1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// UNSUPPORTED: libcpp-has-no-threads
11
12// TODO(EricWF) Investigate why typeid(...).name() returns a different string
13// on GCC 4.9 but not newer GCCs.
14// XFAIL: gcc-4.9
15// XFAIL: windows
16
17// THIS TESTS C++03 EXTENSIONS.
18
19// <mutex>
20
21// template <class ...Mutex> class lock_guard;
22
23// Test that the the variadic lock guard implementation mangles the same in
24// C++11 and C++03. This is important since the mangling of `lock_guard` depends
25// on it being declared as a variadic template, even in C++03.
26
27// MODULES_DEFINES: _LIBCPP_ABI_VARIADIC_LOCK_GUARD
28#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
29#include <mutex>
30#include <string>
31#include <typeinfo>
32#include <cassert>
33
34int main() {
35    const std::string expect = "NSt3__110lock_guardIJNS_5mutexEEEE";
36    assert(typeid(std::lock_guard<std::mutex>).name() == expect);
37}
38