diff options
Diffstat (limited to 'gcc-4.9/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/swap.cc')
-rw-r--r-- | gcc-4.9/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/swap.cc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/swap.cc b/gcc-4.9/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/swap.cc new file mode 100644 index 000000000..d03fd1dc3 --- /dev/null +++ b/gcc-4.9/libstdc++-v3/testsuite/23_containers/unordered_set/modifiers/swap.cc @@ -0,0 +1,65 @@ +// Copyright (C) 2014 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-options "-std=gnu++11" } + +#include <unordered_set> +#include <testsuite_hooks.h> + +void test01() +{ + bool test __attribute__((unused)) = true; + 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; +} |