| /* |
| * 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.ignite.internal.util; |
| |
| import java.util.Arrays; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.junit.Test; |
| |
| import static org.apache.ignite.internal.util.GridArrays.clearTail; |
| import static org.apache.ignite.internal.util.GridArrays.remove; |
| import static org.apache.ignite.internal.util.GridArrays.set; |
| |
| /** |
| */ |
| public class GridArraysSelfTest extends GridCommonAbstractTest { |
| /** */ |
| private static final String[] EMPTY = {}; |
| |
| /** |
| */ |
| @Test |
| public void testSet() { |
| String[] arr = set(EMPTY, 4, "aa"); |
| |
| assertNotSame(EMPTY, arr); |
| assertEquals("aa", arr[4]); |
| |
| for (int i = 0; i < arr.length; i++) { |
| if (i != 4) |
| assertNull(arr[i]); |
| } |
| |
| String[] oldArr = arr; |
| |
| arr = set(arr, 1, "bb"); |
| |
| assertSame(oldArr, arr); |
| assertEquals("aa", arr[4]); |
| assertEquals("bb", arr[1]); |
| |
| for (int i = 0; i < arr.length; i++) { |
| if (i != 1 && i != 4) |
| assertNull(arr[i]); |
| } |
| |
| arr = set(arr, 100, "cc"); |
| |
| assertNotSame(oldArr, arr); |
| assertEquals("aa", arr[4]); |
| assertEquals("bb", arr[1]); |
| assertEquals("cc", arr[100]); |
| |
| for (int i = 0; i < arr.length; i++) { |
| if (i != 1 && i != 4 && i != 100) |
| assertNull(arr[i]); |
| } |
| } |
| |
| /** |
| */ |
| @Test |
| public void testClearTail() { |
| String[] arr = new String[10]; |
| |
| Arrays.fill(arr, "zz"); |
| |
| clearTail(arr, 11); |
| |
| for (String s : arr) |
| assertEquals("zz", s); |
| |
| clearTail(arr, 10); |
| |
| for (String s : arr) |
| assertEquals("zz", s); |
| |
| clearTail(arr, 9); |
| |
| assertNull(arr[9]); |
| |
| for (int i = 0; i < 9; i++) |
| assertEquals("zz", arr[i]); |
| |
| clearTail(arr, 7); |
| |
| assertNull(arr[7]); |
| assertNull(arr[8]); |
| assertNull(arr[9]); |
| |
| for (int i = 0; i < 7; i++) |
| assertEquals("zz", arr[i]); |
| } |
| |
| /** |
| */ |
| @Test |
| public void testRemoveLong() { |
| long[] arr = {0,1,2,3,4,5,6}; |
| |
| assertTrue(Arrays.equals(new long[]{1,2,3,4,5,6}, remove(arr, 0))); |
| assertTrue(Arrays.equals(new long[]{0,2,3,4,5,6}, remove(arr, 1))); |
| assertTrue(Arrays.equals(new long[]{0,1,2,3,5,6}, remove(arr, 4))); |
| assertTrue(Arrays.equals(new long[]{0,1,2,3,4,5}, remove(arr, 6))); |
| assertTrue(Arrays.equals(new long[0], remove(new long[]{1}, 0))); |
| } |
| |
| /** |
| */ |
| @Test |
| public void testRemove() { |
| Integer[] arr = {0,1,2,3,4,5,6}; |
| |
| assertTrue(Arrays.equals(new Integer[]{1,2,3,4,5,6}, remove(arr, 0))); |
| assertTrue(Arrays.equals(new Integer[]{0,2,3,4,5,6}, remove(arr, 1))); |
| assertTrue(Arrays.equals(new Integer[]{0,1,2,3,5,6}, remove(arr, 4))); |
| assertTrue(Arrays.equals(new Integer[]{0,1,2,3,4,5}, remove(arr, 6))); |
| assertTrue(Arrays.equals(new Integer[0], remove(new Integer[]{1}, 0))); |
| } |
| } |