| 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 k> |
| 12 | // class shuffle_order_engine |
| 13 | // { |
| 14 | // public: |
| 15 | // // types |
| 16 | // typedef typename Engine::result_type result_type; |
| 17 | // |
| 18 | // // engine characteristics |
| 19 | // static constexpr size_t table_size = k; |
| 20 | // static constexpr result_type min() { return Engine::min; } |
| 21 | // static constexpr result_type max() { return Engine::max; } |
| 22 | |
| 23 | #include <random> |
| 24 | #include <type_traits> |
| 25 | #include <cassert> |
| 26 | |
| 27 | #include "test_macros.h" |
| 28 | |
| 29 | template <class T> |
| 30 | void where(const T &) {} |
| 31 | |
| 32 | void |
| 33 | test1() |
| 34 | { |
| 35 | typedef std::knuth_b E; |
| 36 | static_assert(E::table_size == 256, "" ); |
| 37 | #if TEST_STD_VER >= 11 |
| 38 | static_assert((E::min() == 1), "" ); |
| 39 | static_assert((E::max() == 2147483646), "" ); |
| 40 | #else |
| 41 | assert((E::min() == 1)); |
| 42 | assert((E::max() == 2147483646)); |
| 43 | #endif |
| 44 | where(E::table_size); |
| 45 | } |
| 46 | |
| 47 | int main(int, char**) |
| 48 | { |
| 49 | test1(); |
| 50 | |
| 51 | return 0; |
| 52 | } |
| 53 | |