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From er...@apache.org
Subject svn commit: r1002658 [9/35] - in /websites/production/commons/content/proper/commons-rng: ./ commons-rng-client-api/ commons-rng-client-api/apidocs/ commons-rng-client-api/apidocs/org/apache/commons/rng/ commons-rng-client-api/apidocs/org/apache/common...
Date Mon, 12 Dec 2016 16:27:20 GMT
Added: websites/production/commons/content/proper/commons-rng/commons-rng-core/xref-test/org/apache/commons/rng/core/ProvidersCommonParametricTest.html
==============================================================================
--- websites/production/commons/content/proper/commons-rng/commons-rng-core/xref-test/org/apache/commons/rng/core/ProvidersCommonParametricTest.html (added)
+++ websites/production/commons/content/proper/commons-rng/commons-rng-core/xref-test/org/apache/commons/rng/core/ProvidersCommonParametricTest.html Mon Dec 12 16:27:09 2016
@@ -0,0 +1,628 @@
+<!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>ProvidersCommonParametricTest xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../../testapidocs/org/apache/commons/rng/core/ProvidersCommonParametricTest.html">View Javadoc</a></div><pre>
+<a class="jxr_linenumber" name="L1" href="#L1">1</a>   <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="L2" href="#L2">2</a>   <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
+<a class="jxr_linenumber" name="L3" href="#L3">3</a>   <em class="jxr_comment"> * contributor license agreements.  See the NOTICE file distributed with</em>
+<a class="jxr_linenumber" name="L4" href="#L4">4</a>   <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
+<a class="jxr_linenumber" name="L5" href="#L5">5</a>   <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
+<a class="jxr_linenumber" name="L6" href="#L6">6</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
+<a class="jxr_linenumber" name="L7" href="#L7">7</a>   <em class="jxr_comment"> * the License.  You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="L8" href="#L8">8</a>   <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="L9" href="#L9">9</a>   <em class="jxr_comment"> *      <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em>
+<a class="jxr_linenumber" name="L10" href="#L10">10</a>  <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="L11" href="#L11">11</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
+<a class="jxr_linenumber" name="L12" href="#L12">12</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
+<a class="jxr_linenumber" name="L13" href="#L13">13</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
+<a class="jxr_linenumber" name="L14" href="#L14">14</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
+<a class="jxr_linenumber" name="L15" href="#L15">15</a>  <em class="jxr_comment"> * limitations under the License.</em>
+<a class="jxr_linenumber" name="L16" href="#L16">16</a>  <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="L17" href="#L17">17</a>  <strong class="jxr_keyword">package</strong> org.apache.commons.rng.core;
+<a class="jxr_linenumber" name="L18" href="#L18">18</a>  
+<a class="jxr_linenumber" name="L19" href="#L19">19</a>  <strong class="jxr_keyword">import</strong> java.util.Arrays;
+<a class="jxr_linenumber" name="L20" href="#L20">20</a>  <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="L21" href="#L21">21</a>  <strong class="jxr_keyword">import</strong> java.util.ArrayList;
+<a class="jxr_linenumber" name="L22" href="#L22">22</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.Callable;
+<a class="jxr_linenumber" name="L23" href="#L23">23</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
+<a class="jxr_linenumber" name="L24" href="#L24">24</a>  <strong class="jxr_keyword">import</strong> java.io.ObjectOutputStream;
+<a class="jxr_linenumber" name="L25" href="#L25">25</a>  <strong class="jxr_keyword">import</strong> java.io.ObjectInputStream;
+<a class="jxr_linenumber" name="L26" href="#L26">26</a>  <strong class="jxr_keyword">import</strong> java.io.ByteArrayOutputStream;
+<a class="jxr_linenumber" name="L27" href="#L27">27</a>  <strong class="jxr_keyword">import</strong> java.io.ByteArrayInputStream;
+<a class="jxr_linenumber" name="L28" href="#L28">28</a>  
+<a class="jxr_linenumber" name="L29" href="#L29">29</a>  <strong class="jxr_keyword">import</strong> org.junit.Assert;
+<a class="jxr_linenumber" name="L30" href="#L30">30</a>  <strong class="jxr_keyword">import</strong> org.junit.Test;
+<a class="jxr_linenumber" name="L31" href="#L31">31</a>  <strong class="jxr_keyword">import</strong> org.junit.Assume;
+<a class="jxr_linenumber" name="L32" href="#L32">32</a>  <strong class="jxr_keyword">import</strong> org.junit.Ignore;
+<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <strong class="jxr_keyword">import</strong> org.junit.runner.RunWith;
+<a class="jxr_linenumber" name="L34" href="#L34">34</a>  <strong class="jxr_keyword">import</strong> org.junit.runners.Parameterized;
+<a class="jxr_linenumber" name="L35" href="#L35">35</a>  <strong class="jxr_keyword">import</strong> org.junit.runners.Parameterized.Parameters;
+<a class="jxr_linenumber" name="L36" href="#L36">36</a>  
+<a class="jxr_linenumber" name="L37" href="#L37">37</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.rng.UniformRandomProvider;
+<a class="jxr_linenumber" name="L38" href="#L38">38</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.rng.RestorableUniformRandomProvider;
+<a class="jxr_linenumber" name="L39" href="#L39">39</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.rng.RandomProviderState;
+<a class="jxr_linenumber" name="L40" href="#L40">40</a>  
+<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a>  <em class="jxr_javadoccomment"> * Tests which all generators must pass.</em>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L44" href="#L44">44</a>  @RunWith(value=Parameterized.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L45" href="#L45">45</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/rng/core/ProvidersCommonParametricTest.html">ProvidersCommonParametricTest</a> {
+<a class="jxr_linenumber" name="L46" href="#L46">46</a>      <em class="jxr_javadoccomment">/** RNG under test. */</em>
+<a class="jxr_linenumber" name="L47" href="#L47">47</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> RestorableUniformRandomProvider generator;
+<a class="jxr_linenumber" name="L48" href="#L48">48</a>  
+<a class="jxr_linenumber" name="L49" href="#L49">49</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L50" href="#L50">50</a>  <em class="jxr_javadoccomment">     * Initializes generator instance.</em>
+<a class="jxr_linenumber" name="L51" href="#L51">51</a>  <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L52" href="#L52">52</a>  <em class="jxr_javadoccomment">     * @param rng RNG to be tested.</em>
+<a class="jxr_linenumber" name="L53" href="#L53">53</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L54" href="#L54">54</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/rng/core/ProvidersCommonParametricTest.html">ProvidersCommonParametricTest</a>(RestorableUniformRandomProvider rng) {
+<a class="jxr_linenumber" name="L55" href="#L55">55</a>          generator = rng;
+<a class="jxr_linenumber" name="L56" href="#L56">56</a>      }
+<a class="jxr_linenumber" name="L57" href="#L57">57</a>  
+<a class="jxr_linenumber" name="L58" href="#L58">58</a>      @Parameters(name = <span class="jxr_string">"{index}: data={0}"</span>)
+<a class="jxr_linenumber" name="L59" href="#L59">59</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Iterable&lt;RestorableUniformRandomProvider[]&gt; getList() {
+<a class="jxr_linenumber" name="L60" href="#L60">60</a>          <strong class="jxr_keyword">return</strong> ProvidersList.list();
+<a class="jxr_linenumber" name="L61" href="#L61">61</a>      }
+<a class="jxr_linenumber" name="L62" href="#L62">62</a>  
+<a class="jxr_linenumber" name="L63" href="#L63">63</a>  
+<a class="jxr_linenumber" name="L64" href="#L64">64</a>      <em class="jxr_comment">// Precondition tests</em>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a>  
+<a class="jxr_linenumber" name="L66" href="#L66">66</a>      @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L67" href="#L67">67</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextInt1() {
+<a class="jxr_linenumber" name="L68" href="#L68">68</a>          generator.nextInt(-1);
+<a class="jxr_linenumber" name="L69" href="#L69">69</a>      }
+<a class="jxr_linenumber" name="L70" href="#L70">70</a>  
+<a class="jxr_linenumber" name="L71" href="#L71">71</a>      @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L72" href="#L72">72</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextInt2() {
