right_shift.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976
1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// The LLVM Compiler Infrastructure 4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// test bitset<N> operator>>(size_t pos) const; 11c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <bitset> 13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cstdlib> 14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert> 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnanttemplate <std::size_t N> 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantstd::bitset<N> 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantmake_bitset() 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::bitset<N> v; 21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant for (std::size_t i = 0; i < N; ++i) 22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant v[i] = static_cast<bool>(std::rand() & 1); 23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant return v; 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnanttemplate <std::size_t N> 27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantvoid test_right_shift() 28c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 29c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant for (std::size_t s = 0; s <= N+1; ++s) 30c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant { 31c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::bitset<N> v1 = make_bitset<N>(); 32c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::bitset<N> v2 = v1; 33c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert((v1 >>= s) == (v2 >> s)); 34c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant } 35c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 36c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 37c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 38c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 39c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant test_right_shift<0>(); 40c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant test_right_shift<1>(); 41c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant test_right_shift<31>(); 42c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant test_right_shift<32>(); 43c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant test_right_shift<33>(); 44c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant test_right_shift<63>(); 45c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant test_right_shift<64>(); 46c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant test_right_shift<65>(); 47c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant test_right_shift<1000>(); 48c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 49