1 /* 2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. 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 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 8163798 27 * @summary basic tests for multi-release jar versioned streams 28 * @library /test/lib 29 * @modules jdk.jartool/sun.tools.jar java.base/jdk.internal.util.jar 30 * @build jdk.test.lib.Platform 31 * jdk.test.lib.util.FileUtils 32 * @run testng TestVersionedStream 33 */ 34 35 import org.testng.Assert; 36 import org.testng.annotations.AfterClass; 37 import org.testng.annotations.DataProvider; 38 import org.testng.annotations.Test; 39 40 import java.io.File; 41 import java.io.IOException; 42 import java.io.InputStream; 43 import java.io.UncheckedIOException; 44 import java.nio.file.Files; 45 import java.nio.file.Path; 46 import java.nio.file.Paths; 47 import java.util.ArrayList; 48 import java.util.Arrays; 49 import java.util.HashMap; 50 import java.util.Iterator; 51 import java.util.LinkedHashSet; 52 import java.util.List; 53 import java.util.Map; 54 import java.util.Set; 55 import java.util.jar.JarEntry; 56 import java.util.jar.JarFile; 57 import java.util.stream.Collectors; 58 import java.util.stream.Stream; 59 import java.util.zip.ZipFile; 60 61 import jdk.test.lib.util.FileUtils; 62 63 public class TestVersionedStream { 64 private final Path userdir; 65 private final Set<String> unversionedEntryNames; 66 67 public TestVersionedStream() throws IOException { 68 userdir = Paths.get(System.getProperty("user.dir", ".")); 69 70 // These are not real class files even though they end with .class. 71 // They are resource files so jar tool validation won't reject them. 72 // But they are what we want to test, especially q/Bar.class that 73 // could be in a concealed package if this was a modular multi-release 74 // jar. 75 createFiles( 76 "base/p/Bar.class", 77 "base/p/Foo.class", 78 "base/p/Main.class", 79 "v9/p/Foo.class", 80 "v10/p/Foo.class", 81 "v10/q/Bar.class", 82 "v11/p/Bar.class", 83 "v11/p/Foo.class" 84 ); 85 86 jar("cf mmr.jar -C base . --release 9 -C v9 . " + 87 "--release 10 -C v10 . --release 11 -C v11 ."); 88 89 System.out.println("Contents of mmr.jar\n======="); 90 91 try(JarFile jf = new JarFile("mmr.jar")) { 92 unversionedEntryNames = jf.stream() 93 .map(je -> je.getName()) 94 .peek(System.out::println) 95 .map(nm -> nm.startsWith("META-INF/versions/") 96 ? nm.replaceFirst("META-INF/versions/\\d+/", "") 97 : nm) 98 .collect(Collectors.toCollection(LinkedHashSet::new)); 99 } 100 101 System.out.println("======="); 102 } 103 104 @AfterClass 105 public void close() throws IOException { 106 Files.walk(userdir, 1) 107 .filter(p -> !p.equals(userdir)) 108 .forEach(p -> { 109 try { 110 if (Files.isDirectory(p)) { 111 FileUtils.deleteFileTreeWithRetry(p); 112 } else { 113 FileUtils.deleteFileIfExistsWithRetry(p); 114 } 115 } catch (IOException x) { 116 throw new UncheckedIOException(x); 117 } 118 }); 119 } 120 121 @DataProvider 122 public Object[][] data() { 123 return new Object[][] { 124 {Runtime.Version.parse("8")}, 125 {Runtime.Version.parse("9")}, 126 {Runtime.Version.parse("10")}, 127 {Runtime.Version.parse("11")}, 128 {JarFile.baseVersion()}, 129 {JarFile.runtimeVersion()} 130 }; 131 } 132 133 @Test(dataProvider="data") 134 public void test(Runtime.Version version) throws Exception { 135 try (JarFile jf = new JarFile(new File("mmr.jar"), false, ZipFile.OPEN_READ, version); 136 Stream<JarEntry> jes = jdk.internal.util.jar.VersionedStream.stream(jf)) 137 { 138 Assert.assertNotNull(jes); 139 140 // put versioned entries in list so we can reuse them 141 List<JarEntry> versionedEntries = jes.collect(Collectors.toList()); 142 143 Assert.assertTrue(versionedEntries.size() > 0); 144 145 // also keep the names 146 List<String> versionedNames = new ArrayList<>(versionedEntries.size()); 147 148 // verify the correct order while building enames 149 Iterator<String> allIt = unversionedEntryNames.iterator(); 150 Iterator<JarEntry> verIt = versionedEntries.iterator(); 151 boolean match = false; 152 153 while (verIt.hasNext()) { 154 match = false; 155 if (!allIt.hasNext()) break; 156 String name = verIt.next().getName(); 157 versionedNames.add(name); 158 while (allIt.hasNext()) { 159 if (name.equals(allIt.next())) { 160 match = true; 161 break; 162 } 163 } 164 } 165 if (!match) { 166 Assert.fail("versioned entries not in same order as unversioned entries"); 167 } 168 169 // verify the contents 170 Map<String,String> contents = new HashMap<>(); 171 contents.put("p/Bar.class", "base/p/Bar.class"); 172 contents.put("p/Main.class", "base/p/Main.class"); 173 switch (version.major()) { 174 case 8: 175 contents.put("p/Foo.class", "base/p/Foo.class"); 176 break; 177 case 9: 178 contents.put("p/Foo.class", "v9/p/Foo.class"); 179 break; 180 case 10: 181 contents.put("p/Foo.class", "v10/p/Foo.class"); 182 contents.put("q/Bar.class", "v10/q/Bar.class"); 183 break; 184 case 11: 185 contents.put("p/Bar.class", "v11/p/Bar.class"); 186 contents.put("p/Foo.class", "v11/p/Foo.class"); 187 contents.put("q/Bar.class", "v10/q/Bar.class"); 188 break; 189 default: 190 Assert.fail("Test out of date, please add more cases"); 191 } 192 193 contents.entrySet().stream().forEach(e -> { 194 String name = e.getKey(); 195 int i = versionedNames.indexOf(name); 196 Assert.assertTrue(i != -1, name + " not in enames"); 197 JarEntry je = versionedEntries.get(i); 198 try (InputStream is = jf.getInputStream(je)) { 199 String s = new String(is.readAllBytes()).replaceAll(System.lineSeparator(), ""); 200 Assert.assertTrue(s.endsWith(e.getValue()), s); 201 } catch (IOException x) { 202 throw new UncheckedIOException(x); 203 } 204 }); 205 } 206 } 207 208 private void createFiles(String... files) { 209 ArrayList<String> list = new ArrayList(); 210 Arrays.stream(files) 211 .map(f -> Paths.get(userdir.toAbsolutePath().toString(), f)) 212 .forEach(p -> { 213 try { 214 Files.createDirectories(p.getParent()); 215 Files.createFile(p); 216 list.clear(); 217 list.add(p.toString().replace(File.separatorChar, '/')); 218 Files.write(p, list); 219 } catch (IOException x) { 220 throw new UncheckedIOException(x); 221 }}); 222 } 223 224 private void jar(String args) { 225 new sun.tools.jar.Main(System.out, System.err, "jar") 226 .run(args.split(" +")); 227 } 228 }