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/*
* Copyright (c) 2017, 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 8186092
* @compile ../common/Foo.java
* ../common/J.java
* I.java
* ../common/C.jasm
* Task.java
* ../common/PreemptingClassLoader.java
* @run main/othervm Test
*/
import java.io.PrintStream;
import java.lang.reflect.*;
public class Test {
// Test that LinkageError exceptions are not thrown during vtable creation,
// for loader constraint errors, if the target method is an overpass method.
//
// In this test, during vtable creation for class Task, the target method
// "Task.m()LFoo;" is an overpass method (that throws an AME). So, even
// though it is inheriting the method from its super class C, and Task has
// a different class Foo than C, no LinkageError exception should be thrown
// because the loader constraint check that would cause the LinkageError
// should not be done.
public static void main(String args[]) throws Exception {
Class<?> c = test.Foo.class; // forces standard class loader to load Foo
ClassLoader l = new PreemptingClassLoader("test.Task", "test.Foo", "test.I", "test.J");
l.loadClass("test.Foo");
l.loadClass("test.Task").newInstance();
test.Task t = new test.Task();
try {
t.m(); // Should get AME
throw new RuntimeException("Missing AbstractMethodError exception");
} catch (AbstractMethodError e) {
if (!e.getMessage().contains("Method test/Task.m()Ltest/Foo; is abstract")) {
throw new RuntimeException("Wrong AME exception thrown: " + e.getMessage());
}
}
}
}
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