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 bitset(string, pos, n, zero, one);
11
12 #include <bitset>
13 #include <cassert>
14 #include <algorithm> // for 'min' and 'max'
15 #include <stdexcept> // for 'invalid_argument'
16
17 #include "test_macros.h"
18
19 template <std::size_t N>
test_string_ctor()20 void test_string_ctor()
21 {
22 #ifndef TEST_HAS_NO_EXCEPTIONS
23 {
24 try {
25 std::string str("xxx1010101010xxxx");
26 std::bitset<N> v(str, str.size()+1, 10);
27 assert(false);
28 }
29 catch (std::out_of_range&)
30 {
31 }
32 }
33 {
34 try {
35 std::string str("xxx1010101010xxxx");
36 std::bitset<N> v(str, 2, 10);
37 assert(false);
38 }
39 catch (std::invalid_argument&)
40 {
41 }
42 }
43 {
44 try {
45 std::string str("xxxbababababaxxxx");
46 std::bitset<N> v(str, 2, 10, 'a', 'b');
47 assert(false);
48 }
49 catch (std::invalid_argument&)
50 {
51 }
52 }
53 #endif // TEST_HAS_NO_EXCEPTIONS
54 {
55 std::string str("xxx1010101010xxxx");
56 std::bitset<N> v(str, 3, 10);
57 std::size_t M = std::min<std::size_t>(N, 10);
58 for (std::size_t i = 0; i < M; ++i)
59 assert(v[i] == (str[3 + M - 1 - i] == '1'));
60 for (std::size_t i = 10; i < N; ++i)
61 assert(v[i] == false);
62 }
63 {
64 std::string str("xxxbababababaxxxx");
65 std::bitset<N> v(str, 3, 10, 'a', 'b');
66 std::size_t M = std::min<std::size_t>(N, 10);
67 for (std::size_t i = 0; i < M; ++i)
68 assert(v[i] == (str[3 + M - 1 - i] == 'b'));
69 for (std::size_t i = 10; i < N; ++i)
70 assert(v[i] == false);
71 }
72 }
73
main()74 int main()
75 {
76 test_string_ctor<0>();
77 test_string_ctor<1>();
78 test_string_ctor<31>();
79 test_string_ctor<32>();
80 test_string_ctor<33>();
81 test_string_ctor<63>();
82 test_string_ctor<64>();
83 test_string_ctor<65>();
84 test_string_ctor<1000>();
85 }
86