| /* |
| * 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.commons.lang3; |
| |
| import static org.junit.jupiter.api.Assertions.assertArrayEquals; |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertNotSame; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * Tests ArrayUtils add methods. |
| */ |
| public class ArrayUtilsAddTest extends AbstractLangTest { |
| |
| @Test |
| public void testAddFirstBoolean() { |
| boolean[] newArray; |
| newArray = ArrayUtils.addFirst(null, false); |
| assertArrayEquals(new boolean[]{false}, newArray); |
| assertEquals(Boolean.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst(null, true); |
| assertArrayEquals(new boolean[]{true}, newArray); |
| assertEquals(Boolean.TYPE, newArray.getClass().getComponentType()); |
| final boolean[] array1 = {true, false, true}; |
| newArray = ArrayUtils.addFirst(array1, false); |
| assertArrayEquals(new boolean[]{false, true, false, true}, newArray); |
| assertEquals(Boolean.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddFirstByte() { |
| byte[] newArray; |
| newArray = ArrayUtils.addFirst((byte[]) null, (byte) 0); |
| assertArrayEquals(new byte[]{0}, newArray); |
| assertEquals(Byte.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst((byte[]) null, (byte) 1); |
| assertArrayEquals(new byte[]{1}, newArray); |
| assertEquals(Byte.TYPE, newArray.getClass().getComponentType()); |
| final byte[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.addFirst(array1, (byte) 0); |
| assertArrayEquals(new byte[]{0, 1, 2, 3}, newArray); |
| assertEquals(Byte.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst(array1, (byte) 4); |
| assertArrayEquals(new byte[]{4, 1, 2, 3}, newArray); |
| assertEquals(Byte.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddFirstChar() { |
| char[] newArray; |
| newArray = ArrayUtils.addFirst((char[]) null, (char) 0); |
| assertArrayEquals(new char[]{0}, newArray); |
| assertEquals(Character.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst((char[]) null, (char) 1); |
| assertArrayEquals(new char[]{1}, newArray); |
| assertEquals(Character.TYPE, newArray.getClass().getComponentType()); |
| final char[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.addFirst(array1, (char) 0); |
| assertArrayEquals(new char[]{0, 1, 2, 3}, newArray); |
| assertEquals(Character.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst(array1, (char) 4); |
| assertArrayEquals(new char[]{4, 1, 2, 3}, newArray); |
| assertEquals(Character.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddFirstDouble() { |
| double[] newArray; |
| newArray = ArrayUtils.addFirst((double[]) null, 0); |
| assertArrayEquals(new double[]{0}, newArray); |
| assertEquals(Double.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst((double[]) null, 1); |
| assertArrayEquals(new double[]{1}, newArray); |
| assertEquals(Double.TYPE, newArray.getClass().getComponentType()); |
| final double[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.addFirst(array1, 0); |
| assertArrayEquals(new double[]{0, 1, 2, 3}, newArray); |
| assertEquals(Double.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst(array1, 4); |
| assertArrayEquals(new double[]{4, 1, 2, 3}, newArray); |
| assertEquals(Double.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddFirstFloat() { |
| float[] newArray; |
| newArray = ArrayUtils.addFirst((float[]) null, 0); |
| assertArrayEquals(new float[]{0}, newArray); |
| assertEquals(Float.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst((float[]) null, 1); |
| assertArrayEquals(new float[]{1}, newArray); |
| assertEquals(Float.TYPE, newArray.getClass().getComponentType()); |
| final float[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.addFirst(array1, 0); |
