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 all() const; 11 12 #include <bitset> 13 #include <type_traits> 14 #include <cassert> 15 16 template <std::size_t N> 17 void test_all() 18 { 19 std::bitset<N> v; 20 v.reset(); 21 assert(v.all() == (N == 0)); 22 v.set(); 23 assert(v.all() == true); 24 const bool greater_than_1 = std::integral_constant<bool, (N > 1)>::value; // avoid compiler warnings 25 if (greater_than_1) 26 { 27 v[N/2] = false; 28 assert(v.all() == false); 29 } 30 } 31 32 int main() 33 { 34 test_all<0>(); 35 test_all<1>(); 36 test_all<31>(); 37 test_all<32>(); 38 test_all<33>(); 39 test_all<63>(); 40 test_all<64>(); 41 test_all<65>(); 42 test_all<1000>(); 43 } 44
