| 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<bool> |
| 10 | |
| 11 | // vector(); |
| 12 | // vector(const Alloc&); |
| 13 | |
| 14 | // This tests a conforming extension |
| 15 | // 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 | |
| 25 | template <class C> |
| 26 | TEST_CONSTEXPR_CXX20 void test0() { |
| 27 | #if TEST_STD_VER > 14 |
| 28 | LIBCPP_STATIC_ASSERT((noexcept(C{})), "" ); |
| 29 | #elif TEST_STD_VER >= 11 |
| 30 | LIBCPP_STATIC_ASSERT((noexcept(C()) == noexcept(typename C::allocator_type())), "" ); |
| 31 | #endif |
| 32 | 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 >= 11 |
| 37 | C c1 = {}; |
| 38 | LIBCPP_ASSERT(c1.__invariants()); |
| 39 | assert(c1.empty()); |
| 40 | assert(c1.get_allocator() == typename C::allocator_type()); |
| 41 | #endif |
| 42 | } |
| 43 | |
| 44 | template <class C> |
| 45 | TEST_CONSTEXPR_CXX20 void test1(const typename C::allocator_type& a) { |
| 46 | #if TEST_STD_VER > 14 |
| 47 | LIBCPP_STATIC_ASSERT((noexcept(C{typename C::allocator_type{}})), "" ); |
| 48 | #elif TEST_STD_VER >= 11 |
| 49 | LIBCPP_STATIC_ASSERT((noexcept(C(typename C::allocator_type())) == |
| 50 | std::is_nothrow_copy_constructible<typename C::allocator_type>::value), |
| 51 | "" ); |
| 52 | #endif |
| 53 | C c(a); |
| 54 | LIBCPP_ASSERT(c.__invariants()); |
| 55 | assert(c.empty()); |
| 56 | assert(c.get_allocator() == a); |
| 57 | } |
| 58 | |
| 59 | TEST_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 >= 11 |
| 65 | { |
| 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 | #endif |
| 74 | |
| 75 | return true; |
| 76 | } |
| 77 | |
| 78 | int main(int, char**) { |
| 79 | tests(); |
| 80 | #if TEST_STD_VER > 17 |
| 81 | static_assert(tests()); |
| 82 | #endif |
| 83 | return 0; |
| 84 | } |
| 85 | |