| /* |
| * Copyright (c) 2013, 2018, 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. |
| */ |
| |
| package vm.runtime.defmeth; |
| |
| import nsk.share.test.TestBase; |
| import static jdk.internal.org.objectweb.asm.Opcodes.*; |
| import vm.runtime.defmeth.shared.DefMethTest; |
| import vm.runtime.defmeth.shared.data.*; |
| import vm.runtime.defmeth.shared.data.method.body.EmptyBody; |
| import vm.runtime.defmeth.shared.builder.TestBuilder; |
| |
| /* |
| * Test allowed combinations of access flags on methods in interfaces. |
| * Based on assertions from JVMS8. |
| */ |
| public class AccessibilityFlagsTest extends DefMethTest { |
| public static void main(String[] args) { |
| TestBase.runTest(new AccessibilityFlagsTest(), args); |
| } |
| |
| /* ====================================================================== */ |
| |
| // Methods of interfaces may set any of the flags in Table 4.5 except |
| // ACC_PROTECTED, ACC_FINAL, ACC_NATIVE, and ACC_SYNCHRONIZED (9.4); |
| |
| /** |
| * interface I { protected void m(); } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| */ |
| public void testProtectedMethodAbstract() { |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_PROTECTED)); |
| |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_PROTECTED | ACC_PUBLIC)); |
| |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_PROTECTED | ACC_PRIVATE)); |
| |
| } |
| |
| /** |
| * interface I { protected void m() default {}; } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| */ |
| public void testProtectedMethodDefault() { |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_PROTECTED)); |
| |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_PROTECTED | ACC_PUBLIC)); |
| |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_PROTECTED | ACC_PRIVATE)); |
| } |
| |
| /** |
| * interface I { final void m() default {}; } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| */ |
| public void testFinalMethodDefault() { |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_FINAL)); |
| |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_FINAL | ACC_PUBLIC)); |
| |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_FINAL | ACC_PRIVATE)); |
| } |
| |
| /** |
| * interface I { native void m() default {}; } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| */ |
| public void testNativeMethodDefault() { |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_NATIVE)); |
| |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_NATIVE | ACC_PUBLIC)); |
| |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_NATIVE | ACC_PRIVATE)); |
| } |
| |
| |
| /** |
| * interface I { synchronized void m(); } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| */ |
| public void testSynchronizedMethodAbstract() { |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_SYNCHRONIZED)); |
| |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_SYNCHRONIZED | ACC_PUBLIC)); |
| |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_SYNCHRONIZED | ACC_PRIVATE)); |
| } |
| |
| /** |
| * interface I { synchronized void m() default {}; } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| */ |
| public void testSynchronizedMethodDefault() { |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_SYNCHRONIZED)); |
| |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_SYNCHRONIZED | ACC_PUBLIC)); |
| |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_SYNCHRONIZED | ACC_PRIVATE)); |
| } |
| |
| /* ===================================================================== */ |
| |
| // [methods of interfaces] must have exactly one of the ACC_PUBLIC or ACC_PRIVATE flags set. |
| |
| /** |
| * interface I { private void m() default {}; } |
| * |
| * TEST: ClassLoader.loadClass("I") == succeeds |
| */ |
| public void testPrivateMethodDefault() { |
| loadClass( |
| createDefaultMethodInterface(ACC_PRIVATE)); |
| } |
| |
| /** |
| * interface I { public void m(); } |
| * |
| * TEST: ClassLoader.loadClass("I") == succeeds |
| */ |
| public void testPublicMethodAbstract() { |
| loadClass( |
| createAbstractMethodInterface(ACC_PUBLIC)); |
| } |
| |
| /** |
| * interface I { public void m() default {}; } |
| * |
| */ |
| public void testPublicMethodDefault() { |
| loadClass( |
| createDefaultMethodInterface(ACC_PUBLIC)); |
| } |
| |
| /** |
| * interface I { private public void m(); } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| */ |
| public void testPrivatePublicMethodAbstract() { |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_PUBLIC | ACC_PRIVATE)); |
| } |
| |
| /** |
| * interface I { private public void m() default {}; } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| */ |
| public void testPrivatePublicMethodDefault() { |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_PUBLIC | ACC_PRIVATE)); |
| } |
| |
| /* ===================================================================== */ |
| |
| // Methods of classes may set any of the flags in Table 4.5 except |
| // ACC_PROTECTED, ACC_FINAL, ACC_NATIVE, and ACC_SYNCHRONIZED (9.4); |
| // they must have exactly one of the ACC_PUBLIC or ACC_PRIVATE flags set. |
| // |
| // The following flags are allowed: |
| // ACC_PUBLIC 0x0001 Declared public; may be accessed from outside its package. |
| // ACC_PRIVATE 0x0002 Declared private; accessible only within the defining class. |
| // ACC_STATIC 0x0008 Declared static. |
| // ACC_BRIDGE 0x0040 A bridge method, generated by the compiler. |
| // ACC_VARARGS 0x0080 Declared with variable number of arguments. |
| // ACC_STRICT 0x0800 Declared strictfp; floating-point mode is FP-strict. |
