398 lines
13 KiB
Java
398 lines
13 KiB
Java
/*
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* Copyright (c) 2013, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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*
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* @modules java.base/jdk.internal.org.objectweb.asm:+open java.base/jdk.internal.org.objectweb.asm.util:+open
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* @library /vmTestbase /test/lib
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*
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* @comment build retransform.jar in current dir
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* @run driver vm.runtime.defmeth.shared.BuildJar
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*
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* @run driver jdk.test.lib.FileInstaller . .
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* @run main/othervm/native
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* -agentlib:redefineClasses
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* -javaagent:retransform.jar
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* vm.runtime.defmeth.AccessibilityFlagsTest
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*/
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package vm.runtime.defmeth;
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import java.util.Set;
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import vm.runtime.defmeth.shared.DefMethTest;
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import vm.runtime.defmeth.shared.data.*;
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import vm.runtime.defmeth.shared.data.method.body.EmptyBody;
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import vm.runtime.defmeth.shared.builder.TestBuilder;
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import static jdk.internal.org.objectweb.asm.Opcodes.*;
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import static vm.runtime.defmeth.shared.ExecutionMode.*;
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/*
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* Test allowed combinations of access flags on methods in interfaces.
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* Based on assertions from JVMS.
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*/
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public class AccessibilityFlagsTest extends DefMethTest {
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public static void main(String[] args) {
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DefMethTest.runTest(AccessibilityFlagsTest.class,
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/* majorVer */ Set.of(MAX_MAJOR_VER),
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/* flags */ Set.of(0, ACC_SYNCHRONIZED),
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/* redefine */ Set.of(false, true),
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/* execMode */ Set.of(DIRECT, REFLECTION, INVOKE_EXACT, INVOKE_GENERIC, INVOKE_WITH_ARGS, INDY));
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}
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/* ====================================================================== */
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// Methods of interfaces may set any of the flags in Table 4.5 except
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// ACC_PROTECTED, ACC_FINAL, ACC_NATIVE, and ACC_SYNCHRONIZED (9.4);
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/**
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* interface I { protected void m(); }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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*/
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public void testProtectedMethodAbstract() {
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expectClassFormatError(
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createAbstractMethodInterface(ACC_PROTECTED));
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expectClassFormatError(
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createAbstractMethodInterface(ACC_PROTECTED | ACC_PUBLIC));
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expectClassFormatError(
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createAbstractMethodInterface(ACC_PROTECTED | ACC_PRIVATE));
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}
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/**
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* interface I { protected void m() default {}; }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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*/
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public void testProtectedMethodDefault() {
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expectClassFormatError(
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createDefaultMethodInterface(ACC_PROTECTED));
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expectClassFormatError(
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createDefaultMethodInterface(ACC_PROTECTED | ACC_PUBLIC));
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expectClassFormatError(
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createDefaultMethodInterface(ACC_PROTECTED | ACC_PRIVATE));
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}
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/**
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* interface I { final void m() default {}; }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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*/
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public void testFinalMethodDefault() {
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expectClassFormatError(
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createDefaultMethodInterface(ACC_FINAL));
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expectClassFormatError(
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createDefaultMethodInterface(ACC_FINAL | ACC_PUBLIC));
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expectClassFormatError(
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createDefaultMethodInterface(ACC_FINAL | ACC_PRIVATE));
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}
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/**
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* interface I { native void m() default {}; }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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*/
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public void testNativeMethodDefault() {
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expectClassFormatError(
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createDefaultMethodInterface(ACC_NATIVE));
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expectClassFormatError(
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createDefaultMethodInterface(ACC_NATIVE | ACC_PUBLIC));
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expectClassFormatError(
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createDefaultMethodInterface(ACC_NATIVE | ACC_PRIVATE));
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}
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/**
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* interface I { synchronized void m(); }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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*/
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public void testSynchronizedMethodAbstract() {
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expectClassFormatError(
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createAbstractMethodInterface(ACC_SYNCHRONIZED));
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expectClassFormatError(
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createAbstractMethodInterface(ACC_SYNCHRONIZED | ACC_PUBLIC));
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expectClassFormatError(
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createAbstractMethodInterface(ACC_SYNCHRONIZED | ACC_PRIVATE));
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}
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/**
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* interface I { synchronized void m() default {}; }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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*/
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public void testSynchronizedMethodDefault() {
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expectClassFormatError(
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createDefaultMethodInterface(ACC_SYNCHRONIZED));
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expectClassFormatError(
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createDefaultMethodInterface(ACC_SYNCHRONIZED | ACC_PUBLIC));
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expectClassFormatError(
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createDefaultMethodInterface(ACC_SYNCHRONIZED | ACC_PRIVATE));
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}
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/* ===================================================================== */
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// [methods of interfaces] must have exactly one of the ACC_PUBLIC or ACC_PRIVATE flags set.
