/* * Copyright (c) 2020, 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 * @bug 8239384 * @library /test/lib * @build jdk.test.lib.Utils * jdk.test.lib.compiler.CompilerUtils * @run testng/othervm InheritedProtectedMethod * @summary Test method reference to a method inherited from its * superclass in a different package. Such method's modifier * is changed from public to protected. */ import jdk.test.lib.compiler.CompilerUtils; import jdk.test.lib.Utils; import org.testng.annotations.BeforeTest; import org.testng.annotations.DataProvider; import org.testng.annotations.Test; import java.io.IOException; import java.lang.reflect.Method; import java.net.URL; import java.net.URLClassLoader; import java.nio.file.Path; import java.nio.file.Paths; import static org.testng.Assert.*; public class InheritedProtectedMethod { private static final Path SRC_DIR = Paths.get(Utils.TEST_SRC, "src"); private static final Path CLASSES_DIR = Paths.get("classes"); @BeforeTest static void setup() throws IOException { assertTrue(CompilerUtils.compile(SRC_DIR, CLASSES_DIR)); // compile the modified version of MethodSupplierOuter.java Path file = Paths.get(Utils.TEST_SRC, "modified", "MethodSupplierOuter.java"); assertTrue(CompilerUtils.compile(file, CLASSES_DIR)); } @Test public static void run() throws Exception { URLClassLoader loader = new URLClassLoader("loader", new URL[]{ CLASSES_DIR.toUri().toURL()}, ClassLoader.getPlatformClassLoader()); Class methodInvokeClass = Class.forName("MethodInvoker", false, loader); Method invokeMethod = methodInvokeClass.getMethod("invoke"); String result = (String)invokeMethod.invoke(null); assertEquals(result, "protected inherited method"); } }