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core/test/sv_construct_test.cpp
Peter Dimov 76401063a6 Remove constexpr test from sv_construct_test
2024-02-07 06:34:06 +02:00

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// Copyright 2021 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/core/detail/string_view.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/config.hpp>
#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
# if defined(__apple_build_version__)
// Under macOS, it's possible for the header
// <memory_resource> to be present, but for
// libc++.dylib to not have support for it.
// https://github.com/boostorg/core/issues/162
# define BOOST_NO_CXX17_HDR_MEMORY_RESOURCE
# endif
#endif
#include <iterator>
#include <string>
#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
# include <string_view>
#endif
#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
# include <memory_resource>
#endif
template<class It> std::reverse_iterator<It> make_reverse_iterator( It it )
{
return std::reverse_iterator<It>( it );
}
int main()
{
{
boost::core::string_view sv;
BOOST_TEST_EQ( sv.data(), static_cast<char const*>(0) );
BOOST_TEST_EQ( sv.size(), 0 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
}
{
char const* s = "";
boost::core::string_view sv( s );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 0 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
char const* s = "123";
boost::core::string_view sv( s );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 3 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
char const* s = "123";
boost::core::string_view sv( s, 0 );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 0 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
char const* s = "123";
boost::core::string_view sv( s, 2 );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 2 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
char const* s = "123";
boost::core::string_view sv( s, s );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 0 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
char const* s = "123";
boost::core::string_view sv( s, s + 2 );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 2 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
std::string str = "123";
boost::core::string_view sv( str );
BOOST_TEST_EQ( sv.data(), str.data() );
BOOST_TEST_EQ( sv.size(), str.size() );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
{
std::string_view str = "123";
boost::core::string_view sv( str );
BOOST_TEST_EQ( sv.data(), str.data() );
BOOST_TEST_EQ( sv.size(), str.size() );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
#endif
#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
{
using pmr_string = std::basic_string<char, std::char_traits<char>, std::pmr::polymorphic_allocator<char>>;
pmr_string str = "123";
boost::core::string_view sv( str );
BOOST_TEST_EQ( sv.data(), str.data() );
BOOST_TEST_EQ( sv.size(), str.size() );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
#endif
return boost::report_errors();
}
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