+<a class="jxr_linenumber" name="L73" href="#L73">73</a>          generator.nextInt(0);
+<a class="jxr_linenumber" name="L74" href="#L74">74</a>      }
+<a class="jxr_linenumber" name="L75" href="#L75">75</a>  
+<a class="jxr_linenumber" name="L76" href="#L76">76</a>      @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L77" href="#L77">77</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextLong1() {
+<a class="jxr_linenumber" name="L78" href="#L78">78</a>          generator.nextLong(-1);
+<a class="jxr_linenumber" name="L79" href="#L79">79</a>      }
+<a class="jxr_linenumber" name="L80" href="#L80">80</a>  
+<a class="jxr_linenumber" name="L81" href="#L81">81</a>      @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L82" href="#L82">82</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextLong2() {
+<a class="jxr_linenumber" name="L83" href="#L83">83</a>          generator.nextLong(0);
+<a class="jxr_linenumber" name="L84" href="#L84">84</a>      }
+<a class="jxr_linenumber" name="L85" href="#L85">85</a>  
+<a class="jxr_linenumber" name="L86" href="#L86">86</a>      @Test(expected=IndexOutOfBoundsException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L87" href="#L87">87</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextBytes1() {
+<a class="jxr_linenumber" name="L88" href="#L88">88</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 10;
+<a class="jxr_linenumber" name="L89" href="#L89">89</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> num = 1;
+<a class="jxr_linenumber" name="L90" href="#L90">90</a>          <strong class="jxr_keyword">final</strong> byte[] buf = <strong class="jxr_keyword">new</strong> byte[size];
+<a class="jxr_linenumber" name="L91" href="#L91">91</a>          generator.nextBytes(buf, -1, num);
+<a class="jxr_linenumber" name="L92" href="#L92">92</a>      }
+<a class="jxr_linenumber" name="L93" href="#L93">93</a>      @Test(expected=IndexOutOfBoundsException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L94" href="#L94">94</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextBytes2() {
+<a class="jxr_linenumber" name="L95" href="#L95">95</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 10;
+<a class="jxr_linenumber" name="L96" href="#L96">96</a>          <strong class="jxr_keyword">final</strong> byte[] buf = <strong class="jxr_keyword">new</strong> byte[size];
+<a class="jxr_linenumber" name="L97" href="#L97">97</a>          generator.nextBytes(buf, size, 0);
+<a class="jxr_linenumber" name="L98" href="#L98">98</a>      }
+<a class="jxr_linenumber" name="L99" href="#L99">99</a>      @Test(expected=IndexOutOfBoundsException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L100" href="#L100">100</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextBytes3() {
+<a class="jxr_linenumber" name="L101" href="#L101">101</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 10;
+<a class="jxr_linenumber" name="L102" href="#L102">102</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = 2;
+<a class="jxr_linenumber" name="L103" href="#L103">103</a>         <strong class="jxr_keyword">final</strong> byte[] buf = <strong class="jxr_keyword">new</strong> byte[size];
+<a class="jxr_linenumber" name="L104" href="#L104">104</a>         generator.nextBytes(buf, offset, size - offset + 1);
+<a class="jxr_linenumber" name="L105" href="#L105">105</a>     }
+<a class="jxr_linenumber" name="L106" href="#L106">106</a>     @Test(expected=IndexOutOfBoundsException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L107" href="#L107">107</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextBytes4() {
+<a class="jxr_linenumber" name="L108" href="#L108">108</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 10;
+<a class="jxr_linenumber" name="L109" href="#L109">109</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = 1;
+<a class="jxr_linenumber" name="L110" href="#L110">110</a>         <strong class="jxr_keyword">final</strong> byte[] buf = <strong class="jxr_keyword">new</strong> byte[size];
+<a class="jxr_linenumber" name="L111" href="#L111">111</a>         generator.nextBytes(buf, offset, -1);
+<a class="jxr_linenumber" name="L112" href="#L112">112</a>     }
+<a class="jxr_linenumber" name="L113" href="#L113">113</a> 
+<a class="jxr_linenumber" name="L114" href="#L114">114</a> 
+<a class="jxr_linenumber" name="L115" href="#L115">115</a>     <em class="jxr_comment">// Uniformity tests</em>
+<a class="jxr_linenumber" name="L116" href="#L116">116</a>  
+<a class="jxr_linenumber" name="L117" href="#L117">117</a>     @Test
+<a class="jxr_linenumber" name="L118" href="#L118">118</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextBytesFullBuffer() {
+<a class="jxr_linenumber" name="L119" href="#L119">119</a>         <em class="jxr_comment">// Value chosen to exercise all the code lines in the</em>
+<a class="jxr_linenumber" name="L120" href="#L120">120</a>         <em class="jxr_comment">// "nextBytes" methods.</em>
+<a class="jxr_linenumber" name="L121" href="#L121">121</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 23;
+<a class="jxr_linenumber" name="L122" href="#L122">122</a>         <strong class="jxr_keyword">final</strong> byte[] buffer = <strong class="jxr_keyword">new</strong> byte[size];
+<a class="jxr_linenumber" name="L123" href="#L123">123</a> 
+<a class="jxr_linenumber" name="L124" href="#L124">124</a>         <strong class="jxr_keyword">final</strong> Runnable nextMethod = <strong class="jxr_keyword">new</strong> Runnable() {
+<a class="jxr_linenumber" name="L125" href="#L125">125</a>             @Override
+<a class="jxr_linenumber" name="L126" href="#L126">126</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
+<a class="jxr_linenumber" name="L127" href="#L127">127</a>                 generator.nextBytes(buffer);
+<a class="jxr_linenumber" name="L128" href="#L128">128</a>             }
+<a class="jxr_linenumber" name="L129" href="#L129">129</a>         };
+<a class="jxr_linenumber" name="L130" href="#L130">130</a> 
+<a class="jxr_linenumber" name="L131" href="#L131">131</a>         Assert.assertTrue(isUniformNextBytes(buffer, 0, size, nextMethod));
+<a class="jxr_linenumber" name="L132" href="#L132">132</a>     }
+<a class="jxr_linenumber" name="L133" href="#L133">133</a> 
+<a class="jxr_linenumber" name="L134" href="#L134">134</a>     @Test
+<a class="jxr_linenumber" name="L135" href="#L135">135</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextBytesPartialBuffer() {
+<a class="jxr_linenumber" name="L136" href="#L136">136</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> totalSize = 1234;
+<a class="jxr_linenumber" name="L137" href="#L137">137</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = 567;
+<a class="jxr_linenumber" name="L138" href="#L138">138</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 89;
+<a class="jxr_linenumber" name="L139" href="#L139">139</a> 
+<a class="jxr_linenumber" name="L140" href="#L140">140</a>         <strong class="jxr_keyword">final</strong> byte[] buffer = <strong class="jxr_keyword">new</strong> byte[totalSize];
+<a class="jxr_linenumber" name="L141" href="#L141">141</a> 
+<a class="jxr_linenumber" name="L142" href="#L142">142</a>         <strong class="jxr_keyword">final</strong> Runnable nextMethod = <strong class="jxr_keyword">new</strong> Runnable() {
+<a class="jxr_linenumber" name="L143" href="#L143">143</a>             @Override
+<a class="jxr_linenumber" name="L144" href="#L144">144</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
+<a class="jxr_linenumber" name="L145" href="#L145">145</a>                 generator.nextBytes(buffer, offset, size);
+<a class="jxr_linenumber" name="L146" href="#L146">146</a>             }
+<a class="jxr_linenumber" name="L147" href="#L147">147</a>         };
+<a class="jxr_linenumber" name="L148" href="#L148">148</a> 
+<a class="jxr_linenumber" name="L149" href="#L149">149</a>         <em class="jxr_comment">// Test should pass for the part of the buffer where values are put.</em>
+<a class="jxr_linenumber" name="L150" href="#L150">150</a>         Assert.assertTrue(isUniformNextBytes(buffer, offset, offset + size, nextMethod));
+<a class="jxr_linenumber" name="L151" href="#L151">151</a> 
+<a class="jxr_linenumber" name="L152" href="#L152">152</a>         <em class="jxr_comment">// Test must fail for the parts of the buffer where no values are put.</em>
+<a class="jxr_linenumber" name="L153" href="#L153">153</a>         Assert.assertFalse(isUniformNextBytes(buffer, 0, offset, nextMethod));
+<a class="jxr_linenumber" name="L154" href="#L154">154</a>         Assert.assertFalse(isUniformNextBytes(buffer, offset + size, buffer.length, nextMethod));
