b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
143 lines
6.1 KiB
C++
143 lines
6.1 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>
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// template<class charT, class traits, class Allocator>
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// basic_string<charT,traits,Allocator>
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// operator+(const basic_string<charT,traits,Allocator>& lhs,
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// const basic_string<charT,traits,Allocator>& rhs);
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// template<class charT, class traits, class Allocator>
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// basic_string<charT,traits,Allocator>&&
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// operator+(const basic_string<charT,traits,Allocator>&& lhs,
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// const basic_string<charT,traits,Allocator>& rhs);
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// template<class charT, class traits, class Allocator>
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// basic_string<charT,traits,Allocator>&&
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// operator+(const basic_string<charT,traits,Allocator>& lhs,
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// const basic_string<charT,traits,Allocator>&& rhs);
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// template<class charT, class traits, class Allocator>
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// basic_string<charT,traits,Allocator>&&
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// operator+(const basic_string<charT,traits,Allocator>&& lhs,
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// const basic_string<charT,traits,Allocator>&& rhs);
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#include <string>
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#include <cassert>
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template <class S>
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void
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test0(const S& lhs, const S& rhs, const S& x)
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{
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assert(lhs + rhs == x);
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}
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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template <class S>
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void
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test1(S&& lhs, const S& rhs, const S& x)
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{
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assert(move(lhs) + rhs == x);
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}
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template <class S>
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void
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test2(const S& lhs, S&& rhs, const S& x)
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{
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assert(lhs + move(rhs) == x);
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}
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template <class S>
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void
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test3(S&& lhs, S&& rhs, const S& x)
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{
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assert(move(lhs) + move(rhs) == x);
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}
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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typedef std::string S;
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int main()
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{
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test0(S(""), S(""), S(""));
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test0(S(""), S("12345"), S("12345"));
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test0(S(""), S("1234567890"), S("1234567890"));
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test0(S(""), S("12345678901234567890"), S("12345678901234567890"));
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test0(S("abcde"), S(""), S("abcde"));
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test0(S("abcde"), S("12345"), S("abcde12345"));
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test0(S("abcde"), S("1234567890"), S("abcde1234567890"));
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test0(S("abcde"), S("12345678901234567890"), S("abcde12345678901234567890"));
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test0(S("abcdefghij"), S(""), S("abcdefghij"));
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test0(S("abcdefghij"), S("12345"), S("abcdefghij12345"));
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test0(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890"));
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test0(S("abcdefghij"), S("12345678901234567890"), S("abcdefghij12345678901234567890"));
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test0(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst"));
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test0(S("abcdefghijklmnopqrst"), S("12345"), S("abcdefghijklmnopqrst12345"));
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test0(S("abcdefghijklmnopqrst"), S("1234567890"), S("abcdefghijklmnopqrst1234567890"));
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test0(S("abcdefghijklmnopqrst"), S("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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test1(S(""), S(""), S(""));
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test1(S(""), S("12345"), S("12345"));
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test1(S(""), S("1234567890"), S("1234567890"));
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test1(S(""), S("12345678901234567890"), S("12345678901234567890"));
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test1(S("abcde"), S(""), S("abcde"));
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test1(S("abcde"), S("12345"), S("abcde12345"));
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test1(S("abcde"), S("1234567890"), S("abcde1234567890"));
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test1(S("abcde"), S("12345678901234567890"), S("abcde12345678901234567890"));
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test1(S("abcdefghij"), S(""), S("abcdefghij"));
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test1(S("abcdefghij"), S("12345"), S("abcdefghij12345"));
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test1(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890"));
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test1(S("abcdefghij"), S("12345678901234567890"), S("abcdefghij12345678901234567890"));
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test1(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst"));
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test1(S("abcdefghijklmnopqrst"), S("12345"), S("abcdefghijklmnopqrst12345"));
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test1(S("abcdefghijklmnopqrst"), S("1234567890"), S("abcdefghijklmnopqrst1234567890"));
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test1(S("abcdefghijklmnopqrst"), S("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
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test2(S(""), S(""), S(""));
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test2(S(""), S("12345"), S("12345"));
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test2(S(""), S("1234567890"), S("1234567890"));
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test2(S(""), S("12345678901234567890"), S("12345678901234567890"));
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test2(S("abcde"), S(""), S("abcde"));
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test2(S("abcde"), S("12345"), S("abcde12345"));
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test2(S("abcde"), S("1234567890"), S("abcde1234567890"));
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test2(S("abcde"), S("12345678901234567890"), S("abcde12345678901234567890"));
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test2(S("abcdefghij"), S(""), S("abcdefghij"));
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test2(S("abcdefghij"), S("12345"), S("abcdefghij12345"));
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test2(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890"));
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test2(S("abcdefghij"), S("12345678901234567890"), S("abcdefghij12345678901234567890"));
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test2(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst"));
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test2(S("abcdefghijklmnopqrst"), S("12345"), S("abcdefghijklmnopqrst12345"));
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test2(S("abcdefghijklmnopqrst"), S("1234567890"), S("abcdefghijklmnopqrst1234567890"));
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test2(S("abcdefghijklmnopqrst"), S("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
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test3(S(""), S(""), S(""));
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test3(S(""), S("12345"), S("12345"));
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test3(S(""), S("1234567890"), S("1234567890"));
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test3(S(""), S("12345678901234567890"), S("12345678901234567890"));
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test3(S("abcde"), S(""), S("abcde"));
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test3(S("abcde"), S("12345"), S("abcde12345"));
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test3(S("abcde"), S("1234567890"), S("abcde1234567890"));
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test3(S("abcde"), S("12345678901234567890"), S("abcde12345678901234567890"));
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test3(S("abcdefghij"), S(""), S("abcdefghij"));
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test3(S("abcdefghij"), S("12345"), S("abcdefghij12345"));
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test3(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890"));
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test3(S("abcdefghij"), S("12345678901234567890"), S("abcdefghij12345678901234567890"));
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test3(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst"));
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test3(S("abcdefghijklmnopqrst"), S("12345"), S("abcdefghijklmnopqrst12345"));
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test3(S("abcdefghijklmnopqrst"), S("1234567890"), S("abcdefghijklmnopqrst1234567890"));
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test3(S("abcdefghijklmnopqrst"), S("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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}
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