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 * @requires vm.cds 27 * @summary classes which are not useable during run time should not be included in the classlist 28 * @library /test/lib 29 * @modules java.base/jdk.internal.misc 30 * jdk.jartool/sun.tools.jar 31 * @build PatchModuleMain 32 * @run main PatchModuleClassList 33 */ 34 35 import java.nio.file.Files; 36 import java.nio.file.Paths; 37 import jdk.test.lib.compiler.InMemoryJavaCompiler; 38 import jdk.test.lib.process.OutputAnalyzer; 39 import jdk.test.lib.process.ProcessTools; 40 41 public class PatchModuleClassList { 42 private static final String BOOT_CLASS = "javax/naming/spi/NamingManager"; 43 private static final String PLATFORM_CLASS = "javax/transaction/InvalidTransactionException"; 44 45 public static void main(String args[]) throws Throwable { 46 // Case 1. A class to be loaded by the boot class loader 47 48 // Create a class file in the module java.naming. This class file 49 // will be put in the javanaming.jar file. 50 String source = "package javax.naming.spi; " + 51 "public class NamingManager { " + 52 " static { " + 53 " System.out.println(\"I pass!\"); " + 54 " } " + 55 "}"; 56 57 ClassFileInstaller.writeClassToDisk(BOOT_CLASS, 58 InMemoryJavaCompiler.compile(BOOT_CLASS.replace('/', '.'), source, "--patch-module=java.naming"), 59 System.getProperty("test.classes")); 60 61 // Build the jar file that will be used for the module "java.naming". 62 BasicJarBuilder.build("javanaming", BOOT_CLASS); 63 String moduleJar = BasicJarBuilder.getTestJar("javanaming.jar"); 64 65 String classList = "javanaming.list"; 66 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 67 true, 68 "-XX:DumpLoadedClassList=" + classList, 69 "--patch-module=java.naming=" + moduleJar, 70 "PatchModuleMain", BOOT_CLASS.replace('/', '.')); 71 new OutputAnalyzer(pb.start()).shouldHaveExitValue(0); 72 73 // check the generated classlist file 74 String content = new String(Files.readAllBytes(Paths.get(classList))); 75 if (content.indexOf(BOOT_CLASS) >= 0) { 76 throw new RuntimeException(BOOT_CLASS + " should not be in the classlist"); 77 } 78 79 // Case 2. A class to be loaded by the platform class loader 80 81 // Create a class file in the module java.transaction. This class file 82 // will be put in the javatransaction.jar file. 83 source = "package javax.transaction; " + 84 "public class InvalidTransactionException { " + 85 " static { " + 86 " System.out.println(\"I pass!\"); " + 87 " } " + 88 "}"; 89 90 ClassFileInstaller.writeClassToDisk(PLATFORM_CLASS, 91 InMemoryJavaCompiler.compile(PLATFORM_CLASS.replace('/', '.'), source, "--patch-module=java.transaction"), 92 System.getProperty("test.classes")); 93 94 // Build the jar file that will be used for the module "java.transaction". 95 BasicJarBuilder.build("javatransaction", PLATFORM_CLASS); 96 moduleJar = BasicJarBuilder.getTestJar("javatransaction.jar"); 97 98 classList = "javatransaction.list"; 99 pb = ProcessTools.createJavaProcessBuilder( 100 true, 101 "-XX:DumpLoadedClassList=" + classList, 102 "--patch-module=java.naming=" + moduleJar, 103 "PatchModuleMain", PLATFORM_CLASS.replace('/', '.')); 104 new OutputAnalyzer(pb.start()).shouldHaveExitValue(0); 105 106 // check the generated classlist file 107 content = new String(Files.readAllBytes(Paths.get(classList))); 108 if (content.indexOf(PLATFORM_CLASS) >= 0) { 109 throw new RuntimeException(PLATFORM_CLASS + " should not be in the classlist"); 110 } 111 112 // Case 3. A class to be loaded from the bootclasspath/a 113 114 // Create a simple class file 115 source = "public class Hello { " + 116 " public static void main(String args[]) { " + 117 " System.out.println(\"Hello\"); " + 118 " } " + 119 "}"; 120 121 ClassFileInstaller.writeClassToDisk("Hello", 122 InMemoryJavaCompiler.compile("Hello", source), 123 System.getProperty("test.classes")); 124 125 // Build hello.jar 126 BasicJarBuilder.build("hello", "Hello"); 127 moduleJar = BasicJarBuilder.getTestJar("hello.jar"); 128 129 classList = "hello.list"; 130 pb = ProcessTools.createJavaProcessBuilder( 131 true, 132 "-XX:DumpLoadedClassList=" + classList, 133 "-Xbootclasspath/a:" + moduleJar, 134 "Hello"); 135 new OutputAnalyzer(pb.start()).shouldHaveExitValue(0); 136 137 // check the generated classlist file 138 content = new String(Files.readAllBytes(Paths.get(classList))); 139 if (content.indexOf("Hello") < 0) { 140 throw new RuntimeException("Hello should be in the classlist"); 141 } 142 } 143 }