Modified: websites/production/commons/content/proper/commons-rng/xref-test/org/apache/commons/rng/ProvidersCommonParametricTest.html ============================================================================== --- websites/production/commons/content/proper/commons-rng/xref-test/org/apache/commons/rng/ProvidersCommonParametricTest.html (original) +++ websites/production/commons/content/proper/commons-rng/xref-test/org/apache/commons/rng/ProvidersCommonParametricTest.html Fri Sep 2 16:37:56 2016 @@ -37,653 +37,771 @@ <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.runner.RunWith; -<a class="jxr_linenumber" name="L33" href="#L33">33</a> <strong class="jxr_keyword">import</strong> org.junit.runners.Parameterized; -<a class="jxr_linenumber" name="L34" href="#L34">34</a> <strong class="jxr_keyword">import</strong> org.junit.runners.Parameterized.Parameters; -<a class="jxr_linenumber" name="L35" href="#L35">35</a> -<a class="jxr_linenumber" name="L36" href="#L36">36</a> <strong class="jxr_keyword">import</strong> org.apache.commons.rng.internal.util.NumberFactory; -<a class="jxr_linenumber" name="L37" href="#L37">37</a> -<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * Test for tests which all generators must pass.</em> -<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L41" href="#L41">41</a> @RunWith(value=Parameterized.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="L42" href="#L42">42</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/commons/rng/ProvidersCommonParametricTest.html">ProvidersCommonParametricTest</a> { -<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment">/** RNG under test. */</em> -<a class="jxr_linenumber" name="L44" href="#L44">44</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> UniformRandomProvider generator; -<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment">/** RNG specifier. */</em> -<a class="jxr_linenumber" name="L46" href="#L46">46</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> RandomSource originalSource; -<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment">/** Seed (constructor's first parameter). */</em> -<a class="jxr_linenumber" name="L48" href="#L48">48</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Object originalSeed; -<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment">/** Constructor's additional parameters. */</em> -<a class="jxr_linenumber" name="L50" href="#L50">50</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Object[] originalArgs; -<a class="jxr_linenumber" name="L51" href="#L51">51</a> -<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> * Initializes generator instance.</em> -<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment"> * @param rng RNG to be tested.</em> -<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L57" href="#L57">57</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/rng/ProvidersCommonParametricTest.html">ProvidersCommonParametricTest</a>(ProvidersList.Data data) { -<a class="jxr_linenumber" name="L58" href="#L58">58</a> originalSource = data.getSource(); -<a class="jxr_linenumber" name="L59" href="#L59">59</a> originalSeed = data.getSeed(); -<a class="jxr_linenumber" name="L60" href="#L60">60</a> originalArgs = data.getArgs(); -<a class="jxr_linenumber" name="L61" href="#L61">61</a> generator = RandomSource.create(originalSource, originalSeed, originalArgs); -<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> @Parameters(name = <span class="jxr_string">"{index}: data={0}"</span>) -<a class="jxr_linenumber" name="L65" href="#L65">65</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Iterable<ProvidersList.Data[]> getList() { -<a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">return</strong> ProvidersList.list(); -<a class="jxr_linenumber" name="L67" href="#L67">67</a> } -<a class="jxr_linenumber" name="L68" href="#L68">68</a> +<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.internal.util.NumberFactory; +<a class="jxr_linenumber" name="L38" href="#L38">38</a> +<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * Tests which all generators must pass.</em> +<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> @RunWith(value=Parameterized.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L43" href="#L43">43</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/commons/rng/ProvidersCommonParametricTest.html">ProvidersCommonParametricTest</a> { +<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment">/** RNG under test. */</em> +<a class="jxr_linenumber" name="L45" href="#L45">45</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> UniformRandomProvider generator; +<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment">/** RNG specifier. */</em> +<a class="jxr_linenumber" name="L47" href="#L47">47</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> RandomSource originalSource; +<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment">/** Seed (constructor's first parameter). */</em> +<a class="jxr_linenumber" name="L49" href="#L49">49</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Object originalSeed; +<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment">/** Constructor's additional parameters. */</em> +<a class="jxr_linenumber" name="L51" href="#L51">51</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Object[] originalArgs; +<a class="jxr_linenumber" name="L52" href="#L52">52</a> +<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> <em class="jxr_javadoccomment"> * Initializes generator instance.</em> +<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment"> * @param rng RNG to be tested.</em> +<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="L58" href="#L58">58</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/rng/ProvidersCommonParametricTest.html">ProvidersCommonParametricTest</a>(ProvidersList.Data data) { +<a class="jxr_linenumber" name="L59" href="#L59">59</a> originalSource = data.getSource(); +<a class="jxr_linenumber" name="L60" href="#L60">60</a> originalSeed = data.getSeed(); +<a class="jxr_linenumber" name="L61" href="#L61">61</a> originalArgs = data.getArgs(); +<a class="jxr_linenumber" name="L62" href="#L62">62</a> generator = RandomSource.create(originalSource, originalSeed, originalArgs); +<a class="jxr_linenumber" name="L63" href="#L63">63</a> } +<a class="jxr_linenumber" name="L64" href="#L64">64</a> +<a class="jxr_linenumber" name="L65" href="#L65">65</a> @Parameters(name = <span class="jxr_string">"{index}: data={0}"</span>) +<a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Iterable<ProvidersList.Data[]> getList() { +<a class="jxr_linenumber" name="L67" href="#L67">67</a> <strong class="jxr_keyword">return</strong> ProvidersList.list(); +<a class="jxr_linenumber" name="L68" href="#L68">68</a> } <a class="jxr_linenumber" name="L69" href="#L69">69</a> -<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_comment">// Precondition tests</em> -<a class="jxr_linenumber" name="L71" href="#L71">71</a> -<a class="jxr_linenumber" name="L72" href="#L72">72</a> @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="L73" href="#L73">73</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextInt1() { -<a class="jxr_linenumber" name="L74" href="#L74">74</a> generator.nextInt(-1); -<a class="jxr_linenumber" name="L75" href="#L75">75</a> } -<a class="jxr_linenumber" name="L76" href="#L76">76</a> -<a class="jxr_linenumber" name="L77" href="#L77">77</a> @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="L78" href="#L78">78</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextInt2() { -<a class="jxr_linenumber" name="L79" href="#L79">79</a> generator.nextInt(0); -<a class="jxr_linenumber" name="L80" href="#L80">80</a> } -<a class="jxr_linenumber" name="L81" href="#L81">81</a> -<a class="jxr_linenumber" name="L82" href="#L82">82</a> @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextLong1() { -<a class="jxr_linenumber" name="L84" href="#L84">84</a> generator.nextLong(-1); -<a class="jxr_linenumber" name="L85" href="#L85">85</a> } -<a class="jxr_linenumber" name="L86" href="#L86">86</a> -<a class="jxr_linenumber" name="L87" href="#L87">87</a> @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="L88" href="#L88">88</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextLong2() { -<a class="jxr_linenumber" name="L89" href="#L89">89</a> generator.nextLong(0); -<a class="jxr_linenumber" name="L90" href="#L90">90</a> } -<a class="jxr_linenumber" name="L91" href="#L91">91</a> -<a class="jxr_linenumber" name="L92" href="#L92">92</a> @Test(expected=IndexOutOfBoundsException.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="L93" href="#L93">93</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextBytes1() { -<a class="jxr_linenumber" name="L94" href="#L94">94</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 10; -<a class="jxr_linenumber" name="L95" href="#L95">95</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> num = 1; -<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, -1, num); -<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> testPreconditionNextBytes2() { -<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> byte[] buf = <strong class="jxr_keyword">new</strong> byte[size]; -<a class="jxr_linenumber" name="L103" href="#L103">103</a> generator.nextBytes(buf, size, 0); -<a class="jxr_linenumber" name="L104" href="#L104">104</a> } -<a class="jxr_linenumber" name="L105" href="#L105">105</a> @Test(expected=IndexOutOfBoundsException.