cxx/test/containers/container.adaptors/queue/queue.defn/pop.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
829 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <queue>
// void pop();
#include <queue>
#include <cassert>
int main()
{
std::queue<int> q;
assert(q.size() == 0);
q.push(1);
q.push(2);
q.push(3);
assert(q.size() == 3);
assert(q.front() == 1);
assert(q.back() == 3);
q.pop();
assert(q.size() == 2);
assert(q.front() == 2);
assert(q.back() == 3);
q.pop();
assert(q.size() == 1);
assert(q.front() == 3);
assert(q.back() == 3);
q.pop();
assert(q.size() == 0);
}