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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="content-type" content="text/html; charset=UTF-8" /><title>ReplayCharSequenceTest xref</title><link type="text/css" rel="stylesheet" href="../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../apidocs/org/archive/io/ReplayCharSequenceTest.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*<em class="comment"> ReplayCharSequenceTest</em></em><a name="2" href="#2">2</a> <em class="comment"> *</em><a name="3" href="#3">3</a> <em class="comment"> * Created on Dec 26, 2006</em><a name="4" href="#4">4</a> <em class="comment"> *</em><a name="5" href="#5">5</a> <em class="comment"> * Copyright (C) 2006 Internet Archive.</em><a name="6" href="#6">6</a> <em class="comment"> *</em><a name="7" href="#7">7</a> <em class="comment"> * This file is part of the Heritrix web crawler (crawler.archive.org).</em><a name="8" href="#8">8</a> <em class="comment"> *</em><a name="9" href="#9">9</a> <em class="comment"> * Heritrix is free software; you can redistribute it and/or modify</em><a name="10" href="#10">10</a> <em class="comment"> * it under the terms of the GNU Lesser Public License as published by</em><a name="11" href="#11">11</a> <em class="comment"> * the Free Software Foundation; either version 2.1 of the License, or</em><a name="12" href="#12">12</a> <em class="comment"> * any later version.</em><a name="13" href="#13">13</a> <em class="comment"> *</em><a name="14" href="#14">14</a> <em class="comment"> * Heritrix is distributed in the hope that it will be useful,</em><a name="15" href="#15">15</a> <em class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em><a name="16" href="#16">16</a> <em class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</em><a name="17" href="#17">17</a> <em class="comment"> * GNU Lesser Public License for more details.</em><a name="18" href="#18">18</a> <em class="comment"> *</em><a name="19" href="#19">19</a> <em class="comment"> * You should have received a copy of the GNU Lesser Public License</em><a name="20" href="#20">20</a> <em class="comment"> * along with Heritrix; if not, write to the Free Software</em><a name="21" href="#21">21</a> <em class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</em><a name="22" href="#22">22</a> <em class="comment"> */</em><a name="23" href="#23">23</a> <strong>package</strong> <a href="../../../org/archive/io/package-summary.html">org.archive.io</a>;<a name="24" href="#24">24</a> <a name="25" href="#25">25</a> <strong>import</strong> java.io.File;<a name="26" href="#26">26</a> <strong>import</strong> java.io.IOException;<a name="27" href="#27">27</a> <strong>import</strong> java.util.Date;<a name="28" href="#28">28</a> <strong>import</strong> java.util.logging.Logger;<a name="29" href="#29">29</a> <a name="30" href="#30">30</a> <strong>import</strong> org.archive.util.FileUtils;<a name="31" href="#31">31</a> <strong>import</strong> org.archive.util.TmpDirTestCase;<a name="32" href="#32">32</a> <a name="33" href="#33">33</a> <em>/**<em>*</em></em><a name="34" href="#34">34</a> <em> * Test ReplayCharSequences.</em><a name="35" href="#35">35</a> <em> *</em><a name="36" href="#36">36</a> <em> * @author stack, gojomo</em><a name="37" href="#37">37</a> <em> * @version $Revision: 5099 $, $Date: 2007-04-27 02:14:08 +0000 (Fri, 27 Apr 2007) $</em><a name="38" href="#38">38</a> <em> */</em><a name="39" href="#39">39</a> <strong>public</strong> <strong>class</strong> <a href="../../../org/archive/io/ReplayCharSequenceTest.html">ReplayCharSequenceTest</a> <strong>extends</strong> <a href="../../../org/archive/util/TmpDirTestCase.html">TmpDirTestCase</a><a name="40" href="#40">40</a> {<a name="41" href="#41">41</a> <em>/**<em>*</em></em><a name="42" href="#42">42</a> <em> * Logger.