| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // vector<bool> |
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| 10 | |
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| 11 | // vector(); |
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| 12 | // vector(const Alloc&); |
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| 13 | |
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| 14 | // This tests a conforming extension |
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| 15 | // For vector<>, this was added to the standard by N4258, |
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| 16 | // but vector<bool> was not changed. |
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| 17 | |
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| 18 | |
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| 19 | #include <vector> |
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| 20 | #include <cassert> |
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| 21 | |
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| 22 | #include "test_macros.h" |
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| 23 | #include "test_allocator.h" |
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| 24 | #include "min_allocator.h" |
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| 25 | |
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| 26 | template <class C> |
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| 27 | TEST_CONSTEXPR_CXX20 void test0() |
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| 28 | { |
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| 29 | #if TEST_STD_VER > 14 |
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| 30 | LIBCPP_STATIC_ASSERT((noexcept(C{})), "" ); |
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| 31 | #elif TEST_STD_VER >= 11 |
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| 32 | LIBCPP_STATIC_ASSERT((noexcept(C()) == noexcept(typename C::allocator_type())), "" ); |
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| 33 | #endif |
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| 34 | C c; |
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| 35 | LIBCPP_ASSERT(c.__invariants()); |
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| 36 | assert(c.empty()); |
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| 37 | assert(c.get_allocator() == typename C::allocator_type()); |
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| 38 | #if TEST_STD_VER >= 11 |
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| 39 | C c1 = {}; |
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| 40 | LIBCPP_ASSERT(c1.__invariants()); |
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| 41 | assert(c1.empty()); |
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| 42 | assert(c1.get_allocator() == typename C::allocator_type()); |
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| 43 | #endif |
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| 44 | } |
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| 45 | |
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| 46 | template <class C> |
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| 47 | TEST_CONSTEXPR_CXX20 void test1(const typename C::allocator_type& a) |
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| 48 | { |
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| 49 | #if TEST_STD_VER > 14 |
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| 50 | LIBCPP_STATIC_ASSERT((noexcept(C{typename C::allocator_type{}})), "" ); |
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| 51 | #elif TEST_STD_VER >= 11 |
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| 52 | LIBCPP_STATIC_ASSERT((noexcept(C(typename C::allocator_type())) == std::is_nothrow_copy_constructible<typename C::allocator_type>::value), "" ); |
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| 53 | #endif |
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| 54 | C c(a); |
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| 55 | LIBCPP_ASSERT(c.__invariants()); |
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| 56 | assert(c.empty()); |
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| 57 | assert(c.get_allocator() == a); |
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| 58 | } |
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| 59 | |
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| 60 | TEST_CONSTEXPR_CXX20 bool tests() |
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| 61 | { |
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| 62 | { |
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| 63 | test0<std::vector<bool> >(); |
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| 64 | test1<std::vector<bool, test_allocator<bool> > >(test_allocator<bool>(3)); |
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| 65 | } |
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| 66 | #if TEST_STD_VER >= 11 |
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| 67 | { |
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| 68 | test0<std::vector<bool, min_allocator<bool>> >(); |
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| 69 | test1<std::vector<bool, min_allocator<bool> > >(min_allocator<bool>()); |
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| 70 | } |
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| 71 | { |
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| 72 | test0<std::vector<bool, explicit_allocator<bool>> >(); |
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| 73 | test1<std::vector<bool, explicit_allocator<bool> > >(explicit_allocator<bool>()); |
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| 74 | } |
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| 75 | #endif |
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| 76 | |
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| 77 | return true; |
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| 78 | } |
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| 79 | |
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| 80 | int main(int, char**) |
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| 81 | { |
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| 82 | tests(); |
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| 83 | #if TEST_STD_VER > 17 |
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| 84 | static_assert(tests()); |
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| 85 | #endif |
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| 86 | return 0; |
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| 87 | } |
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| 88 | |
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