001/*
002 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.nodes.test;
024
025import jdk.internal.jvmci.meta.*;
026
027import org.junit.*;
028
029import com.oracle.graal.compiler.common.type.*;
030import com.oracle.graal.compiler.test.*;
031
032public abstract class AbstractObjectStampTest extends GraalCompilerTest {
033
034    protected static class A {
035
036    }
037
038    protected static class B extends A {
039
040    }
041
042    protected static class C extends B implements I {
043
044    }
045
046    protected static class D extends A {
047
048    }
049
050    protected abstract static class E extends A {
051
052    }
053
054    protected interface I {
055
056    }
057
058    protected static Stamp join(Stamp a, Stamp b) {
059        Stamp ab = a.join(b);
060        Stamp ba = b.join(a);
061        Assert.assertEquals(ab, ba);
062        return ab;
063    }
064
065    protected static Stamp meet(Stamp a, Stamp b) {
066        Stamp ab = a.meet(b);
067        Stamp ba = b.meet(a);
068        Assert.assertEquals(ab, ba);
069        return ab;
070    }
071
072    protected ResolvedJavaType getType(Class<?> clazz) {
073        return getMetaAccess().lookupJavaType(clazz);
074    }
075}