refactor unit tests to use Catch2

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "external/Catch2"]
+	path = external/Catch2
+	url = https://github.com/catchorg/Catch2.git

CMakeLists.txt

@@ -37,6 +37,7 @@ include(CMakePackageConfigHelpers)
 write_basic_package_version_file("${version_pkg_config}" COMPATIBILITY SameMajorVersion)
 configure_package_config_file("cmake/Config.cmake.in" "${project_pkg_config}" INSTALL_DESTINATION "${pkg_config_install_dir}")
 
+add_subdirectory(external/Catch2)
 add_subdirectory(trng)
 add_subdirectory(examples)
 add_subdirectory(tests)

tests/CMakeLists.txt

@@ -1,32 +1,15 @@
-find_package(Boost)
+add_executable(test_all test_all.cc test_engines.cc test_distributions.cc test_special_functions.cc test_int_math.cc test_linear_algebra.cc)
+target_link_libraries(test_all PRIVATE trng4::trng4 Catch2::Catch2)
+if (WIN32 AND BUILD_SHARED_LIBS)
+    add_custom_command(TARGET test_all POST_BUILD
+            COMMAND ${CMAKE_COMMAND} -E copy
+            $<TARGET_RUNTIME_DLLS:test_all>
+            $<TARGET_FILE_DIR:test_all>
+            COMMAND_EXPAND_LISTS)
+endif ()
 
-if (Boost_FOUND)
-    set(Boost_USE_STATIC_LIBS OFF)
-    find_package(Boost REQUIRED COMPONENTS unit_test_framework)
+set(CMAKE_MODULE_PATH ../external/Catch2/contrib ${CMAKE_MODULE_PATH})
+include(CTest)
+include(Catch)
 
-    add_executable(test_all test_all.cc test_engines.cc test_distributions.cc test_math.cc test_int_math.cc type_names.cc test_linear_algebra.cc)
-    target_link_libraries(test_all PUBLIC trng4::trng4 Boost::unit_test_framework)
-    if (WIN32 AND BUILD_SHARED_LIBS)
-        add_custom_command(TARGET test_all POST_BUILD
-                COMMAND ${CMAKE_COMMAND} -E copy
-                $<TARGET_RUNTIME_DLLS:test_all>
-                $<TARGET_FILE_DIR:test_all>
-                COMMAND_EXPAND_LISTS)
-    endif ()
-    if (CMAKE_CXX_COMPILER_ID MATCHES MSVC)
-        target_compile_options(test_all PUBLIC "/bigobj")
-    endif ()
-    add_test(NAME run_test_all COMMAND test_all --log_level=test_suite CONFIGURATIONS Debug Release RelWithDebInfo)
-    if (WIN32)
-        set(exec_path_debug "PATH=${Boost_LIBRARY_DIR_DEBUG}$<SEMICOLON>$ENV{PATH}")
-        set(exec_path_release "PATH=${Boost_LIBRARY_DIR_RELEASE}$<SEMICOLON>$ENV{PATH}")
-        string(TOLOWER ${CMAKE_BUILD_TYPE} build_type)
-        if (build_type STREQUAL debug)
-            set_tests_properties(run_test_all PROPERTIES ENVIRONMENT "${exec_path_debug}")
-        elseif (build_type STREQUAL release)
-            set_tests_properties(run_test_all PROPERTIES ENVIRONMENT "${exec_path_release}")
-        elseif (build_type STREQUAL relwithdebinfo)
-            set_tests_properties(run_test_all PROPERTIES ENVIRONMENT "${exec_path_release}")
-        endif ()
-    endif ()
-endif ()
+catch_discover_tests(test_all)

tests/test_all.cc

@@ -30,6 +30,7 @@
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 // OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#define BOOST_TEST_MODULE test all
-#define BOOST_TEST_DYN_LINK
-#include <boost/test/unit_test.hpp>
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>
+#include <catch2/catch_reporter_sonarqube.hpp>
+#include <catch2/catch_reporter_teamcity.hpp>