1 /* 2 * Copyright (c) 2015, 2018, 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 8132734 8144062 8194070 27 * @summary Test the System properties for JarFile that support multi-release jar files 28 * @library /lib/testlibrary/java/util/jar 29 * @build Compiler JarBuilder CreateMultiReleaseTestJars 30 * @run testng MultiReleaseJarProperties 31 * @run testng/othervm -Djdk.util.jar.version=0 MultiReleaseJarProperties 32 * @run testng/othervm -Djdk.util.jar.version=8 MultiReleaseJarProperties 33 * @run testng/othervm -Djdk.util.jar.version=9 MultiReleaseJarProperties 34 * @run testng/othervm -Djdk.util.jar.version=100 MultiReleaseJarProperties 35 * @run testng/othervm -Djdk.util.jar.version=8 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties 36 * @run testng/othervm -Djdk.util.jar.version=9 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties 37 * @run testng/othervm -Djdk.util.jar.version=8 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties 38 * @run testng/othervm -Djdk.util.jar.version=9 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties 39 * @run testng/othervm -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties 40 * @run testng/othervm -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties 41 */ 42 43 import java.io.File; 44 import java.io.IOException; 45 import java.io.InputStream; 46 import java.lang.invoke.MethodHandle; 47 import java.lang.invoke.MethodHandles; 48 import java.lang.invoke.MethodType; 49 import java.net.URL; 50 import java.net.URLClassLoader; 51 import java.nio.file.Files; 52 import java.util.jar.JarEntry; 53 import java.util.jar.JarFile; 54 55 import org.testng.Assert; 56 import org.testng.annotations.AfterClass; 57 import org.testng.annotations.BeforeClass; 58 import org.testng.annotations.Test; 59 60 61 public class MultiReleaseJarProperties { 62 final static int BASE_VERSION = JarFile.baseVersion().major(); 63 64 final static String userdir = System.getProperty("user.dir", "."); 65 final static File multirelease = new File(userdir, "multi-release.jar"); 66 protected int rtVersion; 67 boolean force; 68 protected ClassLoader cldr; 69 protected Class<?> rootClass; 70 71 @BeforeClass 72 public void initialize() throws Exception { 73 CreateMultiReleaseTestJars creator = new CreateMultiReleaseTestJars(); 74 creator.compileEntries(); 75 creator.buildMultiReleaseJar(); 76 int RUNTIME_VERSION = Runtime.version().major(); 77 rtVersion = Integer.getInteger("jdk.util.jar.version", RUNTIME_VERSION); 78 String mrprop = System.getProperty("jdk.util.jar.enableMultiRelease", ""); 79 if (mrprop.equals("false")) { 80 rtVersion = BASE_VERSION; 81 } else if (rtVersion < BASE_VERSION) { 82 rtVersion = BASE_VERSION; 83 } else if (rtVersion > RUNTIME_VERSION) { 84 rtVersion = RUNTIME_VERSION; 85 } 86 force = mrprop.equals("force"); 87 88 initializeClassLoader(); 89 } 90 91 protected void initializeClassLoader() throws Exception { 92 URL[] urls = new URL[]{multirelease.toURI().toURL()}; 93 cldr = new URLClassLoader(urls); 94 // load any class, Main is convenient and in the root entries 95 rootClass = cldr.loadClass("version.Main"); 96 } 97 98 @AfterClass 99 public void close() throws IOException { 100 ((URLClassLoader)cldr).close(); 101 Files.delete(multirelease.toPath()); 102 } 103 104 /* 105 * jdk.util.jar.enableMultiRelease=force is a no-op for URLClassLoader 106 */ 107 @Test 108 public void testURLClassLoader() throws Throwable { 109 Class<?> vcls = cldr.loadClass("version.Version"); 110 invokeMethod(vcls, rtVersion); 111 } 112 113 protected void invokeMethod(Class<?> vcls, int expected) throws Throwable { 114 MethodType mt = MethodType.methodType(int.class); 115 MethodHandle mh = MethodHandles.lookup().findVirtual(vcls, "getVersion", mt); 116 Assert.assertEquals(expected, (int) mh.invoke(vcls.newInstance())); 117 } 118 119 /* 120 * jdk.util.jar.enableMultiRelease=force should affect a custom class loader 121 */ 122 @Test 123 public void testClassLoader() throws Throwable { 124 try (JarFile jf = new JarFile(multirelease)) { // do not set runtime versioning 125 ClassLoader cldr = new CustomClassLoader(jf); 126 Class<?> vcls = cldr.loadClass("version.Version"); 127 if (rtVersion == 9) { 128 try { 129 cldr.loadClass("version.PackagePrivate"); 130 } catch (ClassNotFoundException x) { 131 if (force) throw x; 132 } 133 } 134 invokeMethod(vcls, force ? rtVersion : BASE_VERSION); 135 } 136 } 137 138 private static class CustomClassLoader extends ClassLoader { 139 private final JarFile jf; 140 141 CustomClassLoader(JarFile jf) throws Exception { 142 super(null); 143 this.jf = jf; 144 } 145 146 protected Class<?> findClass(String name) throws ClassNotFoundException { 147 try { 148 byte[] b; 149 String entryName = name.replace(".", "/") + ".class"; 150 JarEntry je = jf.getJarEntry(entryName); 151 if (je != null) { 152 try (InputStream is = jf.getInputStream(je)) { 153 b = new byte[(int) je.getSize()]; 154 is.read(b); 155 } 156 return defineClass(name, b, 0, b.length); 157 } 158 throw new ClassNotFoundException(name); 159 } catch (IOException x) { 160 throw new ClassNotFoundException(x.getMessage()); 161 } 162 } 163 } 164 165 @Test 166 public void testGetResourceAsStream() throws Exception { 167 String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java"; 168 // use fileRootClass as a base for getting resources 169 getResourceAsStream(rootClass, resource); 170 } 171 172 protected void getResourceAsStream(Class<?> rootClass, String resource) throws Exception { 173 try (InputStream is = rootClass.getResourceAsStream(resource)) { 174 byte[] bytes = is.readAllBytes(); 175 resource = new String(bytes); 176 } 177 String match = "return " + rtVersion + ";"; 178 Assert.assertTrue(resource.contains(match)); 179 } 180 181 @Test 182 public void testGetResource() throws Exception { 183 String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java"; 184 // use rootClass as a base for getting resources 185 getResource(rootClass, resource); 186 } 187 188 protected void getResource(Class<?> rootClass, String resource) throws Exception { 189 URL url = rootClass.getResource(resource); 190 try (InputStream is = url.openStream()) { 191 byte[] bytes = is.readAllBytes(); 192 resource = new String(bytes); 193 } 194 String match = "return " + rtVersion + ";"; 195 Assert.assertTrue(resource.contains(match)); 196 } 197 }