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83 lines
4.1 KiB
C++
83 lines
4.1 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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//
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// <iterator>
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// __libcpp_is_trivial_iterator<Tp>
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// __libcpp_string_gets_noexcept_iterator determines if an iterator can be used
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// w/o worrying about whether or not certain operations can throw.
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// This gives us a "fast path for string operations".
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//
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// When exceptions are disabled, all iterators should get this "fast path"
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//
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// MODULES_DEFINES: _LIBCPP_NO_EXCEPTIONS
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#define _LIBCPP_NO_EXCEPTIONS
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#include <iterator>
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#include <cassert>
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#include <string>
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#include <vector>
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#include <initializer_list>
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#include "test_macros.h"
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#include "test_iterators.h"
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int main(int, char**)
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{
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// basic tests
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<char *>::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<const char *>::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::move_iterator<char *> > ::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::move_iterator<const char *> >::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::reverse_iterator<char *> > ::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::reverse_iterator<const char *> >::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::__wrap_iter<char *> > ::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::__wrap_iter<const char *> >::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::reverse_iterator<std::__wrap_iter<char *> > > ::value), "");
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// iterators in the libc++ test suite
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<output_iterator <char *> >::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<input_iterator <char *> >::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<forward_iterator <char *> >::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<bidirectional_iterator<char *> >::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<random_access_iterator<char *> >::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<ThrowingIterator <char *> >::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<NonThrowingIterator <char *> >::value), "");
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//
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// iterators from libc++'s containers
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//
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// string
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::vector<char>::iterator> ::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::vector<char>::const_iterator> ::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::vector<char>::reverse_iterator> ::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::vector<char>::const_reverse_iterator>::value), "");
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// vector
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::basic_string<char>::iterator> ::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::basic_string<char>::const_iterator> ::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::basic_string<char>::reverse_iterator> ::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::basic_string<char>::const_reverse_iterator>::value), "");
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#if TEST_STD_VER >= 11
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// Initializer list (which has no reverse iterators)
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::initializer_list<char>::iterator> ::value), "");
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static_assert(( std::__libcpp_string_gets_noexcept_iterator<std::initializer_list<char>::const_iterator> ::value), "");
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#endif
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return 0;
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}
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