1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain 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,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18 
19 package org.apache.bcel.util;
20 
21 import java.util.Iterator;
22 
23 import org.apache.bcel.AbstractTestCase;
24 import org.apache.bcel.generic.IADD;
25 import org.apache.bcel.generic.ILOAD;
26 import org.apache.bcel.generic.ISTORE;
27 import org.apache.bcel.generic.InstructionHandle;
28 import org.apache.bcel.generic.InstructionList;
29 
30 public class InstructionFinderTest extends AbstractTestCase {
31 
testSearch()32     public void testSearch() {
33         final InstructionList il = new InstructionList();
34         il.append(new ILOAD(1));
35         il.append(new ILOAD(2));
36         il.append(new IADD());
37         il.append(new ISTORE(3));
38         final InstructionFinder finder = new InstructionFinder(il);
39 
40         final Iterator<?> it = finder.search("ILOAD IADD", il.getInstructionHandles()[0], null );
41         final InstructionHandle[] ihs = (InstructionHandle[])it.next();
42         assertEquals(2, ihs.length);
43         assertEquals(ihs[0].getInstruction(), new ILOAD(2));
44         assertEquals(ihs[1].getInstruction(), new IADD());
45     }
46 }
47