tests: upgrading to Catch2.v3

Author: tdegeus

tests/cpp/CMakeLists.txt

@@ -18,7 +18,7 @@ add_library(mytarget INTERFACE IMPORTED)
 target_link_libraries(mytarget INTERFACE
     ${PROJECT_NAME}
     ${PROJECT_NAME}::compiler_warnings
-    Catch2::Catch2)
+    Catch2::Catch2WithMain)
 
 file(GLOB APP_SOURCES *.cpp)
 

tests/cpp/main.cpp

@@ -1,5 +1,4 @@
-#define CATCH_CONFIG_MAIN // tells Catch to provide a main() - only do this in one cpp file
-#include <catch2/catch.hpp>
+#include <catch2/catch_all.hpp>
 
 #include <cppcolormap.h>