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 // XFAIL: libcpp-no-exceptions
11 // template <class charT>
12 //     explicit bitset(const charT* str,
13 //                     typename basic_string<charT>::size_type n = basic_string<charT>::npos,
14 //                     charT zero = charT('0'), charT one = charT('1'));
15 
16 #include <bitset>
17 #include <cassert>
18 #include <algorithm> // for 'min' and 'max'
19 #include <stdexcept> // for 'invalid_argument'
20 
21 #if defined(__clang__)
22 #pragma clang diagnostic ignored "-Wtautological-compare"
23 #endif
24 
25 template <std::size_t N>
26 void test_char_pointer_ctor()
27 {
28     {
29     try
30     {
31         std::bitset<N> v("xxx1010101010xxxx");
32         assert(false);
33     }
34     catch (std::invalid_argument&)
35     {
36     }
37     }
38 
39     {
40     const char str[] ="1010101010";
41     std::bitset<N> v(str);
42     std::size_t M = std::min<std::size_t>(N, 10);
43     for (std::size_t i = 0; i < M; ++i)
44         assert(v[i] == (str[M - 1 - i] == '1'));
45     for (std::size_t i = 10; i < N; ++i)
46         assert(v[i] == false);
47     }
48 }
49 
50 int main()
51 {
52     test_char_pointer_ctor<0>();
53     test_char_pointer_ctor<1>();
54     test_char_pointer_ctor<31>();
55     test_char_pointer_ctor<32>();
56     test_char_pointer_ctor<33>();
57     test_char_pointer_ctor<63>();
58     test_char_pointer_ctor<64>();
59     test_char_pointer_ctor<65>();
60     test_char_pointer_ctor<1000>();
61 }
62