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/*
* Copyright (c) 2013, 2020, 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.
*/
/*
* Helper superclass for launching JDI tests out of the CDS archive.
*/
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import java.io.*;
import java.util.ArrayList;
import sun.tools.jar.Main;
public class CDSJDITest {
private static final String classesDir = System.getProperty("test.classes");
public static void runTest(String testname, String[] jarClasses) throws Exception {
File jarClasslistFile = makeClassList(jarClasses);
String appJar = buildJar(testname, jarClasses);
// These are the arguments passed to createJavaProcessBuilder() to launch
// the JDI test.
String[] testArgs = {
// JVM Args:
// These first three properties are setup by jtreg, and must be passed
// to the JDI test subprocess because it needs them in order to
// pass them to the subprocess it will create for the debuggee. This
// is how the -javaopts are passed to the debuggee. See
// VMConnection.getDebuggeeVMOptions().
getPropOpt("test.classes"),
getPropOpt("test.java.opts"),
getPropOpt("test.vm.opts"),
// Pass -showversion to the JDI test just so we get a bit of trace output.
"-showversion",
// Main class:
testname,
// Args to the Main Class:
// These argument all follow the above <testname> argument, and are
// in fact passed to <testname>.main() as java arguments. <testname> will
// pass them as JVM arguments to the debuggee process it creates.
"-Xbootclasspath/a:" + appJar,
"-XX:+UnlockDiagnosticVMOptions",
"-Xlog:class+path=info",
"-XX:SharedArchiveFile=./SharedArchiveFile.jsa",
"-Xshare:on",
"-showversion"
};
// Dump the archive
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-Xbootclasspath/a:" + appJar,
"-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./SharedArchiveFile.jsa",
"-XX:ExtraSharedClassListFile=" + jarClasslistFile.getPath(),
"-Xshare:dump", "-Xlog:cds");
OutputAnalyzer outputDump = executeAndLog(pb, "exec");
for (String jarClass : jarClasses) {
outputDump.shouldNotContain("Cannot find " + jarClass);
}
outputDump.shouldContain("Loading classes to share");
outputDump.shouldHaveExitValue(0);
// Run the test specified JDI test
pb = ProcessTools.createTestJvm(testArgs);
OutputAnalyzer outputRun = executeAndLog(pb, "exec");
try {
outputRun.shouldContain("sharing");
outputRun.shouldHaveExitValue(0);
} catch (RuntimeException e) {
outputRun.shouldContain("Unable to use shared archive");
outputRun.shouldHaveExitValue(1);
}
}
public static String getPropOpt(String prop) {
String propVal = System.getProperty(prop);
if (propVal == null) propVal = "";
System.out.println(prop + ": '" + propVal + "'");
return "-D" + prop + "=" + propVal;
}
public static File makeClassList(String appClasses[]) throws Exception {
File classList = getOutputFile("test.classlist");
FileOutputStream fos = new FileOutputStream(classList);
PrintStream ps = new PrintStream(fos);
addToClassList(ps, appClasses);
ps.close();
fos.close();
return classList;
}
public static OutputAnalyzer executeAndLog(ProcessBuilder pb, String logName) throws Exception {
long started = System.currentTimeMillis();
OutputAnalyzer output = ProcessTools.executeProcess(pb);
writeFile(getOutputFile(logName + ".stdout"), output.getStdout());
writeFile(getOutputFile(logName + ".stderr"), output.getStderr());
System.out.println("[ELAPSED: " + (System.currentTimeMillis() - started) + " ms]");
System.out.println("[STDOUT]\n" + output.getStdout());
System.out.println("[STDERR]\n" + output.getStderr());
return output;
}
private static void writeFile(File file, String content) throws Exception {
FileOutputStream fos = new FileOutputStream(file);
PrintStream ps = new PrintStream(fos);
ps.print(content);
ps.close();
fos.close();
}
public static File getOutputFile(String name) {
File dir = new File(System.getProperty("test.classes", "."));
return new File(dir, getTestNamePrefix() + name);
}
private static void addToClassList(PrintStream ps, String classes[]) throws IOException {
if (classes != null) {
for (String s : classes) {
ps.println(s);
}
}
}
private static String testNamePrefix;
private static String getTestNamePrefix() {
if (testNamePrefix == null) {
StackTraceElement[] elms = (new Throwable()).getStackTrace();
if (elms.length > 0) {
for (StackTraceElement n: elms) {
if ("main".equals(n.getMethodName())) {
testNamePrefix = n.getClassName() + "-";
break;
}
}
}
if (testNamePrefix == null) {
testNamePrefix = "";
}
}
return testNamePrefix;
}
private static String buildJar(String jarName, String ...classNames)
throws Exception {
String jarFullName = classesDir + File.separator + jarName + ".jar";
createSimpleJar(classesDir, jarFullName, classNames);
return jarFullName;
}
private static void createSimpleJar(String jarClassesDir, String jarName,
String[] classNames) throws Exception {
ArrayList<String> args = new ArrayList<String>();
args.add("cf");
args.add(jarName);
addJarClassArgs(args, jarClassesDir, classNames);
createJar(args);
}
private static void addJarClassArgs(ArrayList<String> args, String jarClassesDir,
String[] classNames) {
for (String name : classNames) {
args.add("-C");
args.add(jarClassesDir);
args.add(name + ".class");
}
}
private static void createJar(ArrayList<String> args) {
Main jarTool = new Main(System.out, System.err, "jar");
if (!jarTool.run(args.toArray(new String[1]))) {
throw new RuntimeException("jar operation failed");
}
}
}
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