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 8156499
27 * @summary Test image creation from Multi-Release JAR
28 * @author Steve Drach
29 * @library /lib/testlibrary
30 * @modules java.base/jdk.internal.jimage
31 * jdk.jartool/sun.tools.jar
32 * jdk.jlink/jdk.tools.jlink.internal
33 * @build CompilerUtils
34 * @run testng JLinkMultiReleaseJarTest
35 */
36
37 import java.io.IOException;
38 import java.io.PrintWriter;
39 import java.lang.invoke.MethodHandle;
40 import java.lang.invoke.MethodHandles;
41 import java.lang.invoke.MethodType;
42 import java.nio.file.FileVisitResult;
43 import java.nio.file.Files;
44 import java.nio.file.Path;
45 import java.nio.file.Paths;
46 import java.nio.file.SimpleFileVisitor;
47 import java.nio.file.attribute.BasicFileAttributes;
48 import java.util.Arrays;
49 import java.util.Set;
50 import java.util.jar.JarFile;
51 import java.util.stream.Collectors;
52 import java.util.stream.Stream;
53
54 import jdk.internal.jimage.BasicImageReader;
55
56 import org.testng.Assert;
57 import org.testng.annotations.AfterClass;
58 import org.testng.annotations.BeforeClass;
59 import org.testng.annotations.Test;
60
61 public class JLinkMultiReleaseJarTest {
62 private Path userdir;
63 private Path javahome;
64
65 @BeforeClass
66 public void initialize() throws IOException {
67 Path srcdir = Paths.get(System.getProperty("test.src"));
68 userdir = Paths.get(System.getProperty("user.dir", "."));
69 javahome = Paths.get(System.getProperty("java.home"));
70
71 // create class files from source
72 Path base = srcdir.resolve("base");
73 Path basemods = userdir.resolve("basemods");
74 CompilerUtils.compile(base, basemods, "-modulesourcepath", base.toString());
75
76 Path rt = srcdir.resolve("rt");
77 Path rtmods = userdir.resolve("rtmods");
78 CompilerUtils.compile(rt, rtmods, "-modulesourcepath", rt.toString());
79
80 // copy resource into basemods
81 Path resource = base.resolve("m1").resolve("resources.txt");
82 Path dest = basemods.resolve("m1").resolve("resources.txt");
83 Files.copy(resource, dest);
84
85 // build multi-release jar file
86 sun.tools.jar.Main jartool = new sun.tools.jar.Main(System.out, System.err, "jar");
87 String args = "-cf m1.jar -C basemods/m1 . --release "
88 + JarFile.runtimeVersion().major() + " -C rtmods/m1 .";
89 jartool.run(args.split(" +"));
90 }
91
92 //@AfterClass
93 public void close() throws IOException {
94 Files.walkFileTree(userdir, new SimpleFileVisitor<>() {
95 @Override
96 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
97 throws IOException
98 {
99 Files.delete(file);
100 return FileVisitResult.CONTINUE;
101 }
102 @Override
103 public FileVisitResult postVisitDirectory(Path dir, IOException e)
104 throws IOException
105 {
106 if (dir.equals(userdir)) {
107 return FileVisitResult.CONTINUE;
108 }
109 if (e == null) {
110 Files.delete(dir);
111 return FileVisitResult.CONTINUE;
112 } else {
113 // directory iteration failed
114 throw e;
115 }
116 }
117 });
118 }
119
120 @Test
121 public void test() throws Throwable {
122 // check that there are only packaged modules (.jmod files) for modulepath
123 Path jmodsdir = javahome.resolve("jmods");
124 try (Stream<Path> jmods = Files.walk(jmodsdir, 1)) {
125 if (!jmods
126 .filter(path -> !path.equals(jmodsdir))
127 .filter(path -> !path.toString().endsWith(".jmod"))
128 .collect(Collectors.toSet())
129 .isEmpty()
130 ) {
131 throw new Exception("Exploded modules found");
132 }
133 }
134
135 // use jlink to build image from multi-release jar
136 String args = "--output myimage --add-modules m1 --module-path m1.jar:"
137 + jmodsdir.toString();
138 int exitCode = jdk.tools.jlink.internal.Main.run(args.split(" +"),
139 new PrintWriter(System.out));
140 Assert.assertEquals(exitCode, 0);
141
142 // validate image
143 Path jimage = userdir.resolve("myimage").resolve("lib").resolve("modules");
144 BasicImageReader reader = BasicImageReader.open(jimage);
145
146 // do we have the right entry names?
147 Set<String> names = Arrays.stream(reader.getEntryNames())
148 .filter(n -> n.startsWith("/m1"))
149 .collect(Collectors.toSet());
150 Assert.assertEquals(names, Set.of(
151 "/m1/module-info.class",
152 "/m1/p/Main.class",
153 "/m1/p/Type.class",
154 "/m1/resources.txt"));
155
156 // do we have the right code?
157 byte[] b = reader.getResource("/m1/p/Main.class");
158 Class<?> clazz = (new ByteArrayClassLoader()).loadClass("p.Main", b);
159 MethodHandle getVersion = MethodHandles.lookup()
160 .findVirtual(clazz, "getVersion", MethodType.methodType(int.class));
161 int version = (int)getVersion.invoke(clazz.getConstructor().newInstance());
162 Assert.assertEquals(version, JarFile.runtimeVersion().major());
163 }
164
165 private static class ByteArrayClassLoader extends ClassLoader {
166 public Class<?> loadClass(String name, byte[] bytes) {
167 return defineClass(name, bytes, 0, bytes.length);
168 }
169 }
170 }