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<pre><span class="source-line-no">001</span><span id="line-1">/*</span>
<span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span>
<span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span>
<span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span>
<span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span>
<span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span>
<span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span>
<span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span>
<span class="source-line-no">009</span><span id="line-9"> *</span>
<span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="source-line-no">011</span><span id="line-11"> *</span>
<span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span>
<span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span>
<span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span>
<span class="source-line-no">017</span><span id="line-17"> */</span>
<span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase;</span>
<span class="source-line-no">019</span><span id="line-19"></span>
<span class="source-line-no">020</span><span id="line-20">import static org.junit.jupiter.api.Assertions.fail;</span>
<span class="source-line-no">021</span><span id="line-21"></span>
<span class="source-line-no">022</span><span id="line-22">import java.lang.reflect.Constructor;</span>
<span class="source-line-no">023</span><span id="line-23">import java.lang.reflect.Method;</span>
<span class="source-line-no">024</span><span id="line-24">import java.time.Duration;</span>
<span class="source-line-no">025</span><span id="line-25">import java.time.Instant;</span>
<span class="source-line-no">026</span><span id="line-26">import java.util.Map;</span>
<span class="source-line-no">027</span><span id="line-27">import java.util.Set;</span>
<span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.ExecutionException;</span>
<span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.ExecutorService;</span>
<span class="source-line-no">030</span><span id="line-30">import java.util.concurrent.Executors;</span>
<span class="source-line-no">031</span><span id="line-31">import java.util.concurrent.Future;</span>
<span class="source-line-no">032</span><span id="line-32">import java.util.concurrent.TimeUnit;</span>
<span class="source-line-no">033</span><span id="line-33">import java.util.concurrent.TimeoutException;</span>
<span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.testclassification.IntegrationTests;</span>
<span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.testclassification.LargeTests;</span>
<span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.MediumTests;</span>
<span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.testclassification.SmallTests;</span>
<span class="source-line-no">038</span><span id="line-38">import org.apache.yetus.audience.InterfaceAudience;</span>
<span class="source-line-no">039</span><span id="line-39">import org.junit.jupiter.api.extension.AfterAllCallback;</span>
<span class="source-line-no">040</span><span id="line-40">import org.junit.jupiter.api.extension.AfterEachCallback;</span>
<span class="source-line-no">041</span><span id="line-41">import org.junit.jupiter.api.extension.BeforeAllCallback;</span>
<span class="source-line-no">042</span><span id="line-42">import org.junit.jupiter.api.extension.BeforeEachCallback;</span>
<span class="source-line-no">043</span><span id="line-43">import org.junit.jupiter.api.extension.ExtensionContext;</span>
<span class="source-line-no">044</span><span id="line-44">import org.junit.jupiter.api.extension.ExtensionContext.Store;</span>
<span class="source-line-no">045</span><span id="line-45">import org.junit.jupiter.api.extension.InvocationInterceptor;</span>
<span class="source-line-no">046</span><span id="line-46">import org.junit.jupiter.api.extension.ReflectiveInvocationContext;</span>
<span class="source-line-no">047</span><span id="line-47">import org.junit.platform.commons.JUnitException;</span>
