cmake_minimum_required(VERSION 3.15) # set the project name and version project(Tutorial VERSION 1.0) # specify the C++ standard add_library(tutorial_compiler_flags INTERFACE) target_compile_features(tutorial_compiler_flags INTERFACE cxx_std_11) # add compiler warning flags just when building this project via # the BUILD_INTERFACE genex set(gcc_like_cxx "$") set(msvc_cxx "$") target_compile_options(tutorial_compiler_flags INTERFACE "$<${gcc_like_cxx}:$>" "$<${msvc_cxx}:$>" ) # configure a header file to pass some of the CMake settings # to the source code configure_file(TutorialConfig.h.in TutorialConfig.h) # add the MathFunctions library add_subdirectory(MathFunctions) # add the executable add_executable(Tutorial tutorial.cxx) target_link_libraries(Tutorial PUBLIC MathFunctions tutorial_compiler_flags) # add the binary tree to the search path for include files # so that we will find TutorialConfig.h target_include_directories(Tutorial PUBLIC "${PROJECT_BINARY_DIR}" ) # add the install targets install(TARGETS Tutorial DESTINATION bin) install(FILES "${PROJECT_BINARY_DIR}/TutorialConfig.h" DESTINATION include ) # enable testing include(CTest) # does the application run add_test(NAME Runs COMMAND Tutorial 25) # does the usage message work? add_test(NAME Usage COMMAND Tutorial) set_tests_properties(Usage PROPERTIES PASS_REGULAR_EXPRESSION "Usage:.*number" ) # define a function to simplify adding tests function(do_test target arg result) add_test(NAME Comp${arg} COMMAND ${target} ${arg}) set_tests_properties(Comp${arg} PROPERTIES PASS_REGULAR_EXPRESSION ${result} ) endfunction() # do a bunch of result based tests do_test(Tutorial 4 "4 is 2") do_test(Tutorial 9 "9 is 3") do_test(Tutorial 5 "5 is 2.236") do_test(Tutorial 7 "7 is 2.645") do_test(Tutorial 25 "25 is 5") do_test(Tutorial -25 "-25 is (-nan|nan|0)") do_test(Tutorial 0.0001 "0.0001 is 0.01")