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// Make sure that `_LIBCPP_ASSERT` and `_LIBCPP_ASSUME` are each a single expression.
10// This is useful so we can use them in places that require an expression, such as
11// in a constructor initializer list.
12
13#include <__assert>
14#include <cassert>
15
16void f() {
17 int i = (_LIBCPP_ASSERT(true, "message"), 3);
18 assert(i == 3);
19 return _LIBCPP_ASSERT(true, "message");
20}
21
22void g() {
23 int i = (_LIBCPP_ASSUME(true), 3);
24 assert(i == 3);
25 return _LIBCPP_ASSUME(true);
26}
27
28int main(int, char**) {
29 f();
30 g();
31 return 0;
32}
33

source code of libcxx/test/libcxx/assertions/single_expression.pass.cpp