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 UIntType, size_t w, size_t n, size_t m, size_t r,
13//           UIntType a, size_t u, UIntType d, size_t s,
14//           UIntType b, size_t t, UIntType c, size_t l, UIntType f>
15// class mersenne_twister_engine;
16
17// mersenne_twister_engine& operator=(const mersenne_twister_engine&);
18
19#include <random>
20#include <cassert>
21
22void
23test1()
24{
25    typedef std::mt19937 E;
26    E e1(2);
27    e1();
28    E e2(5);
29    e2 = e1;
30    assert(e1 == e2);
31    assert(e1() == e2());
32    E::result_type k = e1();
33    assert(e1 != e2);
34    assert(e2() == k);
35    assert(e1 == e2);
36}
37
38void
39test2()
40{
41    typedef std::mt19937_64 E;
42    E e1(3);
43    e1();
44    E e2(5);
45    e2 = e1;
46    assert(e1 == e2);
47    assert(e1() == e2());
48    E::result_type k = e1();
49    assert(e1 != e2);
50    assert(e2() == k);
51    assert(e1 == e2);
52}
53
54int main()
55{
56    test1();
57    test2();
58}
59