//
// Copyright (c) 2017 The Khronos Group Inc.
// 
// 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 test_conformance_check_mem_host_no_access_h
#define test_conformance_check_mem_host_no_access_h


#include "checker_mem_host_write_only.hpp"

template < class T> class cBuffer_check_mem_host_no_access : public cBuffer_check_mem_host_write_only< T >
{
public:
  cBuffer_check_mem_host_no_access(cl_device_id deviceID, cl_context context, cl_command_queue queue)
  : cBuffer_check_mem_host_write_only < T > (deviceID, context, queue)
  {
  };

  cBuffer_check_mem_host_no_access()
  {
  };

  virtual cl_int SetupBuffer();
  virtual cl_int SetupASSubBuffer(cl_mem_flags parent_buffer_flag);
  virtual cl_int Setup_Test_Environment();

  cl_int verify_RW_Buffer();
  cl_int verify_RW_Buffer_rect();
  cl_int verify_RW_Buffer_mapping();
};

template < class T >
cl_int cBuffer_check_mem_host_no_access< T >::SetupBuffer()
{
  this->m_nNumber_elements = 1000;
  T vv1 = TEST_VALUE;
  this->host_m_1.Init( this->m_nNumber_elements, vv1);

  T vv2 = 0;
  this->host_m_2.Init( this->m_nNumber_elements, vv2);

  cl_int err;
  int block_size_in_byte = this->get_block_size_bytes();
  this->m_buffer = clCreateBuffer(this->m_context, this->buffer_mem_flag,
                                  block_size_in_byte, this->host_m_1.pData, &err);
  test_error(err, "clCreateBuffer error");
  err = this->Check_GetMemObjectInfo(this->buffer_mem_flag);

  if (this->buffer_mem_flag | CL_MEM_USE_HOST_PTR)
  {
    this->pHost_ptr = (void *)this->host_m_1.pData;
  }

  return err;
}

template < class T >
cl_int cBuffer_check_mem_host_no_access< T >::SetupASSubBuffer(cl_mem_flags parent_buffer_flag)
{
  return cBuffer_checker<T>::SetupASSubBuffer(parent_buffer_flag);
}

template < class T >
cl_int cBuffer_check_mem_host_no_access< T >::Setup_Test_Environment()
{
  cBuffer_check_mem_host_write_only<T>::Setup_Test_Environment();

  return CL_SUCCESS;
}

template < class T>
cl_int cBuffer_check_mem_host_no_access< T >::verify_RW_Buffer()
{
  cl_event event;
  cl_int err = clEnqueueReadBuffer(this->m_queue, this->m_buffer, this->m_blocking, 0,
                                   this->get_block_size_bytes(), this->host_m_1.pData,
                                   0, NULL, &event);

  if (err == CL_SUCCESS) {
    log_error("Calling clEnqueueWriteBuffer on a memory object created with the CL_MEM_HOST_NO_ACCESS flag should not return CL_SUCCESS\n");
    err = FAILURE;
    return FAILURE;

  } else {
    log_info("Test succeeded\n\n");
    err = CL_SUCCESS;
  }

  err = clEnqueueWriteBuffer(this->m_queue, this->m_buffer, this->m_blocking, 0,
                             this->get_block_size_bytes(), this->host_m_1.pData,
                             0, NULL, &event);

  if (err == CL_SUCCESS) {
    log_error("Calling clEnqueueWriteBuffer on a memory object created with the CL_MEM_HOST_NO_ACCESS flag should not return CL_SUCCESS\n");
    err = FAILURE;
    return FAILURE;

  } else {
    log_info("Test succeeded\n\n");
    err = CL_SUCCESS;
  }

  return err;
}

template < class T >
cl_int cBuffer_check_mem_host_no_access< T >::verify_RW_Buffer_rect()
{
  this->Init_rect();
  cl_event event;
  cl_int err = CL_SUCCESS;
  err = clEnqueueReadBufferRect(this->m_queue, this->m_buffer, this->m_blocking,
                                this->buffer_origin_bytes,
                                this->host_origin_bytes,
                                this->region_bytes,
                                this->buffer_row_pitch_bytes,
                                this->buffer_slice_pitch_bytes,
                                this->host_row_pitch_bytes,
                                this->host_slice_pitch_bytes,
                                this->host_m_2.pData,
                                0, NULL, &event);

  if (err == CL_SUCCESS) {
    log_error("Calling clEnqueueReadBufferRect on a memory object created with the CL_MEM_HOST_NO_ACCESS flag should not return CL_SUCCESS\n");
    err = FAILURE;
    return FAILURE;

  } else {
    log_info("Test succeeded\n\n");
    err = CL_SUCCESS;
  }

  err = clEnqueueWriteBufferRect(this->m_queue, this->m_buffer, this->m_blocking,
                                 this->buffer_origin_bytes ,
                                 this->host_origin_bytes,
                                 this->region_bytes,
                                 this->buffer_row_pitch_bytes,
                                 this->buffer_slice_pitch_bytes,
                                 this->host_row_pitch_bytes,
                                 this->host_slice_pitch_bytes,
                                 this->host_m_2.pData,
                                 0, NULL, &event);

  if (err == CL_SUCCESS) {
    log_error("Calling clEnqueueWriteBufferRect on a memory object created with the CL_MEM_HOST_NO_ACCESS flag should not return CL_SUCCESS\n");
    err = FAILURE;
    return FAILURE;

  } else {
    log_info("Test succeeded\n\n");
    err = CL_SUCCESS;
  }

  return err;
}

template < class T >
cl_int cBuffer_check_mem_host_no_access< T >::verify_RW_Buffer_mapping()
{
  cl_event event;
  cl_int err;

  void *dataPtr;
  dataPtr = clEnqueueMapBuffer(this->m_queue, this->m_buffer, this->m_blocking, CL_MAP_READ,
                               0, this->get_block_size_bytes(), 0, NULL, &event, &err);
  if (err == CL_SUCCESS) {
    log_error("Calling clEnqueueMapBuffer (CL_MAP_READ) on a memory object created with the CL_MEM_HOST_NO_ACCESS flag should not return CL_SUCCESS\n");
    err = FAILURE;
    return FAILURE;

  } else {
    log_info("Test succeeded\n\n");
    err = CL_SUCCESS;
  }

  dataPtr = clEnqueueMapBuffer(this->m_queue, this->m_buffer, this->m_blocking, CL_MAP_WRITE,
                               0, this->get_block_size_bytes(), 0, NULL, &event, &err);
  if (err == CL_SUCCESS) {
    log_error("Calling clEnqueueMapBuffer (CL_MAP_WRITE) on a memory object created with the CL_MEM_HOST_NO_ACCESS flag should not return CL_SUCCESS\n");
    err = FAILURE;
    return FAILURE;

  } else {
    log_info("Test succeeded\n\n");
    err = CL_SUCCESS;
  }

  return err;
}

#endif