| assertArrayEquals(new float[]{0, 1, 2, 3}, newArray); |
| assertEquals(Float.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst(array1, 4); |
| assertArrayEquals(new float[]{4, 1, 2, 3}, newArray); |
| assertEquals(Float.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddFirstInt() { |
| int[] newArray; |
| newArray = ArrayUtils.addFirst((int[]) null, 0); |
| assertArrayEquals(new int[]{0}, newArray); |
| assertEquals(Integer.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst((int[]) null, 1); |
| assertArrayEquals(new int[]{1}, newArray); |
| assertEquals(Integer.TYPE, newArray.getClass().getComponentType()); |
| final int[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.addFirst(array1, 0); |
| assertArrayEquals(new int[]{0, 1, 2, 3}, newArray); |
| assertEquals(Integer.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst(array1, 4); |
| assertArrayEquals(new int[]{4, 1, 2, 3}, newArray); |
| assertEquals(Integer.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddFirstLong() { |
| long[] newArray; |
| newArray = ArrayUtils.addFirst((long[]) null, 0); |
| assertArrayEquals(new long[]{0}, newArray); |
| assertEquals(Long.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst((long[]) null, 1); |
| assertArrayEquals(new long[]{1}, newArray); |
| assertEquals(Long.TYPE, newArray.getClass().getComponentType()); |
| final long[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.addFirst(array1, 0); |
| assertArrayEquals(new long[]{0, 1, 2, 3}, newArray); |
| assertEquals(Long.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst(array1, 4); |
| assertArrayEquals(new long[]{4, 1, 2, 3}, newArray); |
| assertEquals(Long.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddFirstObject() { |
| Object[] newArray; |
| |
| //show that not casting is okay |
| newArray = ArrayUtils.add((Object[]) null, "a"); |
| assertArrayEquals(new String[]{"a"}, newArray); |
| assertArrayEquals(new Object[]{"a"}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| |
| //show that not casting to Object[] is okay and will assume String based on "a" |
| final String[] newStringArray = ArrayUtils.add(null, "a"); |
| assertArrayEquals(new String[]{"a"}, newStringArray); |
| assertArrayEquals(new Object[]{"a"}, newStringArray); |
| assertEquals(String.class, newStringArray.getClass().getComponentType()); |
| |
| final String[] stringArray1 = { "a", "b", "c" }; |
| newArray = ArrayUtils.addFirst(stringArray1, null); |
| assertArrayEquals(new String[] { null, "a", "b", "c" }, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| |
| newArray = ArrayUtils.addFirst(stringArray1, "d"); |
| assertArrayEquals(new String[] { "d", "a", "b", "c" }, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| |
| Number[] numberArray1 = { Integer.valueOf(1), Double.valueOf(2) }; |
| newArray = ArrayUtils.addFirst(numberArray1, Float.valueOf(3)); |
| assertArrayEquals(new Number[] { Float.valueOf(3), Integer.valueOf(1), Double.valueOf(2) }, newArray); |
| assertEquals(Number.class, newArray.getClass().getComponentType()); |
| |
| numberArray1 = null; |
| newArray = ArrayUtils.addFirst(numberArray1, Float.valueOf(3)); |
| assertArrayEquals(new Float[] { Float.valueOf(3) }, newArray); |
| assertEquals(Float.class, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddFirstShort() { |
| short[] newArray; |
| newArray = ArrayUtils.addFirst((short[]) null, (short) 0); |
| assertArrayEquals(new short[]{0}, newArray); |
| assertEquals(Short.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst((short[]) null, (short) 1); |
| assertArrayEquals(new short[]{1}, newArray); |
| assertEquals(Short.TYPE, newArray.getClass().getComponentType()); |
| final short[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.addFirst(array1, (short) 0); |
