Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/swap.cc @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
parents | 1830386684a0 |
children |
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// Copyright (C) 2014-2020 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/>. // { dg-do run { target c++11 } } #include <unordered_set> #include <testsuite_hooks.h> void test01() { std::unordered_set<int> us1 { 0, 1 }; { std::unordered_set<int> us2(std::move(us1)); us1.swap(us2); VERIFY( us1.find(0) != us1.end() ); us1.insert(2); VERIFY( us1.size() == 3 ); us2.swap(us1); VERIFY( us2.size() == 3 ); VERIFY( us2.find(2) != us2.end() ); us1 = { 3, 4, 5 }; VERIFY( us1.size() == 3 ); VERIFY( us1.bucket_count() >= 3 ); std::unordered_set<int> us3(std::move(us1)); us3 = std::move(us2); us1.swap(us2); VERIFY( us1.empty() ); VERIFY( us2.empty() ); } us1 = { 0, 1 }; VERIFY( us1.size() == 2 ); } int main() { test01(); return 0; }