<span class="source-line-no">048</span><span id="line-48">import org.junit.platform.commons.util.ExceptionUtils;</span>
<span class="source-line-no">049</span><span id="line-49">import org.slf4j.Logger;</span>
<span class="source-line-no">050</span><span id="line-50">import org.slf4j.LoggerFactory;</span>
<span class="source-line-no">051</span><span id="line-51"></span>
<span class="source-line-no">052</span><span id="line-52">import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableMap;</span>
<span class="source-line-no">053</span><span id="line-53">import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;</span>
<span class="source-line-no">054</span><span id="line-54">import org.apache.hbase.thirdparty.com.google.common.collect.Sets;</span>
<span class="source-line-no">055</span><span id="line-55">import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;</span>
<span class="source-line-no">056</span><span id="line-56"></span>
<span class="source-line-no">057</span><span id="line-57">/**</span>
<span class="source-line-no">058</span><span id="line-58"> * Class test rule implementation for JUnit5.</span>
<span class="source-line-no">059</span><span id="line-59"> * &lt;p&gt;</span>
<span class="source-line-no">060</span><span id="line-60"> * It ensures that all JUnit5 tests should have at least one of {@link SmallTests},</span>
<span class="source-line-no">061</span><span id="line-61"> * {@link MediumTests}, {@link LargeTests}, {@link IntegrationTests} tags, and set timeout based on</span>
<span class="source-line-no">062</span><span id="line-62"> * the tag.</span>
<span class="source-line-no">063</span><span id="line-63"> * &lt;p&gt;</span>
<span class="source-line-no">064</span><span id="line-64"> * It also controls the timeout for the whole test class running, while the timeout annotation in</span>
<span class="source-line-no">065</span><span id="line-65"> * JUnit5 can only enforce the timeout for each test method. When a test is timed out, a thread dump</span>
<span class="source-line-no">066</span><span id="line-66"> * will be printed to log output.</span>
<span class="source-line-no">067</span><span id="line-67"> * &lt;p&gt;</span>
<span class="source-line-no">068</span><span id="line-68"> * It also implements resource check for each test method, using the {@link ResourceChecker} class.</span>
<span class="source-line-no">069</span><span id="line-69"> * &lt;p&gt;</span>
<span class="source-line-no">070</span><span id="line-70"> * Finally, it also forbid System.exit call in tests. &lt;br&gt;</span>
<span class="source-line-no">071</span><span id="line-71"> * TODO: need to find a new way as SecurityManager was deprecated in Java 17 and permanently</span>
<span class="source-line-no">072</span><span id="line-72"> * disabled since Java 24.</span>
<span class="source-line-no">073</span><span id="line-73"> */</span>
<span class="source-line-no">074</span><span id="line-74">@InterfaceAudience.Private</span>
<span class="source-line-no">075</span><span id="line-75">public class HBaseJupiterExtension implements InvocationInterceptor, BeforeAllCallback,</span>
<span class="source-line-no">076</span><span id="line-76"> AfterAllCallback, BeforeEachCallback, AfterEachCallback {</span>
<span class="source-line-no">077</span><span id="line-77"></span>
<span class="source-line-no">078</span><span id="line-78"> private static final Logger LOG = LoggerFactory.getLogger(HBaseJupiterExtension.class);</span>
<span class="source-line-no">079</span><span id="line-79"></span>
<span class="source-line-no">080</span><span id="line-80"> private static final SecurityManager securityManager = new TestSecurityManager();</span>
<span class="source-line-no">081</span><span id="line-81"></span>
<span class="source-line-no">082</span><span id="line-82"> private static final ExtensionContext.Namespace NAMESPACE =</span>
<span class="source-line-no">083</span><span id="line-83"> ExtensionContext.Namespace.create(HBaseJupiterExtension.class);</span>
<span class="source-line-no">084</span><span id="line-84"></span>
<span class="source-line-no">085</span><span id="line-85"> private static final Map&lt;String, Duration&gt; TAG_TO_TIMEOUT =</span>
