1 /* 2 * Copyright (c) 2015, 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 8132734 8144062 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=10 MultiReleaseJarProperties 35 * @run testng/othervm -Djdk.util.jar.version=100 MultiReleaseJarProperties 36 * @run testng/othervm -Djdk.util.jar.version=8 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties 37 * @run testng/othervm -Djdk.util.jar.version=9 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties 38 * @run testng/othervm -Djdk.util.jar.version=10 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties 39 * @run testng/othervm -Djdk.util.jar.version=8 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties 40 * @run testng/othervm -Djdk.util.jar.version=9 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties 41 * @run testng/othervm -Djdk.util.jar.version=10 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties 42 * @run testng/othervm -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties 43 * @run testng/othervm -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties 44 */ 45 46 import java.io.File; 47 import java.io.IOException; 48 import java.io.InputStream; 49 import java.lang.invoke.MethodHandle; 50 import java.lang.invoke.MethodHandles; 51 import java.lang.invoke.MethodType; 52 import java.net.URL; 53 import java.net.URLClassLoader; 54 import java.nio.file.Files; 55 import java.util.jar.JarEntry; 56 import java.util.jar.JarFile; 57 58 import org.testng.Assert; 59 import org.testng.annotations.AfterClass; 60 import org.testng.annotations.BeforeClass; 61 import org.testng.annotations.Test; 62 63 64 public class MultiReleaseJarProperties { 65 final static int BASE_VERSION = JarFile.baseVersion().major(); 66 67 final static String userdir = System.getProperty("user.dir", "."); 68 final static File multirelease = new File(userdir, "multi-release.jar"); 69 protected int rtVersion; 70 boolean force; 71 protected ClassLoader cldr; 72 protected Class<?> rootClass; 73 74 @BeforeClass 75 public void initialize() throws Exception { 76 CreateMultiReleaseTestJars creator = new CreateMultiReleaseTestJars(); 77 creator.compileEntries(); 78 creator.buildMultiReleaseJar(); 79 int RUNTIME_VERSION = Runtime.version().major(); 80 rtVersion = Integer.getInteger("jdk.util.jar.version", RUNTIME_VERSION); 81 String mrprop = System.getProperty("jdk.util.jar.enableMultiRelease", ""); 82 if (mrprop.equals("false")) { 83 rtVersion = BASE_VERSION; 84 } else if (rtVersion < BASE_VERSION) { 85 rtVersion = BASE_VERSION; 86 } else if (rtVersion > RUNTIME_VERSION) { 87 rtVersion = RUNTIME_VERSION; 88 } 89 force = mrprop.equals("force"); 90 91 initializeClassLoader(); 92 } 93 94 protected void initializeClassLoader() throws Exception { 95 URL[] urls = new URL[]{multirelease.toURI().toURL()}; 96 cldr = new URLClassLoader(urls); 97 // load any class, Main is convenient and in the root entries 98 rootClass = cldr.loadClass("version.Main"); 99 } 100 101 @AfterClass 102 public void close() throws IOException { 103 ((URLClassLoader)cldr).close(); 104 Files.delete(multirelease.toPath()); 105 } 106 107 /* 108 * jdk.util.jar.enableMultiRelease=force is a no-op for URLClassLoader 109 */ 110 @Test 111 public void testURLClassLoader() throws Throwable { 112 Class<?> vcls = cldr.loadClass("version.Version"); 113 invokeMethod(vcls, rtVersion); 114 } 115 116 protected void invokeMethod(Class<?> vcls, int expected) throws Throwable { 117 MethodType mt = MethodType.methodType(int.class); 118 MethodHandle mh = MethodHandles.lookup().findVirtual(vcls, "getVersion", mt); 119 Assert.assertEquals(expected, (int) mh.invoke(vcls.newInstance())); 120 } 121 122 /* 123 * jdk.util.jar.enableMultiRelease=force should affect a custom class loader 124 */ 125 @Test 126 public void testClassLoader() throws Throwable { 127 try (JarFile jf = new JarFile(multirelease)) { // do not set runtime versioning 128 ClassLoader cldr = new CustomClassLoader(jf); 129 Class<?> vcls = cldr.loadClass("version.Version"); 130 if (rtVersion == 9) { 131 try { 132 cldr.loadClass("version.PackagePrivate"); 133 } catch (ClassNotFoundException x) { 134 if (force) throw x; 135 } 136 } 137 invokeMethod(vcls, force ? rtVersion : BASE_VERSION); 138 } 139 } 140 141 private static class CustomClassLoader extends ClassLoader { 142 private final JarFile jf; 143 144 CustomClassLoader(JarFile jf) throws Exception { 145 super(null); 146 this.jf = jf; 147 } 148 149 protected Class<?> findClass(String name) throws ClassNotFoundException { 150 try { 151 byte[] b; 152 String entryName = name.replace(".", "/") + ".class"; 153 JarEntry je = jf.getJarEntry(entryName); 154 if (je != null) { 155 try (InputStream is = jf.getInputStream(je)) { 156 b = new byte[(int) je.getSize()]; 157 is.read(b); 158 } 159 return defineClass(name, b, 0, b.length); 160 } 161 throw new ClassNotFoundException(name); 162 } catch (IOException x) { 163 throw new ClassNotFoundException(x.getMessage()); 164 } 165 } 166 } 167 168 @Test 169 public void testGetResourceAsStream() throws Exception { 170 String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java"; 171 // use fileRootClass as a base for getting resources 172 getResourceAsStream(rootClass, resource); 173 } 174 175 protected void getResourceAsStream(Class<?> rootClass, String resource) throws Exception { 176 try (InputStream is = rootClass.getResourceAsStream(resource)) { 177 byte[] bytes = is.readAllBytes(); 178 resource = new String(bytes); 179 } 180 String match = "return " + rtVersion + ";"; 181 Assert.assertTrue(resource.contains(match)); 182 } 183 184 @Test 185 public void testGetResource() throws Exception { 186 String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java"; 187 // use rootClass as a base for getting resources 188 getResource(rootClass, resource); 189 } 190 191 protected void getResource(Class<?> rootClass, String resource) throws Exception { 192 URL url = rootClass.getResource(resource); 193 try (InputStream is = url.openStream()) { 194 byte[] bytes = is.readAllBytes(); 195 resource = new String(bytes); 196 } 197 String match = "return " + rtVersion + ";"; 198 Assert.assertTrue(resource.contains(match)); 199 } 200 }