erbsland-cpp-re/tests.cmake at main · erbsland-dev/erbsland-cpp-re · GitHub

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# Copyright (c) 2025 Tobias Erbsland - https://erbsland.dev
# SPDX-License-Identifier: Apache-2.0

cmake_minimum_required(VERSION 3.23)


if(ERBSLAND_RE_ENABLE_TESTS)
    if(MSVC)
        add_compile_options(/MP)
    endif()

    # Reuse the files from the regular library to build the test library with some extensions.
    get_target_property(_sources erbsland-re SOURCES)
    add_library(erbsland-re-for-test STATIC)
    target_sources(erbsland-re-for-test PRIVATE ${_sources})
    target_compile_definitions(erbsland-re-for-test PUBLIC
            ERBSLAND_UNITTEST_BUILD=1)

    # Set the main properties.
    set_target_properties(erbsland-re-for-test PROPERTIES LINKER_LANGUAGE CXX)
    target_compile_features(erbsland-re-for-test PUBLIC cxx_std_20)

    if(MSVC)
        target_compile_options(erbsland-re-for-test PUBLIC "/utf-8")
        target_compile_options(erbsland-re-for-test PRIVATE /MP)
    endif()

    if(CMAKE_BUILD_TYPE STREQUAL "Debug")
        if(MSVC)
            target_compile_options(erbsland-re-for-test PRIVATE "/W4" "/WX")
        else()
            target_compile_options(erbsland-re-for-test PRIVATE "-Wall" "-Wextra" "-Werror")
            if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
                target_compile_options(erbsland-re-for-test PRIVATE "-fno-omit-frame-pointer" "-mno-omit-leaf-frame-pointer")
            endif ()
        endif()
    endif()

    # Select the correct string type.
    if (ERBSLAND_RE_U8STRING)
        target_compile_definitions(erbsland-re-for-test PUBLIC ERBSLAND_RE_USE_U8STRING=1)
    endif ()

    # Add the test subdirectory.
    add_subdirectory(test)

    # Enable unit tests
    enable_testing()
    add_test(
            NAME unittest
            COMMAND $<TARGET_FILE:unittest> --no-color
    )
endif()