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 typedef std::set<int> M;
24 M m;
25 assert(m.empty());
26 m.insert(x: M::value_type(1));
27 assert(!m.empty());
28 m.clear();
29 assert(m.empty());
30 }
31#if TEST_STD_VER >= 11
32 {
33 typedef std::set<int, std::less<int>, min_allocator<int>> M;
34 M m;
35 assert(m.empty());
36 m.insert(M::value_type(1));
37 assert(!m.empty());
38 m.clear();
39 assert(m.empty());
40 }
41#endif
42
43 return 0;
44}
45

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