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="L106" href="#L106">106</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextBytes3() { -<a class="jxr_linenumber" name="L107" href="#L107">107</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 10; -<a class="jxr_linenumber" name="L108" href="#L108">108</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = 2; -<a class="jxr_linenumber" name="L109" href="#L109">109</a> <strong class="jxr_keyword">final</strong> byte[] buf = <strong class="jxr_keyword">new</strong> byte[size]; -<a class="jxr_linenumber" name="L110" href="#L110">110</a> generator.nextBytes(buf, offset, size - offset + 1); -<a class="jxr_linenumber" name="L111" href="#L111">111</a> } -<a class="jxr_linenumber" name="L112" href="#L112">112</a> @Test(expected=IndexOutOfBoundsException.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="L113" href="#L113">113</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextBytes4() { -<a class="jxr_linenumber" name="L114" href="#L114">114</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 10; -<a class="jxr_linenumber" name="L115" href="#L115">115</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = 1; -<a class="jxr_linenumber" name="L116" href="#L116">116</a> <strong class="jxr_keyword">final</strong> byte[] buf = <strong class="jxr_keyword">new</strong> byte[size]; -<a class="jxr_linenumber" name="L117" href="#L117">117</a> generator.nextBytes(buf, offset, -1); -<a class="jxr_linenumber" name="L118" href="#L118">118</a> } -<a class="jxr_linenumber" name="L119" href="#L119">119</a> +<a class="jxr_linenumber" name="L70" href="#L70">70</a> +<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_comment">// Precondition tests</em> +<a class="jxr_linenumber" name="L72" href="#L72">72</a> +<a class="jxr_linenumber" name="L73" href="#L73">73</a> @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L74" href="#L74">74</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextInt1() { +<a class="jxr_linenumber" name="L75" href="#L75">75</a> generator.nextInt(-1); +<a class="jxr_linenumber" name="L76" href="#L76">76</a> } +<a class="jxr_linenumber" name="L77" href="#L77">77</a> +<a class="jxr_linenumber" name="L78" href="#L78">78</a> @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L79" href="#L79">79</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextInt2() { +<a class="jxr_linenumber" name="L80" href="#L80">80</a> generator.nextInt(0); +<a class="jxr_linenumber" name="L81" href="#L81">81</a> } +<a class="jxr_linenumber" name="L82" href="#L82">82</a> +<a class="jxr_linenumber" name="L83" href="#L83">83</a> @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L84" href="#L84">84</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextLong1() { +<a class="jxr_linenumber" name="L85" href="#L85">85</a> generator.nextLong(-1); +<a class="jxr_linenumber" name="L86" href="#L86">86</a> } +<a class="jxr_linenumber" name="L87" href="#L87">87</a> +<a class="jxr_linenumber" name="L88" href="#L88">88</a> @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L89" href="#L89">89</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextLong2() { +<a class="jxr_linenumber" name="L90" href="#L90">90</a> generator.nextLong(0); +<a class="jxr_linenumber" name="L91" href="#L91">91</a> } +<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> testPreconditionNextBytes1() { +<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> <strong class="jxr_keyword">int</strong> num = 1; +<a class="jxr_linenumber" name="L97" href="#L97">97</a> <strong class="jxr_keyword">final</strong> byte[] buf = <strong class="jxr_keyword">new</strong> byte[size]; +<a class="jxr_linenumber" name="L98" href="#L98">98</a> generator.nextBytes(buf, -1, num); +<a class="jxr_linenumber" name="L99" href="#L99">99</a> } +<a class="jxr_linenumber" name="L100" href="#L100">100</a> @Test(expected=IndexOutOfBoundsException.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L101" href="#L101">101</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextBytes2() { +<a class="jxr_linenumber" name="L102" href="#L102">102</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 10; +<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, size, 0); +<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> testPreconditionNextBytes3() { +<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 = 2; +<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, size - offset + 1); +<a class="jxr_linenumber" name="L112" href="#L112">112</a> } +<a class="jxr_linenumber" name="L113" href="#L113">113</a> @Test(expected=IndexOutOfBoundsException.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L114" href="#L114">114</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPreconditionNextBytes4() { +<a class="jxr_linenumber" name="L115" href="#L115">115</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 10; +<a class="jxr_linenumber" name="L116" href="#L116">116</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = 1; +<a class="jxr_linenumber" name="L117" href="#L117">117</a> <strong class="jxr_keyword">final</strong> byte[] buf = <strong class="jxr_keyword">new</strong> byte[size]; +<a class="jxr_linenumber" name="L118" href="#L118">118</a> generator.nextBytes(buf, offset, -1); +<a class="jxr_linenumber" name="L119" href="#L119">119</a> } <a class="jxr_linenumber" name="L120" href="#L120">120</a> -<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_comment">// Uniformity tests</em> -<a class="jxr_linenumber" name="L122" href="#L122">122</a> -<a class="jxr_linenumber" name="L123" href="#L123">123</a> @Test -<a class="jxr_linenumber" name="L124" href="#L124">124</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextBytesFullBuffer() { -<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_comment">// Value chosen to exercise all the code lines in the</em> -<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_comment">// "nextBytes" methods.</em> -<a class="jxr_linenumber" name="L127" href="#L127">127</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 23; -<a class="jxr_linenumber" name="L128" href="#L128">128</a> <strong class="jxr_keyword">final</strong> byte[] buffer = <strong class="jxr_keyword">new</strong> byte[size]; -<a class="jxr_linenumber" name="L129" href="#L129">129</a> -<a class="jxr_linenumber" name="L130" href="#L130">130</a> <strong class="jxr_keyword">final</strong> Runnable nextMethod = <strong class="jxr_keyword">new</strong> Runnable() { -<a class="jxr_linenumber" name="L131" href="#L131">131</a> @Override -<a class="jxr_linenumber" name="L132" href="#L132">132</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() { -<a class="jxr_linenumber" name="L133" href="#L133">133</a> generator.nextBytes(buffer); -<a class="jxr_linenumber" name="L134" href="#L134">134</a> } -<a class="jxr_linenumber" name="L135" href="#L135">135</a> }; -<a class="jxr_linenumber" name="L136" href="#L136">136</a> -<a class="jxr_linenumber" name="L137" href="#L137">137</a> Assert.assertTrue(isUniformNextBytes(buffer, 0, size, nextMethod)); -<a class="jxr_linenumber" name="L138" href="#L138">138</a> } -<a class="jxr_linenumber" name="L139" href="#L139">139</a> -<a class="jxr_linenumber" name="L140" href="#L140">140</a> @Test -<a class="jxr_linenumber" name="L141" href="#L141">141</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextBytesPartialBuffer() { -<a class="jxr_linenumber" name="L142" href="#L142">142</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> totalSize = 1234; -<a class="jxr_linenumber" name="L143" href="#L143">143</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = 567; -<a class="jxr_linenumber" name="L144" href="#L144">144</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 89; -<a class="jxr_linenumber" name="L145" href="#L145">145</a> -<a class="jxr_linenumber" name="L146" href="#L146">146</a> <strong class="jxr_keyword">final</strong> byte[] buffer = <strong class="jxr_keyword">new</strong> byte[totalSize]; -<a class="jxr_linenumber" name="L147" href="#L147">147</a> -<a class="jxr_linenumber" name="L148" href="#L148">148</a> <strong class="jxr_keyword">final</strong> Runnable nextMethod = <strong class="jxr_keyword">new</strong> Runnable() { -<a class="jxr_linenumber" name="L149" href="#L149">149</a> @Override -<a class="jxr_linenumber" name="L150" href="#L150">150</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() { -<a class="jxr_linenumber" name="L151" href="#L151">151</a> generator.nextBytes(buffer, offset, size); -<a class="jxr_linenumber" name="L152" href="#L152">152</a> } -<a class="jxr_linenumber" name="L153" href="#L153">153</a> }; -<a class="jxr_linenumber" name="L154" href="#L154">154</a> -<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_comment">// Test should pass for the part of the buffer where values are put.