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--TEST--
compare()
--SKIPIF--
<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
<?php if (version_compare(INTL_ICU_VERSION, '51.2') >= 0) die('skip for ICU < 51.2'); ?>
--FILE--
<?php
/*
* Compare various string pairs using various locales.
*/
/*
* Converts comparison result to a character.
*/
function cmp_to_char( $comp_res )
{
switch( $comp_res )
{
case 0: // UCOL_EQUAL
return '=';
case 1: // UCOL_GREATER
return '>';
case -1: // UCOL_LESS
return '<';
default:
return '?';
}
}
/*
* Compare string pairs in the given array
* using specified locale.
*/
function compare_pairs( $locale, $test_array )
{
$res_str = '';
$coll = ut_coll_create( $locale );
foreach( $test_array as $test_strings )
{
list( $str1, $str2 ) = $test_strings;
// Compare strings.
$res_val = cmp_to_char( ut_coll_compare( $coll, $str1, $str2 ) );
// Concatenate result strings.
$res_str .= dump( $str1 ) .
' ' . $res_val . ' ' .
dump( $str2 ) . "\n";
}
return $res_str;
}
function ut_main()
{
$res_str = '';
// Compare strings using en_US locale.
$test_params = array(
array( 'abc', 'abc' ),
array( 'Abc', 'abc' ),
array( 'a' , 'abc' ),
array( 'a' , '' ),
array( '' , '' ),
array( 'a' , 'b' ),
array( 'ab' , 'b' ),
array( 'ab' , 'a' ),
array( 123 , 'abc' ),
array( 'ac' , null ),
array( '.' , '.' ),
// Try to compare long strings.
array( 'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcde',
'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdea'),
array( null , null )
);
$res_str .= compare_pairs( 'en_US', $test_params );
// Compare strings using ru_RU locale.
$test_params = array(
array( 'а', 'б' ),
array( 'а', 'аа' ),
array( 'аб', 'ба' ),
array( 'а', ',' ),
array( 'а', 'b' ),
array( 'а', 'bb' ),
array( 'а', 'ab' ),
array( 'а', null )
);
$res_str .= compare_pairs( 'ru_RU', $test_params );
// Compare strings using lt_LT locale.
$test_params = array(
array( 'y', 'k' )
);
$res_str .= compare_pairs( 'lt_LT', $test_params );
return $res_str;
}
include_once( 'ut_common.inc' );
ut_run();
?>
--EXPECT--
'abc' = 'abc'
'Abc' > 'abc'
'a' < 'abc'
'a' > ''
'' = ''
'a' < 'b'
'ab' < 'b'
'ab' > 'a'
123 < 'abc'
'ac' > NULL
'.' = '.'
'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcde' < 'abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdea'
NULL = NULL
'а' < 'б'
'а' < 'аа'
'аб' < 'ба'
'а' > ','
'а' > 'b'
'а' > 'bb'
'а' > 'ab'
'а' > NULL
'y' < 'k'