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// Copyright (C) 2012-2015 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/>.
// 23.5.4 template class unordered_map
// This test verifies that the value type of a unordered_map need not be
// default copyable.
// { dg-options "-std=gnu++11" }
#include <unordered_map>
#include <testsuite_hooks.h>
#include <testsuite_rvalref.h>
#include <testsuite_counter_type.h>
struct Mapped
{
Mapped() = default;
explicit Mapped(const Mapped&) = default;
};
struct DefaultConstructibleType
{
int val;
DefaultConstructibleType() : val(123)
{}
DefaultConstructibleType(const DefaultConstructibleType&) = delete;
DefaultConstructibleType(DefaultConstructibleType&&) = delete;
DefaultConstructibleType& operator=(int x)
{
val = x;
return *this;
}
};
void test01()
{
bool test __attribute__((unused)) = true;
using __gnu_test::rvalstruct;
using __gnu_test::counter_type;
std::unordered_map<int, Mapped> m1;
m1[0] = Mapped();
std::unordered_map<int, rvalstruct> m2;
m2[0] = rvalstruct(13);
std::unordered_map<int, DefaultConstructibleType> m3;
VERIFY( m3[0].val == 123 );
VERIFY( m3.size() == 1 );
m3[0] = 2;
VERIFY( m3[0].val == 2 );
std::unordered_map<counter_type, int,
__gnu_test::counter_type_hasher> m4;
VERIFY( m4[counter_type(1)] == 0 );
VERIFY( counter_type::specialize_count == 1 );
VERIFY( counter_type::copy_count == 0 );
VERIFY( counter_type::move_count == 1 );
counter_type k(2);
counter_type::reset();
VERIFY( m4[k] == 0 );
VERIFY( counter_type::copy_count == 1 );
VERIFY( counter_type::move_count == 0 );
}
int main()
{
test01();
return 0;
}
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