diff --git a/src/java/org/apache/commons/lang/ArrayUtils.java b/src/java/org/apache/commons/lang/ArrayUtils.java
index d46b3ac1e..9584a3cc3 100644
--- a/src/java/org/apache/commons/lang/ArrayUtils.java
+++ b/src/java/org/apache/commons/lang/ArrayUtils.java
@@ -56,6 +56,8 @@ package org.apache.commons.lang;
import java.util.HashMap;
import java.util.Map;
+import org.apache.commons.lang.builder.EqualsBuilder;
+import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
/**
@@ -65,7 +67,7 @@ import org.apache.commons.lang.builder.ToStringStyle;
* @author Stephen Colebourne
* @author Moritz Petersen
* @author Fredrik Westermarck
- * @version $Id: ArrayUtils.java,v 1.4 2002/11/16 10:41:03 scolebourne Exp $
+ * @version $Id: ArrayUtils.java,v 1.5 2002/11/16 12:56:43 scolebourne Exp $
*/
public class ArrayUtils {
@@ -100,6 +102,7 @@ public class ArrayUtils {
public ArrayUtils() {
}
+ // Basic methods handling multi-dimensional arrays
//--------------------------------------------------------------------------
/**
@@ -110,7 +113,7 @@ public class ArrayUtils {
*
* The format is that of Java source code, for example {a,b}.
*
- * @param array the array to get a toString for, may not be null
+ * @param array the array to get a toString for, may be null
* @return a String representation of the array, '{}' if null passed in
*/
public static String toString(Object array) {
@@ -136,6 +139,34 @@ public class ArrayUtils {
return new ToStringBuilder(array, ToStringStyle.SIMPLE_STYLE).append(array).toString();
}
+ /**
+ * Get a hashCode for an array handling multi-dimensional arrays correctly.
+ *
+ * Multi-dimensional primitive arrays are also handled correctly by this method.
+ *
+ * @param array the array to get a hashCode for, may be null
+ * @return a hashCode for the array
+ */
+ public static int hashCode(Object array) {
+ return new HashCodeBuilder().append(array).toHashCode();
+ }
+
+ /**
+ * Compares two arrays, using equals(), handling multi-dimensional arrays
+ * correctly.
+ *
+ * Multi-dimensional primitive arrays are also handled correctly by this method.
+ *
+ * @param array1 the array to get a hashCode for, may be null
+ * @param array2 the array to get a hashCode for, may be null
+ * @return true if the arrays are equal
+ */
+ public static boolean isEquals(Object array1, Object array2) {
+ return new EqualsBuilder().append(array1, array2).isEquals();
+ }
+
+ //--------------------------------------------------------------------------
+
/**
* Converts the given array into a {@link Map}. Each element of the array
* must be either a {@link Map.Entry} or an Array, containing at least two
@@ -298,9 +329,10 @@ public class ArrayUtils {
*
Shallow clones an array returning a typecast result and handling
* null.
*
- * The objecs in the array are not cloned.
+ * The objecs in the array are not cloned, thus there is no special
+ * handling for multi-dimensional arrays.
*
- * @param array the array to shallow clone, may not be null
+ * @param array the array to shallow clone, may be null
* @return the cloned array, or null if null
* passed in
*/
@@ -314,8 +346,10 @@ public class ArrayUtils {
/**
* Clones an array returning a typecast result and handling
* null.
+ *
+ * Any multi-dimensional aspects of the arrays are ignored.
*
- * @param array the array to clone, may not be null
+ * @param array the array to clone, may be null
* @return the cloned array, or null if null
* passed in
*/
@@ -329,8 +363,10 @@ public class ArrayUtils {
/**
* Clones an array returning a typecast result and handling
* null.
+ *
+ * Any multi-dimensional aspects of the arrays are ignored.
*
- * @param array the array to clone, may not be null
+ * @param array the array to clone, may be null
* @return the cloned array, or null if null
* passed in
*/
@@ -344,8 +380,10 @@ public class ArrayUtils {
/**
* Clones an array returning a typecast result and handling
* null.
+ *
+ * Any multi-dimensional aspects of the arrays are ignored.