</em> -<a class="jxr_linenumber" name="L156" href="#L156">156</a> Assert.assertTrue(isUniformNextBytes(buffer, offset, offset + size, nextMethod)); -<a class="jxr_linenumber" name="L157" href="#L157">157</a> -<a class="jxr_linenumber" name="L158" href="#L158">158</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="L159" href="#L159">159</a> Assert.assertFalse(isUniformNextBytes(buffer, 0, offset, nextMethod)); -<a class="jxr_linenumber" name="L160" href="#L160">160</a> Assert.assertFalse(isUniformNextBytes(buffer, offset + size, buffer.length, nextMethod)); -<a class="jxr_linenumber" name="L161" href="#L161">161</a> } -<a class="jxr_linenumber" name="L162" href="#L162">162</a> -<a class="jxr_linenumber" name="L163" href="#L163">163</a> @Test -<a class="jxr_linenumber" name="L164" href="#L164">164</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextIntegerInRange() { -<a class="jxr_linenumber" name="L165" href="#L165">165</a> checkNextIntegerInRange(4, 1000); -<a class="jxr_linenumber" name="L166" href="#L166">166</a> checkNextIntegerInRange(10, 1000); -<a class="jxr_linenumber" name="L167" href="#L167">167</a> checkNextIntegerInRange(12, 1000); -<a class="jxr_linenumber" name="L168" href="#L168">168</a> checkNextIntegerInRange(31, 1000); -<a class="jxr_linenumber" name="L169" href="#L169">169</a> checkNextIntegerInRange(32, 1000); -<a class="jxr_linenumber" name="L170" href="#L170">170</a> checkNextIntegerInRange(2016128993, 1000); -<a class="jxr_linenumber" name="L171" href="#L171">171</a> checkNextIntegerInRange(1834691456, 1000); -<a class="jxr_linenumber" name="L172" href="#L172">172</a> checkNextIntegerInRange(869657561, 1000); -<a class="jxr_linenumber" name="L173" href="#L173">173</a> checkNextIntegerInRange(1570504788, 1000); -<a class="jxr_linenumber" name="L174" href="#L174">174</a> } -<a class="jxr_linenumber" name="L175" href="#L175">175</a> -<a class="jxr_linenumber" name="L176" href="#L176">176</a> @Test -<a class="jxr_linenumber" name="L177" href="#L177">177</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextLongInRange() { -<a class="jxr_linenumber" name="L178" href="#L178">178</a> checkNextLongInRange(4, 1000); -<a class="jxr_linenumber" name="L179" href="#L179">179</a> checkNextLongInRange(11, 1000); -<a class="jxr_linenumber" name="L180" href="#L180">180</a> checkNextLongInRange(19, 1000); -<a class="jxr_linenumber" name="L181" href="#L181">181</a> checkNextLongInRange(31, 1000); -<a class="jxr_linenumber" name="L182" href="#L182">182</a> checkNextLongInRange(32, 1000); -<a class="jxr_linenumber" name="L183" href="#L183">183</a> -<a class="jxr_linenumber" name="L184" href="#L184">184</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> q = Long.MAX_VALUE / 4; -<a class="jxr_linenumber" name="L185" href="#L185">185</a> checkNextLongInRange(q, 1000); -<a class="jxr_linenumber" name="L186" href="#L186">186</a> checkNextLongInRange(2 * q, 1000); -<a class="jxr_linenumber" name="L187" href="#L187">187</a> checkNextLongInRange(3 * q, 1000); -<a class="jxr_linenumber" name="L188" href="#L188">188</a> } -<a class="jxr_linenumber" name="L189" href="#L189">189</a> -<a class="jxr_linenumber" name="L190" href="#L190">190</a> @Test -<a class="jxr_linenumber" name="L191" href="#L191">191</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextFloat() { -<a class="jxr_linenumber" name="L192" href="#L192">192</a> checkNextFloat(1000); -<a class="jxr_linenumber" name="L193" href="#L193">193</a> } -<a class="jxr_linenumber" name="L194" href="#L194">194</a> -<a class="jxr_linenumber" name="L195" href="#L195">195</a> @Test -<a class="jxr_linenumber" name="L196" href="#L196">196</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextDouble() { -<a class="jxr_linenumber" name="L197" href="#L197">197</a> checkNextDouble(1000); -<a class="jxr_linenumber" name="L198" href="#L198">198</a> } -<a class="jxr_linenumber" name="L199" href="#L199">199</a> -<a class="jxr_linenumber" name="L200" href="#L200">200</a> @Test -<a class="jxr_linenumber" name="L201" href="#L201">201</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextIntRandomWalk() { -<a class="jxr_linenumber" name="L202" href="#L202">202</a> <strong class="jxr_keyword">final</strong> Callable<Boolean> nextMethod = <strong class="jxr_keyword">new</strong> Callable<Boolean>() { -<a class="jxr_linenumber" name="L203" href="#L203">203</a> @Override -<a class="jxr_linenumber" name="L204" href="#L204">204</a> <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="L205" href="#L205">205</a> <strong class="jxr_keyword">return</strong> generator.nextInt() >= 0; -<a class="jxr_linenumber" name="L206" href="#L206">206</a> } -<a class="jxr_linenumber" name="L207" href="#L207">207</a> }; -<a class="jxr_linenumber" name="L208" href="#L208">208</a> -<a class="jxr_linenumber" name="L209" href="#L209">209</a> checkRandomWalk(1000, nextMethod); -<a class="jxr_linenumber" name="L210" href="#L210">210</a> } -<a class="jxr_linenumber" name="L211" href="#L211">211</a> -<a class="jxr_linenumber" name="L212" href="#L212">212</a> @Test -<a class="jxr_linenumber" name="L213" href="#L213">213</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextLongRandomWalk() { -<a class="jxr_linenumber" name="L214" href="#L214">214</a> <strong class="jxr_keyword">final</strong> Callable<Boolean> nextMethod = <strong class="jxr_keyword">new</strong> Callable<Boolean>() { -<a class="jxr_linenumber" name="L215" href="#L215">215</a> @Override -<a class="jxr_linenumber" name="L216" href="#L216">216</a> <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="L217" href="#L217">217</a> <strong class="jxr_keyword">return</strong> generator.nextLong() >= 0; -<a class="jxr_linenumber" name="L218" href="#L218">218</a> } -<a class="jxr_linenumber" name="L219" href="#L219">219</a> }; -<a class="jxr_linenumber" name="L220" href="#L220">220</a> -<a class="jxr_linenumber" name="L221" href="#L221">221</a> checkRandomWalk(1000, nextMethod); -<a class="jxr_linenumber" name="L222" href="#L222">222</a> } -<a class="jxr_linenumber" name="L223" href="#L223">223</a> -<a class="jxr_linenumber" name="L224" href="#L224">224</a> @Test -<a class="jxr_linenumber" name="L225" href="#L225">225</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextBooleanRandomWalk() { -<a class="jxr_linenumber" name="L226" href="#L226">226</a> <strong class="jxr_keyword">final</strong> Callable<Boolean> nextMethod = <strong class="jxr_keyword">new</strong> Callable<Boolean>() { -<a class="jxr_linenumber" name="L227" href="#L227">227</a> @Override -<a class="jxr_linenumber" name="L228" href="#L228">228</a> <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="L229" href="#L229">229</a> <strong class="jxr_keyword">return</strong> generator.nextBoolean(); -<a class="jxr_linenumber" name="L230" href="#L230">230</a> } -<a class="jxr_linenumber" name="L231" href="#L231">231</a> }; -<a class="jxr_linenumber" name="L232" href="#L232">232</a> -<a class="jxr_linenumber" name="L233" href="#L233">233</a> checkRandomWalk(1000, nextMethod); -<a class="jxr_linenumber" name="L234" href="#L234">234</a> } -<a class="jxr_linenumber" name="L235" href="#L235">235</a> -<a class="jxr_linenumber" name="L236" href="#L236">236</a> <em class="jxr_comment">// Seeding tests.</em> -<a class="jxr_linenumber" name="L237" href="#L237">237</a> -<a class="jxr_linenumber" name="L238" href="#L238">238</a> @Test(expected=UnsupportedOperationException.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="L239" href="#L239">239</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUnsupportedSeedType() { -<a class="jxr_linenumber" name="L240" href="#L240">240</a> <strong class="jxr_keyword">final</strong> byte seed = 123; -<a class="jxr_linenumber" name="L241" href="#L241">241</a> RandomSource.create(originalSource, seed, originalArgs); -<a class="jxr_linenumber" name="L242" href="#L242">242</a> } -<a class="jxr_linenumber" name="L243" href="#L243">243</a> -<a class="jxr_linenumber" name="L244" href="#L244">244</a> @Test -<a class="jxr_linenumber" name="L245" href="#L245">245</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAllSeedTypes() { -<a class="jxr_linenumber" name="L246" href="#L246">246</a> <strong class="jxr_keyword">final</strong> Integer intSeed = -12131415; -<a class="jxr_linenumber" name="L247" href="#L247">247</a> <strong class="jxr_keyword">final</strong> Long longSeed = -1213141516171819L; -<a class="jxr_linenumber" name="L248" href="#L248">248</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] intArraySeed = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[] { 0, 11, -22, 33, -44, 55, -66, 77, -88, 99 }; -<a class="jxr_linenumber" name="L249" href="#L249">249</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] longArraySeed = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[] { 11111L, -222222L, 3333333L, -44444444L }; -<a class="jxr_linenumber" name="L250" href="#L250">250</a> -<a class="jxr_linenumber" name="L251" href="#L251">251</a> <strong class="jxr_keyword">final</strong> Object[] seeds = <strong class="jxr_keyword">new</strong> Object[] { intSeed, longSeed, intArraySeed, longArraySeed }; +<a class="jxr_linenumber" name="L121" href="#L121">121</a> +<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_comment">// Uniformity tests</em> +<a class="jxr_linenumber" name="L123" href="#L123">123</a> +<a class="jxr_linenumber" name="L124" href="#L124">124</a> @Test +<a class="jxr_linenumber" name="L125" href="#L125">125</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextBytesFullBuffer() { +<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_comment">// Value chosen to exercise all the code lines in the</em> +<a class="jxr_linenumber" name="L127" href="#L127">127</a> <em class="jxr_comment">// "nextBytes" methods.