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>
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>
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 
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 
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