1_1(_, _)).Times(0);
+    EXPECT_CALL(*mockDevice, prepareModel(_, _)).Times(0);
+    EXPECT_CALL(*mockDevice, prepareModel_1_1(_, _, _)).Times(0);
+    EXPECT_CALL(*mockDevice, getSupportedOperations_1_2(_, _)).Times(0);
+    EXPECT_CALL(*mockDevice, prepareModel_1_2(_, _, _, _, _, _)).Times(0);
+    EXPECT_CALL(*mockDevice, prepareModelFromCache(_, _, _, _)).Times(0);
+
+    // These EXPECT_CALL(...).Times(testing::AnyNumber()) calls are to suppress warnings on the
+    // uninteresting methods calls.
+    EXPECT_CALL(*mockDevice, getVersionString(_)).Times(testing::AnyNumber());
+    EXPECT_CALL(*mockDevice, getType(_)).Times(testing::AnyNumber());
+    EXPECT_CALL(*mockDevice, getSupportedExtensions(_)).Times(testing::AnyNumber());
+    EXPECT_CALL(*mockDevice, getNumberOfCacheFilesNeeded(_)).Times(testing::AnyNumber());
+    EXPECT_CALL(*mockDevice, getCapabilities_1_3(_)).Times(testing::AnyNumber());
+
+    return mockDevice;
+}
+
+auto makePreparedModelReturn(V1_3::ErrorStatus launchStatus, V1_3::ErrorStatus returnStatus,
+                             const sp<MockPreparedModel>& preparedModel) {
+    return [launchStatus, returnStatus, preparedModel](
+                   const V1_3::Model& /*model*/, V1_1::ExecutionPreference /*preference*/,
+                   V1_3::Priority /*priority*/, const V1_3::OptionalTimePoint& /*deadline*/,
+                   const hardware::hidl_vec<hardware::hidl_handle>& /*modelCache*/,
+                   const hardware::hidl_vec<hardware::hidl_handle>& /*dataCache*/,
+                   const CacheToken& /*token*/, const sp<V1_3::IPreparedModelCallback>& cb)
+                   -> hardware::Return<V1_3::ErrorStatus> {
+        cb->notify_1_3(returnStatus, preparedModel).isOk();
+        return launchStatus;
+    };
+}
+auto makePreparedModelFromCacheReturn(V1_3::ErrorStatus launchStatus,
+                                      V1_3::ErrorStatus returnStatus,
+                                      const sp<MockPreparedModel>& preparedModel) {
+    return [launchStatus, returnStatus, preparedModel](
+                   const V1_3::OptionalTimePoint& /*deadline*/,
+                   const hardware::hidl_vec<hardware::hidl_handle>& /*modelCache*/,
+                   const hardware::hidl_vec<hardware::hidl_handle>& /*dataCache*/,
+                   const CacheToken& /*token*/, const sp<V1_3::IPreparedModelCallback>& cb)
+                   -> hardware::Return<V1_3::ErrorStatus> {
+        cb->notify_1_3(returnStatus, preparedModel).isOk();
+        return launchStatus;
+    };
+}
+auto makeAllocateReturn(ErrorStatus status, const sp<MockBuffer>& buffer, uint32_t token) {
+    return [status, buffer, token](
+                   const V1_3::BufferDesc& /*desc*/,
+                   const hardware::hidl_vec<sp<V1_3::IPreparedModel>>& /*preparedModels*/,
+                   const hardware::hidl_vec<V1_3::BufferRole>& /*inputRoles*/,
+                   const hardware::hidl_vec<V1_3::BufferRole>& /*outputRoles*/,
+                   const V1_3::IDevice::allocate_cb& cb) -> hardware::Return<void> {
+        cb(status, buffer, token);
+        return hardware::Void();
+    };
+}
+
+std::function<hardware::Status()> makeTransportFailure(status_t status) {
+    return [status] { return hardware::Status::fromStatusT(status); };
+}
+
+const auto makeGeneralTransportFailure = makeTransportFailure(NO_MEMORY);
+const auto makeDeadObjectFailure = makeTransportFailure(DEAD_OBJECT);
+
+}  // namespace
+
+TEST(DeviceTest, invalidName) {
+    // run test
+    const auto device = MockDevice::create();
+    const auto result = Device::create(kInvalidName, device);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::INVALID_ARGUMENT);
+}
+
+TEST(DeviceTest, invalidDevice) {
+    // run test
+    const auto result = Device::create(kName, kInvalidDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::INVALID_ARGUMENT);
+}
+
+TEST(DeviceTest, getVersionStringError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto ret = makeCallbackReturn(V1_0::ErrorStatus::GENERAL_FAILURE, "");
+    EXPECT_CALL(*mockDevice, getVersionString(_)).Times(1).WillOnce(Invoke(ret));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getVersionStringTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getVersionString(_))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getVersionStringDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getVersionString(_))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, getTypeError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto ret =
