libstdc++-v3/testsuite/27_io/spanstream/version.cc

   1 // { dg-options "-std=gnu++23" }
   2 // { dg-do compile { target c++23 } }
   3 // { dg-require-effective-target hosted }
   4
   5 #include <version>
   6
   7 #ifndef __cpp_lib_spanstream
   8 # error "Feature-test macro for spanstream missing in <version>"
   9 #elif __cpp_lib_spanstream != 202106L
  10 # error "Feature-test macro for spanstream has wrong value in <version>"
  11 #endif