| assertArrayEquals(new short[]{0, 1, 2, 3}, newArray); |
| assertEquals(Short.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addFirst(array1, (short) 4); |
| assertArrayEquals(new short[]{4, 1, 2, 3}, newArray); |
| assertEquals(Short.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddObjectArrayBoolean() { |
| boolean[] newArray; |
| newArray = ArrayUtils.add(null, false); |
| assertArrayEquals(new boolean[]{false}, newArray); |
| assertEquals(Boolean.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(null, true); |
| assertArrayEquals(new boolean[]{true}, newArray); |
| assertEquals(Boolean.TYPE, newArray.getClass().getComponentType()); |
| final boolean[] array1 = {true, false, true}; |
| newArray = ArrayUtils.add(array1, false); |
| assertArrayEquals(new boolean[]{true, false, true, false}, newArray); |
| assertEquals(Boolean.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddObjectArrayByte() { |
| byte[] newArray; |
| newArray = ArrayUtils.add((byte[]) null, (byte) 0); |
| assertArrayEquals(new byte[]{0}, newArray); |
| assertEquals(Byte.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add((byte[]) null, (byte) 1); |
| assertArrayEquals(new byte[]{1}, newArray); |
| assertEquals(Byte.TYPE, newArray.getClass().getComponentType()); |
| final byte[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.add(array1, (byte) 0); |
| assertArrayEquals(new byte[]{1, 2, 3, 0}, newArray); |
| assertEquals(Byte.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(array1, (byte) 4); |
| assertArrayEquals(new byte[]{1, 2, 3, 4}, newArray); |
| assertEquals(Byte.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddObjectArrayChar() { |
| char[] newArray; |
| newArray = ArrayUtils.add((char[]) null, (char) 0); |
| assertArrayEquals(new char[]{0}, newArray); |
| assertEquals(Character.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add((char[]) null, (char) 1); |
| assertArrayEquals(new char[]{1}, newArray); |
| assertEquals(Character.TYPE, newArray.getClass().getComponentType()); |
| final char[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.add(array1, (char) 0); |
| assertArrayEquals(new char[]{1, 2, 3, 0}, newArray); |
| assertEquals(Character.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(array1, (char) 4); |
| assertArrayEquals(new char[]{1, 2, 3, 4}, newArray); |
| assertEquals(Character.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddObjectArrayDouble() { |
| double[] newArray; |
| newArray = ArrayUtils.add((double[]) null, 0); |
| assertArrayEquals(new double[]{0}, newArray); |
| assertEquals(Double.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add((double[]) null, 1); |
| assertArrayEquals(new double[]{1}, newArray); |
| assertEquals(Double.TYPE, newArray.getClass().getComponentType()); |
| final double[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.add(array1, 0); |
| assertArrayEquals(new double[]{1, 2, 3, 0}, newArray); |
| assertEquals(Double.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(array1, 4); |
| assertArrayEquals(new double[]{1, 2, 3, 4}, newArray); |
| assertEquals(Double.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddObjectArrayFloat() { |
| float[] newArray; |
| newArray = ArrayUtils.add((float[]) null, 0); |
| assertArrayEquals(new float[]{0}, newArray); |
| assertEquals(Float.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add((float[]) null, 1); |
| assertArrayEquals(new float[]{1}, newArray); |
| assertEquals(Float.TYPE, newArray.getClass().getComponentType()); |
| final float[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.add(array1, 0); |
| assertArrayEquals(new float[]{1, 2, 3, 0}, newArray); |
| assertEquals(Float.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(array1, 4); |
