diff options
Diffstat (limited to 'gcc-4.8/libstdc++-v3/testsuite/23_containers/vector/allocator/swap.cc')
-rw-r--r-- | gcc-4.8/libstdc++-v3/testsuite/23_containers/vector/allocator/swap.cc | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gcc-4.8/libstdc++-v3/testsuite/23_containers/vector/allocator/swap.cc b/gcc-4.8/libstdc++-v3/testsuite/23_containers/vector/allocator/swap.cc new file mode 100644 index 000000000..ce44cf80f --- /dev/null +++ b/gcc-4.8/libstdc++-v3/testsuite/23_containers/vector/allocator/swap.cc @@ -0,0 +1,78 @@ +// Copyright (C) 2011-2013 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++0x" } + +#include <vector> +#include <testsuite_hooks.h> +#include <testsuite_allocator.h> + +struct T { int i; }; + +using __gnu_test::propagating_allocator; + +// It is undefined behaviour to swap() containers wth unequal allocators +// if the allocator doesn't propagate, so ensure the allocators compare +// equal, while still being able to test propagation via get_personality(). +bool +operator==(const propagating_allocator<T, false>&, + const propagating_allocator<T, false>&) +{ + return true; +} + +bool +operator!=(const propagating_allocator<T, false>&, + const propagating_allocator<T, false>&) +{ + return false; +} + +void test01() +{ + bool test __attribute__((unused)) = true; + typedef propagating_allocator<T, false> alloc_type; + typedef std::vector<T, alloc_type> test_type; + test_type v1(alloc_type(1)); + v1.push_back(T()); + test_type v2(alloc_type(2)); + v2.push_back(T()); + std::swap(v1, v2); + VERIFY(1 == v1.get_allocator().get_personality()); + VERIFY(2 == v2.get_allocator().get_personality()); + // swap back so assertions in uneq_allocator::deallocate don't fail + std::swap(v1, v2); +} + +void test02() +{ + bool test __attribute__((unused)) = true; + typedef propagating_allocator<T, true> alloc_type; + typedef std::vector<T, alloc_type> test_type; + test_type v1(alloc_type(1)); + test_type v2(alloc_type(2)); + std::swap(v1, v2); + VERIFY(2 == v1.get_allocator().get_personality()); + VERIFY(1 == v2.get_allocator().get_personality()); +} + +int main() +{ + test01(); + test02(); + return 0; +} |