1 /*
   2  * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.nodes.test;
  24 
  25 import org.junit.Assert;
  26 import org.junit.Test;
  27 
  28 import org.graalvm.compiler.core.common.type.AbstractObjectStamp;
  29 import org.graalvm.compiler.core.common.type.Stamp;
  30 import org.graalvm.compiler.core.common.type.StampFactory;
  31 import org.graalvm.compiler.core.common.type.TypeReference;
  32 
  33 public class ObjectStampTest extends AbstractObjectStampTest {
  34     @Test
  35     public void testInterfaceTrust0() {
  36         Stamp notTrusted = StampFactory.object(TypeReference.createWithoutAssumptions(getMetaAccess().lookupJavaType(I.class)));
  37         Assert.assertEquals(StampFactory.object(), notTrusted);
  38     }
  39 
  40     private interface TrustedI {
  41 
  42     }
  43 
  44     @Test
  45     public void testInterfaceTrust1() {
  46         Stamp trusted = StampFactory.object(getType(TrustedI.class));
  47         Assert.assertNotEquals(StampFactory.object(), trusted);
  48         Assert.assertTrue("Should be an AbstractObjectStamp", trusted instanceof AbstractObjectStamp);
  49         AbstractObjectStamp trustedObjectStamp = (AbstractObjectStamp) trusted;
  50         Assert.assertNotNull(trustedObjectStamp.type());
  51         Assert.assertTrue("Should be an interface", trustedObjectStamp.type().isInterface());
  52     }
  53 }