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87 lines
3.7 KiB
PHP
87 lines
3.7 KiB
PHP
--TEST--
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levenshtein() function test
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--FILE--
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<?php
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function test_me($title,$expect,$text1,$text2,$cost1="",$cost2="",$cost3="") {
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if ($cost1=="") {
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$result=levenshtein($text1,$text2);
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}
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elseif ($cost2=="") {
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$result=levenshtein($text1,$text2,$cost1);
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}
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else {
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$result=levenshtein($text1,$text2,$cost1,$cost2,$cost3);
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}
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if($result==$expect) return 0;
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echo "$title: result is $result instead of $expect ";
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echo "for '$text1'/'$text2' ";
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if($cost1) echo "($cost1:$cost2:$cost3)";
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echo "\n";
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return 1;
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}
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$n=0;
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$n += test_me("equal" , 0, "12345", "12345");
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$n += test_me("1st empty" , 3, "", "xzy");
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$n += test_me("2nd empty" , 3, "xzy", "");
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$n += test_me("both empty" , 0, "", "");
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$n += test_me("1 char" , 1, "1", "2");
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$n += test_me("2 char swap", 2, "12", "21");
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$n += test_me("inexpensive delete", 2, "2121", "11", 2, 1, 1);
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$n += test_me("expensive delete" , 10, "2121", "11", 2, 1, 5);
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$n += test_me("inexpensive insert", 2, "11", "2121", 1, 1, 1);
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$n += test_me("expensive insert" , 10, "11", "2121", 5, 1, 1);
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$n += test_me("expensive replace" , 3, "111", "121", 2, 3, 2);
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$n += test_me("very expensive replace", 4, "111", "121", 2, 9, 2);
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$n += test_me("bug #7368", 2, "13458", "12345");
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$n += test_me("bug #7368", 2, "1345", "1234");
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$n += test_me("bug #6562", 1, "debugg", "debug");
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$n += test_me("bug #6562", 1, "ddebug", "debug");
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$n += test_me("bug #6562", 2, "debbbug", "debug");
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$n += test_me("bug #6562", 1, "debugging", "debuging");
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$n += test_me("bug #16473", 2, "a", "bc");
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$n += test_me("bug #16473", 2, "xa", "xbc");
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$n += test_me("bug #16473", 2, "xax", "xbcx");
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$n += test_me("bug #16473", 2, "ax", "bcx");
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$n += test_me("custom", -1, "111", "121", "my_levcode");
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$n += test_me("lt maxlength1", 254, "AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsu", "A");
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$n += test_me("gt maxlength1", -1, "AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuv", "A");
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$n += test_me("lt maxlength2", 254, "A", "AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsu");
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$n += test_me("gt maxlength2", -1, "A", "AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuvwxyzAbcdefghijklmnopqrtsuv");
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echo ($n==0)?"all passed\n":"$n failed\n";
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var_dump(levenshtein(array(), array()));
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var_dump(levenshtein("", "", -1, -1, -1));
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var_dump(levenshtein("", "", 10, 10, 10));
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var_dump(levenshtein(""));
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?>
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--EXPECTF--
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Warning: levenshtein(): The general Levenshtein support is not there yet in %s on line %d
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Warning: levenshtein(): Argument string(s) too long in %s on line %d
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Warning: levenshtein(): Argument string(s) too long in %s on line %d
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all passed
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Warning: levenshtein() expects parameter 1 to be string, array given in %s on line %d
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NULL
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int(0)
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int(0)
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Warning: Wrong parameter count for levenshtein() in %s on line %d
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NULL
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