ResponseCacheTest.java revision 561ee011997c6c2f1befbfaa9d5f0a99771c1d63 
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.luni.tests.java.net;
18
19import java.io.IOException;
20import java.net.CacheRequest;
21import java.net.CacheResponse;
22import java.net.NetPermission;
23import java.net.ResponseCache;
24import java.net.URI;
25import java.net.URLConnection;
26import java.security.Permission;
27import java.util.Map;
28
29import junit.framework.TestCase;
30
31public class ResponseCacheTest extends TestCase {
32
33	/**
34	 * @tests java.net.ResponseCache#getDefault()
35	 */
36	public void test_GetDefault() throws Exception {
37		assertNull(ResponseCache.getDefault());
38	}
39
40	/**
41	 * @tests java.net.ResponseCache#setDefault(ResponseCache)
42	 */
43	public void test_SetDefaultLjava_net_ResponseCache_Normal()
44			throws Exception {
45		ResponseCache rc1 = new MockResponseCache();
46		ResponseCache rc2 = new MockResponseCache();
47		ResponseCache.setDefault(rc1);
48		assertSame(ResponseCache.getDefault(), rc1);
49		ResponseCache.setDefault(rc2);
50		assertSame(ResponseCache.getDefault(), rc2);
51		ResponseCache.setDefault(null);
52		assertNull(ResponseCache.getDefault());
53	}
54
55	/**
56	 * @tests java.net.ResponseCache#getDefault()
57	 */
58	public void test_GetDefault_Security() {
59		SecurityManager old = System.getSecurityManager();
60		try {
61			System.setSecurityManager(new MockSM());
62		} catch (SecurityException e) {
63			System.err.println("No setSecurityManager permission.");
64			System.err.println("test_setDefaultLjava_net_ResponseCache_NoPermission is not tested");
65			return;
66		}
67		try {
68			ResponseCache.getDefault();
69			fail("should throw SecurityException");
70		} catch (SecurityException e) {
71			// expected
72		} finally {
73			System.setSecurityManager(old);
74		}
75	}
76
77	/**
78	 * @tests java.net.ResponseCache#setDefault(ResponseCache)
79	 */
80	public void test_setDefaultLjava_net_ResponseCache_NoPermission() {
81		ResponseCache rc = new MockResponseCache();
82		SecurityManager old = System.getSecurityManager();
83		try {
84			System.setSecurityManager(new MockSM());
85		} catch (SecurityException e) {
86			System.err.println("No setSecurityManager permission.");
87			System.err.println("test_setDefaultLjava_net_ResponseCache_NoPermission is not tested");
88			return;
89		}
90		try {
91			ResponseCache.setDefault(rc);
92			fail("should throw SecurityException");
93		} catch (SecurityException e) {
94			// expected
95		} finally {
96			System.setSecurityManager(old);
97		}
98	}
99
100	/*
101	 * MockResponseCache for testSetDefault(ResponseCache)
102	 */
103	class MockResponseCache extends ResponseCache {
104
105		public CacheResponse get(URI arg0, String arg1, Map arg2)
106				throws IOException {
107			return null;
108		}
109
110		public CacheRequest put(URI arg0, URLConnection arg1)
111				throws IOException {
112			return null;
113		}
114	}
115
116	/*
117	 * MockSecurityMaanger. It denies NetPermission("getResponseCache") and
118	 * NetPermission("setResponseCache").
119	 */
120	class MockSM extends SecurityManager {
121		public void checkPermission(Permission permission) {
122			if (permission instanceof NetPermission) {
123				if ("setResponseCache".equals(permission.getName())) {
124					throw new SecurityException();
125				}
126			}
127
128			if (permission instanceof NetPermission) {
129				if ("getResponseCache".equals(permission.getName())) {
130					throw new SecurityException();
131				}
132			}
133
134			if (permission instanceof RuntimePermission) {
135				if ("setSecurityManager".equals(permission.getName())) {
136					return;
137				}
138			}
139		}
140	}
141}
142