jdk-24/test/hotspot/jtreg/runtime/classFileParserBug/UnknownAttrTest.java
Harold Seigel 5a3decc9f1 8207944: java.lang.ClassFormatError: Extra bytes at the end of class file test" possibly violation of JVMS 4.7.1
Add code to skip over unknown attributes when class file version >= 11.

Reviewed-by: lfoltan
2018-07-26 15:56:37 -04:00

45 lines
1.6 KiB
Java

/*
* Copyright (c) 2018, 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 8207944
* @summary Unknown attribute erroneously causes ClassFormatError exception.
* @compile UnknownAttr.jcod
* @run main UnknownAttrTest
*/
// Test that an unknown class attribute is ignored and no exception is thrown.
public class UnknownAttrTest {
public static void main(String args[]) throws Throwable {
System.out.println("Regression test for bug 8207944");
try {
Class newClass = Class.forName("UnknownAttr");
} catch (java.lang.Throwable e) {
throw new RuntimeException(
"Unexpected exception: " + e.getMessage());
}
}
}