+            makeCallbackReturn(V1_0::ErrorStatus::GENERAL_FAILURE, V1_2::DeviceType::OTHER);
+    EXPECT_CALL(*mockDevice, getType(_)).Times(1).WillOnce(Invoke(ret));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getTypeTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getType(_))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getTypeDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getType(_))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, getSupportedExtensionsError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto ret =
+            makeCallbackReturn(V1_0::ErrorStatus::GENERAL_FAILURE, hidl_vec<V1_2::Extension>{});
+    EXPECT_CALL(*mockDevice, getSupportedExtensions(_)).Times(1).WillOnce(Invoke(ret));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getSupportedExtensionsTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getSupportedExtensions(_))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getSupportedExtensionsDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getSupportedExtensions(_))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, getNumberOfCacheFilesNeededError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto ret = makeCallbackReturn(V1_0::ErrorStatus::GENERAL_FAILURE,
+                                        nn::kMaxNumberOfCacheFiles, nn::kMaxNumberOfCacheFiles);
+    EXPECT_CALL(*mockDevice, getNumberOfCacheFilesNeeded(_)).Times(1).WillOnce(Invoke(ret));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, dataCacheFilesExceedsSpecifiedMax) {
+    // setup test
+    const auto mockDevice = createMockDevice();
+    const auto ret = makeCallbackReturn(V1_0::ErrorStatus::NONE, nn::kMaxNumberOfCacheFiles + 1,
+                                        nn::kMaxNumberOfCacheFiles);
+    EXPECT_CALL(*mockDevice, getNumberOfCacheFilesNeeded(_)).Times(1).WillOnce(Invoke(ret));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, modelCacheFilesExceedsSpecifiedMax) {
+    // setup test
+    const auto mockDevice = createMockDevice();
+    const auto ret = makeCallbackReturn(V1_0::ErrorStatus::NONE, nn::kMaxNumberOfCacheFiles,
+                                        nn::kMaxNumberOfCacheFiles + 1);
+    EXPECT_CALL(*mockDevice, getNumberOfCacheFilesNeeded(_)).Times(1).WillOnce(Invoke(ret));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getNumberOfCacheFilesNeededTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getNumberOfCacheFilesNeeded(_))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getNumberOfCacheFilesNeededDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getNumberOfCacheFilesNeeded(_))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, getCapabilitiesError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto ret = makeCallbackReturn(
+            V1_3::ErrorStatus::GENERAL_FAILURE,
+            V1_3::Capabilities{
+                    .relaxedFloat32toFloat16PerformanceScalar = kNoPerformanceInfo,
+                    .relaxedFloat32toFloat16PerformanceTensor = kNoPerformanceInfo,
+                    .ifPerformance = kNoPerformanceInfo,
+                    .whilePerformance = kNoPerformanceInfo,
+            });
+    EXPECT_CALL(*mockDevice, getCapabilities_1_3(_)).Times(1).WillOnce(Invoke(ret));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getCapabilitiesTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getCapabilities_1_3(_))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getCapabilitiesDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getCapabilities_1_3(_))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, linkToDeathError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto ret = []() -> Return<bool> { return false; };
+    EXPECT_CALL(*mockDevice, linkToDeathRet()).Times(1).WillOnce(InvokeWithoutArgs(ret));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, linkToDeathTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, linkToDeathRet())
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, linkToDeathDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, linkToDeathRet())
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+
