68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11
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// <string>
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// iterator begin();
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// iterator end();
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// const_iterator begin() const;
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// const_iterator end() const;
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// const_iterator cbegin() const;
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// const_iterator cend() const;
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#include <string>
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#include <cassert>
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#include "test_macros.h"
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template<class C>
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void test()
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{
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{ // N3644 testing
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typename C::iterator ii1{}, ii2{};
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typename C::iterator ii4 = ii1;
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typename C::const_iterator cii{};
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assert ( ii1 == ii2 );
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assert ( ii1 == ii4 );
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assert (!(ii1 != ii2 ));
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assert ( (ii1 == cii ));
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assert ( (cii == ii1 ));
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assert (!(ii1 != cii ));
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assert (!(cii != ii1 ));
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assert (!(ii1 < cii ));
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assert (!(cii < ii1 ));
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assert ( (ii1 <= cii ));
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assert ( (cii <= ii1 ));
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assert (!(ii1 > cii ));
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assert (!(cii > ii1 ));
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assert ( (ii1 >= cii ));
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assert ( (cii >= ii1 ));
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assert (cii - ii1 == 0);
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assert (ii1 - cii == 0);
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}
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}
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int main(int, char**)
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{
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test<std::string>();
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test<std::wstring>();
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#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
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test<std::u8string>();
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#endif
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test<std::u16string>();
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test<std::u32string>();
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return 0;
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}
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