1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package org.apache.harmony.nio_char.tests.java.nio.charset.spi;
18
19import dalvik.annotation.TestTargetClass;
20import dalvik.annotation.TestTargets;
21import dalvik.annotation.TestTargetNew;
22import dalvik.annotation.TestLevel;
23
24import java.nio.charset.Charset;
25import java.nio.charset.spi.CharsetProvider;
26import java.security.Permission;
27import java.util.Iterator;
28
29import junit.framework.TestCase;
30@TestTargetClass(CharsetProvider.class)
31/**
32 * Test class java.nio.charset.spi.CharsetProvider.
33 */
34public class CharsetProviderTest extends TestCase {
35
36    /*
37     * Test the security check in the constructor.
38     */
39    @TestTargetNew(
40        level = TestLevel.COMPLETE,
41        notes = "",
42        method = "CharsetProvider",
43        args = {}
44    )
45    public void testConstructor() {
46        // with sufficient privilege
47        new MockCharsetProvider();
48
49        SecurityManager oldMan = System.getSecurityManager();
50        System.setSecurityManager(new MockSecurityManager());
51        // set a normal value
52        try {
53            new MockCharsetProvider();
54            fail("Should throw SecurityException!");
55        } catch (SecurityException e) {
56            // expected
57        } finally {
58            System.setSecurityManager(oldMan);
59        }
60    }
61
62    /*
63     * Test the signature.
64     */
65    static class MockCharsetProvider extends CharsetProvider {
66
67        public Charset charsetForName(String charsetName) {
68            return null;
69        }
70
71        public Iterator charsets() {
72            return null;
73        }
74    }
75
76    /*
77     * Used to grant all permissions except charset provider access.
78     */
79    public static class MockSecurityManager extends SecurityManager {
80
81        public MockSecurityManager() {
82        }
83
84        public void checkPermission(Permission perm) {
85            // grant all permissions except logging control
86            if (perm instanceof RuntimePermission) {
87                RuntimePermission rp = (RuntimePermission) perm;
88                if (rp.getName().equals("charsetProvider")) {
89                    throw new SecurityException();
90                }
91            }
92        }
93
94        public void checkPermission(Permission perm, Object context) {
95            // grant all permissions except logging control
96            if (perm instanceof RuntimePermission) {
97                RuntimePermission rp = (RuntimePermission) perm;
98                if (rp.getName().equals("charsetProvider")) {
99                    throw new SecurityException();
100                }
101            }
102        }
103    }
104
105}
106