libstdc++-v3/testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-cstdint "" }
   3 //
   4 // 2008-11-24  Edward M. Smith-Rowland <3dw4rd@verizon.net>
   5 //
   6 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // C++11
  24 // 26.5.8.2.1 Class template uniform_int_distribution [rand.dist.uni.int]
  25 // 26.5.1.6 random number distribution requirements [rand.req.dist]
  26
  27 #include <random>
  28 #include <limits>
  29 #include <testsuite_hooks.h>
  30 #include <testsuite_common_types.h>
  31
  32 void
  33 test01()
  34 {
  35   std::uniform_int_distribution<int> u;
  36   VERIFY( u.a() == 0 );
  37   VERIFY( u.b() == std::numeric_limits<int>::max() );
  38   VERIFY( u.min() == 0 );
  39   VERIFY( u.max() == std::numeric_limits<int>::max() );
  40 }
  41
  42 void
  43 test02()
  44 {
  45   __gnu_test::implicitly_default_constructible test;
  46   test.operator()<std::uniform_int_distribution<>>();
  47 }
  48
  49 int
  50 main()
  51 {
  52   test01();
  53   test02();
  54 }