*
- * @param array the array to clone, may not be null
+ * @param array the array to clone, may be null
* @return the cloned array, or null if null
* passed in
*/
@@ -359,8 +397,27 @@ public class ArrayUtils {
/**
* Clones an array returning a typecast result and handling
* null.
+ *
+ * Any multi-dimensional aspects of the arrays are ignored.
*
- * @param array the array to clone, may not be null
+ * @param array the array to clone, may be null
+ * @return the cloned array, or null if null
+ * passed in
+ */
+ public static char[] clone(char[] array) {
+ if (array == null) {
+ return null;
+ }
+ return (char[]) array.clone();
+ }
+
+ /**
+ * Clones an array returning a typecast result and handling
+ * null.
+ *
+ * Any multi-dimensional aspects of the arrays are ignored.
+ *
+ * @param array the array to clone, may be null
* @return the cloned array, or null if null
* passed in
*/
@@ -374,8 +431,10 @@ public class ArrayUtils {
/**
* Clones an array returning a typecast result and handling
* null.
+ *
+ * Any multi-dimensional aspects of the arrays are ignored.
*
- * @param array the array to clone, may not be null
+ * @param array the array to clone, may be null
* @return the cloned array, or null if null
* passed in
*/
@@ -389,8 +448,10 @@ public class ArrayUtils {
/**
* Clones an array returning a typecast result and handling
* null.
+ *
+ * Any multi-dimensional aspects of the arrays are ignored.
*
- * @param array the array to clone, may not be null
+ * @param array the array to clone, may be null
* @return the cloned array, or null if null
* passed in
*/
@@ -404,8 +465,10 @@ public class ArrayUtils {
/**
* Clones an array returning a typecast result and handling
* null.
+ *
+ * Any multi-dimensional aspects of the arrays are ignored.
*
- * @param array the array to clone, may not be null
+ * @param array the array to clone, may be null
* @return the cloned array, or null if null
* passed in
*/
@@ -498,6 +561,26 @@ public class ArrayUtils {
return true;
}
+ /**
+ * Checks whether two arrays are the same length, treating
+ * null arrays as length 0.
+ *
+ * Any multi-dimensional aspects of the arrays are ignored.
+ *
+ * @param array1 the first array, may be null
+ * @param array2 the second array, may be null
+ * @return true if length of arrays matches, treating
+ * null as an empty array
+ */
+ public static boolean isSameLength(char[] array1, char[] array2) {
+ if ((array1 == null && array2 != null && array2.length > 0) ||
+ (array2 == null && array1 != null && array1.length > 0) ||
+ (array1 != null && array2 != null && array1.length != array2.length)) {
+ return false;
+ }
+ return true;
+ }
+
/**
* Checks whether two arrays are the same length, treating
* null arrays as length 0.
@@ -582,6 +665,8 @@ public class ArrayUtils {
* Checks whether two arrays are the same type taking into account
* multi-dimensional arrays.
*
+ * Primitive arrays may be compared using this method too.
+ *
* @param array1 the first array, must not be null
* @param array2 the second array, must not be null
* @return true if type of arrays matches
diff --git a/src/test/org/apache/commons/lang/ArrayUtilsTest.java b/src/test/org/apache/commons/lang/ArrayUtilsTest.java
index a569bac21..dd5ff1500 100644
--- a/src/test/org/apache/commons/lang/ArrayUtilsTest.java
+++ b/src/test/org/apache/commons/lang/ArrayUtilsTest.java
@@ -54,6 +54,7 @@ package org.apache.commons.lang;
* .
