//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <stack>
// size_type size() const;
#include <stack>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
std::stack<int> q;
assert(q.size() == 0);
q.push(1);
assert(q.size() == 1);
return 0;
}