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52066eae | 1 | // { dg-do run { target c++11 } } |
aded0ed0 | 2 | // { dg-require-string-conversions "" } |
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3 | // 2008-06-15 Paolo Carlini <paolo.carlini@oracle.com> |
4 | ||
a945c346 | 5 | // Copyright (C) 2008-2024 Free Software Foundation, Inc. |
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6 | // |
7 | // This file is part of the GNU ISO C++ Library. This library is free | |
8 | // software; you can redistribute it and/or modify it under the | |
9 | // terms of the GNU General Public License as published by the | |
748086b7 | 10 | // Free Software Foundation; either version 3, or (at your option) |
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11 | // any later version. |
12 | ||
13 | // This library is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License along | |
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19 | // with this library; see the file COPYING3. If not see |
20 | // <http://www.gnu.org/licenses/>. | |
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21 | |
22 | // 21.4 Numeric Conversions [string.conversions] | |
23 | ||
24 | #include <string> | |
25 | #include <limits> | |
26 | #include <stdexcept> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | void | |
30 | test01() | |
31 | { | |
23c64853 | 32 | #if _GLIBCXX_USE_C99_WCHAR |
7364f286 | 33 | |
118c8424 | 34 | bool test = false; |
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35 | using namespace std; |
36 | ||
37 | try | |
38 | { | |
39 | wstring one; | |
13feb023 | 40 | stof(one); |
7364f286 | 41 | } |
13feb023 | 42 | catch(const std::invalid_argument&) |
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43 | { |
44 | test = true; | |
45 | } | |
46 | catch(...) | |
47 | { | |
48 | } | |
49 | VERIFY( test ); | |
50 | ||
51 | test = false; | |
52 | try | |
53 | { | |
54 | wstring one(L"a"); | |
13feb023 | 55 | stof(one); |
7364f286 | 56 | } |
13feb023 | 57 | catch(const std::invalid_argument&) |
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58 | { |
59 | test = true; | |
60 | } | |
61 | catch(...) | |
62 | { | |
63 | } | |
64 | VERIFY( test ); | |
65 | ||
66 | float f1 = 0.0f; | |
67 | size_t idx1 = 0; | |
68 | try | |
69 | { | |
70 | wstring one(L"2.0a"); | |
13feb023 | 71 | f1 = stof(one, &idx1); |
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72 | } |
73 | catch(...) | |
74 | { | |
75 | test = false; | |
76 | } | |
77 | VERIFY( test ); | |
78 | VERIFY( f1 == 2.0f ); | |
79 | VERIFY( idx1 == 3 ); | |
80 | ||
81 | test = false; | |
82 | try | |
83 | { | |
84 | wstring one(L"1e"); | |
85 | one.append(2 * numeric_limits<float>::max_exponent10, L'9'); | |
86 | f1 = stof(one); | |
87 | } | |
13feb023 | 88 | catch(const std::out_of_range&) |
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89 | { |
90 | test = true; | |
91 | } | |
92 | catch(...) | |
93 | { | |
94 | } | |
95 | VERIFY( test ); | |
96 | VERIFY( f1 == 2.0f ); | |
97 | ||
98 | try | |
99 | { | |
100 | long double ld0 = numeric_limits<float>::max() / 100.0; | |
101 | wstring one(to_wstring(ld0)); | |
102 | stof(one); | |
103 | } | |
104 | catch(...) | |
105 | { | |
106 | test = false; | |
107 | } | |
108 | VERIFY( test ); | |
109 | ||
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110 | if ((numeric_limits<long double>::max() / 10000.0L) |
111 | > numeric_limits<float>::max()) | |
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112 | { |
113 | test = false; | |
114 | f1 = -1.0f; | |
115 | try | |
116 | { | |
117 | long double ld1 = numeric_limits<float>::max(); | |
118 | ld1 *= 100.0; | |
119 | wstring one(to_wstring(ld1)); | |
120 | f1 = stof(one); | |
121 | } | |
13feb023 | 122 | catch(const std::out_of_range&) |
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123 | { |
124 | test = true; | |
125 | } | |
126 | catch(...) | |
127 | { | |
128 | } | |
129 | VERIFY( test ); | |
130 | VERIFY( f1 == -1.0f ); | |
131 | } | |
132 | ||
133 | #endif | |
134 | } | |
135 | ||
136 | int main() | |
137 | { | |
138 | test01(); | |
139 | return 0; | |
140 | } |