xref: /llvm-project/libcxx/test/std/containers/sequences/deque/deque.capacity/size.pass.cpp (revision 10ec9276d40024c23a481e6671dad1521151dd85)
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 // <deque>
10 
11 // class deque
12 
13 // size_type size() const noexcept;
14 
15 #include "asan_testing.h"
16 #include <deque>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 #include "min_allocator.h"
21 
main(int,char **)22 int main(int, char**)
23 {
24     {
25     typedef std::deque<int> C;
26     C c;
27     ASSERT_NOEXCEPT(c.size());
28     assert(c.size() == 0);
29     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
30     c.push_back(C::value_type(2));
31     assert(c.size() == 1);
32     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
33     c.push_back(C::value_type(1));
34     assert(c.size() == 2);
35     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
36     c.push_back(C::value_type(3));
37     assert(c.size() == 3);
38     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
39     c.erase(c.begin());
40     assert(c.size() == 2);
41     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
42     c.erase(c.begin());
43     assert(c.size() == 1);
44     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
45     c.erase(c.begin());
46     assert(c.size() == 0);
47     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
48     }
49 #if TEST_STD_VER >= 11
50     {
51     typedef std::deque<int, min_allocator<int>> C;
52     C c;
53     ASSERT_NOEXCEPT(c.size());
54     assert(c.size() == 0);
55     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
56     c.push_back(C::value_type(2));
57     assert(c.size() == 1);
58     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
59     c.push_back(C::value_type(1));
60     assert(c.size() == 2);
61     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
62     c.push_back(C::value_type(3));
63     assert(c.size() == 3);
64     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
65     c.erase(c.begin());
66     assert(c.size() == 2);
67     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
68     c.erase(c.begin());
69     assert(c.size() == 1);
70     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
71     c.erase(c.begin());
72     assert(c.size() == 0);
73     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
74     }
75 #endif
76 
77   return 0;
78 }
79