+<a class="jxr_linenumber" name="L155" href="#L155">155</a>     }
+<a class="jxr_linenumber" name="L156" href="#L156">156</a> 
+<a class="jxr_linenumber" name="L157" href="#L157">157</a>     @Test
+<a class="jxr_linenumber" name="L158" href="#L158">158</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextIntegerInRange() {
+<a class="jxr_linenumber" name="L159" href="#L159">159</a>         checkNextIntegerInRange(4, 1000);
+<a class="jxr_linenumber" name="L160" href="#L160">160</a>         checkNextIntegerInRange(10, 1000);
+<a class="jxr_linenumber" name="L161" href="#L161">161</a>         checkNextIntegerInRange(12, 1000);
+<a class="jxr_linenumber" name="L162" href="#L162">162</a>         checkNextIntegerInRange(31, 1000);
+<a class="jxr_linenumber" name="L163" href="#L163">163</a>         checkNextIntegerInRange(32, 1000);
+<a class="jxr_linenumber" name="L164" href="#L164">164</a>         checkNextIntegerInRange(2016128993, 1000);
+<a class="jxr_linenumber" name="L165" href="#L165">165</a>         checkNextIntegerInRange(1834691456, 1000);
+<a class="jxr_linenumber" name="L166" href="#L166">166</a>         checkNextIntegerInRange(869657561, 1000);
+<a class="jxr_linenumber" name="L167" href="#L167">167</a>         checkNextIntegerInRange(1570504788, 1000);
+<a class="jxr_linenumber" name="L168" href="#L168">168</a>     }
+<a class="jxr_linenumber" name="L169" href="#L169">169</a> 
+<a class="jxr_linenumber" name="L170" href="#L170">170</a>     @Test
+<a class="jxr_linenumber" name="L171" href="#L171">171</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextLongInRange() {
+<a class="jxr_linenumber" name="L172" href="#L172">172</a>         checkNextLongInRange(4, 1000);
+<a class="jxr_linenumber" name="L173" href="#L173">173</a>         checkNextLongInRange(11, 1000);
+<a class="jxr_linenumber" name="L174" href="#L174">174</a>         checkNextLongInRange(19, 1000);
+<a class="jxr_linenumber" name="L175" href="#L175">175</a>         checkNextLongInRange(31, 1000);
+<a class="jxr_linenumber" name="L176" href="#L176">176</a>         checkNextLongInRange(32, 1000);
+<a class="jxr_linenumber" name="L177" href="#L177">177</a> 
+<a class="jxr_linenumber" name="L178" href="#L178">178</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> q = Long.MAX_VALUE / 4;
+<a class="jxr_linenumber" name="L179" href="#L179">179</a>         checkNextLongInRange(q, 1000);
+<a class="jxr_linenumber" name="L180" href="#L180">180</a>         checkNextLongInRange(2 * q, 1000);
+<a class="jxr_linenumber" name="L181" href="#L181">181</a>         checkNextLongInRange(3 * q, 1000);
+<a class="jxr_linenumber" name="L182" href="#L182">182</a>     }
+<a class="jxr_linenumber" name="L183" href="#L183">183</a> 
+<a class="jxr_linenumber" name="L184" href="#L184">184</a>     @Test
+<a class="jxr_linenumber" name="L185" href="#L185">185</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextFloat() {
+<a class="jxr_linenumber" name="L186" href="#L186">186</a>         checkNextFloat(1000);
+<a class="jxr_linenumber" name="L187" href="#L187">187</a>     }
+<a class="jxr_linenumber" name="L188" href="#L188">188</a> 
+<a class="jxr_linenumber" name="L189" href="#L189">189</a>     @Test
+<a class="jxr_linenumber" name="L190" href="#L190">190</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextDouble() {
+<a class="jxr_linenumber" name="L191" href="#L191">191</a>         checkNextDouble(1000);
+<a class="jxr_linenumber" name="L192" href="#L192">192</a>     }
+<a class="jxr_linenumber" name="L193" href="#L193">193</a> 
+<a class="jxr_linenumber" name="L194" href="#L194">194</a>     @Test
+<a class="jxr_linenumber" name="L195" href="#L195">195</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextIntRandomWalk() {
+<a class="jxr_linenumber" name="L196" href="#L196">196</a>         <strong class="jxr_keyword">final</strong> Callable&lt;Boolean&gt; nextMethod = <strong class="jxr_keyword">new</strong> Callable&lt;Boolean&gt;() {
+<a class="jxr_linenumber" name="L197" href="#L197">197</a>             @Override
+<a class="jxr_linenumber" name="L198" href="#L198">198</a>             <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="L199" href="#L199">199</a>                 <strong class="jxr_keyword">return</strong> generator.nextInt() &gt;= 0;
+<a class="jxr_linenumber" name="L200" href="#L200">200</a>             }
+<a class="jxr_linenumber" name="L201" href="#L201">201</a>         };
+<a class="jxr_linenumber" name="L202" href="#L202">202</a> 
+<a class="jxr_linenumber" name="L203" href="#L203">203</a>         checkRandomWalk(1000, nextMethod);
+<a class="jxr_linenumber" name="L204" href="#L204">204</a>     }
+<a class="jxr_linenumber" name="L205" href="#L205">205</a> 
+<a class="jxr_linenumber" name="L206" href="#L206">206</a>     @Test
+<a class="jxr_linenumber" name="L207" href="#L207">207</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextLongRandomWalk() {
+<a class="jxr_linenumber" name="L208" href="#L208">208</a>         <strong class="jxr_keyword">final</strong> Callable&lt;Boolean&gt; nextMethod = <strong class="jxr_keyword">new</strong> Callable&lt;Boolean&gt;() {
+<a class="jxr_linenumber" name="L209" href="#L209">209</a>             @Override
+<a class="jxr_linenumber" name="L210" href="#L210">210</a>             <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="L211" href="#L211">211</a>                 <strong class="jxr_keyword">return</strong> generator.nextLong() &gt;= 0;
+<a class="jxr_linenumber" name="L212" href="#L212">212</a>             }
+<a class="jxr_linenumber" name="L213" href="#L213">213</a>         };
+<a class="jxr_linenumber" name="L214" href="#L214">214</a> 
+<a class="jxr_linenumber" name="L215" href="#L215">215</a>         checkRandomWalk(1000, nextMethod);
+<a class="jxr_linenumber" name="L216" href="#L216">216</a>     }
+<a class="jxr_linenumber" name="L217" href="#L217">217</a> 
+<a class="jxr_linenumber" name="L218" href="#L218">218</a>     @Test
+<a class="jxr_linenumber" name="L219" href="#L219">219</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextBooleanRandomWalk() {
+<a class="jxr_linenumber" name="L220" href="#L220">220</a>         <strong class="jxr_keyword">final</strong> Callable&lt;Boolean&gt; nextMethod = <strong class="jxr_keyword">new</strong> Callable&lt;Boolean&gt;() {
+<a class="jxr_linenumber" name="L221" href="#L221">221</a>             @Override
+<a class="jxr_linenumber" name="L222" href="#L222">222</a>             <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="L223" href="#L223">223</a>                 <strong class="jxr_keyword">return</strong> generator.nextBoolean();
+<a class="jxr_linenumber" name="L224" href="#L224">224</a>             }
+<a class="jxr_linenumber" name="L225" href="#L225">225</a>         };
+<a class="jxr_linenumber" name="L226" href="#L226">226</a> 
+<a class="jxr_linenumber" name="L227" href="#L227">227</a>         checkRandomWalk(1000, nextMethod);
+<a class="jxr_linenumber" name="L228" href="#L228">228</a>     }
+<a class="jxr_linenumber" name="L229" href="#L229">229</a> 
+<a class="jxr_linenumber" name="L230" href="#L230">230</a>     <em class="jxr_comment">// State save and restore tests.</em>
+<a class="jxr_linenumber" name="L231" href="#L231">231</a> 
+<a class="jxr_linenumber" name="L232" href="#L232">232</a>     @Test
+<a class="jxr_linenumber" name="L233" href="#L233">233</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testStateSettable() {
+<a class="jxr_linenumber" name="L234" href="#L234">234</a>         <em class="jxr_comment">// Should be fairly large in order to ensure that all the internal</em>
+<a class="jxr_linenumber" name="L235" href="#L235">235</a>         <em class="jxr_comment">// state is away from its initial settings.</em>
+<a class="jxr_linenumber" name="L236" href="#L236">236</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> n = 10000;
+<a class="jxr_linenumber" name="L237" href="#L237">237</a> 
+<a class="jxr_linenumber" name="L238" href="#L238">238</a>         <em class="jxr_comment">// Save.</em>
+<a class="jxr_linenumber" name="L239" href="#L239">239</a>         <strong class="jxr_keyword">final</strong> RandomProviderState state = generator.saveState();
+<a class="jxr_linenumber" name="L240" href="#L240">240</a>         <em class="jxr_comment">// Store some values.</em>
+<a class="jxr_linenumber" name="L241" href="#L241">241</a>         <strong class="jxr_keyword">final</strong> List&lt;Number&gt; listOrig = makeList(n);
+<a class="jxr_linenumber" name="L242" href="#L242">242</a>         <em class="jxr_comment">// Discard a few more.</em>
+<a class="jxr_linenumber" name="L243" href="#L243">243</a>         <strong class="jxr_keyword">final</strong> List&lt;Number&gt; listDiscard = makeList(n);
