--TEST--
levenshtein() function test
--FILE--
<?php 
 
function test_me($title,$expect,$text1,$text2,$cost1="",$cost2="",$cost3="") {
 
  if (
$cost1=="") { 
          
$result=levenshtein($text1,$text2);
  }
  elseif (
$cost2=="") {
          
$result=levenshtein($text1,$text2,$cost1);
  }
  else  {
    
$result=levenshtein($text1,$text2,$cost1,$cost2,$cost3);
  }
        if(
$result==$expect) return 0;
       
        echo 
"$title: result is $result instead of $expect ";
        echo 
"for '$text1'/'$text2' ";
        if(
$cost1) echo "($cost1:$cost2:$cost3)";
        echo 
"\n";
        
        return 
1;
}
 
$n=0;
 
$n += test_me("equal"      0"12345""12345");
$n += test_me("1st empty"  3,      "",   "xzy");
$n += test_me("2nd empty"  3,   "xzy",      "");
$n += test_me("both empty" 0,      "",      "");
$n += test_me("1 char"     1,     "1",     "2");
$n += test_me("2 char swap"2,    "12",    "21");
 
$n += test_me("inexpensive delete",  2"2121",   "11"211);
$n += test_me("expensive delete"  10"2121",   "11"215);
$n += test_me("inexpensive insert",  2,   "11""2121"111);
$n += test_me("expensive insert"  10,   "11""2121"511);
 
$n += test_me("expensive replace"     3"111""121"232);
$n += test_me("very expensive replace"4"111""121"292);
 
$n += test_me("bug #7368"2,     "13458",    "12345");
$n += test_me("bug #7368"2,      "1345",     "1234");
 
$n += test_me("bug #6562"1,    "debugg",    "debug");
$n += test_me("bug #6562"1,    "ddebug",    "debug");
$n += test_me("bug #6562"2,   "debbbug",    "debug");
$n += test_me("bug #6562"1"debugging""debuging");
 
$n += test_me("bug #16473"2"a""bc");
$n += test_me("bug #16473"2"xa""xbc");
$n += test_me("bug #16473"2"xax""xbcx");
$n += test_me("bug #16473"2"ax""bcx");
 
$n += test_me("custom", -1"111""121""my_levcode");
$n += test_me("lt maxlength1"254"AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsu""A");
$n += test_me("gt maxlength1", -1"AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuv""A");
 
$n += test_me("lt maxlength2"254"A""AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsu");
$n += test_me("gt maxlength2", -1"A",  "AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuv");
 
echo (
$n==0)?"all passed\n":"$n failed\n";

var_dump(levenshtein(array(), array()));
var_dump(levenshtein("""", -1, -1, -1));
var_dump(levenshtein(""""101010));
var_dump(levenshtein(""));

?>
--EXPECTF--
Warning: levenshtein(): The general Levenshtein support is not there yet in %s on line %d

Warning: levenshtein(): Argument string(s) too long in %s on line %d

Warning: levenshtein(): Argument string(s) too long in %s on line %d
all passed

Warning: levenshtein() expects parameter 1 to be string, array given in %s on line %d
NULL
int(0)
int(0)

Warning: Wrong parameter count for levenshtein() in %s on line %d
NULL