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 p, size_t r>
13 // class discard_block_engine
14 
15 // discard_block_engine(const discard_block_engine&);
16 
17 #include <random>
18 #include <cassert>
19 
20 void
test1()21 test1()
22 {
23     typedef std::ranlux24 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 
35 void
test2()36 test2()
37 {
38     typedef std::ranlux48 E;
39     E e1;
40     e1();
41     E e2 = e1;
42     assert(e1 == e2);
43     assert(e1() == e2());
44     E::result_type k = e1();
45     assert(e1 != e2);
46     assert(e2() == k);
47     assert(e1 == e2);
48 }
49 
main()50 int main()
51 {
52     test1();
53     test2();
54 }
55