Howard Hinnant | c52f43e | 2010-08-22 00:59:46 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | c52f43e | 2010-08-22 00:59:46 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // test constexpr bool test(size_t pos) const; |
| 11 | |
| 12 | #include <bitset> |
| 13 | #include <cstdlib> |
| 14 | #include <cassert> |
| 15 | |
Howard Hinnant | 97ecd64 | 2011-05-17 19:12:55 +0000 | [diff] [blame] | 16 | #pragma clang diagnostic ignored "-Wtautological-compare" |
| 17 | |
Howard Hinnant | c52f43e | 2010-08-22 00:59:46 +0000 | [diff] [blame] | 18 | template <std::size_t N> |
| 19 | std::bitset<N> |
| 20 | make_bitset() |
| 21 | { |
| 22 | std::bitset<N> v; |
| 23 | for (std::size_t i = 0; i < N; ++i) |
| 24 | v[i] = static_cast<bool>(std::rand() & 1); |
| 25 | return v; |
| 26 | } |
| 27 | |
| 28 | template <std::size_t N> |
| 29 | void test_test() |
| 30 | { |
| 31 | const std::bitset<N> v1 = make_bitset<N>(); |
| 32 | try |
| 33 | { |
| 34 | bool b = v1.test(50); |
| 35 | if (50 >= v1.size()) |
| 36 | assert(false); |
| 37 | assert(b == v1[50]); |
| 38 | } |
| 39 | catch (std::out_of_range&) |
| 40 | { |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | int main() |
| 45 | { |
| 46 | test_test<0>(); |
| 47 | test_test<1>(); |
| 48 | test_test<31>(); |
| 49 | test_test<32>(); |
| 50 | test_test<33>(); |
| 51 | test_test<63>(); |
| 52 | test_test<64>(); |
| 53 | test_test<65>(); |
| 54 | test_test<1000>(); |
| 55 | } |