Adding nullToEmpty methods to ArrayUtils per LANG-534 and Levon Karayan's patch.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@905925 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Henri Yandell
parent
6c53b134b6
commit
6b4cb16608
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@ -43,6 +43,7 @@ import org.apache.commons.lang3.builder.ToStringStyle;
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* @author Gary Gregory
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* @author <a href="mailto:equinus100@hotmail.com">Ashwin S</a>
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* @author Maarten Coene
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* @author <a href="mailto:levon@lk.otherinbox.com">Levon Karayan</a>
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* @since 2.0
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* @version $Id$
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*/
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@ -441,6 +442,387 @@ public class ArrayUtils {
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return array.clone();
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}
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// nullToEmpty
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//-----------------------------------------------------------------------
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static Object[] nullToEmpty(Object[] array) {
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if (array == null) {
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return EMPTY_OBJECT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_OBJECT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static String[] nullToEmpty(String[] array) {
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if (array == null) {
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return EMPTY_STRING_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_STRING_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static long[] nullToEmpty(long[] array) {
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if (array == null) {
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return EMPTY_LONG_ARRAY;
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}
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if (array.length == 0) {
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return EMPTY_LONG_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static int[] nullToEmpty(int[] array) {
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if (array == null) {
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return EMPTY_INT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_INT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static short[] nullToEmpty(short[] array) {
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if (array == null) {
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return EMPTY_SHORT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_SHORT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static char[] nullToEmpty(char[] array) {
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if (array == null) {
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return EMPTY_CHAR_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_CHAR_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static byte[] nullToEmpty(byte[] array) {
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if (array == null) {
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return EMPTY_BYTE_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_BYTE_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static double[] nullToEmpty(double[] array) {
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if (array == null) {
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return EMPTY_DOUBLE_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_DOUBLE_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static float[] nullToEmpty(float[] array) {
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if (array == null) {
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return EMPTY_FLOAT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_FLOAT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static boolean[] nullToEmpty(boolean[] array) {
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if (array == null) {
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return EMPTY_BOOLEAN_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_BOOLEAN_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static Long[] nullToEmpty(Long[] array) {
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if (array == null) {
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return EMPTY_LONG_OBJECT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_LONG_OBJECT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static Integer[] nullToEmpty(Integer[] array) {
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if (array == null) {
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return EMPTY_INTEGER_OBJECT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_INTEGER_OBJECT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static Short[] nullToEmpty(Short[] array) {
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if (array == null) {
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return EMPTY_SHORT_OBJECT_ARRAY;
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}else if (array.length == 0) {
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return EMPTY_SHORT_OBJECT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static Character[] nullToEmpty(Character[] array) {
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if (array == null) {
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return EMPTY_CHARACTER_OBJECT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_CHARACTER_OBJECT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static Byte[] nullToEmpty(Byte[] array) {
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if (array == null) {
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return EMPTY_BYTE_OBJECT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_BYTE_OBJECT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static Double[] nullToEmpty(Double[] array) {
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if (array == null) {
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return EMPTY_DOUBLE_OBJECT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_DOUBLE_OBJECT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static Float[] nullToEmpty(Float[] array) {
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if (array == null) {
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return EMPTY_FLOAT_OBJECT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_FLOAT_OBJECT_ARRAY;
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}
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return array;
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}
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/**
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* <p>Defensive programming technique to change a <code>null</code>
|
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* reference to an empty one..</p>
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*
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* <p>This method returns an empty array for a <code>null</code> input array.</p>
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*
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* <p>As a memory optimizing technique an empty array passed in will be overridden with
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* the empty <code>public static</code> references in this class.</p>
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*
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* @param array the array to check for <code>null</code> or empty
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* @return the same array, <code>public static</code> empty array if <code>null</code> or empty input
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*/
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public static Boolean[] nullToEmpty(Boolean[] array) {
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if (array == null) {
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return EMPTY_BOOLEAN_OBJECT_ARRAY;
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} else if (array.length == 0) {
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return EMPTY_BOOLEAN_OBJECT_ARRAY;
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}
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return array;
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}
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// Subarrays
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//-----------------------------------------------------------------------
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/**
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@ -36,6 +36,7 @@ import junit.framework.TestCase;
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* @author Fredrik Westermarck
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* @author Gary Gregory
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* @author Maarten Coene
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* @author <a href="mailto:levon@lk.otherinbox.com">Levon Karayan</a>
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* @version $Id$
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*/
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public class ArrayUtilsTest extends TestCase {
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@ -325,6 +326,242 @@ public class ArrayUtilsTest extends TestCase {
