4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
59 lines
1.3 KiB
C++
59 lines
1.3 KiB
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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// void gbump(int n);
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#include <streambuf>
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#include <cassert>
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template <class CharT>
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struct test
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: public std::basic_streambuf<CharT>
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{
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typedef std::basic_streambuf<CharT> base;
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test() {}
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void setg(CharT* gbeg, CharT* gnext, CharT* gend)
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{
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base::setg(gbeg, gnext, gend);
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}
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void gbump(int n)
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{
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CharT* gbeg = base::eback();
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CharT* gnext = base::gptr();
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CharT* gend = base::egptr();
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base::gbump(n);
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assert(base::eback() == gbeg);
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assert(base::gptr() == gnext+n);
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assert(base::egptr() == gend);
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}
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};
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int main()
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{
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{
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test<char> t;
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char in[] = "ABCDE";
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t.setg(in, in+1, in+sizeof(in)/sizeof(in[0]));
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t.gbump(2);
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}
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{
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test<wchar_t> t;
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wchar_t in[] = L"ABCDE";
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t.setg(in, in+1, in+sizeof(in)/sizeof(in[0]));
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t.gbump(3);
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}
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}
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