1 /* 2 * Copyright (c) 2020, 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 8239384 27 * @library /test/lib 28 * @build jdk.test.lib.Utils 29 * jdk.test.lib.compiler.CompilerUtils 30 * @run testng/othervm InheritedProtectedMethod 31 * @summary Test method reference to a method inherited from its 32 * superclass in a different package. Such method's modifier 33 * is changed from public to protected. 34 */ 35 36 import jdk.test.lib.compiler.CompilerUtils; 37 import jdk.test.lib.Utils; 38 39 import org.testng.annotations.BeforeTest; 40 import org.testng.annotations.DataProvider; 41 import org.testng.annotations.Test; 42 43 import java.io.IOException; 44 import java.lang.reflect.Method; 45 import java.net.URL; 46 import java.net.URLClassLoader; 47 import java.nio.file.Path; 48 import java.nio.file.Paths; 49 50 import static org.testng.Assert.*; 51 52 public class InheritedProtectedMethod { 53 private static final Path SRC_DIR = Paths.get(Utils.TEST_SRC, "src"); 54 private static final Path CLASSES_DIR = Paths.get("classes"); 55 56 @BeforeTest 57 static void setup() throws IOException { 58 assertTrue(CompilerUtils.compile(SRC_DIR, CLASSES_DIR)); 59 60 // compile the modified version of MethodSupplierOuter.java 61 Path file = Paths.get(Utils.TEST_SRC, "modified", "MethodSupplierOuter.java"); 62 assertTrue(CompilerUtils.compile(file, CLASSES_DIR)); 63 } 64 65 @Test 66 public static void run() throws Exception { 67 URLClassLoader loader = new URLClassLoader("loader", new URL[]{ CLASSES_DIR.toUri().toURL()}, 68 ClassLoader.getPlatformClassLoader()); 69 Class<?> methodInvokeClass = Class.forName("MethodInvoker", false, loader); 70 Method invokeMethod = methodInvokeClass.getMethod("invoke"); 71 72 String result = (String)invokeMethod.invoke(null); 73 assertEquals(result, "protected inherited method"); 74 } 75 }