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59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>C///</title>
</head>
# -*- ruby encoding: utf-8 -*-

require 'spec_helper'

describe "Diff::LCS.traverse_sequences" do
  describe "callback with no finishers" do
    describe "over (seq1, seq2)" do
      before(:each) do
        @callback_s1_s2 = simple_callback_no_finishers
        Diff::LCS.traverse_sequences(seq1, seq2, @callback_s1_s2)

        @callback_s2_s1 = simple_callback_no_finishers
        Diff::LCS.traverse_sequences(seq2, seq1, @callback_s2_s1)
      end

      it "has the correct LCS result on left-matches" do
        expect(@callback_s1_s2.matched_a).to eq(correct_lcs)
        expect(@callback_s2_s1.matched_a).to eq(correct_lcs)
      end

      it "has the correct LCS result on right-matches" do
        expect(@callback_s1_s2.matched_b).to eq(correct_lcs)
        expect(@callback_s2_s1.matched_b).to eq(correct_lcs)
      end

      it "has the correct skipped sequences with the left sequence" do
        expect(@callback_s1_s2.discards_a).to eq(skipped_seq1)
        expect(@callback_s2_s1.discards_a).to eq(skipped_seq2)
      end

      it "has the correct skipped sequences with the right sequence" do
        expect(@callback_s1_s2.discards_b).to eq(skipped_seq2)
        expect(@callback_s2_s1.discards_b).to eq(skipped_seq1)
      end

      it "does not have anything done markers from the left or right sequences" do
        expect(@callback_s1_s2.done_a).to be_empty
        expect(@callback_s1_s2.done_b).to be_empty
        expect(@callback_s2_s1.done_a).to be_empty
        expect(@callback_s2_s1.done_b).to be_empty
      end
    end

    describe "over (hello, hello)" do
      before(:each) do
        @callback = simple_callback_no_finishers
        Diff::LCS.traverse_sequences(hello, hello, @callback)
      end

      it "has the correct LCS result on left-matches" do
        expect(@callback.matched_a).to eq(hello.split(//))
      end

      it "has the correct LCS result on right-matches" do
        expect(@callback.matched_b).to eq(hello.split(//))
      end

      it "has the correct skipped sequences with the left sequence", :only => true do
        expect(@callback.discards_a).to be_empty
      end

      it "has the correct skipped sequences with the right sequence" do
        expect(@callback.discards_b).to be_empty
      end

      it "does not have anything done markers from the left or right sequences" do
        expect(@callback.done_a).to be_empty
        expect(@callback.done_b).to be_empty
      end
    end

    describe "over (hello_ary, hello_ary)" do
      before(:each) do
        @callback = simple_callback_no_finishers
        Diff::LCS.traverse_sequences(hello_ary, hello_ary, @callback)
      end

      it "has the correct LCS result on left-matches" do
        expect(@callback.matched_a).to eq(hello_ary)
      end

      it "has the correct LCS result on right-matches" do
        expect(@callback.matched_b).to eq(hello_ary)
      end

      it "has the correct skipped sequences with the left sequence" do
        expect(@callback.discards_a).to be_empty
      en