*/
+import java.util.Arrays;
import java.util.Map;
import junit.framework.Test;
@@ -65,7 +66,7 @@ import junit.textui.TestRunner;
*
* @author Stephen Colebourne
* @author Moritz Petersen
- * @version $Id: ArrayUtilsTest.java,v 1.1 2002/10/13 22:42:59 scolebourne Exp $
+ * @version $Id: ArrayUtilsTest.java,v 1.2 2002/11/16 12:56:44 scolebourne Exp $
*/
public class ArrayUtilsTest extends TestCase {
@@ -92,7 +93,47 @@ public class ArrayUtilsTest extends TestCase {
}
//-----------------------------------------------------------------------
+ public void testToString() {
+ assertEquals("{}", ArrayUtils.toString(null));
+ assertEquals("{}", ArrayUtils.toString(new Object[0]));
+ assertEquals("{}", ArrayUtils.toString(new String[0]));
+ assertEquals("{}", ArrayUtils.toString(new String[] {null}));
+ assertEquals("{pink,blue}", ArrayUtils.toString(new String[] {"pink","blue"}));
+
+ assertEquals("", ArrayUtils.toString(null, ""));
+ assertEquals("{}", ArrayUtils.toString(new Object[0], ""));
+ assertEquals("{}", ArrayUtils.toString(new String[0], ""));
+ assertEquals("{}", ArrayUtils.toString(new String[] {null}, ""));
+ assertEquals("{pink,blue}", ArrayUtils.toString(new String[] {"pink","blue"}, ""));
+ }
+ //-----------------------------------------------------------------------
+ public void testHashCode() {
+ long[][] array1 = new long[][] {{2,5}, {4,5}};
+ long[][] array2 = new long[][] {{2,5}, {4,6}};
+ assertEquals(true, ArrayUtils.hashCode(array1) == ArrayUtils.hashCode(array1));
+ assertEquals(false, ArrayUtils.hashCode(array1) == ArrayUtils.hashCode(array2));
+
+ Object[] array3 = new Object[] {new String(new char[] {'A', 'B'})};
+ Object[] array4 = new Object[] {"AB"};
+ assertEquals(true, ArrayUtils.hashCode(array3) == ArrayUtils.hashCode(array3));
+ assertEquals(true, ArrayUtils.hashCode(array3) == ArrayUtils.hashCode(array4));
+ }
+
+ //-----------------------------------------------------------------------
+ public void testIsEquals() {
+ long[][] array1 = new long[][] {{2,5}, {4,5}};
+ long[][] array2 = new long[][] {{2,5}, {4,6}};
+ assertEquals(true, ArrayUtils.isEquals(array1, array1));
+ assertEquals(false, ArrayUtils.isEquals(array1, array2));
+
+ Object[] array3 = new Object[] {new String(new char[] {'A', 'B'})};
+ Object[] array4 = new Object[] {"AB"};
+ assertEquals(true, ArrayUtils.isEquals(array3, array3));
+ assertEquals(true, ArrayUtils.isEquals(array3, array4));
+ }
+
+ //-----------------------------------------------------------------------
public void testToMap() {
Map map = ArrayUtils.toMap(new String[][] {{"foo", "bar"}, {"hello", "world"}});
@@ -102,30 +143,19 @@ public class ArrayUtilsTest extends TestCase {
try {
ArrayUtils.toMap(null);
fail("exception expected");
- } catch (IllegalArgumentException e) {
- // expected.
- }
-
+ } catch (IllegalArgumentException ex) {}
try {
ArrayUtils.toMap(new String[][] {{"foo", "bar"}, {"short"}});
fail("exception expected");
- } catch (IllegalArgumentException e) {
- // expected.
- }
-
+ } catch (IllegalArgumentException ex) {}
try {
ArrayUtils.toMap(new Object[] {new Object[] {"foo", "bar"}, "illegal type"});
fail("exception expected");
- } catch (IllegalArgumentException e) {
- // expected.
- }
-
+ } catch (IllegalArgumentException ex) {}
try {
ArrayUtils.toMap(new Object[] {new Object[] {"foo", "bar"}, null});
fail("exception expected");
- } catch (IllegalArgumentException e) {
- // expected.
