1 /* 2 * Copyright (c) 2015, 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 java.util.Objects; 26 27 import org.junit.Test; 28 29 import org.graalvm.compiler.core.common.GraalOptions; 30 import org.graalvm.compiler.core.test.GraalCompilerTest; 31 import org.graalvm.compiler.nodes.ConstantNode; 32 import org.graalvm.compiler.nodes.StructuredGraph; 33 import org.graalvm.compiler.options.OptionValue; 34 import org.graalvm.compiler.options.OptionValue.OverrideScope; 35 import org.graalvm.compiler.phases.tiers.Suites; 36 37 import jdk.vm.ci.meta.JavaKind; 38 39 public class LoadJavaMirrorWithKlassTest extends GraalCompilerTest { 40 41 private static class Wrapper { 42 private Class<?> clazz; 43 44 @Override 45 public boolean equals(Object obj) { 46 if (obj instanceof Wrapper) { 47 return Objects.equals(this.clazz, ((Wrapper) obj).clazz); 48 } else { 49 return false; 50 } 51 } 52 53 @Override 54 public int hashCode() { 55 return clazz.hashCode(); 56 } 57 } 58 59 @Override 60 @SuppressWarnings("try") 61 protected Suites createSuites() { 62 try (OverrideScope s = OptionValue.override(GraalOptions.ImmutableCode, true)) { 63 return super.createSuites(); 64 } 65 } 66 67 @Override 68 protected boolean checkLowTierGraph(StructuredGraph graph) { 69 for (ConstantNode constantNode : graph.getNodes().filter(ConstantNode.class)) { 70 assert constantNode.asJavaConstant() == null || constantNode.asJavaConstant().getJavaKind() != JavaKind.Object || 71 constantNode.asJavaConstant().isDefaultForKind() : "Found unexpected object constant " + 72 constantNode + ", this should have been removed by the LoadJavaMirrorWithKlassPhase."; 73 } 74 return true; 75 } 76 77 public static Class<?> classConstant() { 78 return Wrapper.class; 79 } 80 81 @Test 82 public void testClassConstant() { 83 test("classConstant"); 84 } 85 86 public static Class<?> primitiveClassConstant() { 87 return int.class; 88 } 89 90 @Test 91 public void testPrimitiveClassConstant() { 92 test("primitiveClassConstant"); 93 } 94 95 public static Wrapper compressedClassConstant(Wrapper w) { 96 w.clazz = Wrapper.class; 97 return w; 98 } 99 100 @Test 101 public void testCompressedClassConstant() { 102 ArgSupplier arg = () -> new Wrapper(); 103 test("compressedClassConstant", arg); 104 } 105 106 public static Wrapper compressedPrimitiveClassConstant(Wrapper w) { 107 w.clazz = int.class; 108 return w; 109 } 110 111 @Test 112 public void testCompressedPrimitiveClassConstant() { 113 ArgSupplier arg = () -> new Wrapper(); 114 test("compressedPrimitiveClassConstant", arg); 115 } 116 }