+    // run test
+    const auto result = Device::create(kName, mockDevice);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, getName) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+
+    // run test
+    const auto& name = device->getName();
+
+    // verify result
+    EXPECT_EQ(name, kName);
+}
+
+TEST(DeviceTest, getFeatureLevel) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+
+    // run test
+    const auto featureLevel = device->getFeatureLevel();
+
+    // verify result
+    EXPECT_EQ(featureLevel, nn::Version::ANDROID_R);
+}
+
+TEST(DeviceTest, getCachedData) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, getVersionString(_)).Times(1);
+    EXPECT_CALL(*mockDevice, getType(_)).Times(1);
+    EXPECT_CALL(*mockDevice, getSupportedExtensions(_)).Times(1);
+    EXPECT_CALL(*mockDevice, getNumberOfCacheFilesNeeded(_)).Times(1);
+    EXPECT_CALL(*mockDevice, getCapabilities_1_3(_)).Times(1);
+
+    const auto result = Device::create(kName, mockDevice);
+    ASSERT_TRUE(result.has_value())
+            << "Failed with " << result.error().code << ": " << result.error().message;
+    const auto& device = result.value();
+
+    // run test and verify results
+    EXPECT_EQ(device->getVersionString(), device->getVersionString());
+    EXPECT_EQ(device->getType(), device->getType());
+    EXPECT_EQ(device->getSupportedExtensions(), device->getSupportedExtensions());
+    EXPECT_EQ(device->getNumberOfCacheFilesNeeded(), device->getNumberOfCacheFilesNeeded());
+    EXPECT_EQ(device->getCapabilities(), device->getCapabilities());
+}
+
+TEST(DeviceTest, wait) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto ret = []() -> Return<void> { return {}; };
+    EXPECT_CALL(*mockDevice, ping()).Times(1).WillOnce(InvokeWithoutArgs(ret));
+    const auto device = Device::create(kName, mockDevice).value();
+
+    // run test
+    const auto result = device->wait();
+
+    // verify result
+    ASSERT_TRUE(result.has_value())
+            << "Failed with " << result.error().code << ": " << result.error().message;
+}
+
+TEST(DeviceTest, waitTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, ping())
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+    const auto device = Device::create(kName, mockDevice).value();
+
+    // run test
+    const auto result = device->wait();
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, waitDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    EXPECT_CALL(*mockDevice, ping()).Times(1).WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+    const auto device = Device::create(kName, mockDevice).value();
+
+    // run test
+    const auto result = device->wait();
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, getSupportedOperations) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    const auto ret = [](const auto& model, const auto& cb) {
+        cb(V1_3::ErrorStatus::NONE, std::vector<bool>(model.main.operations.size(), true));
+        return hardware::Void();
+    };
+    EXPECT_CALL(*mockDevice, getSupportedOperations_1_3(_, _)).Times(1).WillOnce(Invoke(ret));
+
+    // run test
+    const auto result = device->getSupportedOperations(kSimpleModel);
+
+    // verify result
+    ASSERT_TRUE(result.has_value())
+            << "Failed with " << result.error().code << ": " << result.error().message;
+    const auto& supportedOperations = result.value();
+    EXPECT_EQ(supportedOperations.size(), kSimpleModel.main.operations.size());
+    EXPECT_THAT(supportedOperations, Each(testing::IsTrue()));
+}
+
+TEST(DeviceTest, getSupportedOperationsError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    const auto ret = [](const auto& /*model*/, const auto& cb) {
+        cb(V1_3::ErrorStatus::GENERAL_FAILURE, {});
+        return hardware::Void();
+    };
+    EXPECT_CALL(*mockDevice, getSupportedOperations_1_3(_, _)).Times(1).WillOnce(Invoke(ret));
+
+    // run test
+    const auto result = device->getSupportedOperations(kSimpleModel);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getSupportedOperationsTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, getSupportedOperations_1_3(_, _))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+
+    // run test
