98 lines
3.5 KiB
Java
98 lines
3.5 KiB
Java
/*
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* Copyright (c) 2014, 2015, 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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/** @test
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* @bug 8034854
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* @summary Verify that the InnerClasses attribute has outer_class_info_index zero if it has
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* inner_name_index zero (for synthetic classes)
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* @enablePreview
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* @modules java.base/jdk.internal.classfile.impl
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* @compile SyntheticClasses.java
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* @run main SyntheticClasses
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*/
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import java.io.*;
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import java.util.*;
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import java.lang.classfile.*;
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import java.lang.classfile.attribute.*;
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public class SyntheticClasses {
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public static void main(String[] args) throws IOException {
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new SyntheticClasses().run();
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}
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private void run() throws IOException {
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File testClasses = new File(System.getProperty("test.classes"));
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for (File classFile : Objects.requireNonNull(testClasses.listFiles(f -> f.getName().endsWith(".class")))) {
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ClassModel cf = ClassFile.of().parse(classFile.toPath());
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if (cf.thisClass().asInternalName().matches(".*\\$[0-9]+")) {
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EnclosingMethodAttribute encl = cf.findAttribute(Attributes.enclosingMethod()).orElse(null);
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if (encl != null) {
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if (encl.enclosingMethodName().isPresent())
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throw new IllegalStateException("Invalid EnclosingMethod.method: " +
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encl.enclosingMethodName().get().stringValue() + ".");
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}
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}
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InnerClassesAttribute attr = cf.findAttribute(Attributes.innerClasses()).orElse(null);
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if (attr != null) {
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for (InnerClassInfo info : attr.classes()) {
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if (cf.majorVersion() < 51)
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throw new IllegalStateException();
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if (info.innerName().isEmpty() && info.outerClass().isPresent() )
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throw new IllegalStateException("Invalid outer_class_info: " +
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info.outerClass().get().asInternalName() +
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"; inner_name is empty");
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}
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}
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}
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}
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}
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class SyntheticConstructorAccessTag {
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private static class A {
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private A(){}
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}
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public void test() {
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new A();
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}
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}
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class SyntheticEnumMapping {
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private int convert(E e) {
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switch (e) {
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case A: return 0;
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default: return -1;
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}
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}
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enum E { A }
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}
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interface SyntheticAssertionsDisabled {
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public default void test() {
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assert false;
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}
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}
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