jdk8-mips64-public/langtools: test/tools/javap/typeAnnotations/ArrayClassLiterals.java@5bb96781fb58

     1 /*

     2  * Copyright (c) 2009, 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

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    24 import java.io.*;

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

    27 /*

    28  * @test ArrayClassLiterals

    29  * @bug 6863814

    30  * @summary test that class literals array doesn't crash javap

    31  */

    33 public class ArrayClassLiterals {

    34     public static void main(String[] args) throws Exception {

    35         new ArrayClassLiterals().run();

    36     }

    38     public void run() throws Exception {

    39         File javaFile = writeTestFile();

    40         File classFile = compileTestFile(javaFile);

    42         ClassFile cf = ClassFile.read(classFile);

    43         test(cf);

    44         for (Field f : cf.fields) {

    45             test(cf, f);

    46         }

    47         for (Method m: cf.methods) {

    48             test(cf, m);

    49         }

    51         countAnnotations();

    53         if (errors > 0)

    54             throw new Exception(errors + " errors found");

    55         System.out.println("PASSED");

    56     }

    58     void test(ClassFile cf) {

    59         test(cf, Attribute.RuntimeVisibleTypeAnnotations, true);

    60         test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false);

    61     }

    63     void test(ClassFile cf, Method m) {

    64         test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);

    65         test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);

    66     }

    68     void test(ClassFile cf, Field m) {

    69         test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);

    70         test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);

    71     }

    73     // test the result of Attributes.getIndex according to expectations

    74     // encoded in the method's name

    75     void test(ClassFile cf, String name, boolean visible) {

    76         int index = cf.attributes.getIndex(cf.constant_pool, name);

    77         if (index != -1) {

    78             Attribute attr = cf.attributes.get(index);

    79             assert attr instanceof RuntimeTypeAnnotations_attribute;

    80             RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;

    81             all += tAttr.annotations.length;

    82             if (visible)

    83                 visibles += tAttr.annotations.length;

    84             else

    85                 invisibles += tAttr.annotations.length;

    87             for (ExtendedAnnotation anno : tAttr.annotations)

    88                 anno.position.toString();

    89         }

    90     }

    92     // test the result of Attributes.getIndex according to expectations

    93     // encoded in the method's name

    94     void test(ClassFile cf, Method m, String name, boolean visible) {

    95         int index = m.attributes.getIndex(cf.constant_pool, name);

    96         if (index != -1) {

    97             Attribute attr = m.attributes.get(index);

    98             assert attr instanceof RuntimeTypeAnnotations_attribute;

    99             RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;

   100             all += tAttr.annotations.length;

   101             if (visible)

   102                 visibles += tAttr.annotations.length;

   103             else

   104                 invisibles += tAttr.annotations.length;

   106             for (ExtendedAnnotation anno : tAttr.annotations)

   107                 anno.position.toString();

   108         }

   109     }

   111     // test the result of Attributes.getIndex according to expectations

   112     // encoded in the method's name

   113     void test(ClassFile cf, Field m, String name, boolean visible) {

   114         int index = m.attributes.getIndex(cf.constant_pool, name);

   115         if (index != -1) {

   116             Attribute attr = m.attributes.get(index);

   117             assert attr instanceof RuntimeTypeAnnotations_attribute;

   118             RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;

   119             all += tAttr.annotations.length;

   120             if (visible)

   121                 visibles += tAttr.annotations.length;

   122             else

   123                 invisibles += tAttr.annotations.length;

   125             for (ExtendedAnnotation anno : tAttr.annotations)

   126                 anno.position.toString();

   127         }

   128     }

   130     File writeTestFile() throws IOException {

   131       File f = new File("Testa.java");

   132         PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));

   133         out.println("import java.util.*;");

   134         out.println("class Testa { ");

   135         out.println("  @interface A { }");

   137         out.println(" void test() {");

   138         out.println("  Object a = @A String.class;");

   139         out.println("  Object b = @A String @A [] @A [].class;");

   140         out.println(" }");

   141         out.println("}");

   143         out.close();

   144         return f;

   145     }

   147     File compileTestFile(File f) {

   148       int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.7", "-g", f.getPath() });

   149         if (rc != 0)

   150             throw new Error("compilation failed. rc=" + rc);

   151         String path = f.getPath();

   152         return new File(path.substring(0, path.length() - 5) + ".class");

   153     }

   155     void countAnnotations() {

   156         int expected_visibles = 0, expected_invisibles = 4;

   157         int expected_all = expected_visibles + expected_invisibles;

   159         if (expected_all != all) {

   160             errors++;

   161             System.err.println("expected " + expected_all

   162                     + " annotations but found " + all);

   163         }

   165         if (expected_visibles != visibles) {

   166             errors++;

   167             System.err.println("expected " + expected_visibles

   168                     + " visibles annotations but found " + visibles);

   169         }

   171         if (expected_invisibles != invisibles) {

   172             errors++;

   173             System.err.println("expected " + expected_invisibles

   174                     + " invisibles annotations but found " + invisibles);

   175         }

   177     }

   179     int errors;

   180     int all;

   181     int visibles;

   182     int invisibles;

   183 }

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