# MIT License
#
# Copyright (c) 2017-2025 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.

set(AMDGPU_TEST_TARGETS "" CACHE STRING "List of specific device types to test for") # Leave empty for default system device

# Gets a test target name based on the first source file.
function(get_rocprim_test_target TEST_SOURCES TEST_TARGET)
  list(GET TEST_SOURCES 0 TEST_MAIN_SOURCE)
  get_filename_component(TEST_TARGET ${TEST_MAIN_SOURCE} NAME_WE)
  set(TEST_TARGET ${TEST_TARGET} PARENT_SCOPE)
endfunction()

function(add_rocprim_test TEST_NAME TEST_SOURCES)
  get_rocprim_test_target(${TEST_SOURCES} TEST_TARGET)
  add_rocprim_test_internal(${TEST_NAME} "${TEST_SOURCES}" ${TEST_TARGET})
  if(WITH_ROCRAND)
    find_package(rocrand REQUIRED)
    target_link_libraries(${TEST_TARGET} PRIVATE roc::rocrand) 
    target_compile_definitions(${TEST_TARGET} PRIVATE WITH_ROCRAND)
  endif() 
endfunction()

function(add_rocprim_test_internal TEST_NAME TEST_SOURCES TEST_TARGET)
  if(USE_HIPCXX)
    set_source_files_properties(${TEST_SOURCES} PROPERTIES LANGUAGE HIP)
  endif()
  add_executable(${TEST_TARGET} ${TEST_SOURCES})
  if (ROCPRIM_INSTALL)
    rocm_install(TARGETS ${TEST_TARGET} COMPONENT tests)
  endif()

  target_include_directories(${TEST_TARGET} SYSTEM BEFORE
    PUBLIC
      $<BUILD_INTERFACE:${COMMON_TEST_HEADER_DIRECTORY}>
  )

  if(USE_SYSTEM_LIB)
    target_link_libraries(${TEST_TARGET} PRIVATE roc::rocprim)
    # We need this include to allow tests to find the common utilities folder
    target_include_directories(${TEST_TARGET} PRIVATE ${CMAKE_CURRENT_LIST_DIR})
  else()
    target_link_libraries(${TEST_TARGET} PRIVATE rocprim)
  endif()
  target_link_libraries(${TEST_TARGET}
    PRIVATE
      GTest::GTest
      GTest::Main
  )

  if(USE_HIPCXX)
    target_link_libraries(${TEST_TARGET}
      PRIVATE
      $<IF:$<LINK_LANGUAGE:HIP>,hip::host,hip::device>
    )
  else()
    target_link_libraries(${TEST_TARGET}
      PRIVATE
      hip::device)
  endif()

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

  function(add_rocprim_test_disable_dpp TEST_NAME TEST_SOURCES)
    get_rocprim_test_target(${TEST_SOURCES} TEST_TARGET)
    set(TEST_TARGET "${TEST_TARGET}_disable_dpp")
    add_rocprim_test_internal("${TEST_NAME}_disable_dpp" "${TEST_SOURCES}" ${TEST_TARGET})
    target_compile_definitions(${TEST_TARGET} PRIVATE ROCPRIM_DISABLE_DPP=1)
  endfunction()

  if(WIN32)
    # Usage of 128-bit integral types (__int128_t and __uint128_t, whose alignment is 16 bytes)
    # requires an extended alignment support. Otherwise, a static assert will be triggered in
    # functions like std::stable_sort. _ENABLE_EXTENDED_ALIGNED_STORAGE turns it on:
    target_compile_definitions(${TEST_TARGET} PRIVATE _ENABLE_EXTENDED_ALIGNED_STORAGE)
  endif()

  set_target_properties(${TEST_TARGET}
    PROPERTIES
      RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/test/rocprim"
  )
  if(AMDGPU_TEST_TARGETS)
    foreach(AMDGPU_TARGET IN LISTS AMDGPU_TEST_TARGETS)
      add_relative_test("${AMDGPU_TARGET}-${TEST_NAME}" ${TEST_TARGET})
      set_tests_properties("${AMDGPU_TARGET}-${TEST_NAME}"
          PROPERTIES
              RESOURCE_GROUPS "1,${AMDGPU_TARGET}:1"
              LABELS "hip;${AMDGPU_TARGET}"
      )
    endforeach()
  else()
      add_relative_test(${TEST_NAME} ${TEST_TARGET})
      set_tests_properties(${TEST_NAME}
          PROPERTIES
              LABELS "hip"
      )
  endif()

  if (WIN32 AND NOT DEFINED DLLS_COPIED_2)
    set(DLLS_COPIED_2 "YES")
    set(DLLS_COPIED_2 ${DLLS_COPIED_2} 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/rocprim )
    endforeach( file_i )
  endif()
endfunction()

