51 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <vector>10// vector<bool>11 12// std::find with vector<bool>::iterator13 14// https://llvm.org/PR1681615 16#include <vector>17#include <algorithm>18#include <cassert>19#include <cstddef>20 21#include "test_macros.h"22 23TEST_CONSTEXPR_CXX20 bool tests() {24 {25 for (unsigned i = 1; i < 256; ++i) {26 std::vector<bool> b(i, true);27 std::vector<bool>::iterator j = std::find(b.begin() + 1, b.end(), false);28 assert(static_cast<std::size_t>(j - b.begin()) == i);29 assert(b.end() == j);30 }31 }32 {33 for (unsigned i = 1; i < 256; ++i) {34 std::vector<bool> b(i, false);35 std::vector<bool>::iterator j = std::find(b.begin() + 1, b.end(), true);36 assert(static_cast<std::size_t>(j - b.begin()) == i);37 assert(b.end() == j);38 }39 }40 41 return true;42}43 44int main(int, char**) {45 tests();46#if TEST_STD_VER > 1747 static_assert(tests());48#endif49 return 0;50}51