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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 <cstddef>
int main()
{
{
char const* s1 = "12345";
char const* s2 = "";
boost::core::string_view sv1( s1 );
boost::core::string_view sv2( s2 );
sv1.swap( sv2 );
BOOST_TEST_EQ( sv1.data(), s2 );
BOOST_TEST_EQ( sv1.size(), 0 );
BOOST_TEST_EQ( sv2.data(), s1 );
BOOST_TEST_EQ( sv2.size(), 5);
}
{
boost::core::string_view sv;
char const* data = sv.data();
std::size_t size = sv.size();
sv.remove_prefix( 0 );
BOOST_TEST_EQ( sv.data(), data );
BOOST_TEST_EQ( sv.size(), size );
sv.remove_suffix( 0 );
BOOST_TEST_EQ( sv.data(), data );
BOOST_TEST_EQ( sv.size(), size );
}
{
boost::core::string_view sv( "" );
char const* data = sv.data();
std::size_t size = sv.size();
sv.remove_prefix( 0 );
BOOST_TEST_EQ( sv.data(), data );
BOOST_TEST_EQ( sv.size(), size );
sv.remove_suffix( 0 );
BOOST_TEST_EQ( sv.data(), data );
BOOST_TEST_EQ( sv.size(), size );
}
{
boost::core::string_view sv( "12345" );
char const* data = sv.data();
std::size_t size = sv.size();
sv.remove_prefix( 0 );
BOOST_TEST_EQ( sv.data(), data );
BOOST_TEST_EQ( sv.size(), size );
sv.remove_suffix( 0 );
BOOST_TEST_EQ( sv.data(), data );
BOOST_TEST_EQ( sv.size(), size );
}
{
boost::core::string_view sv( "12345" );
char const* data = sv.data();
std::size_t size = sv.size();
sv.remove_prefix( 2 );
BOOST_TEST_EQ( sv.data(), data + 2 );
BOOST_TEST_EQ( sv.size(), size - 2 );
}
{
boost::core::string_view sv( "12345" );
char const* data = sv.data();
std::size_t size = sv.size();
sv.remove_prefix( 5 );
BOOST_TEST_EQ( sv.data(), data + 5 );
BOOST_TEST_EQ( sv.size(), size - 5 );
}
{
boost::core::string_view sv( "12345" );
char const* data = sv.data();
std::size_t size = sv.size();
sv.remove_suffix( 2 );
BOOST_TEST_EQ( sv.data(), data );
BOOST_TEST_EQ( sv.size(), size - 2 );
}
{
boost::core::string_view sv( "12345" );
char const* data = sv.data();
std::size_t size = sv.size();
sv.remove_suffix( 5 );
BOOST_TEST_EQ( sv.data(), data );
BOOST_TEST_EQ( sv.size(), size - 5 );
}
return boost::report_errors();
}
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