1 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
2 // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } }
3 // { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
4 // { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
5 // { dg-require-cstdint "" }
6 // { dg-require-gthreads "" }
7 // { dg-require-atomic-builtins "" }
8 
9 // Copyright (C) 2009-2014 Free Software Foundation, Inc.
10 //
11 // This file is part of the GNU ISO C++ Library.  This library is free
12 // software; you can redistribute it and/or modify it under the
13 // terms of the GNU General Public License as published by the
14 // Free Software Foundation; either version 3, or (at your option)
15 // any later version.
16 
17 // This library is distributed in the hope that it will be useful,
18 // but WITHOUT ANY WARRANTY; without even the implied warranty of
19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 // GNU General Public License for more details.
21 
22 // You should have received a copy of the GNU General Public License along
23 // with this library; see the file COPYING3.  If not see
24 // <http://www.gnu.org/licenses/>.
25 
26 
27 #include <future>
28 #include <testsuite_hooks.h>
29 #include <testsuite_rvalref.h>
30 
test01()31 void test01()
32 {
33   bool test __attribute__((unused)) = true;
34 
35   std::promise<int> p1;
36   std::future<int> f1 = p1.get_future();
37 
38   VERIFY( f1.valid() );
39 
40   p1.set_value(0);
41 
42   int&& i1 = f1.get();
43 
44   VERIFY( i1 == 0 );
45 }
46 
test02()47 void test02()
48 {
49   bool test __attribute__((unused)) = true;
50   using __gnu_test::rvalstruct;
51 
52   std::promise<rvalstruct> p1;
53   std::future<rvalstruct> f1 = p1.get_future();
54 
55   VERIFY( f1.valid() );
56 
57   p1.set_value(rvalstruct(1));
58 
59   rvalstruct r1(f1.get());
60 
61   VERIFY( !f1.valid() );
62   VERIFY( r1.val == 1 );
63 }
64 
65 
test03()66 void test03()
67 {
68   bool test __attribute__((unused)) = true;
69 
70   std::promise<int&> p1;
71   std::future<int&> f1 = p1.get_future();
72 
73   VERIFY( f1.valid() );
74 
75   int i1 = 0;
76   p1.set_value(i1);
77   int& i2 = f1.get();
78 
79   VERIFY( !f1.valid() );
80   VERIFY( &i1 == &i2 );
81 }
82 
test04()83 void test04()
84 {
85   bool test __attribute__((unused)) = true;
86 
87   std::promise<void> p1;
88   std::future<void> f1 = p1.get_future();
89 
90   VERIFY( f1.valid() );
91 
92   p1.set_value();
93   f1.get();
94 
95   VERIFY( !f1.valid() );
96 }
97 
main()98 int main()
99 {
100   test01();
101   test02();
102   test03();
103   test04();
104 
105   return 0;
106 }
107