/* * Copyright (c) 2022, 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 8291360 * @summary Test getting a class's raw access flags using java.lang.Class API * @modules java.base/java.lang:open * @compile classAccessFlagsRaw.jcod * @run main/othervm ClassAccessFlagsRawTest */ import java.lang.reflect.*; public class ClassAccessFlagsRawTest { static Method m; public static void testIt(String className, int expectedResult) throws Exception { Class testClass = Class.forName(className); int flags = (int)m.invoke(testClass); if (flags != expectedResult) { throw new RuntimeException( "expected 0x" + Integer.toHexString(expectedResult) + ", got 0x" + Integer.toHexString(flags) + " for class " + className); } } public static void main(String argv[]) throws Throwable { Class cl = java.lang.Class.class; m = cl.getDeclaredMethod("getClassAccessFlagsRaw", new Class[0]); m.setAccessible(true); testIt("SUPERset", 0x21); // ACC_SUPER 0x20 + ACC_PUBLIC 0x1 testIt("SUPERnotset", Modifier.PUBLIC); // test primitive array. should return ACC_ABSTRACT | ACC_FINAL | ACC_PUBLIC. int flags = (int)m.invoke((new int[3]).getClass()); if (flags != (Modifier.ABSTRACT | Modifier.FINAL | Modifier.PUBLIC)) { throw new RuntimeException( "expected 0x411, got 0x" + Integer.toHexString(flags) + " for primitive array"); } // test object array. should return flags of component. flags = (int)m.invoke((new SUPERnotset[2]).getClass()); if (flags != Modifier.PUBLIC) { throw new RuntimeException( "expected 0x1, got 0x" + Integer.toHexString(flags) + " for object array"); } // test multi-dimensional object array. should return flags of component. flags = (int)m.invoke((new SUPERnotset[4][2]).getClass()); if (flags != Modifier.PUBLIC) { throw new RuntimeException( "expected 0x1, got 0x" + Integer.toHexString(flags) + " for object array"); } } }