83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
// 2001-12-28 Phil Edwards <pme@gcc.gnu.org>
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//
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// Copyright (C) 2001-2020 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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// Concept checking must remain sane.
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// { dg-options "-D_GLIBCXX_CONCEPT_CHECKS" }
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#include <vector>
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#include <string>
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#include <algorithm>
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#include <testsuite_hooks.h>
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using namespace std;
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// PR libstdc++/2054 and follow-up discussion
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struct indirectCompare
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{
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indirectCompare(const vector<string>& v) : V(v) {}
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bool operator()( int x, int y) const
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{
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return V[x] < V[y];
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}
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bool operator()( int x, const string& a) const
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{
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return V[x] < a;
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}
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bool operator()( const string& a, int x) const
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{
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return V[x] < a;
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}
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const vector<string>& V;
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};
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void
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test2054( )
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{
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const int Maxi = 1022;
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vector<string> Words(Maxi);
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vector<int> Index(Maxi);
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for(size_t i = 0; i < Index.size(); i++)
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Index[i] = i;
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indirectCompare aComparison(Words);
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sort(Index.begin(), Index.end(), aComparison);
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string SearchTerm;
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lower_bound(Index.begin(), Index.end(), SearchTerm, aComparison);
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upper_bound(Index.begin(), Index.end(), SearchTerm, aComparison);
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equal_range(Index.begin(), Index.end(), SearchTerm, aComparison);
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binary_search(Index.begin(), Index.end(), SearchTerm, aComparison);
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}
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int main()
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{
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test2054();
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return 0;
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}
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