InetAddressTest.java revision 5d3f5562c167120b5ec00e509af0f0ab9308bff5 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * 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 libcore.java.net;
18
19import java.net.InetAddress;
20
21public class InetAddressTest extends junit.framework.TestCase {
22    public void test_parseNumericAddress() throws Exception {
23        // Regular IPv4.
24        assertEquals("/1.2.3.4", InetAddress.parseNumericAddress("1.2.3.4").toString());
25        // Regular IPv6.
26        assertEquals("/2001:4860:800d::68", InetAddress.parseNumericAddress("2001:4860:800d::68").toString());
27        // Weird IPv4 special cases.
28        assertEquals("/1.2.0.3", InetAddress.parseNumericAddress("1.2.3").toString());
29        assertEquals("/1.0.0.2", InetAddress.parseNumericAddress("1.2").toString());
30        assertEquals("/0.0.0.1", InetAddress.parseNumericAddress("1").toString());
31        try {
32            // Almost numeric but invalid...
33            InetAddress.parseNumericAddress("1.");
34            fail();
35        } catch (IllegalArgumentException expected) {
36        }
37        try {
38            // Not even close to numeric...
39            InetAddress.parseNumericAddress("www.google.com");
40            fail();
41        } catch (IllegalArgumentException expected) {
42        }
43        // Strange special cases, for compatibility with InetAddress.getByName.
44        assertTrue(InetAddress.parseNumericAddress(null).isLoopbackAddress());
45        assertTrue(InetAddress.parseNumericAddress("").isLoopbackAddress());
46    }
47
48    public void test_getLoopbackAddress() throws Exception {
49        assertTrue(InetAddress.getLoopbackAddress().isLoopbackAddress());
50    }
51}
52