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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <thread>
// class thread
// template <class F, class ...Args> thread(F&& f, Args&&... args);
#include <thread>
#include <new>
#include <cstdlib>
#include <cassert>
unsigned throw_one = 0xFFFF;
void* operator new(std::size_t s) throw(std::bad_alloc)
{
if (throw_one == 0)
throw std::bad_alloc();
--throw_one;
return std::malloc(s);
}
void operator delete(void* p) throw()
{
std::free(p);
}
bool f_run = false;
void f()
{
f_run = true;
}
class G
{
int alive_;
public:
static int n_alive;
static bool op_run;
G() : alive_(1) {++n_alive;}
G(const G& g) : alive_(g.alive_) {++n_alive;}
~G() {alive_ = 0; --n_alive;}
void operator()()
{
assert(alive_ == 1);
assert(n_alive >= 1);
op_run = true;
}
void operator()(int i, double j)
{
assert(alive_ == 1);
assert(n_alive >= 1);
assert(i == 5);
assert(j == 5.5);
op_run = true;
}
};
int G::n_alive = 0;
bool G::op_run = false;
#ifndef _LIBCPP_HAS_NO_VARIADICS
class MoveOnly
{
MoveOnly(const MoveOnly&);
public:
MoveOnly() {}
MoveOnly(MoveOnly&&) {}
void operator()(MoveOnly&&)
{
}
};
#endif
int main()
{
{
std::thread t(f);
t.join();
assert(f_run == true);
}
f_run = false;
{
try
{
throw_one = 0;
std::thread t(f);
assert(false);
}
catch (...)
{
throw_one = 0xFFFF;
assert(!f_run);
}
}
{
assert(G::n_alive == 0);
assert(!G::op_run);
std::thread t((G()));
t.join();
assert(G::n_alive == 0);
assert(G::op_run);
}
G::op_run = false;
{
try
{
throw_one = 0;
assert(G::n_alive == 0);
assert(!G::op_run);
std::thread t((G()));
assert(false);
}
catch (...)
{
throw_one = 0xFFFF;
assert(G::n_alive == 0);
assert(!G::op_run);
}
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
{
assert(G::n_alive == 0);
assert(!G::op_run);
std::thread t(G(), 5, 5.5);
t.join();
assert(G::n_alive == 0);
assert(G::op_run);
}
{
std::thread t = std::thread(MoveOnly(), MoveOnly());
t.join();
}
#endif // _LIBCPP_HAS_NO_VARIADICS
}
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