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- /*
- * Copyright (C) 2010, 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.notes;
-
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertNull;
- import static org.junit.Assert.assertSame;
-
- import java.io.IOException;
-
- import org.eclipse.jgit.lib.AnyObjectId;
- import org.eclipse.jgit.lib.MutableObjectId;
- import org.junit.Test;
-
- public class LeafBucketTest {
- @Test
- public void testEmpty() {
- LeafBucket b = new LeafBucket(0);
- assertNull(b.getNote(id(0x00), null));
- assertNull(b.getNote(id(0x01), null));
- assertNull(b.getNote(id(0xfe), null));
- }
-
- @Test
- public void testParseFive() {
- LeafBucket b = new LeafBucket(0);
-
- b.parseOneEntry(id(0x11), id(0x81));
- b.parseOneEntry(id(0x22), id(0x82));
- b.parseOneEntry(id(0x33), id(0x83));
- b.parseOneEntry(id(0x44), id(0x84));
- b.parseOneEntry(id(0x55), id(0x85));
-
- assertNull(b.getNote(id(0x01), null));
- assertEquals(id(0x81), b.getNote(id(0x11), null).getData());
- assertEquals(id(0x82), b.getNote(id(0x22), null).getData());
- assertEquals(id(0x83), b.getNote(id(0x33), null).getData());
- assertEquals(id(0x84), b.getNote(id(0x44), null).getData());
- assertEquals(id(0x85), b.getNote(id(0x55), null).getData());
- assertNull(b.getNote(id(0x66), null));
- }
-
- @Test
- public void testSetFive_InOrder() throws IOException {
- LeafBucket b = new LeafBucket(0);
-
- assertSame(b, b.set(id(0x11), id(0x81), null));
- assertSame(b, b.set(id(0x22), id(0x82), null));
- assertSame(b, b.set(id(0x33), id(0x83), null));
- assertSame(b, b.set(id(0x44), id(0x84), null));
- assertSame(b, b.set(id(0x55), id(0x85), null));
-
- assertNull(b.getNote(id(0x01), null));
- assertEquals(id(0x81), b.getNote(id(0x11), null).getData());
- assertEquals(id(0x82), b.getNote(id(0x22), null).getData());
- assertEquals(id(0x83), b.getNote(id(0x33), null).getData());
- assertEquals(id(0x84), b.getNote(id(0x44), null).getData());
- assertEquals(id(0x85), b.getNote(id(0x55), null).getData());
- assertNull(b.getNote(id(0x66), null));
- }
-
- @Test
- public void testSetFive_ReverseOrder() throws IOException {
- LeafBucket b = new LeafBucket(0);
-
- assertSame(b, b.set(id(0x55), id(0x85), null));
- assertSame(b, b.set(id(0x44), id(0x84), null));
- assertSame(b, b.set(id(0x33), id(0x83), null));
- assertSame(b, b.set(id(0x22), id(0x82), null));
- assertSame(b, b.set(id(0x11), id(0x81), null));
-
- assertNull(b.getNote(id(0x01), null));
- assertEquals(id(0x81), b.getNote(id(0x11), null).getData());
- assertEquals(id(0x82), b.getNote(id(0x22), null).getData());
- assertEquals(id(0x83), b.getNote(id(0x33), null).getData());
- assertEquals(id(0x84), b.getNote(id(0x44), null).getData());
- assertEquals(id(0x85), b.getNote(id(0x55), null).getData());
- assertNull(b.getNote(id(0x66), null));
- }
-
- @Test
- public void testSetFive_MixedOrder() throws IOException {
- LeafBucket b = new LeafBucket(0);
-
- assertSame(b, b.set(id(0x11), id(0x81), null));
- assertSame(b, b.set(id(0x33), id(0x83), null));
- assertSame(b, b.set(id(0x55), id(0x85), null));
-
- assertSame(b, b.set(id(0x22), id(0x82), null));
- assertSame(b, b.set(id(0x44), id(0x84), null));
-
- assertNull(b.getNote(id(0x01), null));
- assertEquals(id(0x81), b.getNote(id(0x11), null).getData());
- assertEquals(id(0x82), b.getNote(id(0x22), null).getData());
- assertEquals(id(0x83), b.getNote(id(0x33), null).getData());
- assertEquals(id(0x84), b.getNote(id(0x44), null).getData());
