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// void discard(unsigned long long z);
15
16#include <random>
17#include <cassert>
18
19#include "test_macros.h"
20
21void
22test1()
23{
24 std::knuth_b e1;
25 std::knuth_b e2 = e1;
26 assert(e1 == e2);
27 e1.discard(z: 3);
28 assert(e1 != e2);
29 (void)e2();
30 (void)e2();
31 (void)e2();
32 assert(e1 == e2);
33}
34
35int main(int, char**)
36{
37 test1();
38
39 return 0;
40}
41

source code of libcxx/test/std/numerics/rand/rand.adapt/rand.adapt.shuf/discard.pass.cpp