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 // <string>
11
12 // int stoi(const string& str, size_t *idx = 0, int base = 10);
13 // int stoi(const wstring& str, size_t *idx = 0, int base = 10);
14
15 #include <string>
16 #include <cassert>
17
18 #include "test_macros.h"
19
main()20 int main()
21 {
22 assert(std::stoi("0") == 0);
23 assert(std::stoi(L"0") == 0);
24 assert(std::stoi("-0") == 0);
25 assert(std::stoi(L"-0") == 0);
26 assert(std::stoi("-10") == -10);
27 assert(std::stoi(L"-10") == -10);
28 assert(std::stoi(" 10") == 10);
29 assert(std::stoi(L" 10") == 10);
30 size_t idx = 0;
31 assert(std::stoi("10g", &idx, 16) == 16);
32 assert(idx == 2);
33 idx = 0;
34 assert(std::stoi(L"10g", &idx, 16) == 16);
35 assert(idx == 2);
36 #ifndef TEST_HAS_NO_EXCEPTIONS
37 if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max())
38 {
39 try
40 {
41 std::stoi("0x100000000", &idx, 16);
42 assert(false);
43 }
44 catch (const std::out_of_range&)
45 {
46 }
47 try
48 {
49 std::stoi(L"0x100000000", &idx, 16);
50 assert(false);
51 }
52 catch (const std::out_of_range&)
53 {
54 }
55 }
56 idx = 0;
57 try
58 {
59 std::stoi("", &idx);
60 assert(false);
61 }
62 catch (const std::invalid_argument&)
63 {
64 assert(idx == 0);
65 }
66 try
67 {
68 std::stoi(L"", &idx);
69 assert(false);
70 }
71 catch (const std::invalid_argument&)
72 {
73 assert(idx == 0);
74 }
75 try
76 {
77 std::stoi(" - 8", &idx);
78 assert(false);
79 }
80 catch (const std::invalid_argument&)
81 {
82 assert(idx == 0);
83 }
84 try
85 {
86 std::stoi(L" - 8", &idx);
87 assert(false);
88 }
89 catch (const std::invalid_argument&)
90 {
91 assert(idx == 0);
92 }
93 try
94 {
95 std::stoi("a1", &idx);
96 assert(false);
97 }
98 catch (const std::invalid_argument&)
99 {
100 assert(idx == 0);
101 }
102 try
103 {
104 std::stoi(L"a1", &idx);
105 assert(false);
106 }
107 catch (const std::invalid_argument&)
108 {
109 assert(idx == 0);
110 }
111 #endif
112 }
113