+<a class="jxr_linenumber" name="L244" href="#L244">244</a>         Assert.assertTrue(listDiscard.size() != 0);
+<a class="jxr_linenumber" name="L245" href="#L245">245</a>         Assert.assertFalse(listOrig.equals(listDiscard));
+<a class="jxr_linenumber" name="L246" href="#L246">246</a>         <em class="jxr_comment">// Reset.</em>
+<a class="jxr_linenumber" name="L247" href="#L247">247</a>         generator.restoreState(state);
+<a class="jxr_linenumber" name="L248" href="#L248">248</a>         <em class="jxr_comment">// Replay.</em>
+<a class="jxr_linenumber" name="L249" href="#L249">249</a>         <strong class="jxr_keyword">final</strong> List&lt;Number&gt; listReplay = makeList(n);
+<a class="jxr_linenumber" name="L250" href="#L250">250</a>         Assert.assertFalse(listOrig == listReplay);
+<a class="jxr_linenumber" name="L251" href="#L251">251</a>         <em class="jxr_comment">// Check that the restored state is the same as the orginal.</em>
+<a class="jxr_linenumber" name="L252" href="#L252">252</a>         Assert.assertTrue(listOrig.equals(listReplay));
+<a class="jxr_linenumber" name="L253" href="#L253">253</a>     }
+<a class="jxr_linenumber" name="L254" href="#L254">254</a> 
+<a class="jxr_linenumber" name="L255" href="#L255">255</a>     @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L256" href="#L256">256</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testStateWrongSize() {
+<a class="jxr_linenumber" name="L257" href="#L257">257</a>         <em class="jxr_comment">// We don't know what is the state of "java.lang.Random": skipping.</em>
+<a class="jxr_linenumber" name="L258" href="#L258">258</a>         Assume.assumeTrue(generator.toString().indexOf(<span class="jxr_string">"JDKRandom"</span>) == -1);
+<a class="jxr_linenumber" name="L259" href="#L259">259</a> 
+<a class="jxr_linenumber" name="L260" href="#L260">260</a>         <strong class="jxr_keyword">final</strong> RandomProviderState state = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/rng/core/ProvidersCommonParametricTest.html">DummyGenerator</a>().saveState();
+<a class="jxr_linenumber" name="L261" href="#L261">261</a>         <em class="jxr_comment">// Try to restore with an invalid state (wrong size).</em>
+<a class="jxr_linenumber" name="L262" href="#L262">262</a>         generator.restoreState(state);
+<a class="jxr_linenumber" name="L263" href="#L263">263</a>     }
+<a class="jxr_linenumber" name="L264" href="#L264">264</a> 
+<a class="jxr_linenumber" name="L265" href="#L265">265</a>     @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>)
+<a class="jxr_linenumber" name="L266" href="#L266">266</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testRestoreForeignState() {
+<a class="jxr_linenumber" name="L267" href="#L267">267</a>         generator.restoreState(<strong class="jxr_keyword">new</strong> RandomProviderState() {});
+<a class="jxr_linenumber" name="L268" href="#L268">268</a>     }
+<a class="jxr_linenumber" name="L269" href="#L269">269</a> 
+<a class="jxr_linenumber" name="L270" href="#L270">270</a> 
+<a class="jxr_linenumber" name="L271" href="#L271">271</a>     <em class="jxr_comment">///// Support methods below.</em>
+<a class="jxr_linenumber" name="L272" href="#L272">272</a> 
+<a class="jxr_linenumber" name="L273" href="#L273">273</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L274" href="#L274">274</a> <em class="jxr_javadoccomment">     * Populates a list with random numbers.</em>
+<a class="jxr_linenumber" name="L275" href="#L275">275</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L276" href="#L276">276</a> <em class="jxr_javadoccomment">     * @param n Loop counter.</em>
+<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment">     * @return a list containing {@code 11 * n} random numbers.</em>
+<a class="jxr_linenumber" name="L278" href="#L278">278</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L279" href="#L279">279</a>     <strong class="jxr_keyword">private</strong> List&lt;Number&gt; makeList(<strong class="jxr_keyword">int</strong> n) {
+<a class="jxr_linenumber" name="L280" href="#L280">280</a>         <strong class="jxr_keyword">final</strong> List&lt;Number&gt; list = <strong class="jxr_keyword">new</strong> ArrayList&lt;Number&gt;();
+<a class="jxr_linenumber" name="L281" href="#L281">281</a> 
+<a class="jxr_linenumber" name="L282" href="#L282">282</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; n; i++) {
+<a class="jxr_linenumber" name="L283" href="#L283">283</a>             <em class="jxr_comment">// Append 11 values.</em>
+<a class="jxr_linenumber" name="L284" href="#L284">284</a>             list.add(generator.nextInt());
+<a class="jxr_linenumber" name="L285" href="#L285">285</a>             list.add(generator.nextInt(21));
+<a class="jxr_linenumber" name="L286" href="#L286">286</a>             list.add(generator.nextInt(436));
+<a class="jxr_linenumber" name="L287" href="#L287">287</a>             list.add(generator.nextLong());
+<a class="jxr_linenumber" name="L288" href="#L288">288</a>             list.add(generator.nextLong(157894));
+<a class="jxr_linenumber" name="L289" href="#L289">289</a>             list.add(generator.nextLong(5745833));
+<a class="jxr_linenumber" name="L290" href="#L290">290</a>             list.add(generator.nextFloat());
+<a class="jxr_linenumber" name="L291" href="#L291">291</a>             list.add(generator.nextFloat());
+<a class="jxr_linenumber" name="L292" href="#L292">292</a>             list.add(generator.nextDouble());
+<a class="jxr_linenumber" name="L293" href="#L293">293</a>             list.add(generator.nextDouble());
+<a class="jxr_linenumber" name="L294" href="#L294">294</a>             list.add(generator.nextDouble());
+<a class="jxr_linenumber" name="L295" href="#L295">295</a>         }
+<a class="jxr_linenumber" name="L296" href="#L296">296</a> 
+<a class="jxr_linenumber" name="L297" href="#L297">297</a>         <strong class="jxr_keyword">return</strong> list;
+<a class="jxr_linenumber" name="L298" href="#L298">298</a>     }
+<a class="jxr_linenumber" name="L299" href="#L299">299</a> 
+<a class="jxr_linenumber" name="L300" href="#L300">300</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L301" href="#L301">301</a> <em class="jxr_javadoccomment">     * Checks that the generator values can be placed into 256 bins with</em>
+<a class="jxr_linenumber" name="L302" href="#L302">302</a> <em class="jxr_javadoccomment">     * approximately equal number of counts.</em>
+<a class="jxr_linenumber" name="L303" href="#L303">303</a> <em class="jxr_javadoccomment">     * Test allows to select only part of the buffer for performing the</em>
+<a class="jxr_linenumber" name="L304" href="#L304">304</a> <em class="jxr_javadoccomment">     * statistics.</em>
+<a class="jxr_linenumber" name="L305" href="#L305">305</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L306" href="#L306">306</a> <em class="jxr_javadoccomment">     * @param buffer Buffer to be filled.</em>
+<a class="jxr_linenumber" name="L307" href="#L307">307</a> <em class="jxr_javadoccomment">     * @param first First element (included) of {@code buffer} range for</em>
+<a class="jxr_linenumber" name="L308" href="#L308">308</a> <em class="jxr_javadoccomment">     * which statistics must be taken into account.</em>
+<a class="jxr_linenumber" name="L309" href="#L309">309</a> <em class="jxr_javadoccomment">     * @param last Last element (excluded) of {@code buffer} range for</em>
+<a class="jxr_linenumber" name="L310" href="#L310">310</a> <em class="jxr_javadoccomment">     * which statistics must be taken into account.</em>
+<a class="jxr_linenumber" name="L311" href="#L311">311</a> <em class="jxr_javadoccomment">     * @param nextMethod Method that fills the given {@code buffer}.</em>
+<a class="jxr_linenumber" name="L312" href="#L312">312</a> <em class="jxr_javadoccomment">     * @return {@code true} if the distribution is uniform.</em>
+<a class="jxr_linenumber" name="L313" href="#L313">313</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L314" href="#L314">314</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isUniformNextBytes(byte[] buffer,
+<a class="jxr_linenumber" name="L315" href="#L315">315</a>                                        <strong class="jxr_keyword">int</strong> first,
+<a class="jxr_linenumber" name="L316" href="#L316">316</a>                                        <strong class="jxr_keyword">int</strong> last,
+<a class="jxr_linenumber" name="L317" href="#L317">317</a>                                        Runnable nextMethod) {
+<a class="jxr_linenumber" name="L318" href="#L318">318</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> sampleSize = 10000;
