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- /*
- * Copyright (C) 2010, 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.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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