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 // void clear() noexcept;
12
13 #include <deque>
14 #include <cassert>
15
16 #include "test_macros.h"
17 #include "../../../NotConstructible.h"
18 #include "min_allocator.h"
19
main(int,char **)20 int main(int, char**)
21 {
22 {
23 typedef NotConstructible T;
24 typedef std::deque<T> C;
25 C c;
26 ASSERT_NOEXCEPT(c.clear());
27 c.clear();
28 assert(std::distance(c.begin(), c.end()) == 0);
29 }
30 {
31 typedef int T;
32 typedef std::deque<T> C;
33 const T t[] = {0, 1, 2, 3, 4};
34 C c(std::begin(t), std::end(t));
35
36 ASSERT_NOEXCEPT(c.clear());
37 c.clear();
38 assert(std::distance(c.begin(), c.end()) == 0);
39
40 c.clear();
41 assert(std::distance(c.begin(), c.end()) == 0);
42 }
43 #if TEST_STD_VER >= 11
44 {
45 typedef NotConstructible T;
46 typedef std::deque<T, min_allocator<T>> C;
47 C c;
48 ASSERT_NOEXCEPT(c.clear());
49 c.clear();
50 assert(std::distance(c.begin(), c.end()) == 0);
51 }
52 {
53 typedef int T;
54 typedef std::deque<T, min_allocator<T>> C;
55 const T t[] = {0, 1, 2, 3, 4};
56 C c(std::begin(t), std::end(t));
57
58 ASSERT_NOEXCEPT(c.clear());
59 c.clear();
60 assert(std::distance(c.begin(), c.end()) == 0);
61
62 c.clear();
63 assert(std::distance(c.begin(), c.end()) == 0);
64 }
65 #endif
66
67 return 0;
68 }
69