92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/************************************************************************
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*
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* 22.locale.codecvt.stdcxx-435.cpp - regression test for STDCXX-435
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*
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* http://issues.apache.org/jira/browse/STDCXX-435
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*
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* $Id: 22.locale.codecvt.stdcxx-435.cpp 648752 2008-04-16 17:01:56Z faridz $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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**************************************************************************/
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#include <cassert>
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#include <clocale>
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#include <cwchar>
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#include <locale>
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int main ()
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{
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// multibyte locale
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std::locale mbloc;
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// names of some well-known multibyte locales
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const char* const names[] = {
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"EN_US.UTF-8", // AIX
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"en_US.UTF-8", // AIX, Linux, Solaris
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"en_US.utf8", // HP-UX
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// starting with Vista, Windows follows RFC 4646 name format
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// http://msdn2.microsoft.com/en-us/library/ms776260(VS.85).aspx
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"hy-AM", // Win 2000
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"as-IN", // Win Vista
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"bn-IN", // Win XP SP2
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"zh-HK",
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"zh-CN",
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0
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};
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// try to find the first multibyte locale on this system
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for (unsigned i = 0; names [i]; ++i) {
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if (std::setlocale (LC_ALL, names [i])) {
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mbloc = std::locale (names [i]);
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break;
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}
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}
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// fall back on the "C" locale...
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typedef std::codecvt<wchar_t, char, std::mbstate_t> MbCvt;
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const MbCvt &cvt = std::use_facet<MbCvt>(mbloc);
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// source and destination buffers
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const char src[] = "abc";
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wchar_t dst [2] = { L'\0', L'\1' };
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const char* from_next;
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wchar_t* to_next;
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std::mbstate_t state = std::mbstate_t ();
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// convert exactly one source character, expect exactly
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// one wide character in the destination buffer
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const std::codecvt_base::result res =
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cvt.in (state,
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src, src + 1, from_next,
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dst, dst + 2, to_next);
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assert (cvt.ok == res);
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assert (1 == from_next - src);
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assert (1 == to_next - dst);
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assert ('a' == dst [0] && '\1' == dst [1]);
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}
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