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1 | // 1999-08-11 bkoz |
2 | ||
8d9254fc | 3 | // Copyright (C) 1999-2020 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 27.6.1.3 unformatted input functions | |
23cac885 | 21 | |
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22 | #include <istream> |
23 | #include <sstream> | |
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24 | #include <testsuite_hooks.h> |
25 | ||
26 | void | |
27 | test02() | |
28 | { | |
29 | typedef std::char_traits<char> traits_type; | |
30 | ||
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31 | const char str_lit01[] = "\t\t\t sun*ra \n" |
32 | " " | |
33 | "and his myth science arkestra present\n" | |
34 | " " | |
35 | "angles and demons @ play\n" | |
36 | " " | |
37 | "the nubians of plutonia"; | |
38 | std::string str01(str_lit01); | |
39 | std::string strtmp; | |
40 | ||
41 | std::stringbuf sbuf_04(str01, std::ios_base::in); | |
42 | ||
8fc81078 | 43 | std::istream is_00(0); |
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44 | std::istream is_04(&sbuf_04); |
45 | std::ios_base::iostate state1, state2, statefail, stateeof; | |
46 | statefail = std::ios_base::failbit; | |
47 | stateeof = std::ios_base::eofbit; | |
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48 | char carray1[400] = ""; |
49 | ||
50 | // istream& getline(char* s, streamsize n, char delim) | |
51 | // istream& getline(char* s, streamsize n) | |
52 | state1 = is_00.rdstate(); | |
53 | is_00.getline(carray1, 20, '*'); | |
54 | state2 = is_00.rdstate(); | |
55 | // make sure failbit was set, since we couldn't extract | |
8fc81078 | 56 | // from the null streambuf... |
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57 | VERIFY( state1 != state2 ); |
58 | VERIFY( static_cast<bool>(state2 & statefail) ); | |
59 | ||
60 | VERIFY( is_04.gcount() == 0 ); | |
61 | state1 = is_04.rdstate(); | |
62 | is_04.getline(carray1, 1, '\t'); // extracts, throws away | |
63 | state2 = is_04.rdstate(); | |
64 | VERIFY( is_04.gcount() == 1 ); | |
65 | VERIFY( state1 == state2 ); | |
66 | VERIFY( state1 == 0 ); | |
67 | VERIFY( !traits_type::compare("", carray1, 1) ); | |
68 | ||
69 | state1 = is_04.rdstate(); | |
70 | is_04.getline(carray1, 20, '*'); | |
71 | state2 = is_04.rdstate(); | |
72 | VERIFY( is_04.gcount() == 10 ); | |
73 | VERIFY( state1 == state2 ); | |
74 | VERIFY( state1 == 0 ); | |
75 | VERIFY( !traits_type::compare("\t\t sun", carray1, 10) ); | |
76 | ||
77 | state1 = is_04.rdstate(); | |
78 | is_04.getline(carray1, 20); | |
79 | state2 = is_04.rdstate(); | |
80 | VERIFY( is_04.gcount() == 4 ); | |
81 | VERIFY( state1 == state2 ); | |
82 | VERIFY( state1 == 0 ); | |
83 | VERIFY( !traits_type::compare("ra ", carray1, 4) ); | |
84 | ||
85 | state1 = is_04.rdstate(); | |
86 | is_04.getline(carray1, 65); | |
87 | state2 = is_04.rdstate(); | |
88 | VERIFY( is_04.gcount() == 64 ); | |
89 | VERIFY( state1 != state2 ); | |
90 | VERIFY( state2 == statefail ); | |
91 | VERIFY( !traits_type::compare( | |
92 | " and his myth science arkestra presen", | |
93 | carray1, 65) ); | |
94 | ||
95 | is_04.clear(); | |
96 | state1 = is_04.rdstate(); | |
97 | is_04.getline(carray1, 120, '|'); | |
98 | state2 = is_04.rdstate(); | |
99 | VERIFY( is_04.gcount() == 106 ); | |
100 | VERIFY( state1 != state2 ); | |
101 | VERIFY( state2 == stateeof ); | |
102 | ||
103 | is_04.clear(); | |
104 | state1 = is_04.rdstate(); | |
105 | is_04.getline(carray1, 100, '|'); | |
106 | state2 = is_04.rdstate(); | |
107 | VERIFY( is_04.gcount() == 0 ); | |
108 | VERIFY( state1 != state2 ); | |
109 | VERIFY( static_cast<bool>(state2 & stateeof) ); | |
110 | VERIFY( static_cast<bool>(state2 & statefail) ); | |
111 | } | |
112 | ||
113 | int | |
114 | main() | |
115 | { | |
116 | test02(); | |
117 | return 0; | |
118 | } |