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 // void discard(unsigned long long z);
16 
17 #include <random>
18 #include <cassert>
19 
20 void
test1()21 test1()
22 {
23     std::knuth_b e1;
24     std::knuth_b e2 = e1;
25     assert(e1 == e2);
26     e1.discard(3);
27     assert(e1 != e2);
28     e2();
29     e2();
30     e2();
31     assert(e1 == e2);
32 }
33 
main()34 int main()
35 {
36     test1();
37 }
38