# Returns a list of values that match the pattern
# "if ${WORD} == <value>" with optional whitespace between the tokens.
function(get_match_list FILE_STRING WORD MATCH_LIST)
  # collect all substrings that match the pattern
  string(REGEX MATCHALL "${WORD}[ ]*==[ ]*[0-9]*" LINE_MATCHES "${${FILE_STRING}}")
  set(${MATCH_LIST} "")
  # iterate over the substrings, record the values using the same regex
  foreach(LINE IN LISTS LINE_MATCHES)
    string(REGEX MATCH "${WORD}[ ]*==[ ]*([0-9]*)" TMP "${LINE}")
    list(APPEND ${MATCH_LIST} "${CMAKE_MATCH_1}")
  endforeach()
  set(${MATCH_LIST} ${${MATCH_LIST}} PARENT_SCOPE)
endfunction()

# Replacement for add_rocprim_test that splits up test cases allowing them to be compiled in parallel.
# A single .cpp.in file is provided containing valid C++ code with the addition of slice definitions.
# The slice definitions ROCPRIM_TEST_SLICE, ROCPRIM_TEST_SUITE_SLICE, and ROCPRIM_TEST_TYPE_SLICE demarkate
# slices of non-typed tests, typed test suites, and test types respectively. The slice cases must be
# marked with an "(el)if" statement (no "else") that has a unique value to ensure that the correct slice
# gets enabled. This function will generate a separate .cpp file for all non-typed test slices and the
# product of the typed test suites and test types.
#
# This example will generate five files:
#
# #cmakedefine ROCPRIM_TEST_SUITE_SLICE @ROCPRIM_TEST_SUITE_SLICE@
# #cmakedefine ROCPRIM_TEST_TYPE_SLICE  @ROCPRIM_TEST_TYPE_SLICE@
# #cmakedefine ROCPRIM_TEST_SLICE       @ROCPRIM_TEST_SLICE@
#
# #if   ROCPRIM_TEST_SLICE == 0
#   DEFINE_NAMED_TEST(TestSuiteName, NonTypedTest)
# #endif
# #if   ROCPRIM_TEST_SUITE_SLICE == 0
#   REGISTER_TYPED_TEST(TestSuiteName, TestZero, test_zero)
#   REGISTER_TYPED_TEST_SUITE(TestSuiteName, TestZero)
# #elif ROCPRIM_TEST_SUITE_SLICE == 1
#   REGISTER_TYPED_TEST(TestSuiteName, TestOne, test_one)
#   REGISTER_TYPED_TEST(TestSuiteName, TestTwo, test_two)
#   REGISTER_TYPED_TEST_SUITE(TestSuiteName, TestOne, TestTwo)
# #endif
# #if   ROCPRIM_TEST_TYPE_SLICE == 0
#   INSTANTIATE_TYPED_TEST(TestSuiteName, double)
# #elif ROCPRIM_TEST_TYPE_SLICE == 1
#   INSTANTIATE_TYPED_TEST(TestSuiteName, float)
#   INSTANTIATE_TYPED_TEST(TestSuiteName, int)
# #endif
function(add_rocprim_test_parallel TEST_NAME TEST_SOURCE)
  get_rocprim_test_target(${TEST_SOURCE} TEST_TARGET)

  file(READ ${TEST_SOURCE} FILE_CONTENTS)

  set(SOURCES "")

