Created simple dummy unit tests.

CMakeLists.txt

@@ -264,4 +264,14 @@ if(ENABLE_GENERICIO)
   include(${CMAKE_CURRENT_SOURCE_DIR}/external/genericio.cmake)
   target_link_libraries(${PRGNAME} PRIVATE genericio::genericio_mpi)
   target_compile_definitions(${PRGNAME} PRIVATE "ENABLE_GENERICIO")
+endif()
+
+################################### Testing ####################################
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+  include(CTest)
+  enable_testing()
+endif()
+
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME AND BUILD_TESTING)
+  add_subdirectory(testing)
 endif()

testing/CMakeLists.txt

@@ -0,0 +1,12 @@
+# get all unit test sources
+file(GLOB UNIT_TEST_SOURCES "${PROJECT_SOURCE_DIR}/testing/unit/*.cpp")
+
+# create the tests
+foreach(UNIT_TEST_CPP ${UNIT_TEST_SOURCES})
+  get_filename_component(UNIT_TEST_NAME ${UNIT_TEST_CPP} NAME_WE)
+  add_executable(${UNIT_TEST_NAME} ${UNIT_TEST_CPP})
+  add_test(NAME ${UNIT_TEST_NAME} COMMAND ${UNIT_TEST_NAME})
+endforeach()
+
+# add properties to specific tests
+set_tests_properties(failure PROPERTIES WILL_FAIL true)

testing/unit/failure.cpp

@@ -0,0 +1,5 @@
+#include <cstdlib>
+
+int main(int argc, char const *argv[]) {
+  return EXIT_FAILURE;
+}

testing/unit/success.cpp

@@ -0,0 +1,5 @@
+#include <cstdlib>
+
+int main(int argc, char const *argv[]) {
+  return EXIT_SUCCESS;
+}