77 lines
3.2 KiB
Java
77 lines
3.2 KiB
Java
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/*
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* Copyright (c) 2021, 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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/*
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* @test
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* @build Initializer Test ExceptionInClassInitialization
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* @run main ExceptionInClassInitialization
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* @summary ensure InvocationTargetException thrown due to the initialization of
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* the declaring class wrapping with the proper cause
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*/
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import java.lang.reflect.InvocationTargetException;
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public class ExceptionInClassInitialization {
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public static void main(String... argv) throws ReflectiveOperationException {
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Class<?> c = Class.forName("Initializer");
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testExecMethod(c);
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testFieldAccess(c);
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}
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static void testExecMethod(Class<?> cls) throws ReflectiveOperationException {
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try {
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cls.getDeclaredMethod("execMethod").invoke(null);
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throw new RuntimeException("InvocationTargetException not thrown");
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} catch (InvocationTargetException e) {
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// InvocationTargetException wraps the exception that was thrown while reflection.
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Throwable t = e.getCause();
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if (t instanceof ExceptionInInitializerError eiie) {
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if (eiie.getCause() instanceof MyException) {
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return;
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}
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throw new RuntimeException("ExceptionInInitializerError due to other exception than MyException!", eiie);
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}
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throw new RuntimeException("InvocationTargetException was thrown not due to error while initialization!", e);
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}
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}
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static void testFieldAccess(Class<?> cls) throws ReflectiveOperationException {
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try {
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cls.getDeclaredMethod("fieldAccess").invoke(null);
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throw new RuntimeException("InvocationTargetException not thrown");
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} catch (InvocationTargetException e) {
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// the class initialization was run and failed. NoClassDefFoundError
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// should be thrown in this second attempt.
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Throwable t = e.getCause();
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if (t instanceof NoClassDefFoundError ncdfe) {
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t = t.getCause();
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if (t instanceof ExceptionInInitializerError eiie) {
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return;
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}
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}
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throw new RuntimeException("InvocationTargetException was thrown not due to error while initialization!", e);
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}
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}
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}
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