</em> +<a class="jxr_linenumber" name="L128" href="#L128">128</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 23; +<a class="jxr_linenumber" name="L129" href="#L129">129</a> <strong class="jxr_keyword">final</strong> byte[] buffer = <strong class="jxr_keyword">new</strong> byte[size]; +<a class="jxr_linenumber" name="L130" href="#L130">130</a> +<a class="jxr_linenumber" name="L131" href="#L131">131</a> <strong class="jxr_keyword">final</strong> Runnable nextMethod = <strong class="jxr_keyword">new</strong> Runnable() { +<a class="jxr_linenumber" name="L132" href="#L132">132</a> @Override +<a class="jxr_linenumber" name="L133" href="#L133">133</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() { +<a class="jxr_linenumber" name="L134" href="#L134">134</a> generator.nextBytes(buffer); +<a class="jxr_linenumber" name="L135" href="#L135">135</a> } +<a class="jxr_linenumber" name="L136" href="#L136">136</a> }; +<a class="jxr_linenumber" name="L137" href="#L137">137</a> +<a class="jxr_linenumber" name="L138" href="#L138">138</a> Assert.assertTrue(isUniformNextBytes(buffer, 0, size, nextMethod)); +<a class="jxr_linenumber" name="L139" href="#L139">139</a> } +<a class="jxr_linenumber" name="L140" href="#L140">140</a> +<a class="jxr_linenumber" name="L141" href="#L141">141</a> @Test +<a class="jxr_linenumber" name="L142" href="#L142">142</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextBytesPartialBuffer() { +<a class="jxr_linenumber" name="L143" href="#L143">143</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> totalSize = 1234; +<a class="jxr_linenumber" name="L144" href="#L144">144</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = 567; +<a class="jxr_linenumber" name="L145" href="#L145">145</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = 89; +<a class="jxr_linenumber" name="L146" href="#L146">146</a> +<a class="jxr_linenumber" name="L147" href="#L147">147</a> <strong class="jxr_keyword">final</strong> byte[] buffer = <strong class="jxr_keyword">new</strong> byte[totalSize]; +<a class="jxr_linenumber" name="L148" href="#L148">148</a> +<a class="jxr_linenumber" name="L149" href="#L149">149</a> <strong class="jxr_keyword">final</strong> Runnable nextMethod = <strong class="jxr_keyword">new</strong> Runnable() { +<a class="jxr_linenumber" name="L150" href="#L150">150</a> @Override +<a class="jxr_linenumber" name="L151" href="#L151">151</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() { +<a class="jxr_linenumber" name="L152" href="#L152">152</a> generator.nextBytes(buffer, offset, size); +<a class="jxr_linenumber" name="L153" href="#L153">153</a> } +<a class="jxr_linenumber" name="L154" href="#L154">154</a> }; +<a class="jxr_linenumber" name="L155" href="#L155">155</a> +<a class="jxr_linenumber" name="L156" href="#L156">156</a> <em class="jxr_comment">// Test should pass for the part of the buffer where values are put.</em> +<a class="jxr_linenumber" name="L157" href="#L157">157</a> Assert.assertTrue(isUniformNextBytes(buffer, offset, offset + size, nextMethod)); +<a class="jxr_linenumber" name="L158" href="#L158">158</a> +<a class="jxr_linenumber" name="L159" href="#L159">159</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="L160" href="#L160">160</a> Assert.assertFalse(isUniformNextBytes(buffer, 0, offset, nextMethod)); +<a class="jxr_linenumber" name="L161" href="#L161">161</a> Assert.assertFalse(isUniformNextBytes(buffer, offset + size, buffer.length, nextMethod)); +<a class="jxr_linenumber" name="L162" href="#L162">162</a> } +<a class="jxr_linenumber" name="L163" href="#L163">163</a> +<a class="jxr_linenumber" name="L164" href="#L164">164</a> @Test +<a class="jxr_linenumber" name="L165" href="#L165">165</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextIntegerInRange() { +<a class="jxr_linenumber" name="L166" href="#L166">166</a> checkNextIntegerInRange(4, 1000); +<a class="jxr_linenumber" name="L167" href="#L167">167</a> checkNextIntegerInRange(10, 1000); +<a class="jxr_linenumber" name="L168" href="#L168">168</a> checkNextIntegerInRange(12, 1000); +<a class="jxr_linenumber" name="L169" href="#L169">169</a> checkNextIntegerInRange(31, 1000); +<a class="jxr_linenumber" name="L170" href="#L170">170</a> checkNextIntegerInRange(32, 1000); +<a class="jxr_linenumber" name="L171" href="#L171">171</a> checkNextIntegerInRange(2016128993, 1000); +<a class="jxr_linenumber" name="L172" href="#L172">172</a> checkNextIntegerInRange(1834691456, 1000); +<a class="jxr_linenumber" name="L173" href="#L173">173</a> checkNextIntegerInRange(869657561, 1000); +<a class="jxr_linenumber" name="L174" href="#L174">174</a> checkNextIntegerInRange(1570504788, 1000); +<a class="jxr_linenumber" name="L175" href="#L175">175</a> } +<a class="jxr_linenumber" name="L176" href="#L176">176</a> +<a class="jxr_linenumber" name="L177" href="#L177">177</a> @Test +<a class="jxr_linenumber" name="L178" href="#L178">178</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextLongInRange() { +<a class="jxr_linenumber" name="L179" href="#L179">179</a> checkNextLongInRange(4, 1000); +<a class="jxr_linenumber" name="L180" href="#L180">180</a> checkNextLongInRange(11, 1000); +<a class="jxr_linenumber" name="L181" href="#L181">181</a> checkNextLongInRange(19, 1000); +<a class="jxr_linenumber" name="L182" href="#L182">182</a> checkNextLongInRange(31, 1000); +<a class="jxr_linenumber" name="L183" href="#L183">183</a> checkNextLongInRange(32, 1000); +<a class="jxr_linenumber" name="L184" href="#L184">184</a> +<a class="jxr_linenumber" name="L185" href="#L185">185</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> q = Long.MAX_VALUE / 4; +<a class="jxr_linenumber" name="L186" href="#L186">186</a> checkNextLongInRange(q, 1000); +<a class="jxr_linenumber" name="L187" href="#L187">187</a> checkNextLongInRange(2 * q, 1000); +<a class="jxr_linenumber" name="L188" href="#L188">188</a> checkNextLongInRange(3 * q, 1000); +<a class="jxr_linenumber" name="L189" href="#L189">189</a> } +<a class="jxr_linenumber" name="L190" href="#L190">190</a> +<a class="jxr_linenumber" name="L191" href="#L191">191</a> @Test +<a class="jxr_linenumber" name="L192" href="#L192">192</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextFloat() { +<a class="jxr_linenumber" name="L193" href="#L193">193</a> checkNextFloat(1000); +<a class="jxr_linenumber" name="L194" href="#L194">194</a> } +<a class="jxr_linenumber" name="L195" href="#L195">195</a> +<a class="jxr_linenumber" name="L196" href="#L196">196</a> @Test +<a class="jxr_linenumber" name="L197" href="#L197">197</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextDouble() { +<a class="jxr_linenumber" name="L198" href="#L198">198</a> checkNextDouble(1000); +<a class="jxr_linenumber" name="L199" href="#L199">199</a> } +<a class="jxr_linenumber" name="L200" href="#L200">200</a> +<a class="jxr_linenumber" name="L201" href="#L201">201</a> @Test +<a class="jxr_linenumber" name="L202" href="#L202">202</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextIntRandomWalk() { +<a class="jxr_linenumber" name="L203" href="#L203">203</a> <strong class="jxr_keyword">final</strong> Callable<Boolean> nextMethod = <strong class="jxr_keyword">new</strong> Callable<Boolean>() { +<a class="jxr_linenumber" name="L204" href="#L204">204</a> @Override +<a class="jxr_linenumber" name="L205" href="#L205">205</a> <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception { +<a class="jxr_linenumber" name="L206" href="#L206">206</a> <strong class="jxr_keyword">return</strong> generator.nextInt() >= 0; +<a class="jxr_linenumber" name="L207" href="#L207">207</a> } +<a class="jxr_linenumber" name="L208" href="#L208">208</a> }; +<a class="jxr_linenumber" name="L209" href="#L209">209</a> +<a class="jxr_linenumber" name="L210" href="#L210">210</a> checkRandomWalk(1000, nextMethod); +<a class="jxr_linenumber" name="L211" href="#L211">211</a> } +<a class="jxr_linenumber" name="L212" href="#L212">212</a> +<a class="jxr_linenumber" name="L213" href="#L213">213</a> @Test +<a class="jxr_linenumber" name="L214" href="#L214">214</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextLongRandomWalk() { +<a class="jxr_linenumber" name="L215" href="#L215">215</a> <strong class="jxr_keyword">final</strong> Callable<Boolean> nextMethod = <strong class="jxr_keyword">new</strong> Callable<Boolean>() { +<a class="jxr_linenumber" name="L216" href="#L216">216</a> @Override +<a