<span class="source-line-no">086</span><span id="line-86"> ImmutableMap.of(SmallTests.TAG, Duration.ofMinutes(3), MediumTests.TAG, Duration.ofMinutes(6),</span>
<span class="source-line-no">087</span><span id="line-87"> LargeTests.TAG, Duration.ofMinutes(13), IntegrationTests.TAG, Duration.ZERO);</span>
<span class="source-line-no">088</span><span id="line-88"></span>
<span class="source-line-no">089</span><span id="line-89"> private static final String EXECUTOR = "executor";</span>
<span class="source-line-no">090</span><span id="line-90"></span>
<span class="source-line-no">091</span><span id="line-91"> private static final String DEADLINE = "deadline";</span>
<span class="source-line-no">092</span><span id="line-92"></span>
<span class="source-line-no">093</span><span id="line-93"> private static final String RESOURCE_CHECK = "rc";</span>
<span class="source-line-no">094</span><span id="line-94"></span>
<span class="source-line-no">095</span><span id="line-95"> private Duration pickTimeout(ExtensionContext ctx) {</span>
<span class="source-line-no">096</span><span id="line-96"> Set&lt;String&gt; timeoutTags = TAG_TO_TIMEOUT.keySet();</span>
<span class="source-line-no">097</span><span id="line-97"> Set&lt;String&gt; timeoutTag = Sets.intersection(timeoutTags, ctx.getTags());</span>
<span class="source-line-no">098</span><span id="line-98"> if (timeoutTag.isEmpty()) {</span>
<span class="source-line-no">099</span><span id="line-99"> fail("Test class " + ctx.getDisplayName() + " does not have any of the following scale tags "</span>
<span class="source-line-no">100</span><span id="line-100"> + timeoutTags);</span>
<span class="source-line-no">101</span><span id="line-101"> }</span>
<span class="source-line-no">102</span><span id="line-102"> if (timeoutTag.size() &gt; 1) {</span>
<span class="source-line-no">103</span><span id="line-103"> fail("Test class " + ctx.getDisplayName() + " has multiple scale tags " + timeoutTag);</span>
<span class="source-line-no">104</span><span id="line-104"> }</span>
<span class="source-line-no">105</span><span id="line-105"> return TAG_TO_TIMEOUT.get(Iterables.getOnlyElement(timeoutTag));</span>
<span class="source-line-no">106</span><span id="line-106"> }</span>
<span class="source-line-no">107</span><span id="line-107"></span>
<span class="source-line-no">108</span><span id="line-108"> @Override</span>
<span class="source-line-no">109</span><span id="line-109"> public void beforeAll(ExtensionContext ctx) throws Exception {</span>
<span class="source-line-no">110</span><span id="line-110"> // TODO: remove this usage</span>
<span class="source-line-no">111</span><span id="line-111"> System.setSecurityManager(securityManager);</span>
<span class="source-line-no">112</span><span id="line-112"> Duration timeout = pickTimeout(ctx);</span>
<span class="source-line-no">113</span><span id="line-113"> if (timeout.isZero() || timeout.isNegative()) {</span>
<span class="source-line-no">114</span><span id="line-114"> LOG.info("No timeout for {}", ctx.getDisplayName());</span>
<span class="source-line-no">115</span><span id="line-115"> // zero means no timeout</span>
<span class="source-line-no">116</span><span id="line-116"> return;</span>
<span class="source-line-no">117</span><span id="line-117"> }</span>
<span class="source-line-no">118</span><span id="line-118"> Instant deadline = Instant.now().plus(timeout);</span>
<span class="source-line-no">119</span><span id="line-119"> LOG.info("Timeout for {} is {}, it should be finished before {}", ctx.getDisplayName(), timeout,</span>
<span class="source-line-no">120</span><span id="line-120"> deadline);</span>
<span class="source-line-no">121</span><span id="line-121"> ExecutorService executor =</span>
<span class="source-line-no">122</span><span id="line-122"> Executors.newSingleThreadExecutor(new ThreadFactoryBuilder().setDaemon(true)</span>
<span class="source-line-no">123</span><span id="line-123"> .setNameFormat("HBase-Test-" + ctx.getDisplayName() + "-Main-Thread").build());</span>
<span class="source-line-no">124</span><span id="line-124"> Store store = ctx.getStore(NAMESPACE);</span>
