2588652e17
PR libstdc++/61023 * include/bits/stl_tree.h (_Rb_tree::_M_move_assign): Copy the comparison function. * testsuite/23_containers/set/cons/61023.cc: New. From-SVN: r210159
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
// { dg-options "-std=gnu++11" }
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// Copyright (C) 2014 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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// 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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// 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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#include <set>
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#include <stdexcept>
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struct Comparator
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{
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Comparator() : valid(false) { }
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explicit Comparator(bool) : valid(true) { }
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bool operator()(int i, int j) const
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{
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if (!valid)
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throw std::logic_error("Comparator is invalid");
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return i < j;
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}
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private:
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bool valid;
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};
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int main()
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{
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using test_type = std::set<int, Comparator>;
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Comparator cmp{true};
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test_type good{cmp};
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test_type s1;
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s1 = good; // copy-assign
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s1.insert(1);
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s1.insert(2);
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test_type s2;
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s2 = std::move(good); // move-assign
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s2.insert(1);
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s2.insert(2);
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}
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