| /** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.bookkeeper.bookie.storage.ldb; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| |
| import org.junit.Test; |
| |
| /** |
| * Unit test for {@link ArrayGroupSort}. |
| */ |
| public class ArraySortGroupTest { |
| |
| @Test |
| public void simple() { |
| long[] data = new long[] { // |
| 1, 2, 3, 4, // |
| 5, 6, 3, 1, // |
| 4, 8, 1, 2, // |
| 4, 5, 12, 10, // |
| 3, 3, 3, 3, // |
| 4, 3, 1, 2, // |
| 3, 3, 3, 3, // |
| }; |
| |
| long[] expectedSorted = new long[] { // |
| 1, 2, 3, 4, // |
| 3, 3, 3, 3, // |
| 3, 3, 3, 3, // |
| 4, 3, 1, 2, // |
| 4, 5, 12, 10, // |
| 4, 8, 1, 2, // |
| 5, 6, 3, 1, // |
| }; |
| |
| ArrayGroupSort sorter = new ArrayGroupSort(2, 4); |
| sorter.sort(data); |
| |
| assertArrayEquals(expectedSorted, data); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void keySmallerThanTotalSize() { |
| new ArrayGroupSort(3, 2); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void negativeKeySize() { |
| new ArrayGroupSort(-1, 2); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void negativeTotalSize() { |
| new ArrayGroupSort(1, -1); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void arraySizeIsNotMultiple() { |
| ArrayGroupSort sorter = new ArrayGroupSort(1, 3); |
| sorter.sort(new long[] { 1, 2, 3, 4 }); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void arraySizeIsShorterThanRequired() { |
| ArrayGroupSort sorter = new ArrayGroupSort(1, 3); |
| sorter.sort(new long[] { 1, 2 }); |
| } |
| |
| @Test |
| public void emptyArray() { |
| long[] data = new long[] {}; |
| |
| long[] expectedSorted = new long[] {}; |
| |
| ArrayGroupSort sorter = new ArrayGroupSort(2, 4); |
| sorter.sort(data); |
| |
| assertArrayEquals(expectedSorted, data); |
| } |
| |
| @Test |
| public void singleItem() { |
| long[] data = new long[] { 1, 2, 3, 4 }; |
| long[] expectedSorted = new long[] { 1, 2, 3, 4 }; |
| |
| ArrayGroupSort sorter = new ArrayGroupSort(2, 4); |
| sorter.sort(data); |
| |
| assertArrayEquals(expectedSorted, data); |
| } |
| |
| @Test |
| public void twoItems() { |
| long[] data = new long[] { 1, 2, 3, 4, 1, 1, 5, 5 }; |
| long[] expectedSorted = new long[] { 1, 1, 5, 5, 1, 2, 3, 4 }; |
| |
| ArrayGroupSort sorter = new ArrayGroupSort(2, 4); |
| sorter.sort(data); |
| |
| assertArrayEquals(expectedSorted, data); |
| } |
| |
| @Test |
| public void threeItems() { |
| long[] data = new long[] { 1, 2, 3, 4, 1, 1, 5, 5, 1, 0, 2, 1 }; |
| long[] expectedSorted = new long[] { 1, 0, 2, 1, 1, 1, 5, 5, 1, 2, 3, 4 }; |
| |
| ArrayGroupSort sorter = new ArrayGroupSort(2, 4); |
| sorter.sort(data); |
| |
| assertArrayEquals(expectedSorted, data); |
| } |
| |
| } |