1 /* 2 * Copyright (c) 2015, 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 import java.io.File; 24 import java.net.URI; 25 import java.nio.file.FileSystem; 26 import java.nio.file.FileSystemNotFoundException; 27 import java.nio.file.FileSystems; 28 import java.nio.file.Files; 29 import java.nio.file.Path; 30 import java.nio.file.ProviderNotFoundException; 31 import java.util.ArrayList; 32 import java.util.Arrays; 33 import java.util.Collections; 34 import java.util.List; 35 import java.util.function.Consumer; 36 import java.util.stream.Stream; 37 38 import tests.Helper; 39 import tests.JImageGenerator; 40 import tests.JImageValidator; 41 42 import static java.nio.file.StandardCopyOption.REPLACE_EXISTING; 43 44 /* 45 * jimage testing. 46 * @test 47 * @summary Test jimage tool 48 * @library ../lib 49 * @modules java.base/jdk.internal.jimage 50 * jdk.jdeps/com.sun.tools.classfile 51 * jdk.jlink/jdk.tools.jmod 52 * jdk.jlink/jdk.tools.jlink 53 * jdk.jlink/jdk.tools.jimage 54 * jdk.jlink/jdk.tools.jlink.internal 55 * jdk.compiler 56 * @run build JImageTest 57 * @run build tests.* 58 * @run main/othervm -verbose:gc -Xmx1g JImageTest 59 */ 60 public class JImageTest { 61 62 public static void main(String[] args) throws Exception { 63 List<String> bootClasses = new ArrayList<>(); 64 65 FileSystem fs; 66 try { 67 fs = FileSystems.getFileSystem(URI.create("jrt:/")); 68 } catch (ProviderNotFoundException | FileSystemNotFoundException e) { 69 System.out.println("Not an image build, test skipped."); 70 return; 71 } 72 73 // Build the set of locations expected in the Image 74 Consumer<Path> c = (p) -> { 75 // take only the .class resources. 76 if (Files.isRegularFile(p) && p.toString().endsWith(".class") 77 && !p.toString().endsWith("module-info.class")) { 78 String loc = p.toString().substring("/modules".length()); 79 bootClasses.add(loc); 80 } 81 }; 82 83 Path javabase = fs.getPath("/modules/java.base"); 84 Path mgtbase = fs.getPath("/modules/java.management"); 85 try (Stream<Path> stream = Files.walk(javabase)) { 86 stream.forEach(c); 87 } 88 try (Stream<Path> stream = Files.walk(mgtbase)) { 89 stream.forEach(c); 90 } 91 92 if (bootClasses.isEmpty()) { 93 throw new RuntimeException("No boot class to check against"); 94 } 95 96 File jdkHome = new File(System.getProperty("test.jdk")); 97 // JPRT not yet ready for jmods 98 Helper helper = Helper.newHelper(); 99 if (helper == null) { 100 System.err.println("Test not run, NO jmods directory"); 101 return; 102 } 103 104 // Generate the sample image 105 String module = "mod1"; 106 String[] classes = {module + ".Main"}; 107 helper.generateDefaultJModule(module, Arrays.asList(classes), "java.management"); 108 109 Path image = helper.generateDefaultImage(module).assertSuccess(); 110 String imgName = "bootmodules.jimage"; 111 Path extractedDir = JImageGenerator.getJImageTask() 112 .dir(helper.createNewExtractedDir(imgName)) 113 .image(image.resolve("lib").resolve("modules").resolve(imgName)) 114 .extract().assertSuccess(); 115 116 Path recreatedImage = JImageGenerator.getJImageTask() 117 .dir(extractedDir) 118 .image(helper.createNewRecreatedDir(extractedDir.getFileName().toString())) 119 .recreate().assertSuccess(); 120 JImageValidator.validate(recreatedImage.toFile(), bootClasses, Collections.emptyList()); 121 122 // Check replacing the boot image by recreated one 123 Path destFile = image.resolve("lib").resolve("modules").resolve(imgName); 124 Files.copy(recreatedImage, destFile, REPLACE_EXISTING); 125 JImageValidator validator = new JImageValidator(module, Collections.emptyList(), 126 image.toFile(), Collections.emptyList(), Collections.emptyList()); 127 validator.validate(); 128 129 Path recreatedImage2 = JImageGenerator.getJImageTask() 130 .dir(extractedDir) 131 .option("--compress-resources") 132 .option("on") 133 .image(helper.createNewRecreatedDir(extractedDir.getFileName().toString())) 134 .recreate().assertSuccess(); 135 JImageValidator.validate(recreatedImage2.toFile(), bootClasses, Collections.emptyList()); 136 137 Path recreatedImage3 = JImageGenerator.getJImageTask() 138 .dir(extractedDir) 139 .option("--strip-java-debug") 140 .option("on") 141 .image(helper.createNewRecreatedDir(extractedDir.getFileName().toString())) 142 .recreate().assertSuccess(); 143 JImageValidator.validate(recreatedImage3.toFile(), bootClasses, Collections.emptyList()); 144 145 Path recreatedImage4 = JImageGenerator.getJImageTask() 146 .dir(extractedDir) 147 .option("--exclude-resources") 148 .option("*.jcov, */META-INF/*") 149 .image(helper.createNewRecreatedDir(extractedDir.getFileName().toString())) 150 .recreate().assertSuccess(); 151 List<String> unexpectedPaths = new ArrayList<>(); 152 unexpectedPaths.add(".jcov"); 153 unexpectedPaths.add("/META-INF/"); 154 JImageValidator.validate(recreatedImage4.toFile(), bootClasses, unexpectedPaths); 155 156 Path recreatedImage5 = JImageGenerator.getJImageTask() 157 .dir(extractedDir) 158 .option("--compress-resources") 159 .option("on") 160 .option("--strip-java-debug") 161 .option("on") 162 .option("--exclude-resources") 163 .option("*.jcov, */META-INF/*") 164 .image(helper.createNewRecreatedDir(extractedDir.getFileName().toString())) 165 .recreate().assertSuccess(); 166 JImageValidator.validate(recreatedImage5.toFile(), bootClasses, unexpectedPaths); 167 } 168 }