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// <vector>
10// vector<bool>
11
12// XFAIL: FROZEN-CXX03-HEADERS-FIXME
13
14// This test ensures that std::vector<bool> handles allocator types with small size types
15// properly. Related issue: https://github.com/llvm/llvm-project/issues/121713.
16
17#include <cassert>
18#include <cstddef>
19#include <cstdint>
20#include <limits>
21#include <memory>
22#include <new>
23#include <vector>
24
25#include "sized_allocator.h"
26#include "test_macros.h"
27
28TEST_CONSTEXPR_CXX20 bool tests() {
29 {
30 using Alloc = sized_allocator<bool, std::uint8_t, std::int8_t>;
31 std::vector<bool, Alloc> c(Alloc(1));
32 c.resize(10);
33 assert(c.size() == 10);
34 assert(c.capacity() >= 10);
35 }
36 {
37 using Alloc = sized_allocator<bool, std::uint8_t, std::int8_t>;
38 std::vector<bool, Alloc> c(Alloc(1));
39 c.assign(10, true);
40 assert(c.size() == 10);
41 assert(c.capacity() >= 10);
42 }
43 {
44 using Alloc = sized_allocator<bool, std::uint8_t, std::int8_t>;
45 std::vector<bool, Alloc> c(Alloc(1));
46 c.insert(c.end(), true);
47 assert(c.size() == 1);
48 assert(c.capacity() >= 1);
49 }
50 {
51 using Alloc = sized_allocator<bool, std::uint16_t, std::int16_t>;
52 std::vector<bool, Alloc> c(Alloc(1));
53 c.insert(c.end(), 10, true);
54 assert(c.size() == 10);
55 assert(c.capacity() >= 10);
56 }
57 {
58 using Alloc = sized_allocator<bool, std::uint16_t, std::int16_t>;
59 std::vector<bool, Alloc> c(Alloc(1));
60 c.push_back(true);
61 assert(c.size() == 1);
62 assert(c.capacity() >= 1);
63 }
64 {
65 using Alloc = sized_allocator<bool, std::uint16_t, std::int16_t>;
66 std::vector<bool, Alloc> c(Alloc(1));
67 c.resize(10, true);
68 assert(c.size() == 10);
69 assert(c.capacity() >= 10);
70 }
71 {
72 using Alloc = sized_allocator<bool, std::uint32_t, std::int32_t>;
73 std::vector<bool, Alloc> c(Alloc(1));
74 c.resize(10);
75 assert(c.size() == 10);
76 assert(c.capacity() >= 10);
77 }
78 {
79 using Alloc = sized_allocator<bool, std::uint64_t, std::int64_t>;
80 std::vector<bool, Alloc> c(Alloc(1));
81 c.resize(10);
82 assert(c.size() == 10);
83 assert(c.capacity() >= 10);
84 }
85 {
86 using Alloc = sized_allocator<bool, std::size_t, std::ptrdiff_t>;
87 std::vector<bool, Alloc> c(Alloc(1));
88 c.resize(10);
89 assert(c.size() == 10);
90 assert(c.capacity() >= 10);
91 }
92
93 return true;
94}
95
96int main(int, char**) {
97 tests();
98#if TEST_STD_VER >= 20
99 static_assert(tests());
100#endif
101 return 0;
102}
103

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