libstdc++-v3/testsuite/22_locale/codecvt/codecvt_utf8/69703.cc

   1 // Copyright (C) 2016-2020 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++11 } }
  19
  20 #include <codecvt>
  21 #include <testsuite_hooks.h>
  22
  23 void
  24 test01()
  25 {
  26   const char out[] = "abc";
  27   char16_t in[4];
  28   std::codecvt_utf8<char16_t> cvt;
  29   std::mbstate_t st;
  30   const char* no;
  31   char16_t* ni;
  32   auto res = cvt.in(st, out, out+3, no, in, in+3, ni);
  33   VERIFY( res == std::codecvt_base::ok );
  34   VERIFY( in[0] == u'a' );
  35   VERIFY( in[1] == u'b' );
  36   VERIFY( in[2] == u'c' );
  37 }
  38
  39 void
  40 test02()
  41 {
  42   const char out[] = "abc";
  43   char16_t in[4];
  44   std::codecvt_utf8<char16_t, 0x10ffff, std::little_endian> cvt;
  45   std::mbstate_t st;
  46   const char* no;
  47   char16_t* ni;
  48   auto res = cvt.in(st, out, out+3, no, in, in+3, ni);
  49   VERIFY( res == std::codecvt_base::ok );
  50   VERIFY( in[0] == u'a' );
  51   VERIFY( in[1] == u'b' );
  52   VERIFY( in[2] == u'c' );
  53 }
  54
  55 void
  56 test03()
  57 {
  58   const char out[] = "abc";
  59   char32_t in[4];
  60   std::codecvt_utf8<char32_t> cvt;
  61   std::mbstate_t st;
  62   const char* no;
  63   char32_t* ni;
  64   auto res = cvt.in(st, out, out+3, no, in, in+3, ni);
  65   VERIFY( res == std::codecvt_base::ok );
  66   VERIFY( in[0] == U'a' );
  67   VERIFY( in[1] == U'b' );
  68   VERIFY( in[2] == U'c' );
  69 }
  70
  71 void
  72 test04()
  73 {
  74   const char out[] = "abc";
  75   char32_t in[4];
  76   std::codecvt_utf8<char32_t, 0x10ffff, std::little_endian> cvt;
  77   std::mbstate_t st;
  78   const char* no;
  79   char32_t* ni;
  80   auto res = cvt.in(st, out, out+3, no, in, in+3, ni);
  81   VERIFY( res == std::codecvt_base::ok );
  82   VERIFY( in[0] == U'a' );
  83   VERIFY( in[1] == U'b' );
  84   VERIFY( in[2] == U'c' );
  85 }
  86
  87 int
  88 main()
  89 {
  90   test01();
  91   test02();
  92   test03();
  93   test04();
  94 }