<!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=ISO-8859-1" /><title>IteratorTest xref</title>
<link type="text/css" rel="stylesheet" href="../../stylesheet.css" />
</head>
<body>
<pre>
<a name="1" href="#1">1</a> <em class="comment">/*</em>
<a name="2" href="#2">2</a> <em class="comment"> * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.</em>
<a name="3" href="#3">3</a> <em class="comment"> *</em>
<a name="4" href="#4">4</a> <em class="comment"> * This software is open source.</em>
<a name="5" href="#5">5</a> <em class="comment"> * See the bottom of this file for the licence.</em>
<a name="6" href="#6">6</a> <em class="comment"> */</em>
<a name="7" href="#7">7</a>
<a name="8" href="#8">8</a> <strong>package</strong> <a href="../../org/dom4j/package-summary.html">org.dom4j</a>;
<a name="9" href="#9">9</a>
<a name="10" href="#10">10</a> <strong>import</strong> junit.textui.TestRunner;
<a name="11" href="#11">11</a>
<a name="12" href="#12">12</a> <strong>import</strong> java.util.Iterator;
<a name="13" href="#13">13</a> <strong>import</strong> java.util.List;
<a name="14" href="#14">14</a>
<a name="15" href="#15">15</a> <em>/**<em>*</em></em>
<a name="16" href="#16">16</a> <em> * A test harness to test the Iterator API in DOM4J</em>
<a name="17" href="#17">17</a> <em> * </em>
<a name="18" href="#18">18</a> <em> * @author <a href="<a href="mailto:jdoughty@jdoughty@cs.gmu.edu" target="alexandria_uri">mailto:jdoughty@jdoughty@cs.gmu.edu</a>">Jonathan Doughty </a></em>
<a name="19" href="#19">19</a> <em> * @version $Revision: 1.4 $</em>
<a name="20" href="#20">20</a> <em> */</em>
<a name="21" href="#21">21</a> <strong>public</strong> <strong>class</strong> <a href="../../org/dom4j/IteratorTest.html">IteratorTest</a> <strong>extends</strong> <a href="../../org/dom4j/AbstractTestCase.html">AbstractTestCase</a> {
<a name="22" href="#22">22</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong> NUMELE = 10;
<a name="23" href="#23">23</a>
<a name="24" href="#24">24</a> <strong>protected</strong> Document iterDocument;
<a name="25" href="#25">25</a>
<a name="26" href="#26">26</a> <strong>public</strong> <strong>static</strong> <strong>void</strong> main(String[] args) {
<a name="27" href="#27">27</a> TestRunner.run(IteratorTest.<strong>class</strong>);
<a name="28" href="#28">28</a> }
<a name="29" href="#29">29</a>
<a name="30" href="#30">30</a> <strong>protected</strong> <strong>void</strong> setUp() throws Exception {
<a name="31" href="#31">31</a> <strong>super</strong>.setUp();
<a name="32" href="#32">32</a> iterDocument = DocumentHelper.createDocument();
<a name="33" href="#33">33</a>
<a name="34" href="#34">34</a> Element root = iterDocument.addElement(<span class="string">"root"</span>);
<a name="35" href="#35">35</a>
<a name="36" href="#36">36</a> <strong>for</strong> (<strong>int</strong> i = 0; i < NUMELE; i++) {
<a name="37" href="#37">37</a> root.addElement(<span class="string">"iterator test"</span>).addAttribute(<span class="string">"instance"</span>,
<a name="38" href="#38">38</a> Integer.toString(i));
<a name="39" href="#39">39</a> }
<a name="40" href="#40">40</a> }
<a name="41" href="#41">41</a>
<a name="42" href="#42">42</a> <em class="comment">// Test case(s)</em>
<a name="43" href="#43">43</a> <em class="comment">// -------------------------------------------------------------------------</em>
<a name="44" href="#44">44</a> <strong>public</strong> <strong>void</strong> testElementCount() throws Exception {
<a name="45" href="#45">45</a> Element root = iterDocument.getRootElement();
<a name="46" href="#46">46</a> assertTrue(<span class="string">"Has root element"</span>, root != <strong>null</strong>);
<a name="47" href="#47">47</a>
<a name="48" href="#48">48</a> List elements = root.elements(<span class="string">"iterator test"</span>);
<a name="49" href="#49">49</a> <strong>int</strong> elementSize = elements.size();
<a name="50" href="#50">50</a> assertTrue(<span class="string">"Root has "</span> + elementSize + <span class="string">" children"</span>, (elements != <strong>null</strong>)
<a name="51" href="#51">51</a> && (elementSize == NUMELE));
<a name="52" href="#52">52</a> }
<a name="53" href="#53">53</a>
<a name="54" href="#54">54</a> <strong>public</strong> <strong>void</strong> testPlainIteration() throws Exception {
<a name="55" href="#55">55</a> Element root = iterDocument.getRootElement();
<a name="56" href="#56">56</a> List elements = root.elements(<span class="string">"iterator test"</span>);
<a name="57" href="#57">57</a> Iterator iter = root.elementIterator(<span class="string">"iterator test"</span>);
<a name="58" href="#58">58</a> <strong>int</strong> elementSize = elements.size();
<a name="59" href="#59">59</a>
<a name="60" href="#60">60</a> <strong>int</strong> count = 0;
<a name="61" href="#61">61</a>
<a name="62" href="#62">62</a> <strong>for</strong> (; iter.hasNext();) {
<a name="63" href="#63">63</a> Element e = (Element) iter.next();
