Improving CONFIG test (#235)

Signed-off-by: Harsh Mahesheka <[email protected]>

examples/use_config_ifp/CMakeLists.txt

@@ -5,8 +5,18 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/")
 set(ignition-find_config_DIR "${CMAKE_SOURCE_DIR}/")
 #ign_find_package(ignition-find_config) will search for Findignition-find_config.cmake before ignition-find_configConfig.cmake 
 ign_find_package(ignition-find_config)
+if(CONFIG_TEST MATCHES "The package was found using MODULE mode")
+  message(STATUS "The package was found using MODULE mode")
+else()  
+  message(SEND_ERROR "Couldn't find correct package in MODULE mode.\nign_find_package CONFIG test failed")
+endif()
 #After CONFIG arguemnt ign_find_package will skip MODULE mode and search for ignition-find_configConfig.cmake directly
 ign_find_package(ignition-find_config CONFIG)
+if(CONFIG_TEST MATCHES "The package was found using CONFIG mode")
+  message(STATUS "The package was found using CONFIG mode")
+else()
+  message(SEND_ERROR "Couldn't find correct package in CONFIG mode.\nign_find_package CONFIG test failed")
+endif()
 ign_configure_project()
 ign_configure_build(QUIT_IF_BUILD_ERRORS)
 ign_create_packages()

examples/use_config_ifp/Findignition-find_config.cmake

@@ -1 +1 @@
-message(STATUS "The package was found using MODULE mode")
+set(CONFIG_TEST "The package was found using MODULE mode")

examples/use_config_ifp/ignition-find_configConfig.cmake

@@ -1 +1 @@
-message(STATUS "The package was found using CONFIG mode")
+set(CONFIG_TEST "The package was found using CONFIG mode")