libstdc++-v3/testsuite/20_util/uses_allocator/value.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2010-09-27  Paolo Carlini  <paolo.carlini@oracle.com>
   4
   5 // Copyright (C) 2010-2024 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 #include <memory>
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_tr1.h>
  25
  26 struct MyAlloc { };
  27
  28 struct MyDerivedAlloc
  29 : public MyAlloc { };
  30
  31 struct UA { };
  32
  33 struct UB { typedef int             allocator_type; };
  34
  35 struct UC { typedef MyAlloc         allocator_type; };
  36
  37 struct UD { typedef MyDerivedAlloc  allocator_type; };
  38
  39 void test01()
  40 {
  41   using std::uses_allocator;
  42   using namespace __gnu_test;
  43
  44   // Positive tests.
  45   VERIFY( (test_relationship<uses_allocator, UC, MyAlloc>(true)) );
  46   VERIFY( (test_relationship<uses_allocator, UC, MyDerivedAlloc>(true)));
  47
  48   // Negative tests.
  49   VERIFY( (test_relationship<uses_allocator, UA, MyAlloc>(false)) );
  50   VERIFY( (test_relationship<uses_allocator, UB, MyAlloc>(false)) );
  51   VERIFY( (test_relationship<uses_allocator, UD, MyAlloc>(false)) );
  52 }
  53
  54 int main()
  55 {
  56   test01();
  57   return 0;
  58 }