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// (C) Copyright Gennadiy Rozental 2001-2014.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/test for the library home page.
//
// Description : simple string class test
// ***************************************************************************
#define BOOST_TEST_MODULE const_string test
#include <boost/test/unit_test.hpp>
#include <const_string.hpp>
using common_layer::const_string;
BOOST_AUTO_TEST_CASE( constructors_test )
{
const_string cs0( "" );
BOOST_CHECK_EQUAL( cs0.length(), (size_t)0 );
BOOST_CHECK_EQUAL( cs0.begin(), "" );
BOOST_CHECK_EQUAL( cs0.end(), "" );
BOOST_CHECK( cs0.is_empty() );
const_string cs01( NULL );
BOOST_CHECK_EQUAL( cs01.length(), (size_t)0 );
BOOST_CHECK_EQUAL( cs01.begin(), "" );
BOOST_CHECK_EQUAL( cs01.end(), "" );
BOOST_CHECK( cs01.is_empty() );
const_string cs1( "test_string" );
BOOST_CHECK_EQUAL( std::strcmp( cs1.data(), "test_string" ), 0 );
BOOST_CHECK_EQUAL( cs1.length(), std::strlen("test_string") );
std::string s( "test_string" );
const_string cs2( s );
BOOST_CHECK_EQUAL( std::strcmp( cs2.data(), "test_string" ), 0 );
const_string cs3( cs1 );
BOOST_CHECK_EQUAL( std::strcmp( cs1.data(), "test_string" ), 0 );
const_string cs4( "test_string", 4 );
BOOST_CHECK_EQUAL( std::strncmp( cs4.data(), "test", cs4.length() ), 0 );
const_string cs5( s.data(), s.data() + s.length() );
BOOST_CHECK_EQUAL( std::strncmp( cs5.data(), "test_string", cs5.length() ), 0 );
const_string cs_array[] = { "str1", "str2" };
BOOST_CHECK_EQUAL( cs_array[0], "str1" );
BOOST_CHECK_EQUAL( cs_array[1], "str2" );
}
BOOST_AUTO_TEST_CASE( data_access_test )
{
const_string cs1( "test_string" );
BOOST_CHECK_EQUAL( std::strcmp( cs1.data(), "test_string" ), 0 );
BOOST_CHECK_EQUAL( std::strcmp( cs1.data(), cs1 ), 0 );
BOOST_CHECK_EQUAL( cs1[(size_t)0], 't' );
BOOST_CHECK_EQUAL( cs1[(size_t)4], '_' );
BOOST_CHECK_EQUAL( cs1[cs1.length()-1], 'g' );
BOOST_CHECK_EQUAL( cs1[(size_t)0], cs1.at( 0 ) );
BOOST_CHECK_EQUAL( cs1[(size_t)2], cs1.at( 5 ) );
BOOST_CHECK_EQUAL( cs1.at( cs1.length() - 1 ), 'g' );
BOOST_CHECK_THROW( cs1.at( cs1.length() ), std::out_of_range );
BOOST_CHECK_EQUAL( common_layer::first_char()( cs1 ), 't' );
BOOST_CHECK_EQUAL( common_layer::last_char()( cs1 ) , 'g' );
}
BOOST_AUTO_TEST_CASE( length_test )
{
const_string cs1;
BOOST_CHECK_EQUAL( cs1.length(), (size_t)0 );
BOOST_CHECK( cs1.is_empty() );
cs1 = "";
BOOST_CHECK_EQUAL( cs1.length(), (size_t)0 );
BOOST_CHECK( cs1.is_empty() );
cs1 = "test_string";
BOOST_CHECK_EQUAL( cs1.length(), (size_t)11 );
cs1.erase();
BOOST_CHECK_EQUAL( cs1.length(), (size_t)0 );
BOOST_CHECK_EQUAL( cs1.data(), "" );
cs1 = const_string( "test_string", 4 );
BOOST_CHECK_EQUAL( cs1.length(), (size_t)4 );
cs1.resize( 5 );
BOOST_CHECK_EQUAL( cs1.length(), (size_t)4 );
cs1.resize( 3 );
BOOST_CHECK_EQUAL( cs1.length(), (size_t)3 );
cs1.rshorten();
BOOST_CHECK_EQUAL( cs1.length(), (size_t)2 );
BOOST_CHECK_EQUAL( cs1[(size_t)0], 't' );
cs1.lshorten();
BOOST_CHECK_EQUAL( cs1.length(), (size_t)1 );
BOOST_CHECK_EQUAL( cs1[(size_t)0], 'e' );
cs1.lshorten();
BOOST_CHECK( cs1.is_empty() );
BOOST_CHECK_EQUAL( cs1.data(), "" );
cs1 = "test_string";
cs1.lshorten( 11 );
BOOST_CHECK( cs1.is_empty() );
BOOST_CHECK_EQUAL( cs1.data(), "" );
}
BOOST_AUTO_TEST_CASE( asignment_test )
{
const_string cs1;
std::string s( "test_string" );
cs1 = "test";
BOOST_CHECK_EQUAL( std::strcmp( cs1.data(), "test" ), 0 );
cs1 = s;
BOOST_CHECK_EQUAL( std::strcmp( cs1.data(), "test_string" ), 0 );
cs1.assign( "test" );
BOOST_CHECK_EQUAL( std::strcmp( cs1.data(), "test" ), 0 );
const_string cs2( "test_string" );
cs1.swap( cs2 );
BOOST_CHECK_EQUAL( std::strcmp( cs1.data(), "test_string" ), 0 );
BOOST_CHECK_EQUAL( std::strcmp( cs2.data(), "test" ), 0 );
}
BOOST_AUTO_TEST_CASE( comparison_test )
{
const_string cs1( "test_string" );
const_string cs2( "test_string" );
std::string s( "test_string" );
BOOST_CHECK_EQUAL( cs1, "test_string" );
BOOST_CHECK_EQUAL( "test_string", cs1 );
BOOST_CHECK_EQUAL( cs1, cs2 );
BOOST_CHECK_EQUAL( cs1, s );
BOOST_CHECK_EQUAL( s , cs1 );
cs1.resize( 4 );
BOOST_CHECK( cs1 != "test_string" );
BOOST_CHECK( "test_string" != cs1 );
BOOST_CHECK( cs1 != cs2 );
BOOST_CHECK( cs1 != s );
BOOST_CHECK( s != cs1 );
BOOST_CHECK_EQUAL( cs1, "test" );
}
BOOST_AUTO_TEST_CASE( iterators_test )
{
const_string cs1( "test_string" );
std::string s;
std::copy( cs1.begin(), cs1.end(), std::back_inserter( s ) );
BOOST_CHECK_EQUAL( cs1, s );
s.erase();
std::copy( cs1.rbegin(), cs1.rend(), std::back_inserter( s ) );
BOOST_CHECK_EQUAL( const_string( s ), "gnirts_tset" );
}
BOOST_AUTO_TEST_CASE( search_test )
{
const_string cs( "test_string" );
BOOST_CHECK_EQUAL( cs.find_first_of( 't' ), cs.begin() );
BOOST_CHECK_EQUAL( cs.find_last_of( 't' ), cs.begin() + 6 );
BOOST_CHECK_EQUAL( cs.find_first_of( "st" ), cs.begin() + 2 );
BOOST_CHECK_EQUAL( cs.find_last_of( "st" ), cs.begin() + 5 );
}
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