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*/

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

/**
* @addtogroup hipGraphKernelNodeGetAttribute hipGraphKernelNodeGetAttribute
* @{
* @ingroup GraphTest
* `hipGraphKernelNodeGetAttribute(hipGraphNode_t hNode,
*          hipKernelNodeAttrID attr, hipKernelNodeAttrValue* value_out )` -
* Queries node attribute.
*/

/**
* Test Description
* ------------------------
*  - Functional Test for API - hipGraphKernelNodeGetAttribute
*    1) GetKernelAttribute for ID hipKernelNodeAttributeCooperative
*    2) GetKernelAttribute for ID hipKernelNodeAttributeAccessPolicyWindow
* Test source
* ------------------------
*  - unit/graph/hipGraphKernelNodeGetAttribute.cc
* Test requirements
* ------------------------
*  - HIP_VERSION >= 5.6
*/

TEST_CASE("Unit_hipGraphKernelNodeGetAttribute_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;
  hipGraphExec_t graphExec;
  hipGraphNode_t memcpy_A, memcpy_B, memcpy_C, kernel_vecAdd;
  hipKernelNodeParams kNodeParams{};
  hipStream_t stream;
  int *A_d, *B_d, *C_d;
  int *A_h, *B_h, *C_h;
  size_t NElem{N};

  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(hipStreamCreate(&stream));
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpy_A, graph, nullptr, 0, A_d, A_h,
                                    Nbytes, hipMemcpyHostToDevice));
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpy_B, graph, nullptr, 0, B_d, B_h,
                                    Nbytes, hipMemcpyHostToDevice));
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpy_C, graph, nullptr, 0, C_h, C_d,
                                    Nbytes, hipMemcpyDeviceToHost));

  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(&kernel_vecAdd, graph, nullptr, 0,
                                  &kNodeParams));

  // Create dependencies
  HIP_CHECK(hipGraphAddDependencies(graph, &memcpy_A, &kernel_vecAdd, 1));
  HIP_CHECK(hipGraphAddDependencies(graph, &memcpy_B, &kernel_vecAdd, 1));
  HIP_CHECK(hipGraphAddDependencies(graph, &kernel_vecAdd, &memcpy_C, 1));

  hipKernelNodeAttrValue value_out;
  memset(&value_out, 0, sizeof(hipKernelNodeAttrValue));

  SECTION("GetKernelAttribute for hipKernelNodeAttributeCooperative") {
    HIP_CHECK(hipGraphKernelNodeGetAttribute(kernel_vecAdd,
                   hipKernelNodeAttributeCooperative, &value_out));
  }
  SECTION("GetKernelAttribute for hipKernelNodeAttributeAccessPolicyWindow") {
    HIP_CHECK(hipGraphKernelNodeGetAttribute(kernel_vecAdd,
                   hipKernelNodeAttributeAccessPolicyWindow, &value_out));
  }

  // 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));
}

/**
* Test Description
* ------------------------
*  - Negative Test for API - hipGraphKernelNodeGetAttribute
*    1) Pass kernel node as nullptr for Get attribute api & verify
*    2) Pass KernelNodeAttrID as negative value for Get attribute api & verify
*    3) Pass KernelNodeAttrID as INT_MAX value for Get attribute api & verify
*    4) Pass KernelNodeAttrValue as nullptr for Get attribute api & verify
* Test source
* ------------------------
*  - unit/graph/hipGraphKernelNodeGetAttribute.cc
* Test requirements
* ------------------------
*  - HIP_VERSION >= 5.6
*/

TEST_CASE("Unit_hipGraphKernelNodeGetAttribute_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 memcpy_A, memcpy_B, memcpy_C, kernel_vecAdd;
  hipKernelNodeParams kNodeParams{};
  hipStream_t stream;
  int *A_d, *B_d, *C_d;
  int *A_h, *B_h, *C_h;
  size_t NElem{N};
  hipError_t ret;

  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(hipStreamCreate(&stream));
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpy_A, graph, nullptr, 0, A_d, A_h,
                                    Nbytes, hipMemcpyHostToDevice));
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpy_B, graph, nullptr, 0, B_d, B_h,
                                    Nbytes, hipMemcpyHostToDevice));
  HIP_CHECK(hipGraphAddMemcpyNode1D(&memcpy_C, graph, nullptr, 0, C_h, C_d,
                                    Nbytes, hipMemcpyDeviceToHost));

  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(&kernel_vecAdd, graph, nullptr, 0,
                                  &kNodeParams));

  hipKernelNodeAttrValue value_out;
  memset(&value_out, 0, sizeof(hipKernelNodeAttrValue));

  SECTION("Pass kernel node as nullptr for Get attribute api") {
    ret = hipGraphKernelNodeGetAttribute(nullptr,
                   hipKernelNodeAttributeAccessPolicyWindow, &value_out);
    REQUIRE(hipErrorInvalidValue == ret);
  }
  SECTION("Pass KernelNodeAttrID as negative value for Get attribute api") {
    ret = hipGraphKernelNodeGetAttribute(kernel_vecAdd,
                         hipKernelNodeAttrID(-1), &value_out);
    REQUIRE(hipErrorInvalidValue == ret);
  }
  SECTION("Pass KernelNodeAttrID as INT_MAX value for Get attribute api") {
    ret = hipGraphKernelNodeGetAttribute(kernel_vecAdd,
                         hipKernelNodeAttrID(INT_MAX), &value_out);
    REQUIRE(hipErrorInvalidValue == ret);
  }
#if HT_AMD  // getting SIGSEGV error in Cuda Setup
  SECTION("Pass KernelNodeAttrValue as nullptr for Get attribute api") {
    ret = hipGraphKernelNodeGetAttribute(kernel_vecAdd,
                   hipKernelNodeAttributeAccessPolicyWindow, nullptr);
    REQUIRE(hipErrorInvalidValue == ret);
  }
#endif

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