| // 1999-08-16 bkoz |
| // 1999-11-01 bkoz |
| |
| // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
| // 2008, 2009 Free Software Foundation |
| // |
| // 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 |
| // <http://www.gnu.org/licenses/>. |
| |
| // 27.6.2.5.4 basic_ostream character inserters |
| |
| #include <ostream> |
| #include <sstream> |
| #include <cstdio> |
| #include <testsuite_hooks.h> |
| |
| class test_buffer_1 : public std::streambuf |
| { |
| public: |
| test_buffer_1(const std::string& s) : str(s), it(str.begin()) { } |
| |
| protected: |
| virtual int underflow() { return (it != str.end() ? *it : EOF); } |
| virtual int uflow() { return (it != str.end() ? *it++ : EOF); } |
| |
| private: |
| const std::string str; |
| std::string::const_iterator it; |
| }; |
| |
| |
| class test_buffer_2 : public std::streambuf |
| { |
| public: |
| test_buffer_2(const std::string& s) : str(s), it(str.begin()) { } |
| |
| protected: |
| virtual int underflow() { return (it != str.end() ? *it : EOF); } |
| virtual int uflow() { return (it != str.end() ? *it++ : EOF); } |
| virtual std::streamsize showmanyc() { return std::distance(it, str.end()); } |
| private: |
| const std::string str; |
| std::string::const_iterator it; |
| }; |
| |
| |
| class test_buffer_3 : public std::streambuf |
| { |
| public: |
| test_buffer_3(const std::string& s) : str(s), it(str.begin()) { } |
| |
| protected: |
| virtual int underflow() { return (it != str.end() ? *it : EOF); } |
| virtual int uflow() { return (it != str.end() ? *it++ : EOF); } |
| virtual std::streamsize showmanyc() |
| { |
| std::streamsize ret = std::distance(it, str.end()); |
| return ret > 0 ? ret : -1; |
| } |
| private: |
| const std::string str; |
| std::string::const_iterator it; |
| }; |
| |
| class test_buffer_4 : public std::streambuf { |
| public: |
| test_buffer_4(const std::string& s) : str(s), it(str.begin()) |
| { |
| if (it != str.end()) { |
| buf[0] = *it++; |
| setg(buf, buf, buf+1); |
| } |
| } |
| |
| protected: |
| virtual int underflow() { return (it != str.end() ? *it : EOF); } |
| virtual int uflow() { return (it != str.end() ? *it++ : EOF); } |
| virtual std::streamsize showmanyc() { |
| std::streamsize ret = std::distance(it, str.end()); |
| return ret > 0 ? ret : -1; |
| } |
| private: |
| const std::string str; |
| std::string::const_iterator it; |
| char buf[1]; |
| }; |
| |
| void test(const std::string& str, std::streambuf& buf) |
| { |
| bool test __attribute__((unused)) = true; |
| |
| std::ostringstream out; |
| std::istream in(&buf); |
| |
| out << in.rdbuf(); |
| |
| if (out.str() != str) |
| VERIFY( false ); |
| } |
| |
| // libstdc++/6745 |
| // libstdc++/8071 |
| // libstdc++/8127 |
| // Jonathan Lennox <lennox@cs.columbia.edu> |
| void test05() |
| { |
| std::string string_a("Hello, world!"); |
| std::string string_b(""); |
| |
| test_buffer_1 buf1a(string_a); |
| test_buffer_1 buf1b(string_b); |
| |
| test_buffer_2 buf2a(string_a); |
| test_buffer_2 buf2b(string_b); |
| |
| test_buffer_3 buf3a(string_a); |
| test_buffer_3 buf3b(string_b); |
| |
| test_buffer_4 buf4a(string_a); |
| test_buffer_4 buf4b(string_b); |
| |
| test(string_a, buf1a); |
| test(string_b, buf1b); |
| |
| test(string_a, buf2a); |
| test(string_b, buf2b); |
| |
| test(string_a, buf3a); |
| test(string_b, buf3b); |
| |
| test(string_a, buf4a); |
| test(string_b, buf4b); |
| } |
| |
| int |
| main() |
| { |
| test05(); |
| return 0; |
| } |