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 bool none() const; 11 12 #include <bitset> 13 #include <cassert> 14 15 template <std::size_t N> 16 void 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 33 int 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
