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// <set>
10
11// class set
12
13// bool empty() const;
14
15#include <set>
16#include <cassert>
17
18#include "test_macros.h"
19#include "min_allocator.h"
20
21int main(int, char**)
22{
23 {
24 typedef std::set<int> M;
25 M m;
26 assert(m.empty());
27 m.insert(x: M::value_type(1));
28 assert(!m.empty());
29 m.clear();
30 assert(m.empty());
31 }
32#if TEST_STD_VER >= 11
33 {
34 typedef std::set<int, std::less<int>, min_allocator<int>> M;
35 M m;
36 assert(m.empty());
37 m.insert(M::value_type(1));
38 assert(!m.empty());
39 m.clear();
40 assert(m.empty());
41 }
42#endif
43
44 return 0;
45}
46

source code of libcxx/test/std/containers/associative/set/empty.pass.cpp