/*

 * 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

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 */

/*

 * @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");}

}