</em><a name="43" href="#43">43</a> <em> */</em><a name="44" href="#44">44</a> <strong>private</strong> <strong>static</strong> Logger logger =<a name="45" href="#45">45</a> Logger.getLogger(<span class="string">"org.archive.io.ReplayCharSequenceFactoryTest"</span>);<a name="46" href="#46">46</a> <a name="47" href="#47">47</a> <a name="48" href="#48">48</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong> SEQUENCE_LENGTH = 127;<a name="49" href="#49">49</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong> MULTIPLIER = 3;<a name="50" href="#50">50</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong> BUFFER_SIZE = SEQUENCE_LENGTH * MULTIPLIER;<a name="51" href="#51">51</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong> INCREMENT = 1;<a name="52" href="#52">52</a> <a name="53" href="#53">53</a> <em>/**<em>*</em></em><a name="54" href="#54">54</a> <em> * Buffer of regular content.</em><a name="55" href="#55">55</a> <em> */</em><a name="56" href="#56">56</a> <strong>private</strong> byte [] regularBuffer = <strong>null</strong>;<a name="57" href="#57">57</a> <a name="58" href="#58">58</a> <em class="comment">/*</em><a name="59" href="#59">59</a> <em class="comment"> * @see TestCase#setUp()</em><a name="60" href="#60">60</a> <em class="comment"> */</em><a name="61" href="#61">61</a> <strong>protected</strong> <strong>void</strong> setUp() throws Exception<a name="62" href="#62">62</a> {<a name="63" href="#63">63</a> <strong>super</strong>.setUp();<a name="64" href="#64">64</a> <strong>this</strong>.regularBuffer =<a name="65" href="#65">65</a> fillBufferWithRegularContent(<strong>new</strong> byte [BUFFER_SIZE]);<a name="66" href="#66">66</a> }<a name="67" href="#67">67</a> <a name="68" href="#68">68</a> <strong>public</strong> <strong>void</strong> testShiftjis() throws IOException {<a name="69" href="#69">69</a> <a name="70" href="#70">70</a> <em class="comment">// Here's the bytes for the JIS encoding of the Japanese form of Nihongo</em><a name="71" href="#71">71</a> byte[] bytes_nihongo = {<a name="72" href="#72">72</a> (byte) 0x1B, (byte) 0x24, (byte) 0x42, (byte) 0x46,<a name="73" href="#73">73</a> (byte) 0x7C, (byte) 0x4B, (byte) 0x5C, (byte) 0x38,<a name="74" href="#74">74</a> (byte) 0x6C, (byte) 0x1B, (byte) 0x28, (byte) 0x42,<a name="75" href="#75">75</a> (byte) 0x1B, (byte) 0x28, (byte) 0x42 };<a name="76" href="#76">76</a> <strong>final</strong> String ENCODING = <span class="string">"SJIS"</span>;<a name="77" href="#77">77</a> <em class="comment">// Here is nihongo converted to JVM encoding.</em><a name="78" href="#78">78</a> String nihongo = <strong>new</strong> String(bytes_nihongo, ENCODING);<a name="79" href="#79">79</a> <a name="80" href="#80">80</a> <a href="../../../org/archive/io/RecordingOutputStream.html">RecordingOutputStream</a> ros = writeTestStream(<a name="81" href="#81">81</a> bytes_nihongo,MULTIPLIER,<a name="82" href="#82">82</a> <span class="string">"testShiftjis"</span>,MULTIPLIER);<a name="83" href="#83">83</a> <em class="comment">// TODO: check for existence of overflow file?</em><a name="84" href="#84">84</a> <a href="../../../org/archive/io/ReplayCharSequence.html">ReplayCharSequence</a> rcs = ros.getReplayCharSequence(ENCODING);<a name="85" href="#85">85</a> <a name="86" href="#86">86</a> <em class="comment">// Now check that start of the rcs comes back in as nihongo string.</em><a name="87" href="#87">87</a> String rcsStr = rcs.subSequence(0, nihongo.length()).toString();<a name="88" href="#88">88</a> assertTrue(<span class="string">"Nihongo "</span> + nihongo + <span class="string">" does not equal converted string"</span> +<a name="89" href="#89">89</a> <span class="string">" from rcs "</span> + rcsStr,<a name="90" href="#90">90</a> nihongo.equals(rcsStr));<a name="91" href="#91">91</a> <em class="comment">// And assert next string is also properly nihongo.