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/*
* Copyright (C) 2012, Google Inc. and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.internal.storage.file;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import com.googlecode.javaewah.EWAHCompressedBitmap;
public class InflatingBitSetTest {
@Test
public void testMaybeContains() {
EWAHCompressedBitmap ecb = new EWAHCompressedBitmap();
ecb.set(63);
ecb.set(64);
ecb.set(128);
InflatingBitSet ibs = new InflatingBitSet(ecb);
assertTrue(ibs.maybeContains(0));
assertFalse(ibs.contains(0)); // Advance
assertFalse(ibs.maybeContains(0));
assertTrue(ibs.maybeContains(63));
assertTrue(ibs.maybeContains(64));
assertTrue(ibs.maybeContains(65));
assertFalse(ibs.maybeContains(129));
}
@Test
public void testContainsMany() {
EWAHCompressedBitmap ecb = new EWAHCompressedBitmap();
ecb.set(64);
ecb.set(65);
ecb.set(1024);
InflatingBitSet ibs = new InflatingBitSet(ecb);
assertFalse(ibs.contains(0));
assertTrue(ibs.contains(64));
assertTrue(ibs.contains(65));
assertFalse(ibs.contains(66));
assertTrue(ibs.contains(1024));
assertFalse(ibs.contains(1025));
}
@Test
public void testContainsOne() {
EWAHCompressedBitmap ecb = new EWAHCompressedBitmap();
ecb.set(64);
InflatingBitSet ibs = new InflatingBitSet(ecb);
assertTrue(ibs.contains(64));
assertTrue(ibs.contains(64));
assertFalse(ibs.contains(65));
assertFalse(ibs.contains(63));
}
@Test
public void testContainsEmpty() {
InflatingBitSet ibs = new InflatingBitSet(new EWAHCompressedBitmap());
assertFalse(ibs.maybeContains(0));
assertFalse(ibs.contains(0));
}
}
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