| /* |
| * Copyright (c) 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. |
| * |
| */ |
| |
| /* |
| * @test |
| * @summary Test that CDS still works when the JDK is moved to a new directory |
| * @requires vm.cds |
| * @requires os.family == "linux" |
| * @library /test/lib |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * jdk.jartool/sun.tools.jar |
| * @compile test-classes/Hello.java |
| * @run main MoveJDKTest |
| */ |
| |
| // This test works only on Linux because it depends on symlinks and the name of the hotspot DLL (libjvm.so). |
| // It probably doesn't work on Windows. |
| // TODO: change libjvm.so to libjvm.dylib on MacOS, before adding "@requires os.family == mac" |
| // TODO: test on solaris, before adding "@requires os.family == solaris" |
| |
| import java.io.File; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.nio.file.StandardCopyOption; |
| import jdk.test.lib.process.OutputAnalyzer; |
| |
| public class MoveJDKTest { |
| public static void main(String[] args) throws Exception { |
| String java_home_src = System.getProperty("java.home"); |
| String java_home_dst = System.getProperty("user.dir") + File.separator + "moved_jdk"; |
| |
| TestCommon.startNewArchiveName(); |
| String jsaFile = TestCommon.getCurrentArchiveName(); |
| String jsaOpt = "-XX:SharedArchiveFile=" + jsaFile; |
| { |
| ProcessBuilder pb = makeBuilder(java_home_src + "/bin/java", "-Xshare:dump", jsaOpt); |
| TestCommon.executeAndLog(pb, "dump"); |
| } |
| { |
| ProcessBuilder pb = makeBuilder(java_home_src + "/bin/java", |
| "-Xshare:auto", |
| jsaOpt, |
| "-Xlog:class+path=info", |
| "-version"); |
| OutputAnalyzer out = TestCommon.executeAndLog(pb, "exec-src"); |
| out.shouldNotContain("shared class paths mismatch"); |
| out.shouldNotContain("BOOT classpath mismatch"); |
| } |
| |
| clone(new File(java_home_src), new File(java_home_dst)); |
| System.out.println("============== Cloned JDK at " + java_home_dst); |
| |
| // Test runtime with cloned JDK |
| { |
| ProcessBuilder pb = makeBuilder(java_home_dst + "/bin/java", |
| "-Xshare:auto", |
| jsaOpt, |
| "-Xlog:class+path=info", |
| "-version"); |
| OutputAnalyzer out = TestCommon.executeAndLog(pb, "exec-dst"); |
| out.shouldNotContain("shared class paths mismatch"); |
| out.shouldNotContain("BOOT classpath mismatch"); |
| } |
| |
| // Test with bad JAR file name, hello.modules |
| String helloJar = JarBuilder.getOrCreateHelloJar(); |
| String fake_modules = copyFakeModulesFromHelloJar(); |
| String dumptimeBootAppendOpt = "-Xbootclasspath/a:" + fake_modules; |
| { |
| ProcessBuilder pb = makeBuilder(java_home_src + "/bin/java", |
| "-Xshare:dump", |
| dumptimeBootAppendOpt, |
| jsaOpt); |
| TestCommon.executeAndLog(pb, "dump"); |
| } |
| { |
| String runtimeBootAppendOpt = dumptimeBootAppendOpt + System.getProperty("path.separator") + helloJar; |
| ProcessBuilder pb = makeBuilder(java_home_dst + "/bin/java", |
| "-Xshare:auto", |
| runtimeBootAppendOpt, |
| jsaOpt, |
| "-Xlog:class+path=info", |
| "-version"); |
| OutputAnalyzer out = TestCommon.executeAndLog(pb, "exec-dst"); |
| out.shouldNotContain("shared class paths mismatch"); |
| out.shouldNotContain("BOOT classpath mismatch"); |
| } |
| } |
| |
| // Do a cheap clone of the JDK. Most files can be sym-linked. However, $JAVA_HOME/bin/java and $JAVA_HOME/lib/.../libjvm.so" |
| // must be copied, because the java.home property is derived from the canonicalized paths of these 2 files. |
| static void clone(File src, File dst) throws Exception { |
| if (dst.exists()) { |
| if (!dst.isDirectory()) { |
| throw new RuntimeException("Not a directory :" + dst); |
| } |
| } else { |
| if (!dst.mkdir()) { |
| throw new RuntimeException("Cannot create directory: " + dst); |
| } |
| } |
| for (String child : src.list()) { |
| if (child.equals(".") || child.equals("..")) { |
| continue; |
| } |
| |
| File child_src = new File(src, child); |
| File child_dst = new File(dst, child); |
| if (child_dst.exists()) { |
| throw new RuntimeException("Already exists: " + child_dst); |
| } |
| if (child_src.isFile()) { |
| if (child.equals("libjvm.so") || child.equals("java")) { |
| Files.copy(child_src.toPath(), /* copy data to -> */ child_dst.toPath()); |
| } else { |
| Files.createSymbolicLink(child_dst.toPath(), /* link to -> */ child_src.toPath()); |
| } |
| } else { |
| clone(child_src, child_dst); |
| } |
| } |
| } |
| |
| static ProcessBuilder makeBuilder(String... args) throws Exception { |
| System.out.print("["); |
| for (String s : args) { |
| System.out.print(" " + s); |
| } |
| System.out.println(" ]"); |
| return new ProcessBuilder(args); |
| } |
| |
| private static String copyFakeModulesFromHelloJar() throws Exception { |
| String classDir = System.getProperty("test.classes"); |
| String newFile = "hello.modules"; |
| String path = classDir + File.separator + newFile; |
| |
| Files.copy(Paths.get(classDir, "hello.jar"), |
| Paths.get(classDir, newFile), |
| StandardCopyOption.REPLACE_EXISTING); |
| return path; |
| } |
| } |