libstdc++-v3/testsuite/20_util/shared_ptr/creation/version.cc

   1 // { dg-options "-std=gnu++20" }
   2 // { dg-do preprocess { target c++20 } }
   3 // { dg-require-effective-target hosted }
   4
   5 // C++20 20.11.3.7 shared_ptr Creation [util.smartptr.shared.create]
   6
   7 #include <version>
   8
   9 #ifndef __cpp_lib_shared_ptr_arrays
  10 # error "Feature-test macro for make_shared arrays missing in <version>"
  11 #elif __cpp_lib_shared_ptr_arrays < 201707L
  12 # error "Feature-test macro for make_shared arrays has wrong value in <version>"
  13 #endif
  14
  15 #ifndef __cpp_lib_smart_ptr_for_overwrite
  16 # error "Feature-test macro for make_shared_for_overwrite missing in <version>"
  17 #elif __cpp_lib_smart_ptr_for_overwrite < 202002L
  18 # error "Feature-test macro for make_shared_for_overwrite has wrong value in <version>"
  19 #endif