jdk8-mips64-public/langtools: test/tools/javac/classfiles/InnerClasses/SyntheticClasses.java@0b6cc4ea670f

     1 /*

     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 /** @test

    25  *  @bug 8034854

    26  *  @summary Verify that the InnerClasses attribute has outer_class_info_index zero if it has

    27  *           inner_name_index zero (for synthetic classes)

    28  *  @compile SyntheticClasses.java

    29  *  @run main SyntheticClasses

    30  */

    32 import java.io.*;

    33 import java.util.*;

    34 import com.sun.tools.classfile.*;

    36 public class SyntheticClasses {

    38     public static void main(String[] args) throws IOException, ConstantPoolException {

    39         new SyntheticClasses().run();

    40     }

    42     private void run() throws IOException, ConstantPoolException {

    43         File testClasses = new File(System.getProperty("test.classes"));

    44         for (File classFile : testClasses.listFiles(f -> f.getName().endsWith(".class"))) {

    45             ClassFile cf = ClassFile.read(classFile);

    46             if (cf.getName().matches(".*\\$[0-9]+")) {

    47                 EnclosingMethod_attribute encl =

    48                         (EnclosingMethod_attribute) cf.getAttribute(Attribute.EnclosingMethod);

    49                 if (encl != null) {

    50                     if (encl.method_index != 0)

    51                         throw new IllegalStateException("Invalid EnclosingMethod.method_index: " +

    52                                                         encl.method_index + ".");

    53                 }

    54             }

    55             InnerClasses_attribute attr =

    56                     (InnerClasses_attribute) cf.getAttribute(Attribute.InnerClasses);

    57             if (attr != null) {

    58                 for (InnerClasses_attribute.Info info : attr.classes) {

    59                     if (cf.major_version < 51)

    60                         throw new IllegalStateException();

    61                     if (info.inner_name_index == 0 && info.outer_class_info_index != 0)

    62                         throw new IllegalStateException("Invalid outer_class_info_index=" +

    63                                                         info.outer_class_info_index +

    64                                                         "; inner_name_index=" +

    65                                                         info.inner_name_index + ".");

    66                 }

    67             }

    68         }

    69     }

    70 }

    72 class SyntheticConstructorAccessTag {

    74     private static class A {

    75         private A(){}

    76     }

    78     public void test() {

    79         new A();

    80     }

    81 }

    83 class SyntheticEnumMapping {

    84     private int convert(E e) {

    85         switch (e) {

    86             case A: return 0;

    87             default: return -1;

    88         }

    89     }

    90     enum E { A }

    91 }

    93 interface SyntheticAssertionsDisabled {

    94     public default void test() {

    95         assert false;

    96     }

    97 }

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