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02_xs_edistance.t
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/
02_xs_edistance.t
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use strict;
use warnings;
use Test::More tests => 24;
use Text::Levenshtein::Damerau::XS qw/xs_edistance/;
is( xs_edistance('four','for'), 1, 'test xs_edistance insertion');
is( xs_edistance('four','four'), 0, 'test xs_edistance matching');
is( xs_edistance('four','fourth'), 2, 'test xs_edistance deletion');
is( xs_edistance('four','fuor'), 1, 'test xs_edistance transposition');
is( xs_edistance('four','fxxr'), 2, 'test xs_edistance substitution');
is( xs_edistance('four','FOuR'), 3, 'test xs_edistance case');
is( xs_edistance('four',''), 4, 'test xs_edistance target empty');
is( xs_edistance('','four'), 4, 'test xs_edistance source empty');
is( xs_edistance('',''), 0, 'test xs_edistance source and target empty');
is( xs_edistance('111','11'), 1, 'test xs_edistance numbers');
is( xs_edistance('xxx','x',1), -1, 'test xs_edistance > max distance setting');
is( xs_edistance('xxx','xx',1), 1, 'test xs_edistance <= max distance setting');
# some extra maxDistance tests
is( xs_edistance("xxx","xxxx",1), 1, 'test xs_edistance misc 1');
is( xs_edistance("xxx","xxxx",2), 1, 'test xs_edistance misc 2');
is( xs_edistance("xxx","xxxx",3), 1, 'test xs_edistance misc 3');
is( xs_edistance("xxxx","xxx",1), 1, 'test xs_edistance misc 4');
is( xs_edistance("xxxx","xxx",2), 1, 'test xs_edistance misc 5');
is( xs_edistance("xxxx","xxx",3), 1, 'test xs_edistance misc 6');
# Test some utf8
{
use utf8;
binmode STDOUT, ":encoding(utf8)";
is( xs_edistance('ⓕⓞⓤⓡ','ⓕⓞⓤⓡ'), 0, 'test xs_edistance matching (utf8)');
is( xs_edistance('ⓕⓞⓤⓡ','ⓕⓞⓡ'), 1, 'test xs_edistance insertion (utf8)');
is( xs_edistance('ⓕⓞⓤⓡ','ⓕⓞⓤⓡⓣⓗ') , 2, 'test xs_edistance deletion (utf8)');
is( xs_edistance('ⓕⓞⓤⓡ','ⓕⓤⓞⓡ'), 1, 'test xs_edistance transposition (utf8)');
is( xs_edistance('ⓕⓞⓤⓡ','ⓕⓧⓧⓡ'), 2, 'test xs_edistance substitution (utf8)');
is( xs_edistance('ⓕⓞⓤⓡ','ⓕⓧⓧⓡ',10), 2, 'test xs_edistance substitution with maxDistance=10 (utf8)');
}