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Commit 53da7727 authored by Michael Butler's avatar Michael Butler Committed by Automerger Merge Worker
Browse files

Merge changes I2c79865b,Idfe8093c am: 8be4b590 

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1544546

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iff929729f915c29e6eaa72c254766bc1b71faac4
parents ade46f92 8be4b590

neuralnetworks/1.0/utils/Android.bp

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Original line number Diff line number Diff line
@@ -32,3 +32,29 @@ cc_library_static { 
        "neuralnetworks_utils_hal_common",

    ],

}



cc_test {

    name: "neuralnetworks_utils_hal_1_0_test",

    srcs: ["test/*.cpp"],

    static_libs: [

        "android.hardware.neuralnetworks@1.0",

        "libgmock",

        "libneuralnetworks_common",

        "neuralnetworks_types",

        "neuralnetworks_utils_hal_common",

        "neuralnetworks_utils_hal_1_0",

    ],

    shared_libs: [

        "android.hidl.allocator@1.0",

        "android.hidl.memory@1.0",

        "libbase",

        "libcutils",

        "libfmq",

        "libhidlbase",

        "libhidlmemory",

        "liblog",

        "libnativewindow",

        "libutils",

    ],

    test_suites: ["general-tests"],

}

neuralnetworks/1.0/utils/test/DeviceTest.cpp

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Original line number Diff line number Diff line 
/*

 * 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 "MockDevice.h"

#include "MockPreparedModel.h"



#include <android/hardware/neuralnetworks/1.0/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/1.0/Device.h>



#include <functional>

#include <memory>

#include <string>



namespace android::hardware::neuralnetworks::V1_0::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_0::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 getCapabilities_ret = makeCallbackReturn(

            V1_0::ErrorStatus::NONE, V1_0::Capabilities{

                                             .float32Performance = kNoPerformanceInfo,

                                             .quantized8Performance = kNoPerformanceInfo,

                                     });



    // Setup default actions for each relevant call.

    ON_CALL(*mockDevice, getCapabilities(_)).WillByDefault(Invoke(getCapabilities_ret));



    // These EXPECT_CALL(...).Times(testing::AnyNumber()) calls are to suppress warnings on the

    // uninteresting methods calls.

    EXPECT_CALL(*mockDevice, getCapabilities(_)).Times(testing::AnyNumber());



    return mockDevice;

}



auto makePreparedModelReturn(V1_0::ErrorStatus launchStatus, V1_0::ErrorStatus returnStatus,

                             const sp<V1_0::utils::MockPreparedModel>& preparedModel) {

    return [launchStatus, returnStatus, preparedModel](const V1_0::Model& /*model*/,

                                                       const sp<V1_0::IPreparedModelCallback>& cb)

                   -> hardware::Return<V1_0::ErrorStatus> {

        cb->notify(returnStatus, preparedModel).isOk();

        return launchStatus;

    };

}



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, getCapabilitiesError) {

    // setup call

    const auto mockDevice = createMockDevice();

    const auto ret = makeCallbackReturn(V1_0::ErrorStatus::GENERAL_FAILURE,

                                        V1_0::Capabilities{

                                                .float32Performance = kNoPerformanceInfo,

                                                .quantized8Performance = kNoPerformanceInfo,

                                        });

    EXPECT_CALL(*mockDevice, getCapabilities(_)).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(_))

            .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(_))

            .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_OC_MR1);

}



TEST(DeviceTest, getCachedData) {

    // setup call

    const auto mockDevice = createMockDevice();

    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_0::ErrorStatus::NONE, std::vector<bool>(model.operations.size(), true));

        return hardware::Void();

    };

    EXPECT_CALL(*mockDevice, getSupportedOperations(_, _)).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_0::ErrorStatus::GENERAL_FAILURE, {});

        return hardware::Void();

    };

    EXPECT_CALL(*mockDevice, getSupportedOperations(_, _)).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(_, _))

            .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(_, _))

            .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 = V1_0::utils::MockPreparedModel::create();

    EXPECT_CALL(*mockDevice, prepareModel(_, _))

            .Times(1)

            .WillOnce(Invoke(makePreparedModelReturn(V1_0::ErrorStatus::NONE,

                                                     V1_0::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(_, _))

            .Times(1)

            .WillOnce(Invoke(makePreparedModelReturn(V1_0::ErrorStatus::GENERAL_FAILURE,

                                                     V1_0::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(_, _))

