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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [23_containers/] [unordered_multimap/] [modifiers/] [emplace.cc] - Rev 742
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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 <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_multimap<char, std::vector<double>> MMap; MMap mm; std::vector<double> coord1 = { 0.0, 1.0, 2.0 }; auto it = mm.emplace('a', coord1); VERIFY( mm.size() == 1 ); VERIFY( it->first == 'a' ); coord1[0] = 3.0; it = mm.emplace('a', coord1); VERIFY( mm.size() == 2 ); VERIFY( it->first == 'a' ); VERIFY( it->second[0] == 3.0 ); it = mm.emplace_hint(mm.begin(), 'b', coord1); VERIFY( it != mm.end() ); VERIFY( it->first == 'b' ); VERIFY( it->second[0] == 3.0 ); double *px = &coord1[0]; it = mm.emplace('c', std::move(coord1)); VERIFY( it->first == 'c' ); VERIFY( &(it->second[0]) == px ); } void test02() { using namespace std; typedef unordered_multimap<char, PathPoint> Map; Map m; std::vector<double> coord1 = { 0.0, 1.0, 2.0 }; auto it = m.emplace(piecewise_construct, make_tuple('a'), make_tuple('a', coord1)); VERIFY( m.size() == 1 ); VERIFY( it->first == 'a' ); coord1[0] = 3.0; it = m.emplace(piecewise_construct, make_tuple('a'), make_tuple( 'b', coord1)); VERIFY( m.size() == 2 ); VERIFY( it->first == 'a' ); VERIFY( it->second.getCoords()[0] == 3.0 ); 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]; it = m.emplace(piecewise_construct, make_tuple('c'), make_tuple('d', move(coord1))); VERIFY( it->first == 'c' ); VERIFY( &(it->second.getCoords()[0]) == px ); } int main() { test01(); test02(); return 0; }