  # first, handle all non-typed tests
  # disable typed test, generate one file for each non-typed test
  set(ROCPRIM_TEST_SUITE_SLICE -1)
  set(ROCPRIM_TEST_TYPE_SLICE -1)
  get_match_list(FILE_CONTENTS "ROCPRIM_TEST_SLICE" TEST_SLICE_LIST)
  list(LENGTH TEST_SLICE_LIST TEST_SLICE_COUNT)
  if(TEST_SLICE_COUNT EQUAL 0)
    message(VERBOSE "found no non-typed tests for test target ${TEST_TARGET}")
  else()
    message(VERBOSE "found ${TEST_SLICE_COUNT} non-typed test slice(s) for test target ${TEST_TARGET}")
    foreach(ROCPRIM_TEST_SLICE IN LISTS TEST_SLICE_LIST)
      set(FILENAME "${TEST_TARGET}.parallel/${TEST_TARGET}_${ROCPRIM_TEST_SLICE}.cpp")
      configure_file(${TEST_SOURCE} ${FILENAME} @ONLY)
      list(APPEND SOURCES "${CMAKE_CURRENT_BINARY_DIR}/${FILENAME}")
    endforeach()
  endif()

  # second, handle all typed tests
  # disable non-typed test, generate one file for each test suite and test type pair
  set(ROCPRIM_TEST_SLICE -1)
  get_match_list(FILE_CONTENTS "ROCPRIM_TEST_SUITE_SLICE" TEST_SUITE_SLICE_LIST)
  list(LENGTH TEST_SUITE_SLICE_LIST TEST_SUITE_SLICE_COUNT)
  get_match_list(FILE_CONTENTS "ROCPRIM_TEST_TYPE_SLICE" TEST_TYPE_SLICE_LIST)
  list(LENGTH TEST_TYPE_SLICE_LIST TEST_TYPE_SLICE_COUNT)
  if(TEST_SUITE_SLICE_COUNT EQUAL 0 OR TEST_TYPE_SLICE_COUNT EQUAL 0)
    message(VERBOSE "found no typed tests for test target ${TEST_TARGET}")
  else()
    message(VERBOSE "found ${TEST_SUITE_SLICE_COUNT} test suite slice(s) and \
${TEST_TYPE_SLICE_COUNT} test type slice(s) for test target ${TEST_TARGET}")
    foreach(ROCPRIM_TEST_SUITE_SLICE IN LISTS TEST_SUITE_SLICE_LIST)
      foreach(ROCPRIM_TEST_TYPE_SLICE IN LISTS TEST_TYPE_SLICE_LIST)
        set(FILENAME "${TEST_TARGET}.parallel/${TEST_TARGET}_typed_${ROCPRIM_TEST_SUITE_SLICE}_${ROCPRIM_TEST_TYPE_SLICE}.cpp")
        configure_file(${TEST_SOURCE} ${FILENAME} @ONLY)
        list(APPEND SOURCES "${CMAKE_CURRENT_BINARY_DIR}/${FILENAME}")
      endforeach()
    endforeach()
  endif()

  # if no files are generated, nothing is built for the target
  list(LENGTH SOURCES SOURCES_COUNT)
  if(${SOURCES_COUNT} EQUAL 0)
    message(FATAL_ERROR "no .cpp files generated for target ${TEST_TARGET}")
  endif()

  set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_CLEAN_FILES "${TEST_TARGET}.parallel")
  add_rocprim_test_internal(${TEST_NAME} "${SOURCES}" ${TEST_TARGET})
  target_include_directories("${TEST_TARGET}" PRIVATE "../../test/rocprim")
  # Make sure the configured files are re-configured if they are removed (via clean).
  set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${SOURCES})
endfunction()

function(add_rocprim_cpp_standard_test STANDARD EXTENSIONS TARGET_SUFFIX TEST_NAME TEST_SOURCES)
  get_rocprim_test_target(${TEST_SOURCES} TEST_TARGET)
  set(TEST_TARGET ${TEST_TARGET}${TARGET_SUFFIX})
  add_rocprim_test_internal(${TEST_NAME}${TARGET_SUFFIX} "${TEST_SOURCES}" ${TEST_TARGET})
  # Request C++ standard 17, but decay to a previous version if not available:
  set_target_properties(${TEST_TARGET}
    PROPERTIES
    CXX_STANDARD ${STANDARD}
    CXX_EXTENSIONS ${EXTENSIONS})
  if(USE_HIPCXX)
    set_target_properties(${TEST_TARGET}
      PROPERTIES
      HIP_STANDARD ${STANDARD}
      HIP_EXTENSIONS ${EXTENSIONS})
  endif()
endfunction()

