/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/**
* @author Alexey V. Varlamov
* @version $Revision$
*/

package org.apache.harmony.security.tests.java.security;

import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargets;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetNew;

import java.security.AllPermission;
import java.security.BasicPermission;
import java.security.Permission;
import java.security.PermissionCollection;
import java.security.Permissions;
import java.security.SecurityPermission;
import java.security.UnresolvedPermission;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Enumeration;
import java.util.NoSuchElementException;


import junit.framework.TestCase;
@TestTargetClass(Permissions.class)
/**
 * Tests for <code>Permissions</code>
 *
 */

public class PermissionsTest extends TestCase {
    /**
     * Can add any type of permissions. Cannot add if collection is read-only.
     */
    @TestTargetNew(
        level = TestLevel.PARTIAL_COMPLETE,
        notes = "",
        method = "add",
        args = {java.security.Permission.class}
    )
    public void testAdd() {
        Permissions ps = new Permissions();
        Permission ap = new AllPermission();
        Permission bp = new BasicPermission("jhb23jhg5") {
        };
        Permission sp0 = new SecurityPermission("abc");
        Permission sp1 = new SecurityPermission("a.b.c");
        Permission sp2 = new SecurityPermission("a.b.*");
        Permission sp3 = new SecurityPermission("a.*");
        Permission up1 = new UnresolvedPermission("131234", null, null, null);
        Permission up2 = new UnresolvedPermission("KUJKHVKJgyuygjhb", "xcv456",
            "26r ytf", new java.security.cert.Certificate[0]);
        Permission[] arr = new Permission[] {
            up1, up2, ap, bp, sp0, sp1, sp2, sp3,  };
        for (int i = 0; i < arr.length; i++) {
            ps.add(arr[i]);
        }

        //test add duplicate
        ps.add(up1);
        ps.add(sp0);

        ps.setReadOnly();
        try {
            ps.add(up1);
            fail("read-only flag is ignored");
        } catch (SecurityException ok) {
        }
    }

    /**
     * Should return non-null empty enumeration for empty collection. For
     * non-empty collection, should always return enumeration over unique
     * elements.
     */
    @TestTargetNew(
        level = TestLevel.PARTIAL_COMPLETE,
        notes = "",
        method = "elements",
        args = {}
    )
    public void testElements() {
        Permissions ps = new Permissions();
        Permission ap = new AllPermission();
        Permission bp = new BasicPermission("jhb23jhg5") {

            public PermissionCollection newPermissionCollection() {
                return null;
            }
        };
        Permission sp = new SecurityPermission("abc");
        Permission up1 = new UnresolvedPermission("131234", null, null, null);
        Permission up2 = new UnresolvedPermission("KUJKHVKJgyuygjhb", "xcv456",
            "26r ytf", new java.security.cert.Certificate[0]);

        Enumeration<Permission> en = ps.elements();
        assertNotNull(en);
        assertFalse(en.hasMoreElements());

        ps.add(up1);
        en = ps.elements();
        assertTrue(en.hasMoreElements());
        assertTrue(up1.equals(en.nextElement()));
        assertFalse(en.hasMoreElements());

        ps.add(up1);
        en = ps.elements();
        assertTrue(en.hasMoreElements());
        assertTrue(up1.equals(en.nextElement()));
        //assertFalse(en.hasMoreElements());

        Permission[] arr = new Permission[] {
            ap, bp, sp, up1, up2 };
        for (int i = 0; i < arr.length; i++) {
            ps.add(arr[i]);
        }
        en = ps.elements();
        Collection<Permission> els = new ArrayList<Permission>();
        while (en.hasMoreElements()) {
            els.add(en.nextElement());
        }
        //assertEquals(5, els.size());
        assertTrue(els.containsAll(Arrays.asList(arr)));
    }


    /**
     * input parameter is null
     */
    @TestTargets({
        @TestTargetNew(
            level = TestLevel.PARTIAL_COMPLETE,
            notes = "",
            method = "implies",
            args = {java.security.Permission.class}
        )
    })
    public void testNull(){
        Permissions ps = new Permissions();
        try {
            ps.elements().nextElement();
            fail("should throw NoSuchElementException");
        } catch (NoSuchElementException e) {}
        try {
            ps.implies(null);
            fail("should throw NPE");
        } catch (NullPointerException e){
        }

        try {
            ps.add(null);
            fail("should throw NullPointerException");
        } catch (NullPointerException e){}

    }

 }
