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// Boost string_algo library trim_test.cpp file ---------------------------//
// Copyright Pavol Droba 2002-2003. Use, modification and
// distribution is subject to 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 for updates, documentation, and revision history.
#include <boost/algorithm/string/trim.hpp>
#include <boost/algorithm/string/trim_all.hpp>
// Include unit test framework
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
#include <string>
#include <iostream>
#include <boost/test/test_tools.hpp>
using namespace std;
using namespace boost;
void trim_test()
{
string str1(" 1x x x x1 ");
string str2(" 2x x x x2 ");
string str3(" ");
// *** value passing tests *** //
// general string test
BOOST_CHECK( trim_left_copy( str1 )=="1x x x x1 " ) ;
BOOST_CHECK( trim_right_copy( str1 )==" 1x x x x1" ) ;
BOOST_CHECK( trim_copy( str1 )=="1x x x x1" ) ;
// spaces-only string test
BOOST_CHECK( trim_left_copy( str3 )=="" );
BOOST_CHECK( trim_right_copy( str3 )=="" );
BOOST_CHECK( trim_copy( str3 )=="" );
// empty string check
BOOST_CHECK( trim_left_copy( string("") )=="" );
BOOST_CHECK( trim_right_copy( string("") )=="" );
BOOST_CHECK( trim_copy( string("") )=="" );
// iterator tests
string str;
trim_left_copy_if( std::back_inserter(str), str1, is_space() );
BOOST_CHECK( str=="1x x x x1 " );
str.clear();
trim_right_copy_if( std::back_inserter(str), str1, is_space() );
BOOST_CHECK( str==" 1x x x x1" );
str.clear();
trim_copy_if( std::back_inserter(str), str1, is_space() );
BOOST_CHECK( str=="1x x x x1" );
str.clear();
trim_left_copy_if(
std::back_inserter(str),
" 1x x x x1 ",
is_space() );
BOOST_CHECK( str=="1x x x x1 " );
str.clear();
trim_right_copy_if(
std::back_inserter(str),
" 1x x x x1 ",
is_space() );
BOOST_CHECK( str==" 1x x x x1" );
str.clear();
trim_copy_if(
std::back_inserter(str),
" 1x x x x1 ",
is_space() );
BOOST_CHECK( str=="1x x x x1" );
// *** inplace tests *** //
// general string test
trim_left( str1 );
BOOST_CHECK( str1=="1x x x x1 " );
trim_right( str1 );
BOOST_CHECK( str1=="1x x x x1" );
trim( str2 );
BOOST_CHECK( str2=="2x x x x2" );
// spaces-only string test
str3 = " "; trim_left( str3 );
BOOST_CHECK( str3=="" );
str3 = " "; trim_right( str3 );
BOOST_CHECK( str3=="" );
str3 = " "; trim( str3 );
BOOST_CHECK( str3=="" );
// empty string check
str3 = ""; trim_left( str3 );
BOOST_CHECK( str3=="" );
str3 = ""; trim_right( str3 );
BOOST_CHECK( str3=="" );
str3 = ""; trim( str3 );
BOOST_CHECK( str3=="" );
// *** non-standard predicate tests *** //
BOOST_CHECK(
trim_copy_if(
string("123abc456"),
is_classified(std::ctype_base::digit) )=="abc" );
BOOST_CHECK( trim_copy_if( string("<>abc<>"), is_any_of( "<<>>" ) )=="abc" );
}
void trim_all_test()
{
string str1(" 1x x x x1 ");
string str2("+---...2x+--x--+x-+-x2...---+");
string str3(" ");
// *** value passing tests *** //
// general string test
BOOST_CHECK( trim_all_copy( str1 )=="1x x x x1" ) ;
BOOST_CHECK( trim_all_copy_if( str2, is_punct() )=="2x+x-x-x2" ) ;
// spaces-only string test
BOOST_CHECK( trim_all_copy( str3 )=="" );
// empty string check
BOOST_CHECK( trim_all_copy( string("") )=="" );
// general string test
trim_all( str1 );
BOOST_CHECK( str1=="1x x x x1" ) ;
trim_all_if( str2, is_punct() );
BOOST_CHECK( str2=="2x+x-x-x2" ) ;
// spaces-only string test
str3 = " "; trim_all( str3 );
BOOST_CHECK( str3=="" );
// empty string check
str3 = ""; trim_all( str3 );
BOOST_CHECK( str3=="" );
BOOST_CHECK( str3=="" );
// *** non-standard predicate tests *** //
BOOST_CHECK(
trim_all_copy_if(
string("123abc127deb456"),
is_classified(std::ctype_base::digit) )=="abc1deb" );
BOOST_CHECK( trim_all_copy_if( string("<>abc<>def<>"), is_any_of( "<<>>" ) )=="abc<def" );
}
void trim_fill_test()
{
string str1(" 1x x x x1 ");
string str2("+---...2x+--x--+x-+-x2...---+");
string str3(" ");
// *** value passing tests *** //
// general string test
BOOST_CHECK( trim_fill_copy( str1, "-" )=="1x-x-x-x1" ) ;
BOOST_CHECK( trim_fill_copy_if( str2, " ", is_punct() )=="2x x x x2" ) ;
// spaces-only string test
BOOST_CHECK( trim_fill_copy( str3, " " )=="" );
// empty string check
BOOST_CHECK( trim_fill_copy( string(""), " " )=="" );
// general string test
trim_fill( str1, "-" );
BOOST_CHECK( str1=="1x-x-x-x1" ) ;
trim_fill_if( str2, "", is_punct() );
BOOST_CHECK( str2=="2xxxx2" ) ;
// spaces-only string test
str3 = " "; trim_fill( str3, "" );
BOOST_CHECK( str3=="" );
// empty string check
str3 = ""; trim_fill( str3, "" );
BOOST_CHECK( str3=="" );
BOOST_CHECK( str3=="" );
// *** non-standard predicate tests *** //
BOOST_CHECK(
trim_fill_copy_if(
string("123abc127deb456"),
"+",
is_classified(std::ctype_base::digit) )=="abc+deb" );
BOOST_CHECK( trim_fill_copy_if( string("<>abc<>def<>"), "-", is_any_of( "<<>>" ) )=="abc-def" );
}
BOOST_AUTO_TEST_CASE( test_main )
{
trim_test();
trim_all_test();
trim_fill_test();
}
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