/*
Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved.
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The above copyright notice and this permission notice shall be included in
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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*/

#include <hip_test_common.hh>
#include <hip_test_checkers.hh>
#include <hip_test_kernels.hh>

/**
 * Functional Test for API - hipGraphKernelNodeCopyAttributes
 - Create graph with 2 kernel node.
   Copy the attribute from 1st kernel node to 2nd kernel node.
 */

TEST_CASE("Unit_hipGraphKernelNodeCopyAttributes_Functional") {
  constexpr size_t N = 1024;
  constexpr size_t Nbytes = N * sizeof(int);
  constexpr auto blocksPerCU = 6;  // to hide latency
  constexpr auto threadsPerBlock = 256;
  hipGraph_t graph;
  hipGraphNode_t memcpyNode, kNode;
  hipKernelNodeParams kNodeParams{};
  hipStream_t stream;
  int *A_d, *B_d, *C_d;
  int *A_h, *B_h, *C_h;
  std::vector<hipGraphNode_t> dependencies;
  hipGraphExec_t graphExec;
  size_t NElem{N};

  HIP_CHECK(hipStreamCreate(&stream));
  HipTest::initArrays(&A_d, &B_d, &C_d, &A_h, &B_h, &C_h, N, false);
  unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N);

  HIP_CHECK(hipGraphCreate(&graph, 0));
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpyNode, graph, nullptr, 0, A_d, A_h,
                                   Nbytes, hipMemcpyHostToDevice));
  dependencies.push_back(memcpyNode);
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpyNode, graph, nullptr, 0, B_d, B_h,
                                   Nbytes, hipMemcpyHostToDevice));
  dependencies.push_back(memcpyNode);

  void* kernelArgs[] = {&A_d, &B_d, &C_d, reinterpret_cast<void *>(&NElem)};
  kNodeParams.func = reinterpret_cast<void *>(HipTest::vectorADD<int>);
  kNodeParams.gridDim = dim3(blocks);
  kNodeParams.blockDim = dim3(threadsPerBlock);
  kNodeParams.sharedMemBytes = 0;
  kNodeParams.kernelParams = reinterpret_cast<void**>(kernelArgs);
  kNodeParams.extra = nullptr;
  HIP_CHECK(hipGraphAddKernelNode(&kNode, graph, dependencies.data(),
                                  dependencies.size(), &kNodeParams));
  dependencies.clear();
  dependencies.push_back(kNode);
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpyNode, graph, dependencies.data(),
                                    dependencies.size(), C_h, C_d,
                                    Nbytes, hipMemcpyDeviceToHost));

  hipGraphNode_t kNode2;

  HIP_CHECK(hipGraphAddKernelNode(&kNode2, graph, nullptr, 0, &kNodeParams));
  HIP_CHECK(hipGraphKernelNodeCopyAttributes(kNode2, kNode));

  // Instantiate and launch the graph
  HIP_CHECK(hipGraphInstantiate(&graphExec, graph, NULL, NULL, 0));
  HIP_CHECK(hipGraphLaunch(graphExec, stream));
  HIP_CHECK(hipStreamSynchronize(stream));

  // Verify graph execution result
  HipTest::checkVectorADD<int>(A_h, B_h, C_h, N);

  HipTest::freeArrays(A_d, B_d, C_d, A_h, B_h, C_h, false);
  HIP_CHECK(hipGraphExecDestroy(graphExec));
  HIP_CHECK(hipGraphDestroy(graph));
  HIP_CHECK(hipStreamDestroy(stream));
}

/**
 Negative Test for API - hipGraphKernelNodeCopyAttributes
 1) Pass source kernel node as nullptr for copy attribute api
 2) Pass destination kernel node as nullptr for copy attribute api
 3) Pass source kernel node as Uninitialize for copy attribute api
 4) Pass dest kernel node as Uninitialize for copy attribute api
 */

TEST_CASE("Unit_hipGraphKernelNodeCopyAttributes_Attribute_Negative") {
  constexpr size_t N = 1024;
  constexpr size_t Nbytes = N * sizeof(int);
  constexpr auto blocksPerCU = 6;  // to hide latency
  constexpr auto threadsPerBlock = 256;
  hipGraph_t graph;
  hipGraphNode_t memcpyNode, kNode, kNode_2;
  hipKernelNodeParams kNodeParams{};
  hipStream_t streamForGraph;
  int *A_d, *B_d, *C_d;
  int *A_h, *B_h, *C_h;
  std::vector<hipGraphNode_t> dependencies;
  size_t NElem{N};
  hipError_t ret;

  HIP_CHECK(hipStreamCreate(&streamForGraph));
  HipTest::initArrays(&A_d, &B_d, &C_d, &A_h, &B_h, &C_h, N, false);
  unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N);

  HIP_CHECK(hipGraphCreate(&graph, 0));
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpyNode, graph, nullptr, 0, A_d, A_h,
                                   Nbytes, hipMemcpyHostToDevice));
  dependencies.push_back(memcpyNode);
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpyNode, graph, nullptr, 0, B_d, B_h,
                                   Nbytes, hipMemcpyHostToDevice));
  dependencies.push_back(memcpyNode);

  void* kernelArgs[] = {&A_d, &B_d, &C_d, reinterpret_cast<void *>(&NElem)};
  kNodeParams.func = reinterpret_cast<void *>(HipTest::vectorADD<int>);
  kNodeParams.gridDim = dim3(blocks);
  kNodeParams.blockDim = dim3(threadsPerBlock);
  kNodeParams.sharedMemBytes = 0;
  kNodeParams.kernelParams = reinterpret_cast<void**>(kernelArgs);
  kNodeParams.extra = nullptr;
  HIP_CHECK(hipGraphAddKernelNode(&kNode, graph, dependencies.data(),
                                  dependencies.size(), &kNodeParams));
  dependencies.clear();
  dependencies.push_back(kNode);
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpyNode, graph, dependencies.data(),
                                    dependencies.size(), C_h, C_d,
                                    Nbytes, hipMemcpyDeviceToHost));
  HIP_CHECK(hipGraphAddKernelNode(&kNode_2, graph, nullptr, 0, &kNodeParams));

  SECTION("Pass source kernel node as nullptr for copy attribute api") {
    ret = hipGraphKernelNodeCopyAttributes(nullptr, kNode);
    REQUIRE(hipErrorInvalidValue == ret);
  }
  SECTION("Pass destination kernel node as nullptr for copy attribute api") {
    ret = hipGraphKernelNodeCopyAttributes(kNode_2, nullptr);
    REQUIRE(hipErrorInvalidValue == ret);
  }
  SECTION("Pass source kernel node as Uninitialize for copy attribute api") {
    hipGraphNode_t kNodeUninit{};
    ret = hipGraphKernelNodeCopyAttributes(kNodeUninit, kNode);
    REQUIRE(hipErrorInvalidValue == ret);
  }
  SECTION("Pass dest kernel node as Uninitialize for copy attribute api") {
    hipGraphNode_t kNodeUninit{};
    ret = hipGraphKernelNodeCopyAttributes(kNode_2, kNodeUninit);
    REQUIRE(hipErrorInvalidValue == ret);
  }

  HipTest::freeArrays(A_d, B_d, C_d, A_h, B_h, C_h, false);
  HIP_CHECK(hipGraphDestroy(graph));
  HIP_CHECK(hipStreamDestroy(streamForGraph));
}