<span class="source-line-no">125</span><span id="line-125"> store.put(EXECUTOR, executor);</span>
<span class="source-line-no">126</span><span id="line-126"> store.put(DEADLINE, deadline);</span>
<span class="source-line-no">127</span><span id="line-127"> }</span>
<span class="source-line-no">128</span><span id="line-128"></span>
<span class="source-line-no">129</span><span id="line-129"> @Override</span>
<span class="source-line-no">130</span><span id="line-130"> public void afterAll(ExtensionContext ctx) throws Exception {</span>
<span class="source-line-no">131</span><span id="line-131"> Store store = ctx.getStore(NAMESPACE);</span>
<span class="source-line-no">132</span><span id="line-132"> ExecutorService executor = store.remove(EXECUTOR, ExecutorService.class);</span>
<span class="source-line-no">133</span><span id="line-133"> if (executor != null) {</span>
<span class="source-line-no">134</span><span id="line-134"> executor.shutdownNow();</span>
<span class="source-line-no">135</span><span id="line-135"> }</span>
<span class="source-line-no">136</span><span id="line-136"> store.remove(DEADLINE);</span>
<span class="source-line-no">137</span><span id="line-137"> // reset secutiry manager</span>
<span class="source-line-no">138</span><span id="line-138"> System.setSecurityManager(null);</span>
<span class="source-line-no">139</span><span id="line-139"> }</span>
<span class="source-line-no">140</span><span id="line-140"></span>
<span class="source-line-no">141</span><span id="line-141"> private &lt;T&gt; T runWithTimeout(Invocation&lt;T&gt; invocation, ExtensionContext ctx, String name)</span>
<span class="source-line-no">142</span><span id="line-142"> throws Throwable {</span>
<span class="source-line-no">143</span><span id="line-143"> Store store = ctx.getStore(NAMESPACE);</span>
<span class="source-line-no">144</span><span id="line-144"> ExecutorService executor = store.get(EXECUTOR, ExecutorService.class);</span>
<span class="source-line-no">145</span><span id="line-145"> if (executor == null) {</span>
<span class="source-line-no">146</span><span id="line-146"> return invocation.proceed();</span>
<span class="source-line-no">147</span><span id="line-147"> }</span>
<span class="source-line-no">148</span><span id="line-148"> Instant deadline = store.get(DEADLINE, Instant.class);</span>
<span class="source-line-no">149</span><span id="line-149"> Instant now = Instant.now();</span>
<span class="source-line-no">150</span><span id="line-150"> if (!now.isBefore(deadline)) {</span>
<span class="source-line-no">151</span><span id="line-151"> fail("Test " + name + " timed out, deadline is " + deadline);</span>
<span class="source-line-no">152</span><span id="line-152"> return null;</span>
<span class="source-line-no">153</span><span id="line-153"> }</span>
<span class="source-line-no">154</span><span id="line-154"></span>
<span class="source-line-no">155</span><span id="line-155"> Duration remaining = Duration.between(now, deadline);</span>
<span class="source-line-no">156</span><span id="line-156"> LOG.info("remaining timeout for {} is {}", name, remaining);</span>
<span class="source-line-no">157</span><span id="line-157"> Future&lt;T&gt; future = executor.submit(() -&gt; {</span>
<span class="source-line-no">158</span><span id="line-158"> try {</span>
<span class="source-line-no">159</span><span id="line-159"> return invocation.proceed();</span>
<span class="source-line-no">160</span><span id="line-160"> } catch (Throwable t) {</span>
<span class="source-line-no">161</span><span id="line-161"> // follow the same pattern with junit5</span>
<span class="source-line-no">162</span><span id="line-162"> throw ExceptionUtils.throwAsUncheckedException(t);</span>
<span class="source-line-no">163</span><span id="line-163"> }</span>
<span class="source-line-no">164</span><span id="line-164"> });</span>
<span class="source-line-no">165</span><span id="line-165"> try {</span>
<span class="source-line-no">166</span><span id="line-166"> return future.get(remaining.toNanos(), TimeUnit.NANOSECONDS);</span>
