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& operator=(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(2);
25     e1();
26     E e2(5);
27     e2 = e1;
28     assert(e1 == e2);
29     assert(e1() == e2());
30     E::result_type k = e1();
31     assert(e1 != e2);
32     assert(e2() == k);
33     assert(e1 == e2);
34 }
35 
main()36 int main()
37 {
38     test1();
39 }
40