/*
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/* Test Scenarios
  1. hipModuleLaunchKernel Negative Scenarios
  2. hipModuleLaunchKernel Work Group tests =>
     - (block.x * block.y * block.z) <= Work Group Size
       where block.x < MaxBlockDimX , block.y < MaxBlockDimY and block.z < MaxBlockDimZ
     - (block.x * block.y * block.z) > Work Group Size
       where block.x < MaxBlockDimX , block.y < MaxBlockDimY and block.z < MaxBlockDimZ
 */

#include <math.h>
#include <hip_test_common.hh>

#define fileName "module_kernels.code"
#define matmulK "matmulK"
#define SixteenSec "SixteenSecKernel"
#define KernelandExtra "KernelandExtraParams"
#define FourSec "FourSecKernel"
#define TwoSec "TwoSecKernel"
#define dummyKernel "EmptyKernel"

struct gridblockDim {
  unsigned int gridX;
  unsigned int gridY;
  unsigned int gridZ;
  unsigned int blockX;
  unsigned int blockY;
  unsigned int blockZ;
};

/*
This testcase verifies the negative scenarios of
hipModuleLaunchKernel API
*/
TEST_CASE("Unit_hipModuleLaunchKernel_Negative") {
  HIP_CHECK(hipSetDevice(0));
  struct {
    void* _Ad;
    void* _Bd;
    void* _Cd;
    int _n;
  } args1;
  args1._Ad = nullptr;
  args1._Bd = nullptr;
  args1._Cd = nullptr;
  args1._n  = 0;
  hipFunction_t MultKernel, KernelandExtraParamKernel;
  size_t size1;
  size1 = sizeof(args1);
  hipModule_t Module;
  hipStream_t stream1;
  hipDeviceptr_t *Ad{nullptr};
  CTX_CREATE()

  HIP_CHECK(hipModuleLoad(&Module, fileName));
  HIP_CHECK(hipModuleGetFunction(&MultKernel, Module, matmulK));
  HIP_CHECK(hipModuleGetFunction(&KernelandExtraParamKernel,
                                Module, KernelandExtra));
  void *config1[] = {HIP_LAUNCH_PARAM_BUFFER_POINTER, &args1,
                     HIP_LAUNCH_PARAM_BUFFER_SIZE, &size1,
                     HIP_LAUNCH_PARAM_END};
  void *params[] = {Ad};
  HIP_CHECK(hipStreamCreate(&stream1));
  SECTION("Passing nullptr to kernel function") {
    REQUIRE(hipModuleLaunchKernel(nullptr, 1, 1, 1, 1, 1, 1, 0,
                                  stream1, NULL,
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }

  SECTION("Passing Max int value to block dim") {
    REQUIRE(hipModuleLaunchKernel(MultKernel, 1, 1, 1,
                                  std::numeric_limits<uint32_t>::max(),
                                  std::numeric_limits<uint32_t>::max(),
                                  std::numeric_limits<uint32_t>::max(),
                                  0, stream1, NULL,
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }


  SECTION("Passing 0 to all value dim") {
    REQUIRE(hipModuleLaunchKernel(MultKernel, 0, 0, 0,
                                  0,
                                  0,
                                  0, 0,
                                  stream1, NULL,
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }

  SECTION("Passing 0 for X dim") {
    REQUIRE(hipModuleLaunchKernel(MultKernel, 0, 1, 1,
                                  0,
                                  1,
                                  1, 0,
                                  stream1, NULL,
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }


  SECTION("Passing 0 for Y dim") {
    REQUIRE(hipModuleLaunchKernel(MultKernel, 1, 0, 1,
                                  1,
                                  0,
                                  1, 0,
                                  stream1, NULL,
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }

  SECTION("Passing 0 for Z dim") {
    REQUIRE(hipModuleLaunchKernel(MultKernel, 1, 1, 0,
                                  1,
                                  1,
                                  0, 0,
                                  stream1, NULL,
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }

  SECTION("Passing both kernel and extra params") {
    REQUIRE(hipModuleLaunchKernel(KernelandExtraParamKernel, 1, 1, 1, 1,
                                  1, 1, 0, stream1,
                                  reinterpret_cast<void**>(&params),
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }

  SECTION("Passing more than maxthreadsperblock to block dim") {
    hipDeviceProp_t deviceProp;
    hipGetDeviceProperties(&deviceProp, 0);
    REQUIRE(hipModuleLaunchKernel(MultKernel, 1, 1, 1,
                                  deviceProp.maxThreadsPerBlock+1,
                                  deviceProp.maxThreadsPerBlock+1,
                                  deviceProp.maxThreadsPerBlock+1, 0,
                                  stream1, NULL,
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }

  SECTION("Block dim X is more than max allowed") {
    hipDeviceProp_t deviceProp;
    hipGetDeviceProperties(&deviceProp, 0);
    REQUIRE(hipModuleLaunchKernel(MultKernel, 1, 1, 1,
                                  deviceProp.maxThreadsDim[0]+1,
                                  1,
                                  1, 0, stream1, NULL,
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }

  SECTION("Block dim Y is more than max allowed") {
    hipDeviceProp_t deviceProp;
    hipGetDeviceProperties(&deviceProp, 0);
    REQUIRE(hipModuleLaunchKernel(MultKernel, 1, 1, 1,
                                  1,
                                  deviceProp.maxThreadsDim[1]+1,
                                  1, 0, stream1, NULL,
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }

  SECTION("Block dim Z is more than max allowed") {
    hipDeviceProp_t deviceProp;
    hipGetDeviceProperties(&deviceProp, 0);
    REQUIRE(hipModuleLaunchKernel(MultKernel, 1, 1, 1,
                                  1,
                                  1,
                                  deviceProp.maxThreadsDim[2]+1,
                                  0, stream1, NULL,
                                  reinterpret_cast<void**>(&config1))
                                  != hipSuccess);
  }

  SECTION("Block invalid config to extra params") {
    void *config3[] = {HIP_LAUNCH_PARAM_BUFFER_POINTER,
                       HIP_LAUNCH_PARAM_BUFFER_SIZE, &size1,
                       HIP_LAUNCH_PARAM_END};
    REQUIRE(hipModuleLaunchKernel(MultKernel, 1, 1, 1,
                                  1, 1, 1, 0, stream1,
                                  NULL,
                                  reinterpret_cast<void**>(&config3))
                                  != hipSuccess);
  }

  HIP_CHECK(hipStreamDestroy(stream1));
  HIP_CHECK(hipModuleUnload(Module));
  CTX_DESTROY()
}

/*
This testcase verifies the work group scenarios of
hipModuleLaunchKernel API
*/
TEST_CASE("Unit_hipModuleLaunchKernel_WorkGroup") {
  HIP_CHECK(hipSetDevice(0));
  hipFunction_t DummyKernel;
  hipModule_t Module;
  hipStream_t stream1;
  CTX_CREATE()

  HIP_CHECK(hipModuleLoad(&Module, fileName));
  HIP_CHECK(hipModuleGetFunction(&DummyKernel, Module, dummyKernel));
  HIP_CHECK(hipStreamCreate(&stream1));
  // Passing Max int value to block dimensions
  hipDeviceProp_t deviceProp;
  hipGetDeviceProperties(&deviceProp, 0);
  double cuberootVal =
              cbrt(static_cast<double>(deviceProp.maxThreadsPerBlock));
  uint32_t cuberoot_floor = floor(cuberootVal);
  uint32_t cuberoot_ceil = ceil(cuberootVal);
  // Scenario: (block.x * block.y * block.z) <= Work Group Size where
  // block.x < MaxBlockDimX , block.y < MaxBlockDimY and block.z < MaxBlockDimZ
  HIP_CHECK(hipModuleLaunchKernel(DummyKernel,
                            1, 1, 1,
                            cuberoot_floor, cuberoot_floor, cuberoot_floor,
                            0, stream1, NULL, NULL));
  // Scenario: (block.x * block.y * block.z) > Work Group Size where
  // block.x < MaxBlockDimX , block.y < MaxBlockDimY and block.z < MaxBlockDimZ
  REQUIRE(hipModuleLaunchKernel(DummyKernel,
                            1, 1, 1,
                            cuberoot_ceil, cuberoot_ceil, cuberoot_ceil + 1,
                            0, stream1, NULL, NULL) != hipSuccess);
  HIP_CHECK(hipStreamDestroy(stream1));
  HIP_CHECK(hipModuleUnload(Module));
  CTX_DESTROY()
}