+<a class="jxr_linenumber" name="L319" href="#L319">319</a> 
+<a class="jxr_linenumber" name="L320" href="#L320">320</a>         <em class="jxr_comment">// Number of possible values (do not change).</em>
+<a class="jxr_linenumber" name="L321" href="#L321">321</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> byteRange = 256;
+<a class="jxr_linenumber" name="L322" href="#L322">322</a>         <em class="jxr_comment">// Chi-square critical value with 256 degrees of freedom</em>
+<a class="jxr_linenumber" name="L323" href="#L323">323</a>         <em class="jxr_comment">// and 1% significance level.</em>
+<a class="jxr_linenumber" name="L324" href="#L324">324</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> chi2CriticalValue = 311.560343;
+<a class="jxr_linenumber" name="L325" href="#L325">325</a>         <em class="jxr_comment">// To transform a byte value into its bin index.</em>
+<a class="jxr_linenumber" name="L326" href="#L326">326</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> byteRangeOffset = 128;
+<a class="jxr_linenumber" name="L327" href="#L327">327</a> 
+<a class="jxr_linenumber" name="L328" href="#L328">328</a>         <em class="jxr_comment">// Bins.</em>
+<a class="jxr_linenumber" name="L329" href="#L329">329</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] observed = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[byteRange];
+<a class="jxr_linenumber" name="L330" href="#L330">330</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] expected = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[byteRange];
+<a class="jxr_linenumber" name="L331" href="#L331">331</a> 
+<a class="jxr_linenumber" name="L332" href="#L332">332</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; byteRange; i++) {
+<a class="jxr_linenumber" name="L333" href="#L333">333</a>             expected[i] = sampleSize * (last - first) / (<strong class="jxr_keyword">double</strong>) byteRange;
+<a class="jxr_linenumber" name="L334" href="#L334">334</a>         }
+<a class="jxr_linenumber" name="L335" href="#L335">335</a> 
+<a class="jxr_linenumber" name="L336" href="#L336">336</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L337" href="#L337">337</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = 0; k &lt; sampleSize; k++) {
+<a class="jxr_linenumber" name="L338" href="#L338">338</a>                 nextMethod.run();
+<a class="jxr_linenumber" name="L339" href="#L339">339</a> 
+<a class="jxr_linenumber" name="L340" href="#L340">340</a>                 <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = first; i &lt; last; i++) {
+<a class="jxr_linenumber" name="L341" href="#L341">341</a>                     <strong class="jxr_keyword">final</strong> byte b = buffer[i];
+<a class="jxr_linenumber" name="L342" href="#L342">342</a>                     ++observed[b + byteRangeOffset];
+<a class="jxr_linenumber" name="L343" href="#L343">343</a>                 }
+<a class="jxr_linenumber" name="L344" href="#L344">344</a>             }
+<a class="jxr_linenumber" name="L345" href="#L345">345</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
+<a class="jxr_linenumber" name="L346" href="#L346">346</a>             <em class="jxr_comment">// Should never happen.</em>
+<a class="jxr_linenumber" name="L347" href="#L347">347</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(<span class="jxr_string">"Unexpected"</span>);
+<a class="jxr_linenumber" name="L348" href="#L348">348</a>         }
+<a class="jxr_linenumber" name="L349" href="#L349">349</a> 
+<a class="jxr_linenumber" name="L350" href="#L350">350</a>         <em class="jxr_comment">// Compute chi-square.</em>
+<a class="jxr_linenumber" name="L351" href="#L351">351</a>         <strong class="jxr_keyword">double</strong> chi2 = 0;
+<a class="jxr_linenumber" name="L352" href="#L352">352</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = 0; k &lt; byteRange; k++) {
+<a class="jxr_linenumber" name="L353" href="#L353">353</a>             <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> diff = observed[k] - expected[k];
+<a class="jxr_linenumber" name="L354" href="#L354">354</a>             chi2 += diff * diff / expected[k];
+<a class="jxr_linenumber" name="L355" href="#L355">355</a>         }
+<a class="jxr_linenumber" name="L356" href="#L356">356</a> 
+<a class="jxr_linenumber" name="L357" href="#L357">357</a>         <em class="jxr_comment">// Statistics check.</em>
+<a class="jxr_linenumber" name="L358" href="#L358">358</a>         <strong class="jxr_keyword">return</strong> chi2 &lt; chi2CriticalValue;
+<a class="jxr_linenumber" name="L359" href="#L359">359</a>     }
+<a class="jxr_linenumber" name="L360" href="#L360">360</a> 
+<a class="jxr_linenumber" name="L361" href="#L361">361</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L362" href="#L362">362</a> <em class="jxr_javadoccomment">     * Checks that the generator values can be placed into 2 bins with</em>
+<a class="jxr_linenumber" name="L363" href="#L363">363</a> <em class="jxr_javadoccomment">     * approximately equal number of counts.</em>
+<a class="jxr_linenumber" name="L364" href="#L364">364</a> <em class="jxr_javadoccomment">     * The test uses the expectation from a fixed-step "random walk".</em>
+<a class="jxr_linenumber" name="L365" href="#L365">365</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L366" href="#L366">366</a> <em class="jxr_javadoccomment">     * @param nextMethod Method that returns {@code true} if the generated</em>
+<a class="jxr_linenumber" name="L367" href="#L367">367</a> <em class="jxr_javadoccomment">     * values are to be placed in the first bin, {@code false} if it must</em>
+<a class="jxr_linenumber" name="L368" href="#L368">368</a> <em class="jxr_javadoccomment">     * go to the second bin.</em>
+<a class="jxr_linenumber" name="L369" href="#L369">369</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L370" href="#L370">370</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> checkRandomWalk(<strong class="jxr_keyword">int</strong> sampleSize,
+<a class="jxr_linenumber" name="L371" href="#L371">371</a>                                  Callable&lt;Boolean&gt; nextMethod) {
+<a class="jxr_linenumber" name="L372" href="#L372">372</a>         <strong class="jxr_keyword">int</strong> walk = 0;
+<a class="jxr_linenumber" name="L373" href="#L373">373</a> 
+<a class="jxr_linenumber" name="L374" href="#L374">374</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L375" href="#L375">375</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = 0; k &lt; sampleSize; ++k) {
+<a class="jxr_linenumber" name="L376" href="#L376">376</a>                 <strong class="jxr_keyword">if</strong> (nextMethod.call()) {
+<a class="jxr_linenumber" name="L377" href="#L377">377</a>                     ++walk;
+<a class="jxr_linenumber" name="L378" href="#L378">378</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L379" href="#L379">379</a>                     --walk;
+<a class="jxr_linenumber" name="L380" href="#L380">380</a>                 }
+<a class="jxr_linenumber" name="L381" href="#L381">381</a>             }
+<a class="jxr_linenumber" name="L382" href="#L382">382</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
+<a class="jxr_linenumber" name="L383" href="#L383">383</a>             <em class="jxr_comment">// Should never happen.</em>
+<a class="jxr_linenumber" name="L384" href="#L384">384</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(<span class="jxr_string">"Unexpected"</span>);
+<a class="jxr_linenumber" name="L385" href="#L385">385</a>         }
+<a class="jxr_linenumber" name="L386" href="#L386">386</a> 
+<a class="jxr_linenumber" name="L387" href="#L387">387</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> actual = Math.abs(walk);
+<a class="jxr_linenumber" name="L388" href="#L388">388</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> max = Math.sqrt(sampleSize) * 2.576;
+<a class="jxr_linenumber" name="L389" href="#L389">389</a>         Assert.assertTrue(generator + <span class="jxr_string">": Walked too far astray: "</span> + actual +
+<a class="jxr_linenumber" name="L390" href="#L390">390</a>                           <span class="jxr_string">" &gt; "</span> + max +
+<a class="jxr_linenumber" name="L391" href="#L391">391</a>                           <span class="jxr_string">" (test will fail randomly about 1 in 100 times)"</span>,
+<a class="jxr_linenumber" name="L392" href="#L392">392</a>                           actual &lt; max);
+<a class="jxr_linenumber" name="L393" href="#L393">393</a>     }
+<a class="jxr_linenumber" name="L394" href="#L394">394</a> 
