1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // template <class charT>
10 //     explicit bitset(const charT* str,
11 //                     typename basic_string<charT>::size_type n = basic_string<charT>::npos,
12 //                     charT zero = charT('0'), charT one = charT('1'));
13 
14 #include <bitset>
15 #include <cassert>
16 #include <algorithm> // for 'min' and 'max'
17 #include <stdexcept> // for 'invalid_argument'
18 
19 #include "test_macros.h"
20 
21 #ifdef TEST_COMPILER_MSVC
22 #pragma warning(disable: 6294) // Ill-defined for-loop:  initial condition does not satisfy test.  Loop body not executed.
23 #endif
24 
25 template <std::size_t N>
26 void test_char_pointer_ctor()
27 {
28     {
29 #ifndef TEST_HAS_NO_EXCEPTIONS
30         try {
31             std::bitset<N> v("xxx1010101010xxxx");
32             assert(false);
33         }
34         catch (std::invalid_argument&) {}
35 #endif
36     }
37 
38     {
39     const char str[] = "1010101010";
40     std::bitset<N> v(str);
41     std::size_t M = std::min<std::size_t>(v.size(), 10);
42     for (std::size_t i = 0; i < M; ++i)
43         assert(v[i] == (str[M - 1 - i] == '1'));
44     for (std::size_t i = 10; i < v.size(); ++i)
45         assert(v[i] == false);
46     }
47 }
48 
49 int main(int, char**)
50 {
51     test_char_pointer_ctor<0>();
52     test_char_pointer_ctor<1>();
53     test_char_pointer_ctor<31>();
54     test_char_pointer_ctor<32>();
55     test_char_pointer_ctor<33>();
56     test_char_pointer_ctor<63>();
57     test_char_pointer_ctor<64>();
58     test_char_pointer_ctor<65>();
59     test_char_pointer_ctor<1000>();
60 
61   return 0;
62 }
63