/*
* Copyright (c) 2005, 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.
*/
/*
*
*
* Unit test for Instrumentation appendToBootstrapClassLoaderSearch:
*
* 1. Reference class A. Resolving this class should fail with
* ClassCircularityError.
*
* 2. Add JAR file to boot class path which contains a "good"
* version of A.
*
* 3. Re-run the code for 1 again - it should fail with
* ClassCircularityError again.
*/
import java.lang.instrument.Instrumentation;
import java.util.jar.JarFile;
public class CircularityErrorTest {
static Instrumentation ins;
static void resolve() {
try {
Class c = A.class;
throw new RuntimeException("Test failed - class A loaded by: " +
c.getClassLoader());
} catch (ClassCircularityError e) {
System.err.println(e);
}
}
public static void main(String args[]) throws Exception {
resolve();
ins.appendToBootstrapClassLoaderSearch(new JarFile("A.jar"));
resolve();
}
public static void premain(String args, Instrumentation i) {
ins = i;
}
}