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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 23_containers / unordered_set / 48101_neg.cc

// Copyright (C) 2017-2020 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// { dg-do compile { target c++11 } }

#include <unordered_set>

void
test01()
{
  using namespace std;
  unordered_set<const int, hash<int>> c;	    // { dg-error "here" }
  unordered_set<int, equal_to<int>, hash<int>> c2;
  c2.find(2);					    // { dg-error "here" }
}

// { dg-error "non-const, non-volatile value_type" "" { target *-*-* } 0 }
// { dg-error "hash function must be invocable" "" { target *-*-* } 0 }
// { dg-error "key equality predicate must be invocable" "" { target *-*-* } 0 }
// { dg-prune-output "use of deleted function" }
// { dg-prune-output "must have the same value_type as its allocator" }
// { dg-prune-output "no match for call" }