libstdc++-v3/testsuite/20_util/shared_ptr/comparison/cmp_c++20.cc

   1 // Copyright (C) 2020-2023 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-options "-std=gnu++2a" }
  19 // { dg-do run { target c++2a } }
  20 // { dg-require-effective-target hosted }
  21
  22 #include <memory>
  23 #include <testsuite_hooks.h>
  24
  25 void
  26 test01()
  27 {
  28   std::shared_ptr<int> p0, p00;
  29   VERIFY( p0 == p00 );
  30   VERIFY( !(p0 < p00) );
  31   VERIFY( !(p0 > p00) );
  32   VERIFY( p0 <= p00 );
  33   VERIFY( p0 >= p00 );
  34   VERIFY( std::is_eq(p0 <=> p00) );
  35
  36   std::shared_ptr<int> p1(new int(1));
  37   VERIFY( p1 == p1 );
  38   VERIFY( !(p1 < p1) );
  39   VERIFY( !(p1 > p1) );
  40   VERIFY( p1 <= p1 );
  41   VERIFY( p1 >= p1 );
  42   VERIFY( std::is_eq(p1 <=> p1) );
  43
  44   std::shared_ptr<int> p11 = p1;
  45   VERIFY( p11 == p1 );
  46   VERIFY( !(p11 < p1) );
  47   VERIFY( !(p11 > p1) );
  48   VERIFY( p11 <= p1 );
  49   VERIFY( p11 >= p1 );
  50   VERIFY( std::is_eq(p11 <=> p1) );
  51
  52   std::shared_ptr<const int> p2(new int(1));
  53   VERIFY( p1 >= p1 );
  54   VERIFY( p1 != p2 );
  55   VERIFY( (p1 < p2) || (p1 > p2) );
  56   VERIFY( (p1 <= p2) || (p1 >= p2) );
  57   VERIFY( std::is_neq(p1 <=> p2) );
  58
  59   VERIFY( p1 != p0 );
  60   VERIFY( !(p1 < p0) );
  61   VERIFY( p1 > p0 );
  62   VERIFY( !(p1 <= p0) );
  63   VERIFY( p1 >= p0 );
  64   VERIFY( std::is_gt(p1 <=> p0) );
  65   VERIFY( std::is_lt(p0 <=> p1) );
  66 }
  67
  68 void
  69 test02()
  70 {
  71   std::shared_ptr<int> p0;
  72   VERIFY( p0 == nullptr );
  73   VERIFY( !(p0 < nullptr) );
  74   VERIFY( !(p0 > nullptr) );
  75   VERIFY( p0 <= nullptr );
  76   VERIFY( p0 >= nullptr );
  77   VERIFY( std::is_eq(p0 <=> nullptr) );
  78
  79   VERIFY( nullptr == p0 );
  80   VERIFY( !(nullptr < p0) );
  81   VERIFY( !(nullptr > p0) );
  82   VERIFY( nullptr <= p0 );
  83   VERIFY( nullptr >= p0 );
  84   VERIFY( std::is_eq(nullptr <=> p0) );
  85
  86   std::shared_ptr<int> p1(new int(1));
  87   VERIFY( p1 != nullptr );
  88   VERIFY( !(p1 < nullptr) );
  89   VERIFY( p1 > nullptr );
  90   VERIFY( !(p1 <= nullptr) );
  91   VERIFY( p1 >= nullptr );
  92   VERIFY( std::is_gt(p1 <=> nullptr) );
  93
  94   VERIFY( nullptr != p1 );
  95   VERIFY( nullptr < p1 );
  96   VERIFY( !(nullptr > p1) );
  97   VERIFY( nullptr <= p1 );
  98   VERIFY( !(nullptr >= p1) );
  99   VERIFY( std::is_lt(nullptr <=> p1) );
 100 }
 101
 102 int
 103 main()
 104 {
 105   test01();
 106   test02();
 107 }