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 default ctor
11 
12 #include <bitset>
13 #include <cassert>
14 
15 #pragma clang diagnostic ignored "-Wtautological-compare"
16 
17 template <std::size_t N>
test_default_ctor()18 void test_default_ctor()
19 {
20     {
21     _LIBCPP_CONSTEXPR std::bitset<N> v1;
22     assert(v1.size() == N);
23     for (std::size_t i = 0; i < N; ++i)
24         assert(v1[i] == false);
25     }
26 }
27 
main()28 int main()
29 {
30     test_default_ctor<0>();
31     test_default_ctor<1>();
32     test_default_ctor<31>();
33     test_default_ctor<32>();
34     test_default_ctor<33>();
35     test_default_ctor<63>();
36     test_default_ctor<64>();
37     test_default_ctor<65>();
38     test_default_ctor<1000>();
39 }
40