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//-----------------------------------------------------------------------
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public void testNullToEmptyBoolean() {
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// Test null handling
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assertEquals(ArrayUtils.EMPTY_BOOLEAN_ARRAY, ArrayUtils.nullToEmpty((boolean[]) null));
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// Test valid array handling
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boolean[] original = new boolean[] {true, false};
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assertEquals(original, ArrayUtils.nullToEmpty(original));
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// Test empty array handling
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boolean[] empty = new boolean[]{};
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boolean[] result = ArrayUtils.nullToEmpty(empty);
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assertEquals(ArrayUtils.EMPTY_BOOLEAN_ARRAY, result);
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assertTrue(empty != result);
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}
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public void testNullToEmptyLong() {
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// Test null handling
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assertEquals(ArrayUtils.EMPTY_LONG_ARRAY, ArrayUtils.nullToEmpty((long[]) null));
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// Test valid array handling
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long[] original = new long[] {1L, 2L};
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assertEquals(original, ArrayUtils.nullToEmpty(original));
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// Test empty array handling
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long[] empty = new long[]{};
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long[] result = ArrayUtils.nullToEmpty(empty);
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assertEquals(ArrayUtils.EMPTY_LONG_ARRAY, result);
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assertTrue(empty != result);
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}
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public void testNullToEmptyInt() {
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// Test null handling
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assertEquals(ArrayUtils.EMPTY_INT_ARRAY, ArrayUtils.nullToEmpty((int[]) null));
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// Test valid array handling
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int[] original = new int[] {1, 2};
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assertEquals(original, ArrayUtils.nullToEmpty(original));
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// Test empty array handling
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int[] empty = new int[]{};
|
||||
int[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_INT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyShort() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_SHORT_ARRAY, ArrayUtils.nullToEmpty((short[]) null));
|
||||
// Test valid array handling
|
||||
short[] original = new short[] {1, 2};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
short[] empty = new short[]{};
|
||||
short[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_SHORT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyChar() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_CHAR_ARRAY, ArrayUtils.nullToEmpty((char[]) null));
|
||||
// Test valid array handling
|
||||
char[] original = new char[] {'a', 'b'};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
char[] empty = new char[]{};
|
||||
char[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_CHAR_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyByte() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_BYTE_ARRAY, ArrayUtils.nullToEmpty((byte[]) null));
|
||||
// Test valid array handling
|
||||
byte[] original = new byte[] {0x0F, 0x0E};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
byte[] empty = new byte[]{};
|
||||
byte[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_BYTE_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyDouble() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_DOUBLE_ARRAY, ArrayUtils.nullToEmpty((double[]) null));
|
||||
// Test valid array handling
|
||||
double[] original = new double[] {1L, 2L};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
double[] empty = new double[]{};
|
||||
double[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_DOUBLE_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyFloat() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_FLOAT_ARRAY, ArrayUtils.nullToEmpty((float[]) null));
|
||||
// Test valid array handling
|
||||
float[] original = new float[] {2.6f, 3.8f};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
float[] empty = new float[]{};
|
||||
float[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_FLOAT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyObject() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_OBJECT_ARRAY, ArrayUtils.nullToEmpty((Object[]) null));
|
||||
// Test valid array handling
|
||||
Object[] original = new Object[] {true, false};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
Object[] empty = new Object[]{};
|
||||
Object[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_OBJECT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyString() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_STRING_ARRAY, ArrayUtils.nullToEmpty((String[]) null));
|
||||
// Test valid array handling
|
||||
String[] original = new String[] {"abc", "def"};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
String[] empty = new String[]{};
|
||||
String[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_STRING_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyBooleanObject() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_BOOLEAN_OBJECT_ARRAY, ArrayUtils.nullToEmpty((Boolean[]) null));
|
||||
// Test valid array handling
|
||||
Boolean[] original = new Boolean[] {Boolean.TRUE, Boolean.FALSE};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
Boolean[] empty = new Boolean[]{};
|
||||
Boolean[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_BOOLEAN_OBJECT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyLongObject() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_LONG_OBJECT_ARRAY, ArrayUtils.nullToEmpty((Long[]) null));
|
||||
// Test valid array handling
|
||||
Long[] original = new Long[] {1L, 2L};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
Long[] empty = new Long[]{};
|
||||
Long[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_LONG_OBJECT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyIntObject() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_INTEGER_OBJECT_ARRAY, ArrayUtils.nullToEmpty((Integer[]) null));
|
||||
// Test valid array handling
|
||||
Integer[] original = new Integer[] {1, 2};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
Integer[] empty = new Integer[]{};
|
||||
Integer[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_INTEGER_OBJECT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyShortObject() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_SHORT_OBJECT_ARRAY, ArrayUtils.nullToEmpty((Short[]) null));
|
||||
// Test valid array handling
|
||||
Short[] original = new Short[] {1, 2};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
Short[] empty = new Short[]{};
|
||||
Short[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_SHORT_OBJECT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyCharObject() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_CHARACTER_OBJECT_ARRAY, ArrayUtils.nullToEmpty((Character[]) null));
|
||||
// Test valid array handling
|
||||
Character[] original = new Character[] {'a', 'b'};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
Character[] empty = new Character[]{};
|
||||
Character[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_CHARACTER_OBJECT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyByteObject() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_BYTE_OBJECT_ARRAY, ArrayUtils.nullToEmpty((Byte[]) null));
|
||||
// Test valid array handling
|
||||
Byte[] original = new Byte[] {0x0F, 0x0E};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
Byte[] empty = new Byte[]{};
|
||||
Byte[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_BYTE_OBJECT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyDoubleObject() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_DOUBLE_OBJECT_ARRAY, ArrayUtils.nullToEmpty((Double[]) null));
|
||||
// Test valid array handling
|
||||
Double[] original = new Double[] {1D, 2D};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
Double[] empty = new Double[]{};
|
||||
Double[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_DOUBLE_OBJECT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
public void testNullToEmptyFloatObject() {
|
||||
// Test null handling
|
||||
assertEquals(ArrayUtils.EMPTY_FLOAT_OBJECT_ARRAY, ArrayUtils.nullToEmpty((Float[]) null));
|
||||
// Test valid array handling
|
||||
Float[] original = new Float[] {2.6f, 3.8f};
|
||||
assertEquals(original, ArrayUtils.nullToEmpty(original));
|
||||
// Test empty array handling
|
||||
Float[] empty = new Float[]{};
|
||||
Float[] result = ArrayUtils.nullToEmpty(empty);
|
||||
assertEquals(ArrayUtils.EMPTY_FLOAT_OBJECT_ARRAY, result);
|
||||
assertTrue(empty != result);
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------
|
||||
|
||||
public void testSubarrayObject() {
|
||||
Object[] nullArray = null;
|
||||
Object[] objectArray = { "a", "b", "c", "d", "e", "f"};
|
||||
|
|
|
|||
Loading…
Reference in New Issue