1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <string>
11
12 // void pop_back();
13
14 #include <string>
15 #include <cassert>
16
17 #include "test_macros.h"
18 #include "min_allocator.h"
19
20 template <class S>
21 void
test(S s,S expected)22 test(S s, S expected)
23 {
24 s.pop_back();
25 LIBCPP_ASSERT(s.__invariants());
26 assert(s == expected);
27 }
28
main()29 int main()
30 {
31 {
32 typedef std::string S;
33 test(S("abcde"), S("abcd"));
34 test(S("abcdefghij"), S("abcdefghi"));
35 test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrs"));
36 }
37 #if TEST_STD_VER >= 11
38 {
39 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
40 test(S("abcde"), S("abcd"));
41 test(S("abcdefghij"), S("abcdefghi"));
42 test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrs"));
43 }
44 #endif
45 }
46