1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.dx.merge;
18 
19 import com.android.dex.Dex;
20 import com.android.dex.DexException;
21 import java.io.IOException;
22 import junit.framework.TestCase;
23 
24 public final class MergeConflictTest extends TestCase {
25 
testMergeConflict()26     public void testMergeConflict() throws IOException {
27         Dex a = resourceToDexBuffer("/testdata/A.dex");
28         Dex b = resourceToDexBuffer("/testdata/B.dex");
29 
30         // a and b don't overlap; this should succeed
31         Dex ab = new DexMerger(new Dex[]{a, b}, CollisionPolicy.FAIL).merge();
32 
33         // a and ab overlap; this should fail
34         DexMerger dexMerger = new DexMerger(new Dex[]{a, ab}, CollisionPolicy.FAIL);
35         try {
36             dexMerger.merge();
37             fail();
38         } catch (DexException expected) {
39             assertEquals("Multiple dex files define Ltestdata/A;", expected.getMessage());
40         }
41     }
42 
resourceToDexBuffer(String resource)43     private Dex resourceToDexBuffer(String resource) throws IOException {
44         return new Dex(getClass().getResourceAsStream(resource));
45     }
46 }
47