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// { dg-options "-std=gnu++0x" }

// Copyright (C) 2011 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/>.

// range insert

#include <utility>

#include <tuple>

#include <vector>

#include <unordered_map>

#include <testsuite_hooks.h>

class PathPoint

{

public:

  PathPoint(char t, const std::vector<double>& c)

    : type(t), coords(c) { }

  PathPoint(char t, std::vector<double>&& c)

    : type(t), coords(std::move(c)) { }

  char getType() const { return type; }

  const std::vector<double>& getCoords() const { return coords; }

private:

  char type;

  std::vector<double> coords;

};

bool test __attribute__((unused)) = true;

void test01()

{

  typedef std::unordered_map<char, std::vector<double>> Map;

  Map m;

  std::vector<double> coord1 = { 0.0, 1.0, 2.0 };

  auto ret = m.emplace('a', coord1);

  VERIFY( ret.second );

  VERIFY( m.size() == 1 );

  VERIFY( ret.first->first == 'a' );

  coord1[0] = 3.0;

  ret = m.emplace('a', coord1);

  VERIFY( !ret.second );

  VERIFY( m.size() == 1 );

  VERIFY( ret.first->first == 'a' );

  VERIFY( ret.first->second[0] == 0.0 );

  auto it = m.emplace_hint(m.begin(), 'b', coord1);

  VERIFY( it != m.end() );

  VERIFY( it->first == 'b' );

  VERIFY( it->second[0] == 3.0 );

  double *px = &coord1[0];

  ret = m.emplace('c', std::move(coord1));

  VERIFY( ret.second );

  VERIFY( ret.first->first == 'c' );

  VERIFY( &(ret.first->second[0]) == px );

}

void test02()

{

  using namespace std;

  typedef unordered_map<char, PathPoint> Map;

  Map m;

  std::vector<double> coord1 = { 0.0, 1.0, 2.0 };

  auto ret = m.emplace(piecewise_construct,

                       make_tuple('a'), make_tuple('a', coord1));

  VERIFY( ret.second );

  VERIFY( m.size() == 1 );

  VERIFY( ret.first->first == 'a' );

  coord1[0] = 3.0;

  ret = m.emplace(piecewise_construct,

                  make_tuple('a'), make_tuple( 'b', coord1));

  VERIFY( !ret.second );

  VERIFY( m.size() == 1 );

  VERIFY( ret.first->first == 'a' );

  VERIFY( ret.first->second.getCoords()[0] == 0.0 );

  auto it = m.emplace_hint(m.begin(), piecewise_construct,

                           make_tuple('b'), make_tuple('c', coord1));

  VERIFY( it != m.end() );

  VERIFY( it->first == 'b' );

  VERIFY( it->second.getCoords()[0] == 3.0 );

  double *px = &coord1[0];

  ret = m.emplace(piecewise_construct,

                  make_tuple('c'), make_tuple('d', move(coord1)));

  VERIFY( ret.second );

  VERIFY( ret.first->first == 'c' );

  VERIFY( &(ret.first->second.getCoords()[0]) == px );

}

int main()

{

  test01();

  test02();

  return 0;

}