1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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   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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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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  20  * or visit www.oracle.com if you need additional information or have any
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  24 
  25 /*
  26  * @test MultiReleaseJars
  27  * @bug 8170105
  28  * @summary Test multi-release jar with AppCDS.
  29  * AppCDS does not support uncompressed oops
  30  * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
  31  * @library /test/lib
  32  * @modules java.base/jdk.internal.misc
  33  *          jdk.jartool/sun.tools.jar
  34  * @run main/othervm MultiReleaseJars
  35  */
  36 
  37 import java.io.File;
  38 import java.io.FileOutputStream;
  39 import java.io.PrintStream;
  40 import java.io.IOException;
  41 import jdk.test.lib.process.OutputAnalyzer;
  42 
  43 public class MultiReleaseJars {
  44 
  45     static final int MAJOR_VERSION = Runtime.version().major();
  46     static final String MAJOR_VERSION_STRING = String.valueOf(Runtime.version().major());
  47 
  48     static String[] getMain() {
  49         String[] sts = {
  50             "package version;",
  51             "public class Main {",
  52             "    public static void main(String[] args) {",
  53             "        Version version = new Version();",
  54             "        System.out.println(\"I am running on version \" + version.getVersion());",
  55             "    }",
  56             "}"
  57         };
  58         return sts;
  59     }
  60 
  61     static String[] getVersion(int version) {
  62         String[] sts = {
  63             "package version;",
  64             "public class Version {",
  65             "    public int getVersion(){ return " + version + "; }",
  66             "}"
  67         };
  68         return sts;
  69     }
  70 
  71     static void writeFile(File file, String... contents) throws Exception {
  72         if (contents == null) {
  73             throw new java.lang.RuntimeException("No input for writing to file" + file);
  74         }
  75         try (
  76              FileOutputStream fos = new FileOutputStream(file);
  77              PrintStream ps = new PrintStream(fos)
  78         ) {
  79             for (String str : contents) {
  80                 ps.println(str);
  81             }
  82         }
  83     }
  84 
  85     /* version.jar entries and files:
  86      * META-INF/
  87      * META-INF/MANIFEST.MF
  88      * version/
  89      * version/Main.class
  90      * version/Version.class
  91      * META-INF/versions/
  92      * META-INF/versions/<major-version>/
  93      * META-INF/versions/<major-version>/version/
  94      * META-INF/versions/<major-version>/version/Version.class
  95      */
  96     static void createClassFilesAndJar() throws Exception {
  97         String tempDir = System.getProperty("test.classes");
  98         File baseDir = new File(tempDir + File.separator + "base");
  99         File vDir    = new File(tempDir + File.separator + MAJOR_VERSION_STRING);
 100 
 101         baseDir.mkdirs();
 102         vDir.mkdirs();
 103 
 104         File fileMain = TestCommon.getOutputSourceFile("Main.java");
 105         writeFile(fileMain, getMain());
 106 
 107         File fileVersion = TestCommon.getOutputSourceFile("Version.java");
 108         writeFile(fileVersion, getVersion(7));
 109         JarBuilder.compile(baseDir.getAbsolutePath(), fileVersion.getAbsolutePath(), "--release", "7");
 110         JarBuilder.compile(baseDir.getAbsolutePath(), fileMain.getAbsolutePath(),
 111             "-cp", baseDir.getAbsolutePath(), "--release", MAJOR_VERSION_STRING);
 112 
 113         String[] meta = {
 114             "Multi-Release: true",
 115             "Main-Class: version.Main"
 116         };
 117         File metainf = new File(tempDir, "mf.txt");
 118         writeFile(metainf, meta);
 119 
 120         fileVersion = TestCommon.getOutputSourceFile("Version.java");
 121         writeFile(fileVersion, getVersion(MAJOR_VERSION));
 122         JarBuilder.compile(vDir.getAbsolutePath(), fileVersion.getAbsolutePath(), "--release", MAJOR_VERSION_STRING);
 123 
 124         JarBuilder.build("version", baseDir, metainf.getAbsolutePath(),
 125             "--release", MAJOR_VERSION_STRING, "-C", vDir.getAbsolutePath(), ".");
 126 
 127         // the following jar file is for testing case-insensitive "Multi-Release"
 128         // attibute name
 129         String[] meta2 = {
 130             "multi-Release: true",
 131             "Main-Class: version.Main"
 132         };
 133         metainf = new File(tempDir, "mf2.txt");
 134         writeFile(metainf, meta2);
 135         JarBuilder.build("version2", baseDir, metainf.getAbsolutePath(),
 136             "--release", MAJOR_VERSION_STRING, "-C", vDir.getAbsolutePath(), ".");
 137     }
 138 
 139     static void checkExecOutput(OutputAnalyzer output, String expectedOutput) throws Exception {
 140         try {
 141             TestCommon.checkExec(output, expectedOutput);
 142         } catch (java.lang.RuntimeException re) {
 143             String cause = re.getMessage();
 144             if (!expectedOutput.equals(cause)) {
 145                 throw re;
 146             }
 147         }
 148     }
 149 
 150     public static void main(String... args) throws Exception {
 151         // create version.jar which contains Main.class and Version.class.
