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 // UNSUPPORTED: c++98, c++03, c++11, c++14
12
13 // <mutex>
14
15 // template <class ...Mutex> class scoped_lock;
16
17 // scoped_lock(scoped_lock const&) = delete;
18
19 #include <mutex>
20 #include "test_macros.h"
21
main()22 int main()
23 {
24 using M = std::mutex;
25 M m0, m1, m2;
26 {
27 using LG = std::scoped_lock<>;
28 const LG Orig;
29 LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
30 }
31 {
32 using LG = std::scoped_lock<M>;
33 const LG Orig(m0);
34 LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
35 }
36 {
37 using LG = std::scoped_lock<M, M>;
38 const LG Orig(m0, m1);
39 LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
40 }
41 {
42 using LG = std::scoped_lock<M, M, M>;
43 const LG Orig(m0, m1, m2);
44 LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
45 }
46 }
47