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 #if defined(__clang__)
16 #pragma clang diagnostic ignored "-Wtautological-compare"
17 #endif
18 
19 template <std::size_t N>
20 void test_default_ctor()
21 {
22     {
23     _LIBCPP_CONSTEXPR std::bitset<N> v1;
24     assert(v1.size() == N);
25     for (std::size_t i = 0; i < N; ++i)
26         assert(v1[i] == false);
27     }
28 }
29 
30 int main()
31 {
32     test_default_ctor<0>();
33     test_default_ctor<1>();
34     test_default_ctor<31>();
35     test_default_ctor<32>();
36     test_default_ctor<33>();
37     test_default_ctor<63>();
38     test_default_ctor<64>();
39     test_default_ctor<65>();
40     test_default_ctor<1000>();
41 }
42