//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//

#include <doctest/doctest.h>

#include "ProfilingEvent.hpp"
#include "Profiling.hpp"

#include <thread>

using namespace armnn;

TEST_SUITE("ProfilingEvent")
{
TEST_CASE("ProfilingEventTest")
{
    // Get a reference to the profiler manager.
    armnn::ProfilerManager& profileManager = armnn::ProfilerManager::GetInstance();

    const char* eventName = "EventName";

    Event::Instruments insts1;
    insts1.emplace_back(std::make_unique<WallClockTimer>());
    Event testEvent(eventName,
                    nullptr,
                    nullptr,
                    BackendId(),
                    std::move(insts1),
                    EmptyOptional());

    CHECK_EQ(testEvent.GetName(), "EventName");

    // start the timer - outer
    testEvent.Start();

    // wait for 10 microseconds
    std::this_thread::sleep_for(std::chrono::microseconds(10));

    // stop the timer - outer
    testEvent.Stop();

    CHECK_GE(testEvent.GetMeasurements().front().m_Value, 10.0);

    // create a sub event with CpuAcc
    BackendId cpuAccBackendId(Compute::CpuAcc);
    Event::Instruments insts2;
    insts2.emplace_back(std::make_unique<WallClockTimer>());
    Event testEvent2(eventName,
                     profileManager.GetProfiler(),
                     &testEvent,
                     cpuAccBackendId,
                     std::move(insts2),
                     EmptyOptional());

    CHECK_EQ(&testEvent, testEvent2.GetParentEvent());
    CHECK_EQ(profileManager.GetProfiler(), testEvent2.GetProfiler());
    CHECK(cpuAccBackendId == testEvent2.GetBackendId());
}

TEST_CASE("ProfilingEventTestOnGpuAcc")
{
    // Get a reference to the profiler manager.
    armnn::ProfilerManager& profileManager = armnn::ProfilerManager::GetInstance();

    const char* eventName = "GPUEvent";

    Event::Instruments insts1;
    insts1.emplace_back(std::make_unique<WallClockTimer>());
    Event testEvent(eventName,
                    nullptr,
                    nullptr,
                    BackendId(),
                    std::move(insts1),
                    EmptyOptional());

    CHECK_EQ(testEvent.GetName(), "GPUEvent");

    // start the timer - outer
    testEvent.Start();

    // wait for 10 microseconds
    std::this_thread::sleep_for(std::chrono::microseconds(10));

    // stop the timer - outer
    testEvent.Stop();

    CHECK_GE(testEvent.GetMeasurements().front().m_Value, 10.0);

    // create a sub event
    BackendId gpuAccBackendId(Compute::GpuAcc);
    Event::Instruments insts2;
    insts2.emplace_back(std::make_unique<WallClockTimer>());
    Event testEvent2(eventName,
                     profileManager.GetProfiler(),
                     &testEvent,
                     gpuAccBackendId,
                     std::move(insts2),
                     EmptyOptional());

    CHECK_EQ(&testEvent, testEvent2.GetParentEvent());
    CHECK_EQ(profileManager.GetProfiler(), testEvent2.GetProfiler());
    CHECK(gpuAccBackendId == testEvent2.GetBackendId());
}

}