libstdc++-v3/testsuite/std/time/month_weekday_last/io.cc

   1 // { dg-options "-std=gnu++20" }
   2 // { dg-do run { target c++20 } }
   3 // { dg-require-namedlocale "fr_FR.ISO8859-15" }
   4
   5 #include <chrono>
   6 #include <sstream>
   7 #include <testsuite_hooks.h>
   8
   9 void
  10 test_ostream()
  11 {
  12   using std::ostringstream;
  13   using namespace std::chrono;
  14
  15   ostringstream ss;
  16   ss << January/Saturday[last] << ' ' << February/Monday[last] << ' '
  17     << March/weekday(9)[last];
  18   VERIFY( ss.str() == "Jan/Sat[last] Feb/Mon[last] Mar/9 is not a valid weekday[last]" );
  19
  20   ss.str("");
  21   ss.imbue(std::locale(ISO_8859(15,fr_FR)));
  22   ss << July/Thursday[last];
  23   VERIFY( ss.str() == "juil./jeu.[last]" );
  24 }
  25
  26 int main()
  27 {
  28   test_ostream();
  29   // TODO: test_format();
  30   // TODO: test_parse();
  31 }