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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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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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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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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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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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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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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