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8d9254fc 1// Copyright (C) 2004-2020 Free Software Foundation, Inc.
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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)
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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
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15// with this library; see the file COPYING3. If not see
16// <http://www.gnu.org/licenses/>.
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17
18// 27.6.1.3 unformatted input functions
19
20#include <istream>
21#include <sstream>
22#include <testsuite_hooks.h>
23
24void
25test01()
26{
27 typedef std::wios::traits_type traits_type;
28
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29 const std::wstring str_01;
30 const std::wstring str_02(L"soul eyes: john coltrane quartet");
31 std::wstring strtmp;
32
33 std::wstringbuf isbuf_03(str_02, std::ios_base::in);
34 std::wstringbuf isbuf_04(str_02, std::ios_base::in);
35
8fc81078 36 std::wistream is_00(0);
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37 std::wistream is_03(&isbuf_03);
38 std::wistream is_04(&isbuf_04);
567d4027 39 std::ios_base::iostate state1, state2;
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40
41 wchar_t carray[60] = L"";
42
43 // istream& ignore(streamsize n = 1, int_type delim = traits::eof())
44 is_04.read(carray, 9);
45 VERIFY( is_04.peek() == L':' );
46
47 state1 = is_04.rdstate();
48 is_04.ignore();
49 VERIFY( is_04.gcount() == 1 );
50 state2 = is_04.rdstate();
51 VERIFY( state1 == state2 );
52 VERIFY( is_04.peek() == L' ' );
53
54 state1 = is_04.rdstate();
55 is_04.ignore(0);
56 VERIFY( is_04.gcount() == 0 );
57 state2 = is_04.rdstate();
58 VERIFY( state1 == state2 );
59 VERIFY( is_04.peek() == L' ' );
60
61 state1 = is_04.rdstate();
62 is_04.ignore(5, traits_type::to_int_type(' '));
63 VERIFY( is_04.gcount() == 1 );
64 state2 = is_04.rdstate();
65 VERIFY( state1 == state2 );
66 VERIFY( is_04.peek() == L'j' );
67
68 // int_type peek()
69 state1 = is_04.rdstate();
70 VERIFY( is_04.peek() == L'j' );
71 VERIFY( is_04.gcount() == 0 );
72 state2 = is_04.rdstate();
73 VERIFY( state1 == state2 );
74
75 is_04.ignore(30);
76 state1 = is_04.rdstate();
77 VERIFY( is_04.peek() == traits_type::eof() );
78 VERIFY( is_04.gcount() == 0 );
79 state2 = is_04.rdstate();
80 VERIFY( state1 != state2 );
81}
82
83int
84main()
85{
86 test01();
87 return 0;
88}