v/vlib/strings/similarity_test.v

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import strings
fn test_levenshtein_distance() {
assert strings.levenshtein_distance('', '') == 0
assert strings.levenshtein_distance('one', 'one') == 0
assert strings.levenshtein_distance('', 'two') == 3
assert strings.levenshtein_distance('three', '') == 5
assert strings.levenshtein_distance('bananna', '') == 7
assert strings.levenshtein_distance('cats', 'hats') == 1
assert strings.levenshtein_distance('hugs', 'shrugs') == 2
assert strings.levenshtein_distance('broom', 'shroom') == 2
assert strings.levenshtein_distance('flomax', 'volmax') == 3
}