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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.regionserver;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.junit.Assert.assertFalse;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.junit.Assert.assertNotNull;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.junit.Assert.assertNull;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import static org.junit.Assert.assertSame;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import static org.junit.Assert.assertTrue;<a name="line.24"></a>
<span class="sourceLineNo">025</span><a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.io.InterruptedIOException;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.Optional;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.concurrent.CountDownLatch;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.Cell.Type;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.CellBuilderFactory;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.CellBuilderType;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.TableName;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Put;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.Table;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.coprocessor.RegionObserver;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.testclassification.CoprocessorTests;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.junit.After;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.junit.AfterClass;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.junit.Before;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.junit.BeforeClass;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.junit.ClassRule;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.junit.Test;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import org.junit.experimental.categories.Category;<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
<span class="sourceLineNo">056</span>/**<a name="line.56"></a>
<span class="sourceLineNo">057</span> * Confirm that the function of FlushLifeCycleTracker is OK as we do not use it in our own code.<a name="line.57"></a>
<span class="sourceLineNo">058</span> */<a name="line.58"></a>
<span class="sourceLineNo">059</span>@Category({ CoprocessorTests.class, MediumTests.class })<a name="line.59"></a>
<span class="sourceLineNo">060</span>public class TestFlushLifeCycleTracker {<a name="line.60"></a>
<span class="sourceLineNo">061</span><a name="line.61"></a>
<span class="sourceLineNo">062</span> @ClassRule<a name="line.62"></a>
<span class="sourceLineNo">063</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.63"></a>
<span class="sourceLineNo">064</span> HBaseClassTestRule.forClass(TestFlushLifeCycleTracker.class);<a name="line.64"></a>
<span class="sourceLineNo">065</span><a name="line.65"></a>
<span class="sourceLineNo">066</span> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();<a name="line.66"></a>
<span class="sourceLineNo">067</span><a name="line.67"></a>
<span class="sourceLineNo">068</span> private static final TableName NAME =<a name="line.68"></a>
<span class="sourceLineNo">069</span> TableName.valueOf(TestFlushLifeCycleTracker.class.getSimpleName());<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
<span class="sourceLineNo">071</span> private static final byte[] CF = Bytes.toBytes("CF");<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> private static final byte[] QUALIFIER = Bytes.toBytes("CQ");<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span> private HRegion region;<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span> private static FlushLifeCycleTracker TRACKER;<a name="line.77"></a>
<span class="sourceLineNo">078</span><a name="line.78"></a>
<span class="sourceLineNo">079</span> private static volatile CountDownLatch ARRIVE;<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span> private static volatile CountDownLatch BLOCK;<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
<span class="sourceLineNo">083</span> public static final class FlushObserver implements RegionObserver, RegionCoprocessor {<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span> @Override<a name="line.85"></a>
<span class="sourceLineNo">086</span> public Optional&lt;RegionObserver&gt; getRegionObserver() {<a name="line.86"></a>
<span class="sourceLineNo">087</span> return Optional.of(this);<a name="line.87"></a>
<span class="sourceLineNo">088</span> }<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span> @Override<a name="line.90"></a>
<span class="sourceLineNo">091</span> public void preFlush(ObserverContext&lt;RegionCoprocessorEnvironment&gt; c,<a name="line.91"></a>
