| /* |
| * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @requires vm.jvmci |
| * @modules jdk.internal.vm.ci/jdk.vm.ci.meta |
| * jdk.internal.vm.ci/jdk.vm.ci.runtime |
| * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Djvmci.Compiler=null jdk.vm.ci.runtime.test.ResolvedJavaTypeResolveMethodTest |
| */ |
| |
| package jdk.vm.ci.runtime.test; |
| |
| import jdk.vm.ci.meta.MetaAccessProvider; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import jdk.vm.ci.meta.ResolvedJavaType; |
| import jdk.vm.ci.runtime.JVMCI; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| |
| public class ResolvedJavaTypeResolveMethodTest { |
| public final MetaAccessProvider metaAccess; |
| |
| public ResolvedJavaTypeResolveMethodTest() { |
| metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess(); |
| } |
| |
| protected abstract static class A { |
| @SuppressWarnings("unused") |
| private void priv() { |
| } |
| |
| public void v1() { |
| } |
| |
| public void v2() { |
| } |
| |
| public abstract void abs(); |
| } |
| |
| protected static class B extends A implements I { |
| public void i() { |
| } |
| |
| @Override |
| public void v2() { |
| } |
| |
| @Override |
| public void abs() { |
| |
| } |
| } |
| |
| protected static class C extends B { |
| public void d() { |
| } |
| } |
| |
| protected abstract static class D extends A { |
| |
| } |
| |
| protected static class E extends D { |
| @Override |
| public void abs() { |
| } |
| } |
| |
| protected interface I { |
| void i(); |
| |
| default void d() { |
| } |
| } |
| |
| @Test |
| public void testDefaultMethod() { |
| ResolvedJavaType i = getType(I.class); |
| ResolvedJavaType b = getType(B.class); |
| ResolvedJavaType c = getType(C.class); |
| ResolvedJavaMethod di = getMethod(i, "d"); |
| ResolvedJavaMethod dc = getMethod(c, "d"); |
| |
| assertEquals(null, i.resolveMethod(di, c)); |
| assertEquals(di, b.resolveMethod(di, c)); |
| assertEquals(dc, c.resolveMethod(di, c)); |
| } |
| |
| @Test |
| public void testPrivateMethod() { |
| ResolvedJavaType a = getType(A.class); |
| ResolvedJavaType b = getType(B.class); |
| ResolvedJavaType c = getType(C.class); |
| ResolvedJavaMethod priv = getMethod(a, "priv"); |
| |
| assertNull(a.resolveMethod(priv, c)); |
| assertNull(b.resolveMethod(priv, c)); |
| } |
| |
| @Test |
| public void testAbstractMethod() { |
| ResolvedJavaType a = getType(A.class); |
| ResolvedJavaType b = getType(B.class); |
| ResolvedJavaType c = getType(C.class); |
| ResolvedJavaType d = getType(D.class); |
| ResolvedJavaType e = getType(E.class); |
| ResolvedJavaMethod absa = getMethod(a, "abs"); |
| ResolvedJavaMethod absb = getMethod(b, "abs"); |
| ResolvedJavaMethod abse = getMethod(e, "abs"); |
| |
| assertEquals(absa, a.resolveMethod(absa, c)); |
| assertEquals(absa, d.resolveMethod(absa, c)); |
| |
| assertEquals(absb, b.resolveMethod(absa, c)); |
| assertEquals(absb, b.resolveMethod(absb, c)); |
| assertEquals(absb, c.resolveMethod(absa, c)); |
| assertEquals(absb, c.resolveMethod(absb, c)); |
| assertEquals(abse, e.resolveMethod(absa, c)); |
| assertNull(e.resolveMethod(absb, c)); |
| assertEquals(abse, e.resolveMethod(abse, c)); |
| } |
| |
| @Test |
| public void testVirtualMethod() { |
| ResolvedJavaType a = getType(A.class); |
| ResolvedJavaType b = getType(B.class); |
| ResolvedJavaType c = getType(C.class); |
| ResolvedJavaMethod v1a = getMethod(a, "v1"); |
| ResolvedJavaMethod v2a = getMethod(a, "v2"); |
| ResolvedJavaMethod v2b = getMethod(b, "v2"); |
| |
| assertEquals(v1a, a.resolveMethod(v1a, c)); |
| assertEquals(v1a, b.resolveMethod(v1a, c)); |
| assertEquals(v1a, c.resolveMethod(v1a, c)); |
| assertEquals(v2a, a.resolveMethod(v2a, c)); |
| assertEquals(v2b, b.resolveMethod(v2a, c)); |
| assertEquals(v2b, b.resolveMethod(v2b, c)); |
| assertEquals(v2b, c.resolveMethod(v2a, c)); |
| assertEquals(v2b, c.resolveMethod(v2b, c)); |
| |
| } |
| |
| static ResolvedJavaMethod getMethod(ResolvedJavaType type, String methodName) { |
| for (ResolvedJavaMethod method : type.getDeclaredMethods()) { |
| if (method.getName().equals(methodName)) { |
| return method; |
| } |
| } |
| throw new IllegalArgumentException(); |
| } |
| |
| protected ResolvedJavaType getType(Class<?> clazz) { |
| ResolvedJavaType type = metaAccess.lookupJavaType(clazz); |
| type.initialize(); |
| return type; |
| } |
| } |