llvm/libcxx/test/std/numerics/rand/rand.adapt/rand.adapt.shuf/values.pass.cpp

//===----------------------------------------------------------------------===//
//
// 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 Engine, size_t k>
// class shuffle_order_engine
// {
// public:
//     // types
//     typedef typename Engine::result_type result_type;
//
//     // engine characteristics
//     static constexpr size_t table_size = k;
//     static constexpr result_type min() { return Engine::min; }
//     static constexpr result_type max() { return Engine::max; }

#include <random>
#include <type_traits>
#include <cassert>

#include "test_macros.h"

template <class T>
void where(const T &) {}

void
test1()
{
    typedef std::knuth_b E;
    static_assert(E::table_size == 256, "");
#if TEST_STD_VER >= 11
    static_assert((E::min() == 1), "");
    static_assert((E::max() == 2147483646), "");
#else
    assert((E::min() == 1));
    assert((E::max() == 2147483646));
#endif
    where(E::table_size);
}

int main(int, char**)
{
    test1();

  return 0;
}