3789983e89
Reviewed-by: darcy, ihse
81 lines
2.9 KiB
Java
81 lines
2.9 KiB
Java
/*
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* Copyright (c) 2016, 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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/*
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* @test
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* @bug 8163969
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* @summary Interface initialization was crashing on this because the wrong class was getting
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* initialization error.
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* @run main CyclicInterfaceInit
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*/
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/**
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* This snippet crashes with
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* - Java(TM) SE Runtime Environment (8.0_101-b13) (build 1.8.0_101-b13)
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*/
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public class CyclicInterfaceInit {
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interface Base {
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static final Object CONST = new Target(){}.someMethod();
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default void important() {
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// Super interfaces with default methods get initialized (JLS 12.4.1)
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}
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}
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static boolean out(String c) {
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System.out.println("initializing " + c);
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return true;
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}
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interface Target extends Base {
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boolean v = CyclicInterfaceInit.out("Target");
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default Object someMethod() {
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throw new RuntimeException();
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}
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// Target can be fully initialized before initializating Base because Target doesn't
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// initiate the initialization of Base.
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}
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static class InnerBad implements Target {}
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public static void main(String[] args) {
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try {
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new Target() {}; // Creates inner class that causes initialization of super interfaces
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} catch (ExceptionInInitializerError e) {
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System.out.println("ExceptionInInitializerError thrown as expected");
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}
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// Try again, InnerBad instantiation should throw NoClassdefFoundError
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// because Base is marked erroneous due to previous exception during initialization
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try {
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InnerBad ig = new InnerBad();
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throw new RuntimeException("FAILED- initialization of InnerBad should throw NCDFE");
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} catch (NoClassDefFoundError e) {
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System.out.println("NoClassDefFoundError thrown as expected");
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}
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// Target is already initialized.
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System.out.println("Target.v is " + Target.v);
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// shouldn't throw any exceptions.
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}
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}
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