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 // double stod(const string& str, size_t *idx = 0);
13 // double stod(const wstring& str, size_t *idx = 0);
14
15 #include <string>
16 #include <cmath>
17 #include <cassert>
18
19 #include "test_macros.h"
20
main()21 int main()
22 {
23 assert(std::stod("0") == 0);
24 assert(std::stod(L"0") == 0);
25 assert(std::stod("-0") == 0);
26 assert(std::stod(L"-0") == 0);
27 assert(std::stod("-10") == -10);
28 assert(std::stod(L"-10.5") == -10.5);
29 assert(std::stod(" 10") == 10);
30 assert(std::stod(L" 10") == 10);
31 size_t idx = 0;
32 assert(std::stod("10g", &idx) == 10);
33 assert(idx == 2);
34 idx = 0;
35 assert(std::stod(L"10g", &idx) == 10);
36 assert(idx == 2);
37 #ifndef TEST_HAS_NO_EXCEPTIONS
38 try
39 #endif
40 {
41 assert(std::stod("1.e60", &idx) == 1.e60);
42 assert(idx == 5);
43 }
44 #ifndef TEST_HAS_NO_EXCEPTIONS
45 catch (const std::out_of_range&)
46 {
47 assert(false);
48 }
49 try
50 #endif
51 {
52 assert(std::stod(L"1.e60", &idx) == 1.e60);
53 assert(idx == 5);
54 }
55 #ifndef TEST_HAS_NO_EXCEPTIONS
56 catch (const std::out_of_range&)
57 {
58 assert(false);
59 }
60 idx = 0;
61 try
62 {
63 assert(std::stod("1.e360", &idx) == INFINITY);
64 assert(false);
65 }
66 catch (const std::out_of_range&)
67 {
68 assert(idx == 0);
69 }
70 try
71 {
72 assert(std::stod(L"1.e360", &idx) == INFINITY);
73 assert(false);
74 }
75 catch (const std::out_of_range&)
76 {
77 assert(idx == 0);
78 }
79 try
80 #endif
81 {
82 assert(std::stod("INF", &idx) == INFINITY);
83 assert(idx == 3);
84 }
85 #ifndef TEST_HAS_NO_EXCEPTIONS
86 catch (const std::out_of_range&)
87 {
88 assert(false);
89 }
90 #endif
91 idx = 0;
92 #ifndef TEST_HAS_NO_EXCEPTIONS
93 try
94 #endif
95 {
96 assert(std::stod(L"INF", &idx) == INFINITY);
97 assert(idx == 3);
98 }
99 #ifndef TEST_HAS_NO_EXCEPTIONS
100 catch (const std::out_of_range&)
101 {
102 assert(false);
103 }
104 #endif
105 idx = 0;
106 #ifndef TEST_HAS_NO_EXCEPTIONS
107 try
108 #endif
109 {
110 assert(std::isnan(std::stod("NAN", &idx)));
111 assert(idx == 3);
112 }
113 #ifndef TEST_HAS_NO_EXCEPTIONS
114 catch (const std::out_of_range&)
115 {
116 assert(false);
117 }
118 #endif
119 idx = 0;
120 #ifndef TEST_HAS_NO_EXCEPTIONS
121 try
122 #endif
123 {
124 assert(std::isnan(std::stod(L"NAN", &idx)));
125 assert(idx == 3);
126 }
127 #ifndef TEST_HAS_NO_EXCEPTIONS
128 catch (const std::out_of_range&)
129 {
130 assert(false);
131 }
132 idx = 0;
133 try
134 {
135 std::stod("", &idx);
136 assert(false);
137 }
138 catch (const std::invalid_argument&)
139 {
140 assert(idx == 0);
141 }
142 try
143 {
144 std::stod(L"", &idx);
145 assert(false);
146 }
147 catch (const std::invalid_argument&)
148 {
149 assert(idx == 0);
150 }
151 try
152 {
153 std::stod(" - 8", &idx);
154 assert(false);
155 }
156 catch (const std::invalid_argument&)
157 {
158 assert(idx == 0);
159 }
160 try
161 {
162 std::stod(L" - 8", &idx);
163 assert(false);
164 }
165 catch (const std::invalid_argument&)
166 {
167 assert(idx == 0);
168 }
169 try
170 {
171 std::stod("a1", &idx);
172 assert(false);
173 }
174 catch (const std::invalid_argument&)
175 {
176 assert(idx == 0);
177 }
178 try
179 {
180 std::stod(L"a1", &idx);
181 assert(false);
182 }
183 catch (const std::invalid_argument&)
184 {
185 assert(idx == 0);
186 }
187 #endif
188 }
189