1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // UNSUPPORTED: no-localization
10
11 // <random>
12
13 // template <class UIntType, size_t w, size_t n, size_t m, size_t r,
14 // UIntType a, size_t u, UIntType d, size_t s,
15 // UIntType b, size_t t, UIntType c, size_t l, UIntType f>
16 // class mersenne_twister_engine;
17
18 // template <class charT, class traits,
19 // class UIntType, size_t w, size_t n, size_t m, size_t r,
20 // UIntType a, size_t u, UIntType d, size_t s,
21 // UIntType b, size_t t, UIntType c, size_t l, UIntType f>
22 // basic_ostream<charT, traits>&
23 // operator<<(basic_ostream<charT, traits>& os,
24 // const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x);
25 //
26 // template <class charT, class traits,
27 // class UIntType, size_t w, size_t n, size_t m, size_t r,
28 // UIntType a, size_t u, UIntType d, size_t s,
29 // UIntType b, size_t t, UIntType c, size_t l, UIntType f>
30 // basic_ostream<charT, traits>&
31 // operator>>(basic_istream<charT, traits>& is,
32 // mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x);
33
34 #include <random>
35 #include <sstream>
36 #include <cassert>
37
38 #include "test_macros.h"
39
40 void
test1()41 test1()
42 {
43 typedef std::mt19937 E;
44 E e1;
45 e1.discard(100);
46 std::ostringstream os;
47 os << e1;
48 std::istringstream is(os.str());
49 E e2;
50 is >> e2;
51 assert(e1 == e2);
52 }
53
54 void
test2()55 test2()
56 {
57 typedef std::mt19937_64 E;
58 E e1;
59 e1.discard(100);
60 std::ostringstream os;
61 os << e1;
62 std::istringstream is(os.str());
63 E e2;
64 is >> e2;
65 assert(e1 == e2);
66 }
67
main(int,char **)68 int main(int, char**)
69 {
70 test1();
71 test2();
72
73 return 0;
74 }
75