<!DOCTYPE html PUBLIC β-//W3C//DTD XHTML 1.0 Transitional//ENβ βwww.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtdβ> <html lang='en' xml:lang='en' xmlns='www.w3.org/1999/xhtml'>
<head> <title>rcov/ruby/1.8/gems/diff-lcs-1.1.2/lib/diff/lcs/change.rb</title> <link href="screen.css" media="all" rel="stylesheet" type="text/css" /> <link href="print.css" media="print" rel="stylesheet" type="text/css" /> <meta http-equiv="Content-type" content="text/html;charset=UTF-8" /> <script type="text/javascript" src="rcov.js"></script> </head> <body> <h1>Rspec Steps C0 Coverage Information - RCov</h1> <h2>rcov/ruby/1.8/gems/diff-lcs-1.1.2/lib/diff/lcs/change.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-change_rb.html">rcov/ruby/1.8/gems/diff-lcs-1.1.2/lib/diff/lcs/change.rb</a></td> <td class='right_align'><tt>169</tt></td> <td class='right_align'><tt>110</tt></td> <td class="left_align"><div class="percent_graph_legend"><tt class=''>54.44%</tt></div> <div class="percent_graph"> <div class="covered" style="width:54px"></div> <div class="uncovered" style="width:46px"></div> </div></td> <td class="left_align"><div class="percent_graph_legend"><tt class=''>31.82%</tt></div> <div class="percent_graph"> <div class="covered" style="width:32px"></div> <div class="uncovered" style="width:68px"></div> </div></td> </tr> </tbody> </table> </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 <diff-lcs@halostatue.ca></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 <perl@bike-nomad.com></pre></td> </tr> <tr class="inferred"> <td><pre><a name="line6">6</a> # Smalltalk by Mario I. Wolczko <mario@wolczko.com></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: change.rb,v 1.4 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> # Provides Diff::LCS::Change and Diff::LCS::ContextChange.</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> # Centralises the change test code in Diff::LCS::Change and</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line18">18</a> # Diff::LCS::ContextChange, since it's the same for both classes.</pre></td> </tr> <tr class="marked"> <td><pre><a name="line19">19</a> module Diff::LCS::ChangeTypeTests</pre></td> </tr> <tr class="marked"> <td><pre><a name="line20">20</a> def deleting?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line21">21</a> @action == '-'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line22">22</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line23">23</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line24">24</a> def adding?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line25">25</a> @action == '+'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line26">26</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line27">27</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line28">28</a> def unchanged?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line29">29</a> @action == '='</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line30">30</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line31">31</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line32">32</a> def changed?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line33">33</a> @changed == '!'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line34">34</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line35">35</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line36">36</a> def finished_a?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line37">37</a> @changed == '>'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line38">38</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line39">39</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line40">40</a> def finished_b?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line41">41</a> @changed == '<'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line42">42</a> end</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line43">43</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line44">44</a> </pre></td> </tr> <tr class="inferred"> <td><pre><a name="line45">45</a> # Represents a simplistic (non-contextual) change. Represents the removal or</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line46">46</a> # addition of an element from either the old or the new sequenced enumerable.</pre></td> </tr> <tr class="marked"> <td><pre><a name="line47">47</a> class Diff::LCS::Change</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line48">48</a> # Returns the action this Change represents. Can be '+' (#adding?), '-'</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line49">49</a> # (#deleting?), '=' (#unchanged?), # or '!' (#changed?). When created by</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line50">50</a> # Diff::LCS#diff or Diff::LCS#sdiff, it may also be '>' (#finished_a?) or</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line51">51</a> # '<' (#finished_b?).</pre></td> </tr> <tr class="marked"> <td><pre><a name="line52">52</a> attr_reader :action</pre></td> </tr> <tr class="marked"> <td><pre><a name="line53">53</a> attr_reader :position</pre></td> </tr> <tr class="marked"> <td><pre><a name="line54">54</a> attr_reader :element</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line55">55</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line56">56</a> include Comparable</pre></td> </tr> <tr class="marked"> <td><pre><a name="line57">57</a> def ==(other)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line58">58</a> (self.action == other.action) and</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line59">59</a> (self.position == other.position) and</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line60">60</a> (self.element == other.element)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line61">61</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line62">62</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line63">63</a> def <=>(other)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line64">64</a> r = self.action <=> other.action</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line65">65</a> r = self.position <=> other.position if r.zero?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line66">66</a> r = self.element <=> other.element if r.zero?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line67">67</a> r</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line68">68</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line69">69</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line70">70</a> def initialize(action, position, element)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line71">71</a> @action = action</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line72">72</a> @position = position</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line73">73</a> @element = element</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line74">74</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line75">75</a> </pre></td> </tr> <tr class="inferred"> <td><pre><a name="line76">76</a> # Creates a Change from an array produced by Change#to_a.</pre></td> </tr> <tr class="marked"> <td><pre><a name="line77">77</a> def to_a</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line78">78</a> [@action, @position, @element]</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line79">79</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line80">80</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line81">81</a> def self.from_a(arr)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line82">82</a> Diff::LCS::Change.new(arr[0], arr[1], arr[2])</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line83">83</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line84">84</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line85">85</a> include Diff::LCS::ChangeTypeTests</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line86">86</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line87">87</a> </pre></td> </tr> <tr class="inferred"> <td><pre><a name="line88">88</a> # Represents a contextual change. Contains the position and values of the</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line89">89</a> # elements in the old and the new sequenced enumerables as well as the action</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line90">90</a> # taken.