--- /dev/null 2020-03-26 16:03:57.000000000 -0700 +++ new/test/jdk/java/lang/invoke/lambda/superProtectedMethod/InheritedProtectedMethod.java 2020-03-26 16:03:56.000000000 -0700 @@ -0,0 +1,75 @@ +/* + * 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"); + } +}