blob: a8f8ba4b89760e797255da01e3cecb162f0da41b [file] [log] [blame]
Umesh Krishnaswamy345ee992012-12-13 20:29:48 -08001/**
2* Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior
3* University
4*
5* Licensed under the Apache License, Version 2.0 (the "License"); you may
6* not use this file except in compliance with the License. You may obtain
7* a copy of the License at
8*
9* http://www.apache.org/licenses/LICENSE-2.0
10*
11* Unless required by applicable law or agreed to in writing, software
12* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
13* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
14* License for the specific language governing permissions and limitations
15* under the License.
16**/
17
18package org.openflow.util;
19
20import org.junit.Test;
21
22import junit.framework.TestCase;
23
24/**
25 * Does hexstring conversion work?
26 *
27 * @author Rob Sherwood (rob.sherwood@stanford.edu)
28 *
29 */
30
31public class HexStringTest extends TestCase {
32
33 @Test
34 public void testMarshalling() throws Exception {
35 String dpidStr = "00:00:00:23:20:2d:16:71";
36 long dpid = HexString.toLong(dpidStr);
37 String testStr = HexString.toHexString(dpid);
38 TestCase.assertEquals(dpidStr, testStr);
39 }
40
41 @Test
42 public void testToLong() {
43 String dpidStr = "3e:1f:01:fc:72:8c:63:31";
44 long valid = 0x3e1f01fc728c6331L;
45 long testLong = HexString.toLong(dpidStr);
46 TestCase.assertEquals(valid, testLong);
47 }
48
49 @Test
50 public void testToLongMSB() {
51 String dpidStr = "ca:7c:5e:d1:64:7a:95:9b";
52 long valid = -3856102927509056101L;
53 long testLong = HexString.toLong(dpidStr);
54 TestCase.assertEquals(valid, testLong);
55 }
56
57 @Test
58 public void testToLongError() {
59 String dpidStr = "09:08:07:06:05:04:03:02:01";
60 try {
61 HexString.toLong(dpidStr);
62 fail("HexString.toLong() should have thrown a NumberFormatException");
63 }
64 catch (NumberFormatException expected) {
65 // do nothing
66 }
67 }
68
69 @Test
70 public void testToStringBytes() {
71 byte[] dpid = { 0, 0, 0, 0, 0, 0, 0, -1 };
72 String valid = "00:00:00:00:00:00:00:ff";
73 String testString = HexString.toHexString(dpid);
74 TestCase.assertEquals(valid, testString);
75 }
76
77 @Test
78 public void testFromHexStringError() {
79 String invalidStr = "00:00:00:00:00:00:ffff";
80 try {
81 HexString.fromHexString(invalidStr);
82 fail("HexString.fromHexString() should have thrown a NumberFormatException");
83 }
84 catch (NumberFormatException expected) {
85 // do nothing
86 }
87 }
88}