<a name="64" href="#64">64</a> assertEquals(<span class="string">"instance "</span> + e.attribute(<span class="string">"instance"</span>).getValue()
<a name="65" href="#65">65</a> + <span class="string">" equals "</span> + count, e.attribute(<span class="string">"instance"</span>).getValue(),
<a name="66" href="#66">66</a> Integer.toString(count));
<a name="67" href="#67">67</a> count++;
<a name="68" href="#68">68</a> }
<a name="69" href="#69">69</a>
<a name="70" href="#70">70</a> assertTrue(elementSize + <span class="string">" elements iterated"</span>, count == elementSize);
<a name="71" href="#71">71</a> }
<a name="72" href="#72">72</a>
<a name="73" href="#73">73</a> <strong>public</strong> <strong>void</strong> testSkipAlternates() throws Exception {
<a name="74" href="#74">74</a> Element root = iterDocument.getRootElement();
<a name="75" href="#75">75</a> List elements = root.elements(<span class="string">"iterator test"</span>);
<a name="76" href="#76">76</a> Iterator iter = root.elementIterator(<span class="string">"iterator test"</span>);
<a name="77" href="#77">77</a> <strong>int</strong> elementSize = elements.size();
<a name="78" href="#78">78</a> <strong>int</strong> count = 0;
<a name="79" href="#79">79</a>
<a name="80" href="#80">80</a> <strong>for</strong> (; iter.hasNext();) {
<a name="81" href="#81">81</a> Element e = (Element) iter.next();
<a name="82" href="#82">82</a> assertEquals(<span class="string">"instance "</span> + e.attribute(<span class="string">"instance"</span>).getValue()
<a name="83" href="#83">83</a> + <span class="string">" equals "</span> + (count * 2), e.attribute(<span class="string">"instance"</span>)
<a name="84" href="#84">84</a> .getValue(), Integer.toString(count * 2));
<a name="85" href="#85">85</a> iter.next();
<a name="86" href="#86">86</a> count++;
<a name="87" href="#87">87</a> }
<a name="88" href="#88">88</a>
<a name="89" href="#89">89</a> assertTrue((elementSize / 2) + <span class="string">" alternate elements iterated"</span>,
<a name="90" href="#90">90</a> count == (elementSize / 2));
<a name="91" href="#91">91</a> }
<a name="92" href="#92">92</a>
<a name="93" href="#93">93</a> <strong>public</strong> <strong>void</strong> testNoHasNext() throws Exception {
<a name="94" href="#94">94</a> Element root = iterDocument.getRootElement();
<a name="95" href="#95">95</a> List elements = root.elements(<span class="string">"iterator test"</span>);
<a name="96" href="#96">96</a> Iterator iter = root.elementIterator(<span class="string">"iterator test"</span>);
<a name="97" href="#97">97</a> <strong>int</strong> elementSize = elements.size();
<a name="98" href="#98">98</a> <strong>int</strong> count = 0;
<a name="99" href="#99">99</a> Element e = <strong>null</strong>;
<a name="100" href="#100">100</a>
<a name="101" href="#101">101</a> <strong>for</strong> (; count < elementSize;) {
<a name="102" href="#102">102</a> e = (Element) iter.next();
<a name="103" href="#103">103</a> assertEquals(<span class="string">"instance "</span> + e.attribute(<span class="string">"instance"</span>).getValue()
<a name="104" href="#104">104</a> + <span class="string">" equals "</span> + count, e.attribute(<span class="string">"instance"</span>).getValue(),
<a name="105" href="#105">105</a> Integer.toString(count));
<a name="106" href="#106">106</a> System.out.println(<span class="string">"instance "</span> + e.attribute(<span class="string">"instance"</span>).getValue()
<a name="107" href="#107">107</a> + <span class="string">" equals "</span> + count);
<a name="108" href="#108">108</a> count++;
<a name="109" href="#109">109</a> }
<a name="110" href="#110">110</a>
<a name="111" href="#111">111</a> <strong>try</strong> {
<a name="112" href="#112">112</a> e = (Element) iter.next();
<a name="113" href="#113">113</a>
<a name="114" href="#114">114</a> <strong>if</strong> (e != <strong>null</strong>) {
<a name="115" href="#115">115</a> <em class="comment">// Real Iterators wouldn't get here</em>
<a name="116" href="#116">116</a> assertTrue(<span class="string">"no more elements,value instead is "</span>
<a name="117" href="#117">117</a> + e.attribute(<span class="string">"instance"</span>).getValue(), e == <strong>null</strong>);
<a name="118" href="#118">118</a> }
<a name="119" href="#119">119</a> } <strong>catch</strong> (Exception exp) {
<a name="120" href="#120">120</a> assertTrue(<span class="string">"Real iterators throw NoSuchElementException"</span>,
<a name="121" href="#121">121</a> exp instanceof java.util.NoSuchElementException);
<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> testExtraHasNexts() throws Exception {
<a name="126" href="#126">126</a> Element root = iterDocument.getRootElement();
<a name="127" href="#127">127</a> List elements = root.elements(<span class="string">"iterator test"</span>);
<a name="128" href="#128">128</a> Iterator iter = root.elementIterator(<span class="string">"iterator test"</span>);
