/*
* 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();
}
}