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.jar.JarFile;
49
50 import jdk.internal.jimage.BasicImageReader;
51
52 import org.testng.Assert;
53 import org.testng.annotations.AfterClass;
54 import org.testng.annotations.BeforeClass;
55 import org.testng.annotations.Test;
56
57 public class JLinkMultiReleaseJarTest {
58 private Path userdir;
59 private Path javahome;
60
61 @BeforeClass
62 public void initialize() throws IOException {
63 Path srcdir = Paths.get(System.getProperty("test.src"));
64 userdir = Paths.get(System.getProperty("user.dir", "."));
65 javahome = Paths.get(System.getProperty("java.home"));
66
67 // create class files from source
68 Path base = srcdir.resolve("base");
69 Path basemods = userdir.resolve("basemods");
70 CompilerUtils.compile(base, basemods, "-modulesourcepath", base.toString());
71
72 Path rt = srcdir.resolve("rt");
73 Path rtmods = userdir.resolve("rtmods");
74 CompilerUtils.compile(rt, rtmods, "-modulesourcepath", rt.toString());
75
76 // build multi-release jar file
77 sun.tools.jar.Main jartool = new sun.tools.jar.Main(System.out, System.err, "jar");
78 String args = "-cf m1.jar -C basemods/m1 . --release "
79 + JarFile.runtimeVersion().major() + " -C rtmods/m1 .";
80 jartool.run(args.split(" +"));
81 }
82
83 @AfterClass
84 public void close() throws IOException {
85 Files.walkFileTree(userdir, new SimpleFileVisitor<>() {
86 @Override
87 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
88 throws IOException
89 {
90 Files.delete(file);
91 return FileVisitResult.CONTINUE;
92 }
93 @Override
94 public FileVisitResult postVisitDirectory(Path dir, IOException e)
95 throws IOException
96 {
97 if (dir.equals(userdir)) {
98 return FileVisitResult.CONTINUE;
99 }
100 if (e == null) {
101 Files.delete(dir);
102 return FileVisitResult.CONTINUE;
103 } else {
104 // directory iteration failed
105 throw e;
106 }
107 }
108 });
109 }
110
111 @Test
112 public void test() throws Throwable {
113 // use jlink to build image from multi-release jar
114 String args = "--output myimage --addmods m1 --modulepath m1.jar:"
115 + javahome + "/jmods";
116 int exitCode = jdk.tools.jlink.internal.Main.run(args.split(" +"),
117 new PrintWriter(System.out));
118 Assert.assertEquals(exitCode, 0);
119
120 // validate image
121 Path jimage = userdir.resolve("myimage").resolve("lib").resolve("modules");
122 BasicImageReader reader = BasicImageReader.open(jimage);
123 byte[] b = reader.getResource("/m1/p/Main.class");
124 Class<?> clazz = (new ByteArrayClassLoader()).loadClass("p.Main", b);
125 MethodHandle getVersion = MethodHandles.lookup()
126 .findVirtual(clazz, "getVersion", MethodType.methodType(int.class));
127 int version = (int)getVersion.invoke(clazz.getConstructor().newInstance());
128 Assert.assertEquals(version, JarFile.runtimeVersion().major());
129 }
130
131 private static class ByteArrayClassLoader extends ClassLoader {
132 public Class<?> loadClass(String name, byte[] bytes) {
133 return defineClass(name, bytes, 0, bytes.length);
134 }
135 }
136 }