// 1999-07-26 bkoz
// Copyright (C) 1999-2014 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// .
// 27.6.1.2.3 character extractors
#include
#include
#include
void test01()
{
bool test __attribute__((unused)) = true;
std::string str_01;
const std::string str_02("coltrane playing 'softly as a morning sunrise'");
const std::string str_03("coltrane");
std::stringbuf isbuf_01(std::ios_base::in);
std::stringbuf isbuf_02(str_02, std::ios_base::in);
std::istream is_01(0);
std::istream is_02(&isbuf_02);
std::ios_base::iostate state1, state2, statefail;
statefail = std::ios_base::failbit;
// template<_CharT, _Traits>
// basic_istream& operator>>(istream&, _CharT*)
const int n = 20;
char array1[n];
array1[0] = '\0';
typedef std::ios::traits_type ctraits_type;
ctraits_type::int_type i1, i2;
state1 = is_01.rdstate();
i1 = ctraits_type::length(array1);
is_01 >> array1; // should snake 0 characters, not alter stream state
i2 = ctraits_type::length(array1);
state2 = is_01.rdstate();
VERIFY( i1 == i2 );
VERIFY( state1 != state2 );
VERIFY( static_cast(state2 & statefail) );
state1 = is_02.rdstate();
is_02 >> array1; // should snake "coltrane"
state2 = is_02.rdstate();
VERIFY( state1 == state2 );
VERIFY( !static_cast(state2 & statefail) );
VERIFY( array1[str_03.size() - 1] == 'e' );
array1[str_03.size()] = '\0';
VERIFY( !str_03.compare(0, str_03.size(), array1) );
std::istream::int_type int1 = is_02.peek(); // should be ' '
VERIFY( int1 == ' ' );
state1 = is_02.rdstate();
is_02 >> array1; // should snake "playing" as sentry "eats" ws
state2 = is_02.rdstate();
int1 = is_02.peek(); // should be ' '
VERIFY( int1 == ' ' );
VERIFY( state1 == state2 );
VERIFY( !static_cast(state2 & statefail) );
// template<_CharT, _Traits>
// basic_istream& operator>>(istream&, unsigned char*)
unsigned char array2[n];
state1 = is_02.rdstate();
is_02 >> array2; // should snake 'softly
state2 = is_02.rdstate();
VERIFY( state1 == state2 );
VERIFY( !static_cast(state2 & statefail) );
VERIFY( array2[0] == '\'' );
VERIFY( array2[1] == 's' );
VERIFY( array2[6] == 'y' );
int1 = is_02.peek(); // should be ' '
VERIFY( int1 == ' ' );
// template<_CharT, _Traits>
// basic_istream& operator>>(istream&, signed char*)
signed char array3[n];
state1 = is_02.rdstate();
is_02 >> array3; // should snake "as"
state2 = is_02.rdstate();
VERIFY( state1 == state2 );
VERIFY( !static_cast(state2 & statefail) );
VERIFY( array3[0] == 'a' );
VERIFY( array3[1] == 's' );
int1 = is_02.peek(); // should be ' '
VERIFY( int1 == ' ' );
}
int main()
{
test01();
return 0;
}