1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 // class packaged_task<R(ArgTypes...)>
14 // template <class F, class Allocator>
15 // explicit packaged_task(allocator_arg_t, const Allocator& a, F&& f);
20 #include "../../test_allocator.h"
30 explicit A(long i) : data_(i) {}
31 A(A&& a) : data_(a.data_) {++n_moves; a.data_ = -1;}
32 A(const A& a) : data_(a.data_) {++n_copies;}
34 long operator()(long i, long j) const {return data_ + i + j;}
43 std::packaged_task<double(int, char)> p(std::allocator_arg,
44 test_allocator<A>(), A(5));
45 assert(test_alloc_base::count > 0);
47 std::future<double> f = p.get_future();
49 assert(f.get() == 105.0);
50 assert(A::n_copies == 0);
51 assert(A::n_moves > 0);
53 assert(test_alloc_base::count == 0);
58 std::packaged_task<double(int, char)> p(std::allocator_arg,
59 test_allocator<A>(), a);
60 assert(test_alloc_base::count > 0);
62 std::future<double> f = p.get_future();
64 assert(f.get() == 105.0);
65 assert(A::n_copies > 0);
66 assert(A::n_moves > 0);
68 assert(test_alloc_base::count == 0);