--- /dev/null 2019-02-05 09:23:58.036870828 -0800 +++ new/test/hotspot/jtreg/runtime/modules/ModulesSymLink.java 2019-03-13 08:49:08.191257982 -0700 @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2019, Google Inc. 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. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * 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 with symbolic linked lib/modules + * @bug 8220095 + * @requires (os.family == "solaris" | os.family == "linux" | os.family == "mac") + * @library /test/lib + * @modules java.management + * jdk.jlink + * @run driver ModulesSymLink + */ + +import java.io.File; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import jdk.test.lib.process.ProcessTools; +import jdk.test.lib.process.OutputAnalyzer; + +public class ModulesSymLink { + static String java_home; + static String test_jdk; + + public static void main(String[] args) throws Throwable { + java_home = System.getProperty("java.home"); + test_jdk = System.getProperty("user.dir") + File.separator + + "modulessymlink_jdk" + Long.toString(System.currentTimeMillis()); + + constructTestJDK(); + + ProcessBuilder pb = new ProcessBuilder( + test_jdk + File.separator + "bin" + File.separator + "java", + "-version"); + OutputAnalyzer out = new OutputAnalyzer(pb.start()); + out.shouldHaveExitValue(0); + } + + // 1) Create a test JDK binary (jlink is used to help simplify the process, + // alternatively a test JDK could be copied from JAVA_HOME.) + // 2) Rename the test JDK's lib/modules to lib/0. + // 3) Then create a link to lib/0 as lib/modules. + static void constructTestJDK() throws Throwable { + Path jlink = Paths.get(java_home, "bin", "jlink"); + OutputAnalyzer out = ProcessTools.executeProcess(jlink.toString(), + "--output", test_jdk, + "--add-modules", "java.base"); + out.shouldHaveExitValue(0); + + Path modules = Paths.get(test_jdk, "lib", "modules"); + Path renamed_modules = Paths.get(test_jdk, "lib", "0"); + Files.move(modules, renamed_modules); + Files.createSymbolicLink(modules, renamed_modules); + } +}