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 package org.apache.bcel.generic;
18
19 import static org.junit.jupiter.api.Assertions.assertNotNull;
20 import static org.junit.jupiter.api.Assertions.assertThrows;
21
22 import org.junit.jupiter.api.Test;
23
24 public class BranchHandleTestCase {
25
26 @Test
27 public void testGetBHnull() {
28 assertThrows(ClassGenException.class, () -> BranchHandle.getBranchHandle(null));
29 }
30
31 @Test
32 public void testsetInstructionBI() {
33 final BranchHandle bh = BranchHandle.getBranchHandle(new GOTO(null));// have to start with a valid BI
34 assertNotNull(bh);
35 bh.setInstruction(new GOTO(null));
36 assertNotNull(bh);
37 }
38
39 @Test
40 public void testsetInstructionnotBI() {
41 final BranchHandle bh = BranchHandle.getBranchHandle(new GOTO(null));// have to start with a valid BI
42 assertNotNull(bh);
43 assertThrows(ClassGenException.class, () -> bh.setInstruction(new NOP()));
44 }
45
46 // Test that setInstruction only allows BranchInstructions
47 @Test
48 public void testsetInstructionNull() {
49 final BranchHandle bh = BranchHandle.getBranchHandle(new GOTO(null));// have to start with a valid BI
50 assertNotNull(bh);
51 assertThrows(ClassGenException.class, () -> bh.setInstruction(null));
52 }
53 }