1 /* 2 * Copyright (c) 2014, 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 24 /** 25 * @test 26 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" 27 * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI jdk.vm.ci.runtime.test.ResolvedJavaTypeResolveMethodTest 28 */ 29 30 package jdk.vm.ci.runtime.test; 31 32 import static org.junit.Assert.*; 33 import jdk.vm.ci.meta.*; 34 import jdk.vm.ci.runtime.*; 35 36 import org.junit.*; 37 38 public class ResolvedJavaTypeResolveMethodTest { 39 public final MetaAccessProvider metaAccess; 40 41 public ResolvedJavaTypeResolveMethodTest() { 42 metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess(); 43 } 44 45 protected abstract static class A { 46 @SuppressWarnings("unused") 47 private void priv() { 48 } 49 50 public void v1() { 51 } 52 53 public void v2() { 54 } 55 56 public abstract void abs(); 57 } 58 59 protected static class B extends A implements I { 60 public void i() { 61 } 62 63 @Override 64 public void v2() { 65 } 66 67 @Override 68 public void abs() { 69 70 } 71 } 72 73 protected static class C extends B { 74 public void d() { 75 } 76 } 77 78 protected abstract static class D extends A { 79 80 } 81 82 protected static class E extends D { 83 @Override 84 public void abs() { 85 } 86 } 87 88 protected interface I { 89 void i(); 90 91 default void d() { 92 } 93 } 94 95 @Test 96 public void testDefaultMethod() { 97 ResolvedJavaType i = getType(I.class); 98 ResolvedJavaType b = getType(B.class); 99 ResolvedJavaType c = getType(C.class); 100 ResolvedJavaMethod di = getMethod(i, "d"); 101 ResolvedJavaMethod dc = getMethod(c, "d"); 102 103 assertEquals(di, i.resolveMethod(di, c)); 104 assertEquals(di, b.resolveMethod(di, c)); 105 assertEquals(dc, c.resolveMethod(di, c)); 106 } 107 108 @Test 109 public void testPrivateMethod() { 110 ResolvedJavaType a = getType(A.class); 111 ResolvedJavaType b = getType(B.class); 112 ResolvedJavaType c = getType(C.class); 113 ResolvedJavaMethod priv = getMethod(a, "priv"); 114 115 assertNull(a.resolveMethod(priv, c)); 116 assertNull(b.resolveMethod(priv, c)); 117 } 118 119 @Test 120 public void testAbstractMethod() { 121 ResolvedJavaType a = getType(A.class); 122 ResolvedJavaType b = getType(B.class); 123 ResolvedJavaType c = getType(C.class); 124 ResolvedJavaType d = getType(D.class); 125 ResolvedJavaType e = getType(E.class); 126 ResolvedJavaMethod absa = getMethod(a, "abs"); 127 ResolvedJavaMethod absb = getMethod(b, "abs"); 128 ResolvedJavaMethod abse = getMethod(e, "abs"); 129 130 assertEquals(absa, a.resolveMethod(absa, c)); 131 assertEquals(absa, d.resolveMethod(absa, c)); 132 133 assertEquals(absb, b.resolveMethod(absa, c)); 134 assertEquals(absb, b.resolveMethod(absb, c)); 135 assertEquals(absb, c.resolveMethod(absa, c)); 136 assertEquals(absb, c.resolveMethod(absb, c)); 137 assertEquals(abse, e.resolveMethod(absa, c)); 138 assertNull(e.resolveMethod(absb, c)); 139 assertEquals(abse, e.resolveMethod(abse, c)); 140 } 141 142 @Test 143 public void testVirtualMethod() { 144 ResolvedJavaType a = getType(A.class); 145 ResolvedJavaType b = getType(B.class); 146 ResolvedJavaType c = getType(C.class); 147 ResolvedJavaMethod v1a = getMethod(a, "v1"); 148 ResolvedJavaMethod v2a = getMethod(a, "v2"); 149 ResolvedJavaMethod v2b = getMethod(b, "v2"); 150 151 assertEquals(v1a, a.resolveMethod(v1a, c)); 152 assertEquals(v1a, b.resolveMethod(v1a, c)); 153 assertEquals(v1a, c.resolveMethod(v1a, c)); 154 assertEquals(v2a, a.resolveMethod(v2a, c)); 155 assertEquals(v2b, b.resolveMethod(v2a, c)); 156 assertEquals(v2b, b.resolveMethod(v2b, c)); 157 assertEquals(v2b, c.resolveMethod(v2a, c)); 158 assertEquals(v2b, c.resolveMethod(v2b, c)); 159 160 } 161 162 static ResolvedJavaMethod getMethod(ResolvedJavaType type, String methodName) { 163 for (ResolvedJavaMethod method : type.getDeclaredMethods()) { 164 if (method.getName().equals(methodName)) { 165 return method; 166 } 167 } 168 throw new IllegalArgumentException(); 169 } 170 171 protected ResolvedJavaType getType(Class<?> clazz) { 172 ResolvedJavaType type = metaAccess.lookupJavaType(clazz); 173 type.initialize(); 174 return type; 175 } 176 }