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 // This test is marked XFAIL and not UNSUPPORTED because the non-variadic 13 // declaration of packaged_task is available in C++03. Therefore the test 14 // should fail because the static_assert fires and not because std::packaged_task 15 // in undefined. 16 // XFAIL: c++98, c++03 17 18 // <future> 19 20 // class packaged_task<R(ArgTypes...)> 21 22 // template <class Callable, class Alloc> 23 // struct uses_allocator<packaged_task<Callable>, Alloc> 24 // : true_type { }; 25 26 #include <future> 27 #include "test_allocator.h" 28 29 int main() 30 { 31 static_assert((std::uses_allocator<std::packaged_task<double(int, char)>, test_allocator<int> >::value), ""); 32 } 33