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
19 #include <vector>
20 #include <cassert>
21
22 #include "test_macros.h"
23 #include "test_allocator.h"
24 #include "min_allocator.h"
25
26 template <class C>
test0()27 TEST_CONSTEXPR_CXX20 void test0()
28 {
29 #if TEST_STD_VER > 14
30 LIBCPP_STATIC_ASSERT((noexcept(C{})), "" );
31 #elif TEST_STD_VER >= 11
32 LIBCPP_STATIC_ASSERT((noexcept(C()) == noexcept(typename C::allocator_type())), "" );
33 #endif
34 C c;
35 LIBCPP_ASSERT(c.__invariants());
36 assert(c.empty());
37 assert(c.get_allocator() == typename C::allocator_type());
38 #if TEST_STD_VER >= 11
39 C c1 = {};
40 LIBCPP_ASSERT(c1.__invariants());
41 assert(c1.empty());
42 assert(c1.get_allocator() == typename C::allocator_type());
43 #endif
44 }
45
46 template <class C>
test1(const typename C::allocator_type & a)47 TEST_CONSTEXPR_CXX20 void test1(const typename C::allocator_type& a)
48 {
49 #if TEST_STD_VER > 14
50 LIBCPP_STATIC_ASSERT((noexcept(C{typename C::allocator_type{}})), "" );
51 #elif TEST_STD_VER >= 11
52 LIBCPP_STATIC_ASSERT((noexcept(C(typename C::allocator_type())) == std::is_nothrow_copy_constructible<typename C::allocator_type>::value), "" );
53 #endif
54 C c(a);
55 LIBCPP_ASSERT(c.__invariants());
56 assert(c.empty());
57 assert(c.get_allocator() == a);
58 }
59
tests()60 TEST_CONSTEXPR_CXX20 bool tests()
61 {
62 {
63 test0<std::vector<bool> >();
64 test1<std::vector<bool, test_allocator<bool> > >(test_allocator<bool>(3));
65 }
66 #if TEST_STD_VER >= 11
67 {
68 test0<std::vector<bool, min_allocator<bool>> >();
69 test1<std::vector<bool, min_allocator<bool> > >(min_allocator<bool>());
70 }
71 {
72 test0<std::vector<bool, explicit_allocator<bool>> >();
73 test1<std::vector<bool, explicit_allocator<bool> > >(explicit_allocator<bool>());
74 }
75 #endif
76
77 return true;
78 }
79
main(int,char **)80 int main(int, char**)
81 {
82 tests();
83 #if TEST_STD_VER > 17
84 static_assert(tests());
85 #endif
86 return 0;
87 }
88