62 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			62 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 pbump(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 setp(CharT* pbeg, CharT* pend)
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    {
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        base::setp(pbeg, pend);
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    }
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    void pbump(int n)
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    {
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        CharT* pbeg = base::pbase();
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        CharT* pnext = base::pptr();
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        CharT* pend = base::epptr();
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        base::pbump(n);
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        assert(base::pbase() == pbeg);
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        assert(base::pptr() == pnext+n);
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        assert(base::epptr() == pend);
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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.setp(in, in+sizeof(in)/sizeof(in[0]));
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        t.pbump(2);
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        t.pbump(1);
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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.setp(in, in+sizeof(in)/sizeof(in[0]));
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        t.pbump(3);
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        t.pbump(1);
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    }
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}
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