jdk8-mips64-public/langtools: test/tools/javap/typeAnnotations/ArrayClassLiterals.java@99b7a25185aa (annotated)

test/tools/javap/typeAnnotations/ArrayClassLiterals.java@99b7a25185aa (annotated)

test/tools/javap/typeAnnotations/ArrayClassLiterals.java

Thu, 23 Jul 2009 11:37:44 -0700

author: jjg
date: Thu, 23 Jul 2009 11:37:44 -0700
changeset 328: 99b7a25185aa
child 329: 49387c1440d0
permissions: -rw-r--r--

6863814: javap crashes when facing array class literals
Reviewed-by: jjg
Contributed-by: mali@csail.mit.edu

 /*
  * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */
 import java.io.*;
 import com.sun.tools.classfile.*;
 /*
  * @test ArrayClassLiterals
  * @summary test that class literals array doesn't crash javap
  */
 public class ArrayClassLiterals {
     public static void main(String[] args) throws Exception {
         new ArrayClassLiterals().run();
     }
     public void run() throws Exception {
         File javaFile = writeTestFile();
         File classFile = compileTestFile(javaFile);
         ClassFile cf = ClassFile.read(classFile);
         test(cf);
         for (Field f : cf.fields) {
             test(cf, f);
         }
         for (Method m: cf.methods) {
             test(cf, m);
         }
         countAnnotations();
         if (errors > 0)
             throw new Exception(errors + " errors found");
         System.out.println("PASSED");
     }
     void test(ClassFile cf) {
         test(cf, Attribute.RuntimeVisibleTypeAnnotations, true);
         test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false);
     }
     void test(ClassFile cf, Method m) {
         test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
         test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
     }
     void test(ClassFile cf, Field m) {
         test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
         test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
     }
     // test the result of Attributes.getIndex according to expectations
     // encoded in the method's name
     void test(ClassFile cf, String name, boolean visible) {
         int index = cf.attributes.getIndex(cf.constant_pool, name);
         if (index != -1) {
             Attribute attr = cf.attributes.get(index);
             assert attr instanceof RuntimeTypeAnnotations_attribute;
             RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
             all += tAttr.annotations.length;
             if (visible)
                 visibles += tAttr.annotations.length;
             else
                 invisibles += tAttr.annotations.length;
             for (ExtendedAnnotation anno : tAttr.annotations)
                 anno.position.toString();
         }
     }
     // test the result of Attributes.getIndex according to expectations
     // encoded in the method's name
     void test(ClassFile cf, Method m, String name, boolean visible) {
         int index = m.attributes.getIndex(cf.constant_pool, name);
         if (index != -1) {
             Attribute attr = m.attributes.get(index);
             assert attr instanceof RuntimeTypeAnnotations_attribute;
             RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
             all += tAttr.annotations.length;
             if (visible)
                 visibles += tAttr.annotations.length;
             else
                 invisibles += tAttr.annotations.length;
             for (ExtendedAnnotation anno : tAttr.annotations)
                 anno.position.toString();
         }
     }
     // test the result of Attributes.getIndex according to expectations
     // encoded in the method's name
     void test(ClassFile cf, Field m, String name, boolean visible) {
         int index = m.attributes.getIndex(cf.constant_pool, name);
         if (index != -1) {
             Attribute attr = m.attributes.get(index);
             assert attr instanceof RuntimeTypeAnnotations_attribute;
             RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
             all += tAttr.annotations.length;
             if (visible)
                 visibles += tAttr.annotations.length;
             else
                 invisibles += tAttr.annotations.length;
             for (ExtendedAnnotation anno : tAttr.annotations)
                 anno.position.toString();
         }
     }
     File writeTestFile() throws IOException {
       File f = new File("Testa.java");
         PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
         out.println("import java.util.*;");
         out.println("class Testa { ");
         out.println("  @interface A { }");
         out.println(" void test() {");
         out.println("  Object a = @A String.class;");
         out.println("  Object b = @A String @A [] @A [].class;");
         out.println(" }");
         out.println("}");
         out.close();
         return f;
     }
     File compileTestFile(File f) {
       int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.7", "-g", f.getPath() });
         if (rc != 0)
             throw new Error("compilation failed. rc=" + rc);
         String path = f.getPath();
         return new File(path.substring(0, path.length() - 5) + ".class");
     }
     void countAnnotations() {
         int expected_visibles = 0, expected_invisibles = 4;
         int expected_all = expected_visibles + expected_invisibles;
         if (expected_all != all) {
             errors++;
             System.err.println("expected " + expected_all
                     + " annotations but found " + all);
         }
         if (expected_visibles != visibles) {
             errors++;
             System.err.println("expected " + expected_visibles
                     + " visibles annotations but found " + visibles);
         }
         if (expected_invisibles != invisibles) {
             errors++;
             System.err.println("expected " + expected_invisibles
                     + " invisibles annotations but found " + invisibles);
         }
     }
     int errors;
     int all;
     int visibles;
     int invisibles;
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javap/typeAnnotations/ArrayClassLiterals.java@99b7a25185aa (annotated)

test/tools/javap/typeAnnotations/ArrayClassLiterals.java