1 /* 2 * Copyright (c) 2019, Google Inc. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * @test 28 * @summary Test with symbolic linked lib/modules 29 * @bug 8220095 30 * @requires (os.family == "solaris" | os.family == "linux" | os.family == "mac") 31 * @library /test/lib 32 * @modules java.management 33 * jdk.jlink 34 * @run driver ModulesSymLink 35 */ 36 37 import java.io.File; 38 import java.nio.file.Files; 39 import java.nio.file.Path; 40 import java.nio.file.Paths; 41 import jdk.test.lib.process.ProcessTools; 42 import jdk.test.lib.process.OutputAnalyzer; 43 44 public class ModulesSymLink { 45 static String java_home; 46 static String test_jdk; 47 48 public static void main(String[] args) throws Throwable { 49 java_home = System.getProperty("java.home"); 50 test_jdk = System.getProperty("user.dir") + File.separator + 51 "modulessymlink_jdk" + Long.toString(System.currentTimeMillis()); 52 53 constructTestJDK(); 54 55 ProcessBuilder pb = new ProcessBuilder( 56 test_jdk + File.separator + "bin" + File.separator + "java", 57 "-version"); 58 OutputAnalyzer out = new OutputAnalyzer(pb.start()); 59 out.shouldHaveExitValue(0); 60 } 61 62 // 1) Create a test JDK binary (jlink is used to help simplify the process, 63 // alternatively a test JDK could be copied from JAVA_HOME.) 64 // 2) Rename the test JDK's lib/modules to lib/0. 65 // 3) Then create a link to lib/0 as lib/modules. 66 static void constructTestJDK() throws Throwable { 67 Path jlink = Paths.get(java_home, "bin", "jlink"); 68 System.out.println("Jlink = " + jlink); 69 OutputAnalyzer out = ProcessTools.executeProcess(jlink.toString(), 70 "--output", test_jdk, 71 "--add-modules", "java.base"); 72 out.shouldHaveExitValue(0); 73 74 Path modules = Paths.get(test_jdk, "lib", "modules"); 75 Path renamed_modules = Paths.get(test_jdk, "lib", "0"); 76 Files.move(modules, renamed_modules); 77 Files.createSymbolicLink(modules, renamed_modules); 78 } 79 }