<a name="129" href="#129">129</a> <strong>int</strong> elementSize = elements.size();
<a name="130" href="#130">130</a> <strong>int</strong> count = 0;
<a name="131" href="#131">131</a>
<a name="132" href="#132">132</a> <strong>for</strong> (; iter.hasNext();) {
<a name="133" href="#133">133</a> Element e = (Element) iter.next();
<a name="134" href="#134">134</a> assertEquals(<span class="string">"instance "</span> + e.attribute(<span class="string">"instance"</span>).getValue()
<a name="135" href="#135">135</a> + <span class="string">" equals "</span> + count, e.attribute(<span class="string">"instance"</span>).getValue(),
<a name="136" href="#136">136</a> Integer.toString(count));
<a name="137" href="#137">137</a> iter.hasNext();
<a name="138" href="#138">138</a> count++;
<a name="139" href="#139">139</a> }
<a name="140" href="#140">140</a>
<a name="141" href="#141">141</a> assertTrue(elementSize + <span class="string">" elements iterated with extra hasNexts"</span>,
<a name="142" href="#142">142</a> count == elementSize);
<a name="143" href="#143">143</a> }
<a name="144" href="#144">144</a> }
<a name="145" href="#145">145</a>
<a name="146" href="#146">146</a> <em class="comment">/*</em>
<a name="147" href="#147">147</a> <em class="comment"> * Redistribution and use of this software and associated documentation</em>
<a name="148" href="#148">148</a> <em class="comment"> * ("Software"), with or without modification, are permitted provided that the</em>
<a name="149" href="#149">149</a> <em class="comment"> * following conditions are met:</em>
<a name="150" href="#150">150</a> <em class="comment"> * </em>
<a name="151" href="#151">151</a> <em class="comment"> * 1. Redistributions of source code must retain copyright statements and</em>
<a name="152" href="#152">152</a> <em class="comment"> * notices. Redistributions must also contain a copy of this document.</em>
<a name="153" href="#153">153</a> <em class="comment"> * </em>
<a name="154" href="#154">154</a> <em class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</em>
<a name="155" href="#155">155</a> <em class="comment"> * this list of conditions and the following disclaimer in the documentation</em>
<a name="156" href="#156">156</a> <em class="comment"> * and/or other materials provided with the distribution.</em>
<a name="157" href="#157">157</a> <em class="comment"> * </em>
<a name="158" href="#158">158</a> <em class="comment"> * 3. The name "DOM4J" must not be used to endorse or promote products derived</em>
<a name="159" href="#159">159</a> <em class="comment"> * from this Software without prior written permission of MetaStuff, Ltd. For</em>
<a name="160" href="#160">160</a> <em class="comment"> * written permission, please contact dom4j-info@metastuff.com.</em>
<a name="161" href="#161">161</a> <em class="comment"> * </em>
<a name="162" href="#162">162</a> <em class="comment"> * 4. Products derived from this Software may not be called "DOM4J" nor may</em>
<a name="163" href="#163">163</a> <em class="comment"> * "DOM4J" appear in their names without prior written permission of MetaStuff,</em>
<a name="164" href="#164">164</a> <em class="comment"> * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.</em>
<a name="165" href="#165">165</a> <em class="comment"> * </em>
<a name="166" href="#166">166</a> <em class="comment"> * 5. Due credit should be given to the DOM4J Project - <a href="http://www.dom4j.org" target="alexandria_uri">http://www.dom4j.org</a></em>
<a name="167" href="#167">167</a> <em class="comment"> * </em>
<a name="168" href="#168">168</a> <em class="comment"> * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND</em>
<a name="169" href="#169">169</a> <em class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</em>
<a name="170" href="#170">170</a> <em class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</em>
<a name="171" href="#171">171</a> <em class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE</em>
<a name="172" href="#172">172</a> <em class="comment"> * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</em>
<a name="173" href="#173">173</a> <em class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</em>
<a name="174" href="#174">174</a> <em class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</em>
<a name="175" href="#175">175</a> <em class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</em>
<a name="176" href="#176">176</a> <em class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</em>
<a name="177" href="#177">177</a> <em class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</em>
<a name="178" href="#178">178</a> <em class="comment"> * POSSIBILITY OF SUCH DAMAGE.</em>
<a name="179" href="#179">179</a> <em class="comment"> * </em>
<a name="180" href="#180">180</a> <em class="comment"> * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.</em>
<a name="181" href="#181">181</a> <em class="comment"> */</em>
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>