+<a class="jxr_linenumber" name="L395" href="#L395">395</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L396" href="#L396">396</a> <em class="jxr_javadoccomment">     * Tests uniformity of the distribution produced by {@code nextInt(int)}.</em>
+<a class="jxr_linenumber" name="L397" href="#L397">397</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L398" href="#L398">398</a> <em class="jxr_javadoccomment">     * @param max Upper bound.</em>
+<a class="jxr_linenumber" name="L399" href="#L399">399</a> <em class="jxr_javadoccomment">     * @param sampleSize Number of random values generated.</em>
+<a class="jxr_linenumber" name="L400" href="#L400">400</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L401" href="#L401">401</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> checkNextIntegerInRange(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max,
+<a class="jxr_linenumber" name="L402" href="#L402">402</a>                                          <strong class="jxr_keyword">int</strong> sampleSize) {
+<a class="jxr_linenumber" name="L403" href="#L403">403</a>         checkNextIntegerInRange(generator, max, sampleSize);
+<a class="jxr_linenumber" name="L404" href="#L404">404</a>     }
+<a class="jxr_linenumber" name="L405" href="#L405">405</a> 
+<a class="jxr_linenumber" name="L406" href="#L406">406</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L407" href="#L407">407</a> <em class="jxr_javadoccomment">     * Tests uniformity of the distribution produced by {@code nextInt(int)}.</em>
+<a class="jxr_linenumber" name="L408" href="#L408">408</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L409" href="#L409">409</a> <em class="jxr_javadoccomment">     * @param rng Generator.</em>
+<a class="jxr_linenumber" name="L410" href="#L410">410</a> <em class="jxr_javadoccomment">     * @param max Upper bound.</em>
+<a class="jxr_linenumber" name="L411" href="#L411">411</a> <em class="jxr_javadoccomment">     * @param sampleSize Number of random values generated.</em>
+<a class="jxr_linenumber" name="L412" href="#L412">412</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L413" href="#L413">413</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> checkNextIntegerInRange(<strong class="jxr_keyword">final</strong> UniformRandomProvider rng,
+<a class="jxr_linenumber" name="L414" href="#L414">414</a>                                          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max,
+<a class="jxr_linenumber" name="L415" href="#L415">415</a>                                          <strong class="jxr_keyword">int</strong> sampleSize) {
+<a class="jxr_linenumber" name="L416" href="#L416">416</a>         <strong class="jxr_keyword">final</strong> Callable&lt;Integer&gt; nextMethod = <strong class="jxr_keyword">new</strong> Callable&lt;Integer&gt;() {
+<a class="jxr_linenumber" name="L417" href="#L417">417</a>             @Override
+<a class="jxr_linenumber" name="L418" href="#L418">418</a>             <strong class="jxr_keyword">public</strong> Integer call() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="L419" href="#L419">419</a>                 <strong class="jxr_keyword">return</strong> rng.nextInt(max);
+<a class="jxr_linenumber" name="L420" href="#L420">420</a>             }
+<a class="jxr_linenumber" name="L421" href="#L421">421</a>         };
+<a class="jxr_linenumber" name="L422" href="#L422">422</a> 
+<a class="jxr_linenumber" name="L423" href="#L423">423</a>         checkNextInRange(max, sampleSize, nextMethod);
+<a class="jxr_linenumber" name="L424" href="#L424">424</a>     }
+<a class="jxr_linenumber" name="L425" href="#L425">425</a> 
+<a class="jxr_linenumber" name="L426" href="#L426">426</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L427" href="#L427">427</a> <em class="jxr_javadoccomment">     * Tests uniformity of the distribution produced by {@code nextLong(long)}.</em>
+<a class="jxr_linenumber" name="L428" href="#L428">428</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L429" href="#L429">429</a> <em class="jxr_javadoccomment">     * @param max Upper bound.</em>
+<a class="jxr_linenumber" name="L430" href="#L430">430</a> <em class="jxr_javadoccomment">     * @param sampleSize Number of random values generated.</em>
+<a class="jxr_linenumber" name="L431" href="#L431">431</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L432" href="#L432">432</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> checkNextLongInRange(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> max,
+<a class="jxr_linenumber" name="L433" href="#L433">433</a>                                       <strong class="jxr_keyword">int</strong> sampleSize) {
+<a class="jxr_linenumber" name="L434" href="#L434">434</a>         <strong class="jxr_keyword">final</strong> Callable&lt;Long&gt; nextMethod = <strong class="jxr_keyword">new</strong> Callable&lt;Long&gt;() {
+<a class="jxr_linenumber" name="L435" href="#L435">435</a>             @Override
+<a class="jxr_linenumber" name="L436" href="#L436">436</a>             <strong class="jxr_keyword">public</strong> Long call() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="L437" href="#L437">437</a>                 <strong class="jxr_keyword">return</strong> generator.nextLong(max);
+<a class="jxr_linenumber" name="L438" href="#L438">438</a>             }
+<a class="jxr_linenumber" name="L439" href="#L439">439</a>         };
+<a class="jxr_linenumber" name="L440" href="#L440">440</a> 
+<a class="jxr_linenumber" name="L441" href="#L441">441</a>         checkNextInRange(max, sampleSize, nextMethod);
+<a class="jxr_linenumber" name="L442" href="#L442">442</a>     }
+<a class="jxr_linenumber" name="L443" href="#L443">443</a> 
+<a class="jxr_linenumber" name="L444" href="#L444">444</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L445" href="#L445">445</a> <em class="jxr_javadoccomment">     * Tests uniformity of the distribution produced by {@code nextFloat()}.</em>
+<a class="jxr_linenumber" name="L446" href="#L446">446</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L447" href="#L447">447</a> <em class="jxr_javadoccomment">     * @param sampleSize Number of random values generated.</em>
+<a class="jxr_linenumber" name="L448" href="#L448">448</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L449" href="#L449">449</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> checkNextFloat(<strong class="jxr_keyword">int</strong> sampleSize) {
+<a class="jxr_linenumber" name="L450" href="#L450">450</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max = 1234;
+<a class="jxr_linenumber" name="L451" href="#L451">451</a>         <strong class="jxr_keyword">final</strong> Callable&lt;Integer&gt; nextMethod = <strong class="jxr_keyword">new</strong> Callable&lt;Integer&gt;() {
+<a class="jxr_linenumber" name="L452" href="#L452">452</a>             @Override
+<a class="jxr_linenumber" name="L453" href="#L453">453</a>             <strong class="jxr_keyword">public</strong> Integer call() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="L454" href="#L454">454</a>                 <strong class="jxr_keyword">return</strong> (<strong class="jxr_keyword">int</strong>) (max * generator.nextFloat());
+<a class="jxr_linenumber" name="L455" href="#L455">455</a>             }
+<a class="jxr_linenumber" name="L456" href="#L456">456</a>         };
+<a class="jxr_linenumber" name="L457" href="#L457">457</a> 
+<a class="jxr_linenumber" name="L458" href="#L458">458</a>         checkNextInRange(max, sampleSize, nextMethod);
+<a class="jxr_linenumber" name="L459" href="#L459">459</a>     }
+<a class="jxr_linenumber" name="L460" href="#L460">460</a> 
+<a class="jxr_linenumber" name="L461" href="#L461">461</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L462" href="#L462">462</a> <em class="jxr_javadoccomment">     * Tests uniformity of the distribution produced by {@code nextDouble()}.</em>
+<a class="jxr_linenumber" name="L463" href="#L463">463</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L464" href="#L464">464</a> <em class="jxr_javadoccomment">     * @param sampleSize Number of random values generated.</em>
+<a class="jxr_linenumber" name="L465" href="#L465">465</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L466" href="#L466">466</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> checkNextDouble(<strong class="jxr_keyword">int</strong> sampleSize) {
+<a class="jxr_linenumber" name="L467" href="#L467">467</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max = 578;
+<a class="jxr_linenumber" name="L468" href="#L468">468</a>         <strong class="jxr_keyword">final</strong> Callable&lt;Integer&gt; nextMethod = <strong class="jxr_keyword">new</strong> Callable&lt;Integer&gt;() {
+<a class="jxr_linenumber" name="L469" href="#L469">469</a>             @Override
