1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <stack>
10 
11 // template <class T, class Container>
12 //   bool operator< (const stack<T, Container>& x,const stack<T, Container>& y);
13 //
14 // template <class T, class Container>
15 //   bool operator> (const stack<T, Container>& x,const stack<T, Container>& y);
16 //
17 // template <class T, class Container>
18 //   bool operator>=(const stack<T, Container>& x,const stack<T, Container>& y);
19 //
20 // template <class T, class Container>
21 //   bool operator<=(const stack<T, Container>& x,const stack<T, Container>& y);
22 
23 #include <stack>
24 #include <cassert>
25 
26 #include "test_macros.h"
27 
28 template <class C>
29 C
30 make(int n)
31 {
32     C c;
33     for (int i = 0; i < n; ++i)
34         c.push(i);
35     return c;
36 }
37 
38 int main(int, char**)
39 {
40     std::stack<int> q1 = make<std::stack<int> >(5);
41     std::stack<int> q2 = make<std::stack<int> >(10);
42     assert(q1 < q2);
43     assert(q2 > q1);
44     assert(q1 <= q2);
45     assert(q2 >= q1);
46 
47   return 0;
48 }
49