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 // <vector> 10 11 // Call back() on empty container. 12 13 // REQUIRES: has-unix-headers 14 // UNSUPPORTED: c++03 15 // UNSUPPORTED: libcpp-hardening-mode=none 16 // XFAIL: libcpp-hardening-mode=debug && availability-verbose_abort-missing 17 18 #include <vector> 19 #include <cassert> 20 21 #include "check_assertion.h" 22 #include "min_allocator.h" 23 main(int,char **)24int main(int, char**) { 25 { 26 typedef int T; 27 typedef std::vector<T, min_allocator<T> > C; 28 C c(1); 29 assert(c.back() == 0); 30 c.clear(); 31 TEST_LIBCPP_ASSERT_FAILURE(c.back(), "back() called on an empty vector"); 32 } 33 { 34 typedef int T; 35 typedef std::vector<T> C; 36 C c(1); 37 assert(c.back() == 0); 38 c.clear(); 39 TEST_LIBCPP_ASSERT_FAILURE(c.back(), "back() called on an empty vector"); 40 } 41 42 return 0; 43 } 44