1 /*
2 * Copyright (c) 2015, 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
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 import jdk.Version;
58
59 import org.testng.Assert;
60 import org.testng.annotations.AfterClass;
61 import org.testng.annotations.BeforeClass;
62 import org.testng.annotations.Test;
63
64 public class MultiReleaseJarProperties {
65
66 static final int MAJOR_VERSION = Version.current().major();
67
68 final static int ROOTVERSION = 8; // magic number from knowledge of internals
69 final static String userdir = System.getProperty("user.dir", ".");
70 final static File multirelease = new File(userdir, "multi-release.jar");
71 protected int rtVersion;
72 boolean force;
73 protected ClassLoader cldr;
74 protected Class<?> rootClass;
75
76 @BeforeClass
77 public void initialize() throws Exception {
78 CreateMultiReleaseTestJars creator = new CreateMultiReleaseTestJars();
79 creator.compileEntries();
80 creator.buildMultiReleaseJar();
81
82 rtVersion = Integer.getInteger("jdk.util.jar.version", MAJOR_VERSION);
83 String mrprop = System.getProperty("jdk.util.jar.enableMultiRelease", "");
84 if (mrprop.equals("false")) {
85 rtVersion = ROOTVERSION;
86 } else if (rtVersion < ROOTVERSION) {
87 rtVersion = ROOTVERSION;
88 } else if (rtVersion > MAJOR_VERSION) {
89 rtVersion = MAJOR_VERSION;
90 }
91 force = mrprop.equals("force");
92
93 initializeClassLoader();
94 }
95
96 protected void initializeClassLoader() throws Exception {
97 URL[] urls = new URL[]{multirelease.toURI().toURL()};
98 cldr = new URLClassLoader(urls);
99 // load any class, Main is convenient and in the root entries
100 rootClass = cldr.loadClass("version.Main");
101 }
102
103 @AfterClass
104 public void close() throws IOException {
105 ((URLClassLoader)cldr).close();
106 Files.delete(multirelease.toPath());
107 }
108
109 /*
110 * jdk.util.jar.enableMultiRelease=force is a no-op for URLClassLoader
111 */
112 @Test
113 public void testURLClassLoader() throws Throwable {
114 Class<?> vcls = cldr.loadClass("version.Version");
115 invokeMethod(vcls, rtVersion);
116 }
117
118 protected void invokeMethod(Class<?> vcls, int expected) throws Throwable {
119 MethodType mt = MethodType.methodType(int.class);
120 MethodHandle mh = MethodHandles.lookup().findVirtual(vcls, "getVersion", mt);
121 Assert.assertEquals(expected, (int) mh.invoke(vcls.newInstance()));
122 }
123
124 /*
125 * jdk.util.jar.enableMultiRelease=force should affect a custom class loader
126 */
127 @Test
128 public void testClassLoader() throws Throwable {
129 try (JarFile jf = new JarFile(multirelease)) { // do not set runtime versioning
130 ClassLoader cldr = new CustomClassLoader(jf);
131 Class<?> vcls = cldr.loadClass("version.Version");
132 if (rtVersion == 9) {
133 try {
134 cldr.loadClass("version.PackagePrivate");
135 } catch (ClassNotFoundException x) {
136 if (force) throw x;
137 }
138 }
139 invokeMethod(vcls, force ? rtVersion : ROOTVERSION);
140 }
141 }
142
143 private static class CustomClassLoader extends ClassLoader {
144 private final JarFile jf;
145
146 CustomClassLoader(JarFile jf) throws Exception {
147 super(null);
148 this.jf = jf;
149 }
150
151 protected Class<?> findClass(String name) throws ClassNotFoundException {
152 try {
153 byte[] b;
154 String entryName = name.replace(".", "/") + ".class";
155 JarEntry je = jf.getJarEntry(entryName);
156 if (je != null) {
157 try (InputStream is = jf.getInputStream(je)) {
158 b = new byte[(int) je.getSize()];
159 is.read(b);
160 }
161 return defineClass(name, b, 0, b.length);
162 }
163 throw new ClassNotFoundException(name);
164 } catch (IOException x) {
165 throw new ClassNotFoundException(x.getMessage());
166 }
167 }
168 }
169
170 @Test
171 public void testGetResourceAsStream() throws Exception {
172 String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java";
173 // use fileRootClass as a base for getting resources
174 getResourceAsStream(rootClass, resource);
175 }
176
177 protected void getResourceAsStream(Class<?> rootClass, String resource) throws Exception {
178 try (InputStream is = rootClass.getResourceAsStream(resource)) {
179 byte[] bytes = is.readAllBytes();
180 resource = new String(bytes);
181 }
182 String match = "return " + rtVersion + ";";
183 Assert.assertTrue(resource.contains(match));
184 }
185
186 @Test
187 public void testGetResource() throws Exception {
188 String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java";
189 // use rootClass as a base for getting resources
190 getResource(rootClass, resource);
191 }
192
193 protected void getResource(Class<?> rootClass, String resource) throws Exception {
194 URL url = rootClass.getResource(resource);
195 try (InputStream is = url.openStream()) {
196 byte[] bytes = is.readAllBytes();
197 resource = new String(bytes);
198 }
199 String match = "return " + rtVersion + ";";
200 Assert.assertTrue(resource.contains(match));
201 }
202 }