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Versions: 96
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Stored size: 1.07 KB
Contents
# -*- ruby encoding: utf-8 -*-
require 'spec_helper'
describe "Diff::LCS.LCS and Diff::LCS.__lcs" do
include Diff::LCS::SpecHelper::Matchers
it "should return the correct raw values from Diff::LCS.__lcs" do
res = Diff::LCS.__lcs(seq1, seq2)
# The result of the LCS (less the +nil+ values) must be as long as the
# correct result.
res.compact.size.should == correct_lcs.size
res.should correctly_map_sequence(seq1).to_other_sequence(seq2)
# Compact these transformations and they should be the correct LCS.
x_seq1 = (0...res.size).map { |ix| res[ix] ? seq1[ix] : nil }.compact
x_seq2 = (0...res.size).map { |ix| res[ix] ? seq2[res[ix]] : nil }.compact
x_seq1.should == correct_lcs
x_seq2.should == correct_lcs
end
it "should return the correct compacted values from Diff::LCS.LCS" do
res = Diff::LCS.LCS(seq1, seq2)
res.should == correct_lcs
res.compact.should == res
end
it "should be transitive" do
res = Diff::LCS.LCS(seq2, seq1)
res.should == correct_lcs
res.compact.should == res
end
end
# vim: ft=ruby
Version data entries
96 entries across 89 versions & 16 rubygems