1 /*
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   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).
  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 extended API and the aliasing additions in JarFile that
  28  *          support multi-release jar files
  29  * @library /lib/testlibrary/java/util/jar
  30  * @build Compiler JarBuilder CreateMultiReleaseTestJars
  31  * @run testng MultiReleaseJarAPI
  32  */
  33 
  34 import java.io.File;
  35 import java.io.IOException;
  36 import java.io.InputStream;
  37 import java.nio.file.Files;
  38 import java.util.Arrays;
  39 import java.util.jar.JarFile;
  40 import java.util.zip.ZipEntry;
  41 import java.util.zip.ZipFile;
  42 
  43 import static java.util.jar.JarFile.Release;
  44 import static sun.misc.Version.jdkMajorVersion;  // fixme JEP 223 Version
  45 
  46 import org.testng.Assert;
  47 import org.testng.annotations.AfterClass;
  48 import org.testng.annotations.BeforeClass;
  49 import org.testng.annotations.Test;
  50 
  51 
  52 public class MultiReleaseJarAPI {
  53     String userdir = System.getProperty("user.dir",".");
  54     File unversioned = new File(userdir, "unversioned.jar");
  55     File multirelease = new File(userdir, "multi-release.jar");
  56     File signedmultirelease = new File(userdir, "signed-multi-release.jar");
  57     Release[] values = JarFile.Release.values();
  58 
  59 
  60     @BeforeClass
  61     public void initialize() throws Exception {
  62         CreateMultiReleaseTestJars creator =  new CreateMultiReleaseTestJars();
  63         creator.compileEntries();
  64         creator.buildUnversionedJar();
  65         creator.buildMultiReleaseJar();
  66         creator.buildSignedMultiReleaseJar();
  67     }
  68 
  69     @AfterClass
  70     public void close() throws IOException {
  71         Files.delete(unversioned.toPath());
  72         Files.delete(multirelease.toPath());
  73         Files.delete(signedmultirelease.toPath());
  74     }
  75 
  76     @Test
  77     public void isMultiReleaseJar() throws Exception {
  78         try (JarFile jf = new JarFile(unversioned)) {
  79             Assert.assertFalse(jf.isMultiRelease());
  80         }
  81 
  82         try (JarFile jf = new JarFile(multirelease)) {
  83             Assert.assertTrue(jf.isMultiRelease());
  84         }
  85     }
  86 
  87     @Test
  88     public void testVersioning() throws Exception {
  89         // multi-release jar
  90         JarFile jar = new JarFile(multirelease);
  91         Assert.assertEquals(Release.BASE, jar.getVersion());
  92         jar.close();
  93 
  94         for (Release value : values) {
  95             System.err.println("test versioning for Release " + value);
  96             try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, value)) {
  97                 Assert.assertEquals(value, jf.getVersion());
  98             }
  99         }
 100 
 101         // regular, unversioned, jar
 102         for (Release value : values) {
 103             try (JarFile jf = new JarFile(unversioned, true, ZipFile.OPEN_READ, value)) {
 104                 Assert.assertEquals(Release.BASE, jf.getVersion());
 105             }
 106         }
 107 
 108         // assure that we have a Release object corresponding to the actual runtime version
 109         String version = "VERSION_" + jdkMajorVersion();
 110         boolean runtimeVersionExists = false;
 111         for (Release value : values) {
 112             if (version.equals(value.name())) runtimeVersionExists = true;
 113         }
 114         Assert.assertTrue(runtimeVersionExists);
 115     }
 116 
 117     @Test
 118     public void testAliasing() throws Exception {
 119         for (Release value : values) {
 120             System.err.println("test aliasing for Release " + value);
 121             String name = value.name();
 122             String prefix;
 123             if (name.equals("BASE")) {
 124                 prefix = "";
 125             } else if (name.equals("RUNTIME")) {
 126                 prefix = "META-INF/versions/" + jdkMajorVersion() + "/";
 127             } else {
 128                 prefix = "META-INF/versions/" + name.substring(8) + "/";
 129             }
 130             // test both multi-release jars
 131             readAndCompare(multirelease, value, "README", prefix + "README");
 132             readAndCompare(multirelease, value, "version/Version.class", prefix + "version/Version.class");
 133             // and signed multi-release jars
 134             readAndCompare(signedmultirelease, value, "README", prefix + "README");
 135             readAndCompare(signedmultirelease, value, "version/Version.class", prefix + "version/Version.class");
 136         }
 137     }
 138 
 139     private void readAndCompare(File jar, Release version, String name, String realName) throws Exception {
 140         byte[] baseBytes;
 141         byte[] versionedBytes;
 142         try (JarFile jf = new JarFile(jar, true, ZipFile.OPEN_READ, Release.BASE)) {
 143             ZipEntry ze = jf.getEntry(realName);
 144             try (InputStream is = jf.getInputStream(ze)) {
 145                 baseBytes = is.readAllBytes();
 146             }
 147         }
 148         assert baseBytes.length > 0;
 149 
 150         try (JarFile jf = new JarFile(jar, true, ZipFile.OPEN_READ, version)) {
 151             ZipEntry ze = jf.getEntry(name);
 152             try (InputStream is = jf.getInputStream(ze)) {
 153                 versionedBytes = is.readAllBytes();
 154             }
 155         }
 156         assert versionedBytes.length > 0;
 157 
 158         Assert.assertTrue(Arrays.equals(baseBytes, versionedBytes));
 159     }
 160 
 161     @Test
 162     public void testNames() throws Exception {
 163         String rname = "version/Version.class";
 164         String vname = "META-INF/versions/9/version/Version.class";
 165         ZipEntry ze1;
 166         ZipEntry ze2;
 167         try (JarFile jf = new JarFile(multirelease)) {
 168             ze1 = jf.getEntry(vname);
 169         }
 170         Assert.assertEquals(ze1.getName(), vname);
 171         try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, Release.VERSION_9)) {
 172             ze2 = jf.getEntry(rname);
 173         }
 174         Assert.assertEquals(ze2.getName(), rname);
 175         Assert.assertNotEquals(ze1.getName(), ze2.getName());
 176     }
 177 }