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42 lines
983 B
C++
42 lines
983 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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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 xsgetn(char_type* s, streamsize n);
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#include <streambuf>
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#include <cassert>
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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 setg(char* gbeg, char* gnext, char* gend)
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{
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base::setg(gbeg, gnext, gend);
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}
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};
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int main()
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{
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test t;
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char input[7] = "123456";
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t.setg(input, input, input+7);
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char output[sizeof(input)] = {0};
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assert(t.sgetn(output, 10) == 7);
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assert(strcmp(input, output) == 0);
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}
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