/*
    * Copyright (c) 2008, 2010, 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 6761678
   * @summary Check properties of Annotations returned from
   * getParameterAnnotations, including freedom from security
   * exceptions.
   * @run main/othervm ParameterAnnotations
   * @author Martin Buchholz
   */
  
  import java.lang.annotation.Annotation;
  import java.lang.annotation.ElementType;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.lang.annotation.Target;
  import java.lang.reflect.Method;
  import java.security.Permission;
  import java.security.Policy;
  import java.security.ProtectionDomain;
  
  @Retention(RetentionPolicy.RUNTIME)
  @Target({ ElementType.FIELD, ElementType.PARAMETER })
  @interface Named {
    String value();
  }
  
  public class ParameterAnnotations {
  
      // A security policy that differs from the default only in that it
      // allows a security manager to be uninstalled.
      static class MyPolicy extends Policy {
          final Policy defaultPolicy;
          MyPolicy(Policy defaultPolicy) {
              this.defaultPolicy = defaultPolicy;
          }
          public boolean implies(ProtectionDomain pd, Permission p) {
              return p.getName().equals("setSecurityManager") ||
                  defaultPolicy.implies(pd, p);
          }
      }
  
      public void nop(@Named("foo") Object foo,
                      @Named("bar") Object bar) {
      }
  
      void test(String[] args) throws Throwable {
          // Test without a security manager
          test1();
  
          // Test with a security manager
          Policy defaultPolicy = Policy.getPolicy();
          Policy.setPolicy(new MyPolicy(defaultPolicy));
          System.setSecurityManager(new SecurityManager());
          try {
              test1();
          } finally {
              System.setSecurityManager(null);
              Policy.setPolicy(defaultPolicy);
          }
      }
  
      void test1() throws Throwable {
          for (Method m : thisClass.getMethods()) {
              if (m.getName().equals("nop")) {
                  Annotation[][] ann = m.getParameterAnnotations();
                  equal(ann.length, 2);
                  Annotation foo = ann[0][0];
                  Annotation bar = ann[1][0];
                  equal(foo.toString(), "@Named(value=foo)");
                  equal(bar.toString(), "@Named(value=bar)");
                  check(foo.equals(foo));
                  check(! foo.equals(bar));
              }
          }
      }
  
     //--------------------- Infrastructure ---------------------------
     volatile int passed = 0, failed = 0;
     void pass() {passed++;}
     void fail() {failed++; Thread.dumpStack();}
     void fail(String msg) {System.err.println(msg); fail();}
     void unexpected(Throwable t) {failed++; t.printStackTrace();}
     void check(boolean cond) {if (cond) pass(); else fail();}
     void equal(Object x, Object y) {
         if (x == null ? y == null : x.equals(y)) pass();
         else fail(x + " not equal to " + y);}
     static Class<?> thisClass = new Object(){}.getClass().getEnclosingClass();
     public static void main(String[] args) throws Throwable {
         try {thisClass.getMethod("instanceMain",String[].class)
                 .invoke(thisClass.newInstance(), (Object) args);}
         catch (Throwable e) {throw e.getCause();}}
     public void instanceMain(String[] args) throws Throwable {
         try {test(args);} catch (Throwable t) {unexpected(t);}
         System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
         if (failed > 0) throw new AssertionError("Some tests failed");}
 }