| /* |
| * Copyright (c) 2015, 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. |
| */ |
| |
| |
| package org.graalvm.compiler.core.test; |
| |
| import jdk.vm.ci.meta.Assumptions.Assumption; |
| import jdk.vm.ci.meta.Assumptions.ConcreteSubtype; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.nodes.StructuredGraph; |
| |
| /** |
| * Ensure that abstract classes with a single implementor are properly optimized and that loading a |
| * subclass below the leaf type triggers invalidation. |
| */ |
| public class ConcreteSubtypeTest extends GraalCompilerAssumptionsTest { |
| abstract static class AbstractBase { |
| abstract void check(); |
| } |
| |
| static class Subclass extends AbstractBase { |
| @Override |
| public void check() { |
| throw new InternalError(); |
| } |
| } |
| |
| static class SubSubclass extends Subclass { |
| @Override |
| public void check() { |
| } |
| } |
| |
| public void callAbstractType(AbstractBase object) { |
| object.check(); |
| } |
| |
| @Override |
| protected void checkGraph(Assumption expectedAssumption, StructuredGraph graph) { |
| super.checkGraph(expectedAssumption, graph); |
| assertTrue(graph.isTrivial()); |
| } |
| |
| /** |
| * Test that {@link #callAbstractType} gets compiled into an empty method with a |
| * {@link ConcreteSubtype} assumption on {@link AbstractBase} and {@link Subclass}. Then ensures |
| * that loading and initialization of {@link SubSubclass} causes the compiled method to be |
| * invalidated. |
| */ |
| @Test |
| public void testLeafAbstractType() { |
| testAssumptionInvalidate("callAbstractType", new ConcreteSubtype(resolveAndInitialize(AbstractBase.class), resolveAndInitialize(Subclass.class)), "SubSubclass"); |
| } |
| } |