67 lines
2.6 KiB
Java
67 lines
2.6 KiB
Java
/*
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* Copyright (c) 2017, 2018, 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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* @test
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* @bug 8186092
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* @compile ../common/Foo.java
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* ../common/J.java
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* I.java
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* ../common/C.jasm
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* Task.java
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* ../common/PreemptingClassLoader.java
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* @run main/othervm Test
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*/
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import java.io.PrintStream;
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import java.lang.reflect.*;
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public class Test {
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// Test that LinkageError exceptions are not thrown during vtable creation,
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// for loader constraint errors, if the target method is an overpass method.
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//
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// In this test, during vtable creation for class Task, the target method
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// "Task.m()LFoo;" is an overpass method (that throws an AME). So, even
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// though it is inheriting the method from its super class C, and Task has
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// a different class Foo than C, no LinkageError exception should be thrown
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// because the loader constraint check that would cause the LinkageError
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// should not be done.
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public static void main(String args[]) throws Exception {
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Class<?> c = test.Foo.class; // forces standard class loader to load Foo
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ClassLoader l = new PreemptingClassLoader("test.Task", "test.Foo", "test.I", "test.J");
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l.loadClass("test.Foo");
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l.loadClass("test.Task").newInstance();
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test.Task t = new test.Task();
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try {
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t.m(); // Should get AME
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throw new RuntimeException("Missing AbstractMethodError exception");
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} catch (AbstractMethodError e) {
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if (!e.getMessage().contains("Method test/Task.m()Ltest/Foo; is abstract")) {
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throw new RuntimeException("Wrong AME exception thrown: " + e.getMessage());
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}
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}
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}
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}
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