# MIT License
#
# Copyright (c) 2017-2026 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(PROFILE_DIR "${CMAKE_BINARY_DIR}/coverage-report")
set_property(GLOBAL PROPERTY LLVM_COV_OBJECT_ARGS "")
set(INSTALL_TEST_FILE "${CMAKE_CURRENT_BINARY_DIR}/install_CTestTestfile.cmake")
file(WRITE "${INSTALL_TEST_FILE}"
[=[
# This is a test file generated by hipCUB for install time.
# It differs slightly from the default testfile, and you may encounter issues because of that.
]=]
)

function(add_relative_test test_name test_target resource_group)
    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()
    if(BUILD_CODE_COVERAGE)
	 set(ABS_EXE "${EXE_PATH}/${EXE_NAME}")
        set_property(GLOBAL APPEND PROPERTY LLVM_COV_OBJECT_ARGS -object "${ABS_EXE}")
    endif()
    file(RELATIVE_PATH rel_path "${CMAKE_CURRENT_BINARY_DIR}" "${EXE_PATH}/${EXE_NAME}")
    if(BUILD_COMPUTE_SANITIZER)
        add_test(NAME "${test_name}" COMMAND "compute-sanitizer" "./${rel_path}")
    else()
        add_test(NAME "${test_name}" COMMAND "./${rel_path}")
    endif()
    if(BUILD_CODE_COVERAGE)
      set_tests_properties(${test_name} PROPERTIES
        ENVIRONMENT "LLVM_PROFILE_FILE=${PROFILE_DIR}/profraw/hipcub-coverage_%m.profraw"
      )
    endif()
    rocm_install(TARGETS ${test_target} COMPONENT tests)
    file(APPEND "${INSTALL_TEST_FILE}" "add_test(${test_name} \"../${EXE_NAME}\")\n")
    # Set the resource group for the test. This must correspond to a gfxID present in resources.json.
    file(APPEND "${INSTALL_TEST_FILE}" "set_tests_properties([=[${test_name}]=] PROPERTIES RESOURCE_GROUPS \"1,${resource_group}:1\")\n")
    # Track every hipCUB (test_target, resource_group) pair so the shared CTest
    # categorization can attach --gtest_filter category suites to each one
    # while inheriting the same RESOURCE_GROUPS pinning.
    set_property(GLOBAL APPEND PROPERTY HIPCUB_TEST_TARGET_RESOURCE_PAIRS "${test_target}|${resource_group}")
endfunction()

# We'll use this small program to detect available GPUs and build the resource JSON file.
set(GEN_RES_SPEC_PATH ${CMAKE_SOURCE_DIR}/test/generate_resource_spec.cpp)
add_executable(generate_resource_spec ${GEN_RES_SPEC_PATH})
set_target_properties(generate_resource_spec PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}")
target_link_libraries(generate_resource_spec PRIVATE hip::host)
# This test may still get the offload-compress flag passed. Since it does not include any kernel
# code it will give an unused-command-line-argument warning.
target_compile_options(generate_resource_spec PRIVATE "-Wno-unused-command-line-argument")

# hipCUB tests
add_subdirectory(hipcub)

if(BUILD_CODE_COVERAGE)
  add_custom_target(
    coverage_analysis
    COMMAND ${CMAKE_COMMAND} -E rm -rf ${PROFILE_DIR}
    COMMAND ${CMAKE_COMMAND} -E make_directory ${PROFILE_DIR}/profraw
    COMMAND ctest --output-on-failure
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
  )

  find_program(
    LLVM_PROFDATA
    llvm-profdata
    REQUIRED
    HINTS ${ROCM_PATH}/llvm/bin
    PATHS /opt/rocm/llvm/bin
  )

  find_program(
    LLVM_COV
    llvm-cov
    REQUIRED
    HINTS ${ROCM_PATH}/llvm/bin
    PATHS /opt/rocm/llvm/bin
  )

