llvm-project/libcxx/test/std/numerics/rand/rand.eng/rand.eng.lcong/params.fail.cpp

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1.3 KiB
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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <random>
// template <class UIntType, UIntType a, UIntType c, UIntType m>
// class linear_congruential_engine;
// requirements on parameters
#include <random>
int main(int, char**)
{
typedef unsigned long long T;
// expected-error-re@*:* {{{{(static_assert|static assertion)}} failed due to requirement '1ULL == 0 || 1ULL < 1ULL'{{.*}}linear_congruential_engine invalid parameters}}
std::linear_congruential_engine<T, 0, 0, 0> e2;
// expected-error-re@*:* {{{{(static_assert|static assertion)}} failed due to requirement '1ULL == 0 || 1ULL < 1ULL'{{.*}}linear_congruential_engine invalid parameters}}
std::linear_congruential_engine<T, 0, 1, 1> e3;
std::linear_congruential_engine<T, 1, 0, 1> e4;
// expected-error-re@*:* {{{{(static_assert|static assertion)}} failed due to requirement 'is_unsigned<int>::value'{{.*}}_UIntType must be unsigned type}}
std::linear_congruential_engine<int, 0, 0, 0> e5;
return 0;
}