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 w, class UIntType>
12// class independent_bits_engine
13
14// independent_bits_engine& operator=(const independent_bits_engine&);
15
16#include <random>
17#include <cassert>
18
19#include "test_macros.h"
20
21void
22test1()
23{
24 typedef std::independent_bits_engine<std::ranlux24, 32, unsigned> E;
25 E e1(2);
26 (void)e1();
27 E e2(5);
28 e2 = e1;
29 assert(e1 == e2);
30 assert(e1() == e2());
31 E::result_type k = e1();
32 assert(e1 != e2);
33 assert(e2() == k);
34 assert(e1 == e2);
35}
36
37void
38test2()
39{
40 typedef std::independent_bits_engine<std::ranlux48, 64, unsigned long long> E;
41 E e1(3);
42 (void)e1();
43 E e2(5);
44 e2 = e1;
45 assert(e1 == e2);
46 assert(e1() == e2());
47 E::result_type k = e1();
48 assert(e1 != e2);
49 assert(e2() == k);
50 assert(e1 == e2);
51}
52
53int main(int, char**)
54{
55 test1();
56 test2();
57
58 return 0;
59}
60

source code of libcxx/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/assign.pass.cpp