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#include "test_macros.h" 17 18#if defined(TEST_COMPILER_CLANG) 19#pragma clang diagnostic ignored "-Wtautological-compare" 20#elif defined(TEST_COMPILER_C1XX) 21#pragma warning(disable: 6294) // Ill-defined for-loop: initial condition does not satisfy test. Loop body not executed. 22#endif 23 24template <std::size_t N> 25std::bitset<N> 26make_bitset() 27{ 28 std::bitset<N> v; 29 for (std::size_t i = 0; i < N; ++i) 30 v[i] = static_cast<bool>(std::rand() & 1); 31 return v; 32} 33 34template <std::size_t N> 35void test_op_or() 36{ 37 std::bitset<N> v1 = make_bitset<N>(); 38 std::bitset<N> v2 = make_bitset<N>(); 39 std::bitset<N> v3 = v1; 40 assert((v1 | v2) == (v3 |= v2)); 41} 42 43int main() 44{ 45 test_op_or<0>(); 46 test_op_or<1>(); 47 test_op_or<31>(); 48 test_op_or<32>(); 49 test_op_or<33>(); 50 test_op_or<63>(); 51 test_op_or<64>(); 52 test_op_or<65>(); 53 test_op_or<1000>(); 54} 55