Mercurial > jdk8-mips64-public > langtools / file revision

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  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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  */

 /*

  * @test

  * @bug 8176329

  * @summary Test for jdeps warning when it encounters a multi-release jar

  * @run testng MRJarWarning

  */

 import java.io.IOException;

 import java.io.OutputStream;

 import java.io.PrintWriter;

 import java.io.StringWriter;

 import java.nio.file.Files;

 import java.nio.file.Path;

 import java.nio.file.Paths;

 import java.util.Arrays;

 import java.util.Collections;

 import java.util.List;

 import java.util.Locale;

 import java.util.jar.Attributes;

 import java.util.jar.JarEntry;

 import java.util.jar.JarOutputStream;

 import java.util.jar.Manifest;

 import org.testng.Assert;

 import org.testng.annotations.BeforeSuite;

 import org.testng.annotations.DataProvider;

 import org.testng.annotations.Test;

 public class MRJarWarning {

     private static final String WARNING = " is a multi-release jar file";

     private static final String MRJAR_ATTR = "Multi-Release";

     Path mrjar1;

     Path mrjar2;

     Path nonMRjar;

     Path mrjarAllCaps;

     private Attributes defaultAttributes;

     @BeforeSuite

     public void setup() throws IOException {

         defaultAttributes = new Attributes();

         defaultAttributes.putValue("Manifest-Version", "1.0");

         defaultAttributes.putValue("Created-By", "1.8.0-internal");

         mrjar1   = Paths.get("mrjar1.jar");

         mrjar2   = Paths.get("mrjar2.jar");

         nonMRjar = Paths.get("nonMRjar.jar");

         mrjarAllCaps = Paths.get("mrjarAllCaps.jar");

         Attributes mrJarAttrs = new Attributes(defaultAttributes);

         mrJarAttrs.putValue(MRJAR_ATTR, "true");

         build(mrjar1, mrJarAttrs);

         build(mrjar2, mrJarAttrs);

         build(nonMRjar, defaultAttributes);

         // JEP 238 - "Multi-Release JAR Files" states that the attribute name

         // and value are case insensitive.  Try with all caps to ensure that

         // jdeps still recognizes a multi-release jar.

         Attributes allCapsAttrs = new Attributes(defaultAttributes);

         allCapsAttrs.putValue(MRJAR_ATTR.toUpperCase(), "TRUE");

         build(mrjarAllCaps, allCapsAttrs);

     }

     @DataProvider(name="provider")

     private Object[][] args() {

         // jdeps warning messages may be localized.

         // This test only checks for the English version.  Return an empty

         // array (skip testing) if the default language is not English.

         String language = Locale.getDefault().getLanguage();

         System.out.println("Language: " + language);

         if ("en".equals(language)) {

             return new Object[][] {

                 // one mrjar arg

                 {   Arrays.asList(mrjar1.toString()),

                     Arrays.asList(mrjar1)},

                 // two mrjar args

                 {   Arrays.asList(mrjar1.toString(), mrjar2.toString()),

                     Arrays.asList(mrjar1, mrjar2)},

                 // one mrjar arg, with mrjar on classpath

                 {   Arrays.asList("-cp", mrjar2.toString(), mrjar1.toString()),

                     Arrays.asList(mrjar1, mrjar2)},

                 // non-mrjar arg, with mrjar on classpath

                 {   Arrays.asList("-cp", mrjar1.toString(), nonMRjar.toString()),

                     Arrays.asList(mrjar1)},

                 // mrjar arg with jar attribute name/value in ALL CAPS

                 {   Arrays.asList(mrjarAllCaps.toString()),

                     Arrays.asList(mrjarAllCaps)},

                 // non-mrjar arg

                 {   Arrays.asList(nonMRjar.toString()),

                     Collections.emptyList()}

             };

         } else {

             System.out.println("Non-English language \""+ language +

                     "\"; test passes superficially");

             return new Object[][]{};

         }

     }

     /* Run jdeps with the arguments given in 'args', and confirm that a warning

      * is issued for each Multi-Release jar in 'expectedMRpaths'.

      */

     @Test(dataProvider="provider")

     public void checkWarning(List<String> args, List<Path> expectedMRpaths) {

         StringWriter sw = new StringWriter();

         PrintWriter pw = new PrintWriter(sw);

         int rc = com.sun.tools.jdeps.Main.run(args.toArray(new String[args.size()]), pw);

         pw.close();

         expectedMRJars(sw.toString(), expectedMRpaths);

         Assert.assertEquals(rc, 0, "non-zero exit code from jdeps");

     }

     /* Confirm that warnings for the specified paths are in the output (or that

      * warnings are absent if 'paths' is empty).

      * Doesn't check for extra, unexpected warnings.

      */

     private static void expectedMRJars(String output, List<Path> paths) {

         if (paths.isEmpty()) {

             Assert.assertFalse(output.contains(WARNING),

                                "Expected no mrjars, but found:\n" + output);

         } else {

             for (Path path : paths) {

                 String expect = "Warning: " + path.toString() + WARNING;

                 Assert.assertTrue(output.contains(expect),

                         "Did not find:\n" + expect + "\nin:\n" + output + "\n");

             }

         }

     }

     /* Build a jar at the expected path, containing the given attributes */

     private static void build(Path path, Attributes attributes) throws IOException {

         try (OutputStream os = Files.newOutputStream(path);

              JarOutputStream jos = new JarOutputStream(os)) {

             JarEntry me = new JarEntry("META-INF/MANIFEST.MF");

             jos.putNextEntry(me);

             Manifest manifest = new Manifest();

             manifest.getMainAttributes().putAll(attributes);

             manifest.write(jos);

             jos.closeEntry();

         }

     }

 }