85 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<bool>10 11// vector();12// vector(const Alloc&);13 14// This tests a conforming extension15// For vector<>, this was added to the standard by N4258,16// but vector<bool> was not changed.17 18#include <vector>19#include <cassert>20 21#include "test_macros.h"22#include "test_allocator.h"23#include "min_allocator.h"24 25template <class C>26TEST_CONSTEXPR_CXX20 void test0() {27#if TEST_STD_VER > 1428 LIBCPP_STATIC_ASSERT((noexcept(C{})), "");29#elif TEST_STD_VER >= 1130 LIBCPP_STATIC_ASSERT((noexcept(C()) == noexcept(typename C::allocator_type())), "");31#endif32 C c;33 LIBCPP_ASSERT(c.__invariants());34 assert(c.empty());35 assert(c.get_allocator() == typename C::allocator_type());36#if TEST_STD_VER >= 1137 C c1 = {};38 LIBCPP_ASSERT(c1.__invariants());39 assert(c1.empty());40 assert(c1.get_allocator() == typename C::allocator_type());41#endif42}43 44template <class C>45TEST_CONSTEXPR_CXX20 void test1(const typename C::allocator_type& a) {46#if TEST_STD_VER > 1447 LIBCPP_STATIC_ASSERT((noexcept(C{typename C::allocator_type{}})), "");48#elif TEST_STD_VER >= 1149 LIBCPP_STATIC_ASSERT((noexcept(C(typename C::allocator_type())) ==50 std::is_nothrow_copy_constructible<typename C::allocator_type>::value),51 "");52#endif53 C c(a);54 LIBCPP_ASSERT(c.__invariants());55 assert(c.empty());56 assert(c.get_allocator() == a);57}58 59TEST_CONSTEXPR_CXX20 bool tests() {60 {61 test0<std::vector<bool> >();62 test1<std::vector<bool, test_allocator<bool> > >(test_allocator<bool>(3));63 }64#if TEST_STD_VER >= 1165 {66 test0<std::vector<bool, min_allocator<bool>> >();67 test1<std::vector<bool, min_allocator<bool> > >(min_allocator<bool>());68 }69 {70 test0<std::vector<bool, explicit_allocator<bool>> >();71 test1<std::vector<bool, explicit_allocator<bool> > >(explicit_allocator<bool>());72 }73#endif74 75 return true;76}77 78int main(int, char**) {79 tests();80#if TEST_STD_VER > 1781 static_assert(tests());82#endif83 return 0;84}85