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 // <random>
11 
12 // template<class Engine, size_t k>
13 // class shuffle_order_engine
14 
15 // shuffle_order_engine(const shuffle_order_engine&);
16 
17 #include <random>
18 #include <cassert>
19 
20 void
test1()21 test1()
22 {
23     typedef std::knuth_b E;
24     E e1;
25     e1();
26     E e2 = e1;
27     assert(e1 == e2);
28     assert(e1() == e2());
29     E::result_type k = e1();
30     assert(e1 != e2);
31     assert(e2() == k);
32     assert(e1 == e2);
33 }
34 
main()35 int main()
36 {
37     test1();
38 }
39