</em><a name="92" href="#92">92</a> <strong>if</strong> (rcs.length() >= (nihongo.length() * 2)) {<a name="93" href="#93">93</a> rcsStr = rcs.subSequence(nihongo.length(),<a name="94" href="#94">94</a> nihongo.length() + nihongo.length()).toString();<a name="95" href="#95">95</a> assertTrue(<span class="string">"Nihongo "</span> + nihongo + <span class="string">" does not equal converted "</span> +<a name="96" href="#96">96</a> <span class="string">" string from rcs (2nd time)"</span> + rcsStr,<a name="97" href="#97">97</a> nihongo.equals(rcsStr));<a name="98" href="#98">98</a> }<a name="99" href="#99">99</a> }<a name="100" href="#100">100</a> <a name="101" href="#101">101</a> <strong>public</strong> <strong>void</strong> testGetReplayCharSequenceByteZeroOffset() throws IOException {<a name="102" href="#102">102</a> <a name="103" href="#103">103</a> <a href="../../../org/archive/io/RecordingOutputStream.html">RecordingOutputStream</a> ros = writeTestStream(<a name="104" href="#104">104</a> regularBuffer,MULTIPLIER,<a name="105" href="#105">105</a> <span class="string">"testGetReplayCharSequenceByteZeroOffset"</span>,MULTIPLIER);<a name="106" href="#106">106</a> <a href="../../../org/archive/io/ReplayCharSequence.html">ReplayCharSequence</a> rcs = ros.getReplayCharSequence();<a name="107" href="#107">107</a> <a name="108" href="#108">108</a> <strong>for</strong> (<strong>int</strong> i = 0; i < MULTIPLIER; i++) {<a name="109" href="#109">109</a> accessingCharacters(rcs);<a name="110" href="#110">110</a> }<a name="111" href="#111">111</a> }<a name="112" href="#112">112</a> <a name="113" href="#113">113</a> <strong>public</strong> <strong>void</strong> testGetReplayCharSequenceByteOffset() throws IOException {<a name="114" href="#114">114</a> <a name="115" href="#115">115</a> <a href="../../../org/archive/io/RecordingOutputStream.html">RecordingOutputStream</a> ros = writeTestStream(<a name="116" href="#116">116</a> regularBuffer,MULTIPLIER,<a name="117" href="#117">117</a> <span class="string">"testGetReplayCharSequenceByteOffset"</span>,MULTIPLIER);<a name="118" href="#118">118</a> <a href="../../../org/archive/io/ReplayCharSequence.html">ReplayCharSequence</a> rcs = ros.getReplayCharSequence(<strong>null</strong>,SEQUENCE_LENGTH);<a name="119" href="#119">119</a> <a name="120" href="#120">120</a> <strong>for</strong> (<strong>int</strong> i = 0; i < MULTIPLIER; i++) {<a name="121" href="#121">121</a> accessingCharacters(rcs);<a name="122" href="#122">122</a> }<a name="123" href="#123">123</a> }<a name="124" href="#124">124</a> <a name="125" href="#125">125</a> <strong>public</strong> <strong>void</strong> testGetReplayCharSequenceMultiByteZeroOffset()<a name="126" href="#126">126</a> throws IOException {<a name="127" href="#127">127</a> <a name="128" href="#128">128</a> <a href="../../../org/archive/io/RecordingOutputStream.html">RecordingOutputStream</a> ros = writeTestStream(<a name="129" href="#129">129</a> regularBuffer,MULTIPLIER,<a name="130" href="#130">130</a> <span class="string">"testGetReplayCharSequenceMultiByteZeroOffset"</span>,MULTIPLIER);<a name="131" href="#131">131</a> <a href="../../../org/archive/io/ReplayCharSequence.html">ReplayCharSequence</a> rcs = ros.getReplayCharSequence(<span class="string">"UTF-8"</span>);<a name="132" href="#132">132</a> <a name="133" href="#133">133</a> <strong>for</strong> (<strong>int</strong> i = 0; i < MULTIPLIER; i++) {<a name="134" href="#134">134</a> accessingCharacters(rcs);<a name="135" href="#135">135</a> }<a name="136" href="#136">136</a> }<a name="137" href="#137">137</a> <a name="138" href="#138">138</a> <strong>public</strong> <strong>void</strong> testGetReplayCharSequenceMultiByteOffset() throws IOException {<a name="139" href="#139">139</a> <a name="140" href="#140">140</a> <a href="../../../org/archive/io/RecordingOutputStream.html">RecordingOutputStream</a> ros = writeTestStream(?? 快捷鍵說明
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