git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			57 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.5 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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// <codecvt>
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// template <class Elem, unsigned long Maxcode = 0x10ffff,
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//           codecvt_mode Mode = (codecvt_mode)0>
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// class codecvt_utf8_utf16
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//     : public codecvt<Elem, char, mbstate_t>
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// {
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//     // unspecified
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// };
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// result
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//     unshift(stateT& state,
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//             externT* to, externT* to_end, externT*& to_next) const;
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#include <codecvt>
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#include <cassert>
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int main()
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{
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    {
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        typedef std::codecvt_utf8_utf16<wchar_t> C;
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        C c;
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        char n[4] = {0};
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        std::mbstate_t m;
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        char* np = nullptr;
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        std::codecvt_base::result r = c.unshift(m, n, n+4, np);
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        assert(r == std::codecvt_base::noconv);
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    }
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    {
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        typedef std::codecvt_utf8_utf16<char16_t> C;
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        C c;
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        char n[4] = {0};
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        std::mbstate_t m;
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        char* np = nullptr;
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        std::codecvt_base::result r = c.unshift(m, n, n+4, np);
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        assert(r == std::codecvt_base::noconv);
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    }
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    {
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        typedef std::codecvt_utf8_utf16<char32_t> C;
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        C c;
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        char n[4] = {0};
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        std::mbstate_t m;
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        char* np = nullptr;
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        std::codecvt_base::result r = c.unshift(m, n, n+4, np);
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        assert(r == std::codecvt_base::noconv);
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    }
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}
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