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 package org.apache.bcel.generic; 19 20 import org.junit.Assert; 21 import org.junit.Test; 22 23 public class InstructionHandleTestCase { 24 25 // Test that setInstruction only allows Instructions that are not BranchInstructions 26 27 @Test(expected=ClassGenException.class) testsetInstructionNull()28 public void testsetInstructionNull() { 29 final InstructionHandle ih = InstructionHandle.getInstructionHandle(new NOP());// have to start with a valid non BI 30 Assert.assertNotNull(ih); 31 ih.setInstruction(null); 32 Assert.assertNotNull(ih); 33 } 34 35 @Test testsetInstructionI()36 public void testsetInstructionI() { 37 final InstructionHandle ih = InstructionHandle.getInstructionHandle(new NOP());// have to start with a valid non BI 38 Assert.assertNotNull(ih); 39 ih.setInstruction(new NOP()); 40 Assert.assertNotNull(ih); 41 } 42 43 @Test(expected=ClassGenException.class) testsetInstructionnotI()44 public void testsetInstructionnotI() { 45 final InstructionHandle ih = InstructionHandle.getInstructionHandle(new NOP());// have to start with a valid non BI 46 Assert.assertNotNull(ih); 47 ih.setInstruction(new GOTO(null)); 48 Assert.assertNotNull(ih); 49 } 50 51 @Test(expected=ClassGenException.class) testGetIHnull()52 public void testGetIHnull() { 53 InstructionHandle.getInstructionHandle(null); 54 } 55 56 @Test testBCEL195()57 public void testBCEL195() { 58 final InstructionList il = new InstructionList(); 59 final InstructionHandle ih = il.append(InstructionConst.NOP); 60 new TABLESWITCH(new int[0], new InstructionHandle[0], ih); 61 new TABLESWITCH(new int[0], new InstructionHandle[0], ih); 62 } 63 } 64