1 /*
2 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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).
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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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 */
23
24 /*
25 * @test
26 * @bug 8144355 8144062 8176709 8194070 8193802
27 * @summary Test aliasing additions to ZipFileSystem for multi-release jar files
28 * @library /lib/testlibrary/java/util/jar
29 * @modules jdk.compiler
30 * jdk.jartool
31 * jdk.zipfs
32 * @build Compiler JarBuilder CreateMultiReleaseTestJars
33 * @run testng MultiReleaseJarTest
34 */
35
36 import java.io.IOException;
37 import java.lang.invoke.MethodHandle;
38 import java.lang.invoke.MethodHandles;
39 import java.lang.invoke.MethodType;
40 import java.lang.Runtime.Version;
41 import java.net.URI;
42 import java.nio.file.*;
43 import java.util.HashMap;
44 import java.util.Map;
45 import java.util.concurrent.atomic.AtomicInteger;
46
47 import org.testng.Assert;
48 import org.testng.annotations.*;
49
50 public class MultiReleaseJarTest {
51 final private int MAJOR_VERSION = Runtime.version().feature();
52
53 final private String userdir = System.getProperty("user.dir",".");
54 final private CreateMultiReleaseTestJars creator = new CreateMultiReleaseTestJars();
55 final private Map<String,String> stringEnv = new HashMap<>();
56 final private Map<String,Integer> integerEnv = new HashMap<>();
57 final private Map<String,Version> versionEnv = new HashMap<>();
58 final private String className = "version.Version";
59 final private MethodType mt = MethodType.methodType(int.class);
60
61 private String entryName;
62 private URI uvuri;
63 private URI mruri;
64 private URI smruri;
65
66 @BeforeClass
67 public void initialize() throws Exception {
68 creator.compileEntries();
69 creator.buildUnversionedJar();
70 creator.buildMultiReleaseJar();
71 creator.buildShortMultiReleaseJar();
72 String ssp = Paths.get(userdir, "unversioned.jar").toUri().toString();
73 uvuri = new URI("jar", ssp , null);
74 ssp = Paths.get(userdir, "multi-release.jar").toUri().toString();
75 mruri = new URI("jar", ssp, null);
76 ssp = Paths.get(userdir, "short-multi-release.jar").toUri().toString();
77 smruri = new URI("jar", ssp, null);
78 entryName = className.replace('.', '/') + ".class";
79 }
80
81 public void close() throws IOException {
82 Files.delete(Paths.get(userdir, "unversioned.jar"));
83 Files.delete(Paths.get(userdir, "multi-release.jar"));
84 Files.delete(Paths.get(userdir, "short-multi-release.jar"));
85 }
86
87 @DataProvider(name="strings")
88 public Object[][] createStrings() {
89 return new Object[][]{
90 {"runtime", MAJOR_VERSION},
91 {"-20", 8},
92 {"0", 8},
93 {"8", 8},
94 {"9", 9},
95 {Integer.toString(MAJOR_VERSION), MAJOR_VERSION},
96 {Integer.toString(MAJOR_VERSION+1), MAJOR_VERSION},
97 {"50", MAJOR_VERSION}
98 };
99 }
100
101 @DataProvider(name="integers")
102 public Object[][] createIntegers() {
103 return new Object[][] {
104 {Integer.valueOf(-5), 8},
105 {Integer.valueOf(0), 8},
106 {Integer.valueOf(8), 8},
107 {Integer.valueOf(9), 9},
108 {Integer.valueOf(MAJOR_VERSION), MAJOR_VERSION},
109 {Integer.valueOf(MAJOR_VERSION + 1), MAJOR_VERSION},
110 {Integer.valueOf(100), MAJOR_VERSION}
111 };
112 }
113
114 @DataProvider(name="versions")
115 public Object[][] createVersions() {
116 return new Object[][] {
117 {Version.parse("8"), 8},
118 {Version.parse("9"), 9},
119 {Version.parse(Integer.toString(MAJOR_VERSION)), MAJOR_VERSION},
120 {Version.parse(Integer.toString(MAJOR_VERSION) + 1), MAJOR_VERSION},
121 {Version.parse("100"), MAJOR_VERSION}
122 };
123 }
124
125 // Not the best test but all I can do since ZipFileSystem and JarFileSystem
126 // are not public, so I can't use (fs instanceof ...)
