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| <a name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em> |
| <a name="3" href="#3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em> |
| <a name="4" href="#4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em> |
| <a name="5" href="#5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em> |
| <a name="6" href="#6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em> |
| <a name="7" href="#7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em> |
| <a name="8" href="#8">8</a> <em class="jxr_comment"> * </em> |
| <a name="9" href="#9">9</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em> |
| <a name="10" href="#10">10</a> <em class="jxr_comment"> * </em> |
| <a name="11" href="#11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em> |
| <a name="12" href="#12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> |
| <a name="13" href="#13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> |
| <a name="14" href="#14">14</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em> |
| <a name="15" href="#15">15</a> <em class="jxr_comment"> * limitations under the License.</em> |
| <a name="16" href="#16">16</a> <em class="jxr_comment"> */</em> |
| <a name="17" href="#17">17</a> |
| <a name="18" href="#18">18</a> <em class="jxr_comment">//</em> |
| <a name="19" href="#19">19</a> <em class="jxr_comment">// Log4j uses the JUnit framework for internal unit testing. JUnit</em> |
| <a name="20" href="#20">20</a> <em class="jxr_comment">// available from</em> |
| <a name="21" href="#21">21</a> <em class="jxr_comment">//</em> |
| <a name="22" href="#22">22</a> <em class="jxr_comment">// http://www.junit.org</em> |
| <a name="23" href="#23">23</a> |
| <a name="24" href="#24">24</a> |
| <a name="25" href="#25">25</a> <strong class="jxr_keyword">package</strong> org.apache.log4j.helpers; |
| <a name="26" href="#26">26</a> |
| <a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.spi.LoggingEvent; |
| <a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger; |
| <a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.Level; |
| <a name="30" href="#30">30</a> |
| <a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> junit.framework.TestCase; |
| <a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> junit.framework.TestSuite; |
| <a name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> junit.framework.Test; |
| <a name="34" href="#34">34</a> |
| <a name="35" href="#35">35</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> Unit test the {@link CyclicBuffer}.</em> |
| <a name="37" href="#37">37</a> |
| <a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> @author Ceki G&uuml;lc&uuml;</em> |
| <a name="39" href="#39">39</a> |
| <a name="40" href="#40">40</a> <em class="jxr_javadoccomment">*/</em> |
| <a name="41" href="#41">41</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/log4j/helpers/CyclicBufferTestCase.html">CyclicBufferTestCase</a> <strong class="jxr_keyword">extends</strong> TestCase { |
| <a name="42" href="#42">42</a> |
| <a name="43" href="#43">43</a> <strong class="jxr_keyword">static</strong> Logger cat = Logger.getLogger(<span class="jxr_string">"x"</span>); |
| <a name="44" href="#44">44</a> |
| <a name="45" href="#45">45</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> MAX = 1000; |
| <a name="46" href="#46">46</a> |
| <a name="47" href="#47">47</a> <strong class="jxr_keyword">static</strong> LoggingEvent[] e = <strong class="jxr_keyword">new</strong> LoggingEvent[MAX]; |
| <a name="48" href="#48">48</a> |
| <a name="49" href="#49">49</a> { |
| <a name="50" href="#50">50</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < MAX; i++) { |
| <a name="51" href="#51">51</a> e[i] = <strong class="jxr_keyword">new</strong> LoggingEvent(<span class="jxr_string">""</span>, cat, Level.DEBUG, <span class="jxr_string">"e"</span>+i, <strong class="jxr_keyword">null</strong>); |
| <a name="52" href="#52">52</a> } |
| <a name="53" href="#53">53</a> } |
| <a name="54" href="#54">54</a> |
| <a name="55" href="#55">55</a> |
| <a name="56" href="#56">56</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/log4j/helpers/CyclicBufferTestCase.html">CyclicBufferTestCase</a>(String name) { |