<span class="sourceLineNo">092</span> FlushLifeCycleTracker tracker) throws IOException {<a name="line.92"></a>
<span class="sourceLineNo">093</span> if (TRACKER != null) {<a name="line.93"></a>
<span class="sourceLineNo">094</span> assertSame(tracker, TRACKER);<a name="line.94"></a>
<span class="sourceLineNo">095</span> }<a name="line.95"></a>
<span class="sourceLineNo">096</span> }<a name="line.96"></a>
<span class="sourceLineNo">097</span><a name="line.97"></a>
<span class="sourceLineNo">098</span> @Override<a name="line.98"></a>
<span class="sourceLineNo">099</span> public InternalScanner preFlush(ObserverContext&lt;RegionCoprocessorEnvironment&gt; c, Store store,<a name="line.99"></a>
<span class="sourceLineNo">100</span> InternalScanner scanner, FlushLifeCycleTracker tracker) throws IOException {<a name="line.100"></a>
<span class="sourceLineNo">101</span> if (TRACKER != null) {<a name="line.101"></a>
<span class="sourceLineNo">102</span> assertSame(tracker, TRACKER);<a name="line.102"></a>
<span class="sourceLineNo">103</span> }<a name="line.103"></a>
<span class="sourceLineNo">104</span> return scanner;<a name="line.104"></a>
<span class="sourceLineNo">105</span> }<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> @Override<a name="line.107"></a>
<span class="sourceLineNo">108</span> public void postFlush(ObserverContext&lt;RegionCoprocessorEnvironment&gt; c,<a name="line.108"></a>
<span class="sourceLineNo">109</span> FlushLifeCycleTracker tracker) throws IOException {<a name="line.109"></a>
<span class="sourceLineNo">110</span> if (TRACKER != null) {<a name="line.110"></a>
<span class="sourceLineNo">111</span> assertSame(tracker, TRACKER);<a name="line.111"></a>
<span class="sourceLineNo">112</span> }<a name="line.112"></a>
<span class="sourceLineNo">113</span> }<a name="line.113"></a>
<span class="sourceLineNo">114</span><a name="line.114"></a>
<span class="sourceLineNo">115</span> @Override<a name="line.115"></a>
<span class="sourceLineNo">116</span> public void postFlush(ObserverContext&lt;RegionCoprocessorEnvironment&gt; c, Store store,<a name="line.116"></a>
<span class="sourceLineNo">117</span> StoreFile resultFile, FlushLifeCycleTracker tracker) throws IOException {<a name="line.117"></a>
<span class="sourceLineNo">118</span> if (TRACKER != null) {<a name="line.118"></a>
<span class="sourceLineNo">119</span> assertSame(tracker, TRACKER);<a name="line.119"></a>
<span class="sourceLineNo">120</span> }<a name="line.120"></a>
<span class="sourceLineNo">121</span> // inject here so we can make a flush request to fail because of we already have a flush<a name="line.121"></a>
<span class="sourceLineNo">122</span> // ongoing.<a name="line.122"></a>
<span class="sourceLineNo">123</span> CountDownLatch arrive = ARRIVE;<a name="line.123"></a>
<span class="sourceLineNo">124</span> if (arrive != null) {<a name="line.124"></a>
<span class="sourceLineNo">125</span> arrive.countDown();<a name="line.125"></a>
<span class="sourceLineNo">126</span> try {<a name="line.126"></a>
<span class="sourceLineNo">127</span> BLOCK.await();<a name="line.127"></a>
<span class="sourceLineNo">128</span> } catch (InterruptedException e) {<a name="line.128"></a>
<span class="sourceLineNo">129</span> throw new InterruptedIOException();<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span> }<a name="line.131"></a>
<span class="sourceLineNo">132</span> }<a name="line.132"></a>
<span class="sourceLineNo">133</span> }<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span> private static final class Tracker implements FlushLifeCycleTracker {<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span> private String reason;<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span> private boolean beforeExecutionCalled;<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span> private boolean afterExecutionCalled;<a name="line.141"></a>
<span class="sourceLineNo">142</span><a name="line.142"></a>
<span class="sourceLineNo">143</span> private boolean completed = false;<a name="line.143"></a>
<span class="sourceLineNo">144</span><a name="line.144"></a>
<span class="sourceLineNo">145</span> @Override<a name="line.145"></a>
<span class="sourceLineNo">146</span> public synchronized void notExecuted(String reason) {<a name="line.146"></a>
<span class="sourceLineNo">147</span> this.reason = reason;<a name="line.147"></a>
<span class="sourceLineNo">148</span> completed = true;<a name="line.148"></a>
<span class="sourceLineNo">149</span> notifyAll();<a name="line.149"></a>
<span class="sourceLineNo">150</span> }<a name="line.150"></a>
