/* * Copyright (c) 2013, 2021, 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 * * @modules java.base/jdk.internal.org.objectweb.asm:+open java.base/jdk.internal.org.objectweb.asm.util:+open * @library /vmTestbase /test/lib * * @comment build retransform.jar in current dir * @run driver vm.runtime.defmeth.shared.BuildJar * * @run driver jdk.test.lib.FileInstaller . . * @run main/othervm/native * -agentlib:redefineClasses * -javaagent:retransform.jar * vm.runtime.defmeth.ObjectMethodOverridesTest */ package vm.runtime.defmeth; import java.util.Set; import nsk.share.TestFailure; import vm.runtime.defmeth.shared.DefMethTest; import vm.runtime.defmeth.shared.data.*; import vm.runtime.defmeth.shared.data.method.body.*; import vm.runtime.defmeth.shared.builder.TestBuilder; import static vm.runtime.defmeth.shared.ExecutionMode.*; import static vm.runtime.defmeth.shared.data.method.body.CallMethod.IndexbyteOp.*; /** * Test that default methods don't override methods inherited from Object class. */ public class ObjectMethodOverridesTest extends DefMethTest { public static void main(String[] args) { DefMethTest.runTest(ObjectMethodOverridesTest.class, /* majorVer */ Set.of(MAX_MAJOR_VER), /* flags */ Set.of(0), /* redefine */ Set.of(false, true), /* execMode */ Set.of(DIRECT, REFLECTION, INVOKE_EXACT, INVOKE_GENERIC, INVOKE_WITH_ARGS, INDY)); } /* protected Object clone() */ public void testClone(TestBuilder b) { Interface I = b.intf("I") .defaultMethod("clone", "()Ljava/lang/Object;") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I) .concreteMethod("m", "()V") // force an invokevirtual MR .invoke(CallMethod.Invoke.VIRTUAL, b.clazzByName("C"), b.clazzByName("C"), "clone", "()Ljava/lang/Object;", METHODREF) .build() .build(); b.test().callSite(C, C, "m", "()V") .throws_(CloneNotSupportedException.class) .done(); } /* boolean equals(Object obj) */ public void testEquals(TestBuilder b) throws ReflectiveOperationException { Interface I = b.intf("I") .defaultMethod("equals", "(Ljava/lang/Object;)Z") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I).build(); b.test().callSite(I, C, "equals", "(Ljava/lang/Object;)Z") .ignoreResult() .done(); b.test().callSite(C, C, "equals", "(Ljava/lang/Object;)Z") .ignoreResult() .done(); } /* void finalize() */ public void testFinalize(TestBuilder b) { Interface I = b.intf("I") .defaultMethod("finalize", "()V") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I) .concreteMethod("m", "()V") // force an invokevirtual MR .invoke(CallMethod.Invoke.VIRTUAL, b.clazzByName("C"), b.clazzByName("C"), "finalize", "()V", METHODREF) .build() .build(); b.test().callSite(C, C, "m", "()V") .ignoreResult() .done(); } /* final Class getClass() */ public void testGetClass(TestBuilder b) throws Exception { Interface I = b.intf("I") .defaultMethod("getClass", "()Ljava/lang/Class;") .sig("()Ljava/lang/Class<*>;") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I).build(); b.test().loadClass(I).throws_(IncompatibleClassChangeError.class).done(); b.test().loadClass(C).throws_(IncompatibleClassChangeError.class).done(); } /* int hashCode() */ public void testHashCode(TestBuilder b) { Interface I = b.intf("I") .defaultMethod("hashCode", "()I") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I).build(); b.test().callSite(I, C, "hashCode", "()I") .ignoreResult() .done(); b.test().callSite(C, C, "hashCode", "()I") .ignoreResult() .done(); } /* final void notify() */ public void testNotify(TestBuilder b) throws Exception { Interface I = b.intf("I") .defaultMethod("notify", "()V") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I).build(); b.test().loadClass(I).throws_(IncompatibleClassChangeError.class).done(); b.test().loadClass(C).throws_(IncompatibleClassChangeError.class).done(); } /* void notifyAll() */ public void testNotifyAll(TestBuilder b) { Interface I = b.intf("I") .defaultMethod("notifyAll", "()V") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I).build(); b.test().loadClass(I).throws_(IncompatibleClassChangeError.class).done(); b.test().loadClass(C).throws_(IncompatibleClassChangeError.class).done(); } /* String toString() */ public void testToString(TestBuilder b) { Interface I = b.intf("I") .defaultMethod("toString()", "()Ljava/lang/String;") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I).build(); if (factory.getExecutionMode() == "REFLECTION") { // Class.get*Method() don't find any implicitly declared method from Object on interfaces. b.test().callSite(I, C, "toString", "()Ljava/lang/String;") .throws_(NoSuchMethodException.class) .done(); } else { b.test().callSite(I, C, "toString", "()Ljava/lang/String;") .ignoreResult() .done(); } b.test().callSite(C, C, "toString", "()Ljava/lang/String;") .ignoreResult() .done(); } /* final void wait() */ public void testWait(TestBuilder b) { Interface I = b.intf("I") .defaultMethod("wait", "()V") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I).build(); b.test().loadClass(I).throws_(IncompatibleClassChangeError.class).done(); b.test().loadClass(C).throws_(IncompatibleClassChangeError.class).done(); } /* final void wait(long timeout) */ public void testTimedWait(TestBuilder b) { Interface I = b.intf("I") .defaultMethod("wait", "(J)V") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I).build(); b.test().loadClass(I).throws_(IncompatibleClassChangeError.class).done(); b.test().loadClass(C).throws_(IncompatibleClassChangeError.class).done(); } /* final void wait(long timeout, int nanos) */ public void testTimedWait1(TestBuilder b) { Interface I = b.intf("I") .defaultMethod("wait", "(JI)V") .throw_(TestFailure.class) .build() .build(); ConcreteClass C = b.clazz("C").implement(I).build(); b.test().loadClass(I).throws_(IncompatibleClassChangeError.class).done(); b.test().loadClass(C).throws_(IncompatibleClassChangeError.class).done(); } }