xref: /llvm-project/libcxx/test/std/numerics/rand/rand.adapt/rand.adapt.shuf/ctor_engine_copy.pass.cpp (revision 7fc6a55688c816f5fc1a5481ae7af25be7500356)
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 // <random>
10 
11 // template<class Engine, size_t k>
12 // class shuffle_order_engine
13 
14 // explicit shuffle_order_engine(const Engine& e);
15 
16 #include <random>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
main(int,char **)21 int main(int, char**)
22 {
23     {
24         typedef std::minstd_rand0 Engine;
25         typedef std::knuth_b Adaptor;
26         Engine e;
27         Adaptor a(e);
28         for (unsigned k = 0; k <= Adaptor::table_size; ++k) {
29             (void)e();
30         }
31 
32         assert(a.base() == e);
33     }
34 
35   return 0;
36 }
37