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11 package org.eclipse.jgit.internal.storage.file;
12
13 import static org.junit.Assert.assertFalse;
14 import static org.junit.Assert.assertTrue;
15
16 import org.junit.Test;
17
18 import com.googlecode.javaewah.EWAHCompressedBitmap;
19
20 public class InflatingBitSetTest {
21
22 @Test
23 public void testMaybeContains() {
24 EWAHCompressedBitmap ecb = new EWAHCompressedBitmap();
25 ecb.set(63);
26 ecb.set(64);
27 ecb.set(128);
28
29 InflatingBitSet ibs = new InflatingBitSet(ecb);
30 assertTrue(ibs.maybeContains(0));
31 assertFalse(ibs.contains(0));
32 assertFalse(ibs.maybeContains(0));
33 assertTrue(ibs.maybeContains(63));
34 assertTrue(ibs.maybeContains(64));
35 assertTrue(ibs.maybeContains(65));
36 assertFalse(ibs.maybeContains(129));
37 }
38
39 @Test
40 public void testContainsMany() {
41 EWAHCompressedBitmap ecb = new EWAHCompressedBitmap();
42 ecb.set(64);
43 ecb.set(65);
44 ecb.set(1024);
45
46 InflatingBitSet ibs = new InflatingBitSet(ecb);
47 assertFalse(ibs.contains(0));
48 assertTrue(ibs.contains(64));
49 assertTrue(ibs.contains(65));
50 assertFalse(ibs.contains(66));
51 assertTrue(ibs.contains(1024));
52 assertFalse(ibs.contains(1025));
53 }
54
55 @Test
56 public void testContainsOne() {
57 EWAHCompressedBitmap ecb = new EWAHCompressedBitmap();
58 ecb.set(64);
59
60 InflatingBitSet ibs = new InflatingBitSet(ecb);
61 assertTrue(ibs.contains(64));
62 assertTrue(ibs.contains(64));
63 assertFalse(ibs.contains(65));
64 assertFalse(ibs.contains(63));
65 }
66
67 @Test
68 public void testContainsEmpty() {
69 InflatingBitSet ibs = new InflatingBitSet(new EWAHCompressedBitmap());
70 assertFalse(ibs.maybeContains(0));
71 assertFalse(ibs.contains(0));
72 }
73 }