]>
Commit | Line | Data |
---|---|---|
8d9254fc | 1 | // Copyright (C) 2004-2020 Free Software Foundation, Inc. |
cfc45d90 PC |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
cfc45d90 PC |
7 | // any later version. |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
cfc45d90 PC |
17 | |
18 | // 27.6.1.2.3 character extractors | |
19 | ||
20 | #include <istream> | |
21 | #include <sstream> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | void test01() | |
25 | { | |
cfc45d90 PC |
26 | std::wstring str_01; |
27 | const std::wstring str_02(L"coltrane playing 'softly as a morning sunrise'"); | |
28 | const std::wstring str_03(L"coltrane"); | |
29 | ||
30 | std::wstringbuf isbuf_01(std::ios_base::in); | |
31 | std::wstringbuf isbuf_02(str_02, std::ios_base::in); | |
8fc81078 | 32 | std::wistream is_01(0); |
cfc45d90 PC |
33 | std::wistream is_02(&isbuf_02); |
34 | ||
35 | std::ios_base::iostate state1, state2, statefail; | |
36 | statefail = std::ios_base::failbit; | |
37 | ||
38 | // template<_CharT, _Traits> | |
39 | // basic_istream& operator>>(istream&, _CharT*) | |
40 | int n = 20; | |
41 | wchar_t array1[n]; | |
42 | typedef std::wios::traits_type ctraits_type; | |
43 | ||
44 | // testing with width() control enabled. | |
45 | is_02.width(8); | |
46 | state1 = is_02.rdstate(); | |
47 | is_02 >> array1; // should snake L"coltran" | |
48 | state2 = is_02.rdstate(); | |
49 | VERIFY( state1 == state2 ); | |
50 | VERIFY( !ctraits_type::compare(array1, L"coltran", 7) ); | |
51 | ||
52 | is_02.width(1); | |
53 | state1 = is_02.rdstate(); | |
54 | is_02 >> array1; // should snake nothing, set failbit | |
55 | state2 = is_02.rdstate(); | |
56 | VERIFY( state1 != state2 ); | |
57 | VERIFY( state2 == statefail ); | |
58 | VERIFY( array1[0] == L'\0' ); | |
59 | ||
60 | is_02.width(8); | |
61 | is_02.clear(); | |
62 | state1 = is_02.rdstate(); | |
63 | VERIFY( !state1 ); | |
64 | is_02 >> array1; // should snake L"e" | |
65 | state2 = is_02.rdstate(); | |
66 | VERIFY( state1 == state2 ); | |
67 | VERIFY( !ctraits_type::compare(array1, L"e", 1) ); | |
68 | ||
69 | // testing for correct exception setting | |
70 | const std::wstring str_04(L" impulse!!"); | |
71 | std::wstringbuf isbuf_03(str_04, std::ios_base::in); | |
72 | std::wstringbuf isbuf_04(str_04, std::ios_base::in); | |
73 | std::wistream is_03(&isbuf_03); | |
74 | std::wistream is_04(&isbuf_04); | |
75 | ||
76 | is_03 >> array1; | |
77 | VERIFY( !ctraits_type::compare(array1, L"impulse!!", 10) ); | |
78 | VERIFY( is_03.rdstate() == std::ios_base::eofbit ); | |
79 | ||
80 | is_04.width(9); | |
81 | is_04 >> array1; | |
82 | VERIFY( !ctraits_type::compare(array1, L"impulse!", 9) ); | |
83 | VERIFY( !is_04.rdstate() ); | |
84 | } | |
85 | ||
86 | int main() | |
87 | { | |
88 | test01(); | |
89 | return 0; | |
90 | } |