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			90 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.2 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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| 
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| // UNSUPPORTED: c++98, c++03
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| 
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| // <sstream>
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| 
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| // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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| // class basic_istringstream
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| 
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| // basic_istringstream& operator=(basic_istringstream&& rhs);
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| 
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| #include <sstream>
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| #include <cassert>
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| 
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| #include "test_macros.h"
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| 
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| int main(int, char**)
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| {
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|     {
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|         std::istringstream ss0(" 123 456");
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|         std::istringstream ss;
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|         ss = std::move(ss0);
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|         assert(ss.rdbuf() != 0);
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|         assert(ss.good());
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|         assert(ss.str() == " 123 456");
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|         int i = 0;
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|         ss >> i;
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|         assert(i == 123);
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|         ss >> i;
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|         assert(i == 456);
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|     }
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|     {
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|         std::istringstream s1("Aaaaa Bbbbb Cccccccccc Dddddddddddddddddd");
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|         std::string s;
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|         s1 >> s;
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| 
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|         std::istringstream s2 = std::move(s1);
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|         s2 >> s;
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|         assert(s == "Bbbbb");
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| 
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|         std::istringstream s3;
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|         s3 = std::move(s2);
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|         s3 >> s;
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|         assert(s == "Cccccccccc");
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| 
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|         s1 = std::move(s3);
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|         s1 >> s;
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|         assert(s == "Dddddddddddddddddd");
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|     }
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|     {
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|         std::wistringstream ss0(L" 123 456");
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|         std::wistringstream ss;
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|         ss = std::move(ss0);
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|         assert(ss.rdbuf() != 0);
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|         assert(ss.good());
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|         assert(ss.str() == L" 123 456");
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|         int i = 0;
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|         ss >> i;
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|         assert(i == 123);
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|         ss >> i;
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|         assert(i == 456);
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|     }
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|     {
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|         std::wistringstream s1(L"Aaaaa Bbbbb Cccccccccc Dddddddddddddddddd");
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|         std::wstring s;
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|         s1 >> s;
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| 
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|         std::wistringstream s2 = std::move(s1);
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|         s2 >> s;
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|         assert(s == L"Bbbbb");
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| 
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|         std::wistringstream s3;
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|         s3 = std::move(s2);
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|         s3 >> s;
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|         assert(s == L"Cccccccccc");
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| 
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|         s1 = std::move(s3);
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|         s1 >> s;
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|         assert(s == L"Dddddddddddddddddd");
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|     }
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| 
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|   return 0;
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| }
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