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f1717362 | 1 | // Copyright (C) 2004-2016 Free Software Foundation, Inc. |
c3527bb1 | 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 | |
6bc9506f | 6 | // Free Software Foundation; either version 3, or (at your option) |
c3527bb1 | 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 | |
6bc9506f | 15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
c3527bb1 | 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 | { | |
26 | bool test __attribute__((unused)) = true; | |
27 | std::wstring str_01; | |
28 | const std::wstring str_02(L"coltrane playing 'softly as a morning sunrise'"); | |
29 | const std::wstring str_03(L"coltrane"); | |
30 | ||
31 | std::wstringbuf isbuf_01(std::ios_base::in); | |
32 | std::wstringbuf isbuf_02(str_02, std::ios_base::in); | |
e4bb1925 | 33 | std::wistream is_01(0); |
c3527bb1 | 34 | std::wistream is_02(&isbuf_02); |
35 | ||
36 | std::ios_base::iostate state1, state2, statefail; | |
37 | statefail = std::ios_base::failbit; | |
38 | ||
39 | // template<_CharT, _Traits> | |
40 | // basic_istream& operator>>(istream&, _CharT*) | |
41 | int n = 20; | |
42 | wchar_t array1[n]; | |
43 | typedef std::wios::traits_type ctraits_type; | |
44 | ||
45 | // testing with width() control enabled. | |
46 | is_02.width(8); | |
47 | state1 = is_02.rdstate(); | |
48 | is_02 >> array1; // should snake L"coltran" | |
49 | state2 = is_02.rdstate(); | |
50 | VERIFY( state1 == state2 ); | |
51 | VERIFY( !ctraits_type::compare(array1, L"coltran", 7) ); | |
52 | ||
53 | is_02.width(1); | |
54 | state1 = is_02.rdstate(); | |
55 | is_02 >> array1; // should snake nothing, set failbit | |
56 | state2 = is_02.rdstate(); | |
57 | VERIFY( state1 != state2 ); | |
58 | VERIFY( state2 == statefail ); | |
59 | VERIFY( array1[0] == L'\0' ); | |
60 | ||
61 | is_02.width(8); | |
62 | is_02.clear(); | |
63 | state1 = is_02.rdstate(); | |
64 | VERIFY( !state1 ); | |
65 | is_02 >> array1; // should snake L"e" | |
66 | state2 = is_02.rdstate(); | |
67 | VERIFY( state1 == state2 ); | |
68 | VERIFY( !ctraits_type::compare(array1, L"e", 1) ); | |
69 | ||
70 | // testing for correct exception setting | |
71 | const std::wstring str_04(L" impulse!!"); | |
72 | std::wstringbuf isbuf_03(str_04, std::ios_base::in); | |
73 | std::wstringbuf isbuf_04(str_04, std::ios_base::in); | |
74 | std::wistream is_03(&isbuf_03); | |
75 | std::wistream is_04(&isbuf_04); | |
76 | ||
77 | is_03 >> array1; | |
78 | VERIFY( !ctraits_type::compare(array1, L"impulse!!", 10) ); | |
79 | VERIFY( is_03.rdstate() == std::ios_base::eofbit ); | |
80 | ||
81 | is_04.width(9); | |
82 | is_04 >> array1; | |
83 | VERIFY( !ctraits_type::compare(array1, L"impulse!", 9) ); | |
84 | VERIFY( !is_04.rdstate() ); | |
85 | } | |
86 | ||
87 | int main() | |
88 | { | |
89 | test01(); | |
90 | return 0; | |
91 | } |