103 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			3.3 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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| 
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| // <string>
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| 
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| // size_type copy(charT* s, size_type n, size_type pos = 0) const;
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| 
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| #include <string>
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| #include <stdexcept>
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| #include <algorithm>
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| #include <cassert>
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| 
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| template <class S>
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| void
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| test(S str, typename S::value_type* s, typename S::size_type n,
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|      typename S::size_type pos)
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| {
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|     try
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|     {
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|         const S& cs = str;
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|         typename S::size_type r = cs.copy(s, n, pos);
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|         assert(pos <= cs.size());
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|         typename S::size_type rlen = std::min(n, cs.size() - pos);
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|         assert(r == rlen);
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|         for (r = 0; r < rlen; ++r)
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|             assert(S::traits_type::eq(cs[pos+r], s[r]));
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|     }
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|     catch (std::out_of_range&)
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|     {
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|         assert(pos > str.size());
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|     }
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| }
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| 
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| int main()
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| {
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|     typedef std::string S;
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|     char s[50];
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|     test(S(""), s, 0, 0);
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|     test(S(""), s, 0, 1);
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|     test(S(""), s, 1, 0);
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|     test(S("abcde"), s, 0, 0);
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|     test(S("abcde"), s, 0, 1);
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|     test(S("abcde"), s, 0, 2);
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|     test(S("abcde"), s, 0, 4);
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|     test(S("abcde"), s, 0, 5);
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|     test(S("abcde"), s, 0, 6);
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|     test(S("abcde"), s, 1, 0);
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|     test(S("abcde"), s, 1, 1);
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|     test(S("abcde"), s, 1, 2);
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|     test(S("abcde"), s, 1, 4);
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|     test(S("abcde"), s, 1, 5);
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|     test(S("abcde"), s, 2, 0);
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|     test(S("abcde"), s, 2, 1);
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|     test(S("abcde"), s, 2, 2);
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|     test(S("abcde"), s, 2, 4);
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|     test(S("abcde"), s, 4, 0);
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|     test(S("abcde"), s, 4, 1);
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|     test(S("abcde"), s, 4, 2);
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|     test(S("abcde"), s, 5, 0);
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|     test(S("abcde"), s, 5, 1);
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|     test(S("abcde"), s, 6, 0);
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|     test(S("abcdefghijklmnopqrst"), s, 0, 0);
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|     test(S("abcdefghijklmnopqrst"), s, 0, 1);
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|     test(S("abcdefghijklmnopqrst"), s, 0, 2);
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|     test(S("abcdefghijklmnopqrst"), s, 0, 10);
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|     test(S("abcdefghijklmnopqrst"), s, 0, 19);
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|     test(S("abcdefghijklmnopqrst"), s, 0, 20);
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|     test(S("abcdefghijklmnopqrst"), s, 0, 21);
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|     test(S("abcdefghijklmnopqrst"), s, 1, 0);
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|     test(S("abcdefghijklmnopqrst"), s, 1, 1);
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|     test(S("abcdefghijklmnopqrst"), s, 1, 2);
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|     test(S("abcdefghijklmnopqrst"), s, 1, 9);
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|     test(S("abcdefghijklmnopqrst"), s, 1, 18);
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|     test(S("abcdefghijklmnopqrst"), s, 1, 19);
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|     test(S("abcdefghijklmnopqrst"), s, 1, 20);
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|     test(S("abcdefghijklmnopqrst"), s, 2, 0);
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|     test(S("abcdefghijklmnopqrst"), s, 2, 1);
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|     test(S("abcdefghijklmnopqrst"), s, 2, 2);
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|     test(S("abcdefghijklmnopqrst"), s, 2, 9);
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|     test(S("abcdefghijklmnopqrst"), s, 2, 17);
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|     test(S("abcdefghijklmnopqrst"), s, 2, 18);
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|     test(S("abcdefghijklmnopqrst"), s, 2, 19);
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|     test(S("abcdefghijklmnopqrst"), s, 10, 0);
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|     test(S("abcdefghijklmnopqrst"), s, 10, 1);
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|     test(S("abcdefghijklmnopqrst"), s, 10, 2);
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|     test(S("abcdefghijklmnopqrst"), s, 10, 5);
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|     test(S("abcdefghijklmnopqrst"), s, 10, 9);
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|     test(S("abcdefghijklmnopqrst"), s, 10, 10);
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|     test(S("abcdefghijklmnopqrst"), s, 10, 11);
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|     test(S("abcdefghijklmnopqrst"), s, 19, 0);
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|     test(S("abcdefghijklmnopqrst"), s, 19, 1);
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|     test(S("abcdefghijklmnopqrst"), s, 19, 2);
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|     test(S("abcdefghijklmnopqrst"), s, 20, 0);
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|     test(S("abcdefghijklmnopqrst"), s, 20, 1);
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|     test(S("abcdefghijklmnopqrst"), s, 21, 0);
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| }
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