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/**
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* interface I { private void m() default {}; }
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*
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* TEST: ClassLoader.loadClass("I") == succeeds
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*/
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public void testPrivateMethodDefault() {
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loadClass(
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createDefaultMethodInterface(ACC_PRIVATE));
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}
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/**
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* interface I { public void m(); }
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*
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* TEST: ClassLoader.loadClass("I") == succeeds
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*/
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public void testPublicMethodAbstract() {
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loadClass(
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createAbstractMethodInterface(ACC_PUBLIC));
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}
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/**
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* interface I { public void m() default {}; }
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*
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*/
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public void testPublicMethodDefault() {
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loadClass(
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createDefaultMethodInterface(ACC_PUBLIC));
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}
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/**
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* interface I { private public void m(); }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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*/
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public void testPrivatePublicMethodAbstract() {
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expectClassFormatError(
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createAbstractMethodInterface(ACC_PUBLIC | ACC_PRIVATE));
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}
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/**
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* interface I { private public void m() default {}; }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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*/
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public void testPrivatePublicMethodDefault() {
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expectClassFormatError(
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createDefaultMethodInterface(ACC_PUBLIC | ACC_PRIVATE));
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}
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/* ===================================================================== */
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// Methods of classes may set any of the flags in Table 4.5 except
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// ACC_PROTECTED, ACC_FINAL, ACC_NATIVE, and ACC_SYNCHRONIZED (9.4);
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// they must have exactly one of the ACC_PUBLIC or ACC_PRIVATE flags set.
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//
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// The following flags are allowed:
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// ACC_PUBLIC 0x0001 Declared public; may be accessed from outside its package.
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// ACC_PRIVATE 0x0002 Declared private; accessible only within the defining class.
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// ACC_STATIC 0x0008 Declared static.
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// ACC_BRIDGE 0x0040 A bridge method, generated by the compiler.
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// ACC_VARARGS 0x0080 Declared with variable number of arguments.
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// ACC_SYNTHETIC 0x1000 Declared synthetic; not present in the source code.
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/**
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* interface I { static void m() default {}; }
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*
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* TEST: ClassLoader.loadClass("I") == succeeds
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*/
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public void testStaticMethodDefault() {
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loadClass(
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createDefaultMethodInterface(ACC_STATIC | ACC_PUBLIC));
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loadClass(
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createDefaultMethodInterface(ACC_STATIC | ACC_PRIVATE));
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}
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/* =============================================================================== */
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// If a specific method of a class or interface has its ACC_ABSTRACT flag set,
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// it must not have any of its ACC_FINAL, ACC_NATIVE, ACC_PRIVATE, ACC_STATIC,
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// or ACC_SYNCHRONIZED flags set (8.4.3.1, 8.4.3.3, 8.4.3.4).
