a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
55 lines
1.5 KiB
C++
55 lines
1.5 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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// <string_view>
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// template<class Allocator>
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// basic_string_view(const basic_string<_CharT, _Traits, Allocator>& _str) noexcept
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#include <experimental/string_view>
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#include <string>
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#include <cassert>
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struct dummy_char_traits : public std::char_traits<char> {};
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template<typename CharT, typename Traits>
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void test ( const std::basic_string<CharT, Traits> &str ) {
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std::experimental::basic_string_view<CharT, Traits> sv1 ( str );
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assert ( sv1.size() == str.size());
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assert ( sv1.data() == str.data());
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}
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int main () {
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test ( std::string("QBCDE") );
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test ( std::string("") );
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test ( std::string() );
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test ( std::wstring(L"QBCDE") );
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test ( std::wstring(L"") );
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test ( std::wstring() );
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#if __cplusplus >= 201103L
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test ( std::u16string{u"QBCDE"} );
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test ( std::u16string{u""} );
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test ( std::u16string{} );
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test ( std::u32string{U"QBCDE"} );
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test ( std::u32string{U""} );
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test ( std::u32string{} );
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#endif
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test ( std::basic_string<char, dummy_char_traits>("QBCDE") );
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test ( std::basic_string<char, dummy_char_traits>("") );
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test ( std::basic_string<char, dummy_char_traits>() );
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}
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