1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// REQUIRES: locale.en_US.UTF-8
10// REQUIRES: locale.fr_FR.UTF-8
11
12// <streambuf>
13
14// template <class charT, class traits = char_traits<charT> >
15// class basic_streambuf;
16
17// locale pubimbue(const locale& loc);
18// locale getloc() const;
19
20#include <streambuf>
21#include <cassert>
22
23#include "test_macros.h"
24#include "platform_support.h" // locale name macros
25
26template <class CharT>
27struct test
28 : public std::basic_streambuf<CharT>
29{
30 test() {}
31
32 void imbue(const std::locale&)
33 {
34 assert(this->getloc().name() == LOCALE_en_US_UTF_8);
35 }
36};
37
38int main(int, char**)
39{
40 {
41 test<char> t;
42 assert(t.getloc().name() == "C");
43 }
44 std::locale::global(std::locale(LOCALE_en_US_UTF_8));
45 {
46 test<char> t;
47 assert(t.getloc().name() == LOCALE_en_US_UTF_8);
48 assert(t.pubimbue(std::locale(LOCALE_fr_FR_UTF_8)).name() ==
49 LOCALE_en_US_UTF_8);
50 assert(t.getloc().name() == LOCALE_fr_FR_UTF_8);
51 }
52
53 return 0;
54}
55

source code of libcxx/test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.locales/locales.pass.cpp