1 /* 2 * Copyright (c) 2016, Oracle 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 * @test 26 * @bug 8141609 8154403 27 * @summary Verify JDK 8 can use jrt-fs.jar to work with jrt file system. 28 * @run main RemoteRuntimeImageTest 29 */ 30 31 import java.io.File; 32 import java.io.FileInputStream; 33 import java.io.FileNotFoundException; 34 import java.io.IOException; 35 import java.nio.file.FileSystems; 36 import java.nio.file.Files; 37 import java.nio.file.Path; 38 import java.nio.file.Paths; 39 import java.util.Arrays; 40 import java.util.List; 41 import java.util.Properties; 42 public class RemoteRuntimeImageTest { 43 //the jrt-fs.jar shipped together with jdk 44 private static final String JRTFS_JAR = "jrt-fs.jar"; 45 private static final String SRC_DIR = System.getProperty("test.src"); 46 private static final String CLASSES_DIR = "classes"; 47 private static final String TEST_JAVAHOME = System.getProperty("test.jdk"); 48 49 public static void main(String[] args) throws Exception { 50 // By default, set to ${JT_JAVA} 51 String jdk8Home = System.getenv("JDK8_HOME"); 52 if (jdk8Home == null || jdk8Home.isEmpty()) { 53 System.err.println("Failed to locate JDK8 with system " 54 + "environment variable 'JDK8_HOME'. Skip testing!"); 55 return; 56 } 57 58 Path jdk8Path = getJdk8Path(jdk8Home); 59 if (!isJdk8(jdk8Path)) { 60 System.err.println("This test is only for JDK 8. Skip testing"); 61 return; 62 } 63 64 String java = jdk8Path.resolve("bin/java").toAbsolutePath().toString(); 65 String javac = jdk8Path.resolve("bin/javac").toAbsolutePath().toString(); 66 Files.createDirectories(Paths.get(".", CLASSES_DIR)); 67 String jrtJar = Paths.get(TEST_JAVAHOME, JRTFS_JAR).toAbsolutePath().toString(); 68 69 // Compose command-lines for compiling and executing tests 70 List<List<String>> cmds = Arrays.asList( 71 // Commands to compile test classes 72 Arrays.asList(javac, "-d", CLASSES_DIR, "-cp", jrtJar, 73 SRC_DIR + File.separatorChar + "Main.java"), 74 // Run test 75 Arrays.asList(java, "-cp", CLASSES_DIR, "Main", TEST_JAVAHOME), 76 // Run test with jrtfs.jar in class path, 77 // which means to install jrt FileSystem provider 78 Arrays.asList(java, "-cp", CLASSES_DIR + File.pathSeparatorChar + jrtJar, 79 "Main", TEST_JAVAHOME, "installed") 80 ); 81 82 cmds.forEach(cmd -> execCmd(cmd)); 83 } 84 85 private static void execCmd(List<String> command){ 86 System.out.println(); 87 System.out.println("Executing command: " + command); 88 Process p = null; 89 try { 90 p = new ProcessBuilder(command).inheritIO().start(); 91 p.waitFor(); 92 int rc = p.exitValue(); 93 if (rc != 0) { 94 throw new RuntimeException("Unexpected exit code:" + rc); 95 } 96 } catch (IOException | InterruptedException e) { 97 throw new RuntimeException(e); 98 } finally { 99 if (p != null && p.isAlive()){ 100 p.destroy(); 101 } 102 } 103 } 104 105 private static Path getJdk8Path(String jdk8Home) { 106 Path jdk8Path = Paths.get(jdk8Home); 107 // It is possible to point to the path of java executable by ${JT_JAVA} 108 return Files.isDirectory(jdk8Path)? jdk8Path : jdk8Path.getParent().getParent(); 109 } 110 111 private static boolean isJdk8(Path jdk8Home) throws FileNotFoundException, IOException { 112 File file = jdk8Home.resolve("release").toFile(); 113 Properties props = new Properties(); 114 try (FileInputStream in = new FileInputStream(file)) { 115 props.load(in); 116 } 117 118 String version = props.getProperty("JAVA_VERSION", ""); 119 System.out.println("JAVA_VERSION is " + version); 120 return version.startsWith("\"1.8"); 121 } 122 } 123