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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=="" );

// *** 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=="" );

// *** 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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