class="jxr_linenumber" name="L217" href="#L217">217</a> <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception { +<a class="jxr_linenumber" name="L218" href="#L218">218</a> <strong class="jxr_keyword">return</strong> generator.nextLong() >= 0; +<a class="jxr_linenumber" name="L219" href="#L219">219</a> } +<a class="jxr_linenumber" name="L220" href="#L220">220</a> }; +<a class="jxr_linenumber" name="L221" href="#L221">221</a> +<a class="jxr_linenumber" name="L222" href="#L222">222</a> checkRandomWalk(1000, nextMethod); +<a class="jxr_linenumber" name="L223" href="#L223">223</a> } +<a class="jxr_linenumber" name="L224" href="#L224">224</a> +<a class="jxr_linenumber" name="L225" href="#L225">225</a> @Test +<a class="jxr_linenumber" name="L226" href="#L226">226</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUniformNextBooleanRandomWalk() { +<a class="jxr_linenumber" name="L227" href="#L227">227</a> <strong class="jxr_keyword">final</strong> Callable<Boolean> nextMethod = <strong class="jxr_keyword">new</strong> Callable<Boolean>() { +<a class="jxr_linenumber" name="L228" href="#L228">228</a> @Override +<a class="jxr_linenumber" name="L229" href="#L229">229</a> <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception { +<a class="jxr_linenumber" name="L230" href="#L230">230</a> <strong class="jxr_keyword">return</strong> generator.nextBoolean(); +<a class="jxr_linenumber" name="L231" href="#L231">231</a> } +<a class="jxr_linenumber" name="L232" href="#L232">232</a> }; +<a class="jxr_linenumber" name="L233" href="#L233">233</a> +<a class="jxr_linenumber" name="L234" href="#L234">234</a> checkRandomWalk(1000, nextMethod); +<a class="jxr_linenumber" name="L235" href="#L235">235</a> } +<a class="jxr_linenumber" name="L236" href="#L236">236</a> +<a class="jxr_linenumber" name="L237" href="#L237">237</a> <em class="jxr_comment">// Seeding tests.</em> +<a class="jxr_linenumber" name="L238" href="#L238">238</a> +<a class="jxr_linenumber" name="L239" href="#L239">239</a> @Test(expected=UnsupportedOperationException.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L240" href="#L240">240</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testUnsupportedSeedType() { +<a class="jxr_linenumber" name="L241" href="#L241">241</a> <strong class="jxr_keyword">final</strong> byte seed = 123; +<a class="jxr_linenumber" name="L242" href="#L242">242</a> RandomSource.create(originalSource, seed, originalArgs); +<a class="jxr_linenumber" name="L243" href="#L243">243</a> } +<a class="jxr_linenumber" name="L244" href="#L244">244</a> +<a class="jxr_linenumber" name="L245" href="#L245">245</a> @Test +<a class="jxr_linenumber" name="L246" href="#L246">246</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAllSeedTypes() { +<a class="jxr_linenumber" name="L247" href="#L247">247</a> <strong class="jxr_keyword">final</strong> Integer intSeed = -12131415; +<a class="jxr_linenumber" name="L248" href="#L248">248</a> <strong class="jxr_keyword">final</strong> Long longSeed = -1213141516171819L; +<a class="jxr_linenumber" name="L249" href="#L249">249</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] intArraySeed = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[] { 0, 11, -22, 33, -44, 55, -66, 77, -88, 99 }; +<a class="jxr_linenumber" name="L250" href="#L250">250</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] longArraySeed = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[] { 11111L, -222222L, 3333333L, -44444444L }; +<a class="jxr_linenumber" name="L251" href="#L251">251</a> <strong class="jxr_keyword">final</strong> byte[] byteArraySeed = <strong class="jxr_keyword">new</strong> byte[] { -128, -91, -45, -32, -1, 0, 11, 23, 54, 88, 127 }; <a class="jxr_linenumber" name="L252" href="#L252">252</a> -<a class="jxr_linenumber" name="L253" href="#L253">253</a> <strong class="jxr_keyword">int</strong> nonNativeSeedCount = 0; -<a class="jxr_linenumber" name="L254" href="#L254">254</a> <strong class="jxr_keyword">int</strong> seedCount = 0; -<a class="jxr_linenumber" name="L255" href="#L255">255</a> <strong class="jxr_keyword">for</strong> (Object s : seeds) { -<a class="jxr_linenumber" name="L256" href="#L256">256</a> ++seedCount; -<a class="jxr_linenumber" name="L257" href="#L257">257</a> <strong class="jxr_keyword">if</strong> (!(originalSource.isNativeSeed(s))) { -<a class="jxr_linenumber" name="L258" href="#L258">258</a> ++nonNativeSeedCount; -<a class="jxr_linenumber" name="L259" href="#L259">259</a> } -<a class="jxr_linenumber" name="L260" href="#L260">260</a> -<a class="jxr_linenumber" name="L261" href="#L261">261</a> Assert.assertNotEquals(intSeed, originalSeed); -<a class="jxr_linenumber" name="L262" href="#L262">262</a> RandomSource.create(originalSource, s, originalArgs); -<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> Assert.assertEquals(4, seedCount); -<a class="jxr_linenumber" name="L266" href="#L266">266</a> Assert.assertEquals(3, nonNativeSeedCount); -<a class="jxr_linenumber" name="L267" href="#L267">267</a> } -<a class="jxr_linenumber" name="L268" href="#L268">268</a> -<a class="jxr_linenumber" name="L269" href="#L269">269</a> <em class="jxr_comment">// State save and restore tests.</em> -<a class="jxr_linenumber" name="L270" href="#L270">270</a> -<a class="jxr_linenumber" name="L271" href="#L271">271</a> @Test -<a class="jxr_linenumber" name="L272" href="#L272">272</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testStateSettable() { -<a class="jxr_linenumber" name="L273" href="#L273">273</a> <em class="jxr_comment">// Should be fairly large in order to ensure that all the internal</em> -<a class="jxr_linenumber" name="L274" href="#L274">274</a> <em class="jxr_comment">// state is away from its initial settings.</em> -<a class="jxr_linenumber" name="L275" href="#L275">275</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> n = 10000; -<a class="jxr_linenumber" name="L276" href="#L276">276</a> -<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_comment">// Save.</em> -<a class="jxr_linenumber" name="L278" href="#L278">278</a> <strong class="jxr_keyword">final</strong> RandomSource.State state = RandomSource.saveState(generator); -<a class="jxr_linenumber" name="L279" href="#L279">279</a> <em class="jxr_comment">// Store some values.</em> -<a class="jxr_linenumber" name="L280" href="#L280">280</a> <strong class="jxr_keyword">final</strong> List<Number> listOrig = makeList(n); -<a class="jxr_linenumber" name="L281" href="#L281">281</a> <em class="jxr_comment">// Discard a few more.</em> -<a class="jxr_linenumber" name="L282" href="#L282">282</a> <strong class="jxr_keyword">final</strong> List<Number> listDiscard = makeList(n); -<a class="jxr_linenumber" name="L283" href="#L283">283</a> Assert.assertTrue(listDiscard.size() != 0); -<a class="jxr_linenumber" name="L284" href="#L284">284</a> Assert.assertFalse(listOrig.equals(listDiscard)); -<a class="jxr_linenumber" name="L285" href="#L285">285</a> <em class="jxr_comment">// Reset.</em> -<a class="jxr_linenumber" name="L286" href="#L286">286</a> RandomSource.restoreState(generator, state); -<a class="jxr_linenumber" name="L287" href="#L287">287</a> <em class="jxr_comment">// Replay.</em> -<a class="jxr_linenumber" name="L288" href="#L288">288</a> <strong class="jxr_keyword">final</strong> List<Number> listReplay = makeList(n); -<a class="jxr_linenumber" name="L289" href="#L289">289</a> Assert.assertFalse(listOrig == listReplay); -<a class="jxr_linenumber" name="L290" href="#L290">290</a> <em class="jxr_comment">// Check that the restored state is the same as the orginal.</em> -<a class="jxr_linenumber" name="L291" href="#L291">291</a> Assert.assertTrue(listOrig.equals(listReplay)); -<a class="jxr_linenumber" name="L292" href="#L292">292</a> } -<a class="jxr_linenumber" name="L293" href="#L293">293</a> -<a class="jxr_linenumber" name="L294" href="#L294">294</a> @Test -<a class="jxr_linenumber" name="L295" href="#L295">295</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSerializingState() -<a class="jxr_linenumber" name="L296" href="#L296">296</a> <strong class="jxr_keyword">throws</strong> IOException, -<a class="jxr_linenumber" name="L297" href="#L297">297</a> ClassNotFoundException { -<a class="jxr_linenumber" name="L298" href="#L298">298</a> <em class="jxr_comment">// Large "n" is not necessary here as we only test the serialization.</em> -<a class="jxr_linenumber" name="L299" href="#L299">299</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> n = 100; -<a class="jxr_linenumber" name="L300" href="#L300">300</a> -<a class="jxr_linenumber" name="L301" href="#L301">301</a> <em class="jxr_comment">// Save and serialize.</em> -<a class="jxr_linenumber" name="L302" href="#L302">302</a> <strong class="jxr_keyword">final</strong> RandomSource.State stateOrig = RandomSource.saveState(generator); -<a class="jxr_linenumber" name="L303" href="#L303">303</a> ByteArrayOutputStream bos = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream(); -<a class="jxr_linenumber" name="L304" href="#L304">304</a> ObjectOutputStream oos = <strong class="jxr_keyword">new</strong> ObjectOutputStream(bos); -<a class="jxr_linenumber" name="L305" href="#L305">305</a> oos.writeObject(stateOrig.getState()); -<a class="jxr_linenumber" name="L306" href="#L306">306</a> -<a class="jxr_linenumber" name="L307" href="#L307">307</a> <em class="jxr_comment">// Store some values.