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libcxx_old/test/std/strings/basic.string/string.iterators/iterators.pass.cpp

91 lines
2.3 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11
// <string>
// iterator begin();
// iterator end();
// const_iterator begin() const;
// const_iterator end() const;
// const_iterator cbegin() const;
// const_iterator cend() const;
#include <string>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
{ // N3644 testing
typedef std::string C;
C::iterator ii1{}, ii2{};
C::iterator ii4 = ii1;
C::const_iterator cii{};
assert ( ii1 == ii2 );
assert ( ii1 == ii4 );
assert ( ii1 == cii );
assert ( !(ii1 != ii2 ));
assert ( !(ii1 != cii ));
}
{ // N3644 testing
typedef std::wstring C;
C::iterator ii1{}, ii2{};
C::iterator ii4 = ii1;
C::const_iterator cii{};
assert ( ii1 == ii2 );
assert ( ii1 == ii4 );
assert ( ii1 == cii );
assert ( !(ii1 != ii2 ));
assert ( !(ii1 != cii ));
}
#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
{
typedef std::u8string C;
C::iterator ii1{}, ii2{};
C::iterator ii4 = ii1;
C::const_iterator cii{};
assert ( ii1 == ii2 );
assert ( ii1 == ii4 );
assert ( ii1 == cii );
assert ( !(ii1 != ii2 ));
assert ( !(ii1 != cii ));
}
#endif
{ // N3644 testing
typedef std::u16string C;
C::iterator ii1{}, ii2{};
C::iterator ii4 = ii1;
C::const_iterator cii{};
assert ( ii1 == ii2 );
assert ( ii1 == ii4 );
assert ( ii1 == cii );
assert ( !(ii1 != ii2 ));
assert ( !(ii1 != cii ));
}
{ // N3644 testing
typedef std::u32string C;
C::iterator ii1{}, ii2{};
C::iterator ii4 = ii1;
C::const_iterator cii{};
assert ( ii1 == ii2 );
assert ( ii1 == ii4 );
assert ( ii1 == cii );
assert ( !(ii1 != ii2 ));
assert ( !(ii1 != cii ));
}
return 0;
}