| assertArrayEquals(new float[]{1, 2, 3, 4}, newArray); |
| assertEquals(Float.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddObjectArrayInt() { |
| int[] newArray; |
| newArray = ArrayUtils.add((int[]) null, 0); |
| assertArrayEquals(new int[]{0}, newArray); |
| assertEquals(Integer.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add((int[]) null, 1); |
| assertArrayEquals(new int[]{1}, newArray); |
| assertEquals(Integer.TYPE, newArray.getClass().getComponentType()); |
| final int[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.add(array1, 0); |
| assertArrayEquals(new int[]{1, 2, 3, 0}, newArray); |
| assertEquals(Integer.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(array1, 4); |
| assertArrayEquals(new int[]{1, 2, 3, 4}, newArray); |
| assertEquals(Integer.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddObjectArrayLong() { |
| long[] newArray; |
| newArray = ArrayUtils.add((long[]) null, 0); |
| assertArrayEquals(new long[]{0}, newArray); |
| assertEquals(Long.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add((long[]) null, 1); |
| assertArrayEquals(new long[]{1}, newArray); |
| assertEquals(Long.TYPE, newArray.getClass().getComponentType()); |
| final long[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.add(array1, 0); |
| assertArrayEquals(new long[]{1, 2, 3, 0}, newArray); |
| assertEquals(Long.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(array1, 4); |
| assertArrayEquals(new long[]{1, 2, 3, 4}, newArray); |
| assertEquals(Long.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddObjectArrayObject() { |
| Object[] newArray; |
| |
| //show that not casting is okay |
| newArray = ArrayUtils.add((Object[]) null, "a"); |
| assertArrayEquals(new String[]{"a"}, newArray); |
| assertArrayEquals(new Object[]{"a"}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| |
| //show that not casting to Object[] is okay and will assume String based on "a" |
| final String[] newStringArray = ArrayUtils.add(null, "a"); |
| assertArrayEquals(new String[]{"a"}, newStringArray); |
| assertArrayEquals(new Object[]{"a"}, newStringArray); |
| assertEquals(String.class, newStringArray.getClass().getComponentType()); |
| |
| final String[] stringArray1 = {"a", "b", "c"}; |
| newArray = ArrayUtils.add(stringArray1, null); |
| assertArrayEquals(new String[]{"a", "b", "c", null}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| |
| newArray = ArrayUtils.add(stringArray1, "d"); |
| assertArrayEquals(new String[]{"a", "b", "c", "d"}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| |
| Number[] numberArray1 = {Integer.valueOf(1), Double.valueOf(2)}; |
| newArray = ArrayUtils.add(numberArray1, Float.valueOf(3)); |
| assertArrayEquals(new Number[]{Integer.valueOf(1), Double.valueOf(2), Float.valueOf(3)}, newArray); |
| assertEquals(Number.class, newArray.getClass().getComponentType()); |
| |
| numberArray1 = null; |
| newArray = ArrayUtils.add(numberArray1, Float.valueOf(3)); |
| assertArrayEquals(new Float[]{Float.valueOf(3)}, newArray); |
| assertEquals(Float.class, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddObjectArrayShort() { |
| short[] newArray; |
| newArray = ArrayUtils.add((short[]) null, (short) 0); |
| assertArrayEquals(new short[]{0}, newArray); |
| assertEquals(Short.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add((short[]) null, (short) 1); |
| assertArrayEquals(new short[]{1}, newArray); |
| assertEquals(Short.TYPE, newArray.getClass().getComponentType()); |
| final short[] array1 = {1, 2, 3}; |
| newArray = ArrayUtils.add(array1, (short) 0); |
| assertArrayEquals(new short[]{1, 2, 3, 0}, newArray); |
| assertEquals(Short.TYPE, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(array1, (short) 4); |
