51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
// TODO: Investigate
|
||
|
|
// UNSUPPORTED: LIBCXX-AIX-FIXME
|
||
|
|
|
||
|
|
// This test hangs on Android devices that lack shell_v2, which was added in
|
||
|
|
// Android N (API 24).
|
||
|
|
// UNSUPPORTED: LIBCXX-ANDROID-FIXME && android-device-api={{2[1-3]}}
|
||
|
|
|
||
|
|
// <iostream>
|
||
|
|
|
||
|
|
// wistream wcin;
|
||
|
|
|
||
|
|
// UNSUPPORTED: no-wide-characters
|
||
|
|
|
||
|
|
// RUN: %{build}
|
||
|
|
// RUN: echo -n 1234 | %{exec} %t.exe
|
||
|
|
|
||
|
|
#include <iostream>
|
||
|
|
#include <cassert>
|
||
|
|
|
||
|
|
struct custom_codecvt : std::codecvt<wchar_t, char, std::mbstate_t> {
|
||
|
|
using base = std::codecvt<wchar_t, char, std::mbstate_t>;
|
||
|
|
protected:
|
||
|
|
result do_in(std::mbstate_t&, const char *from, const char *from_end,
|
||
|
|
const char *&from_next, wchar_t *to, wchar_t *to_end, wchar_t *&to_next) const {
|
||
|
|
while (from != from_end && to != to_end) {
|
||
|
|
++from;
|
||
|
|
*to++ = L'z';
|
||
|
|
}
|
||
|
|
from_next = from;
|
||
|
|
to_next = to;
|
||
|
|
return ok;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
int main(int, char**) {
|
||
|
|
std::locale loc(std::locale::classic(), new custom_codecvt);
|
||
|
|
std::wcin.imbue(loc);
|
||
|
|
std::wstring str;
|
||
|
|
std::wcin >> str;
|
||
|
|
assert(str == L"zzzz");
|
||
|
|
return 0;
|
||
|
|
}
|