none.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b
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 bool none() const; 11 12#include <bitset> 13#include <cassert> 14 15template <std::size_t N> 16void test_none() 17{ 18 std::bitset<N> v; 19 v.reset(); 20 assert(v.none() == true); 21 v.set(); 22 assert(v.none() == (N == 0)); 23 if (N > 1) 24 { 25 v[N/2] = false; 26 assert(v.none() == false); 27 v.reset(); 28 v[N/2] = true; 29 assert(v.none() == false); 30 } 31} 32 33int main() 34{ 35 test_none<0>(); 36 test_none<1>(); 37 test_none<31>(); 38 test_none<32>(); 39 test_none<33>(); 40 test_none<63>(); 41 test_none<64>(); 42 test_none<65>(); 43 test_none<1000>(); 44} 45