/* * 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.
*/
/* * Utility functions for test runners. * (Test runner = class that launch a test)
*/ publicclass 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.
*/ publicstatic 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;
}
publicstatic 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.
*/ publicstaticvoid 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.
*/ publicstaticvoid 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)) { thrownew 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.
*/ publicstatic String readFile(File file) throws IOException { if (!file.exists()) { returnnull;
} try { byte[] bytes = Files.readAllBytes(file.toPath());
String content = new String(bytes); return content;
} catch (IOException e) {
e.printStackTrace(); throw e;
}
}
}
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