<span class="sourceLineNo">151</span><a name="line.151"></a>
<span class="sourceLineNo">152</span> @Override<a name="line.152"></a>
<span class="sourceLineNo">153</span> public void beforeExecution() {<a name="line.153"></a>
<span class="sourceLineNo">154</span> this.beforeExecutionCalled = true;<a name="line.154"></a>
<span class="sourceLineNo">155</span> }<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span> @Override<a name="line.157"></a>
<span class="sourceLineNo">158</span> public synchronized void afterExecution() {<a name="line.158"></a>
<span class="sourceLineNo">159</span> this.afterExecutionCalled = true;<a name="line.159"></a>
<span class="sourceLineNo">160</span> completed = true;<a name="line.160"></a>
<span class="sourceLineNo">161</span> notifyAll();<a name="line.161"></a>
<span class="sourceLineNo">162</span> }<a name="line.162"></a>
<span class="sourceLineNo">163</span><a name="line.163"></a>
<span class="sourceLineNo">164</span> public synchronized void await() throws InterruptedException {<a name="line.164"></a>
<span class="sourceLineNo">165</span> while (!completed) {<a name="line.165"></a>
<span class="sourceLineNo">166</span> wait();<a name="line.166"></a>
<span class="sourceLineNo">167</span> }<a name="line.167"></a>
<span class="sourceLineNo">168</span> }<a name="line.168"></a>
<span class="sourceLineNo">169</span> }<a name="line.169"></a>
<span class="sourceLineNo">170</span><a name="line.170"></a>
<span class="sourceLineNo">171</span> @BeforeClass<a name="line.171"></a>
<span class="sourceLineNo">172</span> public static void setUpBeforeClass() throws Exception {<a name="line.172"></a>
<span class="sourceLineNo">173</span> UTIL.startMiniCluster(3);<a name="line.173"></a>
<span class="sourceLineNo">174</span> }<a name="line.174"></a>
<span class="sourceLineNo">175</span><a name="line.175"></a>
<span class="sourceLineNo">176</span> @AfterClass<a name="line.176"></a>
<span class="sourceLineNo">177</span> public static void tearDownAfterClass() throws Exception {<a name="line.177"></a>
<span class="sourceLineNo">178</span> UTIL.shutdownMiniCluster();<a name="line.178"></a>
<span class="sourceLineNo">179</span> }<a name="line.179"></a>
<span class="sourceLineNo">180</span><a name="line.180"></a>
<span class="sourceLineNo">181</span> @Before<a name="line.181"></a>
<span class="sourceLineNo">182</span> public void setUp() throws IOException {<a name="line.182"></a>
<span class="sourceLineNo">183</span> UTIL.getAdmin()<a name="line.183"></a>
<span class="sourceLineNo">184</span> .createTable(TableDescriptorBuilder.newBuilder(NAME)<a name="line.184"></a>
<span class="sourceLineNo">185</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(CF))<a name="line.185"></a>
<span class="sourceLineNo">186</span> .setCoprocessor(FlushObserver.class.getName()).build());<a name="line.186"></a>
<span class="sourceLineNo">187</span> region = UTIL.getHBaseCluster().getRegions(NAME).get(0);<a name="line.187"></a>
<span class="sourceLineNo">188</span> }<a name="line.188"></a>
<span class="sourceLineNo">189</span><a name="line.189"></a>
<span class="sourceLineNo">190</span> @After<a name="line.190"></a>
<span class="sourceLineNo">191</span> public void tearDown() throws IOException {<a name="line.191"></a>
<span class="sourceLineNo">192</span> region = null;<a name="line.192"></a>
<span class="sourceLineNo">193</span> TRACKER = null;<a name="line.193"></a>
<span class="sourceLineNo">194</span> UTIL.deleteTable(NAME);<a name="line.194"></a>
<span class="sourceLineNo">195</span> }<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span> @Test<a name="line.197"></a>
<span class="sourceLineNo">198</span> public void test() throws IOException, InterruptedException {<a name="line.198"></a>
<span class="sourceLineNo">199</span> try (Table table = UTIL.getConnection().getTable(NAME)) {<a name="line.199"></a>
<span class="sourceLineNo">200</span> for (int i = 0; i &lt; 100; i++) {<a name="line.200"></a>
<span class="sourceLineNo">201</span> byte[] row = Bytes.toBytes(i);<a name="line.201"></a>
<span class="sourceLineNo">202</span> table.put(<a name="line.202"></a>
<span class="sourceLineNo">203</span> new Put(row, true).add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY).setRow(row)<a name="line.203"></a>
<span class="sourceLineNo">204</span> .setFamily(CF).setQualifier(QUALIFIER).setTimestamp(HConstants.LATEST_TIMESTAMP)<a name="line.204"></a>
<span class="sourceLineNo">205</span> .setType(Type.Put).setValue(Bytes.toBytes(i)).build()));<a name="line.205"></a>
<span class="sourceLineNo">206</span> }<a name="line.206"></a>
<span class="sourceLineNo">207</span> }<a name="line.207"></a>
