Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 2013, 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.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * 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.

  */

 /*

  * @test

  * @bug 8005931

  * @summary javac doesn't set ACC_STRICT for classes with package access

  * @run main CheckACC_STRICTFlagOnPkgAccessClassTest

  */

 import java.io.File;

 import java.io.IOException;

 import java.net.URI;

 import java.util.ArrayList;

 import java.util.Arrays;

 import java.util.List;

 import javax.tools.JavaCompiler;

 import javax.tools.JavaFileObject;

 import javax.tools.SimpleJavaFileObject;

 import javax.tools.ToolProvider;

 import com.sun.source.util.JavacTask;

 import com.sun.tools.classfile.ClassFile;

 import com.sun.tools.classfile.ConstantPoolException;

 import com.sun.tools.classfile.Descriptor;

 import com.sun.tools.classfile.Descriptor.InvalidDescriptor;

 import com.sun.tools.classfile.Method;

 import static com.sun.tools.classfile.AccessFlags.ACC_STRICT;

 public class CheckACC_STRICTFlagOnPkgAccessClassTest {

     private static final String AssertionErrorMessage =

         "All methods should have the ACC_STRICT access flag " +

         "please check output";

     private static final String CompilationErrorMessage =

         "Error thrown when compiling the following source:\n";

     private static final String offendingMethodErrorMessage =

         "Method %s of class %s doesn't have the ACC_STRICT access flag";

     JavaSource source = new JavaSource();

     private List<String> errors = new ArrayList<>();

     public static void main(String[] args)

             throws IOException, ConstantPoolException, InvalidDescriptor {

         JavaCompiler comp = ToolProvider.getSystemJavaCompiler();

         new CheckACC_STRICTFlagOnPkgAccessClassTest().run(comp);

     }

     private void run(JavaCompiler comp)

             throws IOException, ConstantPoolException, InvalidDescriptor {

         compile(comp);

         check();

         if (errors.size() > 0) {

             for (String error: errors) {

                 System.err.println(error);

             }

             throw new AssertionError(AssertionErrorMessage);

         }

     }

     private void compile(JavaCompiler comp) {

         JavacTask ct = (JavacTask)comp.getTask(null, null, null, null, null,

                 Arrays.asList(source));

         try {

             if (!ct.call()) {

                 throw new AssertionError(CompilationErrorMessage +

                         source.getCharContent(true));

             }

         } catch (Throwable ex) {

             throw new AssertionError(CompilationErrorMessage +

                     source.getCharContent(true));

         }

     }

     void check()

         throws

             IOException,

             ConstantPoolException,

             Descriptor.InvalidDescriptor {

         ClassFile classFileToCheck = ClassFile.read(new File("Test.class"));

         for (Method method : classFileToCheck.methods) {

             if ((method.access_flags.flags & ACC_STRICT) == 0) {

                 errors.add(String.format(offendingMethodErrorMessage,

                         method.getName(classFileToCheck.constant_pool),

                         classFileToCheck.getName()));

             }

         }

     }

     class JavaSource extends SimpleJavaFileObject {

         String source = "strictfp class Test {" +

                 "    Test(){}" +

                 "    void m(){}" +

                 "}";

         public JavaSource() {

             super(URI.create("Test.java"), JavaFileObject.Kind.SOURCE);

         }

         @Override

         public CharSequence getCharContent(boolean ignoreEncodingErrors) {

             return source;

         }

     }

 }