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 UIntType, UIntType a, UIntType c, UIntType m>
12// class linear_congruential_engine;
13
14// requirements on parameters
15
16#include <random>
17
18int main(int, char**)
19{
20 typedef unsigned long long T;
21
22 // expected-error-re@*:* {{static assertion failed due to requirement '1ULL == 0 || 1ULL < 1ULL'{{.*}}linear_congruential_engine invalid parameters}}
23 std::linear_congruential_engine<T, 0, 0, 0> e2;
24 // expected-error-re@*:* {{static assertion failed due to requirement '1ULL == 0 || 1ULL < 1ULL'{{.*}}linear_congruential_engine invalid parameters}}
25 std::linear_congruential_engine<T, 0, 1, 1> e3;
26 std::linear_congruential_engine<T, 1, 0, 1> e4;
27 // expected-error-re@*:* {{static assertion failed due to requirement 'is_unsigned<int>::value'{{.*}}_UIntType must be unsigned type}}
28 std::linear_congruential_engine<int, 0, 0, 0> e5;
29
30 return 0;
31}
32

source code of libcxx/test/std/numerics/rand/rand.eng/rand.eng.lcong/params.verify.cpp