+<a class="jxr_linenumber" name="L470" href="#L470">470</a>             <strong class="jxr_keyword">public</strong> Integer call() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="L471" href="#L471">471</a>                 <strong class="jxr_keyword">return</strong> (<strong class="jxr_keyword">int</strong>) (max * generator.nextDouble());
+<a class="jxr_linenumber" name="L472" href="#L472">472</a>             }
+<a class="jxr_linenumber" name="L473" href="#L473">473</a>         };
+<a class="jxr_linenumber" name="L474" href="#L474">474</a> 
+<a class="jxr_linenumber" name="L475" href="#L475">475</a>         checkNextInRange(max, sampleSize, nextMethod);
+<a class="jxr_linenumber" name="L476" href="#L476">476</a>     }
+<a class="jxr_linenumber" name="L477" href="#L477">477</a> 
+<a class="jxr_linenumber" name="L478" href="#L478">478</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L479" href="#L479">479</a> <em class="jxr_javadoccomment">     * Tests uniformity of the distribution produced by the given</em>
+<a class="jxr_linenumber" name="L480" href="#L480">480</a> <em class="jxr_javadoccomment">     * {@code nextMethod}.</em>
+<a class="jxr_linenumber" name="L481" href="#L481">481</a> <em class="jxr_javadoccomment">     * It performs a chi-square test of homogeneity of the observed</em>
+<a class="jxr_linenumber" name="L482" href="#L482">482</a> <em class="jxr_javadoccomment">     * distribution with the expected uniform distribution.</em>
+<a class="jxr_linenumber" name="L483" href="#L483">483</a> <em class="jxr_javadoccomment">     * Tests are performed at the 1% level and an average failure rate</em>
+<a class="jxr_linenumber" name="L484" href="#L484">484</a> <em class="jxr_javadoccomment">     * higher than 2% causes the test case to fail.</em>
+<a class="jxr_linenumber" name="L485" href="#L485">485</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L486" href="#L486">486</a> <em class="jxr_javadoccomment">     * @param max Upper bound.</em>
+<a class="jxr_linenumber" name="L487" href="#L487">487</a> <em class="jxr_javadoccomment">     * @param nextMethod method to call.</em>
+<a class="jxr_linenumber" name="L488" href="#L488">488</a> <em class="jxr_javadoccomment">     * @param sampleSize Number of random values generated.</em>
+<a class="jxr_linenumber" name="L489" href="#L489">489</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L490" href="#L490">490</a>     <strong class="jxr_keyword">private</strong> &lt;T <strong class="jxr_keyword">extends</strong> Number&gt; <strong class="jxr_keyword">void</strong> checkNextInRange(T max,
+<a class="jxr_linenumber" name="L491" href="#L491">491</a>                                                      <strong class="jxr_keyword">int</strong> sampleSize,
+<a class="jxr_linenumber" name="L492" href="#L492">492</a>                                                      Callable&lt;T&gt; nextMethod) {
+<a class="jxr_linenumber" name="L493" href="#L493">493</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> numTests = 500;
+<a class="jxr_linenumber" name="L494" href="#L494">494</a> 
+<a class="jxr_linenumber" name="L495" href="#L495">495</a>         <em class="jxr_comment">// Do not change (statistical test assumes that dof = 9).</em>
+<a class="jxr_linenumber" name="L496" href="#L496">496</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> numBins = 10; <em class="jxr_comment">// dof = numBins - 1</em>
+<a class="jxr_linenumber" name="L497" href="#L497">497</a> 
+<a class="jxr_linenumber" name="L498" href="#L498">498</a>         <em class="jxr_comment">// Set up bins.</em>
+<a class="jxr_linenumber" name="L499" href="#L499">499</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> n = max.longValue();
+<a class="jxr_linenumber" name="L500" href="#L500">500</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] binUpperBounds = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[numBins];
+<a class="jxr_linenumber" name="L501" href="#L501">501</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> step = n / (<strong class="jxr_keyword">double</strong>) numBins;
+<a class="jxr_linenumber" name="L502" href="#L502">502</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = 0; k &lt; numBins; k++) {
+<a class="jxr_linenumber" name="L503" href="#L503">503</a>             binUpperBounds[k] = (<strong class="jxr_keyword">long</strong>) ((k + 1) * step);
+<a class="jxr_linenumber" name="L504" href="#L504">504</a>         }
+<a class="jxr_linenumber" name="L505" href="#L505">505</a> 
+<a class="jxr_linenumber" name="L506" href="#L506">506</a>         <em class="jxr_comment">// Run the tests.</em>
+<a class="jxr_linenumber" name="L507" href="#L507">507</a>         <strong class="jxr_keyword">int</strong> numFailures = 0;
+<a class="jxr_linenumber" name="L508" href="#L508">508</a> 
+<a class="jxr_linenumber" name="L509" href="#L509">509</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] expected = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[numBins];
+<a class="jxr_linenumber" name="L510" href="#L510">510</a>         <strong class="jxr_keyword">long</strong> previousUpperBound = 0;
+<a class="jxr_linenumber" name="L511" href="#L511">511</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = 0; k &lt; numBins; k++) {
+<a class="jxr_linenumber" name="L512" href="#L512">512</a>             <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> range = binUpperBounds[k] - previousUpperBound;
+<a class="jxr_linenumber" name="L513" href="#L513">513</a>             expected[k] = sampleSize * (range / (<strong class="jxr_keyword">double</strong>) n);
+<a class="jxr_linenumber" name="L514" href="#L514">514</a>             previousUpperBound = binUpperBounds[k];
+<a class="jxr_linenumber" name="L515" href="#L515">515</a>         }
+<a class="jxr_linenumber" name="L516" href="#L516">516</a> 
+<a class="jxr_linenumber" name="L517" href="#L517">517</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] observed = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[numBins];
+<a class="jxr_linenumber" name="L518" href="#L518">518</a>         <em class="jxr_comment">// Chi-square critical value with 9 degrees of freedom</em>
+<a class="jxr_linenumber" name="L519" href="#L519">519</a>         <em class="jxr_comment">// and 1% significance level.</em>
+<a class="jxr_linenumber" name="L520" href="#L520">520</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> chi2CriticalValue = 21.67;
+<a class="jxr_linenumber" name="L521" href="#L521">521</a> 
+<a class="jxr_linenumber" name="L522" href="#L522">522</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L523" href="#L523">523</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; numTests; i++) {
+<a class="jxr_linenumber" name="L524" href="#L524">524</a>                 Arrays.fill(observed, 0);
+<a class="jxr_linenumber" name="L525" href="#L525">525</a>                 <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; sampleSize; j++) {
+<a class="jxr_linenumber" name="L526" href="#L526">526</a>                     <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> value = nextMethod.call().longValue();
+<a class="jxr_linenumber" name="L527" href="#L527">527</a>                     Assert.assertTrue(<span class="jxr_string">"Range"</span>, (value &gt;= 0) &amp;&amp; (value &lt; n));
+<a class="jxr_linenumber" name="L528" href="#L528">528</a> 
+<a class="jxr_linenumber" name="L529" href="#L529">529</a>                     <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = 0; k &lt; numBins; k++) {
+<a class="jxr_linenumber" name="L530" href="#L530">530</a>                         <strong class="jxr_keyword">if</strong> (value &lt; binUpperBounds[k]) {
+<a class="jxr_linenumber" name="L531" href="#L531">531</a>                             ++observed[k];
+<a class="jxr_linenumber" name="L532" href="#L532">532</a>                             <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L533" href="#L533">533</a>                         }
+<a class="jxr_linenumber" name="L534" href="#L534">534</a>                     }
+<a class="jxr_linenumber" name="L535" href="#L535">535</a>                 }
+<a class="jxr_linenumber" name="L536" href="#L536">536</a> 
+<a class="jxr_linenumber" name="L537" href="#L537">537</a>                 <em class="jxr_comment">// Compute chi-square.</em>
+<a class="jxr_linenumber" name="L538" href="#L538">538</a>                 <strong class="jxr_keyword">double</strong> chi2 = 0;
+<a class="jxr_linenumber" name="L539" href="#L539">539</a>                 <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = 0; k &lt; numBins; k++) {
+<a class="jxr_linenumber" name="L540" href="#L540">540</a>                     <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> diff = observed[k] - expected[k];