| assertArrayEquals(new short[]{1, 2, 3, 4}, newArray); |
| assertEquals(Short.TYPE, newArray.getClass().getComponentType()); |
| } |
| |
| @Test |
| public void testAddObjectArrayToObjectArray() { |
| assertNull(ArrayUtils.addAll(null, (Object[]) null)); |
| Object[] newArray; |
| final String[] stringArray1 = {"a", "b", "c"}; |
| final String[] stringArray2 = {"1", "2", "3"}; |
| newArray = ArrayUtils.addAll(stringArray1, (String[]) null); |
| assertNotSame(stringArray1, newArray); |
| assertArrayEquals(stringArray1, newArray); |
| assertArrayEquals(new String[]{"a", "b", "c"}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addAll(null, stringArray2); |
| assertNotSame(stringArray2, newArray); |
| assertArrayEquals(stringArray2, newArray); |
| assertArrayEquals(new String[]{"1", "2", "3"}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addAll(stringArray1, stringArray2); |
| assertArrayEquals(new String[]{"a", "b", "c", "1", "2", "3"}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addAll(ArrayUtils.EMPTY_STRING_ARRAY, (String[]) null); |
| assertArrayEquals(ArrayUtils.EMPTY_STRING_ARRAY, newArray); |
| assertArrayEquals(new String[]{}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addAll(null, ArrayUtils.EMPTY_STRING_ARRAY); |
| assertArrayEquals(ArrayUtils.EMPTY_STRING_ARRAY, newArray); |
| assertArrayEquals(new String[]{}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.addAll(ArrayUtils.EMPTY_STRING_ARRAY, ArrayUtils.EMPTY_STRING_ARRAY); |
| assertArrayEquals(ArrayUtils.EMPTY_STRING_ARRAY, newArray); |
| assertArrayEquals(new String[]{}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| final String[] stringArrayNull = {null}; |
| newArray = ArrayUtils.addAll(stringArrayNull, stringArrayNull); |
| assertArrayEquals(new String[]{null, null}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| |
| // boolean |
| assertArrayEquals(new boolean[]{true, false, false, true}, ArrayUtils.addAll(new boolean[]{true, false}, false, true)); |
| |
| assertArrayEquals(new boolean[]{false, true}, ArrayUtils.addAll(null, new boolean[]{false, true})); |
| |
| assertArrayEquals(new boolean[]{true, false}, ArrayUtils.addAll(new boolean[]{true, false}, null)); |
| |
| // char |
| assertArrayEquals(new char[]{'a', 'b', 'c', 'd'}, ArrayUtils.addAll(new char[]{'a', 'b'}, 'c', 'd')); |
| |
| assertArrayEquals(new char[]{'c', 'd'}, ArrayUtils.addAll(null, new char[]{'c', 'd'})); |
| |
| assertArrayEquals(new char[]{'a', 'b'}, ArrayUtils.addAll(new char[]{'a', 'b'}, null)); |
| |
| // byte |
| assertArrayEquals(new byte[]{(byte) 0, (byte) 1, (byte) 2, (byte) 3}, ArrayUtils.addAll(new byte[]{(byte) 0, (byte) 1}, (byte) 2, (byte) 3)); |
| |
| assertArrayEquals(new byte[]{(byte) 2, (byte) 3}, ArrayUtils.addAll(null, new byte[]{(byte) 2, (byte) 3})); |
| |
| assertArrayEquals(new byte[]{(byte) 0, (byte) 1}, ArrayUtils.addAll(new byte[]{(byte) 0, (byte) 1}, null)); |
| |
| // short |
| assertArrayEquals(new short[]{(short) 10, (short) 20, (short) 30, (short) 40}, ArrayUtils.addAll(new short[]{(short) 10, (short) 20}, (short) 30, (short) 40)); |
| |
| assertArrayEquals(new short[]{(short) 30, (short) 40}, ArrayUtils.addAll(null, new short[]{(short) 30, (short) 40})); |
| |
| assertArrayEquals(new short[]{(short) 10, (short) 20}, ArrayUtils.addAll(new short[]{(short) 10, (short) 20}, null)); |
| |
| // int |
| assertArrayEquals(new int[]{1, 1000, -1000, -1}, ArrayUtils.addAll(new int[]{1, 1000}, -1000, -1)); |
| |
| assertArrayEquals(new int[]{-1000, -1}, ArrayUtils.addAll(null, new int[]{-1000, -1})); |
| |
| assertArrayEquals(new int[]{1, 1000}, ArrayUtils.addAll(new int[]{1, 1000}, null)); |
| |
| // long |
| assertArrayEquals(new long[]{1L, -1L, 1000L, -1000L}, ArrayUtils.addAll(new long[]{1L, -1L}, 1000L, -1000L)); |
