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/protocols/smpp/src/test/java/org/mobicents/protocols/smpp/util/DefaultSequenceSchemeTest.java

http://mobicents.googlecode.com/
Java | 71 lines | 43 code | 6 blank | 22 comment | 4 complexity | 5114ed2a0ae24fffc4a01385d76bdaef MD5 | raw file
 1/*
 2 * JBoss, Home of Professional Open Source
 3 * Copyright 2011, Red Hat, Inc. and individual contributors
 4 * by the @authors tag. See the copyright.txt in the distribution for a
 5 * full listing of individual contributors.
 6 *
 7 * This is free software; you can redistribute it and/or modify it
 8 * under the terms of the GNU Lesser General Public License as
 9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22
23package org.mobicents.protocols.smpp.util;
24
25import static org.testng.Assert.assertEquals;
26import static org.testng.Assert.assertTrue;
27
28import org.mobicents.protocols.smpp.util.DefaultSequenceScheme;
29import org.testng.annotations.Test;
30
31@Test
32public class DefaultSequenceSchemeTest {
33
34    public void testNextNumber() {
35        DefaultSequenceScheme seq = new DefaultSequenceScheme();
36        assertEquals(seq.nextNumber(), 1L);
37        assertEquals(seq.nextNumber(), 2L);
38        assertEquals(seq.nextNumber(), 3L);
39        assertEquals(seq.nextNumber(), 4L);
40        assertEquals(seq.nextNumber(), 5L);
41        assertEquals(seq.nextNumber(), 6L);
42    }
43    public void testPeek() {
44        DefaultSequenceScheme seq = new DefaultSequenceScheme();
45        assertEquals(seq.peek(), 1L);
46        assertEquals(seq.nextNumber(), 1L);
47        assertEquals(seq.peek(), 2L);
48        assertEquals(seq.peek(), 2L);
49        assertEquals(seq.peek(), 2L);
50        assertEquals(seq.peek(), 2L);
51        assertEquals(seq.nextNumber(), 2L);
52        assertEquals(seq.peek(), 3L);
53        assertEquals(seq.peek(10L), 13L);
54    }
55    public void testReset() {
56        DefaultSequenceScheme seq = new DefaultSequenceScheme();
57        while (seq.nextNumber() < 1450L);
58        assertEquals(seq.peek(), 1451);
59        seq.reset();
60        assertEquals(seq.nextNumber(), 1);
61    }
62
63    public void testWrap() {
64        DefaultSequenceScheme dss = new DefaultSequenceScheme(
65                DefaultSequenceScheme.MAX_VALUE - 1);
66        assertTrue(dss.nextNumber() == DefaultSequenceScheme.MAX_VALUE - 1L);
67        assertTrue(dss.nextNumber() == DefaultSequenceScheme.MAX_VALUE);
68        //Resets back to start
69        assertTrue(dss.nextNumber() == DefaultSequenceScheme.MAX_VALUE - 1);
70    }
71}