russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
60 lines
2.4 KiB
Java
60 lines
2.4 KiB
Java
/*
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* Copyright (c) 2014, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.lang.reflect.Field;
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/**
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* @test
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* @bug 8065552
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* @summary test that all fields returned by getDeclaredFields() can be
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* set accessible if package java.lang is open to unnamed module;
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* this test also verifies that Class.classLoader final private field
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* is hidden from reflection access.
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* @modules java.base/java.lang:open
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* @run main/othervm ClassDeclaredFieldsTest
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*
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* @author danielfuchs
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*/
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public class ClassDeclaredFieldsTest {
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/**
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* @param args the command line arguments
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*/
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public static void main(String[] args) throws Exception {
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System.out.println(System.getProperty("java.version"));
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for (Field f : Class.class.getDeclaredFields()) {
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f.setAccessible(true);
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System.out.println("Field "+f.getName()+" is now accessible.");
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if (f.getName().equals("classLoader")) {
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throw new RuntimeException("Found "+f.getName()+" field!");
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}
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}
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try {
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Class.class.getDeclaredField("classLoader");
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throw new RuntimeException("Expected NoSuchFieldException for"
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+ " 'classLoader' field not raised");
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} catch(NoSuchFieldException x) {
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System.out.println("Got expected exception: " + x);
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}
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System.out.println("Passed");
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}
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}
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