- }
+ } catch (IllegalArgumentException ex) {}
map = ArrayUtils.toMap(new Object[] {new Map.Entry() {
public Object getKey() {
@@ -147,6 +177,344 @@ public class ArrayUtilsTest extends TestCase {
assertEquals("bar", map.get("foo"));
}
+ //-----------------------------------------------------------------------
+ public void testClone() {
+ assertEquals(null, ArrayUtils.clone((Object[]) null));
+ Object[] original1 = new Object[0];
+ Object[] cloned1 = ArrayUtils.clone(original1);
+ assertTrue(Arrays.equals(original1, cloned1));
+ assertTrue(original1 != cloned1);
+
+ StringBuffer buf = new StringBuffer("pick");
+ original1 = new Object[] {buf, "a", new String[] {"stick"}};
+ cloned1 = ArrayUtils.clone(original1);
+ assertTrue(Arrays.equals(original1, cloned1));
+ assertTrue(original1 != cloned1);
+ assertSame(original1[0], cloned1[0]);
+ assertSame(original1[1], cloned1[1]);
+ assertSame(original1[2], cloned1[2]);
+ }
+ public void testCloneBoolean() {
+ boolean[] original = new boolean[] {true, false};
+ boolean[] cloned = ArrayUtils.clone(original);
+ assertTrue(Arrays.equals(original, cloned));
+ assertTrue(original != cloned);
+ }
+
+ public void testCloneLong() {
+ long[] original = new long[] {0L, 1L};
+ long[] cloned = ArrayUtils.clone(original);
+ assertTrue(Arrays.equals(original, cloned));
+ assertTrue(original != cloned);
+ }
+
+ public void testCloneInt() {
+ int[] original = new int[] {5, 8};
+ int[] cloned = ArrayUtils.clone(original);
+ assertTrue(Arrays.equals(original, cloned));
+ assertTrue(original != cloned);
+ }
+
+ public void testCloneShort() {
+ short[] original = new short[] {1, 4};
+ short[] cloned = ArrayUtils.clone(original);
+ assertTrue(Arrays.equals(original, cloned));
+ assertTrue(original != cloned);
+ }
+
+ public void testCloneChar() {
+ char[] original = new char[] {'a', '4'};
+ char[] cloned = ArrayUtils.clone(original);
+ assertTrue(Arrays.equals(original, cloned));
+ assertTrue(original != cloned);
+ }
+
+ public void testCloneByte() {
+ byte[] original = new byte[] {1, 6};
+ byte[] cloned = ArrayUtils.clone(original);
+ assertTrue(Arrays.equals(original, cloned));
+ assertTrue(original != cloned);
+ }
+
+ public void testCloneDouble() {
+ double[] original = new double[] {2.4d, 5.7d};
+ double[] cloned = ArrayUtils.clone(original);
+ assertTrue(Arrays.equals(original, cloned));
+ assertTrue(original != cloned);
+ }
+
+ public void testCloneFloat() {
+ float[] original = new float[] {2.6f, 6.4f};
+ float[] cloned = ArrayUtils.clone(original);
+ assertTrue(Arrays.equals(original, cloned));
+ assertTrue(original != cloned);
+ }
+ //-----------------------------------------------------------------------
+ public void testSameLength() {
+ Object[] nullArray = null;
+ Object[] emptyArray = new Object[0];
+ Object[] oneArray = new Object[] {"pick"};
+ Object[] twoArray = new Object[] {"pick", "stick"};
+
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, twoArray));
+
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, emptyArray));
+ assertEquals(true, ArrayUtils.isSameLength(oneArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, oneArray));
+ assertEquals(true, ArrayUtils.isSameLength(twoArray, twoArray));
+ }
+
+ public void testSameLengthBoolean() {
+ boolean[] nullArray = null;
+ boolean[] emptyArray = new boolean[0];
+ boolean[] oneArray = new boolean[] {true};
+ boolean[] twoArray = new boolean[] {true, false};
+
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, twoArray));
+
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, emptyArray));
+ assertEquals(true, ArrayUtils.isSameLength(oneArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, oneArray));
+ assertEquals(true, ArrayUtils.isSameLength(twoArray, twoArray));
+ }
+
+ public void testSameLengthLong() {
+ long[] nullArray = null;
+ long[] emptyArray = new long[0];
+ long[] oneArray = new long[] {0L};
+ long[] twoArray = new long[] {0L, 76L};
+
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, twoArray));
+
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, emptyArray));
+ assertEquals(true, ArrayUtils.isSameLength(oneArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, oneArray));
+ assertEquals(true, ArrayUtils.isSameLength(twoArray, twoArray));
+ }
+
+ public void testSameLengthInt() {