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

# Internal test to check internal behaviour
add_rocprim_test("rocprim.internal_merge_path" "internal/test_internal_merge_path.cpp")

# HIP basic test, which also checks if there are no linkage problems when there are multiple sources
add_rocprim_test("rocprim.basic_test" "test_basic.cpp;detail/get_rocprim_version.cpp")

add_rocprim_test("rocprim.arg_index_iterator" test_arg_index_iterator.cpp)
add_rocprim_test("rocprim.temporary_storage_partitioning" test_temporary_storage_partitioning.cpp)
if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
  # clang++ from ROCm 6.1+ takes too long to build these tests in Debug mode (which passes -O0)
  add_rocprim_test_parallel("rocprim.block_adjacent_difference" test_block_adjacent_difference.cpp.in)
  add_rocprim_test_parallel("rocprim.block_discontinuity" test_block_discontinuity.cpp.in)
endif()
add_rocprim_test("rocprim.bit_cast" test_bit_cast.cpp)
add_rocprim_test("rocprim.block_exchange" test_block_exchange.cpp)
add_rocprim_test("rocprim.block_histogram" test_block_histogram.cpp)
add_rocprim_test("rocprim.block_load_store" test_block_load_store.cpp)
add_rocprim_test("rocprim.block_sort_merge" test_block_sort_merge.cpp)
add_rocprim_test("rocprim.block_sort_merge_stable" test_block_sort_merge_stable.cpp)
add_rocprim_test_parallel("rocprim.block_radix_rank" test_block_radix_rank.cpp.in)
add_rocprim_test_parallel("rocprim.block_radix_sort" test_block_radix_sort.cpp.in)
add_rocprim_test("rocprim.block_reduce" test_block_reduce.cpp)
add_rocprim_test("rocprim.block_run_length_decode" test_block_run_length_decode.cpp)
add_rocprim_test_parallel("rocprim.block_scan" test_block_scan.cpp.in)
add_rocprim_test("rocprim.block_shuffle" test_block_shuffle.cpp)
add_rocprim_test("rocprim.block_sort_bitonic" test_block_sort_bitonic.cpp)
add_rocprim_test("rocprim.config_dispatch" test_config_dispatch.cpp)
add_rocprim_test("rocprim.constant_iterator" test_constant_iterator.cpp)
add_rocprim_test("rocprim.counting_iterator" test_counting_iterator.cpp)
add_rocprim_test("rocprim.device_batch_memcpy" test_device_batch_memcpy.cpp)
add_rocprim_test("rocprim.device_binary_search" test_device_binary_search.cpp)
add_rocprim_test("rocprim.device_find_first_of" test_device_find_first_of.cpp)
add_rocprim_test("rocprim.device_adjacent_difference" test_device_adjacent_difference.cpp)
add_rocprim_test("rocprim.device_adjacent_find" test_device_adjacent_find.cpp)
add_rocprim_test("rocprim.device_find_end" test_device_find_end.cpp)
add_rocprim_test("rocprim.device_histogram" test_device_histogram.cpp)
add_rocprim_test("rocprim.device_merge" test_device_merge.cpp)
add_rocprim_test("rocprim.device_merge_inplace" test_device_merge_inplace.cpp)
add_rocprim_test("rocprim.device_merge_sort" test_device_merge_sort.cpp)
add_rocprim_test("rocprim.nth_element" test_device_nth_element.cpp)
add_rocprim_test("rocprim.device_partial_sort" test_device_partial_sort.cpp)
add_rocprim_test("rocprim.device_partition" test_device_partition.cpp)
add_rocprim_test_parallel("rocprim.device_radix_sort" test_device_radix_sort.cpp.in)
