forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			48 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
| // -*- C++ -*-
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| //===----------------------------------------------------------------------===//
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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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| #include <string>
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| #include <cassert>
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| 
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| int main()
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| {
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| #if _LIBCPP_STD_VER > 11 
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|     using namespace std::literals::string_literals;
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| 
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|     static_assert ( std::is_same<decltype(   "Hi"s), std::string>::value, "" );
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|     static_assert ( std::is_same<decltype( u8"Hi"s), std::string>::value, "" );
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|     static_assert ( std::is_same<decltype(  L"Hi"s), std::wstring>::value, "" );
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|     static_assert ( std::is_same<decltype(  u"Hi"s), std::u16string>::value, "" );
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|     static_assert ( std::is_same<decltype(  U"Hi"s), std::u32string>::value, "" );
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|     
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|     std::string foo;
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|     std::wstring Lfoo;
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|     std::u16string ufoo;
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|     std::u32string Ufoo;
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|     
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|     foo  =   ""s;     assert( foo.size() == 0);
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|     foo  = u8""s;     assert( foo.size() == 0);
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|     Lfoo =  L""s;     assert(Lfoo.size() == 0);
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|     ufoo =  u""s;     assert(ufoo.size() == 0);
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|     Ufoo =  U""s;     assert(Ufoo.size() == 0);
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|     
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|     foo  =   " "s;     assert( foo.size() == 1);
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|     foo  = u8" "s;     assert( foo.size() == 1);
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|     Lfoo =  L" "s;     assert(Lfoo.size() == 1);
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|     ufoo =  u" "s;     assert(ufoo.size() == 1);
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|     Ufoo =  U" "s;     assert(Ufoo.size() == 1);
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|     
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|     foo  =   "ABC"s;     assert( foo ==   "ABC");   assert( foo == std::string   (  "ABC"));
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|     foo  = u8"ABC"s;     assert( foo == u8"ABC");   assert( foo == std::string   (u8"ABC"));
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|     Lfoo =  L"ABC"s;     assert(Lfoo ==  L"ABC");   assert(Lfoo == std::wstring  ( L"ABC"));
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|     ufoo =  u"ABC"s;     assert(ufoo ==  u"ABC");   assert(ufoo == std::u16string( u"ABC"));
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|     Ufoo =  U"ABC"s;     assert(Ufoo ==  U"ABC");   assert(Ufoo == std::u32string( U"ABC"));
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| #endif
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| }
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