</em> -<a class="jxr_linenumber" name="L308" href="#L308">308</a> <strong class="jxr_keyword">final</strong> List<Number> listOrig = makeList(n); -<a class="jxr_linenumber" name="L309" href="#L309">309</a> -<a class="jxr_linenumber" name="L310" href="#L310">310</a> <em class="jxr_comment">// Discard a few more.</em> -<a class="jxr_linenumber" name="L311" href="#L311">311</a> <strong class="jxr_keyword">final</strong> List<Number> listDiscard = makeList(n); -<a class="jxr_linenumber" name="L312" href="#L312">312</a> Assert.assertTrue(listDiscard.size() != 0); -<a class="jxr_linenumber" name="L313" href="#L313">313</a> Assert.assertFalse(listOrig.equals(listDiscard)); -<a class="jxr_linenumber" name="L314" href="#L314">314</a> -<a class="jxr_linenumber" name="L315" href="#L315">315</a> <em class="jxr_comment">// Retrieve from serialized stream.</em> -<a class="jxr_linenumber" name="L316" href="#L316">316</a> ByteArrayInputStream bis = <strong class="jxr_keyword">new</strong> ByteArrayInputStream(bos.toByteArray()); -<a class="jxr_linenumber" name="L317" href="#L317">317</a> ObjectInputStream ois = <strong class="jxr_keyword">new</strong> ObjectInputStream(bis); -<a class="jxr_linenumber" name="L318" href="#L318">318</a> <strong class="jxr_keyword">final</strong> RandomSource.State stateNew = <strong class="jxr_keyword">new</strong> RandomSource.State((byte[]) ois.readObject()); +<a class="jxr_linenumber" name="L253" href="#L253">253</a> <strong class="jxr_keyword">final</strong> Object[] seeds = <strong class="jxr_keyword">new</strong> Object[] { <strong class="jxr_keyword">null</strong>, +<a class="jxr_linenumber" name="L254" href="#L254">254</a> intSeed, +<a class="jxr_linenumber" name="L255" href="#L255">255</a> longSeed, +<a class="jxr_linenumber" name="L256" href="#L256">256</a> intArraySeed, +<a class="jxr_linenumber" name="L257" href="#L257">257</a> longArraySeed, +<a class="jxr_linenumber" name="L258" href="#L258">258</a> byteArraySeed }; +<a class="jxr_linenumber" name="L259" href="#L259">259</a> +<a class="jxr_linenumber" name="L260" href="#L260">260</a> <strong class="jxr_keyword">int</strong> nonNativeSeedCount = 0; +<a class="jxr_linenumber" name="L261" href="#L261">261</a> <strong class="jxr_keyword">int</strong> seedCount = 0; +<a class="jxr_linenumber" name="L262" href="#L262">262</a> <strong class="jxr_keyword">for</strong> (Object s : seeds) { +<a class="jxr_linenumber" name="L263" href="#L263">263</a> ++seedCount; +<a class="jxr_linenumber" name="L264" href="#L264">264</a> <strong class="jxr_keyword">if</strong> (!(originalSource.isNativeSeed(s))) { +<a class="jxr_linenumber" name="L265" href="#L265">265</a> ++nonNativeSeedCount; +<a class="jxr_linenumber" name="L266" href="#L266">266</a> } +<a class="jxr_linenumber" name="L267" href="#L267">267</a> +<a class="jxr_linenumber" name="L268" href="#L268">268</a> Assert.assertNotEquals(intSeed, originalSeed); +<a class="jxr_linenumber" name="L269" href="#L269">269</a> RandomSource.create(originalSource, s, originalArgs); +<a class="jxr_linenumber" name="L270" href="#L270">270</a> } +<a class="jxr_linenumber" name="L271" href="#L271">271</a> +<a class="jxr_linenumber" name="L272" href="#L272">272</a> Assert.assertEquals(6, seedCount); +<a class="jxr_linenumber" name="L273" href="#L273">273</a> Assert.assertEquals(5, nonNativeSeedCount); +<a class="jxr_linenumber" name="L274" href="#L274">274</a> } +<a class="jxr_linenumber" name="L275" href="#L275">275</a> +<a class="jxr_linenumber" name="L276" href="#L276">276</a> @Test +<a class="jxr_linenumber" name="L277" href="#L277">277</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testEmptyIntArraySeed() { +<a class="jxr_linenumber" name="L278" href="#L278">278</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[0]; +<a class="jxr_linenumber" name="L279" href="#L279">279</a> Assume.assumeTrue(originalSource.isNativeSeed(empty)); +<a class="jxr_linenumber" name="L280" href="#L280">280</a> +<a class="jxr_linenumber" name="L281" href="#L281">281</a> <em class="jxr_comment">// Exercise the default seeding procedure.</em> +<a class="jxr_linenumber" name="L282" href="#L282">282</a> <strong class="jxr_keyword">final</strong> UniformRandomProvider rng = RandomSource.create(originalSource, empty, originalArgs); +<a class="jxr_linenumber" name="L283" href="#L283">283</a> checkNextIntegerInRange(rng, 10, 10000); +<a class="jxr_linenumber" name="L284" href="#L284">284</a> } +<a class="jxr_linenumber" name="L285" href="#L285">285</a> +<a class="jxr_linenumber" name="L286" href="#L286">286</a> @Test +<a class="jxr_linenumber" name="L287" href="#L287">287</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testEmptyLongArraySeed() { +<a class="jxr_linenumber" name="L288" href="#L288">288</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[0]; +<a class="jxr_linenumber" name="L289" href="#L289">289</a> Assume.assumeTrue(originalSource.isNativeSeed(empty)); +<a class="jxr_linenumber" name="L290" href="#L290">290</a> +<a class="jxr_linenumber" name="L291" href="#L291">291</a> <em class="jxr_comment">// Exercise the default seeding procedure.</em> +<a class="jxr_linenumber" name="L292" href="#L292">292</a> <strong class="jxr_keyword">final</strong> UniformRandomProvider rng = RandomSource.create(originalSource, empty, originalArgs); +<a class="jxr_linenumber" name="L293" href="#L293">293</a> checkNextIntegerInRange(rng, 10, 10000); +<a class="jxr_linenumber" name="L294" href="#L294">294</a> } +<a class="jxr_linenumber" name="L295" href="#L295">295</a> +<a class="jxr_linenumber" name="L296" href="#L296">296</a> @Ignore@Test +<a class="jxr_linenumber" name="L297" href="#L297">297</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testZeroIntArraySeed() { +<a class="jxr_linenumber" name="L298" href="#L298">298</a> <em class="jxr_comment">// Exercise capacity to escape all "zero" state.</em> +<a class="jxr_linenumber" name="L299" href="#L299">299</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] zero = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[2000]; <em class="jxr_comment">// Large enough to fill the entire state with zeroes.</em> +<a class="jxr_linenumber" name="L300" href="#L300">300</a> <strong class="jxr_keyword">final</strong> UniformRandomProvider rng = RandomSource.create(originalSource, zero, originalArgs); +<a class="jxr_linenumber" name="L301" href="#L301">301</a> checkNextIntegerInRange(rng, 10, 10000); +<a class="jxr_linenumber" name="L302" href="#L302">302</a> } +<a class="jxr_linenumber" name="L303" href="#L303">303</a> +<a class="jxr_linenumber" name="L304" href="#L304">304</a> @Ignore@Test +<a class="jxr_linenumber" name="L305" href="#L305">305</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testZeroLongArraySeed() { +<a class="jxr_linenumber" name="L306" href="#L306">306</a> <em class="jxr_comment">// Exercise capacity to escape all "zero" state.</em> +<a class="jxr_linenumber" name="L307" href="#L307">307</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] zero = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[2000]; <em class="jxr_comment">// Large enough to fill the entire state with zeroes.</em> +<a class="jxr_linenumber" name="L308" href="#L308">308</a> <strong class="jxr_keyword">final</strong> UniformRandomProvider rng = RandomSource.create(originalSource, zero, originalArgs); +<a class="jxr_linenumber" name="L309" href="#L309">309</a> checkNextIntegerInRange(rng, 10, 10000); +<a class="jxr_linenumber" name="L310" href="#L310">310</a> } +<a class="jxr_linenumber" name="L311" href="#L311">311</a> +<a class="jxr_linenumber" name="L312" href="#L312">312</a> <em class="jxr_comment">// State save and restore tests.</em> +<a class="jxr_linenumber" name="L313" href="#L313">313</a> +<a class="jxr_linenumber" name="L314" href="#L314">314</a> @Test +<a class="jxr_linenumber" name="L315" href="#L315">315</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testStateSettable() { +<a class="jxr_linenumber" name="L316" href="#L316">316</a> <em class="jxr_comment">// Should be fairly large in order to ensure that all the internal</em> +<a class="jxr_linenumber" name="L317" href="#L317">317</a> <em class="jxr_comment">// state is away from its initial settings.</em> +<a class="jxr_linenumber" name="L318" href="#L318">318</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> n = 10000; <a class="jxr_linenumber" name="L319" href="#L319">319</a> -<a class="jxr_linenumber" name="L320" href="#L320">320</a> Assert.assertTrue(stateOrig != stateNew); -<a class="jxr_linenumber" name="L321" href="#L321">321</a> -<a class="jxr_linenumber" name="L322" href="#L322">322</a> <em class="jxr_comment">// Reset.</em> -<a class="jxr_linenumber" name="L323" href="#L323">323</a> RandomSource.restoreState(generator, stateNew); -<a class="jxr_linenumber" name="L324" href="#L324">324</a> -<a class="jxr_linenumber" name="L325" href="#L325">325</a> <em class="jxr_comment">// Replay.