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// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
10
11#include <sstream>
12#include <vector>
13
14#include "../from_range_sequence_containers.h"
15#include "test_macros.h"
16
17// template<container-compatible-range<T> R>
18// vector(from_range_t, R&& rg, const Allocator& = Allocator()); // C++23
19
20constexpr bool test() {
21 for_all_iterators_and_allocators<bool>([]<class Iter, class Sent, class Alloc>() {
22 test_vector_bool<Iter, Sent, Alloc>([]([[maybe_unused]] const auto& c) {
23 LIBCPP_ASSERT(c.__invariants());
24 // `is_contiguous_container_asan_correct` doesn't work on `vector<bool>`.
25 });
26 });
27
28 { // Ensure input-only sized ranges are accepted.
29 using input_iter = cpp20_input_iterator<const bool*>;
30 const bool in[]{true, true, false, true};
31 std::vector v(std::from_range, std::views::counted(input_iter{std::ranges::begin(in)}, std::ranges::ssize(in)));
32 assert(std::ranges::equal(v, std::vector<bool>{true, true, false, true}));
33 }
34
35 return true;
36}
37
38#ifndef TEST_HAS_NO_LOCALIZATION
39void test_counted_istream_view() {
40 std::istringstream is{"1 1 0 1"};
41 auto vals = std::views::istream<bool>(is);
42 std::vector v(std::from_range, std::views::counted(vals.begin(), 3));
43 assert(v == (std::vector{true, true, false}));
44}
45#endif
46
47int main(int, char**) {
48 test();
49 static_assert(test());
50
51 static_assert(test_constraints<std::vector, bool, char>());
52
53 // Note: test_exception_safety_throwing_copy doesn't apply because copying a boolean cannot throw.
54 test_exception_safety_throwing_allocator<std::vector, bool>();
55
56#ifndef TEST_HAS_NO_LOCALIZATION
57 test_counted_istream_view();
58#endif
59
60 return 0;
61}
62

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