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7364f286 | 1 | // { dg-options "-std=gnu++0x" } |
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2 | // { dg-require-string-conversions "" } |
3 | ||
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4 | // 2008-06-15 Paolo Carlini <paolo.carlini@oracle.com> |
5 | ||
aa118a03 | 6 | // Copyright (C) 2008-2014 Free Software Foundation, Inc. |
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7 | // |
8 | // This file is part of the GNU ISO C++ Library. This library is free | |
9 | // software; you can redistribute it and/or modify it under the | |
10 | // terms of the GNU General Public License as published by the | |
748086b7 | 11 | // Free Software Foundation; either version 3, or (at your option) |
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12 | // any later version. |
13 | ||
14 | // This library is distributed in the hope that it will be useful, | |
15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | // GNU General Public License for more details. | |
18 | ||
19 | // You should have received a copy of the GNU General Public License along | |
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20 | // with this library; see the file COPYING3. If not see |
21 | // <http://www.gnu.org/licenses/>. | |
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22 | |
23 | // 21.4 Numeric Conversions [string.conversions] | |
24 | ||
25 | #include <string> | |
26 | #include <limits> | |
27 | #include <stdexcept> | |
28 | #include <testsuite_hooks.h> | |
29 | ||
30 | void | |
31 | test01() | |
32 | { | |
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33 | bool test __attribute__((unused)) = false; |
34 | using namespace std; | |
35 | ||
36 | try | |
37 | { | |
38 | string one; | |
39 | stof(one); | |
40 | } | |
41 | catch(std::invalid_argument) | |
42 | { | |
43 | test = true; | |
44 | } | |
45 | catch(...) | |
46 | { | |
47 | } | |
48 | VERIFY( test ); | |
49 | ||
50 | test = false; | |
51 | try | |
52 | { | |
53 | string one("a"); | |
54 | stof(one); | |
55 | } | |
56 | catch(std::invalid_argument) | |
57 | { | |
58 | test = true; | |
59 | } | |
60 | catch(...) | |
61 | { | |
62 | } | |
63 | VERIFY( test ); | |
64 | ||
65 | float f1 = 0.0f; | |
66 | size_t idx1 = 0; | |
67 | try | |
68 | { | |
69 | string one("2.0a"); | |
70 | f1 = stof(one, &idx1); | |
71 | } | |
72 | catch(...) | |
73 | { | |
74 | test = false; | |
75 | } | |
76 | VERIFY( test ); | |
77 | VERIFY( f1 == 2.0f ); | |
78 | VERIFY( idx1 == 3 ); | |
79 | ||
80 | test = false; | |
81 | try | |
82 | { | |
83 | string one("1e"); | |
84 | one.append(2 * numeric_limits<float>::max_exponent10, '9'); | |
85 | f1 = stof(one); | |
86 | } | |
87 | catch(std::out_of_range) | |
88 | { | |
89 | test = true; | |
90 | } | |
91 | catch(...) | |
92 | { | |
93 | } | |
94 | VERIFY( test ); | |
95 | VERIFY( f1 == 2.0f ); | |
96 | ||
97 | try | |
98 | { | |
99 | long double ld0 = numeric_limits<float>::max() / 100.0; | |
100 | string one(to_string(ld0)); | |
101 | stof(one); | |
102 | } | |
103 | catch(...) | |
104 | { | |
105 | test = false; | |
106 | } | |
107 | VERIFY( test ); | |
108 | ||
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109 | if ((numeric_limits<long double>::max() / 10000.0L) |
110 | > numeric_limits<float>::max()) | |
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111 | { |
112 | test = false; | |
113 | f1 = -1.0f; | |
114 | try | |
115 | { | |
116 | long double ld1 = numeric_limits<float>::max(); | |
117 | ld1 *= 100.0; | |
118 | string one(to_string(ld1)); | |
119 | f1 = stof(one); | |
120 | } | |
121 | catch(std::out_of_range) | |
122 | { | |
123 | test = true; | |
124 | } | |
125 | catch(...) | |
126 | { | |
127 | } | |
128 | VERIFY( test ); | |
129 | VERIFY( f1 == -1.0f ); | |
130 | } | |
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131 | } |
132 | ||
133 | int main() | |
134 | { | |
135 | test01(); | |
136 | return 0; | |
137 | } |