1 /*
   2  * Copyright (c) 2013, 2015, 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.hotspot.test;
  24 
  25 import org.junit.Assert;
  26 import org.junit.Test;
  27 
  28 import org.graalvm.compiler.core.common.type.StampFactory;
  29 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
  30 
  31 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  32 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
  33 import jdk.vm.ci.meta.Constant;
  34 import jdk.vm.ci.meta.JavaKind;
  35 import jdk.vm.ci.meta.MemoryAccessProvider;
  36 import jdk.vm.ci.meta.PrimitiveConstant;
  37 
  38 /**
  39  * Tests {@link HotSpotResolvedJavaMethod} functionality.
  40  */
  41 public class HotSpotResolvedObjectTypeTest extends HotSpotGraalCompilerTest {
  42 
  43     @Test
  44     public void testGetSourceFileName() throws Throwable {
  45         Assert.assertEquals("Object.java", HotSpotResolvedObjectType.fromObjectClass(Object.class).getSourceFileName());
  46         Assert.assertEquals("HotSpotResolvedObjectTypeTest.java", HotSpotResolvedObjectType.fromObjectClass(this.getClass()).getSourceFileName());
  47     }
  48 
  49     @Test
  50     public void testKlassLayoutHelper() {
  51         Constant klass = HotSpotResolvedObjectType.fromObjectClass(this.getClass()).klass();
  52         MemoryAccessProvider memoryAccess = getProviders().getConstantReflection().getMemoryAccessProvider();
  53         GraalHotSpotVMConfig config = runtime().getVMConfig();
  54         Constant c = StampFactory.forKind(JavaKind.Int).readConstant(memoryAccess, klass, config.klassLayoutHelperOffset);
  55         assertTrue(c.toString(), c.getClass() == PrimitiveConstant.class);
  56         PrimitiveConstant pc = (PrimitiveConstant) c;
  57         assertTrue(pc.toString(), pc.getJavaKind() == JavaKind.Int);
  58     }
  59 }