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// <iomanip>
10
11// template<charT> T4 setfill(charT c);
12
13#include <iomanip>
14#include <ostream>
15#include <cassert>
16
17#include "test_macros.h"
18
19template <class CharT>
20struct testbuf
21 : public std::basic_streambuf<CharT>
22{
23 testbuf() {}
24};
25
26int main(int, char**)
27{
28 {
29 testbuf<char> sb;
30 std::ostream os(&sb);
31 os << std::setfill('*');
32 assert(os.fill() == '*');
33 }
34#ifndef TEST_HAS_NO_WIDE_CHARACTERS
35 {
36 testbuf<wchar_t> sb;
37 std::wostream os(&sb);
38 os << std::setfill(L'*');
39 assert(os.fill() == L'*');
40 }
41#endif
42
43 return 0;
44}
45

source code of libcxx/test/std/input.output/iostream.format/std.manip/setfill.pass.cpp