 a90c6dd460
			
		
	
	a90c6dd460
	
	
	
		
			
			git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			49 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===----------------------------------------------------------------------===//
 | |
| //
 | |
| //                     The LLVM Compiler Infrastructure
 | |
| //
 | |
| // This file is dual licensed under the MIT and the University of Illinois Open
 | |
| // Source Licenses. See LICENSE.TXT for details.
 | |
| //
 | |
| //===----------------------------------------------------------------------===//
 | |
| 
 | |
| 
 | |
| // <string_view>
 | |
| 
 | |
| // constexpr const _CharT* data() const noexcept;
 | |
| 
 | |
| #include <experimental/string_view>
 | |
| #include <cassert>
 | |
| 
 | |
| template <typename CharT>
 | |
| void test ( const CharT *s, size_t len ) {
 | |
|     std::experimental::basic_string_view<CharT> sv ( s, len );
 | |
|     assert ( sv.length() == len );
 | |
|     assert ( sv.data() == s );
 | |
|     }
 | |
|     
 | |
| int main () {
 | |
|     test ( "ABCDE", 5 );
 | |
|     test ( "a", 1 );
 | |
| 
 | |
|     test ( L"ABCDE", 5 );
 | |
|     test ( L"a", 1 );
 | |
| 
 | |
| #if __cplusplus >= 201103L
 | |
|     test ( u"ABCDE", 5 );
 | |
|     test ( u"a", 1 );
 | |
| 
 | |
|     test ( U"ABCDE", 5 );
 | |
|     test ( U"a", 1 );
 | |
| #endif
 | |
| 
 | |
| #if _LIBCPP_STD_VER > 11
 | |
|     {
 | |
|     constexpr const char *s = "ABC";
 | |
|     constexpr std::experimental::basic_string_view<char> sv( s, 2 );
 | |
|     static_assert( sv.length() ==  2,  "" );
 | |
|     static_assert( sv.data() == s, "" );
 | |
|     }
 | |
| #endif
 | |
| }
 |