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  <title>rcov/ruby/1.8/gems/diff-lcs-1.1.2/lib/diff/lcs/block.rb</title>
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  <h1>Rspec Steps C0 Coverage Information - RCov</h1>
  <h2>rcov/ruby/1.8/gems/diff-lcs-1.1.2/lib/diff/lcs/block.rb</h2>

  <div class="report_table_wrapper">
    <table class='report' id='report_table'>
      <thead>
        <tr>
          <th class="left_align">Name</th>
          <th class="right_align">Total Lines</th>
          <th class="right_align">Lines of Code</th>
          <th class="left_align">Total Coverage</th>
          <th class="left_align">Code Coverage</th>
        </tr>
      </thead>
      <tbody>
        <tr>
          <td class="left_align"><a href="rcov-ruby-1_8-gems-diff-lcs-1_1_2-lib-diff-lcs-block_rb.html">rcov/ruby/1.8/gems/diff-lcs-1.1.2/lib/diff/lcs/block.rb</a></td>
          <td class='right_align'><tt>51</tt></td>
          <td class='right_align'><tt>28</tt></td>
          <td class="left_align"><div class="percent_graph_legend"><tt class=''>52.94%</tt></div>
        <div class="percent_graph">
          <div class="covered" style="width:53px"></div>
          <div class="uncovered" style="width:47px"></div>
        </div></td>
          <td class="left_align"><div class="percent_graph_legend"><tt class=''>17.86%</tt></div>
        <div class="percent_graph">
          <div class="covered" style="width:18px"></div>
          <div class="uncovered" style="width:82px"></div>
        </div></td>
        </tr>
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  </div>

  <h3>Key</h3>

  <div class="key"><pre><span class='marked'>Code reported as executed by Ruby looks like this...</span><span class='marked1'>and this: this line is also marked as covered.</span><span class='inferred'>Lines considered as run by rcov, but not reported by Ruby, look like this,</span><span class='inferred1'>and this: these lines were inferred by rcov (using simple heuristics).</span><span class='uncovered'>Finally, here's a line marked as not executed.</span></pre></div>

  <h3>Coverage Details</h3>

  <table class="details">
    <tbody>

        <tr class="inferred">
          <td><pre><a name="line1">1</a> #! /usr/env/bin ruby</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line2">2</a> #--</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line3">3</a> # Copyright 2004 Austin Ziegler &lt;diff-lcs@halostatue.ca&gt;</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line4">4</a> #   adapted from:</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line5">5</a> #     Algorithm::Diff (Perl) by Ned Konz &lt;perl@bike-nomad.com&gt;</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line6">6</a> #     Smalltalk by Mario I. Wolczko &lt;mario@wolczko.com&gt;</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line7">7</a> #   implements McIlroy-Hunt diff algorithm</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line8">8</a> #</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line9">9</a> # This program is free software. It may be redistributed and/or modified under</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line10">10</a> # the terms of the GPL version 2 (or later), the Perl Artistic licence, or the</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line11">11</a> # Ruby licence.</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line12">12</a> # </pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line13">13</a> # $Id: block.rb,v 1.3 2004/08/08 20:33:09 austin Exp $</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line14">14</a> #++</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line15">15</a> # Contains Diff::LCS::Block for bin/ldiff.</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line16">16</a> </pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line17">17</a>   # A block is an operation removing, adding, or changing a group of items.</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line18">18</a>   # Basically, this is just a list of changes, where each change adds or</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line19">19</a>   # deletes a single item. Used by bin/ldiff.</pre></td>
        </tr>

        <tr class="marked">
          <td><pre><a name="line20">20</a> class Diff::LCS::Block</pre></td>
        </tr>

        <tr class="marked">
          <td><pre><a name="line21">21</a>   attr_reader :changes, :insert, :remove</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line22">22</a> </pre></td>
        </tr>

        <tr class="marked">
          <td><pre><a name="line23">23</a>   def initialize(chunk)</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line24">24</a>     @changes = []</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line25">25</a>     @insert = []</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line26">26</a>     @remove = []</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line27">27</a> </pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line28">28</a>     chunk.each do |item|</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line29">29</a>       @changes &lt;&lt; item</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line30">30</a>       @remove &lt;&lt; item if item.deleting?</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line31">31</a>       @insert &lt;&lt; item if item.adding?</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line32">32</a>     end</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line33">33</a>   end</pre></td>
        </tr>

        <tr class="inferred">
          <td><pre><a name="line34">34</a> </pre></td>
        </tr>

        <tr class="marked">
          <td><pre><a name="line35">35</a>   def diff_size</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line36">36</a>     @insert.size - @remove.size</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line37">37</a>   end</pre></td>
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        <tr class="inferred">
          <td><pre><a name="line38">38</a> </pre></td>
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        <tr class="marked">
          <td><pre><a name="line39">39</a>   def op</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line40">40</a>     case [@remove.empty?, @insert.empty?]</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line41">41</a>     when [false, false]</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line42">42</a>       '!'</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line43">43</a>     when [false, true]</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line44">44</a>       '-'</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line45">45</a>     when [true, false]</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line46">46</a>       '+'</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line47">47</a>     else # [true, true]</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line48">48</a>       '^'</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line49">49</a>     end</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line50">50</a>   end</pre></td>
        </tr>

        <tr class="uncovered">
          <td><pre><a name="line51">51</a> end</pre></td>
        </tr>

    </tbody>
  </table>

  <p>Generated on Fri Apr 22 17:22:41 -0700 2011 with <a href="http://github.com/relevance/rcov">rcov 0.9.8</a></p>

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