            .Times(1)

            .WillOnce(Invoke(makePreparedModelReturn(V1_0::ErrorStatus::NONE,

                                                     V1_0::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(_, _))

            .Times(1)

            .WillOnce(Invoke(makePreparedModelReturn(V1_0::ErrorStatus::NONE,

                                                     V1_0::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(_, _))

            .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(_, _))

            .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_0::ErrorStatus> {

        mockDevice->simulateCrash();

        return V1_0::ErrorStatus::NONE;

    };

    EXPECT_CALL(*mockDevice, prepareModel(_, _)).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, prepareModelFromCacheNotSupported) {

    // setup call

    const auto mockDevice = createMockDevice();

    const auto device = Device::create(kName, mockDevice).value();



    // 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, allocateNotSupported) {

    // setup call

    const auto mockDevice = createMockDevice();

    const auto device = Device::create(kName, mockDevice).value();



    // run test

    const auto result = device->allocate({}, {}, {}, {});



    // verify result

    ASSERT_FALSE(result.has_value());

    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);

}



}  // namespace android::hardware::neuralnetworks::V1_0::utils

neuralnetworks/1.0/utils/test/MockDevice.h

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Original line number Diff line number Diff line 
/*

 * 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.

 */



#ifndef ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_1_0_UTILS_TEST_MOCK_DEVICE

#define ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_1_0_UTILS_TEST_MOCK_DEVICE



#include <android/hardware/neuralnetworks/1.0/IDevice.h>

#include <gmock/gmock.h>

#include <gtest/gtest.h>

#include <hidl/Status.h>



namespace android::hardware::neuralnetworks::V1_0::utils {



class MockDevice final : public IDevice {

  public:

    static sp<MockDevice> create();



    // IBase methods below.

    MOCK_METHOD(Return<void>, ping, (), (override));

    MOCK_METHOD(Return<bool>, linkToDeathRet, ());

    Return<bool> linkToDeath(const sp<hidl_death_recipient>& recipient, uint64_t /*cookie*/);



    // V1_0 methods below.

    MOCK_METHOD(Return<void>, getCapabilities, (getCapabilities_cb cb), (override));

    MOCK_METHOD(Return<void>, getSupportedOperations,

                (const V1_0::Model& model, getSupportedOperations_cb cb), (override));

    MOCK_METHOD(Return<V1_0::ErrorStatus>, prepareModel,

                (const V1_0::Model& model, const sp<V1_0::IPreparedModelCallback>& callback),

                (override));

    MOCK_METHOD(Return<V1_0::DeviceStatus>, getStatus, (), (override));



    // Helper methods.

    void simulateCrash();



  private:

    sp<hidl_death_recipient> mDeathRecipient;

};



inline sp<MockDevice> MockDevice::create() {

    auto mockDevice = sp<MockDevice>::make();



    // Setup default actions for each relevant call.

    const auto ret = []() -> Return<bool> { return true; };



    // Setup default actions for each relevant call.

    ON_CALL(*mockDevice, linkToDeathRet()).WillByDefault(testing::Invoke(ret));



    // These EXPECT_CALL(...).Times(testing::AnyNumber()) calls are to suppress warnings on the

    // uninteresting methods calls.

    EXPECT_CALL(*mockDevice, linkToDeathRet()).Times(testing::AnyNumber());



    return mockDevice;

}



inline Return<bool> MockDevice::linkToDeath(const sp<hidl_death_recipient>& recipient,

                                            uint64_t /*cookie*/) {

    mDeathRecipient = recipient;

    return linkToDeathRet();

}



inline void MockDevice::simulateCrash() {

    ASSERT_NE(nullptr, mDeathRecipient.get());



    // Currently, the utils::Device will not use the `cookie` or `who` arguments, so we pass in 0

    // and nullptr for these arguments instead. Normally, they are used by the hidl_death_recipient

    // to determine which object is dead. However, the utils::Device code only pairs a single death

    // recipient with a single HIDL interface object, so these arguments are redundant.

    mDeathRecipient->serviceDied(0, nullptr);

}



}  // namespace android::hardware::neuralnetworks::V1_0::utils



#endif  // ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_1_0_UTILS_TEST_MOCK_DEVICE

neuralnetworks/1.0/utils/test/MockPreparedModel.h

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neuralnetworks/1.0/utils/test/PreparedModelTest.cpp

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