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Java > Open Source Codes > edu > umd > cs > findbugs > OpcodeStackItemTest


1 /*
2  * FindBugs - Find Bugs in Java programs
3  * Copyright (C) 2005, University of Maryland
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19
20 package edu.umd.cs.findbugs;
21
22 import junit.framework.TestCase;
23
24
25 public class OpcodeStackItemTest extends TestCase {
26     public void testMergeIntAndZero() {
27         OpcodeStack.Item intItem = new OpcodeStack.Item("I");
28         OpcodeStack.Item zeroItem = new OpcodeStack.Item("I",0);
29         OpcodeStack.Item m1 = OpcodeStack.Item.merge(intItem, zeroItem);
30         assertNull(m1.getConstant());
31         OpcodeStack.Item m2 = OpcodeStack.Item.merge(zeroItem, intItem );
32         assertNull(m2.getConstant());
33     }
34
35 }
36
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