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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.verifier.tests;
19  
20  import java.io.IOException;
21  import java.io.OutputStream;
22  
23  import org.apache.bcel.Const;
24  import org.apache.bcel.generic.ClassGen;
25  import org.apache.bcel.generic.ConstantPoolGen;
26  import org.apache.bcel.generic.InstructionConst;
27  import org.apache.bcel.generic.InstructionFactory;
28  import org.apache.bcel.generic.InstructionHandle;
29  import org.apache.bcel.generic.InstructionList;
30  import org.apache.bcel.generic.MethodGen;
31  import org.apache.bcel.generic.ObjectType;
32  import org.apache.bcel.generic.PUSH;
33  import org.apache.bcel.generic.Type;
34  import org.junit.Assert;
35  
36  public class TestArrayAccess03Creator extends TestCreator {
37    private final InstructionFactory _factory;
38    private final ConstantPoolGen    _cp;
39    private final ClassGen           _cg;
40  
41    public TestArrayAccess03Creator() {
42      _cg = new ClassGen(TEST_PACKAGE+".TestArrayAccess03", "java.lang.Object", "TestArrayAccess03.java",
43              Const.ACC_PUBLIC | Const.ACC_SUPER, new String[] {  });
44  
45      _cp = _cg.getConstantPool();
46      _factory = new InstructionFactory(_cg, _cp);
47    }
48  
49    @Override
50  public void create(final OutputStream out) throws IOException {
51      createMethod_0();
52      createMethod_1();
53      _cg.getJavaClass().dump(out);
54    }
55  
56    private void createMethod_0() {
57      final InstructionList il = new InstructionList();
58      final MethodGen method = new MethodGen(Const.ACC_PUBLIC, Type.VOID, Type.NO_ARGS, new String[] {  }, "<init>",
59              TEST_PACKAGE+".TestArrayAccess03", il, _cp);
60  
61      final InstructionHandle ih_0 = il.append(InstructionFactory.createLoad(Type.OBJECT, 0));
62      Assert.assertNotNull(ih_0); // TODO why is this not used
63      il.append(_factory.createInvoke("java.lang.Object", "<init>", Type.VOID, Type.NO_ARGS, Const.INVOKESPECIAL));
64      final InstructionHandle ih_4 = il.append(InstructionFactory.createReturn(Type.VOID));
65      Assert.assertNotNull(ih_4); // TODO why is this not used
66      method.setMaxStack();
67      method.setMaxLocals();
68      _cg.addMethod(method.getMethod());
69      il.dispose();
70    }
71  
72    private void createMethod_1() {
73      final InstructionList il = new InstructionList();
74      final MethodGen method = new MethodGen(Const.ACC_PUBLIC | Const.ACC_STATIC, Type.VOID, new Type[] { Type.OBJECT },
75              new String[] { "arg0" }, "test", TEST_PACKAGE+".TestArrayAccess03", il, _cp);
76  
77      final InstructionHandle ih_0 = il.append(new PUSH(_cp, 1));
78      Assert.assertNotNull(ih_0); // TODO why is this not used
79      il.append(_factory.createNewArray(new ObjectType(TEST_PACKAGE+".TestArrayAccess03"), (short) 1));
80      il.append(InstructionFactory.createStore(Type.OBJECT, 1));
81      final InstructionHandle ih_5 = il.append(InstructionFactory.createLoad(Type.OBJECT, 0));
82      Assert.assertNotNull(ih_5); // TODO why is this not used
83      il.append(new PUSH(_cp, 0));
84      il.append(_factory.createNew(TEST_PACKAGE+".TestArrayAccess03"));
85      il.append(InstructionConst.DUP);
86      il.append(_factory.createInvoke(TEST_PACKAGE+".TestArrayAccess03", "<init>", Type.VOID, Type.NO_ARGS, Const.INVOKESPECIAL));
87      il.append(InstructionConst.AASTORE);
88      final InstructionHandle ih_15 = il.append(InstructionFactory.createReturn(Type.VOID));
89      Assert.assertNotNull(ih_15); // TODO why is this not used
90      method.setMaxStack();
91      method.setMaxLocals();
92      _cg.addMethod(method.getMethod());
93      il.dispose();
94    }
95  }