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Unified Diff: gcc/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/11603.cc

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/11603.cc
diff --git a/gcc/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/11603.cc b/gcc/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/11603.cc
deleted file mode 100644
index 8bf915debeda46ccef5dcbceb73c01b4679ff30a..0000000000000000000000000000000000000000
--- a/gcc/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/11603.cc
+++ /dev/null
@@ -1,199 +0,0 @@
-// Copyright (C) 2003, 2004, 2009 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
-// <http://www.gnu.org/licenses/>.
-
-// 27.8.1.4 Overridden virtual functions
-
-#include <fstream>
-#include <locale>
-#include <testsuite_hooks.h>
-
-template <typename InternT, typename StateT = std::mbstate_t>
-class checksumcvt : public std::codecvt<InternT, char, StateT>
-{
- typedef std::codecvt<InternT, char, StateT> Base;
- static const std::size_t width = sizeof(InternT) + 1;
-
-public:
- typedef InternT intern_type;
- typedef char extern_type;
-
- explicit checksumcvt(std::size_t refs = 0)
- : Base(refs)
- { }
-
-protected:
- virtual std::codecvt_base::result
- do_out(StateT&, const intern_type* from,
- const intern_type* from_end, const intern_type*& from_next,
- extern_type* to, extern_type* to_end,
- extern_type*& to_next) const
- {
- size_t len = std::min(static_cast<size_t>(from_end - from),
- static_cast<size_t>(to_end - to) / width);
-
- while (len--)
- {
- const char* p =
- reinterpret_cast<const char*>(from);
- unsigned char checksum = 0;
-
- for (std::size_t i = 0; i < sizeof(intern_type); ++i)
- {
- *to++ = p[i];
- checksum ^= static_cast<unsigned char>(p[i]);
- }
-
- *to++ = checksum;
- ++from;
- }
-
- from_next = from;
- to_next = to;
- return from_next == from_end ? std::codecvt_base::ok
- : std::codecvt_base::partial;
- }
-
- virtual std::codecvt_base::result
- do_unshift(StateT&, extern_type* to,
- extern_type*, extern_type*& to_next) const
- {
- to_next = to;
- return std::codecvt_base::ok;
- }
-
- virtual std::codecvt_base::result
- do_in(StateT&, const extern_type* from,
- const extern_type* from_end, const extern_type*& from_next,
- intern_type* to, intern_type* to_end,
- intern_type*& to_next) const
- {
- size_t len = std::min(static_cast<size_t>(to_end - to),
- static_cast<size_t>(from_end - from) / width);
-
- while (len)
- {
- const char* f = from;
- intern_type tmp;
- char* p = reinterpret_cast<char*>(&tmp);
- unsigned char checksum = 0;
-
- for (std::size_t i = 0; i < sizeof(intern_type); ++i)
- {
- p[i] = *f;
- checksum ^= static_cast<unsigned char>(*f++);
- }
-
- if (*f++ != checksum)
- break;
-
- from = f;
- *to++ = tmp;
- len--;
- }
-
- from_next = from;
- to_next = to;
- return len ? std::codecvt_base::error :
- (from_next == from_end ? std::codecvt_base::ok
- : std::codecvt_base::partial);
- }
-
- virtual int
- do_encoding() const throw()
- { return width; }
-
- virtual int
- do_length(const StateT&, const extern_type* from,
- const extern_type* end, size_t max) const
- {
- size_t len = std::min(max,
- static_cast<size_t>(end - from) / width);
-
- int ret = 0;
- while (len--)
- {
- unsigned char checksum = 0;
-
- for (std::size_t i = 0; i < sizeof(intern_type); ++i)
- {
- checksum ^= static_cast<unsigned char>(*from++);
- }
-
- if (*from++ != checksum)
- break;
-
- ret++;
- }
-
- return ret;
- }
-
- virtual int
- do_max_length() const throw()
- { return width; }
-
- virtual bool
- do_always_noconv() const throw()
- { return false; }
-};
-
-class Buf : public std::wfilebuf
-{
-public:
- std::streamsize pub_showmanyc()
- { return showmanyc(); }
- std::wfilebuf::int_type pub_underflow()
- { return underflow(); }
-};
-
-// libstdc++/11603
-void test01()
-{
- using namespace std;
- bool test __attribute__((unused)) = true;
-
- filebuf fbout;
- fbout.open("tmp_11603", ios_base::out);
- fbout.sputn("aaaab", 5);
- fbout.close();
-
- locale loc(locale::classic(), new checksumcvt<wchar_t>);
-
- Buf fb;
- fb.pubimbue(loc);
- fb.open("tmp_11603", ios_base::in);
- VERIFY( fb.pub_showmanyc() == 1 );
-
- try
- {
- wfilebuf::int_type ret = fb.pub_underflow();
- VERIFY( ret != wfilebuf::traits_type::eof() );
- fb.sbumpc();
- ret = fb.pub_underflow();
- VERIFY( ret == wfilebuf::traits_type::eof() );
- }
- catch (...)
- { }
-
- fb.close();
-}
-
-int main()
-{
- test01();
- return 0;
-}

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