1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // test constexpr bool test(size_t pos) const; 11 12 #include <bitset> 13 #include <cstdlib> 14 #include <cassert> 15 16 #pragma clang diagnostic ignored "-Wtautological-compare" 17 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 } 56
