xref: /llvm-project/libcxx/test/std/containers/sequences/forwardlist/forwardlist.spec/relational.pass.cpp (revision 1ee41b415398cde51c055a7b1a4d419350e7038f)
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 // <forward_list>
10 
11 // template <class T, class Allocator>
12 //     bool operator< (const forward_list<T, Allocator>& x,
13 //                     const forward_list<T, Allocator>& y);
14 //
15 // template <class T, class Allocator>
16 //     bool operator> (const forward_list<T, Allocator>& x,
17 //                     const forward_list<T, Allocator>& y);
18 //
19 // template <class T, class Allocator>
20 //     bool operator>=(const forward_list<T, Allocator>& x,
21 //                     const forward_list<T, Allocator>& y);
22 //
23 // template <class T, class Allocator>
24 //     bool operator<=(const forward_list<T, Allocator>& x,
25 //                     const forward_list<T, Allocator>& y);
26 
27 #include <forward_list>
28 #include <iterator>
29 #include <algorithm>
30 #include <cassert>
31 
32 #include "test_macros.h"
33 #include "min_allocator.h"
34 
35 template <class C>
test(int N,int M)36 void test(int N, int M)
37 {
38     C c1;
39     for (int i = 0; i < N; ++i)
40         c1.push_front(i);
41     C c2;
42     for (int i = 0; i < M; ++i)
43         c2.push_front(i);
44     if (N < M)
45         assert(c1 < c2);
46     if (N <= M)
47         assert(c1 <= c2);
48     if (N >= M)
49         assert(c1 >= c2);
50     if (N > M)
51         assert(c1 > c2);
52 }
53 
main(int,char **)54 int main(int, char**)
55 {
56     for (int i = 0; i < 10; ++i)
57         for (int j = 0; j < 10; ++j)
58             test<std::forward_list<int> >(i, j);
59 #if TEST_STD_VER >= 11
60     for (int i = 0; i < 10; ++i)
61         for (int j = 0; j < 10; ++j)
62             test<std::forward_list<int, min_allocator<int>> >(i, j);
63 #endif
64 
65   return 0;
66 }
67