xref: /llvm-project/libcxx/test/std/containers/sequences/vector.bool/construct_size.pass.cpp (revision 98d3d5b5da66e3cf7807c23a0294280bb796466b)
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>
10 // vector<bool>
11 
12 // explicit vector(size_type n);
13 
14 #include <vector>
15 #include <cassert>
16 
17 #include "test_macros.h"
18 #include "min_allocator.h"
19 #include "test_allocator.h"
20 
21 template <class C>
test2(typename C::size_type n,typename C::allocator_type const & a=typename C::allocator_type ())22 TEST_CONSTEXPR_CXX20 void test2(typename C::size_type n,
23                                 typename C::allocator_type const& a = typename C::allocator_type ())
24 {
25 #if TEST_STD_VER >= 14
26     C c(n, a);
27     LIBCPP_ASSERT(c.__invariants());
28     assert(c.size() == n);
29     assert(c.get_allocator() == a);
30     for (typename C::const_iterator i = c.cbegin(), e = c.cend(); i != e; ++i)
31         assert(*i == typename C::value_type());
32 #else
33   ((void)n);
34   ((void)a);
35 #endif
36 }
37 
38 template <class C>
test1(typename C::size_type n)39 TEST_CONSTEXPR_CXX20 void test1(typename C::size_type n)
40 {
41     C c(n);
42     LIBCPP_ASSERT(c.__invariants());
43     assert(c.size() == n);
44     assert(c.get_allocator() == typename C::allocator_type());
45     for (typename C::const_iterator i = c.cbegin(), e = c.cend(); i != e; ++i)
46         assert(*i == typename C::value_type());
47 }
48 
49 template <class C>
test(typename C::size_type n)50 TEST_CONSTEXPR_CXX20 void test(typename C::size_type n)
51 {
52     test1<C> ( n );
53     test2<C> ( n );
54 }
55 
tests()56 TEST_CONSTEXPR_CXX20 bool tests()
57 {
58     test<std::vector<bool> >(50);
59 #if TEST_STD_VER >= 11
60     test<std::vector<bool, min_allocator<bool>> >(50);
61     test2<std::vector<bool, test_allocator<bool>> >( 100, test_allocator<bool>(23));
62 #endif
63 
64     return true;
65 }
66 
main(int,char **)67 int main(int, char**)
68 {
69     tests();
70 #if TEST_STD_VER > 17
71     static_assert(tests());
72 #endif
73     return 0;
74 }
75