- assertEquals(id(0x85), b.getNote(id(0x55), null).getData());
- assertNull(b.getNote(id(0x66), null));
- }
-
- @Test
- public void testSet_Replace() throws IOException {
- LeafBucket b = new LeafBucket(0);
-
- assertSame(b, b.set(id(0x11), id(0x81), null));
- assertEquals(id(0x81), b.getNote(id(0x11), null).getData());
-
- assertSame(b, b.set(id(0x11), id(0x01), null));
- assertEquals(id(0x01), b.getNote(id(0x11), null).getData());
- }
-
- @Test
- public void testRemoveMissingNote() throws IOException {
- LeafBucket b = new LeafBucket(0);
- assertNull(b.getNote(id(0x11), null));
- assertSame(b, b.set(id(0x11), null, null));
- assertNull(b.getNote(id(0x11), null));
- }
-
- @Test
- public void testRemoveFirst() throws IOException {
- LeafBucket b = new LeafBucket(0);
-
- assertSame(b, b.set(id(0x11), id(0x81), null));
- assertSame(b, b.set(id(0x22), id(0x82), null));
- assertSame(b, b.set(id(0x33), id(0x83), null));
- assertSame(b, b.set(id(0x44), id(0x84), null));
- assertSame(b, b.set(id(0x55), id(0x85), null));
-
- assertSame(b, b.set(id(0x11), null, null));
-
- assertNull(b.getNote(id(0x01), null));
- assertNull(b.getNote(id(0x11), null));
- assertEquals(id(0x82), b.getNote(id(0x22), null).getData());
- assertEquals(id(0x83), b.getNote(id(0x33), null).getData());
- assertEquals(id(0x84), b.getNote(id(0x44), null).getData());
- assertEquals(id(0x85), b.getNote(id(0x55), null).getData());
- assertNull(b.getNote(id(0x66), null));
- }
-
- @Test
- public void testRemoveMiddle() throws IOException {
- LeafBucket b = new LeafBucket(0);
-
- assertSame(b, b.set(id(0x11), id(0x81), null));
- assertSame(b, b.set(id(0x22), id(0x82), null));
- assertSame(b, b.set(id(0x33), id(0x83), null));
- assertSame(b, b.set(id(0x44), id(0x84), null));
- assertSame(b, b.set(id(0x55), id(0x85), null));
-
- assertSame(b, b.set(id(0x33), null, null));
-
- assertNull(b.getNote(id(0x01), null));
- assertEquals(id(0x81), b.getNote(id(0x11), null).getData());
- assertEquals(id(0x82), b.getNote(id(0x22), null).getData());
- assertNull(b.getNote(id(0x33), null));
- assertEquals(id(0x84), b.getNote(id(0x44), null).getData());
- assertEquals(id(0x85), b.getNote(id(0x55), null).getData());
- assertNull(b.getNote(id(0x66), null));
- }
-
- @Test
- public void testRemoveLast() throws IOException {
- LeafBucket b = new LeafBucket(0);
-
- assertSame(b, b.set(id(0x11), id(0x81), null));
- assertSame(b, b.set(id(0x22), id(0x82), null));
- assertSame(b, b.set(id(0x33), id(0x83), null));
- assertSame(b, b.set(id(0x44), id(0x84), null));
- assertSame(b, b.set(id(0x55), id(0x85), null));
-
- assertSame(b, b.set(id(0x55), null, null));
-
- assertNull(b.getNote(id(0x01), null));
- assertEquals(id(0x81), b.getNote(id(0x11), null).getData());
- assertEquals(id(0x82), b.getNote(id(0x22), null).getData());
- assertEquals(id(0x83), b.getNote(id(0x33), null).getData());
- assertEquals(id(0x84), b.getNote(id(0x44), null).getData());
- assertNull(b.getNote(id(0x55), null));
- assertNull(b.getNote(id(0x66), null));
- }
-
- @Test
- public void testRemoveMakesEmpty() throws IOException {
- LeafBucket b = new LeafBucket(0);
-
- assertSame(b, b.set(id(0x11), id(0x81), null));
- assertEquals(id(0x81), b.getNote(id(0x11), null).getData());
-
- assertNull(b.set(id(0x11), null, null));
- assertNull(b.getNote(id(0x11), null));
- }
-
- private static AnyObjectId id(int first) {
- MutableObjectId id = new MutableObjectId();
- id.setByte(1, first);
- return id;
- }
- }
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