test.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c
1//===----------------------------------------------------------------------===// 2// 3// ��������������������The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. 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 16template <std::size_t N> 17std::bitset<N> 18make_bitset() 19{ 20 std::bitset<N> v; 21 for (std::size_t i = 0; i < N; ++i) 22 v[i] = static_cast<bool>(std::rand() & 1); 23 return v; 24} 25 26template <std::size_t N> 27void test_test() 28{ 29 const std::bitset<N> v1 = make_bitset<N>(); 30 try 31 { 32 bool b = v1.test(50); 33 if (50 >= v1.size()) 34 assert(false); 35 assert(b == v1[50]); 36 } 37 catch (std::out_of_range&) 38 { 39 } 40} 41 42 43int main() 44{ 45 test_test<0>(); 46 test_test<1>(); 47 test_test<31>(); 48 test_test<32>(); 49 test_test<33>(); 50 test_test<63>(); 51 test_test<64>(); 52 test_test<65>(); 53 test_test<1000>(); 54} 55