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 // <unordered_map>
10
11 // Increment iterator past end.
12
13 // REQUIRES: has-unix-headers, libcpp-hardening-mode={{extensive|debug}}
14 // UNSUPPORTED: c++03
15 // XFAIL: libcpp-hardening-mode=debug && availability-verbose_abort-missing
16
17 #include <unordered_map>
18 #include <cassert>
19 #include <string>
20
21 #include "check_assertion.h"
22 #include "min_allocator.h"
23
main(int,char **)24 int main(int, char**) {
25 {
26 typedef std::unordered_multimap<int, std::string> C;
27 C c;
28 c.insert(std::make_pair(1, "one"));
29 C::iterator i = c.begin();
30 ++i;
31 assert(i == c.end());
32 TEST_LIBCPP_ASSERT_FAILURE(++i, "Attempted to increment a non-incrementable unordered container iterator");
33 C::const_iterator i2 = c.cbegin();
34 ++i2;
35 assert(i2 == c.cend());
36 TEST_LIBCPP_ASSERT_FAILURE(++i2, "Attempted to increment a non-incrementable unordered container const_iterator");
37 }
38
39 {
40 typedef std::unordered_multimap<int,
41 std::string,
42 std::hash<int>,
43 std::equal_to<int>,
44 min_allocator<std::pair<const int, std::string>>>
45 C;
46 C c;
47 c.insert(std::make_pair(1, "one"));
48 C::iterator i = c.begin();
49 ++i;
50 assert(i == c.end());
51 TEST_LIBCPP_ASSERT_FAILURE(++i, "Attempted to increment a non-incrementable unordered container iterator");
52 C::const_iterator i2 = c.cbegin();
53 ++i2;
54 assert(i2 == c.cend());
55 TEST_LIBCPP_ASSERT_FAILURE(++i2, "Attempted to increment a non-incrementable unordered container const_iterator");
56 }
57
58 return 0;
59 }
60