+    const auto result = device->getSupportedOperations(kSimpleModel);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, getSupportedOperationsDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, getSupportedOperations_1_3(_, _))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+
+    // run test
+    const auto result = device->getSupportedOperations(kSimpleModel);
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, prepareModel) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    const auto mockPreparedModel = MockPreparedModel::create();
+    EXPECT_CALL(*mockDevice, prepareModel_1_3(_, _, _, _, _, _, _, _))
+            .Times(1)
+            .WillOnce(Invoke(makePreparedModelReturn(V1_3::ErrorStatus::NONE,
+                                                     V1_3::ErrorStatus::NONE, mockPreparedModel)));
+
+    // run test
+    const auto result = device->prepareModel(kSimpleModel, nn::ExecutionPreference::DEFAULT,
+                                             nn::Priority::DEFAULT, {}, {}, {}, {});
+
+    // verify result
+    ASSERT_TRUE(result.has_value())
+            << "Failed with " << result.error().code << ": " << result.error().message;
+    EXPECT_NE(result.value(), nullptr);
+}
+
+TEST(DeviceTest, prepareModelLaunchError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, prepareModel_1_3(_, _, _, _, _, _, _, _))
+            .Times(1)
+            .WillOnce(Invoke(makePreparedModelReturn(V1_3::ErrorStatus::GENERAL_FAILURE,
+                                                     V1_3::ErrorStatus::GENERAL_FAILURE, nullptr)));
+
+    // run test
+    const auto result = device->prepareModel(kSimpleModel, nn::ExecutionPreference::DEFAULT,
+                                             nn::Priority::DEFAULT, {}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, prepareModelReturnError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, prepareModel_1_3(_, _, _, _, _, _, _, _))
+            .Times(1)
+            .WillOnce(Invoke(makePreparedModelReturn(V1_3::ErrorStatus::NONE,
+                                                     V1_3::ErrorStatus::GENERAL_FAILURE, nullptr)));
+
+    // run test
+    const auto result = device->prepareModel(kSimpleModel, nn::ExecutionPreference::DEFAULT,
+                                             nn::Priority::DEFAULT, {}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, prepareModelNullptrError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, prepareModel_1_3(_, _, _, _, _, _, _, _))
+            .Times(1)
+            .WillOnce(Invoke(makePreparedModelReturn(V1_3::ErrorStatus::NONE,
+                                                     V1_3::ErrorStatus::NONE, nullptr)));
+
+    // run test
+    const auto result = device->prepareModel(kSimpleModel, nn::ExecutionPreference::DEFAULT,
+                                             nn::Priority::DEFAULT, {}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, prepareModelTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, prepareModel_1_3(_, _, _, _, _, _, _, _))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+
+    // run test
+    const auto result = device->prepareModel(kSimpleModel, nn::ExecutionPreference::DEFAULT,
+                                             nn::Priority::DEFAULT, {}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, prepareModelDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, prepareModel_1_3(_, _, _, _, _, _, _, _))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+
+    // run test
+    const auto result = device->prepareModel(kSimpleModel, nn::ExecutionPreference::DEFAULT,
+                                             nn::Priority::DEFAULT, {}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, prepareModelAsyncCrash) {
+    // setup test
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    const auto ret = [&mockDevice]() -> hardware::Return<V1_3::ErrorStatus> {
+        mockDevice->simulateCrash();
+        return V1_3::ErrorStatus::NONE;
+    };
+    EXPECT_CALL(*mockDevice, prepareModel_1_3(_, _, _, _, _, _, _, _))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(ret));
+
+    // run test
+    const auto result = device->prepareModel(kSimpleModel, nn::ExecutionPreference::DEFAULT,
+                                             nn::Priority::DEFAULT, {}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, prepareModelFromCache) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    const auto mockPreparedModel = MockPreparedModel::create();
