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 // template <class charT>
11 //     explicit bitset(const charT* str,
12 //                     typename basic_string<charT>::size_type n = basic_string<charT>::npos,
13 //                     charT zero = charT('0'), charT one = charT('1'));
14 
15 #include <bitset>
16 #include <cassert>
17 #include <algorithm> // for 'min' and 'max'
18 #include <stdexcept> // for 'invalid_argument'
19 
20 #pragma clang diagnostic ignored "-Wtautological-compare"
21 
22 template <std::size_t N>
test_char_pointer_ctor()23 void test_char_pointer_ctor()
24 {
25     {
26     try
27     {
28         std::bitset<N> v("xxx1010101010xxxx");
29         assert(false);
30     }
31     catch (std::invalid_argument&)
32     {
33     }
34     }
35 
36     {
37     const char str[] ="1010101010";
38     std::bitset<N> v(str);
39     std::size_t M = std::min<std::size_t>(N, 10);
40     for (std::size_t i = 0; i < M; ++i)
41         assert(v[i] == (str[M - 1 - i] == '1'));
42     for (std::size_t i = 10; i < N; ++i)
43         assert(v[i] == false);
44     }
45 }
46 
main()47 int main()
48 {
49     test_char_pointer_ctor<0>();
50     test_char_pointer_ctor<1>();
51     test_char_pointer_ctor<31>();
52     test_char_pointer_ctor<32>();
53     test_char_pointer_ctor<33>();
54     test_char_pointer_ctor<63>();
55     test_char_pointer_ctor<64>();
56     test_char_pointer_ctor<65>();
57     test_char_pointer_ctor<1000>();
58 }
59