| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <string> |
| |
| // Call back() on empty const container. |
| |
| // REQUIRES: has-unix-headers |
| // UNSUPPORTED: c++03 |
| // UNSUPPORTED: libcpp-hardening-mode=none |
| // XFAIL: libcpp-hardening-mode=debug && availability-verbose_abort-missing |
| |
| #include <string> |
| |
| #include "check_assertion.h" |
| #include "min_allocator.h" |
| |
| template <class S> |
| void test() { |
| const S s; |
| TEST_LIBCPP_ASSERT_FAILURE(s.back(), "string::back(): string is empty"); |
| } |
| |
| int main(int, char**) { |
| test<std::string>(); |
| test<std::basic_string<char, std::char_traits<char>, min_allocator<char> > >(); |
| |
| return 0; |
| } |