182 lines
5.3 KiB
C++
182 lines
5.3 KiB
C++
// 1999-06-28 bkoz
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// Copyright (C) 1999, 2001, 2003 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// 24.5.3 template class istreambuf_iterator
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#include <sstream>
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#include <iterator>
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#include <testsuite_hooks.h>
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void test01()
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{
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using namespace std;
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// Check for required base class.
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typedef istreambuf_iterator<char> test_iterator;
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typedef char_traits<char>::off_type off_type;
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typedef iterator<input_iterator_tag, char, off_type, char*, char&> base_iterator;
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istringstream isstream("this tag");
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test_iterator r_it(isstream);
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base_iterator* base __attribute__((unused)) = &r_it;
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// Check for required typedefs
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typedef test_iterator::value_type value_type;
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typedef test_iterator::difference_type difference_type;
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typedef test_iterator::pointer pointer;
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typedef test_iterator::reference reference;
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typedef test_iterator::iterator_category iteratory_category;
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typedef test_iterator::char_type char_type;
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typedef test_iterator::traits_type traits_type;
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typedef test_iterator::istream_type istream_type;
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typedef test_iterator::streambuf_type streambuf_type;
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}
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bool test02(void)
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{
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typedef std::istreambuf_iterator<char> cistreambuf_iter;
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typedef cistreambuf_iter::streambuf_type cstreambuf_type;
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bool test __attribute__((unused)) = true;
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const char slit01[] = "playa hermosa, liberia, guanacaste";
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std::string str01(slit01);
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std::istringstream istrs00(str01);
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std::istringstream istrs01(str01);
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// ctor sanity checks
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cistreambuf_iter istrb_it01(istrs00);
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cistreambuf_iter istrb_it02;
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std::string tmp(istrb_it01, istrb_it02);
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VERIFY( tmp == str01 );
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cistreambuf_iter istrb_it03(0);
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cistreambuf_iter istrb_it04;
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VERIFY( istrb_it03 == istrb_it04 );
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cistreambuf_iter istrb_it05(istrs01);
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cistreambuf_iter istrb_it06(istrs01.rdbuf());
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VERIFY( istrb_it05 == istrb_it06 );
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// bool equal(istreambuf_iter& b)
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cistreambuf_iter istrb_it07(0);
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cistreambuf_iter istrb_it08;
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VERIFY( istrb_it07.equal(istrb_it08) );
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cistreambuf_iter istrb_it09(0);
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cistreambuf_iter istrb_it10;
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VERIFY( istrb_it10.equal(istrb_it09) );
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cistreambuf_iter istrb_it11(istrs01);
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cistreambuf_iter istrb_it12(istrs01.rdbuf());
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VERIFY( istrb_it11.equal(istrb_it12) );
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cistreambuf_iter istrb_it13(istrs01);
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cistreambuf_iter istrb_it14(istrs01.rdbuf());
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VERIFY( istrb_it14.equal(istrb_it13) );
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cistreambuf_iter istrb_it15(istrs01);
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cistreambuf_iter istrb_it16;
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VERIFY( !(istrb_it15.equal(istrb_it16)) );
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cistreambuf_iter istrb_it17(istrs01);
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cistreambuf_iter istrb_it18;
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VERIFY( !(istrb_it18.equal(istrb_it17)) );
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// bool operator==(const istreambuf_iterator&a, const istreambuf_iterator& b)
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// bool operator!=(const istreambuf_iterator&a, const istreambuf_iterator& b)
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cistreambuf_iter istrb_it19(0);
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cistreambuf_iter istrb_it20;
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VERIFY( istrb_it19 == istrb_it20 );
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cistreambuf_iter istrb_it21(istrs01);
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cistreambuf_iter istrb_it22(istrs01.rdbuf());
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VERIFY( istrb_it22 == istrb_it21 );
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cistreambuf_iter istrb_it23(istrs01);
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cistreambuf_iter istrb_it24;
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VERIFY( istrb_it23 != istrb_it24 );
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cistreambuf_iter istrb_it25(0);
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cistreambuf_iter istrb_it26(istrs01.rdbuf());
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VERIFY( istrb_it25 != istrb_it26 );
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// charT operator*() const
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// istreambuf_iterator& operator++();
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// istreambuf_iterator& operator++(int);
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cistreambuf_iter istrb_it27(istrs01.rdbuf());
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char c;
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for (std::size_t i = 0; i < sizeof(slit01) - 2; ++i)
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{
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c = *istrb_it27++;
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VERIFY( c == slit01[i] );
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}
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std::istringstream istrs02(str01);
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cistreambuf_iter istrb_it28(istrs02);
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for (std::size_t i = 0; i < sizeof(slit01) - 2;)
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{
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c = *++istrb_it28;
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VERIFY( c == slit01[++i] );
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}
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return test;
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}
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// libstdc++/2627
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void test03()
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{
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bool test __attribute__((unused)) = true;
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const std::string s("free the vieques");
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// 1
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std::string res_postfix;
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std::istringstream iss01(s);
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std::istreambuf_iterator<char> isbufit01(iss01);
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for (std::size_t j = 0; j < s.size(); ++j, isbufit01++)
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res_postfix += *isbufit01;
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// 2
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std::string res_prefix;
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std::istringstream iss02(s);
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std::istreambuf_iterator<char> isbufit02(iss02);
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for (std::size_t j = 0; j < s.size(); ++j, ++isbufit02)
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res_prefix += *isbufit02;
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// 3 mixed
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std::string res_mixed;
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std::istringstream iss03(s);
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std::istreambuf_iterator<char> isbufit03(iss03);
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for (std::size_t j = 0; j < (s.size() / 2); ++j)
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{
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res_mixed += *isbufit03;
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++isbufit03;
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res_mixed += *isbufit03;
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isbufit03++;
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}
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VERIFY ( res_postfix == res_prefix );
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VERIFY ( res_mixed == res_prefix );
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}
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int main()
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{
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test01();
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test02();
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test03();
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return 0;
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}
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