<span class="source-line-no">167</span><span id="line-167"> } catch (InterruptedException e) {</span>
<span class="source-line-no">168</span><span id="line-168"> Thread.currentThread().interrupt();</span>
<span class="source-line-no">169</span><span id="line-169"> fail("Test " + name + " interrupted");</span>
<span class="source-line-no">170</span><span id="line-170"> return null;</span>
<span class="source-line-no">171</span><span id="line-171"> } catch (ExecutionException e) {</span>
<span class="source-line-no">172</span><span id="line-172"> throw ExceptionUtils.throwAsUncheckedException(e.getCause());</span>
<span class="source-line-no">173</span><span id="line-173"> } catch (TimeoutException e) {</span>
<span class="source-line-no">174</span><span id="line-174"> printThreadDump();</span>
<span class="source-line-no">175</span><span id="line-175"> throw new JUnitException("Test " + name + " timed out, deadline is " + deadline, e);</span>
<span class="source-line-no">176</span><span id="line-176"> }</span>
<span class="source-line-no">177</span><span id="line-177"> }</span>
<span class="source-line-no">178</span><span id="line-178"></span>
<span class="source-line-no">179</span><span id="line-179"> private void printThreadDump() {</span>
<span class="source-line-no">180</span><span id="line-180"> LOG.info("====&gt; TEST TIMED OUT. PRINTING THREAD DUMP. &lt;====");</span>
<span class="source-line-no">181</span><span id="line-181"> LOG.info(TimedOutTestsListener.buildThreadDiagnosticString());</span>
<span class="source-line-no">182</span><span id="line-182"> }</span>
<span class="source-line-no">183</span><span id="line-183"></span>
<span class="source-line-no">184</span><span id="line-184"> @Override</span>
<span class="source-line-no">185</span><span id="line-185"> public void interceptBeforeAllMethod(Invocation&lt;Void&gt; invocation,</span>
<span class="source-line-no">186</span><span id="line-186"> ReflectiveInvocationContext&lt;Method&gt; invocationContext, ExtensionContext extensionContext)</span>
<span class="source-line-no">187</span><span id="line-187"> throws Throwable {</span>
<span class="source-line-no">188</span><span id="line-188"> runWithTimeout(invocation, extensionContext, extensionContext.getDisplayName() + ".beforeAll");</span>
<span class="source-line-no">189</span><span id="line-189"> }</span>
<span class="source-line-no">190</span><span id="line-190"></span>
<span class="source-line-no">191</span><span id="line-191"> @Override</span>
<span class="source-line-no">192</span><span id="line-192"> public void interceptBeforeEachMethod(Invocation&lt;Void&gt; invocation,</span>
<span class="source-line-no">193</span><span id="line-193"> ReflectiveInvocationContext&lt;Method&gt; invocationContext, ExtensionContext extensionContext)</span>
<span class="source-line-no">194</span><span id="line-194"> throws Throwable {</span>
<span class="source-line-no">195</span><span id="line-195"> runWithTimeout(invocation, extensionContext, extensionContext.getDisplayName() + ".beforeEach");</span>
<span class="source-line-no">196</span><span id="line-196"> }</span>
<span class="source-line-no">197</span><span id="line-197"></span>
<span class="source-line-no">198</span><span id="line-198"> @Override</span>
<span class="source-line-no">199</span><span id="line-199"> public void interceptTestMethod(Invocation&lt;Void&gt; invocation,</span>
<span class="source-line-no">200</span><span id="line-200"> ReflectiveInvocationContext&lt;Method&gt; invocationContext, ExtensionContext extensionContext)</span>
<span class="source-line-no">201</span><span id="line-201"> throws Throwable {</span>
<span class="source-line-no">202</span><span id="line-202"> runWithTimeout(invocation, extensionContext, extensionContext.getDisplayName());</span>
<span class="source-line-no">203</span><span id="line-203"> }</span>
<span class="source-line-no">204</span><span id="line-204"></span>
<span class="source-line-no">205</span><span id="line-205"> @Override</span>
<span class="source-line-no">206</span><span id="line-206"> public void interceptAfterEachMethod(Invocation&lt;Void&gt; invocation,</span>