</em> -<a class="jxr_linenumber" name="L326" href="#L326">326</a> <strong class="jxr_keyword">final</strong> List<Number> listReplay = makeList(n); -<a class="jxr_linenumber" name="L327" href="#L327">327</a> Assert.assertFalse(listOrig == listReplay); -<a class="jxr_linenumber" name="L328" href="#L328">328</a> -<a class="jxr_linenumber" name="L329" href="#L329">329</a> <em class="jxr_comment">// Check that the serialized data recreated the orginal state.</em> -<a class="jxr_linenumber" name="L330" href="#L330">330</a> Assert.assertTrue(listOrig.equals(listReplay)); -<a class="jxr_linenumber" name="L331" href="#L331">331</a> } -<a class="jxr_linenumber" name="L332" href="#L332">332</a> -<a class="jxr_linenumber" name="L333" href="#L333">333</a> @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="L334" href="#L334">334</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testStateWrongSize() { -<a class="jxr_linenumber" name="L335" href="#L335">335</a> <em class="jxr_comment">// We don't know what is the state of "java.lang.Random": skipping.</em> -<a class="jxr_linenumber" name="L336" href="#L336">336</a> Assume.assumeTrue(generator.toString().indexOf(<span class="jxr_string">"JDKRandom"</span>) == -1); -<a class="jxr_linenumber" name="L337" href="#L337">337</a> -<a class="jxr_linenumber" name="L338" href="#L338">338</a> <strong class="jxr_keyword">final</strong> RandomSource.State state = RandomSource.saveState(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/commons/rng/ProvidersCommonParametricTest.html">DummyGenerator</a>()); -<a class="jxr_linenumber" name="L339" href="#L339">339</a> <em class="jxr_comment">// Try to restore with an invalid state (wrong size).</em> -<a class="jxr_linenumber" name="L340" href="#L340">340</a> RandomSource.restoreState(generator, state); -<a class="jxr_linenumber" name="L341" href="#L341">341</a> } -<a class="jxr_linenumber" name="L342" href="#L342">342</a> -<a class="jxr_linenumber" name="L343" href="#L343">343</a> <em class="jxr_comment">///// Support methods below.</em> -<a class="jxr_linenumber" name="L344" href="#L344">344</a> -<a class="jxr_linenumber" name="L345" href="#L345">345</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L346" href="#L346">346</a> <em class="jxr_javadoccomment"> * Populates a list with random numbers.</em> -<a class="jxr_linenumber" name="L347" href="#L347">347</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L348" href="#L348">348</a> <em class="jxr_javadoccomment"> * @param n Loop counter.</em> -<a class="jxr_linenumber" name="L349" href="#L349">349</a> <em class="jxr_javadoccomment"> * @return a list containing {@code 11 * n} random numbers.</em> -<a class="jxr_linenumber" name="L350" href="#L350">350</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L351" href="#L351">351</a> <strong class="jxr_keyword">private</strong> List<Number> makeList(<strong class="jxr_keyword">int</strong> n) { -<a class="jxr_linenumber" name="L352" href="#L352">352</a> <strong class="jxr_keyword">final</strong> List<Number> list = <strong class="jxr_keyword">new</strong> ArrayList<Number>(); -<a class="jxr_linenumber" name="L353" href="#L353">353</a> -<a class="jxr_linenumber" name="L354" href="#L354">354</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < n; i++) { -<a class="jxr_linenumber" name="L355" href="#L355">355</a> <em class="jxr_comment">// Append 11 values.</em> -<a class="jxr_linenumber" name="L356" href="#L356">356</a> list.add(generator.nextInt()); -<a class="jxr_linenumber" name="L357" href="#L357">357</a> list.add(generator.nextInt(21)); -<a class="jxr_linenumber" name="L358" href="#L358">358</a> list.add(generator.nextInt(436)); -<a class="jxr_linenumber" name="L359" href="#L359">359</a> list.add(generator.nextLong()); -<a class="jxr_linenumber" name="L360" href="#L360">360</a> list.add(generator.nextLong(157894)); -<a class="jxr_linenumber" name="L361" href="#L361">361</a> list.add(generator.nextLong(5745833)); -<a class="jxr_linenumber" name="L362" href="#L362">362</a> list.add(generator.nextFloat()); -<a class="jxr_linenumber" name="L363" href="#L363">363</a> list.add(generator.nextFloat()); -<a class="jxr_linenumber" name="L364" href="#L364">364</a> list.add(generator.nextDouble()); -<a class="jxr_linenumber" name="L365" href="#L365">365</a> list.add(generator.nextDouble()); -<a class="jxr_linenumber" name="L366" href="#L366">366</a> list.add(generator.nextDouble()); -<a class="jxr_linenumber" name="L367" href="#L367">367</a> } -<a class="jxr_linenumber" name="L368" href="#L368">368</a> -<a class="jxr_linenumber" name="L369" href="#L369">369</a> <strong class="jxr_keyword">return</strong> list; -<a class="jxr_linenumber" name="L370" href="#L370">370</a> } +<a class="jxr_linenumber" name="L320" href="#L320">320</a> <em class="jxr_comment">// Save.</em> +<a class="jxr_linenumber" name="L321" href="#L321">321</a> <strong class="jxr_keyword">final</strong> RandomSource.State state = RandomSource.saveState(generator); +<a class="jxr_linenumber" name="L322" href="#L322">322</a> <em class="jxr_comment">// Store some values.</em> +<a class="jxr_linenumber" name="L323" href="#L323">323</a> <strong class="jxr_keyword">final</strong> List<Number> listOrig = makeList(n); +<a class="jxr_linenumber" name="L324" href="#L324">324</a> <em class="jxr_comment">// Discard a few more.</em> +<a class="jxr_linenumber" name="L325" href="#L325">325</a> <strong class="jxr_keyword">final</strong> List<Number> listDiscard = makeList(n); +<a class="jxr_linenumber" name="L326" href="#L326">326</a> Assert.assertTrue(listDiscard.size() != 0); +<a class="jxr_linenumber" name="L327" href="#L327">327</a> Assert.assertFalse(listOrig.equals(listDiscard)); +<a class="jxr_linenumber" name="L328" href="#L328">328</a> <em class="jxr_comment">// Reset.</em> +<a class="jxr_linenumber" name="L329" href="#L329">329</a> RandomSource.restoreState(generator, state); +<a class="jxr_linenumber" name="L330" href="#L330">330</a> <em class="jxr_comment">// Replay.</em> +<a class="jxr_linenumber" name="L331" href="#L331">331</a> <strong class="jxr_keyword">final</strong> List<Number> listReplay = makeList(n); +<a class="jxr_linenumber" name="L332" href="#L332">332</a> Assert.assertFalse(listOrig == listReplay); +<a class="jxr_linenumber" name="L333" href="#L333">333</a> <em class="jxr_comment">// Check that the restored state is the same as the orginal.</em> +<a class="jxr_linenumber" name="L334" href="#L334">334</a> Assert.assertTrue(listOrig.equals(listReplay)); +<a class="jxr_linenumber" name="L335" href="#L335">335</a> } +<a class="jxr_linenumber" name="L336" href="#L336">336</a> +<a class="jxr_linenumber" name="L337" href="#L337">337</a> @Test +<a class="jxr_linenumber" name="L338" href="#L338">338</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSerializingState() +<a class="jxr_linenumber" name="L339" href="#L339">339</a> <strong class="jxr_keyword">throws</strong> IOException, +<a class="jxr_linenumber" name="L340" href="#L340">340</a> ClassNotFoundException { +<a class="jxr_linenumber" name="L341" href="#L341">341</a> <em class="jxr_comment">// Large "n" is not necessary here as we only test the serialization.</em> +<a class="jxr_linenumber" name="L342" href="#L342">342</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> n = 100; +<a class="jxr_linenumber" name="L343" href="#L343">343</a> +<a class="jxr_linenumber" name="L344" href="#L344">344</a> <em class="jxr_comment">// Save and serialize.</em> +<a class="jxr_linenumber" name="L345" href="#L345">345</a> <strong class="jxr_keyword">final</strong> RandomSource.State stateOrig = RandomSource.saveState(generator); +<a class="jxr_linenumber" name="L346" href="#L346">346</a> ByteArrayOutputStream bos = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream(); +<a class="jxr_linenumber" name="L347" href="#L347">347</a> ObjectOutputStream oos = <strong class="jxr_keyword">new</strong> ObjectOutputStream(bos); +<a class="jxr_linenumber" name="L348" href="#L348">348</a> oos.writeObject(stateOrig.getState()); +<a class="jxr_linenumber" name="L349" href="#L349">349</a> +<a class="jxr_linenumber" name="L350" href="#L350">350</a> <em class="jxr_comment">// Store some values.</em> +<a class="jxr_linenumber" name="L351" href="#L351">351</a> <strong class="jxr_keyword">final</strong> List<Number> listOrig = makeList(n); +<a class="jxr_linenumber" name="L352" href="#L352">352</a> +<a class="jxr_linenumber" name="L353" href="#L353">353</a> <em class="jxr_comment">// Discard a few more.</em> +<a class="jxr_linenumber" name="L354" href="#L354">354</a> <strong class="jxr_keyword">final</strong> List<Number> listDiscard = makeList(n); +<a class="jxr_linenumber" name="L355" href="#L355">355</a> Assert.assertTrue(listDiscard.size() != 0); +<a class="jxr_linenumber" name="L356" href="#L356">356</a> Assert.assertFalse(listOrig.equals(listDiscard)); +<a class="jxr_linenumber" name="L357" href="#L357">357</a> +<a class="jxr_linenumber" name="L358" href="#L358">358</a> <em class="jxr_comment">// Retrieve from serialized stream.