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 bitset<N> operator&(const bitset<N>& lhs, const bitset<N>& rhs); 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_op_and() 30 { 31 std::bitset<N> v1 = make_bitset<N>(); 32 std::bitset<N> v2 = make_bitset<N>(); 33 std::bitset<N> v3 = v1; 34 assert((v1 & v2) == (v3 &= v2));; 35 } 36 37 int main() 38 { 39 test_op_and<0>(); 40 test_op_and<1>(); 41 test_op_and<31>(); 42 test_op_and<32>(); 43 test_op_and<33>(); 44 test_op_and<63>(); 45 test_op_and<64>(); 46 test_op_and<65>(); 47 test_op_and<1000>(); 48 } 49
