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