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1 | // 2003-05-20 Paolo Carlini <pcarlini@unitus.it> |
2 | ||
3 | // Copyright (C) 2003 Free Software Foundation, Inc. | |
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 | |
8 | // Free Software Foundation; either version 2, or (at your option) | |
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 | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | // 27.8.1.3 filebuf member functions | |
22 | // @require@ %-*.tst %-*.txt | |
23 | // @diff@ %-*.tst %-*.txt | |
24 | ||
25 | // Test that upon filebuf::close() 27.8.1.1,3 is enforced. | |
26 | ||
27 | #include <fstream> | |
28 | #include <testsuite_hooks.h> | |
29 | ||
30 | const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it | |
31 | const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create | |
32 | ||
33 | bool overflow_called; | |
34 | bool underflow_called; | |
35 | bool uflow_called; | |
36 | ||
37 | class Close_filebuf : public std::filebuf | |
38 | { | |
39 | public: | |
40 | int_type overflow(int_type c) | |
41 | { | |
42 | overflow_called = true; | |
43 | return std::filebuf::overflow(c); | |
44 | } | |
45 | ||
46 | int_type underflow() | |
47 | { | |
48 | underflow_called = true; | |
49 | return std::filebuf::underflow(); | |
50 | } | |
51 | ||
52 | int_type uflow() | |
53 | { | |
54 | uflow_called = true; | |
55 | return std::filebuf::uflow(); | |
56 | } | |
57 | }; | |
58 | ||
59 | void test_05() | |
60 | { | |
11f10e6b | 61 | bool test __attribute__((unused)) = true; |
80416931 PC |
62 | |
63 | Close_filebuf fb_01, fb_02; | |
64 | char buffer[] = "xxxxxxxxxx"; | |
65 | ||
66 | // 'in' | |
67 | fb_01.open(name_01, std::ios_base::in); | |
68 | fb_01.sgetc(); | |
69 | ||
70 | fb_01.close(); | |
71 | ||
72 | underflow_called = false; | |
73 | fb_01.sgetc(); | |
74 | VERIFY( underflow_called == true ); | |
75 | ||
76 | uflow_called = false; | |
77 | fb_01.sbumpc(); | |
78 | VERIFY( uflow_called == true ); | |
79 | ||
80 | uflow_called = false; | |
81 | fb_01.snextc(); | |
82 | VERIFY( uflow_called == true ); | |
83 | ||
84 | uflow_called = false; | |
85 | fb_01.sgetn(buffer, sizeof(buffer)); | |
86 | VERIFY( uflow_called == true ); | |
87 | ||
88 | // 'out' | |
89 | fb_02.open(name_02, std::ios_base::out); | |
90 | ||
91 | fb_02.close(); | |
92 | ||
93 | overflow_called = false; | |
94 | fb_02.sputc('T'); | |
95 | VERIFY( overflow_called == true ); | |
96 | ||
97 | overflow_called = false; | |
98 | fb_02.sputn(buffer, sizeof(buffer)); | |
99 | VERIFY( overflow_called == true ); | |
100 | } | |
101 | ||
102 | int | |
103 | main() | |
104 | { | |
105 | test_05(); | |
106 | return 0; | |
107 | } |