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/**
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* interface I { final void m(); }
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* abstract class C { abstract final void m(); }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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* TEST: ClassLoader.loadClass("C") ==> ClassFormatError
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*/
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public void testFinalMethodAbstract() {
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/* interface I */
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expectClassFormatError(
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createAbstractMethodInterface(ACC_FINAL));
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expectClassFormatError(
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createAbstractMethodInterface(ACC_FINAL | ACC_PUBLIC));
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/* abstract class C */
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expectClassFormatError(
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createAbstractMethodClass(ACC_FINAL));
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}
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/**
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* interface I { native void m(); }
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* interface K { native void m() default {}; }
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* abstract class C { abstract native m(); }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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* TEST: ClassLoader.loadClass("K") ==> ClassFormatError
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* TEST: ClassLoader.loadClass("C") ==> ClassFormatError
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*/
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public void testNativeMethodAbstract() {
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/* interface I */
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expectClassFormatError(
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createDefaultMethodInterface(ACC_NATIVE));
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expectClassFormatError(
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createDefaultMethodInterface(ACC_NATIVE | ACC_PUBLIC));
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/* interface K */
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expectClassFormatError(
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createAbstractMethodInterface(ACC_NATIVE));
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expectClassFormatError(
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createAbstractMethodInterface(ACC_NATIVE | ACC_PUBLIC));
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/* abstract class C */
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expectClassFormatError(
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createAbstractMethodClass(ACC_NATIVE));
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}
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/**
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* interface I { private void m(); }
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* abstract class C { abstract private void m(); }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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* TEST: ClassLoader.loadClass("C") ==> ClassFormatError
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*/
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public void testPrivateMethodAbstract() {
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/* interface I */
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expectClassFormatError(
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createAbstractMethodInterface(ACC_PRIVATE));
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/* abstract class C */
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expectClassFormatError(
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createAbstractMethodClass(ACC_PRIVATE));
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}
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/**
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* interface I { static void m(); }
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* abstract class C { abstract static void m(); }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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* TEST: ClassLoader.loadClass("C") ==> ClassFormatError
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*/
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public void testStaticMethodAbstract() {
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/* interface I */
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expectClassFormatError(
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createAbstractMethodInterface(ACC_STATIC));
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expectClassFormatError(
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createAbstractMethodInterface(ACC_STATIC | ACC_PUBLIC));
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/* abstract class C */
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expectClassFormatError(
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createAbstractMethodClass(ACC_STATIC));
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}
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/* =============================================================================== */
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/**
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* interface I { abstract void m() default {}; }
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*
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* TEST: ClassLoader.loadClass("I") ==> ClassFormatError
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*/
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public void testAbstractMethodDefault() {
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expectClassFormatError(
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createDefaultMethodInterface(ACC_ABSTRACT));
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}
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/* ====================================================================== */
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// Helper methods
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private Interface createAbstractMethodInterface(int acc) {
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return factory.getBuilder()
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.intf("I")
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.abstractMethod("m", "()V").flags(acc)
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.build()
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.build();
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}
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private Clazz createAbstractMethodClass(int acc) {
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return factory.getBuilder()
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.clazz("I")
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.abstractMethod("m", "()V").flags(acc)
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.build()
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.build();
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}
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private Interface createDefaultMethodInterface(int acc) {
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return factory.getBuilder()
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.intf("I")
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.defaultMethod("m", "()V").flags(acc)
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.body(new EmptyBody())
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.build()
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.build();
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}
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private void expectException(Clazz clz, Class<? extends Throwable> exc) {
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TestBuilder b = factory.getBuilder()
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.register(clz);
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b.test().loadClass(clz).throws_(exc).done()
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.run();
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}
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private void loadClass(Clazz clz) {
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TestBuilder b = factory.getBuilder()
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.register(clz);
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b.test().loadClass(clz).ignoreResult().done()
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.run();
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}
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private void expectClassFormatError(Clazz clz) {
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expectException(clz, ClassFormatError.class);
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}
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}
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