  get_property(LLVM_COV_OBJECT_ARGS GLOBAL PROPERTY LLVM_COV_OBJECT_ARGS)
  add_custom_target(
    coverage
    DEPENDS coverage_analysis
    COMMAND ${LLVM_PROFDATA} merge -sparse ${PROFILE_DIR}/profraw/hipcub-coverage_*.profraw -o ${PROFILE_DIR}/hipcub.profdata
    COMMAND ${LLVM_COV} report ${LLVM_COV_OBJECT_ARGS} --ignore-filename-regex="test_*" -instr-profile=${PROFILE_DIR}/hipcub.profdata
    COMMAND ${LLVM_COV} show ${LLVM_COV_OBJECT_ARGS} --ignore-filename-regex="test_*" -instr-profile=${PROFILE_DIR}/hipcub.profdata -format=html -output-dir=${PROFILE_DIR}
    COMMAND ${LLVM_COV} export ${LLVM_COV_OBJECT_ARGS} --ignore-filename-regex="test_*" -instr-profile=./coverage-report/hipcub.profdata -format=lcov > ./coverage-report/coverage.info
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
  )
endif()


# ****************************************************************************
# Test Filter Standardization
# ****************************************************************************
#
# Wires every hipCUB test binary into the shared rocm-libraries CTest
# categorization (see ${ROCM_LIBRARIES_ROOT}/shared/ctest/). For each tracked
# test target we register one extra CTest entry per category defined in
# test_categories.yaml. Each entry invokes the binary with a
# `--gtest_filter=...` derived from the YAML, and is tagged with the category
# labels and timeout. This lets users select tiers via standard ctest labels:
#
#   ctest -L quick       # fast sanity checks (mirrors TheRock test_hipcub.py)
#   ctest -L standard    # full gtest run
#
# The original per-binary tests added by add_relative_test() above are kept
# untouched, so existing workflows are not affected.
if(EXISTS "${ROCM_LIBRARIES_ROOT}/shared/ctest/TestCategories.cmake")
    include("${ROCM_LIBRARIES_ROOT}/shared/ctest/TestCategories.cmake")

    set(HIPCUB_TEST_CATEGORIES_YAML "${CMAKE_CURRENT_SOURCE_DIR}/test_categories.yaml")
    if(EXISTS "${HIPCUB_TEST_CATEGORIES_YAML}")
        message(STATUS "Applying test categories for hipCUB")
        get_property(_hc_pairs GLOBAL PROPERTY HIPCUB_TEST_TARGET_RESOURCE_PAIRS)
        list(REMOVE_DUPLICATES _hc_pairs)
        foreach(_hc_pair IN LISTS _hc_pairs)
            string(REPLACE "|" ";" _hc_parts "${_hc_pair}")
            list(GET _hc_parts 0 _hc_t)
            list(GET _hc_parts 1 _hc_rg)
            get_target_property(_hc_dir ${_hc_t} RUNTIME_OUTPUT_DIRECTORY)
            if(NOT _hc_dir OR _hc_dir STREQUAL "_hc_dir-NOTFOUND")
                set(_hc_dir "${CMAKE_BINARY_DIR}/test/hipcub")
            endif()
            apply_test_category_labels(
                ${_hc_t}
                "${HIPCUB_TEST_CATEGORIES_YAML}"
                "${_hc_dir}"
                "${INSTALL_TEST_FILE}"
                "${_hc_rg}"
            )
        endforeach()
    else()
        message(STATUS
            "hipCUB test_categories.yaml not found at "
            "${HIPCUB_TEST_CATEGORIES_YAML} - skipping test category labels")
    endif()
else()
    message(STATUS
        "Shared CTest categories not found at "
        "${ROCM_LIBRARIES_ROOT}/shared/ctest/TestCategories.cmake - "
        "skipping hipCUB test category labels")
endif()


rocm_install(
    FILES "${INSTALL_TEST_FILE}"
    DESTINATION "${CMAKE_INSTALL_BINDIR}/${PROJECT_NAME}"
    COMPONENT tests
    RENAME "CTestTestfile.cmake"
)

# Install the executable using the standard install command instead of rocm_install
# since we want to put it in a custom DESTINATION (rocm_install does not support
# the DESTINATION option for TARGETS).
set_property(TARGET generate_resource_spec APPEND PROPERTY INSTALL_RPATH "$ORIGIN/../../lib")
install(
    TARGETS generate_resource_spec
    DESTINATION "${CMAKE_INSTALL_BINDIR}/${PROJECT_NAME}"
    COMPONENT tests
)