libstdc++-v3/testsuite/28_regex/match_results/ctors/char/default.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2009-06-10  Stephen M. Webb  <stephen.webb@bregmasoft.com>
   4 //
   5 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // C++0X [28.10.1] class template match_results constructor
  23
  24 #include <regex>
  25 #include <testsuite_hooks.h>
  26 #include <testsuite_common_types.h>
  27
  28 // Tests default constructor of the match_result class.
  29 void test01()
  30 {
  31   std::cmatch cm;
  32   VERIFY( cm.size() == 0 );
  33   VERIFY( !cm.ready() );
  34   VERIFY( cm.empty() );
  35   VERIFY( cm.begin() == cm.end() ); // PR libstdc++/83600
  36 }
  37
  38 void test02()
  39 {
  40   std::smatch sm;
  41   VERIFY( sm.size() == 0 );
  42   VERIFY( !sm.ready() );
  43   VERIFY( sm.empty() );
  44   VERIFY( sm.begin() == sm.end() ); // PR libstdc++/83600
  45 }
  46
  47 void test03()
  48 {
  49   // P0935R0
  50   __gnu_test::implicitly_default_constructible test;
  51   test.operator()<std::cmatch>();
  52   test.operator()<std::smatch>();
  53 }
  54
  55 int
  56 main()
  57 {
  58   test01();
  59   test02();
  60   test03();
  61 }