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 // <forward_list>
10
11 // reference front();
12 // const_reference front() const;
13
14 #include <forward_list>
15 #include <cassert>
16 #include <iterator>
17
18 #include "test_macros.h"
19 #include "min_allocator.h"
20
main(int,char **)21 int main(int, char**)
22 {
23 {
24 typedef int T;
25 typedef std::forward_list<T> C;
26 const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
27 C c(std::begin(t), std::end(t));
28 assert(c.front() == 0);
29 c.front() = 10;
30 assert(c.front() == 10);
31 assert(*c.begin() == 10);
32 }
33 {
34 typedef int T;
35 typedef std::forward_list<T> C;
36 const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
37 const C c(std::begin(t), std::end(t));
38 assert(c.front() == 0);
39 assert(*c.begin() == 0);
40 }
41 #if TEST_STD_VER >= 11
42 {
43 typedef int T;
44 typedef std::forward_list<T, min_allocator<T>> C;
45 const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
46 C c(std::begin(t), std::end(t));
47 assert(c.front() == 0);
48 c.front() = 10;
49 assert(c.front() == 10);
50 assert(*c.begin() == 10);
51 }
52 {
53 typedef int T;
54 typedef std::forward_list<T, min_allocator<T>> C;
55 const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
56 const C c(std::begin(t), std::end(t));
57 assert(c.front() == 0);
58 assert(*c.begin() == 0);
59 }
60 #endif
61
62 return 0;
63 }
64