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$: << File.join(File.expand_path(File.dirname(__FILE__)), '..', 'lib')
require 'algorithms'
if defined? Algorithms::String
describe "string algorithms" do
it "should do levenshtein distance" do
expect(Algorithms::String.levenshtein_dist("Hello", "Hel")).to eql(2)
expect(Algorithms::String.levenshtein_dist("Hello", "")).to eql(5)
expect(Algorithms::String.levenshtein_dist("", "Hello")).to eql(5)
expect(Algorithms::String.levenshtein_dist("Hello", "Hello")).to eql(0)
expect(Algorithms::String.levenshtein_dist("Hello", "ello")).to eql(1)
expect(Algorithms::String.levenshtein_dist("Hello", "Mello")).to eql(1)
end
end
end
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