| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // test type_info |
| |
| #include <typeinfo> |
| #include <string> |
| #include <cstring> |
| #include <cassert> |
| |
| bool test_constructor_explicit(std::type_info const&) { return false; } |
| bool test_constructor_explicit(std::string const&) { return true; } |
| |
| int main() |
| { |
| { |
| const std::type_info& t1 = typeid(int); |
| const std::type_info& t2 = typeid(int); |
| assert(t1 == t2); |
| const std::type_info& t3 = typeid(short); |
| assert(t1 != t3); |
| assert(!t1.before(t2)); |
| assert(strcmp(t1.name(), t2.name()) == 0); |
| assert(strcmp(t1.name(), t3.name()) != 0); |
| } |
| { |
| // type_info has a protected constructor taking a string literal. This |
| // constructor is not intended for users. However it still participates |
| // in overload resolution, so we need to ensure that it is marked explicit |
| // to avoid ambiguous conversions. |
| // See: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216201 |
| assert(test_constructor_explicit("abc")); |
| } |
| } |