</em> +<a class="jxr_linenumber" name="L359" href="#L359">359</a> ByteArrayInputStream bis = <strong class="jxr_keyword">new</strong> ByteArrayInputStream(bos.toByteArray()); +<a class="jxr_linenumber" name="L360" href="#L360">360</a> ObjectInputStream ois = <strong class="jxr_keyword">new</strong> ObjectInputStream(bis); +<a class="jxr_linenumber" name="L361" href="#L361">361</a> <strong class="jxr_keyword">final</strong> RandomSource.State stateNew = <strong class="jxr_keyword">new</strong> RandomSource.State((byte[]) ois.readObject()); +<a class="jxr_linenumber" name="L362" href="#L362">362</a> +<a class="jxr_linenumber" name="L363" href="#L363">363</a> Assert.assertTrue(stateOrig != stateNew); +<a class="jxr_linenumber" name="L364" href="#L364">364</a> +<a class="jxr_linenumber" name="L365" href="#L365">365</a> <em class="jxr_comment">// Reset.</em> +<a class="jxr_linenumber" name="L366" href="#L366">366</a> RandomSource.restoreState(generator, stateNew); +<a class="jxr_linenumber" name="L367" href="#L367">367</a> +<a class="jxr_linenumber" name="L368" href="#L368">368</a> <em class="jxr_comment">// Replay.</em> +<a class="jxr_linenumber" name="L369" href="#L369">369</a> <strong class="jxr_keyword">final</strong> List<Number> listReplay = makeList(n); +<a class="jxr_linenumber" name="L370" href="#L370">370</a> Assert.assertFalse(listOrig == listReplay); <a class="jxr_linenumber" name="L371" href="#L371">371</a> -<a class="jxr_linenumber" name="L372" href="#L372">372</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="L373" href="#L373">373</a> <em class="jxr_javadoccomment"> * Checks that the generator values can be placed into 256 bins with</em> -<a class="jxr_linenumber" name="L374" href="#L374">374</a> <em class="jxr_javadoccomment"> * approximately equal number of counts.</em> -<a class="jxr_linenumber" name="L375" href="#L375">375</a> <em class="jxr_javadoccomment"> * Test allows to select only part of the buffer for performing the</em> -<a class="jxr_linenumber" name="L376" href="#L376">376</a> <em class="jxr_javadoccomment"> * statistics.</em> -<a class="jxr_linenumber" name="L377" href="#L377">377</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="L378" href="#L378">378</a> <em class="jxr_javadoccomment"> * @param buffer Buffer to be filled.</em> -<a class="jxr_linenumber" name="L379" href="#L379">379</a> <em class="jxr_javadoccomment"> * @param first First element (included) of {@code buffer} range for</em> -<a class="jxr_linenumber" name="L380" href="#L380">380</a> <em class="jxr_javadoccomment"> * which statistics must be taken into account.</em> -<a class="jxr_linenumber" name="L381" href="#L381">381</a> <em class="jxr_javadoccomment"> * @param last Last element (excluded) of {@code buffer} range for</em> -<a class="jxr_linenumber" name="L382" href="#L382">382</a> <em class="jxr_javadoccomment"> * which statistics must be taken into account.</em> -<a class="jxr_linenumber" name="L383" href="#L383">383</a> <em class="jxr_javadoccomment"> * @param nextMethod Method that fills the given {@code buffer}.</em> -<a class="jxr_linenumber" name="L384" href="#L384">384</a> <em class="jxr_javadoccomment"> * @return {@code true} if the distribution is uniform.</em> -<a class="jxr_linenumber" name="L385" href="#L385">385</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="L386" href="#L386">386</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isUniformNextBytes(byte[] buffer, -<a class="jxr_linenumber" name="L387" href="#L387">387</a> <strong class="jxr_keyword">int</strong> first, -<a class="jxr_linenumber" name="L388" href="#L388">388</a> <strong class="jxr_keyword">int</strong> last, -<a class="jxr_linenumber" name="L389" href="#L389">389</a> Runnable nextMethod) { -<a class="jxr_linenumber" name="L390" href="#L390">390</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> sampleSize = 10000; -<a class="jxr_linenumber" name="L391" href="#L391">391</a> -<a class="jxr_linenumber" name="L392" href="#L392">392</a> <em class="jxr_comment">// Number of possible values (do not change).</em> -<a class="jxr_linenumber" name="L393" href="#L393">393</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> byteRange = 256; -<a class="jxr_linenumber" name="L394" href="#L394">394</a> <em class="jxr_comment">// Chi-square critical value with 256 degrees of freedom</em> -<a class="jxr_linenumber" name="L395" href="#L395">395</a> <em class="jxr_comment">// and 1% significance level.</em> -<a class="jxr_linenumber" name="L396" href="#L396">396</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> chi2CriticalValue = 311.560343; -<a class="jxr_linenumber" name="L397" href="#L397">397</a> <em class="jxr_comment">// To transform a byte value into its bin index.</em> -<a class="jxr_linenumber" name="L398" href="#L398">398</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> byteRangeOffset = 128; -<a class="jxr_linenumber" name="L399" href="#L399">399</a> -<a class="jxr_linenumber" name="L400" href="#L400">400</a> <em class="jxr_comment">// Bins.</em> -<a class="jxr_linenumber" name="L401" href="#L401">401</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="L402" href="#L402">402</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="L403" href="#L403">403</a> -<a class="jxr_linenumber" name="L404" href="#L404">404</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < byteRange; i++) { -<a class="jxr_linenumber" name="L405" href="#L405">405</a> expected[i] = sampleSize * (last - first) / (<strong class="jxr_keyword">double</strong>) byteRange; -<a class="jxr_linenumber" name="L406" href="#L406">406</a> } +<a class="jxr_linenumber" name="L372" href="#L372">372</a> <em class="jxr_comment">// Check that the serialized data recreated the orginal state.</em> +<a class="jxr_linenumber" name="L373" href="#L373">373</a> Assert.assertTrue(listOrig.equals(listReplay)); +<a class="jxr_linenumber" name="L374" href="#L374">374</a> } +<a class="jxr_linenumber" name="L375" href="#L375">375</a> +<a class="jxr_linenumber" name="L376" href="#L376">376</a> @Test(expected=IllegalArgumentException.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L377" href="#L377">377</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testStateWrongSize() { +<a class="jxr_linenumber" name="L378" href="#L378">378</a> <em class="jxr_comment">// We don't know what is the state of "java.lang.Random": skipping.</em> +<a class="jxr_linenumber" name="L379" href="#L379">379</a> Assume.assumeTrue(generator.toString().indexOf(<span class="jxr_string">"JDKRandom"</span>) == -1); +<a class="jxr_linenumber" name="L380" href="#L380">380</a> +<a class="jxr_linenumber" name="L381" href="#L381">381</a> <strong class="jxr_keyword">final</strong> RandomSource.State state = RandomSource.saveState(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/commons/rng/ProvidersCommonParametricTest.html">DummyGenerator</a>()); +<a class="jxr_linenumber" name="L382" href="#L382">382</a> <em class="jxr_comment">// Try to restore with an invalid state (wrong size).</em> +<a class="jxr_linenumber" name="L383" href="#L383">383</a> RandomSource.restoreState(generator, state); +<a class="jxr_linenumber" name="L384" href="#L384">384</a> } +<a class="jxr_linenumber" name="L385" href="#L385">385</a> +<a class="jxr_linenumber" name="L386" href="#L386">386</a> @Test(expected=UnsupportedOperationException.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L387" href="#L387">387</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSaveStateWrongClass() { +<a class="jxr_linenumber" name="L388" href="#L388">388</a> RandomSource.saveState(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/commons/rng/ProvidersCommonParametricTest.html">ForeignDummyGenerator</a>()); +<a class="jxr_linenumber" name="L389" href="#L389">389</a> } +<a class="jxr_linenumber" name="L390" href="#L390">390</a> +<a class="jxr_linenumber" name="L391" href="#L391">391</a> @Test(expected=UnsupportedOperationException.<strong class="jxr_keyword">class</strong>) +<a class="jxr_linenumber" name="L392" href="#L392">392</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testRestoreStateWrongClass() { +<a class="jxr_linenumber" name="L393" href="#L393">393</a> RandomSource.restoreState(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/commons/rng/ProvidersCommonParametricTest.html">ForeignDummyGenerator</a>(), +<a class="jxr_linenumber" name="L394" href="#L394">394</a> <strong class="jxr_keyword">new</strong> RandomSource.State(<strong class="jxr_keyword">new</strong> byte[0])); +<a class="jxr_linenumber" name="L395" href="#L395">395</a> } +<a class="jxr_linenumber" name="L396" href="#L396">396</a> +<a class="jxr_linenumber" name="L397" href="#L397">397</a> <em class="jxr_comment">///// Support methods below.</em> +<a class="jxr_linenumber" name="L398" href="#L398">398</a> +<a class="jxr_linenumber" name="L399" href="#L399">399</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L400" href="#L400">400</a> <em class="jxr_javadoccomment"> * Populates a list with random numbers.</em> +<a class="jxr_linenumber" name="L401" href="#L401">401</a> <em class="jxr_javadoccomment"> *</em>
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