# MIT License
#
# Copyright (c) 2017-2019 Advanced Micro Devices, Inc. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# 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
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

# This variable is defined here to be accessible to other test sub-modules
set(COMMON_TEST_HEADER_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})

function(add_relative_test test_name test_target)
    get_target_property(EXE_PATH ${test_target} RUNTIME_OUTPUT_DIRECTORY)
    if(EXE_PATH STREQUAL "EXE_PATH-NOTFOUND")
        set(EXE_PATH ".")
    endif()
    get_filename_component(EXE_PATH "${EXE_PATH}" ABSOLUTE BASE_DIR "${CMAKE_CURRENT_BINARY_DIR}")
    get_target_property(EXE_NAME ${test_target} RUNTIME_OUTPUT_NAME)
    if(EXE_NAME STREQUAL "EXE_NAME-NOTFOUND")
        get_target_property(EXE_NAME ${test_target} OUTPUT_NAME)
        if(EXE_NAME STREQUAL "EXE_NAME-NOTFOUND")
            set(EXE_NAME "${test_target}")
        endif()
    endif()
    file(RELATIVE_PATH rel_path "${CMAKE_CURRENT_BINARY_DIR}" "${EXE_PATH}/${EXE_NAME}")
    add_test(NAME "${test_name}" COMMAND "./${rel_path}")
endfunction()

function(add_hip_test TEST_NAME TEST_SOURCES)
  list(GET TEST_SOURCES 0 TEST_MAIN_SOURCE)

  get_filename_component(TEST_TARGET ${TEST_MAIN_SOURCE} NAME_WE)

  add_executable(${TEST_TARGET} ${TEST_SOURCES})

  target_include_directories(${TEST_TARGET} SYSTEM BEFORE
    PUBLIC
      ${COMMON_TEST_HEADER_DIRECTORY}
  )

  if(TARGET GTest::GTest)
    target_link_libraries(${TEST_TARGET}
      PRIVATE
        GTest::GTest
        GTest::Main
    )
  else()
    target_link_libraries(${TEST_TARGET}
      PRIVATE
        GTest::gtest
        GTest::gtest_main
    )
  endif()
  if(NOT USE_HIP_CPU)
    target_link_libraries(${TEST_TARGET}
      PRIVATE
        rocprim_hip
    )
  else()
    target_link_libraries(${TEST_TARGET}
      PRIVATE
        rocprim
        Threads::Threads
        hip_cpu_rt::hip_cpu_rt
    )
    if(STL_DEPENDS_ON_TBB)
      target_link_libraries(${TEST_TARGET}
        PRIVATE
          TBB::tbb
      )
    endif()
  endif()

  target_compile_options(${TEST_TARGET}
    PRIVATE
      $<$<CXX_COMPILER_ID:MSVC>:
        /bigobj # number of sections exceeded object file format limit: compile with /bigobj
      >
  )

  set_target_properties(${TEST_TARGET}
    PROPERTIES
      RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/test"
  )

  add_relative_test(${TEST_NAME} ${TEST_TARGET})
  if (WIN32 AND NOT DEFINED DLLS_COPIED)
    set(DLLS_COPIED "YES")
    set(DLLS_COPIED ${DLLS_COPIED} PARENT_SCOPE)
    # for now adding in all .dll as dependency chain is not cmake based on win32
    file( GLOB third_party_dlls
    LIST_DIRECTORIES ON
    CONFIGURE_DEPENDS
    ${HIP_DIR}/bin/*.dll
    ${CMAKE_SOURCE_DIR}/rtest.*
    )
    foreach( file_i ${third_party_dlls})
      add_custom_command( TARGET ${TEST_TARGET} POST_BUILD COMMAND ${CMAKE_COMMAND} ARGS -E copy_if_different ${file_i} ${PROJECT_BINARY_DIR}/test )
    endforeach( file_i )
  endif()   
endfunction()

# ****************************************************************************
# Tests
# ****************************************************************************

# HIP tests without using rocPRIM
add_hip_test("hip.device_api" test_hip_api.cpp)

# rocPRIM test
add_subdirectory(rocprim)