12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394 |
- /*
- * Copyright (C) 2012, Google Inc.
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- package org.eclipse.jgit.internal.storage.file;
-
- import static org.junit.Assert.*;
-
- import javaewah.EWAHCompressedBitmap;
-
- import org.eclipse.jgit.internal.storage.file.BasePackBitmapIndex.StoredBitmap;
- import org.eclipse.jgit.lib.ObjectId;
- import org.junit.Test;
-
- public class StoredBitmapTest {
-
- @Test
- public void testGetBitmapWithoutXor() {
- EWAHCompressedBitmap b = bitmapOf(100);
- StoredBitmap sb = newStoredBitmap(bitmapOf(100));
- assertEquals(b, sb.getBitmap());
- }
-
- @Test
- public void testGetBitmapWithOneXor() {
- StoredBitmap sb = newStoredBitmap(bitmapOf(100), bitmapOf(100, 101));
- assertEquals(bitmapOf(101), sb.getBitmap());
- }
-
- @Test
- public void testGetBitmapWithThreeXor() {
- StoredBitmap sb = newStoredBitmap(
- bitmapOf(100),
- bitmapOf(90, 101),
- bitmapOf(100, 101),
- bitmapOf(50));
- assertEquals(bitmapOf(50, 90), sb.getBitmap());
- assertEquals(bitmapOf(50, 90), sb.getBitmap());
- }
-
- private static final StoredBitmap newStoredBitmap(
- EWAHCompressedBitmap... bitmaps) {
- StoredBitmap sb = null;
- for (EWAHCompressedBitmap bitmap : bitmaps)
- sb = new StoredBitmap(ObjectId.zeroId(), bitmap, sb, 0);
- return sb;
- }
-
- private static final EWAHCompressedBitmap bitmapOf(int... bits) {
- EWAHCompressedBitmap b = new EWAHCompressedBitmap();
- for (int bit : bits)
- b.set(bit);
- return b;
- }
- }
|