add_rocprim_test("rocprim.device_reduce_by_key" test_device_reduce_by_key.cpp)
add_rocprim_test("rocprim.device_reduce" test_device_reduce.cpp)
add_rocprim_test("rocprim.device_run_length_encode" test_device_run_length_encode.cpp)
add_rocprim_test("rocprim.device_scan_by_key" test_device_scan_by_key.cpp)
add_rocprim_test("rocprim.device_scan" test_device_scan.cpp)
add_rocprim_test("rocprim.device_search" test_device_search.cpp)
add_rocprim_test_parallel("rocprim.device_segmented_radix_sort" test_device_segmented_radix_sort.cpp.in)
add_rocprim_test("rocprim.device_search_n" test_device_search_n.cpp)
add_rocprim_test("rocprim.device_segmented_reduce" test_device_segmented_reduce.cpp)
add_rocprim_test("rocprim.device_segmented_scan" test_device_segmented_scan.cpp)
add_rocprim_test("rocprim.device_select" test_device_select.cpp)
add_rocprim_test("rocprim.device_transform" test_device_transform.cpp)
add_rocprim_test("rocprim.discard_iterator" test_discard_iterator.cpp)
add_rocprim_test("rocprim.lookback_reproducibility" test_lookback_reproducibility.cpp)
add_rocprim_test("rocprim.radix_key_codec" test_radix_key_codec.cpp)
add_rocprim_test("rocprim.predicate_iterator" test_predicate_iterator.cpp)
add_rocprim_test("rocprim.reverse_iterator" test_reverse_iterator.cpp)
add_rocprim_test("rocprim.rocprim_tuple" test_rocprim_tuple.cpp)
add_rocprim_test("rocprim.rocprim_types" test_rocprim_types.cpp)
add_rocprim_test("rocprim.texture_cache_iterator" test_texture_cache_iterator.cpp)
add_rocprim_test("rocprim.thread" test_thread.cpp)
add_rocprim_test("rocprim.thread_algos" test_thread_algos.cpp)
add_rocprim_test("rocprim.tuple" test_tuple.cpp)
add_rocprim_test("rocprim.utils_sort_checker" test_utils_sort_checker.cpp)
add_rocprim_test("rocprim.transform_iterator" test_transform_iterator.cpp)
add_rocprim_cpp_standard_test(17 OFF "_cpp17" "rocprim.type_traits_interface" test_type_traits_interface.cpp)
add_rocprim_cpp_standard_test(17 ON "_gnupp17" "rocprim.type_traits_interface" test_type_traits_interface.cpp)
add_rocprim_cpp_standard_test(20 OFF "_cpp20" "rocprim.type_traits_interface" test_type_traits_interface.cpp)
add_rocprim_cpp_standard_test(20 ON "_gnupp20" "rocprim.type_traits_interface" test_type_traits_interface.cpp)
add_rocprim_test("rocprim.no_half_operators" test_no_half_operators.cpp)
add_rocprim_test("rocprim.intrinsics" test_intrinsics.cpp)
add_rocprim_test("rocprim.intrinsics_atomic" test_intrinsics_atomic.cpp)
add_rocprim_test("rocprim.invoke_result" test_invoke_result.cpp)
add_rocprim_test("rocprim.warp_exchange" test_warp_exchange.cpp)
add_rocprim_test("rocprim.warp_load" test_warp_load.cpp)
add_rocprim_test("rocprim.warp_reduce" test_warp_reduce.cpp)
add_rocprim_test("rocprim.warp_scan" test_warp_scan.cpp)
add_rocprim_test_disable_dpp("rocprim.warp_scan_disable_dpp" test_warp_scan.cpp)
add_rocprim_test("rocprim.warp_sort" test_warp_sort.cpp)
add_rocprim_test("rocprim.warp_store" test_warp_store.cpp)
add_rocprim_test("rocprim.zip_iterator" test_zip_iterator.cpp)
add_rocprim_test("rocprim.accumulator_t" test_accumulator_t.cpp)

