1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.jack.cfg;
import com.android.jack.Options;
import com.android.jack.TestTools;
import com.android.jack.ir.ast.JAsgOperation;
import com.android.jack.ir.ast.JExpressionStatement;
import com.android.jack.ir.ast.JIfStatement;
import com.android.jack.ir.ast.JMethod;
import com.android.jack.ir.ast.JStatement;
import com.android.jack.util.filter.SignatureMethodFilter;
import junit.framework.Assert;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.util.List;
public class BuildCfgTest {
private List<BasicBlock> bbCodeOder;
private static final String CLASS_BINARY_NAME = "com/android/jack/fibonacci/test001/jack/FibonacciThreeAddress";
@Before
public void setUp() throws Exception {
String classSignature = "L" + CLASS_BINARY_NAME + ";";
File fileName = TestTools.getJackTestFromBinaryName(CLASS_BINARY_NAME);
final String methodSignature = "fibonacci(I)I";
Options commandLineArgs = TestTools.buildCommandLineArgs(fileName);
commandLineArgs.addProperty(Options.METHOD_FILTER.getName(), "method-with-signature");
commandLineArgs.addProperty(SignatureMethodFilter.METHOD_SIGNATURE_FILTER.getName(),
methodSignature);
JMethod method = CfgTools.buildCfg(classSignature, methodSignature, commandLineArgs);
ControlFlowGraph cfg = method.getMarker(ControlFlowGraph.class);
assert cfg != null;
bbCodeOder = cfg.getNodes();
}
@Test
public void cfg001() throws Exception {
Assert.assertEquals(6, bbCodeOder.size());
Assert.assertEquals(true, bbCodeOder.get(1).getLastInstruction() instanceof JIfStatement);
Assert.assertEquals(2, bbCodeOder.get(1).getSuccessors().size());
JStatement lastInstruction = bbCodeOder.get(3).getLastInstruction();
Assert.assertEquals(true,
lastInstruction instanceof JExpressionStatement);
Assert.assertTrue(
((JExpressionStatement) lastInstruction).getExpr() instanceof JAsgOperation);
Assert.assertEquals(true,
bbCodeOder.get(4).getLastInstruction() instanceof JExpressionStatement);
}
@Test
public void cfg002() throws Exception {
for (BasicBlock bb : bbCodeOder) {
for (BasicBlock succ : bb.getSuccessors()) {
Assert.assertTrue(succ.getPredecessors().contains(bb));
}
}
}
}
|