+    EXPECT_CALL(*mockDevice, prepareModelFromCache_1_3(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(Invoke(makePreparedModelFromCacheReturn(
+                    V1_3::ErrorStatus::NONE, V1_3::ErrorStatus::NONE, mockPreparedModel)));
+
+    // run test
+    const auto result = device->prepareModelFromCache({}, {}, {}, {});
+
+    // verify result
+    ASSERT_TRUE(result.has_value())
+            << "Failed with " << result.error().code << ": " << result.error().message;
+    EXPECT_NE(result.value(), nullptr);
+}
+
+TEST(DeviceTest, prepareModelFromCacheError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, prepareModelFromCache_1_3(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(Invoke(makePreparedModelFromCacheReturn(V1_3::ErrorStatus::GENERAL_FAILURE,
+                                                              V1_3::ErrorStatus::GENERAL_FAILURE,
+                                                              nullptr)));
+
+    // run test
+    const auto result = device->prepareModelFromCache({}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, prepareModelFromCacheNullptrError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, prepareModelFromCache_1_3(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(Invoke(makePreparedModelFromCacheReturn(V1_3::ErrorStatus::NONE,
+                                                              V1_3::ErrorStatus::NONE, nullptr)));
+
+    // run test
+    const auto result = device->prepareModelFromCache({}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, prepareModelFromCacheTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, prepareModelFromCache_1_3(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+
+    // run test
+    const auto result = device->prepareModelFromCache({}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, prepareModelFromCacheDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, prepareModelFromCache_1_3(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+
+    // run test
+    const auto result = device->prepareModelFromCache({}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, prepareModelFromCacheAsyncCrash) {
+    // setup test
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    const auto ret = [&mockDevice]() -> hardware::Return<V1_3::ErrorStatus> {
+        mockDevice->simulateCrash();
+        return V1_3::ErrorStatus::NONE;
+    };
+    EXPECT_CALL(*mockDevice, prepareModelFromCache_1_3(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(ret));
+
+    // run test
+    const auto result = device->prepareModelFromCache({}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+TEST(DeviceTest, allocate) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    const auto mockBuffer = MockBuffer::create();
+    constexpr uint32_t token = 1;
+    EXPECT_CALL(*mockDevice, allocate(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(Invoke(makeAllocateReturn(ErrorStatus::NONE, mockBuffer, token)));
+
+    // run test
+    const auto result = device->allocate({}, {}, {}, {});
+
+    // verify result
+    ASSERT_TRUE(result.has_value())
+            << "Failed with " << result.error().code << ": " << result.error().message;
+    EXPECT_NE(result.value(), nullptr);
+}
+
+TEST(DeviceTest, allocateError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, allocate(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(Invoke(makeAllocateReturn(ErrorStatus::GENERAL_FAILURE, nullptr, 0)));
+
+    // run test
+    const auto result = device->allocate({}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, allocateTransportFailure) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, allocate(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeGeneralTransportFailure));
+
+    // run test
+    const auto result = device->allocate({}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
+TEST(DeviceTest, allocateDeadObject) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, allocate(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(InvokeWithoutArgs(makeDeadObjectFailure));
+
+    // run test
+    const auto result = device->allocate({}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::DEAD_OBJECT);
+}
+
+}  // namespace android::hardware::neuralnetworks::V1_3::utils