+ int[] nullArray = null;
+ int[] emptyArray = new int[0];
+ int[] oneArray = new int[] {4};
+ int[] twoArray = new int[] {5, 7};
+
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, twoArray));
+
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, emptyArray));
+ assertEquals(true, ArrayUtils.isSameLength(oneArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, oneArray));
+ assertEquals(true, ArrayUtils.isSameLength(twoArray, twoArray));
+ }
+
+ public void testSameLengthShort() {
+ short[] nullArray = null;
+ short[] emptyArray = new short[0];
+ short[] oneArray = new short[] {4};
+ short[] twoArray = new short[] {6, 8};
+
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, twoArray));
+
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, emptyArray));
+ assertEquals(true, ArrayUtils.isSameLength(oneArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, oneArray));
+ assertEquals(true, ArrayUtils.isSameLength(twoArray, twoArray));
+ }
+
+ public void testSameLengthChar() {
+ char[] nullArray = null;
+ char[] emptyArray = new char[0];
+ char[] oneArray = new char[] {'f'};
+ char[] twoArray = new char[] {'d', 't'};
+
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, twoArray));
+
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, emptyArray));
+ assertEquals(true, ArrayUtils.isSameLength(oneArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, oneArray));
+ assertEquals(true, ArrayUtils.isSameLength(twoArray, twoArray));
+ }
+
+ public void testSameLengthByte() {
+ byte[] nullArray = null;
+ byte[] emptyArray = new byte[0];
+ byte[] oneArray = new byte[] {3};
+ byte[] twoArray = new byte[] {4, 6};
+
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, twoArray));
+
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, emptyArray));
+ assertEquals(true, ArrayUtils.isSameLength(oneArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, oneArray));
+ assertEquals(true, ArrayUtils.isSameLength(twoArray, twoArray));
+ }
+
+ public void testSameLengthDouble() {
+ double[] nullArray = null;
+ double[] emptyArray = new double[0];
+ double[] oneArray = new double[] {1.3d};
+ double[] twoArray = new double[] {4.5d, 6.3d};
+
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, twoArray));
+
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, emptyArray));
+ assertEquals(true, ArrayUtils.isSameLength(oneArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, oneArray));
+ assertEquals(true, ArrayUtils.isSameLength(twoArray, twoArray));
+ }
+
+ public void testSameLengthFloat() {
+ float[] nullArray = null;
+ float[] emptyArray = new float[0];
+ float[] oneArray = new float[] {2.5f};
+ float[] twoArray = new float[] {6.4f, 5.8f};
+
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(nullArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(nullArray, twoArray));
+
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, nullArray));
+ assertEquals(true, ArrayUtils.isSameLength(emptyArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(emptyArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, emptyArray));
+ assertEquals(true, ArrayUtils.isSameLength(oneArray, oneArray));
+ assertEquals(false, ArrayUtils.isSameLength(oneArray, twoArray));
+
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, nullArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, emptyArray));
+ assertEquals(false, ArrayUtils.isSameLength(twoArray, oneArray));
+ assertEquals(true, ArrayUtils.isSameLength(twoArray, twoArray));
+ }
+
+ //-----------------------------------------------------------------------
+ public void testSameType() {
+ try {
+ ArrayUtils.isSameType(null, null);
+ fail();
+ } catch (IllegalArgumentException ex) {}
+ try {
+ ArrayUtils.isSameType(null, new Object[0]);
+ fail();
+ } catch (IllegalArgumentException ex) {}
+ try {
+ ArrayUtils.isSameType(new Object[0], null);
+ fail();
+ } catch (IllegalArgumentException ex) {}
+
+ assertEquals(true, ArrayUtils.isSameType(new Object[0], new Object[0]));
+ assertEquals(false, ArrayUtils.isSameType(new String[0], new Object[0]));
+ assertEquals(true, ArrayUtils.isSameType(new String[0][0], new String[0][0]));
+ assertEquals(false, ArrayUtils.isSameType(new String[0], new String[0][0]));
+ assertEquals(false, ArrayUtils.isSameType(new String[0][0], new String[0]));
+ }
+
}