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// <bitset>
10
11#include <bitset>
12#include <type_traits>
13
14#include "test_macros.h"
15
16static_assert(!std::is_default_constructible<std::bitset<0>::reference>::value, "");
17static_assert(!std::is_default_constructible<std::bitset<1>::reference>::value, "");
18static_assert(!std::is_default_constructible<std::bitset<8>::reference>::value, "");
19static_assert(!std::is_default_constructible<std::bitset<12>::reference>::value, "");
20static_assert(!std::is_default_constructible<std::bitset<16>::reference>::value, "");
21static_assert(!std::is_default_constructible<std::bitset<24>::reference>::value, "");
22static_assert(!std::is_default_constructible<std::bitset<32>::reference>::value, "");
23static_assert(!std::is_default_constructible<std::bitset<48>::reference>::value, "");
24static_assert(!std::is_default_constructible<std::bitset<64>::reference>::value, "");
25static_assert(!std::is_default_constructible<std::bitset<96>::reference>::value, "");
26
27#if TEST_STD_VER >= 11
28void test_no_ambiguity_among_default_constructors(std::enable_if<false>);
29void test_no_ambiguity_among_default_constructors(std::bitset<0>::reference);
30void test_no_ambiguity_among_default_constructors(std::bitset<1>::reference);
31void test_no_ambiguity_among_default_constructors(std::bitset<8>::reference);
32void test_no_ambiguity_among_default_constructors(std::bitset<12>::reference);
33void test_no_ambiguity_among_default_constructors(std::bitset<16>::reference);
34void test_no_ambiguity_among_default_constructors(std::bitset<24>::reference);
35void test_no_ambiguity_among_default_constructors(std::bitset<32>::reference);
36void test_no_ambiguity_among_default_constructors(std::bitset<48>::reference);
37void test_no_ambiguity_among_default_constructors(std::bitset<64>::reference);
38void test_no_ambiguity_among_default_constructors(std::bitset<96>::reference);
39
40ASSERT_SAME_TYPE(decltype(test_no_ambiguity_among_default_constructors({})), void);
41#endif
42

source code of libcxx/test/std/utilities/template.bitset/bitset.members/reference.ctor_no_default.compile.pass.cpp