43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <iostream>
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// wostream wcout;
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// UNSUPPORTED: no-wide-characters
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// RUN: %{build}
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// RUN: %{exec} %t.exe > %t.actual
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// RUN: echo -n zzzz > %t.expected
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// RUN: diff %t.expected %t.actual
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#include <iostream>
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struct custom_codecvt : std::codecvt<wchar_t, char, std::mbstate_t> {
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using base = std::codecvt<wchar_t, char, std::mbstate_t>;
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protected:
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result do_out(std::mbstate_t&, const wchar_t *from, const wchar_t *from_end,
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const wchar_t *&from_next, char *to, char *to_end, char *&to_next) const {
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while (from != from_end && to != to_end) {
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++from;
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*to++ = 'z';
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}
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from_next = from;
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to_next = to;
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return ok;
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}
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};
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int main(int, char**) {
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std::locale loc(std::locale::classic(), new custom_codecvt);
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std::wcout.imbue(loc);
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std::wcout << L"1234";
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return 0;
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}
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