| |
| assertArrayEquals(new long[]{1000L, -1000L}, ArrayUtils.addAll(null, new long[]{1000L, -1000L})); |
| |
| assertArrayEquals(new long[]{1L, -1L}, ArrayUtils.addAll(new long[]{1L, -1L}, null)); |
| |
| // float |
| assertArrayEquals(new float[]{10.5f, 10.1f, 1.6f, 0.01f}, ArrayUtils.addAll(new float[]{10.5f, 10.1f}, 1.6f, 0.01f)); |
| |
| assertArrayEquals(new float[]{1.6f, 0.01f}, ArrayUtils.addAll(null, new float[]{1.6f, 0.01f})); |
| |
| assertArrayEquals(new float[]{10.5f, 10.1f}, ArrayUtils.addAll(new float[]{10.5f, 10.1f}, null)); |
| |
| // double |
| assertArrayEquals(new double[]{Math.PI, -Math.PI, 0, 9.99}, ArrayUtils.addAll(new double[]{Math.PI, -Math.PI}, 0, 9.99)); |
| |
| assertArrayEquals(new double[]{0, 9.99}, ArrayUtils.addAll(null, new double[]{0, 9.99})); |
| |
| assertArrayEquals(new double[]{Math.PI, -Math.PI}, ArrayUtils.addAll(new double[]{Math.PI, -Math.PI}, null)); |
| |
| } |
| |
| @SuppressWarnings("deprecation") |
| @Test |
| public void testAddObjectAtIndex() { |
| Object[] newArray; |
| newArray = ArrayUtils.add((Object[]) null, 0, "a"); |
| assertArrayEquals(new String[]{"a"}, newArray); |
| assertArrayEquals(new Object[]{"a"}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| final String[] stringArray1 = {"a", "b", "c"}; |
| newArray = ArrayUtils.add(stringArray1, 0, null); |
| assertArrayEquals(new String[]{null, "a", "b", "c"}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(stringArray1, 1, null); |
| assertArrayEquals(new String[]{"a", null, "b", "c"}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(stringArray1, 3, null); |
| assertArrayEquals(new String[]{"a", "b", "c", null}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| newArray = ArrayUtils.add(stringArray1, 3, "d"); |
| assertArrayEquals(new String[]{"a", "b", "c", "d"}, newArray); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| assertEquals(String.class, newArray.getClass().getComponentType()); |
| |
| final Object[] o = {"1", "2", "4"}; |
| final Object[] result = ArrayUtils.add(o, 2, "3"); |
| final Object[] result2 = ArrayUtils.add(o, 3, "5"); |
| |
| assertNotNull(result); |
| assertEquals(4, result.length); |
| assertEquals("1", result[0]); |
| assertEquals("2", result[1]); |
| assertEquals("3", result[2]); |
| assertEquals("4", result[3]); |
| assertNotNull(result2); |
| assertEquals(4, result2.length); |
| assertEquals("1", result2[0]); |
| assertEquals("2", result2[1]); |
| assertEquals("4", result2[2]); |
| assertEquals("5", result2[3]); |
| |
| // boolean tests |
| boolean[] booleanArray = ArrayUtils.add( null, 0, true ); |
| assertArrayEquals(new boolean[]{true}, booleanArray); |
| IndexOutOfBoundsException e = |
| assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( null, -1, true)); |
| assertEquals("Index: -1, Length: 0", e.getMessage()); |
| booleanArray = ArrayUtils.add( new boolean[] { true }, 0, false); |
| assertArrayEquals(new boolean[]{false, true}, booleanArray); |
| booleanArray = ArrayUtils.add( new boolean[] { false }, 1, true); |
| assertArrayEquals(new boolean[]{false, true}, booleanArray); |
| booleanArray = ArrayUtils.add( new boolean[] { true, false }, 1, true); |
| assertArrayEquals(new boolean[]{true, true, false}, booleanArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add(new boolean[] { true, false }, 4, true)); |
| assertEquals("Index: 4, Length: 2", e.getMessage()); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add(new boolean[] { true, false }, -1, true)); |
| assertEquals("Index: -1, Length: 2", e.getMessage()); |
| |
| // char tests |
| char[] charArray = ArrayUtils.add( (char[]) null, 0, 'a' ); |
| assertArrayEquals(new char[]{'a'}, charArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( (char[]) null, -1, 'a' )); |
