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.

  *

  * 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 8025087

  * @summary Verify that pre-JDK8 classfiles with default and/or static methods

  *          are refused correctly.

  * @build BadClassfile

  * @run main BadClassfile

  */

 import com.sun.tools.classfile.*;

 import com.sun.tools.javac.api.JavacTaskImpl;

 import com.sun.tools.javac.code.Symbol;

 import com.sun.tools.javac.jvm.ClassReader.BadClassFile;

 import com.sun.tools.javac.jvm.Target;

 import com.sun.tools.javac.util.Assert;

 import com.sun.tools.javac.util.JCDiagnostic;

 import java.io.File;

 import java.util.Arrays;

 import java.util.Objects;

 import javax.tools.JavaCompiler;

 import javax.tools.ToolProvider;

 public class BadClassfile {

     public static void main(String... args) throws Exception {

         test("BadClassfile$DefaultMethodTest", "compiler.misc.invalid.default.interface");

         test("BadClassfile$StaticMethodTest", "compiler.misc.invalid.static.interface");

     }

     private static void test(String classname, String expected) throws Exception {

         File classfile = new File(System.getProperty("test.classes", "."), classname + ".class");

         ClassFile cf = ClassFile.read(classfile);

         cf = new ClassFile(cf.magic, Target.JDK1_7.minorVersion,

                  Target.JDK1_7.majorVersion, cf.constant_pool, cf.access_flags,

                 cf.this_class, cf.super_class, cf.interfaces, cf.fields,

                 cf.methods, cf.attributes);

         new ClassWriter().write(cf, classfile);

         JavaCompiler c = ToolProvider.getSystemJavaCompiler();

         JavacTaskImpl task = (JavacTaskImpl) c.getTask(null, null, null, Arrays.asList("-classpath", System.getProperty("test.classes", ".")), null, null);

         try {

             Symbol clazz = com.sun.tools.javac.main.JavaCompiler.instance(task.getContext()).resolveIdent(classname);

             clazz.complete();

         } catch (BadClassFile f) {

             JCDiagnostic embeddedDiag = (JCDiagnostic) f.diag.getArgs()[1];

             assertEquals(expected, embeddedDiag.getCode());

             assertEquals(Integer.toString(Target.JDK1_7.majorVersion), embeddedDiag.getArgs()[0]);

             assertEquals(Integer.toString(Target.JDK1_7.minorVersion), embeddedDiag.getArgs()[1]);

         }

     }

     private static void assertEquals(Object expected, Object actual) {

         Assert.check(Objects.equals(expected, actual),

                      "expected: " + expected + ", but was: " + actual);

     }

     interface DefaultMethodTest {

         default void test() { }

     }

     interface StaticMethodTest {

         static void test() { }

     }

 }