1 /*
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   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
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  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.
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  23 
  24 /*
  25  * @test
  26  * @bug 8144355 8144062 8176709 8194070 8193802 8231093
  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                 {null, 8},
  92                 {"8", 8},
  93                 {"9", 9},
  94                 {Integer.toString(MAJOR_VERSION), MAJOR_VERSION},
  95                 {Integer.toString(MAJOR_VERSION+1), MAJOR_VERSION},
  96                 {"50", MAJOR_VERSION}
  97         };
  98     }
  99 
 100     @DataProvider(name="integers")
 101     public Object[][] createIntegers() {
 102         return new Object[][] {
 103                 {null, 8},
 104                 {Integer.valueOf(8), 8},
 105                 {Integer.valueOf(9), 9},
 106                 {Integer.valueOf(MAJOR_VERSION), MAJOR_VERSION},
 107                 {Integer.valueOf(MAJOR_VERSION + 1), MAJOR_VERSION},
 108                 {Integer.valueOf(100), MAJOR_VERSION}
 109         };
 110     }
 111 
 112     @DataProvider(name="versions")
 113     public Object[][] createVersions() {
 114         return new Object[][] {
 115                 {null,    8},
 116                 {Version.parse("8"),    8},
 117                 {Version.parse("9"),    9},
 118                 {Version.parse(Integer.toString(MAJOR_VERSION)),  MAJOR_VERSION},
 119                 {Version.parse(Integer.toString(MAJOR_VERSION) + 1),  MAJOR_VERSION},
 120                 {Version.parse("100"), MAJOR_VERSION}
 121         };
 122     }
 123 
 124     @DataProvider(name="invalidVersions")
 125     public Object[][] invalidVersions() {
 126         return new Object[][] {
 127                 {Map.of("releaseVersion", "")},
 128                 {Map.of("releaseVersion", "invalid")},
 129                 {Map.of("releaseVersion", "0")},
 130                 {Map.of("releaseVersion", "-1")},
 131                 {Map.of("releaseVersion", "11.0.1")},
 132                 {Map.of("releaseVersion",Integer.valueOf(0))},
 133                 {Map.of("releaseVersion",Integer.valueOf(-1))}
 134         };
 135     }
 136 
 137     // Not the best test but all I can do since ZipFileSystem and JarFileSystem
 138     // are not public, so I can't use (fs instanceof ...)
 139     @Test
 140     public void testNewFileSystem() throws Exception {
 141         Map<String,String> env = new HashMap<>();
 142         // no configuration, treat multi-release jar as unversioned
 143         try (FileSystem fs = FileSystems.newFileSystem(mruri, env)) {
 144             Assert.assertTrue(readAndCompare(fs, 8));
 145         }
 146         env.put("releaseVersion", "runtime");
 147         // a configuration and jar file is multi-release
 148         try (FileSystem fs = FileSystems.newFileSystem(mruri, env)) {
 149             Assert.assertTrue(readAndCompare(fs, MAJOR_VERSION));
 150         }
 151         // a configuration but jar file is unversioned
 152         try (FileSystem fs = FileSystems.newFileSystem(uvuri, env)) {
 153             Assert.assertTrue(readAndCompare(fs, 8));
 154         }
 155     }
 156 
 157     private boolean readAndCompare(FileSystem fs, int expected) throws IOException {
 158         Path path = fs.getPath("version/Version.java");
 159         String src = new String(Files.readAllBytes(path));
 160         return src.contains("return " + expected);
 161     }
 162 
 163     @Test(dataProvider="strings")
 164     public void testStrings(String value, int expected) throws Throwable {
 165         stringEnv.put("releaseVersion", value);
 166         runTest(stringEnv, expected);
 167     }
 168 
 169     @Test(dataProvider="integers")
 170     public void testIntegers(Integer value, int expected) throws Throwable {
 171         integerEnv.put("releaseVersion", value);
 172         runTest(integerEnv, expected);
 173     }
 174 
 175     @Test(dataProvider="versions")
 176     public void testVersions(Version value, int expected) throws Throwable {
 177         versionEnv.put("releaseVersion", value);
 178         runTest(versionEnv, expected);
 179     }
 180 
 181     @Test
 182     public void testShortJar() throws Throwable {
 183         integerEnv.put("releaseVersion", Integer.valueOf(MAJOR_VERSION));
 184         runTest(smruri, integerEnv, MAJOR_VERSION);
 185         integerEnv.put("releaseVersion", Integer.valueOf(9));
 186         runTest(smruri, integerEnv, 8);
 187     }
 188 
 189     /**
 190      * Validate that an invalid value for the "releaseVersion" property throws
 191      * an {@code IllegalArgumentException}
 192      * @param env Zip FS map
 193      * @throws Throwable  Exception thrown for anything other than the expected
 194      * IllegalArgumentException
 195      */
 196     @Test(dataProvider="invalidVersions")
 197     public void testInvalidVersions(Map<String,?> env) throws Throwable {
 198         Assert.assertThrows(IllegalArgumentException.class, () ->
 199                 FileSystems.newFileSystem(Path.of(userdir,
 200                         "multi-release.jar"), env));
 201     }
 202 
 203     // The following tests are for backwards compatibility to validate that
