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.assertEquals; 33 import static org.junit.Assert.assertNull; 34 import jdk.vm.ci.meta.MetaAccessProvider; 35 import jdk.vm.ci.meta.ResolvedJavaMethod; 36 import jdk.vm.ci.meta.ResolvedJavaType; 37 import jdk.vm.ci.runtime.JVMCI; 38 39 import org.junit.Test; 40 41 public class ResolvedJavaTypeResolveMethodTest { 42 public final MetaAccessProvider metaAccess; 43 44 public ResolvedJavaTypeResolveMethodTest() { 45 metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess(); 46 } 47 48 protected abstract static class A { 49 @SuppressWarnings("unused") 50 private void priv() { 51 } 52 53 public void v1() { 54 } 55 56 public void v2() { 57 } 58 59 public abstract void abs(); 60 } 61 62 protected static class B extends A implements I { 63 public void i() { 64 } 65 66 @Override 67 public void v2() { 68 } 69 70 @Override 71 public void abs() { 72 73 } 74 } 75 76 protected static class C extends B { 77 public void d() { 78 } 79 } 80 81 protected abstract static class D extends A { 82 83 } 84 85 protected static class E extends D { 86 @Override 87 public void abs() { 88 } 89 } 90 91 protected interface I { 92 void i(); 93 94 default void d() { 95 } 96 } 97 98 @Test 99 public void testDefaultMethod() { 100 ResolvedJavaType i = getType(I.class); 101 ResolvedJavaType b = getType(B.class); 102 ResolvedJavaType c = getType(C.class); 103 ResolvedJavaMethod di = getMethod(i, "d"); 104 ResolvedJavaMethod dc = getMethod(c, "d"); 105 106 assertEquals(di, i.resolveMethod(di, c)); 107 assertEquals(di, b.resolveMethod(di, c)); 108 assertEquals(dc, c.resolveMethod(di, c)); 109 } 110 111 @Test 112 public void testPrivateMethod() { 113 ResolvedJavaType a = getType(A.class); 114 ResolvedJavaType b = getType(B.class); 115 ResolvedJavaType c = getType(C.class); 116 ResolvedJavaMethod priv = getMethod(a, "priv"); 117 118 assertNull(a.resolveMethod(priv, c)); 119 assertNull(b.resolveMethod(priv, c)); 120 } 121 122 @Test 123 public void testAbstractMethod() { 124 ResolvedJavaType a = getType(A.class); 125 ResolvedJavaType b = getType(B.class); 126 ResolvedJavaType c = getType(C.class); 127 ResolvedJavaType d = getType(D.class); 128 ResolvedJavaType e = getType(E.class); 129 ResolvedJavaMethod absa = getMethod(a, "abs"); 130 ResolvedJavaMethod absb = getMethod(b, "abs"); 131 ResolvedJavaMethod abse = getMethod(e, "abs"); 132 133 assertEquals(absa, a.resolveMethod(absa, c)); 134 assertEquals(absa, d.resolveMethod(absa, c)); 135 136 assertEquals(absb, b.resolveMethod(absa, c)); 137 assertEquals(absb, b.resolveMethod(absb, c)); 138 assertEquals(absb, c.resolveMethod(absa, c)); 139 assertEquals(absb, c.resolveMethod(absb, c)); 140 assertEquals(abse, e.resolveMethod(absa, c)); 141 assertNull(e.resolveMethod(absb, c)); 142 assertEquals(abse, e.resolveMethod(abse, c)); 143 } 144 145 @Test 146 public void testVirtualMethod() { 147 ResolvedJavaType a = getType(A.class); 148 ResolvedJavaType b = getType(B.class); 149 ResolvedJavaType c = getType(C.class); 150 ResolvedJavaMethod v1a = getMethod(a, "v1"); 151 ResolvedJavaMethod v2a = getMethod(a, "v2"); 152 ResolvedJavaMethod v2b = getMethod(b, "v2"); 153 154 assertEquals(v1a, a.resolveMethod(v1a, c)); 155 assertEquals(v1a, b.resolveMethod(v1a, c)); 156 assertEquals(v1a, c.resolveMethod(v1a, c)); 157 assertEquals(v2a, a.resolveMethod(v2a, c)); 158 assertEquals(v2b, b.resolveMethod(v2a, c)); 159 assertEquals(v2b, b.resolveMethod(v2b, c)); 160 assertEquals(v2b, c.resolveMethod(v2a, c)); 161 assertEquals(v2b, c.resolveMethod(v2b, c)); 162 163 } 164 165 static ResolvedJavaMethod getMethod(ResolvedJavaType type, String methodName) { 166 for (ResolvedJavaMethod method : type.getDeclaredMethods()) { 167 if (method.getName().equals(methodName)) { 168 return method; 169 } 170 } 171 throw new IllegalArgumentException(); 172 } 173 174 protected ResolvedJavaType getType(Class<?> clazz) { 175 ResolvedJavaType type = metaAccess.lookupJavaType(clazz); 176 type.initialize(); 177 return type; 178 } 179 }