+<a class="jxr_linenumber" name="L541" href="#L541">541</a>                     chi2 += diff * diff / expected[k];
+<a class="jxr_linenumber" name="L542" href="#L542">542</a>                 }
+<a class="jxr_linenumber" name="L543" href="#L543">543</a> 
+<a class="jxr_linenumber" name="L544" href="#L544">544</a>                 <em class="jxr_comment">// Statistics check.</em>
+<a class="jxr_linenumber" name="L545" href="#L545">545</a>                 <strong class="jxr_keyword">if</strong> (chi2 &gt; chi2CriticalValue) {
+<a class="jxr_linenumber" name="L546" href="#L546">546</a>                     ++numFailures;
+<a class="jxr_linenumber" name="L547" href="#L547">547</a>                 }
+<a class="jxr_linenumber" name="L548" href="#L548">548</a>             }
+<a class="jxr_linenumber" name="L549" href="#L549">549</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
+<a class="jxr_linenumber" name="L550" href="#L550">550</a>             <em class="jxr_comment">// Should never happen.</em>
+<a class="jxr_linenumber" name="L551" href="#L551">551</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(<span class="jxr_string">"Unexpected"</span>, e);
+<a class="jxr_linenumber" name="L552" href="#L552">552</a>         }
+<a class="jxr_linenumber" name="L553" href="#L553">553</a> 
+<a class="jxr_linenumber" name="L554" href="#L554">554</a>         <strong class="jxr_keyword">if</strong> ((<strong class="jxr_keyword">double</strong>) numFailures / (<strong class="jxr_keyword">double</strong>) numTests &gt; 0.02) {
+<a class="jxr_linenumber" name="L555" href="#L555">555</a>             Assert.fail(generator + <span class="jxr_string">": Too many failures for n = "</span> + n +
+<a class="jxr_linenumber" name="L556" href="#L556">556</a>                         <span class="jxr_string">" ("</span> + numFailures + <span class="jxr_string">" out of "</span> + numTests + <span class="jxr_string">" tests failed)"</span>);
+<a class="jxr_linenumber" name="L557" href="#L557">557</a>         }
+<a class="jxr_linenumber" name="L558" href="#L558">558</a>     }
+<a class="jxr_linenumber" name="L559" href="#L559">559</a> 
+<a class="jxr_linenumber" name="L560" href="#L560">560</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L561" href="#L561">561</a> <em class="jxr_javadoccomment">     * @param rng Generator.</em>
+<a class="jxr_linenumber" name="L562" href="#L562">562</a> <em class="jxr_javadoccomment">     * @param chunkSize Size of the small buffer.</em>
+<a class="jxr_linenumber" name="L563" href="#L563">563</a> <em class="jxr_javadoccomment">     * @param numChunks Number of chunks that make the large buffer.</em>
+<a class="jxr_linenumber" name="L564" href="#L564">564</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L565" href="#L565">565</a>     <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkNextBytesChunks(RestorableUniformRandomProvider rng,
+<a class="jxr_linenumber" name="L566" href="#L566">566</a>                                      <strong class="jxr_keyword">int</strong> chunkSize,
+<a class="jxr_linenumber" name="L567" href="#L567">567</a>                                      <strong class="jxr_keyword">int</strong> numChunks) {
+<a class="jxr_linenumber" name="L568" href="#L568">568</a>         <strong class="jxr_keyword">final</strong> byte[] b1 = <strong class="jxr_keyword">new</strong> byte[chunkSize * numChunks];
+<a class="jxr_linenumber" name="L569" href="#L569">569</a>         <strong class="jxr_keyword">final</strong> byte[] b2 = <strong class="jxr_keyword">new</strong> byte[chunkSize];
+<a class="jxr_linenumber" name="L570" href="#L570">570</a> 
+<a class="jxr_linenumber" name="L571" href="#L571">571</a>         <strong class="jxr_keyword">final</strong> RandomProviderState state = rng.saveState();
+<a class="jxr_linenumber" name="L572" href="#L572">572</a> 
+<a class="jxr_linenumber" name="L573" href="#L573">573</a>         <em class="jxr_comment">// Generate the chunks in a single call.</em>
+<a class="jxr_linenumber" name="L574" href="#L574">574</a>         rng.nextBytes(b1);
+<a class="jxr_linenumber" name="L575" href="#L575">575</a> 
+<a class="jxr_linenumber" name="L576" href="#L576">576</a>         <em class="jxr_comment">// Reset to previous state.</em>
+<a class="jxr_linenumber" name="L577" href="#L577">577</a>         rng.restoreState(state);
+<a class="jxr_linenumber" name="L578" href="#L578">578</a> 
+<a class="jxr_linenumber" name="L579" href="#L579">579</a>         <em class="jxr_comment">// Generate the chunks in consecutive calls.</em>
+<a class="jxr_linenumber" name="L580" href="#L580">580</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; numChunks; i++) {
+<a class="jxr_linenumber" name="L581" href="#L581">581</a>             rng.nextBytes(b2);
+<a class="jxr_linenumber" name="L582" href="#L582">582</a>         }
+<a class="jxr_linenumber" name="L583" href="#L583">583</a> 
+<a class="jxr_linenumber" name="L584" href="#L584">584</a>         <em class="jxr_comment">// Store last "chunkSize" bytes of b1 into b3.</em>
+<a class="jxr_linenumber" name="L585" href="#L585">585</a>         <strong class="jxr_keyword">final</strong> byte[] b3 = <strong class="jxr_keyword">new</strong> byte[chunkSize];
+<a class="jxr_linenumber" name="L586" href="#L586">586</a>         System.arraycopy(b1, b1.length - b3.length, b3, 0, b3.length);
+<a class="jxr_linenumber" name="L587" href="#L587">587</a> 
+<a class="jxr_linenumber" name="L588" href="#L588">588</a>         <em class="jxr_comment">// Sequence of calls must be the same.</em>
+<a class="jxr_linenumber" name="L589" href="#L589">589</a>         Assert.assertArrayEquals(<span class="jxr_string">"chunkSize="</span> + chunkSize + <span class="jxr_string">" numChunks="</span> + numChunks,
+<a class="jxr_linenumber" name="L590" href="#L590">590</a>                                  b2, b3);
+<a class="jxr_linenumber" name="L591" href="#L591">591</a>     }
+<a class="jxr_linenumber" name="L592" href="#L592">592</a> 
+<a class="jxr_linenumber" name="L593" href="#L593">593</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L594" href="#L594">594</a> <em class="jxr_javadoccomment">     * Dummy class for checking that restoring fails when an invalid state is used.</em>
+<a class="jxr_linenumber" name="L595" href="#L595">595</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L596" href="#L596">596</a>     <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/rng/core/ProvidersCommonParametricTest.html">DummyGenerator</a> <strong class="jxr_keyword">extends</strong> org.apache.commons.rng.core.source32.IntProvider {
+<a class="jxr_linenumber" name="L597" href="#L597">597</a>         <em class="jxr_javadoccomment">/** {@inheritDoc} */</em>
+<a class="jxr_linenumber" name="L598" href="#L598">598</a>         @Override
+<a class="jxr_linenumber" name="L599" href="#L599">599</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> next() {
+<a class="jxr_linenumber" name="L600" href="#L600">600</a>             <strong class="jxr_keyword">return</strong> 4; <em class="jxr_comment">// https://www.xkcd.com/221/</em>
+<a class="jxr_linenumber" name="L601" href="#L601">601</a>         }
+<a class="jxr_linenumber" name="L602" href="#L602">602</a> 
+<a class="jxr_linenumber" name="L603" href="#L603">603</a>         <em class="jxr_javadoccomment">/** {@inheritDoc} */</em>
+<a class="jxr_linenumber" name="L604" href="#L604">604</a>         @Override
+<a class="jxr_linenumber" name="L605" href="#L605">605</a>         <strong class="jxr_keyword">protected</strong> byte[] getStateInternal() {
+<a class="jxr_linenumber" name="L606" href="#L606">606</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> byte[0];
+<a class="jxr_linenumber" name="L607" href="#L607">607</a>         }
+<a class="jxr_linenumber" name="L608" href="#L608">608</a> 
+<a class="jxr_linenumber" name="L609" href="#L609">609</a>         <em class="jxr_javadoccomment">/** {@inheritDoc} */</em>
+<a class="jxr_linenumber" name="L610" href="#L610">610</a>         @Override
+<a class="jxr_linenumber" name="L611" href="#L611">611</a>         <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> setStateInternal(byte[] s) {
+<a class="jxr_linenumber" name="L612" href="#L612">612</a>             <em class="jxr_comment">// No state.</em>
+<a class="jxr_linenumber" name="L613" href="#L613">613</a>         }
+<a class="jxr_linenumber" name="L614" href="#L614">614</a>     }
+<a class="jxr_linenumber" name="L615" href="#L615">615</a> }
+</pre>
+<hr/>
+<div id="footer">Copyright &#169; 2016 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</div>
+</body>
+</html>

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