| assertEquals("Index: -1, Length: 0", e.getMessage()); |
| charArray = ArrayUtils.add( new char[] { 'a' }, 0, 'b'); |
| assertArrayEquals(new char[]{'b', 'a'}, charArray); |
| charArray = ArrayUtils.add( new char[] { 'a', 'b' }, 0, 'c'); |
| assertArrayEquals(new char[]{'c', 'a', 'b'}, charArray); |
| charArray = ArrayUtils.add( new char[] { 'a', 'b' }, 1, 'k'); |
| assertArrayEquals(new char[]{'a', 'k', 'b'}, charArray); |
| charArray = ArrayUtils.add( new char[] { 'a', 'b', 'c' }, 1, 't'); |
| assertArrayEquals(new char[]{'a', 't', 'b', 'c'}, charArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new char[] { 'a', 'b' }, 4, 'c')); |
| assertEquals("Index: 4, Length: 2", e.getMessage()); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new char[] { 'a', 'b' }, -1, 'c')); |
| assertEquals("Index: -1, Length: 2", e.getMessage()); |
| |
| // short tests |
| short[] shortArray = ArrayUtils.add( new short[] { 1 }, 0, (short) 2); |
| assertArrayEquals(new short[]{2, 1}, shortArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( (short[]) null, -1, (short) 2)); |
| assertEquals("Index: -1, Length: 0", e.getMessage()); |
| shortArray = ArrayUtils.add( new short[] { 2, 6 }, 2, (short) 10); |
| assertArrayEquals(new short[]{2, 6, 10}, shortArray); |
| shortArray = ArrayUtils.add( new short[] { 2, 6 }, 0, (short) -4); |
| assertArrayEquals(new short[]{-4, 2, 6}, shortArray); |
| shortArray = ArrayUtils.add( new short[] { 2, 6, 3 }, 2, (short) 1); |
| assertArrayEquals(new short[]{2, 6, 1, 3}, shortArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new short[] { 2, 6 }, 4, (short) 10)); |
| assertEquals("Index: 4, Length: 2", e.getMessage()); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new short[] { 2, 6 }, -1, (short) 10)); |
| assertEquals("Index: -1, Length: 2", e.getMessage()); |
| |
| // byte tests |
| byte[] byteArray = ArrayUtils.add( new byte[] { 1 }, 0, (byte) 2); |
| assertArrayEquals(new byte[]{2, 1}, byteArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( (byte[]) null, -1, (byte) 2)); |
| assertEquals("Index: -1, Length: 0", e.getMessage()); |
| byteArray = ArrayUtils.add( new byte[] { 2, 6 }, 2, (byte) 3); |
| assertArrayEquals(new byte[]{2, 6, 3}, byteArray); |
| byteArray = ArrayUtils.add( new byte[] { 2, 6 }, 0, (byte) 1); |
| assertArrayEquals(new byte[]{1, 2, 6}, byteArray); |
| byteArray = ArrayUtils.add( new byte[] { 2, 6, 3 }, 2, (byte) 1); |
| assertArrayEquals(new byte[]{2, 6, 1, 3}, byteArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new byte[] { 2, 6 }, 4, (byte) 3)); |
| assertEquals("Index: 4, Length: 2", e.getMessage()); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new byte[] { 2, 6 }, -1, (byte) 3)); |
| assertEquals("Index: -1, Length: 2", e.getMessage()); |
| |
| // int tests |
| int[] intArray = ArrayUtils.add( new int[] { 1 }, 0, 2); |
| assertArrayEquals(new int[]{2, 1}, intArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( (int[]) null, -1, 2)); |
| assertEquals("Index: -1, Length: 0", e.getMessage()); |
| intArray = ArrayUtils.add( new int[] { 2, 6 }, 2, 10); |
| assertArrayEquals(new int[]{2, 6, 10}, intArray); |
| intArray = ArrayUtils.add( new int[] { 2, 6 }, 0, -4); |
| assertArrayEquals(new int[]{-4, 2, 6}, intArray); |
| intArray = ArrayUtils.add( new int[] { 2, 6, 3 }, 2, 1); |
| assertArrayEquals(new int[]{2, 6, 1, 3}, intArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new int[] { 2, 6 }, 4, 10)); |
| assertEquals("Index: 4, Length: 2", e.getMessage()); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new int[] { 2, 6 }, -1, 10)); |
| assertEquals("Index: -1, Length: 2", e.getMessage()); |
| |
| // long tests |
| long[] longArray = ArrayUtils.add( new long[] { 1L }, 0, 2L); |
