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 #if defined(TEST_COMPILER_C1XX)
20 #pragma warning(disable: 6294) // Ill-defined for-loop: initial condition does not satisfy test. Loop body not executed.
21 #endif
22
23 template <std::size_t N>
test_string_ctor()24 void test_string_ctor()
25 {
26 #ifndef TEST_HAS_NO_EXCEPTIONS
27 {
28 try {
29 std::string str("xxx1010101010xxxx");
30 std::bitset<N> v(str, str.size()+1, 10);
31 assert(false);
32 }
33 catch (std::out_of_range&)
34 {
35 }
36 }
37 {
38 try {
39 std::string str("xxx1010101010xxxx");
40 std::bitset<N> v(str, 2, 10);
41 assert(false);
42 }
43 catch (std::invalid_argument&)
44 {
45 }
46 }
47 {
48 try {
49 std::string str("xxxbababababaxxxx");
50 std::bitset<N> v(str, 2, 10, 'a', 'b');
51 assert(false);
52 }
53 catch (std::invalid_argument&)
54 {
55 }
56 }
57 #endif // TEST_HAS_NO_EXCEPTIONS
58 {
59 std::string str("xxx1010101010xxxx");
60 std::bitset<N> v(str, 3, 10);
61 std::size_t M = std::min<std::size_t>(N, 10);
62 for (std::size_t i = 0; i < M; ++i)
63 assert(v[i] == (str[3 + M - 1 - i] == '1'));
64 for (std::size_t i = 10; i < N; ++i)
65 assert(v[i] == false);
66 }
67 {
68 std::string str("xxxbababababaxxxx");
69 std::bitset<N> v(str, 3, 10, 'a', 'b');
70 std::size_t M = std::min<std::size_t>(N, 10);
71 for (std::size_t i = 0; i < M; ++i)
72 assert(v[i] == (str[3 + M - 1 - i] == 'b'));
73 for (std::size_t i = 10; i < N; ++i)
74 assert(v[i] == false);
75 }
76 }
77
main()78 int main()
79 {
80 test_string_ctor<0>();
81 test_string_ctor<1>();
82 test_string_ctor<31>();
83 test_string_ctor<32>();
84 test_string_ctor<33>();
85 test_string_ctor<63>();
86 test_string_ctor<64>();
87 test_string_ctor<65>();
88 test_string_ctor<1000>();
89 }
90