<span class="source-line-no">207</span><span id="line-207"> ReflectiveInvocationContext&lt;Method&gt; invocationContext, ExtensionContext extensionContext)</span>
<span class="source-line-no">208</span><span id="line-208"> throws Throwable {</span>
<span class="source-line-no">209</span><span id="line-209"> runWithTimeout(invocation, extensionContext, extensionContext.getDisplayName() + ".afterEach");</span>
<span class="source-line-no">210</span><span id="line-210"> }</span>
<span class="source-line-no">211</span><span id="line-211"></span>
<span class="source-line-no">212</span><span id="line-212"> @Override</span>
<span class="source-line-no">213</span><span id="line-213"> public void interceptAfterAllMethod(Invocation&lt;Void&gt; invocation,</span>
<span class="source-line-no">214</span><span id="line-214"> ReflectiveInvocationContext&lt;Method&gt; invocationContext, ExtensionContext extensionContext)</span>
<span class="source-line-no">215</span><span id="line-215"> throws Throwable {</span>
<span class="source-line-no">216</span><span id="line-216"> runWithTimeout(invocation, extensionContext, extensionContext.getDisplayName() + ".afterAll");</span>
<span class="source-line-no">217</span><span id="line-217"> }</span>
<span class="source-line-no">218</span><span id="line-218"></span>
<span class="source-line-no">219</span><span id="line-219"> @Override</span>
<span class="source-line-no">220</span><span id="line-220"> public &lt;T&gt; T interceptTestClassConstructor(Invocation&lt;T&gt; invocation,</span>
<span class="source-line-no">221</span><span id="line-221"> ReflectiveInvocationContext&lt;Constructor&lt;T&gt;&gt; invocationContext,</span>
<span class="source-line-no">222</span><span id="line-222"> ExtensionContext extensionContext) throws Throwable {</span>
<span class="source-line-no">223</span><span id="line-223"> return runWithTimeout(invocation, extensionContext,</span>
<span class="source-line-no">224</span><span id="line-224"> extensionContext.getDisplayName() + ".constructor");</span>
<span class="source-line-no">225</span><span id="line-225"> }</span>
<span class="source-line-no">226</span><span id="line-226"></span>
<span class="source-line-no">227</span><span id="line-227"> // below are for implementing resource checker around test method</span>
<span class="source-line-no">228</span><span id="line-228"></span>
<span class="source-line-no">229</span><span id="line-229"> @Override</span>
<span class="source-line-no">230</span><span id="line-230"> public void beforeEach(ExtensionContext ctx) throws Exception {</span>
<span class="source-line-no">231</span><span id="line-231"> ResourceChecker rc = new ResourceChecker(ctx.getDisplayName());</span>
<span class="source-line-no">232</span><span id="line-232"> JUnitResourceCheckers.addResourceAnalyzer(rc);</span>
<span class="source-line-no">233</span><span id="line-233"> Store store = ctx.getStore(NAMESPACE);</span>
<span class="source-line-no">234</span><span id="line-234"> store.put(RESOURCE_CHECK, rc);</span>
<span class="source-line-no">235</span><span id="line-235"> rc.start();</span>
<span class="source-line-no">236</span><span id="line-236"> }</span>
<span class="source-line-no">237</span><span id="line-237"></span>
<span class="source-line-no">238</span><span id="line-238"> @Override</span>
<span class="source-line-no">239</span><span id="line-239"> public void afterEach(ExtensionContext ctx) throws Exception {</span>
<span class="source-line-no">240</span><span id="line-240"> Store store = ctx.getStore(NAMESPACE);</span>
<span class="source-line-no">241</span><span id="line-241"> ResourceChecker rc = store.remove(RESOURCE_CHECK, ResourceChecker.class);</span>
<span class="source-line-no">242</span><span id="line-242"> if (rc != null) {</span>
<span class="source-line-no">243</span><span id="line-243"> rc.end();</span>
<span class="source-line-no">244</span><span id="line-244"> }</span>
<span class="source-line-no">245</span><span id="line-245"> }</span>
<span class="source-line-no">246</span><span id="line-246">}</span>
</pre>
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