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// <functional>
10
11// template <class T>
12// struct hash
13// {
14// size_t operator()(T val) const;
15// };
16
17// Not very portable
18
19#include <vector>
20#include <cassert>
21#include <iterator>
22#include <type_traits>
23
24#include "test_macros.h"
25#include "min_allocator.h"
26
27TEST_CONSTEXPR_CXX20 bool tests()
28{
29 {
30 typedef std::vector<bool> T;
31 typedef std::hash<T> H;
32#if TEST_STD_VER <= 14
33 static_assert((std::is_same<H::argument_type, T>::value), "" );
34 static_assert((std::is_same<H::result_type, std::size_t>::value), "" );
35#endif
36 ASSERT_NOEXCEPT(H()(T()));
37
38 bool ba[] = {true, false, true, true, false};
39 T vb(std::begin(arr&: ba), std::end(arr&: ba));
40 H h;
41 assert(h(vb) != 0);
42 }
43#if TEST_STD_VER >= 11
44 {
45 typedef std::vector<bool, min_allocator<bool>> T;
46 typedef std::hash<T> H;
47#if TEST_STD_VER <= 14
48 static_assert((std::is_same<H::argument_type, T>::value), "" );
49 static_assert((std::is_same<H::result_type, std::size_t>::value), "" );
50#endif
51 ASSERT_NOEXCEPT(H()(T()));
52 bool ba[] = {true, false, true, true, false};
53 T vb(std::begin(ba), std::end(ba));
54 H h;
55 assert(h(vb) != 0);
56 }
57#endif
58
59 return true;
60}
61
62int main(int, char**)
63{
64 tests();
65#if TEST_STD_VER > 17
66 static_assert(tests());
67#endif
68 return 0;
69}
70

source code of libcxx/test/std/containers/sequences/vector.bool/vector_bool.pass.cpp