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 // test type_info
10 
11 // UNSUPPORTED: no-rtti
12 
13 #include <typeinfo>
14 #include <string>
15 #include <cstring>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
test_constructor_explicit(std::type_info const &)20 bool test_constructor_explicit(std::type_info const&) { return false; }
test_constructor_explicit(std::string const &)21 bool test_constructor_explicit(std::string const&) { return true; }
22 
main(int,char **)23 int main(int, char**)
24 {
25   {
26     const std::type_info& t1 = typeid(int);
27     const std::type_info& t2 = typeid(int);
28     assert(t1 == t2);
29     const std::type_info& t3 = typeid(short);
30     assert(t1 != t3);
31     assert(!t1.before(t2));
32     assert(std::strcmp(t1.name(), t2.name()) == 0);
33     assert(std::strcmp(t1.name(), t3.name()) != 0);
34   }
35   {
36     // type_info has a protected constructor taking a string literal. This
37     // constructor is not intended for users. However it still participates
38     // in overload resolution, so we need to ensure that it is marked explicit
39     // to avoid ambiguous conversions.
40     // See: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216201
41     assert(test_constructor_explicit("abc"));
42   }
43 
44   return 0;
45 }
46