1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.lang3; 19 20 import static org.junit.jupiter.api.Assertions.assertArrayEquals; 21 import static org.junit.jupiter.api.Assertions.assertEquals; 22 import static org.junit.jupiter.api.Assertions.assertNull; 23 import static org.junit.jupiter.api.Assertions.assertSame; 24 25 import java.util.function.IntFunction; 26 import java.util.function.Supplier; 27 28 import org.junit.jupiter.api.Test; 29 30 public class ArrayUtilsSetTest extends AbstractLangTest { 31 32 @Test testSetAll_IntFunction()33 public void testSetAll_IntFunction() { 34 final IntFunction<?> nullIntFunction = null; 35 assertNull(ArrayUtils.setAll(null, nullIntFunction)); 36 assertArrayEquals(null, ArrayUtils.setAll(null, nullIntFunction)); 37 assertArrayEquals(ArrayUtils.EMPTY_BOOLEAN_OBJECT_ARRAY, ArrayUtils.setAll(ArrayUtils.EMPTY_BOOLEAN_OBJECT_ARRAY, nullIntFunction)); 38 assertArrayEquals(ArrayUtils.EMPTY_OBJECT_ARRAY, ArrayUtils.setAll(ArrayUtils.EMPTY_OBJECT_ARRAY, nullIntFunction)); 39 final Integer[] array = new Integer[10]; 40 final Integer[] array2 = ArrayUtils.setAll(array, Integer::valueOf); 41 assertSame(array, array2); 42 for (int i = 0; i < array.length; i++) { 43 assertEquals(i, array[i].intValue()); 44 } 45 } 46 47 @Test testSetAll_Suppiler()48 public void testSetAll_Suppiler() { 49 final Supplier<?> nullSupplier = null; 50 assertNull(ArrayUtils.setAll(null, nullSupplier)); 51 assertArrayEquals(null, ArrayUtils.setAll(null, nullSupplier)); 52 assertArrayEquals(ArrayUtils.EMPTY_BOOLEAN_OBJECT_ARRAY, ArrayUtils.setAll(ArrayUtils.EMPTY_BOOLEAN_OBJECT_ARRAY, nullSupplier)); 53 assertArrayEquals(ArrayUtils.EMPTY_OBJECT_ARRAY, ArrayUtils.setAll(ArrayUtils.EMPTY_OBJECT_ARRAY, nullSupplier)); 54 final String[] array = new String[10]; 55 final String[] array2 = ArrayUtils.setAll(array, () -> StringUtils.EMPTY); 56 assertSame(array, array2); 57 for (final String s : array) { 58 assertEquals(StringUtils.EMPTY, s); 59 } 60 } 61 } 62