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1 | // 981208 bkoz test functionality of basic_stringbuf for char_type == char |
2 | ||
7adcbafe | 3 | // Copyright (C) 1997-2022 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 | |
748086b7 JJ |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | #include <sstream> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | std::string str_01("mykonos. . . or what?"); | |
23cac885 | 24 | std::stringbuf strb_01(str_01); |
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25 | |
26 | // test overloaded virtual functions | |
27 | void test04() | |
28 | { | |
23cac885 | 29 | std::string str_tmp; |
23cac885 | 30 | std::streamsize strmsz_1, strmsz_2; |
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31 | typedef std::stringbuf::int_type int_type; |
32 | typedef std::stringbuf::traits_type traits_type; | |
33 | typedef std::stringbuf::pos_type pos_type; | |
34 | typedef std::stringbuf::off_type off_type; | |
35 | ||
36 | int_type c1 = strb_01.sbumpc(); | |
567d4027 | 37 | int_type c2; |
23cac885 | 38 | |
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39 | // BUFFER MANAGEMENT & POSITIONING |
40 | ||
41 | // seekoff | |
42 | // pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which) | |
43 | // alters the stream position to off | |
44 | pos_type pt_1(off_type(-1)); | |
45 | pos_type pt_2(off_type(0)); | |
46 | off_type off_1 = 0; | |
47 | off_type off_2 = 0; | |
48 | strb_01.str(str_01); //in|out ("mykonos. . . or what?"); | |
0a162bde | 49 | |
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50 | //IN|OUT |
51 | //beg | |
52 | pt_1 = strb_01.pubseekoff(2, std::ios_base::beg); | |
4c4809c1 | 53 | off_1 = off_type(pt_1); |
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54 | VERIFY( off_1 >= 0 ); |
55 | c1 = strb_01.snextc(); //current in pointer +1 | |
56 | VERIFY( c1 == 'o' ); | |
57 | c2 = strb_01.sputc('x'); //test current out pointer | |
58 | str_tmp = std::string("myxonos. . . or what?"); | |
59 | VERIFY( strb_01.str() == str_tmp ); | |
60 | //cur | |
61 | pt_1 = strb_01.pubseekoff(2, std::ios_base::cur); | |
4c4809c1 | 62 | off_1 = off_type(pt_1); |
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63 | VERIFY( off_1 == -1 ); // can't seekoff for in and out + cur in sstreams |
64 | pt_1 = strb_01.pubseekoff(2, std::ios_base::cur, std::ios_base::in); | |
4c4809c1 | 65 | off_1 = off_type(pt_1); |
23cac885 | 66 | pt_2 = strb_01.pubseekoff(2, std::ios_base::cur, std::ios_base::in); |
4c4809c1 | 67 | off_2 = off_type(pt_2); |
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68 | VERIFY( off_2 == off_1 + 2 ); |
69 | c1 = strb_01.snextc(); //current in pointer + 1 | |
70 | VERIFY( c1 == ' ' ); | |
71 | c2 = strb_01.sputc('x'); //test current out pointer | |
72 | str_tmp = std::string("myxxnos. . . or what?"); | |
73 | VERIFY( strb_01.str() == str_tmp ); | |
74 | //end | |
75 | pt_2 = strb_01.pubseekoff(2, std::ios_base::end); | |
4c4809c1 | 76 | off_1 = off_type(pt_2); |
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77 | VERIFY( off_1 == -1 ); // not a valid position |
78 | VERIFY( strb_01.str() == str_tmp ); | |
79 | // end part two (from the filebuf tests) | |
80 | strb_01.pubseekoff(0, std::ios_base::end); | |
81 | strmsz_1 = strb_01.in_avail(); // 0 cuz at the end | |
82 | c1 = strb_01.sgetc(); | |
83 | c2 = strb_01.sungetc(); | |
84 | strmsz_2 = strb_01.in_avail(); // 1 | |
567d4027 | 85 | strb_01.sgetc(); |
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86 | VERIFY( c1 != c2 ); |
87 | VERIFY( strmsz_2 != strmsz_1 ); | |
88 | VERIFY( strmsz_2 == 1 ); | |
89 | // end part three | |
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90 | str_tmp = " ravi shankar meets carlos santana in LoHa "; |
91 | str_tmp += str_tmp; | |
23cac885 | 92 | strmsz_1 = strb_01.str().size(); |
b5988229 | 93 | strmsz_2 = strb_01.sputn(str_tmp.c_str(), str_tmp.size()); |
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94 | strb_01.pubseekoff(0, std::ios_base::end); |
95 | strb_01.sputc('<'); | |
96 | str_tmp = strb_01.str(); | |
11f10e6b | 97 | VERIFY(static_cast<std::streamsize>(str_tmp.size()) == strmsz_1 + strmsz_2 + 1); |
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98 | // IN |
99 | // OUT | |
100 | } | |
101 | ||
102 | int main() | |
103 | { | |
104 | test04(); | |
105 | return 0; | |
106 | } | |
107 | ||
108 | ||
109 | ||
110 | // more candy!!! |