/*
* Copyright ( c ) 2013 , 2018 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
import java.io.IOException;
import java.io.File;
import java.nio.file.Files;
import java.util.Arrays;
import jdk.test.lib.thread .ProcessThread;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.Utils;
/*
* Utility functions for test runners .
* ( Test runner = class that launch a test )
*/
public class RunnerUtil {
/**
* The Application process must be run concurrently with our tests since
* the tests will attach to the Application .
* We will run the Application process in a separate thread .
*
* The Application must be started with flag " - Xshare : off " for the Retransform
* test in TestBasics to pass on all platforms .
*
* The Application will write its pid and shutdownPort in the given outFile .
*/
public static ProcessThread startApplication(String... additionalOpts) throws Throwable {
String classpath = System.getProperty("test.class.path" , "." );
String[] myArgs = concat(additionalOpts, new String [] {
"-XX:+UsePerfData" , "-XX:+EnableDynamicAgentLoading" ,
"-Dattach.test=true" , "-classpath" , classpath, "Application"
});
String[] args = Utils.addTestJavaOpts(myArgs);
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args);
ProcessThread pt = new ProcessThread("runApplication" , (line) -> line.equals(Application.READY_MSG), pb);
pt.start();
return pt;
}
public static String[] concat(String[] a, String[] b) {
if (a == null ) {
return b;
}
if (b == null ) {
return a;
}
int aLen = a.length;
int bLen = b.length;
String[] c = new String[aLen + bLen];
System.arraycopy(a, 0 , c, 0 , aLen);
System.arraycopy(b, 0 , c, aLen, bLen);
return c;
}
/**
* Will stop the running Application .
* First tries to shutdown nicely by connecting to the shut down port .
* If that fails , the process will be killed hard with stopProcess ( ) .
*
* If the nice shutdown fails , then an Exception is thrown and the test should fail .
*
* @ param processThread The process to stop .
*/
public static void stopApplication(ProcessThread processThread) throws Throwable {
if (processThread == null ) {
System.out.println("RunnerUtil.stopApplication ignored since proc is null" );
return ;
}
try {
System.out.println("RunnerUtil.stopApplication waiting for shutdown" );
processThread.sendMessage(Application.SHUTDOWN_MSG);
processThread.joinAndThrow();
processThread.getOutput().shouldHaveExitValue(0 );
} catch (Throwable t) {
System.out.println("RunnerUtil.stopApplication failed. Will kill it hard: " + t);
processThread.stopProcess();
throw t;
}
}
/**
* Creates a jar file .
* @ param args Command to the jar tool .
*/
public static void createJar(String... args) {
System.out.println("Running: jar " + Arrays.toString(args));
sun.tools.jar.Main jar = new sun.tools.jar.Main(System.out, System.err, "jar" );
if (!jar.run(args)) {
throw new RuntimeException("jar failed: args=" + Arrays.toString(args));
}
}
/**
* Read the content of a file .
* @ param file The file to read .
* @ return The file content or null if file does not exists .
*/
public static String readFile(File file) throws IOException {
if (!file.exists()) {
return null ;
}
try {
byte [] bytes = Files.readAllBytes(file.toPath());
String content = new String(bytes);
return content;
} catch (IOException e) {
e.printStackTrace();
throw e;
}
}
}
Messung V0.5 in Prozent C=91 H=86 G=88
¤ Dauer der Verarbeitung: 0.6 Sekunden
¤
*© Formatika GbR, Deutschland