/* * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. * 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 * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @modules java.base/jdk.internal.misc * @modules java.base/jdk.internal.loader * java.logging * @library /test/lib * @run driver GetSysPkgTest */ import java.io.File; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import jdk.test.lib.compiler.InMemoryJavaCompiler; import jdk.test.lib.process.ProcessTools; import jdk.test.lib.process.OutputAnalyzer; // Test that JVM get_system_package() returns the module location for defined packages. public class GetSysPkgTest { private static Object invoke(Method m, Object obj, Object... args) throws Throwable { try { return m.invoke(obj, args); } catch (InvocationTargetException e) { throw e.getCause(); } } private static Method findMethod(String name) { for (Method m : jdk.internal.loader.BootLoader.class.getDeclaredMethods()) { if (m.getName().equals(name)) { m.setAccessible(true); return m; } } throw new RuntimeException("Failed to find method " + name + " in java.lang.Module"); } // Throw RuntimeException if getSystemPackageLocation() does not return // the expected location. static void getPkg(String name, String expected_loc) throws Throwable { String loc = (String)invoke(findMethod("getSystemPackageLocation"), null, name); if (loc == null) { if (expected_loc == null) return; System.out.println("Expected location: " + expected_loc + ", for package: " + name + ", got: null"); } else if (expected_loc == null) { System.out.println("Expected location: null, for package: " + name + ", got: " + loc); } else if (!loc.equals(expected_loc)) { System.out.println("Expected location: " + expected_loc + ", for package: " + name + ", got: " + loc); } else { return; } throw new RuntimeException(); } public static void main(String args[]) throws Throwable { if (args.length == 0 || !args[0].equals("do_tests")) { // Create a package found via -Xbootclasspath/a String source = "package BootLdr_package; " + "public class BootLdrPkg { " + " public int mth() { return 4; } " + "}"; byte[] klassbuf = InMemoryJavaCompiler.compile("BootLdr_package.BootLdrPkg", source); ClassFileInstaller.writeClassToDisk("BootLdr_package/BootLdrPkg", klassbuf, "bl_dir"); // Create a package found via -cp. source = "package GetSysPkg_package; " + "public class GetSysClass { " + " public int mth() { return 4; } " + "}"; klassbuf = InMemoryJavaCompiler.compile("GetSysPkg_package.GetSysClass", source); ClassFileInstaller.writeClassToDisk("GetSysPkg_package/GetSysClass", klassbuf); ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xbootclasspath/a:bl_dir", "--add-opens=java.base/jdk.internal.loader=ALL-UNNAMED", "-cp", "." + File.pathSeparator + System.getProperty("test.classes"), "GetSysPkgTest", "do_tests"); OutputAnalyzer output = new OutputAnalyzer(pb.start()); output.shouldHaveExitValue(0); return; } getPkg("java/lang", "jrt:/java.base"); getPkg("javax/script", null); // Package not defined // Test a package that does not yet have any referenced classes. // Note: if another class in com/sun/crypto/provider/ happens to get // loaded or if class PrivateKeyInfo disappears from this package // then this test will fail. getPkg("com/sun/crypto/provider", null); // Now make sure a class in the package is referenced. Class newClass = Class.forName("com.sun.crypto.provider.PrivateKeyInfo"); getPkg("com/sun/crypto/provider", "jrt:/java.base"); getPkg("java/nio/charset", "jrt:/java.base"); // Test a package in a module not owned by boot loader. Class clss = Class.forName("jdk.nio.zipfs.ZipPath"); if (clss == null) throw new RuntimeException("Could not find class jdk.nio.zipfs.ZipPath"); // Test a package not in jimage file. clss = Class.forName("GetSysPkg_package.GetSysClass"); if (clss == null) throw new RuntimeException("Could not find class GetSysPkg_package.GetSysClass"); getPkg("GetSysPkg_package", null); // Access a class with a package in a boot loader module other than java.base clss = Class.forName("java.util.logging.Level"); if (clss == null) throw new RuntimeException("Could not find class java.util.logging.Level"); getPkg("java/util/logging", "jrt:/java.logging"); // Test getting the package location from a class found via -Xbootclasspath/a clss = Class.forName("BootLdr_package.BootLdrPkg"); if (clss == null) throw new RuntimeException("Could not find class BootLdr_package.BootLdrPkg"); String bootldrPkg = (String)invoke(findMethod("getSystemPackageLocation"), null, "BootLdr_package"); if (bootldrPkg == null) { throw new RuntimeException("Expected BootLdr_package to return non-null value"); } if (!bootldrPkg.equals("bl_dir")) { throw new RuntimeException("Expected BootLdr_package to return bl_dir, got: " + bootldrPkg); } // Test when package's class reference is an array. // Note: if another class in javax/crypto happens to get loaded // or if class AEADBadTagException disappears from this package // then this test will fail. getPkg("javax/crypto", null); javax.crypto.AEADBadTagException[] blah = new javax.crypto.AEADBadTagException[3]; getPkg("javax/crypto", "jrt:/java.base"); } }