| // ACC_SYNTHETIC 0x1000 Declared synthetic; not present in the source code. |
| |
| /** |
| * interface I { static void m() default {}; } |
| * |
| * TEST: ClassLoader.loadClass("I") == succeeds |
| */ |
| public void testStaticMethodDefault() { |
| loadClass( |
| createDefaultMethodInterface(ACC_STATIC | ACC_PUBLIC)); |
| loadClass( |
| createDefaultMethodInterface(ACC_STATIC | ACC_PRIVATE)); |
| } |
| |
| /** |
| * interface I { strictfp void m() default {}; } |
| * |
| * TEST: ClassLoader.loadClass("I") == succeeds |
| */ |
| public void testStrictFPMethodDefault() { |
| loadClass( |
| createDefaultMethodInterface(ACC_STRICT | ACC_PUBLIC)); |
| loadClass( |
| createDefaultMethodInterface(ACC_STRICT | ACC_PRIVATE)); |
| } |
| |
| /* =============================================================================== */ |
| |
| // If a specific method of a class or interface has its ACC_ABSTRACT flag set, |
| // it must not have any of its ACC_FINAL, ACC_NATIVE, ACC_PRIVATE, ACC_STATIC, ACC_STRICT, |
| // or ACC_SYNCHRONIZED flags set (8.4.3.1, 8.4.3.3, 8.4.3.4). |
| |
| /** |
| * interface I { final void m(); } |
| * abstract class C { abstract final void m(); } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| * TEST: ClassLoader.loadClass("C") ==> ClassFormatError |
| */ |
| public void testFinalMethodAbstract() { |
| /* interface I */ |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_FINAL)); |
| |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_FINAL | ACC_PUBLIC)); |
| |
| /* abstract class C */ |
| expectClassFormatError( |
| createAbstractMethodClass(ACC_FINAL)); |
| } |
| |
| /** |
| * interface I { native void m(); } |
| * interface K { native void m() default {}; } |
| * abstract class C { abstract native m(); } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| * TEST: ClassLoader.loadClass("K") ==> ClassFormatError |
| * TEST: ClassLoader.loadClass("C") ==> ClassFormatError |
| */ |
| public void testNativeMethodAbstract() { |
| /* interface I */ |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_NATIVE)); |
| |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_NATIVE | ACC_PUBLIC)); |
| |
| /* interface K */ |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_NATIVE)); |
| |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_NATIVE | ACC_PUBLIC)); |
| |
| /* abstract class C */ |
| expectClassFormatError( |
| createAbstractMethodClass(ACC_NATIVE)); |
| } |
| |
| /** |
| * interface I { private void m(); } |
| * abstract class C { abstract private void m(); } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| * TEST: ClassLoader.loadClass("C") ==> ClassFormatError |
| */ |
| public void testPrivateMethodAbstract() { |
| /* interface I */ |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_PRIVATE)); |
| |
| /* abstract class C */ |
| expectClassFormatError( |
| createAbstractMethodClass(ACC_PRIVATE)); |
| } |
| |
| /** |
| * interface I { static void m(); } |
| * abstract class C { abstract static void m(); } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| * TEST: ClassLoader.loadClass("C") ==> ClassFormatError |
| */ |
| public void testStaticMethodAbstract() { |
| /* interface I */ |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_STATIC)); |
| |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_STATIC | ACC_PUBLIC)); |
| |
| /* abstract class C */ |
| expectClassFormatError( |
| createAbstractMethodClass(ACC_STATIC)); |
| } |
| |
| /** |
| * interface I { strictfp void m(); } |
| * abstract class C { abstract strictfp void m(); } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| * TEST: ClassLoader.loadClass("C") ==> ClassFormatError |
| */ |
| public void testStrictFPMethodAbstract() { |
| /* interface I */ |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_STRICT)); |
| |
| expectClassFormatError( |
| createAbstractMethodInterface(ACC_STRICT | ACC_PUBLIC)); |
| |
| /* abstract class C */ |
| expectClassFormatError( |
| createAbstractMethodClass(ACC_STRICT)); |
| } |
| |
| /* =============================================================================== */ |
| |
| /** |
| * interface I { abstract void m() default {}; } |
| * |
| * TEST: ClassLoader.loadClass("I") ==> ClassFormatError |
| */ |
| public void testAbstractMethodDefault() { |
| expectClassFormatError( |
| createDefaultMethodInterface(ACC_ABSTRACT)); |
| } |
| |
| /* ====================================================================== */ |
| |
| // Helper methods |
| private Interface createAbstractMethodInterface(int acc) { |
| return factory.getBuilder() |
| .intf("I") |
| .abstractMethod("m", "()V").flags(acc) |
| .build() |
| .build(); |
| } |
| |
| private Clazz createAbstractMethodClass(int acc) { |
| return factory.getBuilder() |
| .clazz("I") |
| .abstractMethod("m", "()V").flags(acc) |
| .build() |
| .build(); |
| } |
| |
| private Interface createDefaultMethodInterface(int acc) { |
| return factory.getBuilder() |
| .intf("I") |
| .defaultMethod("m", "()V").flags(acc) |
| .body(new EmptyBody()) |
| .build() |
| .build(); |
| } |
| |
| private void expectException(Clazz clz, Class<? extends Throwable> exc) { |
| TestBuilder b = factory.getBuilder() |
| .register(clz); |
| |
| b.test().loadClass(clz).throws_(exc).done() |
| .run(); |
| } |
| |
| private void loadClass(Clazz clz) { |
| TestBuilder b = factory.getBuilder() |
| .register(clz); |
| |
| b.test().loadClass(clz).ignoreResult().done() |
| .run(); |
| } |
| |
| private void expectClassFormatError(Clazz clz) { |
| expectException(clz, ClassFormatError.class); |
| } |
| } |
