X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/src/test/org/apache/lucene/util/TestCollectionUtil.java diff --git a/lucene-java-3.4.0/lucene/src/test/org/apache/lucene/util/TestCollectionUtil.java b/lucene-java-3.4.0/lucene/src/test/org/apache/lucene/util/TestCollectionUtil.java deleted file mode 100644 index 8392c9a..0000000 --- a/lucene-java-3.4.0/lucene/src/test/org/apache/lucene/util/TestCollectionUtil.java +++ /dev/null @@ -1,125 +0,0 @@ -package org.apache.lucene.util; - -/** - * 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. - */ - -import java.util.Arrays; -import java.util.ArrayList; -import java.util.Collections; -import java.util.LinkedList; -import java.util.List; - -public class TestCollectionUtil extends LuceneTestCase { - - private List createRandomList(int maxSize) { - final Integer[] a = new Integer[random.nextInt(maxSize) + 1]; - for (int i = 0; i < a.length; i++) { - a[i] = Integer.valueOf(random.nextInt(a.length)); - } - return Arrays.asList(a); - } - - public void testQuickSort() { - for (int i = 0, c = atLeast(500); i < c; i++) { - List list1 = createRandomList(1000), list2 = new ArrayList(list1); - CollectionUtil.quickSort(list1); - Collections.sort(list2); - assertEquals(list2, list1); - - list1 = createRandomList(1000); - list2 = new ArrayList(list1); - CollectionUtil.quickSort(list1, Collections.reverseOrder()); - Collections.sort(list2, Collections.reverseOrder()); - assertEquals(list2, list1); - // reverse back, so we can test that completely backwards sorted array (worst case) is working: - CollectionUtil.quickSort(list1); - Collections.sort(list2); - assertEquals(list2, list1); - } - } - - public void testMergeSort() { - for (int i = 0, c = atLeast(500); i < c; i++) { - List list1 = createRandomList(1000), list2 = new ArrayList(list1); - CollectionUtil.mergeSort(list1); - Collections.sort(list2); - assertEquals(list2, list1); - - list1 = createRandomList(1000); - list2 = new ArrayList(list1); - CollectionUtil.mergeSort(list1, Collections.reverseOrder()); - Collections.sort(list2, Collections.reverseOrder()); - assertEquals(list2, list1); - // reverse back, so we can test that completely backwards sorted array (worst case) is working: - CollectionUtil.mergeSort(list1); - Collections.sort(list2); - assertEquals(list2, list1); - } - } - - public void testInsertionSort() { - for (int i = 0, c = atLeast(500); i < c; i++) { - List list1 = createRandomList(30), list2 = new ArrayList(list1); - CollectionUtil.insertionSort(list1); - Collections.sort(list2); - assertEquals(list2, list1); - - list1 = createRandomList(30); - list2 = new ArrayList(list1); - CollectionUtil.insertionSort(list1, Collections.reverseOrder()); - Collections.sort(list2, Collections.reverseOrder()); - assertEquals(list2, list1); - // reverse back, so we can test that completely backwards sorted array (worst case) is working: - CollectionUtil.insertionSort(list1); - Collections.sort(list2); - assertEquals(list2, list1); - } - } - - public void testEmptyListSort() { - // should produce no exceptions - List list = Arrays.asList(new Integer[0]); - CollectionUtil.quickSort(list); - CollectionUtil.mergeSort(list); - CollectionUtil.insertionSort(list); - CollectionUtil.quickSort(list, Collections.reverseOrder()); - CollectionUtil.mergeSort(list, Collections.reverseOrder()); - CollectionUtil.insertionSort(list, Collections.reverseOrder()); - - // check that empty non-random access lists pass sorting without ex (as sorting is not needed) - list = new LinkedList(); - CollectionUtil.quickSort(list); - CollectionUtil.mergeSort(list); - CollectionUtil.insertionSort(list); - CollectionUtil.quickSort(list, Collections.reverseOrder()); - CollectionUtil.mergeSort(list, Collections.reverseOrder()); - CollectionUtil.insertionSort(list, Collections.reverseOrder()); - } - - public void testOneElementListSort() { - // check that one-element non-random access lists pass sorting without ex (as sorting is not needed) - List list = new LinkedList(); - list.add(1); - CollectionUtil.quickSort(list); - CollectionUtil.mergeSort(list); - CollectionUtil.insertionSort(list); - CollectionUtil.quickSort(list, Collections.reverseOrder()); - CollectionUtil.mergeSort(list, Collections.reverseOrder()); - CollectionUtil.insertionSort(list, Collections.reverseOrder()); - } - -}