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, UIntType a, UIntType c, UIntType m>
13 // class linear_congruential_engine;
14
15 // linear_congruential_engine& operator=(const linear_congruential_engine&);
16
17 #include <random>
18 #include <cassert>
19
20 template <class T, T a, T c, T m>
21 void
test1()22 test1()
23 {
24 typedef std::linear_congruential_engine<T, a, c, m> E;
25 E e1;
26 E e2;
27 assert(e1 == e2);
28 e1();
29 e2 = e1;
30 assert(e1 == e2);
31 }
32
33 template <class T>
34 void
test()35 test()
36 {
37 test1<T, 0, 0, 0>();
38 test1<T, 0, 1, 2>();
39 test1<T, 1, 1, 2>();
40 const T M(~0);
41 test1<T, 0, 0, M>();
42 test1<T, 0, M-2, M>();
43 test1<T, 0, M-1, M>();
44 test1<T, M-2, 0, M>();
45 test1<T, M-2, M-2, M>();
46 test1<T, M-2, M-1, M>();
47 test1<T, M-1, 0, M>();
48 test1<T, M-1, M-2, M>();
49 test1<T, M-1, M-1, M>();
50 }
51
main()52 int main()
53 {
54 test<unsigned short>();
55 test<unsigned int>();
56 test<unsigned long>();
57 test<unsigned long long>();
58 }
59