</pre></td> </tr> <tr class="marked"> <td><pre><a name="line91">91</a> class Diff::LCS::ContextChange</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line92">92</a> # Returns the action this Change represents. Can be '+' (#adding?), '-'</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line93">93</a> # (#deleting?), '=' (#unchanged?), # or '!' (#changed?). When</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line94">94</a> # created by Diff::LCS#diff or Diff::LCS#sdiff, it may also be '>'</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line95">95</a> # (#finished_a?) or '<' (#finished_b?).</pre></td> </tr> <tr class="marked"> <td><pre><a name="line96">96</a> attr_reader :action</pre></td> </tr> <tr class="marked"> <td><pre><a name="line97">97</a> attr_reader :old_position</pre></td> </tr> <tr class="marked"> <td><pre><a name="line98">98</a> attr_reader :old_element</pre></td> </tr> <tr class="marked"> <td><pre><a name="line99">99</a> attr_reader :new_position</pre></td> </tr> <tr class="marked"> <td><pre><a name="line100">100</a> attr_reader :new_element</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line101">101</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line102">102</a> include Comparable</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line103">103</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line104">104</a> def ==(other)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line105">105</a> (@action == other.action) and</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line106">106</a> (@old_position == other.old_position) and</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line107">107</a> (@new_position == other.new_position) and</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line108">108</a> (@old_element == other.old_element) and</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line109">109</a> (@new_element == other.new_element)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line110">110</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line111">111</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line112">112</a> def inspect(*args)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line113">113</a> %Q(#<#{self.class.name}:#{__id__} @action=#{action} positions=#{old_position},#{new_position} elements=#{old_element.inspect},#{new_element.inspect}>)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line114">114</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line115">115</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line116">116</a> def <=>(other)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line117">117</a> r = @action <=> other.action</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line118">118</a> r = @old_position <=> other.old_position if r.zero?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line119">119</a> r = @new_position <=> other.new_position if r.zero?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line120">120</a> r = @old_element <=> other.old_element if r.zero?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line121">121</a> r = @new_element <=> other.new_element if r.zero?</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line122">122</a> r</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line123">123</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line124">124</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line125">125</a> def initialize(action, old_position, old_element, new_position, new_element)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line126">126</a> @action = action</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line127">127</a> @old_position = old_position</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line128">128</a> @old_element = old_element</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line129">129</a> @new_position = new_position</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line130">130</a> @new_element = new_element</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line131">131</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line132">132</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line133">133</a> def to_a</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line134">134</a> [@action, [@old_position, @old_element], [@new_position, @new_element]]</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line135">135</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line136">136</a> </pre></td> </tr> <tr class="inferred"> <td><pre><a name="line137">137</a> # Creates a ContextChange from an array produced by ContextChange#to_a.</pre></td> </tr> <tr class="marked"> <td><pre><a name="line138">138</a> def self.from_a(arr)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line139">139</a> if arr.size == 5</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line140">140</a> Diff::LCS::ContextChange.new(arr[0], arr[1], arr[2], arr[3], arr[4])</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line141">141</a> else</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line142">142</a> Diff::LCS::ContextChange.new(arr[0], arr[1][0], arr[1][1], arr[2][0],</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line143">143</a> arr[2][1])</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line144">144</a> end</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line145">145</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line146">146</a> </pre></td> </tr> <tr class="inferred"> <td><pre><a name="line147">147</a> # Simplifies a context change for use in some diff callbacks. '<' actions</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line148">148</a> # are converted to '-' and '>' actions are converted to '+'. </pre></td> </tr> <tr class="marked"> <td><pre><a name="line149">149</a> def self.simplify(event)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line150">150</a> ea = event.to_a</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line151">151</a> </pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line152">152</a> case ea[0]</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line153">153</a> when '-'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line154">154</a> ea[2][1] = nil</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line155">155</a> when '<'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line156">156</a> ea[0] = '-'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line157">157</a> ea[2][1] = nil</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line158">158</a> when '+'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line159">159</a> ea[1][1] = nil</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line160">160</a> when '>'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line161">161</a> ea[0] = '+'</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line162">162</a> ea[1][1] = nil</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line163">163</a> end</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line164">164</a> </pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line165">165</a> Diff::LCS::ContextChange.from_a(ea)</pre></td> </tr> <tr class="uncovered"> <td><pre><a name="line166">166</a> end</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line167">167</a> </pre></td> </tr> <tr class="marked"> <td><pre><a name="line168">168</a> include Diff::LCS::ChangeTypeTests</pre></td> </tr> <tr class="inferred"> <td><pre><a name="line169">169</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> </body>
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