 204     // the original property still works
 205     @Test(dataProvider="strings")
 206     public void testMRStrings(String value, int expected) throws Throwable {
 207         stringEnv.clear();
 208         stringEnv.put("multi-release", value);
 209         runTest(stringEnv, expected);
 210     }
 211 
 212     @Test(dataProvider="integers")
 213     public void testMRIntegers(Integer value, int expected) throws Throwable {
 214         integerEnv.clear();
 215         integerEnv.put("multi-release", value);
 216         runTest(integerEnv, expected);
 217     }
 218 
 219     @Test(dataProvider="versions")
 220     public void testMRVersions(Version value, int expected) throws Throwable {
 221         versionEnv.clear();
 222         versionEnv.put("multi-release", value);
 223         runTest(versionEnv, expected);
 224     }
 225 
 226     private void runTest(Map<String,?> env, int expected) throws Throwable {
 227         runTest(mruri, env, expected);
 228     }
 229 
 230     private void runTest(URI uri, Map<String,?> env, int expected) throws Throwable {
 231         try (FileSystem fs = FileSystems.newFileSystem(uri, env)) {
 232             Path version = fs.getPath(entryName);
 233             byte [] bytes = Files.readAllBytes(version);
 234             Class<?> vcls = (new ByteArrayClassLoader(fs)).defineClass(className, bytes);
 235             MethodHandle mh = MethodHandles.lookup().findVirtual(vcls, "getVersion", mt);
 236             Assert.assertEquals((int)mh.invoke(vcls.getDeclaredConstructor().newInstance()), expected);
 237         }
 238     }
 239 
 240     @Test
 241     public void testIsMultiReleaseJar() throws Exception {
 242         // Re-examine commented out tests as part of JDK-8176843
 243         testCustomMultiReleaseValue("true", true);
 244         testCustomMultiReleaseValue("true\r\nOther: value", true);
 245         testCustomMultiReleaseValue("true\nOther: value", true);
 246         //testCustomMultiReleaseValue("true\rOther: value", true);
 247 
 248         testCustomMultiReleaseValue("false", false);
 249         testCustomMultiReleaseValue(" true", false);
 250         testCustomMultiReleaseValue("true ", false);
 251         //testCustomMultiReleaseValue("true\n ", false);
 252         //testCustomMultiReleaseValue("true\r ", false);
 253         //testCustomMultiReleaseValue("true\n true", false);
 254         //testCustomMultiReleaseValue("true\r\n true", false);
 255     }
 256 
 257     @Test
 258     public void testMultiReleaseJarWithNonVersionDir() throws Exception {
 259         String jfname = "multi-release-non-ver.jar";
 260         Path jfpath = Paths.get(jfname);
 261         URI uri = new URI("jar", jfpath.toUri().toString() , null);
 262         JarBuilder jb = new JarBuilder(jfname);
 263         jb.addAttribute("Multi-Release", "true");
 264         jb.build();
 265         Map<String,String> env = Map.of("releaseVersion", "runtime");
 266         try (FileSystem fs = FileSystems.newFileSystem(uri, env)) {
 267             Assert.assertTrue(true);
 268         }
 269         Files.delete(jfpath);
 270     }
 271 
 272     private static final AtomicInteger JAR_COUNT = new AtomicInteger(0);
 273 
 274     private void testCustomMultiReleaseValue(String value, boolean expected)
 275             throws Exception {
 276         String fileName = "custom-mr" + JAR_COUNT.incrementAndGet() + ".jar";
 277         creator.buildCustomMultiReleaseJar(fileName, value, Map.of(),
 278                 /*addEntries*/true);
 279 
 280         Map<String,String> env = Map.of("releaseVersion", "runtime");
 281         Path filePath = Paths.get(userdir, fileName);
 282         String ssp = filePath.toUri().toString();
 283         URI customJar = new URI("jar", ssp , null);
 284         try (FileSystem fs = FileSystems.newFileSystem(customJar, env)) {
 285             if (expected) {
 286                 Assert.assertTrue(readAndCompare(fs, MAJOR_VERSION));
 287             } else {
 288                 Assert.assertTrue(readAndCompare(fs, 8));
 289             }
 290         }
 291         Files.delete(filePath);
 292     }
 293 
 294     private static class ByteArrayClassLoader extends ClassLoader {
 295         final private FileSystem fs;
 296 
 297         ByteArrayClassLoader(FileSystem fs) {
 298             super(null);
 299             this.fs = fs;
 300         }
 301 
 302         @Override
 303         public Class<?> loadClass(String name) throws ClassNotFoundException {
 304             try {
 305                 return super.loadClass(name);
 306             } catch (ClassNotFoundException x) {}
 307             Path cls = fs.getPath(name.replace('.', '/') + ".class");
 308             try {
 309                 byte[] bytes = Files.readAllBytes(cls);
 310                 return defineClass(name, bytes);
 311             } catch (IOException x) {
 312                 throw new ClassNotFoundException(x.getMessage());
 313             }
 314         }
 315 
 316         public Class<?> defineClass(String name, byte[] bytes) throws ClassNotFoundException {
 317             if (bytes == null) throw new ClassNotFoundException("No bytes for " + name);
 318             return defineClass(name, bytes, 0, bytes.length);
 319         }
 320     }
 321 }