<span class="sourceLineNo">208</span> Tracker tracker = new Tracker();<a name="line.208"></a>
<span class="sourceLineNo">209</span> TRACKER = tracker;<a name="line.209"></a>
<span class="sourceLineNo">210</span> region.requestFlush(tracker);<a name="line.210"></a>
<span class="sourceLineNo">211</span> tracker.await();<a name="line.211"></a>
<span class="sourceLineNo">212</span> assertNull(tracker.reason);<a name="line.212"></a>
<span class="sourceLineNo">213</span> assertTrue(tracker.beforeExecutionCalled);<a name="line.213"></a>
<span class="sourceLineNo">214</span> assertTrue(tracker.afterExecutionCalled);<a name="line.214"></a>
<span class="sourceLineNo">215</span><a name="line.215"></a>
<span class="sourceLineNo">216</span> // request flush on a region with empty memstore should still success<a name="line.216"></a>
<span class="sourceLineNo">217</span> tracker = new Tracker();<a name="line.217"></a>
<span class="sourceLineNo">218</span> TRACKER = tracker;<a name="line.218"></a>
<span class="sourceLineNo">219</span> region.requestFlush(tracker);<a name="line.219"></a>
<span class="sourceLineNo">220</span> tracker.await();<a name="line.220"></a>
<span class="sourceLineNo">221</span> assertNull(tracker.reason);<a name="line.221"></a>
<span class="sourceLineNo">222</span> assertTrue(tracker.beforeExecutionCalled);<a name="line.222"></a>
<span class="sourceLineNo">223</span> assertTrue(tracker.afterExecutionCalled);<a name="line.223"></a>
<span class="sourceLineNo">224</span> }<a name="line.224"></a>
<span class="sourceLineNo">225</span><a name="line.225"></a>
<span class="sourceLineNo">226</span> @Test<a name="line.226"></a>
<span class="sourceLineNo">227</span> public void testNotExecuted() throws IOException, InterruptedException {<a name="line.227"></a>
<span class="sourceLineNo">228</span> try (Table table = UTIL.getConnection().getTable(NAME)) {<a name="line.228"></a>
<span class="sourceLineNo">229</span> for (int i = 0; i &lt; 100; i++) {<a name="line.229"></a>
<span class="sourceLineNo">230</span> byte[] row = Bytes.toBytes(i);<a name="line.230"></a>
<span class="sourceLineNo">231</span> table.put(<a name="line.231"></a>
<span class="sourceLineNo">232</span> new Put(row, true).add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY).setRow(row)<a name="line.232"></a>
<span class="sourceLineNo">233</span> .setFamily(CF).setQualifier(QUALIFIER).setTimestamp(HConstants.LATEST_TIMESTAMP)<a name="line.233"></a>
<span class="sourceLineNo">234</span> .setType(Type.Put).setValue(Bytes.toBytes(i)).build()));<a name="line.234"></a>
<span class="sourceLineNo">235</span> }<a name="line.235"></a>
<span class="sourceLineNo">236</span> }<a name="line.236"></a>
<span class="sourceLineNo">237</span> // here we may have overlap when calling the CP hooks so we do not assert on TRACKER<a name="line.237"></a>
<span class="sourceLineNo">238</span> Tracker tracker1 = new Tracker();<a name="line.238"></a>
<span class="sourceLineNo">239</span> ARRIVE = new CountDownLatch(1);<a name="line.239"></a>
<span class="sourceLineNo">240</span> BLOCK = new CountDownLatch(1);<a name="line.240"></a>
<span class="sourceLineNo">241</span> region.requestFlush(tracker1);<a name="line.241"></a>
<span class="sourceLineNo">242</span> ARRIVE.await();<a name="line.242"></a>
<span class="sourceLineNo">243</span><a name="line.243"></a>
<span class="sourceLineNo">244</span> Tracker tracker2 = new Tracker();<a name="line.244"></a>
<span class="sourceLineNo">245</span> region.requestFlush(tracker2);<a name="line.245"></a>
<span class="sourceLineNo">246</span> tracker2.await();<a name="line.246"></a>
<span class="sourceLineNo">247</span> assertNotNull(tracker2.reason);<a name="line.247"></a>
<span class="sourceLineNo">248</span> assertFalse(tracker2.beforeExecutionCalled);<a name="line.248"></a>
<span class="sourceLineNo">249</span> assertFalse(tracker2.afterExecutionCalled);<a name="line.249"></a>
<span class="sourceLineNo">250</span><a name="line.250"></a>
<span class="sourceLineNo">251</span> BLOCK.countDown();<a name="line.251"></a>
<span class="sourceLineNo">252</span> tracker1.await();<a name="line.252"></a>
<span class="sourceLineNo">253</span> assertNull(tracker1.reason);<a name="line.253"></a>
<span class="sourceLineNo">254</span> assertTrue(tracker1.beforeExecutionCalled);<a name="line.254"></a>
<span class="sourceLineNo">255</span> assertTrue(tracker1.afterExecutionCalled);<a name="line.255"></a>
<span class="sourceLineNo">256</span> }<a name="line.256"></a>
<span class="sourceLineNo">257</span>}<a name="line.257"></a>
</pre>
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