| <a name="57" href="#57">57</a> <strong class="jxr_keyword">super</strong>(name); |
| <a name="58" href="#58">58</a> } |
| <a name="59" href="#59">59</a> |
| <a name="60" href="#60">60</a> |
| <a name="61" href="#61">61</a> <strong class="jxr_keyword">public</strong> |
| <a name="62" href="#62">62</a> <strong class="jxr_keyword">void</strong> setUp() { |
| <a name="63" href="#63">63</a> |
| <a name="64" href="#64">64</a> } |
| <a name="65" href="#65">65</a> |
| <a name="66" href="#66">66</a> |
| <a name="67" href="#67">67</a> <strong class="jxr_keyword">public</strong> |
| <a name="68" href="#68">68</a> <strong class="jxr_keyword">void</strong> test0() { |
| <a name="69" href="#69">69</a> <strong class="jxr_keyword">int</strong> size = 2; |
| <a name="70" href="#70">70</a> |
| <a name="71" href="#71">71</a> CyclicBuffer cb = <strong class="jxr_keyword">new</strong> CyclicBuffer(size); |
| <a name="72" href="#72">72</a> assertEquals(cb.getMaxSize(), size); |
| <a name="73" href="#73">73</a> |
| <a name="74" href="#74">74</a> cb.add(e[0]); |
| <a name="75" href="#75">75</a> assertEquals(cb.length(), 1); |
| <a name="76" href="#76">76</a> assertEquals(cb.get(), e[0]); assertEquals(cb.length(), 0); |
| <a name="77" href="#77">77</a> assertNull(cb.get()); assertEquals(cb.length(), 0); |
| <a name="78" href="#78">78</a> |
| <a name="79" href="#79">79</a> |
| <a name="80" href="#80">80</a> cb = <strong class="jxr_keyword">new</strong> CyclicBuffer(size); |
| <a name="81" href="#81">81</a> cb.add(e[0]); |
| <a name="82" href="#82">82</a> cb.add(e[1]); |
| <a name="83" href="#83">83</a> assertEquals(cb.length(), 2); |
| <a name="84" href="#84">84</a> assertEquals(cb.get(), e[0]); assertEquals(cb.length(), 1); |
| <a name="85" href="#85">85</a> assertEquals(cb.get(), e[1]); assertEquals(cb.length(), 0); |
| <a name="86" href="#86">86</a> assertNull(cb.get()); assertEquals(cb.length(), 0); |
| <a name="87" href="#87">87</a> |
| <a name="88" href="#88">88</a> |
| <a name="89" href="#89">89</a> } |
| <a name="90" href="#90">90</a> |
| <a name="91" href="#91">91</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="92" href="#92">92</a> <em class="jxr_javadoccomment"> Test a buffer of size 1,2,4,8,..,128</em> |
| <a name="93" href="#93">93</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="94" href="#94">94</a> <strong class="jxr_keyword">public</strong> |
| <a name="95" href="#95">95</a> <strong class="jxr_keyword">void</strong> test1() { |
| <a name="96" href="#96">96</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> bufSize = 1; bufSize <= 128; bufSize *=2) |
| <a name="97" href="#97">97</a> doTest1(bufSize); |
| <a name="98" href="#98">98</a> } |
| <a name="99" href="#99">99</a> |
| <a name="100" href="#100">100</a> <strong class="jxr_keyword">void</strong> doTest1(<strong class="jxr_keyword">int</strong> size) { |
| <a name="101" href="#101">101</a> <em class="jxr_comment">//System.out.println("Doing test with size = "+size);</em> |
| <a name="102" href="#102">102</a> CyclicBuffer cb = <strong class="jxr_keyword">new</strong> CyclicBuffer(size); |
| <a name="103" href="#103">103</a> |
| <a name="104" href="#104">104</a> assertEquals(cb.getMaxSize(), size); |
| <a name="105" href="#105">105</a> |
| <a name="106" href="#106">106</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> i = -(size+10); i < (size+10); i++) { |
| <a name="107" href="#107">107</a> assertNull(cb.get(i)); |
| <a name="108" href="#108">108</a> } |
| <a name="109" href="#109">109</a> |
| <a name="110" href="#110">110</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> i = 0; i < MAX; i++) { |
| <a name="111" href="#111">111</a> cb.add(e[i]); |
| <a name="112" href="#112">112</a> <strong class="jxr_keyword">int</strong> limit = i < size-1 ? i : size-1; |
| <a name="113" href="#113">113</a> |
| <a name="114" href="#114">114</a> <em class="jxr_comment">//System.out.println("\nLimit is " + limit + ", i="+i);</em> |
| <a name="115" href="#115">115</a> |
| <a name="116" href="#116">116</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> j = limit; j >= 0; j--) { |
| <a name="117" href="#117">117</a> <em class="jxr_comment">//System.out.println("i= "+i+", j="+j);</em> |