if(NOT WIN32)
  # Linking tests check if all external rocPRIM symbols are in the inline namespace, kernel are not
  # visible and if it is possible to link two libraries that use different rocPRIM versions.
  # See comments in test_linking_new_scan.hpp for more details.

  # For testing how the old behavior (without inline namespace) works set it to ON, the tests will
  # fail
  set(WITHOUT_INLINE_NAMESPACE OFF)

  if(WITHOUT_INLINE_NAMESPACE)
    set(COMMON_DEFINITIONS "ROCPRIM_DISABLE_INLINE_NAMESPACE")
  endif()

  add_library(test_linking_lib1 SHARED test_linking_lib.cpp)
  if(ROCPRIM_INSTALL)
    # Use a dummy export file to avoid adding the library to rocprim-targets.cmake
    rocm_install(TARGETS test_linking_lib1 COMPONENT tests EXPORT rocprim-tests)
  endif()
  target_include_directories(test_linking_lib1 SYSTEM BEFORE
    PRIVATE
      $<BUILD_INTERFACE:${COMMON_TEST_HEADER_DIRECTORY}>
      $<TARGET_PROPERTY:GTest::GTest,INTERFACE_INCLUDE_DIRECTORIES>
  )
  target_link_libraries(test_linking_lib1 PRIVATE rocprim_hip)
  set_target_properties(test_linking_lib1
    PROPERTIES
      RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/test/rocprim"
      COMPILE_DEFINITIONS "TEST_FUNC=test1;${COMMON_DEFINITIONS};"
  )

  add_library(test_linking_lib2 SHARED test_linking_lib.cpp)
  if(ROCPRIM_INSTALL)
    # Use a dummy export file to avoid adding the library to rocprim-targets.cmake
    rocm_install(TARGETS test_linking_lib2 COMPONENT tests EXPORT rocprim-tests)
  endif()
  target_include_directories(test_linking_lib2 SYSTEM BEFORE
    PRIVATE
      $<BUILD_INTERFACE:${COMMON_TEST_HEADER_DIRECTORY}>
      $<TARGET_PROPERTY:GTest::GTest,INTERFACE_INCLUDE_DIRECTORIES>
  )
  target_link_libraries(test_linking_lib2 PRIVATE rocprim_hip)
  # Pretend that we build this library with another version of rocPRIM which uses another
  # implementation of scan
  if(NOT WITHOUT_INLINE_NAMESPACE)
    set(LIB2_NAMESPACE_DEFINITION "ROCPRIM_INLINE_NAMESPACE=ROCPRIM_300201_NS")
  endif()
  set_target_properties(test_linking_lib2
    PROPERTIES
      RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/test/rocprim"
      COMPILE_DEFINITIONS "TEST_FUNC=test2;TEST_LINKING_EMULATE_ANOTHER_VERSION;${COMMON_DEFINITIONS};${LIB2_NAMESPACE_DEFINITION};"
  )

  add_rocprim_test_internal("rocprim.linking" "test_linking.cpp;test_linking_lib.cpp" test_linking)
  target_link_libraries(test_linking PUBLIC test_linking_lib1 test_linking_lib2)
  set_target_properties(test_linking
    PROPERTIES
      COMPILE_DEFINITIONS "TEST_FUNC=test0;${COMMON_DEFINITIONS};"
  )

  # Check what symbols are exported by the libraries and what their names are
  # nm --demangle --defined-only --extern-only <library> is used to print
  # the symbols that are exported from a library.

  set(NM_ARGS --demangle --defined-only --extern-only)

  # The tests fail if
  #  * there are symbols in the rocprim namespace but not in the inline namespace with the
  #    corresponding rocPRIM version;
  #  * any kernels are visible (usually they have "kernel" in their names).

  # The current compiler ignores `__attribute__((__visibility__("hidden")))` for executables,
  # but not for libraries, so we remove the `|kernel` from the regex in rocprim.linking_symbols.
  string(REPLACE ";" " " NM_ARGS_STR "${NM_ARGS}")
  add_test(
    NAME "rocprim.linking_lib1_symbols"
    COMMAND sh -c "${CMAKE_NM} ${NM_ARGS_STR} $<TARGET_FILE:test_linking_lib1> | grep -c -P \"(rocprim::(?!ROCPRIM_${rocprim_VERSION_NUMBER}_NS))|kernel\""
  )
  add_test(
    NAME "rocprim.linking_lib2_symbols"
    COMMAND sh -c "${CMAKE_NM} ${NM_ARGS_STR} $<TARGET_FILE:test_linking_lib2> | grep -c -P \"(rocprim::(?!ROCPRIM_300201_NS))|kernel\""
  )
  add_test(
    NAME "rocprim.linking_symbols"
    COMMAND sh -c "${CMAKE_NM} ${NM_ARGS_STR} $<TARGET_FILE:test_linking> | grep -c -P \"(rocprim::(?!ROCPRIM_${rocprim_VERSION_NUMBER}_NS))\""
  )
  set_tests_properties(
    "rocprim.linking_lib1_symbols"
    "rocprim.linking_lib2_symbols"
    "rocprim.linking_symbols"
    PROPERTIES
      PASS_REGULAR_EXPRESSION "^0" # no such symbols must be found (grep -c returns 0)
  )
endif()
