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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [23_containers/] [unordered_multimap/] [modifiers/] [emplace.cc] - Blame information for rev 742

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Line No. Rev Author Line
1 742 jeremybenn
// { dg-options "-std=gnu++0x" }
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// Copyright (C) 2011 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library.  This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3.  If not see
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// <http://www.gnu.org/licenses/>.
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// range insert
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#include <tuple>
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#include <vector>
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#include <unordered_map>
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#include <testsuite_hooks.h>
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class PathPoint
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{
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public:
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  PathPoint(char t, const std::vector<double>& c)
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  : type(t), coords(c) { }
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  PathPoint(char t, std::vector<double>&& c)
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  : type(t), coords(std::move(c)) { }
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  char getType() const { return type; }
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  const std::vector<double>& getCoords() const { return coords; }
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private:
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  char type;
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  std::vector<double> coords;
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};
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bool test __attribute__((unused)) = true;
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void test01()
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{
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  typedef std::unordered_multimap<char, std::vector<double>> MMap;
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  MMap mm;
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  std::vector<double> coord1 = { 0.0, 1.0, 2.0 };
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  auto it = mm.emplace('a', coord1);
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  VERIFY( mm.size() == 1 );
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  VERIFY( it->first == 'a' );
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  coord1[0] = 3.0;
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  it = mm.emplace('a', coord1);
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  VERIFY( mm.size() == 2 );
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  VERIFY( it->first == 'a' );
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  VERIFY( it->second[0] == 3.0 );
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  it = mm.emplace_hint(mm.begin(), 'b', coord1);
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  VERIFY( it != mm.end() );
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  VERIFY( it->first == 'b' );
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  VERIFY( it->second[0] == 3.0 );
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  double *px = &coord1[0];
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  it = mm.emplace('c', std::move(coord1));
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  VERIFY( it->first == 'c' );
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  VERIFY( &(it->second[0]) == px );
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}
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void test02()
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{
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  using namespace std;
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  typedef unordered_multimap<char, PathPoint> Map;
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  Map m;
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  std::vector<double> coord1 = { 0.0, 1.0, 2.0 };
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  auto it = m.emplace(piecewise_construct,
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                       make_tuple('a'), make_tuple('a', coord1));
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  VERIFY( m.size() == 1 );
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  VERIFY( it->first == 'a' );
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  coord1[0] = 3.0;
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  it = m.emplace(piecewise_construct,
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                  make_tuple('a'), make_tuple( 'b', coord1));
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  VERIFY( m.size() == 2 );
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  VERIFY( it->first == 'a' );
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  VERIFY( it->second.getCoords()[0] == 3.0 );
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  it = m.emplace_hint(m.begin(), piecewise_construct,
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                      make_tuple('b'), make_tuple('c', coord1));
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  VERIFY( it != m.end() );
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  VERIFY( it->first == 'b' );
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  VERIFY( it->second.getCoords()[0] == 3.0 );
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  double *px = &coord1[0];
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  it = m.emplace(piecewise_construct,
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                  make_tuple('c'), make_tuple('d', move(coord1)));
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  VERIFY( it->first == 'c' );
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  VERIFY( &(it->second.getCoords()[0]) == px );
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}
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int main()
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{
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  test01();
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  test02();
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  return 0;
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}

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