cxx/test/containers/container.adaptors/queue/queue.special/swap.pass.cpp
Howard Hinnant 3991b553df sync with N3126
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113101 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-05 01:14:30 +00:00

38 lines
867 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <queue>
// template <class T, class Container>
// void swap(queue<T, Container>& x, queue<T, Container>& y);
#include <queue>
#include <cassert>
template <class C>
C
make(int n)
{
C c;
for (int i = 0; i < n; ++i)
c.push(i);
return c;
}
int main()
{
std::queue<int> q1 = make<std::queue<int> >(5);
std::queue<int> q2 = make<std::queue<int> >(10);
std::queue<int> q1_save = q1;
std::queue<int> q2_save = q2;
swap(q1, q2);
assert(q1 == q2_save);
assert(q2 == q1_save);
}