| assertArrayEquals(new long[]{2L, 1L}, longArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( (long[]) null, -1, 2L)); |
| assertEquals("Index: -1, Length: 0", e.getMessage()); |
| longArray = ArrayUtils.add( new long[] { 2L, 6L }, 2, 10L); |
| assertArrayEquals(new long[]{2L, 6L, 10L}, longArray); |
| longArray = ArrayUtils.add( new long[] { 2L, 6L }, 0, -4L); |
| assertArrayEquals(new long[]{-4L, 2L, 6L}, longArray); |
| longArray = ArrayUtils.add( new long[] { 2L, 6L, 3L }, 2, 1L); |
| assertArrayEquals(new long[]{2L, 6L, 1L, 3L}, longArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new long[] { 2L, 6L }, 4, 10L)); |
| assertEquals("Index: 4, Length: 2", e.getMessage()); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new long[] { 2L, 6L }, -1, 10L)); |
| assertEquals("Index: -1, Length: 2", e.getMessage()); |
| |
| // float tests |
| float[] floatArray = ArrayUtils.add( new float[] { 1.1f }, 0, 2.2f); |
| assertArrayEquals(new float[]{2.2f, 1.1f}, floatArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( (float[]) null, -1, 2.2f)); |
| assertEquals("Index: -1, Length: 0", e.getMessage()); |
| floatArray = ArrayUtils.add( new float[] { 2.3f, 6.4f }, 2, 10.5f); |
| assertArrayEquals(new float[]{2.3f, 6.4f, 10.5f}, floatArray); |
| floatArray = ArrayUtils.add( new float[] { 2.6f, 6.7f }, 0, -4.8f); |
| assertArrayEquals(new float[]{-4.8f, 2.6f, 6.7f}, floatArray); |
| floatArray = ArrayUtils.add( new float[] { 2.9f, 6.0f, 0.3f }, 2, 1.0f); |
| assertArrayEquals(new float[]{2.9f, 6.0f, 1.0f, 0.3f}, floatArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new float[] { 2.3f, 6.4f }, 4, 10.5f)); |
| assertEquals("Index: 4, Length: 2", e.getMessage()); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new float[] { 2.3f, 6.4f }, -1, 10.5f)); |
| assertEquals("Index: -1, Length: 2", e.getMessage()); |
| |
| // double tests |
| double[] doubleArray = ArrayUtils.add( new double[] { 1.1 }, 0, 2.2); |
| assertArrayEquals(new double[]{2.2, 1.1}, doubleArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add(null, -1, 2.2)); |
| assertEquals("Index: -1, Length: 0", e.getMessage()); |
| doubleArray = ArrayUtils.add( new double[] { 2.3, 6.4 }, 2, 10.5); |
| assertArrayEquals(new double[]{2.3, 6.4, 10.5}, doubleArray); |
| doubleArray = ArrayUtils.add( new double[] { 2.6, 6.7 }, 0, -4.8); |
| assertArrayEquals(new double[]{-4.8, 2.6, 6.7}, doubleArray); |
| doubleArray = ArrayUtils.add( new double[] { 2.9, 6.0, 0.3 }, 2, 1.0); |
| assertArrayEquals(new double[]{2.9, 6.0, 1.0, 0.3}, doubleArray); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new double[] { 2.3, 6.4 }, 4, 10.5)); |
| assertEquals("Index: 4, Length: 2", e.getMessage()); |
| e = assertThrows(IndexOutOfBoundsException.class, () -> ArrayUtils.add( new double[] { 2.3, 6.4 }, -1, 10.5)); |
| assertEquals("Index: -1, Length: 2", e.getMessage()); |
| } |
| |
| @Test |
| public void testJira567() { |
| final Number[] n; |
| // Valid array construction |
| n = ArrayUtils.addAll(new Number[]{Integer.valueOf(1)}, new Long[]{Long.valueOf(2)}); |
| assertEquals(2, n.length); |
| assertEquals(Number.class, n.getClass().getComponentType()); |
| // Invalid - can't store Long in Integer array |
| assertThrows(IllegalArgumentException.class, |
| () -> ArrayUtils.addAll(new Integer[]{Integer.valueOf(1)}, new Long[]{Long.valueOf(2)})); |
| } |
| |
| @Test |
| @SuppressWarnings("deprecation") |
| public void testLANG571() { |
| final String[] stringArray=null; |
| final String aString=null; |
| assertThrows(IllegalArgumentException.class, () -> ArrayUtils.add(stringArray, aString)); |
| assertThrows(IllegalArgumentException.class, () -> ArrayUtils.add(stringArray, 0, aString)); |
| } |
| |
| } |