 152         // Version.class has two versions: 8 and the current version.
 153         createClassFilesAndJar();
 154 
 155         String mainClass          = "version.Main";
 156         String loadInfo           = "[class,load] version.Version source: shared objects file";
 157         String appClasses[]       = {"version/Main", "version/Version"};
 158         String appJar             = TestCommon.getTestJar("version.jar");
 159         String appJar2            = TestCommon.getTestJar("version2.jar");
 160         String verboseMode        = "-verbose:class";
 161         String enableMultiRelease = "-Djdk.util.jar.enableMultiRelease=true";
 162         String jarVersion         = null;
 163         String expectedOutput     = null;
 164 
 165         // 1. default to highest version
 166         //    if META-INF/versions exists, no other commandline options like -Djdk.util.jar.version and
 167         //    -Djdk.util.jar.enableMultiRelease passed to vm
 168         OutputAnalyzer output = TestCommon.dump(appJar, appClasses);
 169         output.shouldContain("Loading classes to share: done.");
 170         output.shouldHaveExitValue(0);
 171 
 172         output = TestCommon.exec(appJar, verboseMode, mainClass);
 173         checkExecOutput(output, "I am running on version " + MAJOR_VERSION_STRING);
 174 
 175         // 2. Test versions 7 and the current major version.
 176         //    -Djdk.util.jar.enableMultiRelease=true (or force), default is true.
 177         //    a) -Djdk.util.jar.version=7 does not exist in jar.
 178         //        It will fallback to the root version which is also 7 in this test.
 179         //    b) -Djdk.util.jar.version=MAJOR_VERSION exists in the jar.
 180         for (int i : new int[] {7, MAJOR_VERSION}) {
 181             jarVersion = "-Djdk.util.jar.version=" + i;
 182             expectedOutput = "I am running on version " + i;
 183             output = TestCommon.dump(appJar, appClasses, enableMultiRelease, jarVersion);
 184             output.shouldContain("Loading classes to share: done.");
 185             output.shouldHaveExitValue(0);
 186 
 187             output = TestCommon.exec(appJar, verboseMode, mainClass);
 188             checkExecOutput(output, expectedOutput);
 189         }
 190 
 191         // 3. For unsupported version, 5 and current major version + 1, the multiversion
 192         // will be turned off, so it will use the default (root) version.
 193         for (int i : new int[] {5, MAJOR_VERSION + 1}) {
 194             jarVersion = "-Djdk.util.jar.version=" + i;
 195             output = TestCommon.dump(appJar, appClasses, enableMultiRelease, jarVersion);
 196             output.shouldHaveExitValue(0);
 197             // With the fix for 8172218, multi-release jar is being handled in
 198             // jdk corelib which doesn't emit the following warning message.
 199             //output.shouldContain("JDK" + i + " is not supported in multiple version jars");
 200 
 201             output = TestCommon.exec(appJar, verboseMode, mainClass);
 202             if (i == 5)
 203                 checkExecOutput(output, "I am running on version 7");
 204             else
 205                 checkExecOutput(output, "I am running on version " + MAJOR_VERSION_STRING);
 206         }
 207 
 208         // 4. If explicitly disabled from command line for multiversion jar, it will use default
 209         //    version at root regardless multiversion versions exists.
 210         //    -Djdk.util.jar.enableMultiRelease=false (not 'true' or 'force')
 211         for (int i = 6; i < MAJOR_VERSION + 1; i++) {
 212             jarVersion = "-Djdk.util.jar.version=" + i;
 213             output = TestCommon.dump(appJar, appClasses, "-Djdk.util.jar.enableMultiRelease=false", jarVersion);
 214             output.shouldHaveExitValue(0);
 215 
 216             output = TestCommon.exec(appJar, verboseMode, mainClass);
 217             expectedOutput = "I am running on version 7";
 218             checkExecOutput(output, expectedOutput);
 219         }
 220 
 221         // 5. Sanity test with -Xbootclasspath/a
 222         //    AppCDS behaves the same as the non-AppCDS case. A multi-release
 223         //    jar file in the -Xbootclasspath/a will be ignored.
 224         output = TestCommon.dump(appJar, appClasses, "-Xbootclasspath/a:" + appJar, enableMultiRelease, jarVersion);
 225         output.shouldContain("Loading classes to share: done.");
 226         output.shouldHaveExitValue(0);
 227 
 228         output = TestCommon.exec(appJar, "-Xbootclasspath/a:" + appJar, verboseMode, mainClass);
 229         checkExecOutput(output, "I am running on version 7");
 230 
 231         // 6. Sanity test case-insensitive "Multi-Release" attribute name
 232         output = TestCommon.dump(appJar2, appClasses);
 233         output.shouldContain("Loading classes to share: done.");
 234         output.shouldHaveExitValue(0);
 235 
 236         output = TestCommon.exec(appJar2, verboseMode, mainClass);
 237         checkExecOutput(output, "I am running on version " + MAJOR_VERSION_STRING);
 238     }
 239 }