| <a name="118" href="#118">118</a> assertEquals(cb.get(j), e[i-(limit-j)]); |
| <a name="119" href="#119">119</a> } |
| <a name="120" href="#120">120</a> assertNull(cb.get(-1)); |
| <a name="121" href="#121">121</a> assertNull(cb.get(limit+1)); |
| <a name="122" href="#122">122</a> } |
| <a name="123" href="#123">123</a> } |
| <a name="124" href="#124">124</a> |
| <a name="125" href="#125">125</a> <strong class="jxr_keyword">public</strong> |
| <a name="126" href="#126">126</a> <strong class="jxr_keyword">void</strong> testResize() { |
| <a name="127" href="#127">127</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> isize = 1; isize <= 128; isize *=2) { |
| <a name="128" href="#128">128</a> doTestResize(isize, isize/2+1, isize/2+1); |
| <a name="129" href="#129">129</a> doTestResize(isize, isize/2+1, isize+10); |
| <a name="130" href="#130">130</a> doTestResize(isize, isize+10, isize/2+1); |
| <a name="131" href="#131">131</a> doTestResize(isize, isize+10, isize+10); |
| <a name="132" href="#132">132</a> } |
| <a name="133" href="#133">133</a> } |
| <a name="134" href="#134">134</a> |
| <a name="135" href="#135">135</a> <strong class="jxr_keyword">void</strong> doTestResize(<strong class="jxr_keyword">int</strong> initialSize, <strong class="jxr_keyword">int</strong> numberOfAdds, <strong class="jxr_keyword">int</strong> newSize) { |
| <a name="136" href="#136">136</a> <em class="jxr_comment">//System.out.println("initialSize = "+initialSize+", numberOfAdds="</em> |
| <a name="137" href="#137">137</a> <em class="jxr_comment">// +numberOfAdds+", newSize="+newSize);</em> |
| <a name="138" href="#138">138</a> CyclicBuffer cb = <strong class="jxr_keyword">new</strong> CyclicBuffer(initialSize); |
| <a name="139" href="#139">139</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> i = 0; i < numberOfAdds; i++) { |
| <a name="140" href="#140">140</a> cb.add(e[i]); |
| <a name="141" href="#141">141</a> } |
| <a name="142" href="#142">142</a> cb.resize(newSize); |
| <a name="143" href="#143">143</a> |
| <a name="144" href="#144">144</a> <strong class="jxr_keyword">int</strong> offset = numberOfAdds - initialSize; |
| <a name="145" href="#145">145</a> <strong class="jxr_keyword">if</strong>(offset< 0) |
| <a name="146" href="#146">146</a> offset = 0; |
| <a name="147" href="#147">147</a> |
| <a name="148" href="#148">148</a> <strong class="jxr_keyword">int</strong> len = newSize < numberOfAdds ? newSize : numberOfAdds; |
| <a name="149" href="#149">149</a> len = len < initialSize ? len : initialSize; |
| <a name="150" href="#150">150</a> <em class="jxr_comment">//System.out.println("Len = "+len+", offset="+offset);</em> |
| <a name="151" href="#151">151</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> j = 0; j < len; j++) { |
| <a name="152" href="#152">152</a> assertEquals(cb.get(j), e[offset+j]); |
| <a name="153" href="#153">153</a> } |
| <a name="154" href="#154">154</a> |
| <a name="155" href="#155">155</a> } |
| <a name="156" href="#156">156</a> |
| <a name="157" href="#157">157</a> |
| <a name="158" href="#158">158</a> <strong class="jxr_keyword">public</strong> |
| <a name="159" href="#159">159</a> <strong class="jxr_keyword">static</strong> |
| <a name="160" href="#160">160</a> Test suite() { |
| <a name="161" href="#161">161</a> TestSuite suite = <strong class="jxr_keyword">new</strong> TestSuite(); |
| <a name="162" href="#162">162</a> suite.addTest(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/helpers/CyclicBufferTestCase.html">CyclicBufferTestCase</a>(<span class="jxr_string">"test0"</span>)); |
| <a name="163" href="#163">163</a> suite.addTest(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/helpers/CyclicBufferTestCase.html">CyclicBufferTestCase</a>(<span class="jxr_string">"test1"</span>)); |
| <a name="164" href="#164">164</a> suite.addTest(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/helpers/CyclicBufferTestCase.html">CyclicBufferTestCase</a>(<span class="jxr_string">"testResize"</span>)); |
| <a name="165" href="#165">165</a> <strong class="jxr_keyword">return</strong> suite; |
| <a name="166" href="#166">166</a> } |
| <a name="167" href="#167">167</a> } |
| </pre> |
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