1/*
2 * Copyright 2013, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.baksmali;
33
34import com.google.common.base.Charsets;
35import com.google.common.io.Resources;
36import junit.framework.Assert;
37import org.jf.baksmali.Adaptors.ClassDefinition;
38import org.jf.dexlib2.DexFileFactory;
39import org.jf.dexlib2.Opcodes;
40import org.jf.dexlib2.analysis.ClassPath;
41import org.jf.dexlib2.analysis.ClassProvider;
42import org.jf.dexlib2.iface.ClassDef;
43import org.jf.dexlib2.iface.DexFile;
44import org.jf.util.IndentingWriter;
45import org.jf.util.TextUtils;
46import org.junit.Test;
47
48import javax.annotation.Nonnull;
49import java.io.File;
50import java.io.IOException;
51import java.io.StringWriter;
52import java.net.URISyntaxException;
53import java.net.URL;
54import java.util.ArrayList;
55
56public class AnalysisTest {
57
58    @Test
59    public void ConstructorTest() throws IOException, URISyntaxException {
60        runTest("ConstructorTest", true);
61    }
62
63    @Test
64    public void RegisterEqualityOnMergeTest() throws IOException, URISyntaxException {
65        runTest("RegisterEqualityOnMergeTest", true);
66    }
67
68    @Test
69    public void UninitRefIdentityTest() throws IOException, URISyntaxException {
70        runTest("UninitRefIdentityTest", true);
71    }
72
73    @Test
74    public void InstanceOfTest() throws IOException, URISyntaxException {
75        runTest("InstanceOfTest", true, true);
76    }
77
78    @Test
79    public void MultipleStartInstructionsTest() throws IOException, URISyntaxException {
80        runTest("MultipleStartInstructionsTest", true);
81    }
82
83    @Test
84    public void DuplicateTest() throws IOException, URISyntaxException {
85        runTest("DuplicateTest", false);
86    }
87
88    @Test
89    public void LocalTest() throws IOException, URISyntaxException {
90        runTest("LocalTest", false);
91    }
92
93    public void runTest(String test, boolean registerInfo) throws IOException, URISyntaxException {
94        runTest(test, registerInfo, false);
95    }
96
97    public void runTest(String test, boolean registerInfo, boolean isArt) throws IOException, URISyntaxException {
98        String dexFilePath = String.format("%s%sclasses.dex", test, File.separatorChar);
99
100        DexFile dexFile = DexFileFactory.loadDexFile(findResource(dexFilePath), Opcodes.getDefault());
101
102        BaksmaliOptions options = new BaksmaliOptions();
103        if (registerInfo) {
104            options.registerInfo = BaksmaliOptions.ALL | BaksmaliOptions.FULLMERGE;
105            if (isArt) {
106                options.classPath = new ClassPath(new ArrayList<ClassProvider>(), true, 56);
107            } else {
108                options.classPath = new ClassPath();
109            }
110        }
111        options.implicitReferences = false;
112
113        for (ClassDef classDef: dexFile.getClasses()) {
114            StringWriter stringWriter = new StringWriter();
115            IndentingWriter writer = new IndentingWriter(stringWriter);
116            ClassDefinition classDefinition = new ClassDefinition(options, classDef);
117            classDefinition.writeTo(writer);
118            writer.close();
119
120            String className = classDef.getType();
121            String smaliPath = String.format("%s%s%s.smali", test, File.separatorChar,
122                    className.substring(1, className.length() - 1));
123            String smaliContents = readResource(smaliPath);
124
125            Assert.assertEquals(TextUtils.normalizeWhitespace(smaliContents),
126                    TextUtils.normalizeWhitespace((stringWriter.toString())));
127        }
128    }
129
130    @Nonnull
131    private File findResource(String resource) throws URISyntaxException {
132        URL resUrl = Resources.getResource(resource);
133        return new File(resUrl.toURI());
134    }
135
136    @Nonnull
137    private String readResource(String resource) throws URISyntaxException, IOException {
138        URL url = Resources.getResource(resource);
139        return Resources.toString(url, Charsets.UTF_8);
140    }
141}
142