/*
* 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.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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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;
}
}