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--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", 2, 1, 1);
$n += test_me("expensive delete" , 10, "2121", "11", 2, 1, 5);
$n += test_me("inexpensive insert", 2, "11", "2121", 1, 1, 1);
$n += test_me("expensive insert" , 10, "11", "2121", 5, 1, 1);
$n += test_me("expensive replace" , 3, "111", "121", 2, 3, 2);
$n += test_me("very expensive replace", 4, "111", "121", 2, 9, 2);
$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("", "", 10, 10, 10));
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
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