127 @Test
128 public void testNewFileSystem() throws Exception {
129 Map<String,String> env = new HashMap<>();
130 // no configuration, treat multi-release jar as unversioned
131 try (FileSystem fs = FileSystems.newFileSystem(mruri, env)) {
132 Assert.assertTrue(readAndCompare(fs, 8));
133 }
134 env.put("multi-release", "runtime");
135 // a configuration and jar file is multi-release
136 try (FileSystem fs = FileSystems.newFileSystem(mruri, env)) {
137 Assert.assertTrue(readAndCompare(fs, MAJOR_VERSION));
138 }
139 // a configuration but jar file is unversioned
140 try (FileSystem fs = FileSystems.newFileSystem(uvuri, env)) {
141 Assert.assertTrue(readAndCompare(fs, 8));
142 }
143 }
144
145 private boolean readAndCompare(FileSystem fs, int expected) throws IOException {
146 Path path = fs.getPath("version/Version.java");
147 String src = new String(Files.readAllBytes(path));
148 return src.contains("return " + expected);
149 }
150
151 @Test(dataProvider="strings")
152 public void testStrings(String value, int expected) throws Throwable {
153 stringEnv.put("multi-release", value);
154 runTest(stringEnv, expected);
155 }
156
157 @Test(dataProvider="integers")
158 public void testIntegers(Integer value, int expected) throws Throwable {
159 integerEnv.put("multi-release", value);
160 runTest(integerEnv, expected);
161 }
162
163 @Test(dataProvider="versions")
164 public void testVersions(Version value, int expected) throws Throwable {
165 versionEnv.put("multi-release", value);
166 runTest(versionEnv, expected);
167 }
168
169 @Test
170 public void testShortJar() throws Throwable {
171 integerEnv.put("multi-release", Integer.valueOf(MAJOR_VERSION));
172 runTest(smruri, integerEnv, MAJOR_VERSION);
173 integerEnv.put("multi-release", Integer.valueOf(9));
174 runTest(smruri, integerEnv, 8);
175 }
176
177 private void runTest(Map<String,?> env, int expected) throws Throwable {
178 runTest(mruri, env, expected);
179 }
180
181 private void runTest(URI uri, Map<String,?> env, int expected) throws Throwable {
182 try (FileSystem fs = FileSystems.newFileSystem(uri, env)) {
183 Path version = fs.getPath(entryName);
184 byte [] bytes = Files.readAllBytes(version);
185 Class<?> vcls = (new ByteArrayClassLoader(fs)).defineClass(className, bytes);
186 MethodHandle mh = MethodHandles.lookup().findVirtual(vcls, "getVersion", mt);
187 Assert.assertEquals((int)mh.invoke(vcls.getDeclaredConstructor().newInstance()), expected);
188 }
189 }
190
191 @Test
192 public void testIsMultiReleaseJar() throws Exception {
193 // Re-examine commented out tests as part of JDK-8176843
194 testCustomMultiReleaseValue("true", true);
195 testCustomMultiReleaseValue("true\r\nOther: value", true);
196 testCustomMultiReleaseValue("true\nOther: value", true);
197 //testCustomMultiReleaseValue("true\rOther: value", true);
198
199 testCustomMultiReleaseValue("false", false);
200 testCustomMultiReleaseValue(" true", false);
201 testCustomMultiReleaseValue("true ", false);
202 //testCustomMultiReleaseValue("true\n ", false);
203 //testCustomMultiReleaseValue("true\r ", false);
204 //testCustomMultiReleaseValue("true\n true", false);
205 //testCustomMultiReleaseValue("true\r\n true", false);
206 }
207
208 @Test
209 public void testMultiReleaseJarWithNonVersionDir() throws Exception {
210 String jfname = "multi-release-non-ver.jar";
211 Path jfpath = Paths.get(jfname);
212 URI uri = new URI("jar", jfpath.toUri().toString() , null);
213 JarBuilder jb = new JarBuilder(jfname);
214 jb.addAttribute("Multi-Release", "true");
215 jb.build();
216 Map<String,String> env = Map.of("multi-release", "runtime");
217 try (FileSystem fs = FileSystems.newFileSystem(uri, env)) {
218 Assert.assertTrue(true);
219 }
220 Files.delete(jfpath);
221 }
222
223 private static final AtomicInteger JAR_COUNT = new AtomicInteger(0);
224
225 private void testCustomMultiReleaseValue(String value, boolean expected)
226 throws Exception {
227 String fileName = "custom-mr" + JAR_COUNT.incrementAndGet() + ".jar";
228 creator.buildCustomMultiReleaseJar(fileName, value, Map.of(),
229 /*addEntries*/true);
230
231 Map<String,String> env = Map.of("multi-release", "runtime");
232 Path filePath = Paths.get(userdir, fileName);
233 String ssp = filePath.toUri().toString();
234 URI customJar = new URI("jar", ssp , null);
235 try (FileSystem fs = FileSystems.newFileSystem(customJar, env)) {
236 if (expected) {
237 Assert.assertTrue(readAndCompare(fs, MAJOR_VERSION));
238 } else {
239 Assert.assertTrue(readAndCompare(fs, 8));
240 }
241 }
242 Files.delete(filePath);
243 }
244
245 private static class ByteArrayClassLoader extends ClassLoader {
246 final private FileSystem fs;
247
248 ByteArrayClassLoader(FileSystem fs) {
249 super(null);
250 this.fs = fs;
251 }
252
253 @Override
254 public Class<?> loadClass(String name) throws ClassNotFoundException {
255 try {
256 return super.loadClass(name);
257 } catch (ClassNotFoundException x) {}
258 Path cls = fs.getPath(name.replace('.', '/') + ".class");
259 try {
260 byte[] bytes = Files.readAllBytes(cls);
261 return defineClass(name, bytes);
262 } catch (IOException x) {
263 throw new ClassNotFoundException(x.getMessage());
264 }
265 }
266
267 public Class<?> defineClass(String name, byte[] bytes) throws ClassNotFoundException {
268 if (bytes == null) throw new ClassNotFoundException("No bytes for " + name);
269 return defineClass(name, bytes, 0, bytes.length);
270 }
271 }
272 }