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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
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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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// <locale>
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// wstring_convert<Codecvt, Elem, Wide_alloc, Byte_alloc>
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// size_t converted() const;
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#include <locale>
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#include <codecvt>
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#include <cassert>
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#include "test_macros.h"
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template <class CharT, size_t = sizeof(CharT)>
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struct TestHelper;
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template <class CharT>
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struct TestHelper<CharT, 2> {
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static void test();
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};
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template <class CharT>
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struct TestHelper<CharT, 4> {
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static void test();
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};
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template <class CharT>
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void TestHelper<CharT, 2>::test() {
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static_assert((std::is_same<CharT, wchar_t>::value), "");
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{
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typedef std::codecvt_utf8<CharT> Codecvt;
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typedef std::wstring_convert<Codecvt> Myconv;
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Myconv myconv;
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assert(myconv.converted() == 0);
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std::string bs = myconv.to_bytes(L"\u1005");
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assert(myconv.converted() == 1);
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bs = myconv.to_bytes(L"\u1005e");
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assert(myconv.converted() == 2);
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std::wstring ws = myconv.from_bytes("\xE1\x80\x85");
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assert(myconv.converted() == 3);
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}
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}
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template <class CharT>
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void TestHelper<CharT, 4>::test() {
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static_assert((std::is_same<CharT, wchar_t>::value), "");
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{
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typedef std::codecvt_utf8<CharT> Codecvt;
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typedef std::wstring_convert<Codecvt> Myconv;
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Myconv myconv;
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assert(myconv.converted() == 0);
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std::string bs = myconv.to_bytes(L"\U00040003");
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assert(myconv.converted() == 1);
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bs = myconv.to_bytes(L"\U00040003e");
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assert(myconv.converted() == 2);
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std::wstring ws = myconv.from_bytes("\xF1\x80\x80\x83");
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assert(myconv.converted() == 4);
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}
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}
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int main(int, char**) {
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TestHelper<wchar_t>::test();
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return 0;
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}
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