hotspot/test/runtime/classFileParserBug/InitInInterface.java
author hseigel
Wed, 14 Oct 2015 13:30:47 -0400
changeset 33207 edc4431940b2
child 41705 332239c052cc
permissions -rw-r--r--
8139069: JVM should throw ClassFormatError for <init> methods in interfaces Summary: If method being parsed is in an interface, throw ClassFormatError if its name is "<init>" Reviewed-by: acorn, lfoltan
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/*
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 * Copyright (c) 2015, 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 8139069
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 * @summary Check that any method named <init> in an interface causes ClassFormatError
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 * @compile nonvoidinit.jasm voidinit.jasm
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 * @run main InitInInterface
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 */
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// Test that an <init> method is not allowed in interfaces.
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public class InitInInterface {
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    public static void main(String args[]) throws Throwable {
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        System.out.println("Regression test for bug 8130183");
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        try {
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            Class newClass = Class.forName("nonvoidinit");
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            throw new RuntimeException(
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                 "ClassFormatError not thrown for non-void <init> in an interface");
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        } catch (java.lang.ClassFormatError e) {
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            if (!e.getMessage().contains("Interface cannot have a method named <init>")) {
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                throw new RuntimeException("Unexpected exception nonvoidint: " + e.getMessage());
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            }
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        }
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        try {
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            Class newClass = Class.forName("voidinit");
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            throw new RuntimeException(
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                 "ClassFormatError not thrown for void <init> in an interface");
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        } catch (java.lang.ClassFormatError e) {
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            if (!e.getMessage().contains("Interface cannot have a method named <init>")) {
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                throw new RuntimeException("Unexpected exception voidint: " + e.getMessage());
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            }
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        }
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    }
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}