opnsense-src/test/libcxx/thread/thread.mutex/thread.lock/thread.lock.guard/variadic_mutex_mangling.pass.cpp

35 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
// TODO(EricWF) Investigate why typeid(...).name() returns a different string
// on GCC 4.9 but not newer GCCs.
// XFAIL: gcc-4.9
// THIS TESTS C++03 EXTENSIONS.
// <mutex>
// template <class ...Mutex> class lock_guard;
// Test that the the variadic lock guard implementation mangles the same in
// C++11 and C++03. This is important since the mangling of `lock_guard` depends
// on it being declared as a variadic template, even in C++03.
#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
#include <mutex>
#include <string>
#include <typeinfo>
#include <cassert>
int main() {
const std::string expect = "NSt3__110lock_guardIJNS_5mutexEEEE";
assert(typeid(std::lock_guard<std::mutex>).name() == expect);
}