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49 lines
1.1 KiB
C++
49 lines
1.1 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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// <streambuf>
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// template <class charT, class traits = char_traits<charT> >
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// class basic_streambuf;
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// streamsize xsputn(const char_type* s, streamsize n);
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#include <streambuf>
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#include <cassert>
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#include <cstring>
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#include "test_macros.h"
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struct test
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: public std::basic_streambuf<char>
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{
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typedef std::basic_streambuf<char> base;
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test() {}
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void setp(char* pbeg, char* pend)
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{
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base::setp(pbeg, pend);
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}
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};
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int main(int, char**)
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{
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{
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test t;
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char in[] = "123456";
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assert(t.sputn(in, sizeof(in)) == 0);
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char out[sizeof(in)] = {0};
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t.setp(out, out+sizeof(out));
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assert(t.sputn(in, sizeof(in)) == sizeof(in));
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assert(std::strcmp(in, out) == 0);
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}
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return 0;
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}
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